1. gl_texture_image struct's Data pointer points to images in driver's format.
2. Added FetchTexel() function pointer to struct gl_texture_image.
3. Changed Driver Tex[Sub]Image functions, return void now.
4. Texture storage/fetch code in new texstore.c file.
5. Removed texture.[ch] - functions moved to state.c
Note: FX driver updates not finished yet.
-# $Id: Makefile.X11,v 1.42 2001/02/03 08:41:03 gareth Exp $
+# $Id: Makefile.X11,v 1.43 2001/02/06 21:42:48 brianp Exp $
# Mesa 3-D graphics library
# Version: 3.5
teximage.c \
texobj.c \
texstate.c \
- texture.c \
+ texstore.c \
texutil.c \
varray.c \
vtxfmt.c \
ctx->Driver.TexImage2D = fxDDTexImage2D;
ctx->Driver.TexSubImage2D = fxDDTexSubImage2D;
- ctx->Driver.GetTexImage = fxDDGetTexImage;
- ctx->Driver.TexEnv=fxDDTexEnv;
- ctx->Driver.TexParameter=fxDDTexParam;
- ctx->Driver.BindTexture=fxDDTexBind;
- ctx->Driver.DeleteTexture=fxDDTexDel;
- ctx->Driver.UpdateTexturePalette=fxDDTexPalette;
+ ctx->Driver.TexEnv = fxDDTexEnv;
+ ctx->Driver.TexParameter = fxDDTexParam;
+ ctx->Driver.BindTexture = fxDDTexBind;
+ ctx->Driver.DeleteTexture = fxDDTexDel;
+ ctx->Driver.UpdateTexturePalette = fxDDTexPalette;
ctx->Driver.AlphaFunc=fxDDAlphaFunc;
ctx->Driver.BlendFunc=fxDDBlendFunc;
}
-GLboolean fxDDTexImage2D(GLcontext *ctx, GLenum target, GLint level,
- GLenum format, GLenum type, const GLvoid *pixels,
- const struct gl_pixelstore_attrib *packing,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage,
- GLboolean *retainInternalCopy)
+void
+fxDDTexImage2D(GLcontext *ctx, GLenum target, GLint level,
+ GLint internalFormat, GLint width, GLint height, GLint border,
+ GLenum format, GLenum type, const GLvoid *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
{
fxMesaContext fxMesa = (fxMesaContext)ctx->DriverCtx;
- if (target != GL_TEXTURE_2D)
- return GL_FALSE;
-
if (!texObj->DriverData)
texObj->DriverData = fxAllocTexObjData(fxMesa);
- if (fxIsTexSupported(target, texImage->IntFormat, texImage)) {
+ if (fxIsTexSupported(target, internalFormat, texImage)) {
GrTextureFormat_t gldformat;
tfxTexInfo *ti = fxTMGetTexInfo(texObj);
tfxMipMapLevel *mml = &ti->mipmapLevel[level];
GLint dstWidth, dstHeight, wScale, hScale, texelSize, dstStride;
MesaIntTexFormat intFormat;
- fxTexGetFormat(texImage->IntFormat, &gldformat, NULL);
+ fxTexGetFormat(internalFormat, &gldformat, NULL);
- fxTexGetInfo(texImage->Width, texImage->Height, NULL,NULL,NULL,NULL,
+ fxTexGetInfo(width, height, NULL,NULL,NULL,NULL,
NULL,NULL, &wScale, &hScale);
dstWidth = texImage->Width * wScale;
break;
default:
gl_problem(NULL, "tdfx driver: texbuildimagemap() bad format");
- return GL_FALSE;
+ return;
}
_mesa_set_teximage_component_sizes(intFormat, texImage);
FREE(mml->data);
mml->data = MALLOC(dstWidth * dstHeight * texelSize);
if (!mml->data)
- return GL_FALSE;
+ return;
mml->glideFormat = gldformat;
mml->width = dstWidth;
mml->height = dstHeight;
/* store the texture image */
if (!_mesa_convert_teximage(intFormat, dstWidth, dstHeight, mml->data,
dstStride,
- texImage->Width, texImage->Height,
+ width, height,
format, type, pixels, packing)) {
- return GL_FALSE;
+ return;
}
/*printf("invalidate2\n");*/
fxTexInvalidate(ctx,texObj);
}
-
- *retainInternalCopy = GL_FALSE;
- return GL_TRUE;
}
else {
gl_problem(NULL, "fx Driver: unsupported texture in fxDDTexImg()\n");
- return GL_FALSE;
}
}
-GLboolean fxDDTexSubImage2D(GLcontext *ctx, GLenum target, GLint level,
- GLint xoffset, GLint yoffset,
- GLsizei width, GLsizei height,
- GLenum format, GLenum type, const GLvoid *pixels,
- const struct gl_pixelstore_attrib *packing,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage)
+void
+fxDDTexSubImage2D(GLcontext *ctx, GLenum target, GLint level,
+ GLint xoffset, GLint yoffset,
+ GLsizei width, GLsizei height,
+ GLenum format, GLenum type, const GLvoid *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
{
fxMesaContext fxMesa = (fxMesaContext) ctx->DriverCtx;
tfxTexInfo *ti;
tfxMipMapLevel *mml;
GLboolean result;
- if (target != GL_TEXTURE_2D)
- return GL_FALSE;
-
- if (!texObj->DriverData)
- return GL_FALSE;
+ if (!texObj->DriverData) {
+ gl_problem(ctx, "problem in fxDDTexSubImage2D");
+ return;
+ }
ti = fxTMGetTexInfo(texObj);
mml = &ti->mipmapLevel[level];
}
if (!result) {
- return GL_FALSE;
+ return;
}
if (ti->validated && ti->isInTM)
else
fxTexInvalidate(ctx, texObj);
- return GL_TRUE;
}
-
+#if 000
GLvoid *fxDDGetTexImage(GLcontext *ctx, GLenum target, GLint level,
const struct gl_texture_object *texObj,
GLenum *formatOut, GLenum *typeOut,
return NULL;
}
}
+#endif
+
#else
#include "macros.h"
#include "matrix.h"
#include "mem.h"
-#include "texture.h"
#include "mtypes.h"
#include "GL/fxmesa.h"
extern void fxSetupDDSpanPointers(GLcontext *);
extern void fxPrintTextureData(tfxTexInfo *ti);
-extern GLboolean fxDDTexImage2D(GLcontext *ctx, GLenum target, GLint level,
- GLenum format, GLenum type, const GLvoid *pixels,
- const struct gl_pixelstore_attrib *packing,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage,
- GLboolean *retainInternalCopy);
-extern GLboolean fxDDTexSubImage2D(GLcontext *ctx, GLenum target, GLint level,
+extern void fxDDTexImage2D(GLcontext *ctx, GLenum target, GLint level,
+ GLint internalFormat, GLint width, GLint height, GLint border,
+ GLenum format, GLenum type, const GLvoid *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage);
+
+extern void fxDDTexSubImage2D(GLcontext *ctx, GLenum target, GLint level,
GLint xoffset, GLint yoffset,
GLsizei width, GLsizei height,
GLenum format, GLenum type, const GLvoid *pixels,
const struct gl_pixelstore_attrib *packing,
struct gl_texture_object *texObj,
struct gl_texture_image *texImage);
-extern GLvoid *fxDDGetTexImage(GLcontext *ctx, GLenum target, GLint level,
- const struct gl_texture_object *texObj,
- GLenum *formatOut, GLenum *typeOut,
- GLboolean *freeImageOut );
extern void fxDDTexEnv(GLcontext *, GLenum, GLenum, const GLfloat *);
extern void fxDDTexParam(GLcontext *, GLenum, struct gl_texture_object *,
GLenum, const GLfloat *);
-/* $Id: osmesa.c,v 1.43 2001/01/29 20:56:32 keithw Exp $ */
+/* $Id: osmesa.c,v 1.44 2001/02/06 21:42:49 brianp Exp $ */
/*
* Mesa 3-D graphics library
*/
-#ifdef PC_HEADER
-#include "all.h"
-#else
#include "glheader.h"
#include "GL/osmesa.h"
#include "context.h"
#include "colormac.h"
#include "depth.h"
+#include "extensions.h"
#include "macros.h"
-#include "mem.h"
#include "matrix.h"
+#include "mem.h"
#include "mmath.h"
#include "mtypes.h"
-#include "extensions.h"
+#include "texstore.h"
+#include "array_cache/acache.h"
#include "swrast/swrast.h"
#include "swrast_setup/swrast_setup.h"
#include "swrast/s_context.h"
#include "swrast/s_lines.h"
#include "swrast/s_triangle.h"
#include "tnl/tnl.h"
-#include "array_cache/acache.h"
-#endif
-
ctx->Driver.GetBufferSize = buffer_size;
+ ctx->Driver.TexImage1D = _mesa_store_teximage1d;
+ ctx->Driver.TexImage2D = _mesa_store_teximage2d;
+ ctx->Driver.TexImage3D = _mesa_store_teximage3d;
+ ctx->Driver.TexSubImage1D = _mesa_store_texsubimage1d;
+ ctx->Driver.TexSubImage2D = _mesa_store_texsubimage2d;
+ ctx->Driver.TexSubImage3D = _mesa_store_texsubimage3d;
+ ctx->Driver.TestProxyTexImage = _mesa_test_proxy_teximage;
+
ctx->Driver.PointsFunc = _swsetup_Points;
ctx->Driver.LineFunc = _swsetup_Line;
ctx->Driver.TriangleFunc = _swsetup_Triangle;
-/* $Id: xm_dd.c,v 1.13 2001/01/29 20:56:32 keithw Exp $ */
+/* $Id: xm_dd.c,v 1.14 2001/02/06 21:42:49 brianp Exp $ */
/*
* Mesa 3-D graphics library
* Version: 3.5
*
- * Copyright (C) 1999-2000 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2001 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
#include "glxheader.h"
#include "context.h"
-#include "drawpix.h"
-#include "mem.h"
-#include "state.h"
#include "depth.h"
+#include "drawpix.h"
+#include "extensions.h"
#include "macros.h"
+#include "mem.h"
#include "mtypes.h"
+#include "state.h"
+#include "texstore.h"
#include "xmesaP.h"
-#include "extensions.h"
+#include "array_cache/acache.h"
#include "swrast/swrast.h"
#include "swrast_setup/swrast_setup.h"
#include "tnl/tnl.h"
-#include "array_cache/acache.h"
+
/*
* Return the size (width,height of the current color buffer.
ctx->Driver.DrawPixels = _swrast_DrawPixels;
ctx->Driver.ReadPixels = _swrast_ReadPixels;
-
+ /* Software texture functions:
+ */
+ ctx->Driver.TexImage1D = _mesa_store_teximage1d;
+ ctx->Driver.TexImage2D = _mesa_store_teximage2d;
+ ctx->Driver.TexImage3D = _mesa_store_teximage3d;
+ ctx->Driver.TexSubImage1D = _mesa_store_texsubimage1d;
+ ctx->Driver.TexSubImage2D = _mesa_store_texsubimage2d;
+ ctx->Driver.TexSubImage3D = _mesa_store_texsubimage3d;
+ ctx->Driver.TestProxyTexImage = _mesa_test_proxy_teximage;
+
/*
*/
ctx->Driver.SetDrawBuffer = set_draw_buffer;
-# $Id: Makefile.X11,v 1.42 2001/02/03 08:41:03 gareth Exp $
+# $Id: Makefile.X11,v 1.43 2001/02/06 21:42:48 brianp Exp $
# Mesa 3-D graphics library
# Version: 3.5
teximage.c \
texobj.c \
texstate.c \
- texture.c \
+ texstore.c \
texutil.c \
varray.c \
vtxfmt.c \
-/* $Id: context.c,v 1.119 2001/01/24 04:56:19 brianp Exp $ */
+/* $Id: context.c,v 1.120 2001/02/06 21:42:48 brianp Exp $ */
/*
* Mesa 3-D graphics library
#include "state.h"
#include "teximage.h"
#include "texobj.h"
-#include "texture.h"
#include "mtypes.h"
#include "varray.h"
-/* $Id: dd.h,v 1.50 2001/02/06 04:06:34 keithw Exp $ */
+/* $Id: dd.h,v 1.51 2001/02/06 21:42:48 brianp Exp $ */
/*
* Mesa 3-D graphics library
/***
*** Texture image functions:
***/
- GLboolean (*TexImage1D)( GLcontext *ctx, GLenum target, GLint level,
- GLenum format, GLenum type, const GLvoid *pixels,
- const struct gl_pixelstore_attrib *packing,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage,
- GLboolean *retainInternalCopy );
- GLboolean (*TexImage2D)( GLcontext *ctx, GLenum target, GLint level,
- GLenum format, GLenum type, const GLvoid *pixels,
- const struct gl_pixelstore_attrib *packing,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage,
- GLboolean *retainInternalCopy );
- GLboolean (*TexImage3D)( GLcontext *ctx, GLenum target, GLint level,
- GLenum format, GLenum type, const GLvoid *pixels,
- const struct gl_pixelstore_attrib *packing,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage,
- GLboolean *retainInternalCopy );
+ void (*TexImage1D)( GLcontext *ctx, GLenum target, GLint level,
+ GLint internalFormat,
+ GLint width, GLint border,
+ GLenum format, GLenum type, const GLvoid *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage );
+ void (*TexImage2D)( GLcontext *ctx, GLenum target, GLint level,
+ GLint internalFormat,
+ GLint width, GLint height, GLint border,
+ GLenum format, GLenum type, const GLvoid *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage );
+ void (*TexImage3D)( GLcontext *ctx, GLenum target, GLint level,
+ GLint internalFormat,
+ GLint width, GLint height, GLint depth, GLint border,
+ GLenum format, GLenum type, const GLvoid *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage );
/* Called by glTexImage1/2/3D.
* Will not be called if any glPixelTransfer operations are enabled.
* Arguments:
* GLubytes. It may be easier for the driver to handle then.
*/
- GLboolean (*TexSubImage1D)( GLcontext *ctx, GLenum target, GLint level,
- GLint xoffset, GLsizei width,
- GLenum format, GLenum type,
- const GLvoid *pixels,
- const struct gl_pixelstore_attrib *packing,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage );
- GLboolean (*TexSubImage2D)( GLcontext *ctx, GLenum target, GLint level,
- GLint xoffset, GLint yoffset,
- GLsizei width, GLsizei height,
- GLenum format, GLenum type,
- const GLvoid *pixels,
- const struct gl_pixelstore_attrib *packing,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage );
- GLboolean (*TexSubImage3D)( GLcontext *ctx, GLenum target, GLint level,
- GLint xoffset, GLint yoffset, GLint zoffset,
- GLsizei width, GLsizei height, GLint depth,
- GLenum format, GLenum type,
- const GLvoid *pixels,
- const struct gl_pixelstore_attrib *packing,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage );
+ void (*TexSubImage1D)( GLcontext *ctx, GLenum target, GLint level,
+ GLint xoffset, GLsizei width,
+ GLenum format, GLenum type,
+ const GLvoid *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage );
+ void (*TexSubImage2D)( GLcontext *ctx, GLenum target, GLint level,
+ GLint xoffset, GLint yoffset,
+ GLsizei width, GLsizei height,
+ GLenum format, GLenum type,
+ const GLvoid *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage );
+ void (*TexSubImage3D)( GLcontext *ctx, GLenum target, GLint level,
+ GLint xoffset, GLint yoffset, GLint zoffset,
+ GLsizei width, GLsizei height, GLint depth,
+ GLenum format, GLenum type,
+ const GLvoid *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage );
/* Called by glTexSubImage1/2/3D.
* Will not be called if any glPixelTransfer operations are enabled.
* Arguments:
* should do the job.
*/
- GLvoid *(*GetTexImage)( GLcontext *ctx, GLenum target, GLint level,
- const struct gl_texture_object *texObj,
- GLenum *formatOut, GLenum *typeOut,
- GLboolean *freeImageOut );
- /* Called by glGetTexImage or by core Mesa when a texture image
- * is needed for software fallback rendering.
- * Return the address of the texture image or NULL if failure.
- * The image must be tightly packed (i.e. row stride = image width)
- * Return the image's format and type in formatOut and typeOut.
- * The format and type must be values which are accepted by glTexImage.
- * Set the freeImageOut flag if the returned image should be deallocated
- * with FREE() when finished.
- * The size of the image can be deduced from the target and level.
- * Core Mesa will perform any image format/type conversions that are needed.
- */
-
GLboolean (*TestProxyTexImage)(GLcontext *ctx, GLenum target,
GLint level, GLint internalFormat,
GLenum format, GLenum type,
*** Compressed texture functions:
***/
- GLboolean (*CompressedTexImage1D)( GLcontext *ctx, GLenum target,
- GLint level, GLsizei imageSize,
- const GLvoid *data,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage,
- GLboolean *retainInternalCopy);
- GLboolean (*CompressedTexImage2D)( GLcontext *ctx, GLenum target,
- GLint level, GLsizei imageSize,
- const GLvoid *data,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage,
- GLboolean *retainInternalCopy);
- GLboolean (*CompressedTexImage3D)( GLcontext *ctx, GLenum target,
- GLint level, GLsizei imageSize,
- const GLvoid *data,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage,
- GLboolean *retainInternalCopy);
+ void (*CompressedTexImage1D)( GLcontext *ctx, GLenum target,
+ GLint level, GLint internalFormat,
+ GLsizei width, GLint border,
+ GLsizei imageSize, const GLvoid *data,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage );
+ void (*CompressedTexImage2D)( GLcontext *ctx, GLenum target,
+ GLint level, GLint internalFormat,
+ GLsizei width, GLsizei height, GLint border,
+ GLsizei imageSize, const GLvoid *data,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage );
+ void (*CompressedTexImage3D)( GLcontext *ctx, GLenum target,
+ GLint level, GLint internalFormat,
+ GLsizei width, GLsizei height, GLsizei depth,
+ GLint border,
+ GLsizei imageSize, const GLvoid *data,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage );
/* Called by glCompressedTexImage1/2/3D.
* Arguments:
* <target>, <level>, <internalFormat>, <data> are user specified.
* should do the job.
*/
- GLboolean (*CompressedTexSubImage1D)( GLcontext *ctx, GLenum target,
- GLint level, GLint xoffset,
- GLsizei width, GLenum format,
- GLsizei imageSize, const GLvoid *data,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage );
- GLboolean (*CompressedTexSubImage2D)( GLcontext *ctx, GLenum target,
- GLint level, GLint xoffset,
- GLint yoffset, GLsizei width,
- GLint height, GLenum format,
- GLsizei imageSize, const GLvoid *data,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage );
- GLboolean (*CompressedTexSubImage3D)( GLcontext *ctx, GLenum target,
- GLint level, GLint xoffset,
- GLint yoffset, GLint zoffset,
- GLsizei width, GLint height,
- GLint depth, GLenum format,
- GLsizei imageSize, const GLvoid *data,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage );
+ void (*CompressedTexSubImage1D)(GLcontext *ctx, GLenum target, GLint level,
+ GLint xoffset, GLsizei width,
+ GLenum format,
+ GLsizei imageSize, const GLvoid *data,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage);
+ void (*CompressedTexSubImage2D)(GLcontext *ctx, GLenum target, GLint level,
+ GLint xoffset, GLint yoffset,
+ GLsizei width, GLint height,
+ GLenum format,
+ GLsizei imageSize, const GLvoid *data,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage);
+ void (*CompressedTexSubImage3D)(GLcontext *ctx, GLenum target, GLint level,
+ GLint xoffset, GLint yoffset, GLint zoffset,
+ GLsizei width, GLint height, GLint depth,
+ GLenum format,
+ GLsizei imageSize, const GLvoid *data,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage);
/* Called by glCompressedTexSubImage1/2/3D.
* Arguments:
* <target>, <level>, <x/z/zoffset>, <width>, <height>, <depth>,
* should do the job.
*/
+ GLboolean (*IsCompressedFormat)(GLcontext *ctx, GLint internalFormat);
+ /* Called to tell if a format is a compressed format.
+ */
+
+ void (*GetCompressedTexImage)( GLcontext *ctx, GLenum target,
+ GLint lod, void *image,
+ const struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage );
+ /* Called by glGetCompressedTexImageARB.
+ * <target>, <lod>, <image> are specified by user.
+ * <texObj> is the source texture object.
+ * <texImage> is the source texture image.
+ */
+
GLint (*BaseCompressedTexFormat)(GLcontext *ctx,
GLint internalFormat);
/* Called to compute the base format for a specific compressed
* format. Return -1 if the internalFormat is not a specific
- * compressed format that the driver recognizes. Note the
+ * compressed format that the driver recognizes.
+ * Example: if internalFormat==GL_COMPRESSED_RGB_FXT1_3DFX, return GL_RGB.
+ */
+
+#if 000
+ /* ... Note the
* return value differences between this function and
* SpecificCompressedTexFormat below.
*/
* do the right thing with it.
*/
- GLboolean (*IsCompressedFormat)(GLcontext *ctx, GLint internalFormat);
- /* Called to tell if a format is a compressed format.
- */
-
GLsizei (*CompressedImageSize)(GLcontext *ctx,
GLenum internalFormat,
GLuint numDimensions,
/* Calculate the size of a compressed image, given the image's
* format and dimensions.
*/
-
- void (*GetCompressedTexImage)( GLcontext *ctx, GLenum target,
- GLint lod, void *image,
- const struct gl_texture_object *texObj,
- struct gl_texture_image *texImage );
- /* Called by glGetCompressedTexImageARB.
- * <target>, <lod>, <image> are specified by user.
- * <texObj> is the source texture object.
- * <texImage> is the source texture image.
- */
+#endif
/***
*** Texture object functions:
-/* $Id: dlist.c,v 1.63 2001/01/24 04:56:20 brianp Exp $ */
+/* $Id: dlist.c,v 1.64 2001/02/06 21:42:48 brianp Exp $ */
/*
* Mesa 3-D graphics library
- * Version: 3.3
+ * Version: 3.5
*
* Copyright (C) 1999-2001 Brian Paul All Rights Reserved.
*
GET_CURRENT_CONTEXT(ctx);
if (target == GL_PROXY_TEXTURE_1D ||
target == GL_PROXY_TEXTURE_2D ||
- target == GL_PROXY_TEXTURE_3D) {
+ target == GL_PROXY_TEXTURE_3D ||
+ target == GL_PROXY_TEXTURE_CUBE_MAP_ARB) {
/* execute immediately */
(*ctx->Exec->ColorTable)( target, internalFormat, width,
format, type, table );
-/* $Id: mtypes.h,v 1.17 2001/01/29 20:47:39 keithw Exp $ */
+/* $Id: mtypes.h,v 1.18 2001/02/06 21:42:48 brianp Exp $ */
/*
* Mesa 3-D graphics library
* Some forward type declarations
*/
struct _mesa_HashTable;
+struct gl_texture_image;
struct gl_texture_object;
typedef struct __GLcontextRec GLcontext;
typedef struct __GLcontextModesRec GLvisual;
#define ENABLE_TEXGEN(i) (ENABLE_TEXGEN0 << (i))
#define ENABLE_TEXMAT(i) (ENABLE_TEXMAT0 << (i))
+
+typedef void (*FetchTexelFunc)( GLcontext *ctx,
+ const struct gl_texture_object *texObject,
+ const struct gl_texture_image *texImage,
+ GLint col, GLint row, GLint img,
+ GLchan texel[] );
+
+
/* Texture image record */
struct gl_texture_image {
GLenum Format; /* GL_ALPHA, GL_LUMINANCE, GL_LUMINANCE_ALPHA,
* GL_INTENSITY, GL_RGB, GL_RGBA, or
* GL_COLOR_INDEX only
*/
+ GLenum Type; /* Texel type: GL_UNSIGNED_BYTE, etc. */
GLenum IntFormat; /* Internal format as given by the user */
GLubyte RedBits; /* Bits per texel component */
GLubyte GreenBits; /* These are initialized by Mesa but */
GLuint HeightLog2; /* = log2(Height2) */
GLuint DepthLog2; /* = log2(Depth2) */
GLuint MaxLog2; /* = MAX(WidthLog2, HeightLog2) */
- GLchan *Data; /* Image data as GLchan's */
+ GLvoid *Data; /* Image data, accessed via FetchTexel() */
+
+ FetchTexelFunc FetchTexel; /* texel fetch function pointer */
GLboolean IsCompressed; /* GL_ARB_texture_compression */
GLuint CompressedSize; /* GL_ARB_texture_compression */
-/* $Id: state.c,v 1.55 2001/01/24 04:56:20 brianp Exp $ */
+/* $Id: state.c,v 1.56 2001/02/06 21:42:48 brianp Exp $ */
/*
* Mesa 3-D graphics library
#include "teximage.h"
#include "texobj.h"
#include "texstate.h"
-#include "texture.h"
#include "mtypes.h"
#include "varray.h"
#include "winpos.h"
}
+
+
+/* Note: This routine refers to derived texture attribute values to
+ * compute the ENABLE_TEXMAT flags, but is only called on
+ * _NEW_TEXTURE_MATRIX. On changes to _NEW_TEXTURE, the ENABLE_TEXMAT
+ * flags are updated by _mesa_update_textures(), below.
+ *
+ * If both TEXTURE and TEXTURE_MATRIX change at once, these values
+ * will be computed twice.
+ */
+static void
+update_texture_matrices( GLcontext *ctx )
+{
+ GLuint i;
+
+ ctx->_Enabled &= ~ENABLE_TEXMAT_ANY;
+
+ for (i=0; i < ctx->Const.MaxTextureUnits; i++) {
+ if (ctx->TextureMatrix[i].flags & MAT_DIRTY) {
+ _math_matrix_analyse( &ctx->TextureMatrix[i] );
+
+ if (ctx->Driver.TextureMatrix)
+ ctx->Driver.TextureMatrix( ctx, i, &ctx->TextureMatrix[i] );
+
+ if (ctx->Texture.Unit[i]._ReallyEnabled &&
+ ctx->TextureMatrix[i].type != MATRIX_IDENTITY)
+ ctx->_Enabled |= ENABLE_TEXMAT0 << i;
+ }
+ }
+}
+
+
+/* Note: This routine refers to derived texture matrix values to
+ * compute the ENABLE_TEXMAT flags, but is only called on
+ * _NEW_TEXTURE. On changes to _NEW_TEXTURE_MATRIX, the ENABLE_TEXMAT
+ * flags are updated by _mesa_update_texture_matrices, above.
+ *
+ * If both TEXTURE and TEXTURE_MATRIX change at once, these values
+ * will be computed twice.
+ */
+static void
+update_texture_state( GLcontext *ctx )
+{
+ GLuint i;
+
+ ctx->Texture._ReallyEnabled = 0;
+ ctx->Texture._GenFlags = 0;
+ ctx->_NeedNormals &= ~NEED_NORMALS_TEXGEN;
+ ctx->_NeedEyeCoords &= ~NEED_EYE_TEXGEN;
+ ctx->_Enabled &= ~(ENABLE_TEXGEN_ANY |
+ ENABLE_TEXMAT_ANY);
+
+ /* Update texture unit state.
+ */
+ for (i=0; i < ctx->Const.MaxTextureUnits; i++) {
+ struct gl_texture_unit *texUnit = &ctx->Texture.Unit[i];
+
+ texUnit->_ReallyEnabled = 0;
+ texUnit->_GenFlags = 0;
+
+ if (!texUnit->Enabled)
+ continue;
+
+ /* Find the texture of highest dimensionality that is enabled
+ * and complete. We'll use it for texturing.
+ */
+ if (texUnit->Enabled & TEXTURE0_CUBE) {
+ struct gl_texture_object *texObj = texUnit->CurrentCubeMap;
+ if (!texObj->Complete) {
+ _mesa_test_texobj_completeness(ctx, texObj);
+ }
+ if (texObj->Complete) {
+ texUnit->_ReallyEnabled = TEXTURE0_CUBE;
+ texUnit->_Current = texObj;
+ }
+ }
+
+ if (!texUnit->_ReallyEnabled && (texUnit->Enabled & TEXTURE0_3D)) {
+ struct gl_texture_object *texObj = texUnit->Current3D;
+ if (!texObj->Complete) {
+ _mesa_test_texobj_completeness(ctx, texObj);
+ }
+ if (texObj->Complete) {
+ texUnit->_ReallyEnabled = TEXTURE0_3D;
+ texUnit->_Current = texObj;
+ }
+ }
+
+ if (!texUnit->_ReallyEnabled && (texUnit->Enabled & TEXTURE0_2D)) {
+ struct gl_texture_object *texObj = texUnit->Current2D;
+ if (!texObj->Complete) {
+ _mesa_test_texobj_completeness(ctx, texObj);
+ }
+ if (texObj->Complete) {
+ texUnit->_ReallyEnabled = TEXTURE0_2D;
+ texUnit->_Current = texObj;
+ }
+ }
+
+ if (!texUnit->_ReallyEnabled && (texUnit->Enabled & TEXTURE0_1D)) {
+ struct gl_texture_object *texObj = texUnit->Current1D;
+ if (!texObj->Complete) {
+ _mesa_test_texobj_completeness(ctx, texObj);
+ }
+ if (texObj->Complete) {
+ texUnit->_ReallyEnabled = TEXTURE0_1D;
+ texUnit->_Current = texObj;
+ }
+ }
+
+ if (!texUnit->_ReallyEnabled) {
+ texUnit->_Current = NULL;
+ continue;
+ }
+
+ {
+ GLuint flag = texUnit->_ReallyEnabled << (i * 4);
+ ctx->Texture._ReallyEnabled |= flag;
+ }
+
+ if (texUnit->TexGenEnabled) {
+ if (texUnit->TexGenEnabled & S_BIT) {
+ texUnit->_GenFlags |= texUnit->_GenBitS;
+ }
+ if (texUnit->TexGenEnabled & T_BIT) {
+ texUnit->_GenFlags |= texUnit->_GenBitT;
+ }
+ if (texUnit->TexGenEnabled & Q_BIT) {
+ texUnit->_GenFlags |= texUnit->_GenBitQ;
+ }
+ if (texUnit->TexGenEnabled & R_BIT) {
+ texUnit->_GenFlags |= texUnit->_GenBitR;
+ }
+
+ ctx->_Enabled |= ENABLE_TEXGEN0 << i;
+ ctx->Texture._GenFlags |= texUnit->_GenFlags;
+ }
+
+ if (ctx->TextureMatrix[i].type != MATRIX_IDENTITY)
+ ctx->_Enabled |= ENABLE_TEXMAT0 << i;
+ }
+
+ if (ctx->Texture._GenFlags & TEXGEN_NEED_NORMALS) {
+ ctx->_NeedNormals |= NEED_NORMALS_TEXGEN;
+ ctx->_NeedEyeCoords |= NEED_EYE_TEXGEN;
+ }
+
+ if (ctx->Texture._GenFlags & TEXGEN_NEED_EYE_COORD) {
+ ctx->_NeedEyeCoords |= NEED_EYE_TEXGEN;
+ }
+}
+
+
/*
* If ctx->NewState is non-zero then this function MUST be called before
* rendering any primitive. Basically, function pointers and miscellaneous
update_projection( ctx );
if (new_state & _NEW_TEXTURE_MATRIX)
- _mesa_update_texture_matrices( ctx );
+ update_texture_matrices( ctx );
if (new_state & _NEW_COLOR_MATRIX)
_math_matrix_analyse( &ctx->ColorMatrix );
/* Contributes to NeedEyeCoords, NeedNormals.
*/
if (new_state & _NEW_TEXTURE)
- _mesa_update_texture_state( ctx );
+ update_texture_state( ctx );
if (new_state & (_NEW_BUFFERS|_NEW_SCISSOR))
update_drawbuffer( ctx );
-/* $Id: teximage.c,v 1.70 2001/01/23 23:35:23 brianp Exp $ */
+/* $Id: teximage.c,v 1.71 2001/02/06 21:42:48 brianp Exp $ */
/*
* Mesa 3-D graphics library
/*
- * Given an internal texture format enum or 1, 2, 3, 4 return the
- * corresponding _base_ internal format: GL_ALPHA, GL_LUMINANCE,
- * GL_LUMANCE_ALPHA, GL_INTENSITY, GL_RGB, or GL_RGBA. Return the
- * number of components for the format. Return -1 if invalid enum.
- */
-static GLint
-components_in_intformat( GLint format )
-{
- switch (format) {
- case GL_ALPHA:
- case GL_ALPHA4:
- case GL_ALPHA8:
- case GL_ALPHA12:
- case GL_ALPHA16:
- return 1;
- case 1:
- case GL_LUMINANCE:
- case GL_LUMINANCE4:
- case GL_LUMINANCE8:
- case GL_LUMINANCE12:
- case GL_LUMINANCE16:
- return 1;
- case 2:
- case GL_LUMINANCE_ALPHA:
- case GL_LUMINANCE4_ALPHA4:
- case GL_LUMINANCE6_ALPHA2:
- case GL_LUMINANCE8_ALPHA8:
- case GL_LUMINANCE12_ALPHA4:
- case GL_LUMINANCE12_ALPHA12:
- case GL_LUMINANCE16_ALPHA16:
- return 2;
- case GL_INTENSITY:
- case GL_INTENSITY4:
- case GL_INTENSITY8:
- case GL_INTENSITY12:
- case GL_INTENSITY16:
- return 1;
- case 3:
- case GL_RGB:
- case GL_R3_G3_B2:
- case GL_RGB4:
- case GL_RGB5:
- case GL_RGB8:
- case GL_RGB10:
- case GL_RGB12:
- case GL_RGB16:
- return 3;
- case 4:
- case GL_RGBA:
- case GL_RGBA2:
- case GL_RGBA4:
- case GL_RGB5_A1:
- case GL_RGBA8:
- case GL_RGB10_A2:
- case GL_RGBA12:
- case GL_RGBA16:
- return 4;
- case GL_COLOR_INDEX:
- case GL_COLOR_INDEX1_EXT:
- case GL_COLOR_INDEX2_EXT:
- case GL_COLOR_INDEX4_EXT:
- case GL_COLOR_INDEX8_EXT:
- case GL_COLOR_INDEX12_EXT:
- case GL_COLOR_INDEX16_EXT:
- return 1;
- default:
- return -1; /* error */
- }
-}
-
-
-/*
* Return GL_TRUE if internalFormat is a compressed format, return GL_FALSE
* otherwise.
*/
/*
- * Examine the texImage->Format field and set the Red, Green, Blue, etc
- * texel component sizes to default values.
- * These fields are set only here by core Mesa but device drivers may
- * overwritting these fields to indicate true texel resolution.
+ * Store a gl_texture_image pointer in a gl_texture_object structure
+ * according to the target and level parameters.
+ * This was basically prompted by the introduction of cube maps.
*/
static void
-set_teximage_component_sizes( struct gl_texture_image *texImage )
-{
- switch (texImage->Format) {
- case GL_ALPHA:
- texImage->RedBits = 0;
- texImage->GreenBits = 0;
- texImage->BlueBits = 0;
- texImage->AlphaBits = 8;
- texImage->IntensityBits = 0;
- texImage->LuminanceBits = 0;
- texImage->IndexBits = 0;
- break;
- case GL_LUMINANCE:
- texImage->RedBits = 0;
- texImage->GreenBits = 0;
- texImage->BlueBits = 0;
- texImage->AlphaBits = 0;
- texImage->IntensityBits = 0;
- texImage->LuminanceBits = 8;
- texImage->IndexBits = 0;
- break;
- case GL_LUMINANCE_ALPHA:
- texImage->RedBits = 0;
- texImage->GreenBits = 0;
- texImage->BlueBits = 0;
- texImage->AlphaBits = 8;
- texImage->IntensityBits = 0;
- texImage->LuminanceBits = 8;
- texImage->IndexBits = 0;
- break;
- case GL_INTENSITY:
- texImage->RedBits = 0;
- texImage->GreenBits = 0;
- texImage->BlueBits = 0;
- texImage->AlphaBits = 0;
- texImage->IntensityBits = 8;
- texImage->LuminanceBits = 0;
- texImage->IndexBits = 0;
- break;
- case GL_RED:
- texImage->RedBits = 8;
- texImage->GreenBits = 0;
- texImage->BlueBits = 0;
- texImage->AlphaBits = 0;
- texImage->IntensityBits = 0;
- texImage->LuminanceBits = 0;
- texImage->IndexBits = 0;
- break;
- case GL_GREEN:
- texImage->RedBits = 0;
- texImage->GreenBits = 8;
- texImage->BlueBits = 0;
- texImage->AlphaBits = 0;
- texImage->IntensityBits = 0;
- texImage->LuminanceBits = 0;
- texImage->IndexBits = 0;
- break;
- case GL_BLUE:
- texImage->RedBits = 0;
- texImage->GreenBits = 0;
- texImage->BlueBits = 8;
- texImage->AlphaBits = 0;
- texImage->IntensityBits = 0;
- texImage->LuminanceBits = 0;
- texImage->IndexBits = 0;
- break;
- case GL_RGB:
- case GL_BGR:
- texImage->RedBits = 8;
- texImage->GreenBits = 8;
- texImage->BlueBits = 8;
- texImage->AlphaBits = 0;
- texImage->IntensityBits = 0;
- texImage->LuminanceBits = 0;
- texImage->IndexBits = 0;
- break;
- case GL_RGBA:
- case GL_BGRA:
- case GL_ABGR_EXT:
- texImage->RedBits = 8;
- texImage->GreenBits = 8;
- texImage->BlueBits = 8;
- texImage->AlphaBits = 8;
- texImage->IntensityBits = 0;
- texImage->LuminanceBits = 0;
- texImage->IndexBits = 0;
- break;
- case GL_COLOR_INDEX:
- texImage->RedBits = 0;
- texImage->GreenBits = 0;
- texImage->BlueBits = 0;
- texImage->AlphaBits = 0;
- texImage->IntensityBits = 0;
- texImage->LuminanceBits = 0;
- texImage->IndexBits = 8;
- break;
- default:
- gl_problem(NULL, "unexpected format in set_teximage_component_sizes");
- }
-}
-
-
-static void
set_tex_image(struct gl_texture_object *tObj,
GLenum target, GLint level,
struct gl_texture_image *texImage)
}
+
/*
* Return new gl_texture_image struct with all fields initialized to zero.
*/
-/*
- * Initialize most fields of a gl_texture_image struct.
- */
-static void
-init_texture_image( GLcontext *ctx,
- struct gl_texture_image *img,
- GLsizei width, GLsizei height, GLsizei depth,
- GLint border, GLenum internalFormat )
-{
- ASSERT(img);
- ASSERT(!img->Data);
- img->Format = (GLenum) _mesa_base_tex_format(ctx, internalFormat);
- set_teximage_component_sizes( img );
- img->IntFormat = (GLenum) internalFormat;
- img->Border = border;
- img->Width = width;
- img->Height = height;
- img->Depth = depth;
- img->WidthLog2 = logbase2(width - 2 * border);
- if (height == 1) /* 1-D texture */
- img->HeightLog2 = 0;
- else
- img->HeightLog2 = logbase2(height - 2 * border);
- if (depth == 1) /* 2-D texture */
- img->DepthLog2 = 0;
- else
- img->DepthLog2 = logbase2(depth - 2 * border);
- img->Width2 = 1 << img->WidthLog2;
- img->Height2 = 1 << img->HeightLog2;
- img->Depth2 = 1 << img->DepthLog2;
- img->MaxLog2 = MAX2(img->WidthLog2, img->HeightLog2);
- img->IsCompressed = is_compressed_format(ctx, internalFormat);
-}
-
-
-
void
_mesa_free_texture_image( struct gl_texture_image *teximage )
{
}
-
/*
- * Return number of bytes of storage needed to store a compressed texture
- * image. Only the driver knows for sure. If the driver can't help us,
- * we must return 0.
+ * Return GL_TRUE if the target is a proxy target.
*/
-GLuint
-_mesa_compressed_image_size(GLcontext *ctx,
- GLenum internalFormat,
- GLint numDimensions,
- GLint width,
- GLint height,
- GLint depth)
+static GLboolean
+is_proxy_target(GLenum target)
{
- if (ctx->Driver.CompressedImageSize) {
- return (*ctx->Driver.CompressedImageSize)(ctx, internalFormat,
- numDimensions,
- width, height, depth);
- }
- else {
- /* Shouldn't this be an internal error of some sort? */
- return 0;
- }
+ return (target == GL_PROXY_TEXTURE_1D ||
+ target == GL_PROXY_TEXTURE_2D ||
+ target == GL_PROXY_TEXTURE_3D ||
+ target == GL_PROXY_TEXTURE_CUBE_MAP_ARB);
}
-
/*
* Given a texture unit and a texture target, return the corresponding
* texture object.
/*
- * Calling glTexImage and related functions when convolution is enabled
- * with GL_REDUCE border mode causes some complications.
- * The incoming image must be extra large so that the post-convolution
- * image size is reduced to a power of two size (plus 2 * border).
- * This function adjusts a texture width and height accordingly if
- * convolution with GL_REDUCE is enabled.
- */
-static void
-adjust_texture_size_for_convolution(const GLcontext *ctx, GLuint dimensions,
- GLsizei *width, GLsizei *height)
-{
- if (ctx->Pixel.Convolution1DEnabled
- && dimensions == 1
- && ctx->Pixel.ConvolutionBorderMode[0] == GL_REDUCE) {
- *width = *width - (MAX2(ctx->Convolution1D.Width, 1) - 1);
- }
- else if (ctx->Pixel.Convolution2DEnabled
- && dimensions > 1
- && ctx->Pixel.ConvolutionBorderMode[1] == GL_REDUCE) {
- *width = *width - (MAX2(ctx->Convolution2D.Width, 1) - 1);
- *height = *height - (MAX2(ctx->Convolution2D.Height, 1) - 1);
- }
- else if (ctx->Pixel.Separable2DEnabled
- && dimensions > 1
- && ctx->Pixel.ConvolutionBorderMode[2] == GL_REDUCE) {
- *width = *width - (MAX2(ctx->Separable2D.Width, 1) - 1);
- *height = *height - (MAX2(ctx->Separable2D.Height, 1) - 1);
- }
-}
-
-
-
-/*
- * This function is used to move user image data into a texture image.
- * We handle full texture images and subtexture images. We also take
- * care of all image transfer operations here, including convolution.
- * Input:
- * dstXoffset, dstYoffset, dstZoffset - offsets in pixels
- * dstRowStride, dstImageStride - strides in GLchan's
- */
-static void
-fill_texture_image( GLcontext *ctx, GLuint dimensions,
- GLenum texFormat, GLchan *texAddr,
- GLint srcWidth, GLint srcHeight, GLint srcDepth,
- GLint dstXoffset, GLint dstYoffset, GLint dstZoffset,
- GLint dstRowStride, GLint dstImageStride,
- GLenum srcFormat, GLenum srcType, const GLvoid *srcAddr,
- const struct gl_pixelstore_attrib *srcPacking)
-{
- GLint texComponents;
-
- ASSERT(ctx);
- ASSERT(dimensions >= 1 && dimensions <= 3);
- ASSERT(texAddr);
- ASSERT(srcWidth >= 1);
- ASSERT(srcHeight >= 1);
- ASSERT(srcDepth >= 1);
- ASSERT(dstXoffset >= 0);
- ASSERT(dstYoffset >= 0);
- ASSERT(dstZoffset >= 0);
- ASSERT(dstRowStride >= 0);
- ASSERT(dstImageStride >= 0);
- ASSERT(srcAddr);
- ASSERT(srcPacking);
-
- texComponents = components_in_intformat(texFormat);
-
- /* try common 2D texture cases first */
- if (!ctx->_ImageTransferState && dimensions == 2
- && srcType == GL_UNSIGNED_BYTE) {
-
- if (srcFormat == texFormat) {
- /* This will cover the common GL_RGB, GL_RGBA, GL_ALPHA,
- * GL_LUMINANCE_ALPHA, etc. texture formats. Use memcpy().
- */
- const GLchan *src = (const GLchan *) _mesa_image_address(
- srcPacking, srcAddr, srcWidth, srcHeight,
- srcFormat, srcType, 0, 0, 0);
- const GLint srcRowStride = _mesa_image_row_stride(srcPacking,
- srcWidth, srcFormat, srcType);
- const GLint widthInBytes = srcWidth * texComponents * sizeof(GLchan);
- GLchan *dst = texAddr + dstYoffset * dstRowStride
- + dstXoffset * texComponents;
- if (srcRowStride == widthInBytes && dstRowStride == widthInBytes) {
- MEMCPY(dst, src, srcHeight * widthInBytes);
- }
- else {
- GLint i;
- for (i = 0; i < srcHeight; i++) {
- MEMCPY(dst, src, widthInBytes);
- src += srcRowStride;
- dst += dstRowStride;
- }
- }
- return; /* all done */
- }
- else if (srcFormat == GL_RGBA && texFormat == GL_RGB) {
- /* commonly used by Quake */
- const GLchan *src = (const GLchan *) _mesa_image_address(
- srcPacking, srcAddr, srcWidth, srcHeight,
- srcFormat, srcType, 0, 0, 0);
- const GLint srcRowStride = _mesa_image_row_stride(srcPacking,
- srcWidth, srcFormat, srcType);
- GLchan *dst = texAddr + dstYoffset * dstRowStride
- + dstXoffset * texComponents;
- GLint i, j;
- for (i = 0; i < srcHeight; i++) {
- const GLchan *s = src;
- GLchan *d = dst;
- for (j = 0; j < srcWidth; j++) {
- *d++ = *s++; /*red*/
- *d++ = *s++; /*green*/
- *d++ = *s++; /*blue*/
- s++; /*alpha*/
- }
- src += srcRowStride;
- dst += dstRowStride;
- }
- return; /* all done */
- }
- }
-
- /*
- * General case solutions
- */
- if (texFormat == GL_COLOR_INDEX) {
- /* color index texture */
- const GLenum texType = GL_UNSIGNED_BYTE;
- GLint img, row;
- GLchan *dest = texAddr + dstZoffset * dstImageStride
- + dstYoffset * dstRowStride
- + dstXoffset * texComponents;
- for (img = 0; img < srcDepth; img++) {
- GLchan *destRow = dest;
- for (row = 0; row < srcHeight; row++) {
- const GLvoid *src = _mesa_image_address(srcPacking,
- srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0);
- _mesa_unpack_index_span(ctx, srcWidth, texType, destRow,
- srcType, src, srcPacking,
- ctx->_ImageTransferState);
- destRow += dstRowStride;
- }
- dest += dstImageStride;
- }
- }
- else {
- /* regular, color texture */
- if ((dimensions == 1 && ctx->Pixel.Convolution1DEnabled) ||
- (dimensions >= 2 && ctx->Pixel.Convolution2DEnabled) ||
- (dimensions >= 2 && ctx->Pixel.Separable2DEnabled)) {
- /*
- * Fill texture image with convolution
- */
- GLint img, row;
- GLint convWidth = srcWidth, convHeight = srcHeight;
- GLfloat *tmpImage, *convImage;
- tmpImage = (GLfloat *) MALLOC(srcWidth * srcHeight * 4 * sizeof(GLfloat));
- if (!tmpImage) {
- gl_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
- return;
- }
- convImage = (GLfloat *) MALLOC(srcWidth * srcHeight * 4 * sizeof(GLfloat));
- if (!convImage) {
- gl_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
- FREE(tmpImage);
- return;
- }
-
- for (img = 0; img < srcDepth; img++) {
- const GLfloat *srcf;
- GLfloat *dstf = tmpImage;
- GLchan *dest;
-
- /* unpack and do transfer ops up to convolution */
- for (row = 0; row < srcHeight; row++) {
- const GLvoid *src = _mesa_image_address(srcPacking,
- srcAddr, srcWidth, srcHeight,
- srcFormat, srcType, img, row, 0);
- _mesa_unpack_float_color_span(ctx, srcWidth, GL_RGBA, dstf,
- srcFormat, srcType, src, srcPacking,
- ctx->_ImageTransferState & IMAGE_PRE_CONVOLUTION_BITS,
- GL_TRUE);
- dstf += srcWidth * 4;
- }
-
- /* convolve */
- if (dimensions == 1) {
- ASSERT(ctx->Pixel.Convolution1DEnabled);
- _mesa_convolve_1d_image(ctx, &convWidth, tmpImage, convImage);
- }
- else {
- if (ctx->Pixel.Convolution2DEnabled) {
- _mesa_convolve_2d_image(ctx, &convWidth, &convHeight,
- tmpImage, convImage);
- }
- else {
- ASSERT(ctx->Pixel.Separable2DEnabled);
- _mesa_convolve_sep_image(ctx, &convWidth, &convHeight,
- tmpImage, convImage);
- }
- }
-
- /* packing and transfer ops after convolution */
- srcf = convImage;
- dest = texAddr + (dstZoffset + img) * dstImageStride
- + dstYoffset * dstRowStride;
- for (row = 0; row < convHeight; row++) {
- _mesa_pack_float_rgba_span(ctx, convWidth,
- (const GLfloat (*)[4]) srcf,
- texFormat, GL_UNSIGNED_BYTE,
- dest, &_mesa_native_packing,
- ctx->_ImageTransferState
- & IMAGE_POST_CONVOLUTION_BITS);
- srcf += convWidth * 4;
- dest += dstRowStride;
- }
- }
-
- FREE(convImage);
- FREE(tmpImage);
- }
- else {
- /*
- * no convolution
- */
- GLint img, row;
- GLchan *dest = texAddr + dstZoffset * dstImageStride
- + dstYoffset * dstRowStride
- + dstXoffset * texComponents;
- for (img = 0; img < srcDepth; img++) {
- GLchan *destRow = dest;
- for (row = 0; row < srcHeight; row++) {
- const GLvoid *srcRow = _mesa_image_address(srcPacking,
- srcAddr, srcWidth, srcHeight,
- srcFormat, srcType, img, row, 0);
- _mesa_unpack_chan_color_span(ctx, srcWidth, texFormat, destRow,
- srcFormat, srcType, srcRow, srcPacking,
- ctx->_ImageTransferState);
- destRow += dstRowStride;
- }
- dest += dstImageStride;
- }
- }
- }
-}
-
-
-
-/* Need this to prevent an out-of-bounds memory access when using
- * X86 optimized code.
- */
-#ifdef USE_X86_ASM
-# define EXTRA_BYTE sizeof(GLchan)
-#else
-# define EXTRA_BYTE 0
-#endif
-
-
-
-/*
- * Called by glTexImage[123]D. Fill in a texture image with data given
- * by the client. All pixel transfer and unpack modes are handled here.
- * Input: dimensions (1, 2, or 3)
- * texImage - destination texture image (we'll malloc the memory)
- * width, height, depth - size of source image
- * srcFormat, srcType - source image format and type
- * pixels - source image data
- * srcPacking - source image packing parameters
- *
- * NOTE: All texture image parameters should have already been error checked.
- *
- * NOTE: the texImage dimensions and source image dimensions must be correct
- * with respect to convolution with border mode = reduce.
- */
-static void
-make_texture_image( GLcontext *ctx, GLuint dimensions,
- struct gl_texture_image *texImage,
- GLint width, GLint height, GLint depth,
- GLenum srcFormat, GLenum srcType, const GLvoid *pixels,
- const struct gl_pixelstore_attrib *srcPacking)
-{
- const GLint internalFormat = texImage->IntFormat;
- const GLint components = components_in_intformat(internalFormat);
- GLint convWidth = width, convHeight = height;
-
- if (ctx->NewState & _NEW_PIXEL)
- gl_update_state(ctx);
-
- if (ctx->_ImageTransferState & IMAGE_CONVOLUTION_BIT) {
- adjust_texture_size_for_convolution(ctx, dimensions,
- &convWidth, &convHeight);
- }
-
- texImage->Data = (GLchan *) MALLOC(convWidth * convHeight * depth
- * components * sizeof(GLchan) + EXTRA_BYTE);
- if (!texImage->Data)
- return; /* out of memory */
-
- fill_texture_image(ctx, dimensions, texImage->Format, texImage->Data,
- width, height, depth, 0, 0, 0,
- convWidth * components * sizeof(GLchan),
- convWidth * convHeight * components * sizeof(GLchan),
- srcFormat, srcType, pixels, srcPacking);
-}
-
-
-
-/*
* glTexImage[123]D can accept a NULL image pointer. In this case we
* create a texture image with unspecified image contents per the OpenGL
- * spec. This function creates an empty image for the given texture image.
+ * spec.
*/
-static void
-make_null_texture( struct gl_texture_image *texImage )
+static GLubyte *
+make_null_texture(GLint width, GLint height, GLint depth, GLenum format)
{
- GLint components;
- GLint numPixels;
-
- ASSERT(texImage);
- ASSERT(!texImage->Data);
-
- components = components_in_intformat(texImage->IntFormat);
- numPixels = texImage->Width * texImage->Height * texImage->Depth;
-
- texImage->Data = (GLchan *) MALLOC( numPixels * components * sizeof(GLchan)
- + EXTRA_BYTE );
+ const GLint components = _mesa_components_in_format(format);
+ const GLint numPixels = width * height * depth;
+ GLubyte *data = (GLubyte *) MALLOC(numPixels * components * sizeof(GLubyte));
/*
* Let's see if anyone finds this. If glTexImage2D() is called with
* a NULL image pointer then load the texture image with something
* interesting instead of leaving it indeterminate.
*/
- if (texImage->Data) {
+ if (data) {
static const char message[8][32] = {
" X X XXXXX XXX X ",
" XX XX X X X X X ",
" "
};
- GLchan *imgPtr = texImage->Data;
- GLint i, j, k;
- for (i = 0; i < texImage->Height; i++) {
- GLint srcRow = 7 - i % 8;
- for (j = 0; j < texImage->Width; j++) {
- GLint srcCol = j % 32;
- GLint texel = (message[srcRow][srcCol]=='X') ? CHAN_MAX : 70;
- for (k=0;k<components;k++) {
- *imgPtr++ = (GLchan) texel;
+ GLubyte *imgPtr = data;
+ GLint h, i, j, k;
+ for (h = 0; h < depth; h++) {
+ for (i = 0; i < height; i++) {
+ GLint srcRow = 7 - (i % 8);
+ for (j = 0; j < width; j++) {
+ GLint srcCol = j % 32;
+ GLubyte texel = (message[srcRow][srcCol]=='X') ? 255 : 70;
+ for (k = 0; k < components; k++) {
+ *imgPtr++ = texel;
+ }
}
}
}
}
+
+ return data;
}
}
}
else if (dimensions == 2) {
- isProxy = (GLboolean) (target == GL_PROXY_TEXTURE_2D);
+ isProxy = (GLboolean) (target == GL_PROXY_TEXTURE_2D ||
+ target == GL_PROXY_TEXTURE_CUBE_MAP_ARB);
if (target != GL_TEXTURE_2D && !isProxy &&
!(ctx->Extensions.ARB_texture_cube_map &&
target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
-
-/*
- * Turn generic compressed formats into specific compressed format.
- * Some of the compressed formats we don't support, so we
- * fall back to the uncompressed format. (See issue 15 of
- * the GL_ARB_texture_compression specification.)
- */
-static GLint
-get_specific_compressed_tex_format(GLcontext *ctx,
- GLint ifmt, GLint numDimensions,
- GLint *levelp,
- GLsizei *widthp,
- GLsizei *heightp,
- GLsizei *depthp,
- GLint *borderp,
- GLenum *formatp,
- GLenum *typep)
+void
+_mesa_GetTexImage( GLenum target, GLint level, GLenum format,
+ GLenum type, GLvoid *pixels )
{
- char message[100];
- GLint internalFormat = ifmt;
-
- if (ctx->Extensions.ARB_texture_compression
- && ctx->Driver.SpecificCompressedTexFormat) {
- /*
- * First, ask the driver for the specific format.
- * We do this for all formats, since we may want to
- * fake one compressed format for another.
- */
- internalFormat = (*ctx->Driver.SpecificCompressedTexFormat)
- (ctx, internalFormat, numDimensions,
- levelp,
- widthp, heightp, depthp,
- borderp, formatp, typep);
+ GET_CURRENT_CONTEXT(ctx);
+ const struct gl_texture_unit *texUnit;
+ const struct gl_texture_object *texObj;
+ struct gl_texture_image *texImage;
+
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ if (level < 0 || level >= ctx->Const.MaxTextureLevels) {
+ gl_error( ctx, GL_INVALID_VALUE, "glGetTexImage(level)" );
+ return;
}
- /*
- * Now, convert any generic format left to an uncompressed
- * specific format. If the driver does not support compression
- * of the format, we must drop back to the uncompressed format.
- * See issue 15 of the GL_ARB_texture_compression specification.
- */
- switch (internalFormat) {
- case GL_COMPRESSED_ALPHA_ARB:
- if (ctx && !ctx->Extensions.ARB_texture_compression) {
- sprintf(message, "glTexImage%dD(internalFormat)", numDimensions);
- gl_error(ctx, GL_INVALID_VALUE, message);
- return -1;
- }
- internalFormat = GL_ALPHA;
- break;
- case GL_COMPRESSED_LUMINANCE_ARB:
- if (ctx && !ctx->Extensions.ARB_texture_compression) {
- sprintf(message, "glTexImage%dD(internalFormat)", numDimensions);
- gl_error(ctx, GL_INVALID_VALUE, message);
- return -1;
- }
- internalFormat = GL_LUMINANCE;
- break;
- case GL_COMPRESSED_LUMINANCE_ALPHA_ARB:
- if (ctx && !ctx->Extensions.ARB_texture_compression) {
- sprintf(message, "glTexImage%dD(internalFormat)", numDimensions);
- gl_error(ctx, GL_INVALID_VALUE, message);
- return -1;
+ if (_mesa_sizeof_type(type) <= 0) {
+ gl_error( ctx, GL_INVALID_ENUM, "glGetTexImage(type)" );
+ return;
+ }
+
+ if (_mesa_components_in_format(format) <= 0) {
+ gl_error( ctx, GL_INVALID_ENUM, "glGetTexImage(format)" );
+ return;
+ }
+
+ if (!pixels)
+ return;
+
+ texUnit = &(ctx->Texture.Unit[ctx->Texture.CurrentUnit]);
+ texObj = _mesa_select_tex_object(ctx, texUnit, target);
+ if (!texObj || is_proxy_target(target)) {
+ gl_error(ctx, GL_INVALID_ENUM, "glGetTexImage(target)");
+ return;
+ }
+
+ texImage = _mesa_select_tex_image(ctx, texUnit, target, level);
+ if (!texImage) {
+ /* invalid mipmap level, not an error */
+ return;
+ }
+
+ if (!texImage->Data) {
+ /* no image data, not an error */
+ return;
+ }
+
+ if (ctx->NewState & _NEW_PIXEL)
+ gl_update_state(ctx);
+
+ if (ctx->_ImageTransferState & IMAGE_CONVOLUTION_BIT) {
+ /* convert texture image to GL_RGBA, GL_FLOAT */
+ GLint width = texImage->Width;
+ GLint height = texImage->Height;
+ GLint depth = texImage->Depth;
+ GLint img, row;
+ GLfloat *tmpImage, *convImage;
+ tmpImage = (GLfloat *) MALLOC(width * height * 4 * sizeof(GLfloat));
+ if (!tmpImage) {
+ gl_error(ctx, GL_OUT_OF_MEMORY, "glGetTexImage");
+ return;
+ }
+ convImage = (GLfloat *) MALLOC(width * height * 4 * sizeof(GLfloat));
+ if (!convImage) {
+ FREE(tmpImage);
+ gl_error(ctx, GL_OUT_OF_MEMORY, "glGetTexImage");
+ return;
+ }
+
+ for (img = 0; img < depth; img++) {
+ GLint convWidth, convHeight;
+
+ /* convert texture data to GLfloat/GL_RGBA */
+ for (row = 0; row < height; row++) {
+ GLchan texels[1 << MAX_TEXTURE_LEVELS][4];
+ GLint col;
+ GLfloat *dst = tmpImage + row * width * 4;
+ for (col = 0; col < width; col++) {
+ (*texImage->FetchTexel)(ctx, texObj, texImage, col, row, img,
+ texels[col]);
+ }
+ _mesa_unpack_float_color_span(ctx, width, GL_RGBA, dst,
+ GL_RGBA, CHAN_TYPE, texels,
+ &_mesa_native_packing,
+ ctx->_ImageTransferState & IMAGE_PRE_CONVOLUTION_BITS,
+ GL_FALSE);
}
- internalFormat = GL_LUMINANCE_ALPHA;
- break;
- case GL_COMPRESSED_INTENSITY_ARB:
- if (ctx && !ctx->Extensions.ARB_texture_compression) {
- sprintf(message, "glTexImage%dD(internalFormat)", numDimensions);
- gl_error(ctx, GL_INVALID_VALUE, message);
- return -1;
+
+ convWidth = width;
+ convHeight = height;
+
+ /* convolve */
+ if (target == GL_TEXTURE_1D) {
+ if (ctx->Pixel.Convolution1DEnabled) {
+ _mesa_convolve_1d_image(ctx, &convWidth, tmpImage, convImage);
+ }
}
- internalFormat = GL_INTENSITY;
- break;
- case GL_COMPRESSED_RGB_ARB:
- if (ctx && !ctx->Extensions.ARB_texture_compression) {
- sprintf(message, "glTexImage%dD(internalFormat)", numDimensions);
- gl_error(ctx, GL_INVALID_VALUE, message);
- return -1;
+ else {
+ if (ctx->Pixel.Convolution2DEnabled) {
+ _mesa_convolve_2d_image(ctx, &convWidth, &convHeight,
+ tmpImage, convImage);
+ }
+ else if (ctx->Pixel.Separable2DEnabled) {
+ _mesa_convolve_sep_image(ctx, &convWidth, &convHeight,
+ tmpImage, convImage);
+ }
}
- internalFormat = GL_RGB;
- break;
- case GL_COMPRESSED_RGBA_ARB:
- if (ctx && !ctx->Extensions.ARB_texture_compression) {
- sprintf(message, "glTexImage%dD(internalFormat)", numDimensions);
- gl_error(ctx, GL_INVALID_VALUE, message);
- return -1;
+
+ /* pack convolved image */
+ for (row = 0; row < convHeight; row++) {
+ const GLfloat *src = convImage + row * convWidth * 4;
+ GLvoid *dest = _mesa_image_address(&ctx->Pack, pixels,
+ convWidth, convHeight,
+ format, type, img, row, 0);
+ _mesa_pack_float_rgba_span(ctx, convWidth,
+ (const GLfloat(*)[4]) src,
+ format, type, dest, &ctx->Pack,
+ ctx->_ImageTransferState & IMAGE_POST_CONVOLUTION_BITS);
}
- internalFormat = GL_RGBA;
- break;
- default:
- /* silence compiler warning */
- ;
+ }
+
+ FREE(tmpImage);
+ FREE(convImage);
}
- return internalFormat;
+ else {
+ /* no convolution */
+ GLint width = texImage->Width;
+ GLint height = texImage->Height;
+ GLint depth = texImage->Depth;
+ GLint img, row;
+ for (img = 0; img < depth; img++) {
+ for (row = 0; row < height; row++) {
+ /* compute destination address in client memory */
+ GLvoid *dest = _mesa_image_address( &ctx->Unpack, pixels,
+ width, height, format, type, img, row, 0);
+ assert(dest);
+
+ {
+ /* general case: convert row to RGBA format */
+ GLchan rgba[MAX_WIDTH][4];
+ GLint col;
+ for (col = 0; col < width; col++) {
+ (*texImage->FetchTexel)(ctx, texObj, texImage,
+ img, row, col, rgba[col]);
+ }
+
+ _mesa_pack_rgba_span( ctx, width, (const GLchan (*)[4])rgba,
+ format, type, dest, &ctx->Pack,
+ ctx->_ImageTransferState );
+ } /* format */
+ } /* row */
+ } /* img */
+ } /* convolution */
}
+
/*
* Called from the API. Note that width includes the border.
*/
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- adjust_texture_size_for_convolution(ctx, 1, &postConvWidth, NULL);
+ _mesa_adjust_image_for_convolution(ctx, 1, &postConvWidth, NULL);
- if (target==GL_TEXTURE_1D) {
+ if (target == GL_TEXTURE_1D) {
struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
- GLint ifmt;
-
- ifmt = get_specific_compressed_tex_format(ctx, internalFormat, 1,
- &level,
- &width, 0, 0,
- &border, &format, &type);
- if (ifmt < 0) {
- /*
- * The error here is that we were sent a generic compressed
- * format, but the extension is not supported.
- */
- return;
- }
- else {
- internalFormat = ifmt;
- }
if (texture_error_check(ctx, target, level, internalFormat,
format, type, 1, postConvWidth, 1, 1, border)) {
- return; /* error in texture image was detected */
+ return; /* error was recorded */
}
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
- texObj = texUnit->Current1D;
- texImage = texObj->Image[level];
+ texObj = _mesa_select_tex_object(ctx, texUnit, target);
+ texImage = _mesa_select_tex_image(ctx, texUnit, target, level);
if (!texImage) {
texImage = _mesa_alloc_texture_image();
}
}
else if (texImage->Data) {
+ /* free the old texture data */
FREE(texImage->Data);
texImage->Data = NULL;
}
- /* setup the teximage struct's fields */
- init_texture_image(ctx, texImage, postConvWidth, 1, 1, border, internalFormat);
-
if (ctx->NewState & _NEW_PIXEL)
gl_update_state(ctx);
- /* process the texture image */
+ ASSERT(ctx->Driver.TexImage1D);
if (pixels) {
- GLboolean retain = GL_TRUE;
- GLboolean success = GL_FALSE;
- if (!ctx->_ImageTransferState && ctx->Driver.TexImage1D) {
- /* let device driver try to use raw image */
- success = (*ctx->Driver.TexImage1D)( ctx, target, level, format,
- type, pixels, &ctx->Unpack,
- texObj, texImage, &retain);
- }
- if (retain || !success) {
- /* make internal copy of the texture image */
- make_texture_image(ctx, 1, texImage, width, 1, 1,
- format, type, pixels, &ctx->Unpack);
- if (!success && ctx->Driver.TexImage1D) {
- /* let device driver try to use unpacked image */
- (*ctx->Driver.TexImage1D)( ctx, target, level, texImage->Format,
- GL_UNSIGNED_BYTE, texImage->Data,
- &_mesa_native_packing,
- texObj, texImage, &retain);
- }
- }
- if (!retain && texImage->Data) {
- FREE(texImage->Data);
- texImage->Data = NULL;
- }
+ (*ctx->Driver.TexImage1D)(ctx, target, level, internalFormat,
+ width, border, format, type, pixels,
+ &ctx->Unpack, texObj, texImage);
}
else {
- make_null_texture(texImage);
- if (ctx->Driver.TexImage1D) {
- GLboolean retain;
- (*ctx->Driver.TexImage1D)( ctx, target, level, texImage->Format,
- GL_UNSIGNED_BYTE, texImage->Data,
- &_mesa_native_packing,
- texObj, texImage, &retain);
+ GLubyte *dummy = make_null_texture(width, 1, 1, format);
+ if (dummy) {
+ (*ctx->Driver.TexImage1D)(ctx, target, level, internalFormat,
+ width, border,
+ format, GL_UNSIGNED_BYTE, dummy,
+ &_mesa_native_packing, texObj, texImage);
+ FREE(dummy);
}
}
else if (target == GL_PROXY_TEXTURE_1D) {
/* Proxy texture: check for errors and update proxy state */
GLenum error = texture_error_check(ctx, target, level, internalFormat,
- format, type, 1, width, 1, 1, border);
- if (!error && ctx->Driver.TestProxyTexImage) {
+ format, type, 1,
+ postConvWidth, 1, 1, border);
+ if (!error) {
+ ASSERT(ctx->Driver.TestProxyTexImage);
error = !(*ctx->Driver.TestProxyTexImage)(ctx, target, level,
internalFormat, format, type,
- width, 1, 1, border);
+ postConvWidth, 1, 1, border);
}
if (error) {
/* if error, clear all proxy texture image parameters */
- if (level>=0 && level<ctx->Const.MaxTextureLevels) {
+ if (level >= 0 && level < ctx->Const.MaxTextureLevels) {
clear_proxy_teximage(ctx->Texture.Proxy1D->Image[level]);
}
}
- else {
- /* if no error, update proxy texture image parameters */
- init_texture_image(ctx, ctx->Texture.Proxy1D->Image[level],
- width, 1, 1, border, internalFormat);
- }
}
else {
gl_error( ctx, GL_INVALID_ENUM, "glTexImage1D(target)" );
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- adjust_texture_size_for_convolution(ctx, 2, &postConvWidth,&postConvHeight);
+ _mesa_adjust_image_for_convolution(ctx, 2, &postConvWidth,&postConvHeight);
- if (target==GL_TEXTURE_2D ||
+ if (target == GL_TEXTURE_2D ||
(ctx->Extensions.ARB_texture_cube_map &&
target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB)) {
+ /* non-proxy target */
struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
- GLint ifmt;
-
- ifmt = get_specific_compressed_tex_format(ctx, internalFormat, 2,
- &level,
- &width, &height, 0,
- &border, &format, &type);
- if (ifmt < 0) {
- /*
- * The error here is that we were sent a generic compressed
- * format, but the extension is not supported.
- */
- return;
- }
- else {
- internalFormat = ifmt;
- }
if (texture_error_check(ctx, target, level, internalFormat,
format, type, 2, postConvWidth, postConvHeight,
1, border)) {
- return; /* error in texture image was detected */
+ return; /* error was recorded */
}
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
if (!texImage) {
texImage = _mesa_alloc_texture_image();
set_tex_image(texObj, target, level, texImage);
- /*texObj->Image[level] = texImage;*/
if (!texImage) {
gl_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D");
return;
}
}
else if (texImage->Data) {
+ /* free the old texture data */
FREE(texImage->Data);
texImage->Data = NULL;
}
- /* setup the teximage struct's fields */
- init_texture_image(ctx, texImage, postConvWidth, postConvHeight,
- 1, border, internalFormat);
-
if (ctx->NewState & _NEW_PIXEL)
gl_update_state(ctx);
- /* process the texture image */
+ ASSERT(ctx->Driver.TexImage2D);
if (pixels) {
- GLboolean retain = GL_TRUE;
- GLboolean success = GL_FALSE;
- if (!ctx->_ImageTransferState && ctx->Driver.TexImage2D) {
- /* let device driver try to use raw image */
- success = (*ctx->Driver.TexImage2D)( ctx, target, level, format,
- type, pixels, &ctx->Unpack,
- texObj, texImage, &retain);
- }
- if (retain || !success) {
- /* make internal copy of the texture image */
- make_texture_image(ctx, 2, texImage, width, height, 1,
- format, type, pixels, &ctx->Unpack);
- if (!success && ctx->Driver.TexImage2D) {
- /* let device driver try to use unpacked image */
- (*ctx->Driver.TexImage2D)( ctx, target, level, texImage->Format,
- GL_UNSIGNED_BYTE, texImage->Data,
- &_mesa_native_packing,
- texObj, texImage, &retain);
- }
- }
- if (!retain && texImage->Data) {
- FREE(texImage->Data);
- texImage->Data = NULL;
- }
+ (*ctx->Driver.TexImage2D)(ctx, target, level, internalFormat,
+ width, height, border, format, type, pixels,
+ &ctx->Unpack, texObj, texImage);
}
else {
- make_null_texture(texImage);
- if (ctx->Driver.TexImage2D) {
- GLboolean retain;
- (*ctx->Driver.TexImage2D)( ctx, target, level, texImage->Format,
- GL_UNSIGNED_BYTE, texImage->Data,
- &_mesa_native_packing,
- texObj, texImage, &retain);
+ GLubyte *dummy = make_null_texture(width, height, 1, format);
+ if (dummy) {
+ (*ctx->Driver.TexImage2D)(ctx, target, level, internalFormat,
+ width, height, border,
+ format, GL_UNSIGNED_BYTE, dummy,
+ &_mesa_native_packing, texObj, texImage);
+ FREE(dummy);
}
}
else if (target == GL_PROXY_TEXTURE_2D) {
/* Proxy texture: check for errors and update proxy state */
GLenum error = texture_error_check(ctx, target, level, internalFormat,
- format, type, 2, width, height, 1, border);
- if (!error && ctx->Driver.TestProxyTexImage) {
+ format, type, 2,
+ postConvWidth, postConvHeight, 1, border);
+ if (!error) {
+ ASSERT(ctx->Driver.TestProxyTexImage);
error = !(*ctx->Driver.TestProxyTexImage)(ctx, target, level,
- internalFormat, format, type,
- width, height, 1, border);
+ internalFormat, format, type,
+ postConvWidth, postConvHeight, 1, border);
}
if (error) {
/* if error, clear all proxy texture image parameters */
- if (level>=0 && level<ctx->Const.MaxTextureLevels) {
+ if (level >= 0 && level < ctx->Const.MaxTextureLevels) {
clear_proxy_teximage(ctx->Texture.Proxy2D->Image[level]);
}
}
- else {
- /* if no error, update proxy texture image parameters */
- init_texture_image(ctx,
- ctx->Texture.Proxy2D->Image[level],
- width, height, 1, border, internalFormat);
- }
}
else {
gl_error( ctx, GL_INVALID_ENUM, "glTexImage2D(target)" );
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- if (target==GL_TEXTURE_3D_EXT) {
+ if (target == GL_TEXTURE_3D) {
struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
- GLint ifmt;
-
- ifmt = get_specific_compressed_tex_format(ctx, internalFormat, 3,
- &level,
- &width, &height, &depth,
- &border, &format, &type);
- if (ifmt < 0) {
- /*
- * The error here is that we were sent a generic compressed
- * format, but the extension is not supported.
- */
- return;
- }
- else {
- internalFormat = ifmt;
- }
if (texture_error_check(ctx, target, level, internalFormat,
format, type, 3, width, height, depth, border)) {
- return; /* error in texture image was detected */
+ return; /* error was recorded */
}
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
- texObj = texUnit->Current3D;
- texImage = texObj->Image[level];
+ texObj = _mesa_select_tex_object(ctx, texUnit, target);
+ texImage = _mesa_select_tex_image(ctx, texUnit, target, level);
if (!texImage) {
texImage = _mesa_alloc_texture_image();
texImage->Data = NULL;
}
- /* setup the teximage struct's fields */
- init_texture_image(ctx, texImage, width, height, depth,
- border, internalFormat);
-
if (ctx->NewState & _NEW_PIXEL)
gl_update_state(ctx);
- /* process the texture image */
+ ASSERT(ctx->Driver.TexImage3D);
if (pixels) {
- GLboolean retain = GL_TRUE;
- GLboolean success = GL_FALSE;
- if (!ctx->_ImageTransferState && ctx->Driver.TexImage3D) {
- /* let device driver try to use raw image */
- success = (*ctx->Driver.TexImage3D)( ctx, target, level, format,
- type, pixels, &ctx->Unpack,
- texObj, texImage, &retain);
- }
- if (retain || !success) {
- /* make internal copy of the texture image */
- make_texture_image(ctx, 3, texImage, width, height, depth,
- format, type, pixels, &ctx->Unpack);
- if (!success && ctx->Driver.TexImage3D) {
- /* let device driver try to use unpacked image */
- (*ctx->Driver.TexImage3D)( ctx, target, level, texImage->Format,
- GL_UNSIGNED_BYTE, texImage->Data,
- &_mesa_native_packing,
- texObj, texImage, &retain);
- }
- }
- if (!retain && texImage->Data) {
- FREE(texImage->Data);
- texImage->Data = NULL;
- }
+ (*ctx->Driver.TexImage3D)(ctx, target, level, internalFormat,
+ width, height, depth, border,
+ format, type, pixels,
+ &ctx->Unpack, texObj, texImage);
}
else {
- make_null_texture(texImage);
- if (ctx->Driver.TexImage3D) {
- GLboolean retain;
- (*ctx->Driver.TexImage3D)( ctx, target, level, texImage->Format,
- GL_UNSIGNED_BYTE, texImage->Data,
- &_mesa_native_packing,
- texObj, texImage, &retain);
+ GLubyte *dummy = make_null_texture(width, height, depth, format);
+ if (dummy) {
+ (*ctx->Driver.TexImage3D)(ctx, target, level, internalFormat,
+ width, height, depth, border,
+ format, GL_UNSIGNED_BYTE, dummy,
+ &_mesa_native_packing, texObj, texImage);
+ FREE(dummy);
}
}
/* Proxy texture: check for errors and update proxy state */
GLenum error = texture_error_check(ctx, target, level, internalFormat,
format, type, 3, width, height, depth, border);
- if (!error && ctx->Driver.TestProxyTexImage) {
+ if (!error) {
+ ASSERT(ctx->Driver.TestProxyTexImage);
error = !(*ctx->Driver.TestProxyTexImage)(ctx, target, level,
internalFormat, format, type,
width, height, depth, border);
clear_proxy_teximage(ctx->Texture.Proxy3D->Image[level]);
}
}
- else {
- /* if no error, update proxy texture image parameters */
- init_texture_image(ctx, ctx->Texture.Proxy3D->Image[level],
- width, height, depth, border, internalFormat);
- }
}
else {
gl_error( ctx, GL_INVALID_ENUM, "glTexImage3D(target)" );
}
-/*
- * Fetch a texture image from the device driver.
- * Store the results in the given texture object at the given mipmap level.
- */
-void
-_mesa_get_teximage_from_driver( GLcontext *ctx, GLenum target, GLint level,
- const struct gl_texture_object *texObj )
-{
- GLvoid *image;
- GLenum imgFormat, imgType;
- GLboolean freeImage;
- struct gl_texture_image *texImage;
- GLint destComponents, numPixels, srcBytesPerTexel;
-
- if (!ctx->Driver.GetTexImage)
- return;
-
- image = (*ctx->Driver.GetTexImage)( ctx, target, level, texObj,
- &imgFormat, &imgType, &freeImage);
- if (!image)
- return;
-
- texImage = texObj->Image[level];
- ASSERT(texImage);
- if (!texImage)
- return;
-
- destComponents = components_in_intformat(texImage->Format);
- assert(destComponents > 0);
- numPixels = texImage->Width * texImage->Height * texImage->Depth;
- assert(numPixels > 0);
- srcBytesPerTexel = _mesa_bytes_per_pixel(imgFormat, imgType);
- assert(srcBytesPerTexel > 0);
-
- if (!texImage->Data) {
- /* Allocate memory for the texture image data */
- texImage->Data = (GLchan *) MALLOC(numPixels * destComponents
- * sizeof(GLchan) + EXTRA_BYTE);
- }
-
- if (imgFormat == texImage->Format && imgType == GL_UNSIGNED_BYTE) {
- /* We got lucky! The driver's format and type match Mesa's format. */
- if (texImage->Data) {
- MEMCPY(texImage->Data, image, numPixels * destComponents);
- }
- }
- else {
- /* Convert the texture image from the driver's format to Mesa's
- * internal format.
- */
- const GLint width = texImage->Width;
- const GLint height = texImage->Height;
- const GLint depth = texImage->Depth;
- const GLint destBytesPerRow = width * destComponents * sizeof(GLchan);
- const GLint srcBytesPerRow = width * srcBytesPerTexel;
- const GLenum dstType = GL_UNSIGNED_BYTE;
- const GLenum dstFormat = texImage->Format;
- const GLchan *srcPtr = (const GLchan *) image;
- GLchan *destPtr = texImage->Data;
-
- if (texImage->Format == GL_COLOR_INDEX) {
- /* color index texture */
- GLint img, row;
- assert(imgFormat == GL_COLOR_INDEX);
- for (img = 0; img < depth; img++) {
- for (row = 0; row < height; row++) {
- _mesa_unpack_index_span(ctx, width, dstType, destPtr,
- imgType, srcPtr, &_mesa_native_packing, GL_FALSE);
- destPtr += destBytesPerRow;
- srcPtr += srcBytesPerRow;
- }
- }
- }
- else {
- /* color texture */
- GLint img, row;
- for (img = 0; img < depth; img++) {
- for (row = 0; row < height; row++) {
- _mesa_unpack_chan_color_span(ctx, width, dstFormat, destPtr,
- imgFormat, imgType, srcPtr, &_mesa_native_packing, GL_FALSE);
- destPtr += destBytesPerRow;
- srcPtr += srcBytesPerRow;
- }
- }
- }
- }
-
- if (freeImage)
- FREE(image);
-}
-
-
-/*
- * Get all the mipmap images for a texture object from the device driver.
- * Actually, only get mipmap images if we're using a mipmap filter.
- */
-GLboolean
-_mesa_get_teximages_from_driver(GLcontext *ctx,
- struct gl_texture_object *texObj)
-{
- if (ctx->Driver.GetTexImage) {
- static const GLenum targets[] = {
- GL_TEXTURE_1D,
- GL_TEXTURE_2D,
- GL_TEXTURE_3D,
- GL_TEXTURE_CUBE_MAP_ARB,
- GL_TEXTURE_CUBE_MAP_ARB,
- GL_TEXTURE_CUBE_MAP_ARB
- };
- GLboolean needLambda = (texObj->MinFilter != texObj->MagFilter);
- GLenum target = targets[texObj->Dimensions - 1];
- if (needLambda) {
- GLint level;
- /* Get images for all mipmap levels. We might not need them
- * all but this is easier. We're on a (slow) software path
- * anyway.
- */
- for (level = texObj->BaseLevel; level <= texObj->_MaxLevel; level++) {
- struct gl_texture_image *texImg = texObj->Image[level];
- if (texImg && !texImg->Data) {
- _mesa_get_teximage_from_driver(ctx, target, level, texObj);
- if (!texImg->Data)
- return GL_FALSE; /* out of memory */
- }
- }
- }
- else {
- GLint level = texObj->BaseLevel;
- struct gl_texture_image *texImg = texObj->Image[level];
- if (texImg && !texImg->Data) {
- _mesa_get_teximage_from_driver(ctx, target, level, texObj);
- if (!texImg->Data)
- return GL_FALSE; /* out of memory */
- }
- }
- return GL_TRUE;
- }
- return GL_FALSE;
-}
-
-
-
-void
-_mesa_GetTexImage( GLenum target, GLint level, GLenum format,
- GLenum type, GLvoid *pixels )
-{
- GET_CURRENT_CONTEXT(ctx);
- const struct gl_texture_unit *texUnit;
- const struct gl_texture_object *texObj;
- struct gl_texture_image *texImage;
- GLboolean discardImage;
-
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- if (level < 0 || level >= ctx->Const.MaxTextureLevels) {
- gl_error( ctx, GL_INVALID_VALUE, "glGetTexImage(level)" );
- return;
- }
-
- if (_mesa_sizeof_type(type) <= 0) {
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexImage(type)" );
- return;
- }
-
- if (_mesa_components_in_format(format) <= 0) {
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexImage(format)" );
- return;
- }
-
- if (!pixels)
- return;
-
- texUnit = &(ctx->Texture.Unit[ctx->Texture.CurrentUnit]);
- texObj = _mesa_select_tex_object(ctx, texUnit, target);
- if (!texObj ||
- target == GL_PROXY_TEXTURE_1D ||
- target == GL_PROXY_TEXTURE_2D ||
- target == GL_PROXY_TEXTURE_3D) {
- gl_error(ctx, GL_INVALID_ENUM, "glGetTexImage(target)");
- return;
- }
-
- texImage = _mesa_select_tex_image(ctx, texUnit, target, level);
- if (!texImage) {
- /* invalid mipmap level, not an error */
- return;
- }
-
- if (!texImage->Data) {
- /* try to get the texture image from the device driver */
- _mesa_get_teximage_from_driver(ctx, target, level, texObj);
- discardImage = GL_TRUE;
- }
- else {
- discardImage = GL_FALSE;
- }
-
- if (texImage->Data) {
- GLint width = texImage->Width;
- GLint height = texImage->Height;
- GLint depth = texImage->Depth;
- GLint img, row;
-
- if (ctx->NewState & _NEW_PIXEL)
- gl_update_state(ctx);
-
- if (ctx->_ImageTransferState & IMAGE_CONVOLUTION_BIT) {
- /* convert texture image to GL_RGBA, GL_FLOAT */
- GLfloat *tmpImage, *convImage;
- const GLint comps = components_in_intformat(texImage->Format);
-
- tmpImage = (GLfloat *) MALLOC(width * height * 4 * sizeof(GLfloat));
- if (!tmpImage) {
- gl_error(ctx, GL_OUT_OF_MEMORY, "glGetTexImage");
- return;
- }
- convImage = (GLfloat *) MALLOC(width * height * 4 * sizeof(GLfloat));
- if (!convImage) {
- FREE(tmpImage);
- gl_error(ctx, GL_OUT_OF_MEMORY, "glGetTexImage");
- return;
- }
-
- for (img = 0; img < depth; img++) {
- GLint convWidth, convHeight;
-
- /* convert to GL_RGBA */
- for (row = 0; row < height; row++) {
- const GLchan *src = texImage->Data
- + (img * height + row ) * width * comps;
- GLfloat *dst = tmpImage + row * width * 4;
- _mesa_unpack_float_color_span(ctx, width, GL_RGBA, dst,
- texImage->Format, GL_UNSIGNED_BYTE,
- src, &_mesa_native_packing,
- ctx->_ImageTransferState & IMAGE_PRE_CONVOLUTION_BITS,
- GL_FALSE);
- }
-
- convWidth = width;
- convHeight = height;
-
- /* convolve */
- if (target == GL_TEXTURE_1D) {
- if (ctx->Pixel.Convolution1DEnabled) {
- _mesa_convolve_1d_image(ctx, &convWidth, tmpImage, convImage);
- }
- }
- else {
- if (ctx->Pixel.Convolution2DEnabled) {
- _mesa_convolve_2d_image(ctx, &convWidth, &convHeight,
- tmpImage, convImage);
- }
- else if (ctx->Pixel.Separable2DEnabled) {
- _mesa_convolve_sep_image(ctx, &convWidth, &convHeight,
- tmpImage, convImage);
- }
- }
-
- /* pack convolved image */
- for (row = 0; row < convHeight; row++) {
- const GLfloat *src = convImage + row * convWidth * 4;
- GLvoid *dest = _mesa_image_address(&ctx->Pack, pixels,
- convWidth, convHeight,
- format, type, img, row, 0);
- _mesa_pack_float_rgba_span(ctx, convWidth,
- (const GLfloat(*)[4]) src,
- format, type, dest, &ctx->Pack,
- ctx->_ImageTransferState & IMAGE_POST_CONVOLUTION_BITS);
- }
- }
-
- FREE(tmpImage);
- FREE(convImage);
- }
- else {
- /* no convolution */
- for (img = 0; img < depth; img++) {
- for (row = 0; row < height; row++) {
- /* compute destination address in client memory */
- GLvoid *dest = _mesa_image_address( &ctx->Unpack, pixels,
- width, height, format, type, img, row, 0);
- assert(dest);
- if (texImage->Format == GL_RGBA) {
- /* simple case */
- const GLchan *src = texImage->Data
- + (img * height + row ) * width * 4;
- _mesa_pack_rgba_span( ctx, width, (CONST GLchan (*)[4]) src,
- format, type, dest, &ctx->Pack,
- ctx->_ImageTransferState );
- }
- else {
- /* general case: convert row to RGBA format */
- GLchan rgba[MAX_WIDTH][4];
- GLint i;
- const GLchan *src;
- switch (texImage->Format) {
- case GL_ALPHA:
- src = texImage->Data + row * width;
- for (i = 0; i < width; i++) {
- rgba[i][RCOMP] = CHAN_MAX;
- rgba[i][GCOMP] = CHAN_MAX;
- rgba[i][BCOMP] = CHAN_MAX;
- rgba[i][ACOMP] = src[i];
- }
- break;
- case GL_LUMINANCE:
- src = texImage->Data + row * width;
- for (i = 0; i < width; i++) {
- rgba[i][RCOMP] = src[i];
- rgba[i][GCOMP] = src[i];
- rgba[i][BCOMP] = src[i];
- rgba[i][ACOMP] = CHAN_MAX;
- }
- break;
- case GL_LUMINANCE_ALPHA:
- src = texImage->Data + row * 2 * width;
- for (i = 0; i < width; i++) {
- rgba[i][RCOMP] = src[i*2+0];
- rgba[i][GCOMP] = src[i*2+0];
- rgba[i][BCOMP] = src[i*2+0];
- rgba[i][ACOMP] = src[i*2+1];
- }
- break;
- case GL_INTENSITY:
- src = texImage->Data + row * width;
- for (i = 0; i < width; i++) {
- rgba[i][RCOMP] = src[i];
- rgba[i][GCOMP] = src[i];
- rgba[i][BCOMP] = src[i];
- rgba[i][ACOMP] = CHAN_MAX;
- }
- break;
- case GL_RGB:
- src = texImage->Data + row * 3 * width;
- for (i = 0; i < width; i++) {
- rgba[i][RCOMP] = src[i*3+0];
- rgba[i][GCOMP] = src[i*3+1];
- rgba[i][BCOMP] = src[i*3+2];
- rgba[i][ACOMP] = CHAN_MAX;
- }
- break;
- case GL_COLOR_INDEX:
- gl_problem( ctx, "GL_COLOR_INDEX not implemented in gl_GetTexImage" );
- break;
- case GL_RGBA:
- default:
- gl_problem( ctx, "bad format in gl_GetTexImage" );
- }
- _mesa_pack_rgba_span( ctx, width, (const GLchan (*)[4])rgba,
- format, type, dest, &ctx->Pack,
- ctx->_ImageTransferState );
- } /* format */
- } /* row */
- } /* img */
- } /* convolution */
-
- /* if we got the teximage from the device driver we'll discard it now */
- if (discardImage) {
- FREE(texImage->Data);
- texImage->Data = NULL;
- }
- }
-}
-
-
void
_mesa_TexSubImage1D( GLenum target, GLint level,
struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
- GLboolean success = GL_FALSE;
- adjust_texture_size_for_convolution(ctx, 1, &postConvWidth, NULL);
+ _mesa_adjust_image_for_convolution(ctx, 1, &postConvWidth, NULL);
if (subtexture_error_check(ctx, 1, target, level, xoffset, 0, 0,
postConvWidth, 1, 1, format, type)) {
}
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
- texObj = texUnit->Current1D;
- texImage = texObj->Image[level];
+ texObj = _mesa_select_tex_object(ctx, texUnit, target);
+ texImage = _mesa_select_tex_image(ctx, texUnit, target, level);
assert(texImage);
if (width == 0 || !pixels)
if (ctx->NewState & _NEW_PIXEL)
gl_update_state(ctx);
- if (!ctx->_ImageTransferState && ctx->Driver.TexSubImage1D) {
- success = (*ctx->Driver.TexSubImage1D)( ctx, target, level, xoffset,
- width, format, type, pixels,
- &ctx->Unpack, texObj, texImage );
- }
- if (!success) {
- /* XXX if Driver.TexSubImage1D, unpack image and try again? */
- GLboolean retain = GL_TRUE;
- if (!texImage->Data) {
- _mesa_get_teximage_from_driver( ctx, target, level, texObj );
- if (!texImage->Data) {
- make_null_texture(texImage);
- }
- if (!texImage->Data)
- return; /* we're really out of luck! */
- }
-
- fill_texture_image(ctx, 1, texImage->Format, texImage->Data,
- width, 1, 1, xoffset + texImage->Border, 0, 0, /* size and offsets */
- 0, 0, /* strides */
- format, type, pixels, &ctx->Unpack);
-
- if (ctx->Driver.TexImage1D) {
- (*ctx->Driver.TexImage1D)( ctx, target, level, texImage->Format,
- GL_UNSIGNED_BYTE, texImage->Data,
- &_mesa_native_packing, texObj, texImage,
- &retain );
- }
-
- if (!retain && texImage->Data) {
- FREE(texImage->Data);
- texImage->Data = NULL;
- }
- }
+ ASSERT(ctx->Driver.TexSubImage1D);
+ (*ctx->Driver.TexSubImage1D)(ctx, target, level, xoffset, width,
+ format, type, pixels, &ctx->Unpack,
+ texObj, texImage);
}
struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
- GLboolean success = GL_FALSE;
- adjust_texture_size_for_convolution(ctx, 2, &postConvWidth,&postConvHeight);
+ _mesa_adjust_image_for_convolution(ctx, 2, &postConvWidth,&postConvHeight);
if (subtexture_error_check(ctx, 2, target, level, xoffset, yoffset, 0,
postConvWidth, postConvHeight, 1, format, type)) {
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
texObj = _mesa_select_tex_object(ctx, texUnit, target);
- texImage = texObj->Image[level];
+ texImage = _mesa_select_tex_image(ctx, texUnit, target, level);
assert(texImage);
if (width == 0 || height == 0 || !pixels)
if (ctx->NewState & _NEW_PIXEL)
gl_update_state(ctx);
- if (!ctx->_ImageTransferState && ctx->Driver.TexSubImage2D) {
- success = (*ctx->Driver.TexSubImage2D)( ctx, target, level, xoffset,
- yoffset, width, height, format, type,
- pixels, &ctx->Unpack, texObj, texImage );
- }
- if (!success) {
- /* XXX if Driver.TexSubImage2D, unpack image and try again? */
- const GLint texComps = components_in_intformat(texImage->Format);
- const GLint texRowStride = texImage->Width * texComps;
- GLboolean retain = GL_TRUE;
-
- if (!texImage->Data) {
- _mesa_get_teximage_from_driver( ctx, target, level, texObj );
- if (!texImage->Data) {
- make_null_texture(texImage);
- }
- if (!texImage->Data)
- return; /* we're really out of luck! */
- }
-
- fill_texture_image(ctx, 2, texImage->Format, texImage->Data,
- width, height, 1, xoffset + texImage->Border,
- yoffset + texImage->Border, 0, texRowStride, 0,
- format, type, pixels, &ctx->Unpack);
-
- if (ctx->Driver.TexImage2D) {
- (*ctx->Driver.TexImage2D)(ctx, target, level, texImage->Format,
- GL_UNSIGNED_BYTE, texImage->Data,
- &_mesa_native_packing, texObj, texImage,
- &retain);
- }
-
- if (!retain && texImage->Data) {
- FREE(texImage->Data);
- texImage->Data = NULL;
- }
- }
+ ASSERT(ctx->Driver.TexSubImage2D);
+ (*ctx->Driver.TexSubImage2D)(ctx, target, level, xoffset, yoffset,
+ width, height, format, type, pixels,
+ &ctx->Unpack, texObj, texImage);
}
struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
- GLboolean success = GL_FALSE;
if (subtexture_error_check(ctx, 3, target, level, xoffset, yoffset, zoffset,
width, height, depth, format, type)) {
}
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
- texObj = texUnit->Current3D;
- texImage = texObj->Image[level];
+ texObj = _mesa_select_tex_object(ctx, texUnit, target);
+ texImage = _mesa_select_tex_image(ctx, texUnit, target, level);
assert(texImage);
if (width == 0 || height == 0 || height == 0 || !pixels)
if (ctx->NewState & _NEW_PIXEL)
gl_update_state(ctx);
- if (!ctx->_ImageTransferState && ctx->Driver.TexSubImage3D) {
- success = (*ctx->Driver.TexSubImage3D)( ctx, target, level, xoffset,
- yoffset, zoffset, width, height, depth, format,
- type, pixels, &ctx->Unpack, texObj, texImage );
- }
- if (!success) {
- /* XXX if Driver.TexSubImage3D, unpack image and try again? */
- const GLint texComps = components_in_intformat(texImage->Format);
- const GLint texRowStride = texImage->Width * texComps;
- const GLint texImgStride = texRowStride * texImage->Height;
- GLboolean retain = GL_TRUE;
-
- if (!texImage->Data) {
- _mesa_get_teximage_from_driver( ctx, target, level, texObj );
- if (!texImage->Data) {
- make_null_texture(texImage);
- }
- if (!texImage->Data)
- return; /* we're really out of luck! */
- }
-
- fill_texture_image(ctx, 3, texImage->Format, texImage->Data,
- width, height, depth, xoffset + texImage->Border,
- yoffset + texImage->Border,
- zoffset + texImage->Border, texRowStride,
- texImgStride, format, type, pixels, &ctx->Unpack);
-
- if (ctx->Driver.TexImage3D) {
- (*ctx->Driver.TexImage3D)(ctx, target, level, texImage->Format,
- GL_UNSIGNED_BYTE, texImage->Data,
- &_mesa_native_packing, texObj, texImage,
- &retain);
- }
-
- if (!retain && texImage->Data) {
- FREE(texImage->Data);
- texImage->Data = NULL;
- }
- }
+ ASSERT(ctx->Driver.TexSubImage3D);
+ (*ctx->Driver.TexSubImage3D)(ctx, target, level,
+ xoffset, yoffset, zoffset,
+ width, height, depth,
+ format, type, pixels,
+ &ctx->Unpack, texObj, texImage );
}
if (ctx->NewState & _NEW_PIXEL)
gl_update_state(ctx);
- adjust_texture_size_for_convolution(ctx, 1, &postConvWidth, NULL);
+ _mesa_adjust_image_for_convolution(ctx, 1, &postConvWidth, NULL);
if (copytexture_error_check(ctx, 1, target, level, internalFormat,
postConvWidth, 1, border))
if (ctx->NewState & _NEW_PIXEL)
gl_update_state(ctx);
- adjust_texture_size_for_convolution(ctx, 2, &postConvWidth,&postConvHeight);
+ _mesa_adjust_image_for_convolution(ctx, 2, &postConvWidth,&postConvHeight);
if (copytexture_error_check(ctx, 2, target, level, internalFormat,
postConvWidth, postConvHeight, border))
if (ctx->NewState & _NEW_PIXEL)
gl_update_state(ctx);
- adjust_texture_size_for_convolution(ctx, 1, &postConvWidth, NULL);
+ _mesa_adjust_image_for_convolution(ctx, 1, &postConvWidth, NULL);
if (copytexsubimage_error_check(ctx, 1, target, level,
xoffset, 0, 0, postConvWidth, 1))
if (ctx->NewState & _NEW_PIXEL)
gl_update_state(ctx);
- adjust_texture_size_for_convolution(ctx, 2, &postConvWidth,&postConvHeight);
+ _mesa_adjust_image_for_convolution(ctx, 2, &postConvWidth,&postConvHeight);
if (copytexsubimage_error_check(ctx, 2, target, level, xoffset, yoffset, 0,
postConvWidth, postConvHeight))
if (ctx->NewState & _NEW_PIXEL)
gl_update_state(ctx);
- adjust_texture_size_for_convolution(ctx, 2, &postConvWidth,&postConvHeight);
+ _mesa_adjust_image_for_convolution(ctx, 2, &postConvWidth,&postConvHeight);
if (copytexsubimage_error_check(ctx, 3, target, level, xoffset, yoffset,
zoffset, postConvWidth, postConvHeight))
struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
- GLsizei computedImageSize;
if (texture_error_check(ctx, target, level, internalFormat,
GL_NONE, GL_NONE, 1, width, 1, 1, border)) {
}
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
- texObj = texUnit->Current1D;
- texImage = texObj->Image[level];
+ texObj = _mesa_select_tex_object(ctx, texUnit, target);
+ texImage = _mesa_select_tex_image(ctx, texUnit, target, level);
if (!texImage) {
texImage = _mesa_alloc_texture_image();
texImage->Data = NULL;
}
- /* setup the teximage struct's fields */
- init_texture_image(ctx, texImage, width, 1, 1,
- border, internalFormat);
-
- /* process the texture image */
- if (data) {
- GLboolean retain = GL_TRUE;
- GLboolean success = GL_FALSE;
- if (ctx->Driver.CompressedTexImage1D) {
- success = (*ctx->Driver.CompressedTexImage1D)(ctx, target, level,
- imageSize, data, texObj, texImage, &retain);
- }
- if (retain || !success) {
- /* make internal copy of the texture image */
- computedImageSize = _mesa_compressed_image_size(ctx,
- internalFormat,
- 1, /* num dims */
- width,
- 1, /* height */
- 1); /* depth */
- if (computedImageSize != imageSize) {
- gl_error(ctx, GL_INVALID_VALUE, "glCompressedTexImage1DARB(imageSize)");
- return;
- }
- texImage->Data = MALLOC(computedImageSize);
- if (texImage->Data) {
- MEMCPY(texImage->Data, data, computedImageSize);
- }
- }
- if (!retain && texImage->Data) {
- FREE(texImage->Data);
- texImage->Data = NULL;
- }
- }
- else {
- make_null_texture(texImage);
- if (ctx->Driver.CompressedTexImage1D) {
- GLboolean retain;
- (*ctx->Driver.CompressedTexImage1D)(ctx, target, level, 0,
- texImage->Data, texObj,
- texImage, &retain);
- }
+ if (ctx->Extensions.ARB_texture_compression) {
+ ASSERT(ctx->Driver.CompressedTexImage1D);
+ (*ctx->Driver.CompressedTexImage1D)(ctx, target, level,
+ internalFormat, width, border,
+ imageSize, data,
+ texObj, texImage);
+ ASSERT(texImage->CompressedSize > 0); /* sanity */
}
/* state update */
/* Proxy texture: check for errors and update proxy state */
GLenum error = texture_error_check(ctx, target, level, internalFormat,
GL_NONE, GL_NONE, 1, width, 1, 1, border);
- if (!error && ctx->Driver.TestProxyTexImage) {
+ if (!error) {
+ ASSERT(ctx->Driver.TestProxyTexImage);
error = !(*ctx->Driver.TestProxyTexImage)(ctx, target, level,
internalFormat, GL_NONE, GL_NONE,
width, 1, 1, border);
clear_proxy_teximage(ctx->Texture.Proxy1D->Image[level]);
}
}
- else {
- /* if no error, update proxy texture image parameters */
- init_texture_image(ctx, ctx->Texture.Proxy1D->Image[level],
- width, 1, 1, border, internalFormat);
- }
}
else {
gl_error( ctx, GL_INVALID_ENUM, "glCompressedTexImage1DARB(target)" );
;
}
- if (target==GL_TEXTURE_2D ||
+ if (target == GL_TEXTURE_2D ||
(ctx->Extensions.ARB_texture_cube_map &&
target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB)) {
struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
- GLsizei computedImageSize;
if (texture_error_check(ctx, target, level, internalFormat,
GL_NONE, GL_NONE, 1, width, height, 1, border)) {
}
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
- texObj = texUnit->Current2D;
- texImage = texObj->Image[level];
+ texObj = _mesa_select_tex_object(ctx, texUnit, target);
+ texImage = _mesa_select_tex_image(ctx, texUnit, target, level);
if (!texImage) {
texImage = _mesa_alloc_texture_image();
texImage->Data = NULL;
}
- /* setup the teximage struct's fields */
- init_texture_image(ctx, texImage, width, height, 1, border, internalFormat);
-
- /* process the texture image */
- if (data) {
- GLboolean retain = GL_TRUE;
- GLboolean success = GL_FALSE;
- if (ctx->Driver.CompressedTexImage2D) {
- success = (*ctx->Driver.CompressedTexImage2D)( ctx,
- target,
- level,
- imageSize,
- data,
- texObj,
- texImage,
- &retain);
- }
- if (retain || !success) {
- /* make internal copy of the texture image */
- computedImageSize = _mesa_compressed_image_size(ctx,
- internalFormat,
- 2, /* num dims */
- width,
- height,
- 1); /* depth */
- if (computedImageSize != imageSize) {
- gl_error(ctx, GL_INVALID_VALUE, "glCompressedTexImage2DARB(imageSize)");
- return;
- }
- texImage->Data = MALLOC(computedImageSize);
- if (texImage->Data) {
- MEMCPY(texImage->Data, data, computedImageSize);
- }
- }
- if (!retain && texImage->Data) {
- FREE(texImage->Data);
- texImage->Data = NULL;
- }
- }
- else {
- make_null_texture(texImage);
- if (ctx->Driver.CompressedTexImage2D) {
- GLboolean retain;
- (*ctx->Driver.CompressedTexImage2D)( ctx, target, level, 0,
- texImage->Data, texObj,
- texImage, &retain);
- }
+ if (ctx->Extensions.ARB_texture_compression) {
+ ASSERT(ctx->Driver.CompressedTexImage2D);
+ (*ctx->Driver.CompressedTexImage2D)(ctx, target, level,
+ internalFormat, width, height,
+ border, imageSize, data,
+ texObj, texImage);
+ ASSERT(texImage->CompressedSize > 0); /* sanity */
}
/* state update */
/* Proxy texture: check for errors and update proxy state */
GLenum error = texture_error_check(ctx, target, level, internalFormat,
GL_NONE, GL_NONE, 2, width, height, 1, border);
- if (!error && ctx->Driver.TestProxyTexImage) {
+ if (!error) {
+ ASSERT(ctx->Driver.TestProxyTexImage);
error = !(*ctx->Driver.TestProxyTexImage)(ctx, target, level,
internalFormat, GL_NONE, GL_NONE,
width, height, 1, border);
clear_proxy_teximage(ctx->Texture.Proxy2D->Image[level]);
}
}
- else {
- /* if no error, update proxy texture image parameters */
- init_texture_image(ctx, ctx->Texture.Proxy2D->Image[level],
- width, 1, 1, border, internalFormat);
- }
}
else {
gl_error( ctx, GL_INVALID_ENUM, "glCompressedTexImage2DARB(target)" );
struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
- GLsizei computedImageSize;
if (texture_error_check(ctx, target, level, internalFormat,
GL_NONE, GL_NONE, 1, width, height, depth, border)) {
}
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
- texObj = texUnit->Current3D;
- texImage = texObj->Image[level];
+ texObj = _mesa_select_tex_object(ctx, texUnit, target);
+ texImage = _mesa_select_tex_image(ctx, texUnit, target, level);
if (!texImage) {
texImage = _mesa_alloc_texture_image();
texImage->Data = NULL;
}
- /* setup the teximage struct's fields */
- init_texture_image(ctx, texImage, width, height, depth,
- border, internalFormat);
-
- /* process the texture image */
- if (data) {
- GLboolean retain = GL_TRUE;
- GLboolean success = GL_FALSE;
- if (ctx->Driver.CompressedTexImage3D) {
- success = (*ctx->Driver.CompressedTexImage3D)(ctx, target, level,
- imageSize, data,
- texObj, texImage,
- &retain);
- }
- if (retain || !success) {
- /* make internal copy of the texture image */
- computedImageSize = _mesa_compressed_image_size(ctx,
- internalFormat,
- 3, /* num dims */
- width,
- height,
- depth);
- if (computedImageSize != imageSize) {
- gl_error(ctx, GL_INVALID_VALUE, "glCompressedTexImage3DARB(imageSize)");
- return;
- }
- texImage->Data = MALLOC(computedImageSize);
- if (texImage->Data) {
- MEMCPY(texImage->Data, data, computedImageSize);
- }
- }
- if (!retain && texImage->Data) {
- FREE(texImage->Data);
- texImage->Data = NULL;
- }
- }
- else {
- make_null_texture(texImage);
- if (ctx->Driver.CompressedTexImage3D) {
- GLboolean retain;
- (*ctx->Driver.CompressedTexImage3D)( ctx, target, level, 0,
- texImage->Data, texObj,
- texImage, &retain);
- }
+ if (ctx->Extensions.ARB_texture_compression) {
+ ASSERT(ctx->Driver.CompressedTexImage3D);
+ (*ctx->Driver.CompressedTexImage3D)(ctx, target, level,
+ internalFormat,
+ width, height, depth,
+ border, imageSize, data,
+ texObj, texImage);
+ ASSERT(texImage->CompressedSize > 0); /* sanity */
}
/* state update */
/* Proxy texture: check for errors and update proxy state */
GLenum error = texture_error_check(ctx, target, level, internalFormat,
GL_NONE, GL_NONE, 1, width, height, depth, border);
- if (!error && ctx->Driver.TestProxyTexImage) {
+ if (!error) {
+ ASSERT(ctx->Driver.TestProxyTexImage);
error = !(*ctx->Driver.TestProxyTexImage)(ctx, target, level,
internalFormat, GL_NONE, GL_NONE,
width, height, depth, border);
clear_proxy_teximage(ctx->Texture.Proxy3D->Image[level]);
}
}
- else {
- /* if no error, update proxy texture image parameters */
- init_texture_image(ctx, ctx->Texture.Proxy3D->Image[level],
- width, 1, 1, border, internalFormat);
- }
}
else {
gl_error( ctx, GL_INVALID_ENUM, "glCompressedTexImage3DARB(target)" );
struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
- GLboolean success = GL_FALSE;
if (subtexture_error_check(ctx, 1, target, level, xoffset, 0, 0,
width, 1, 1, format, GL_NONE)) {
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
texObj = _mesa_select_tex_object(ctx, texUnit, target);
- texImage = texObj->Image[level];
+ texImage = _mesa_select_tex_image(ctx, texUnit, target, level);
assert(texImage);
if (width == 0 || !data)
return; /* no-op, not an error */
if (ctx->Driver.CompressedTexSubImage1D) {
- success = (*ctx->Driver.CompressedTexSubImage1D)(ctx, target, level,
- xoffset, width, format, imageSize, data, texObj, texImage);
- }
- if (!success) {
- /* XXX what else can we do? */
- gl_problem(ctx, "glCompressedTexSubImage1DARB failed!");
- return;
+ (*ctx->Driver.CompressedTexSubImage1D)(ctx, target, level,
+ xoffset, width,
+ format, imageSize, data,
+ texObj, texImage);
}
}
struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
- GLboolean success = GL_FALSE;
if (subtexture_error_check(ctx, 2, target, level, xoffset, yoffset, 0,
width, height, 1, format, GL_NONE)) {
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
texObj = _mesa_select_tex_object(ctx, texUnit, target);
- texImage = texObj->Image[level];
+ texImage = _mesa_select_tex_image(ctx, texUnit, target, level);
assert(texImage);
if (width == 0 || height == 0 || !data)
return; /* no-op, not an error */
if (ctx->Driver.CompressedTexSubImage2D) {
- success = (*ctx->Driver.CompressedTexSubImage2D)(ctx, target, level,
- xoffset, yoffset, width, height, format,
- imageSize, data, texObj, texImage);
- }
- if (!success) {
- /* XXX what else can we do? */
- gl_problem(ctx, "glCompressedTexSubImage2DARB failed!");
- return;
+ (*ctx->Driver.CompressedTexSubImage2D)(ctx, target, level,
+ xoffset, yoffset, width, height,
+ format, imageSize, data,
+ texObj, texImage);
}
}
struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
- GLboolean success = GL_FALSE;
if (subtexture_error_check(ctx, 3, target, level, xoffset, yoffset, zoffset,
width, height, depth, format, GL_NONE)) {
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
texObj = _mesa_select_tex_object(ctx, texUnit, target);
- texImage = texObj->Image[level];
+ texImage = _mesa_select_tex_image(ctx, texUnit, target, level);
assert(texImage);
if (width == 0 || height == 0 || depth == 0 || !data)
return; /* no-op, not an error */
if (ctx->Driver.CompressedTexSubImage3D) {
- success = (*ctx->Driver.CompressedTexSubImage3D)(ctx, target, level,
- xoffset, yoffset, zoffset, width, height, depth,
- format, imageSize, data, texObj, texImage);
- }
- if (!success) {
- /* XXX what else can we do? */
- gl_problem(ctx, "glCompressedTexSubImage3DARB failed!");
- return;
+ (*ctx->Driver.CompressedTexSubImage3D)(ctx, target, level,
+ xoffset, yoffset, zoffset,
+ width, height, depth,
+ format, imageSize, data,
+ texObj, texImage);
}
}
_mesa_GetCompressedTexImageARB(GLenum target, GLint level, GLvoid *img)
{
GET_CURRENT_CONTEXT(ctx);
+ const struct gl_texture_unit *texUnit;
const struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
return;
}
- switch (target) {
- case GL_TEXTURE_1D:
- texObj = ctx->Texture.Unit[ctx->Texture.CurrentUnit].Current1D;
- texImage = texObj->Image[level];
- break;
- case GL_TEXTURE_2D:
- texObj = ctx->Texture.Unit[ctx->Texture.CurrentUnit].Current2D;
- texImage = texObj->Image[level];
- break;
- case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB:
- texObj = ctx->Texture.Unit[ctx->Texture.CurrentUnit].CurrentCubeMap;
- texImage = texObj->Image[level];
- break;
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB:
- texObj = ctx->Texture.Unit[ctx->Texture.CurrentUnit].CurrentCubeMap;
- texImage = texObj->NegX[level];
- break;
- case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB:
- texObj = ctx->Texture.Unit[ctx->Texture.CurrentUnit].CurrentCubeMap;
- texImage = texObj->PosY[level];
- break;
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB:
- texObj = ctx->Texture.Unit[ctx->Texture.CurrentUnit].CurrentCubeMap;
- texImage = texObj->NegY[level];
- break;
- case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB:
- texObj = ctx->Texture.Unit[ctx->Texture.CurrentUnit].CurrentCubeMap;
- texImage = texObj->PosZ[level];
- break;
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB:
- texObj = ctx->Texture.Unit[ctx->Texture.CurrentUnit].CurrentCubeMap;
- texImage = texObj->NegZ[level];
- break;
- case GL_TEXTURE_3D:
- texObj = ctx->Texture.Unit[ctx->Texture.CurrentUnit].Current3D;
- texImage = texObj->Image[level];
- break;
- default:
- gl_error(ctx, GL_INVALID_ENUM, "glGetCompressedTexImageARB(target)");
- return;
+ if (is_proxy_target(target)) {
+ gl_error(ctx, GL_INVALID_ENUM, "glGetCompressedTexImageARB(target)");
+ return;
}
+ texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texObj = _mesa_select_tex_object(ctx, texUnit, target);
+ texImage = _mesa_select_tex_image(ctx, texUnit, target, level);
+
if (!texImage) {
/* invalid mipmap level */
gl_error(ctx, GL_INVALID_VALUE, "glGetCompressedTexImageARB(level)");
if (!img)
return;
- if (ctx->Driver.GetCompressedTexImage) {
+ if (ctx->Extensions.ARB_texture_compression) {
+ ASSERT(ctx->Driver.GetCompressedTexImage);
(*ctx->Driver.GetCompressedTexImage)(ctx, target, level, img, texObj,
texImage);
}
- else {
- gl_problem(ctx, "Driver doesn't implement GetCompressedTexImage");
- }
}
-/* $Id: teximage.h,v 1.15 2000/11/22 07:32:17 joukj Exp $ */
+/* $Id: teximage.h,v 1.16 2001/02/06 21:42:48 brianp Exp $ */
/*
* Mesa 3-D graphics library
_mesa_free_texture_image( struct gl_texture_image *teximage );
-extern GLuint
-_mesa_compressed_image_size(GLcontext *ctx,
- GLenum internalFormat,
- GLint numDimensions,
- GLint width, GLint height, GLint depth);
-
-
extern struct gl_texture_object *
_mesa_select_tex_object(GLcontext *ctx, const struct gl_texture_unit *texUnit,
GLenum target);
GLenum target, GLint level);
-extern void
-_mesa_get_teximage_from_driver(GLcontext *ctx, GLenum target, GLint level,
- const struct gl_texture_object *texObj);
-
-
-extern GLboolean
-_mesa_get_teximages_from_driver(GLcontext *ctx,
- struct gl_texture_object *texObj);
-
-
/*** API entry point functions ***/
-/* $Id: texstate.c,v 1.29 2001/01/29 20:47:39 keithw Exp $ */
+/* $Id: texstate.c,v 1.30 2001/02/06 21:42:48 brianp Exp $ */
/*
* Mesa 3-D graphics library
#include "texobj.h"
#include "teximage.h"
#include "texstate.h"
-#include "texture.h"
#include "mtypes.h"
#include "math/m_xform.h"
#include "math/m_matrix.h"
-/* $Id: texstate.h,v 1.5 2000/11/22 07:32:17 joukj Exp $ */
+/* $Id: texstate.h,v 1.6 2001/02/06 21:42:48 brianp Exp $ */
/*
* Mesa 3-D graphics library
- * Version: 3.1
+ * Version: 3.5
*
- * Copyright (C) 1999 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2001 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
*/
-
-
-
#ifndef TEXSTATE_H
#define TEXSTATE_H
-extern void gl_SelectTextureTransform( GLcontext *ctx, GLenum target );
-
/*
* GL_ARB_multitexture
--- /dev/null
+/* $Id: texstore.c,v 1.1 2001/02/06 21:42:48 brianp Exp $ */
+
+/*
+ * Mesa 3-D graphics library
+ * Version: 3.5
+ *
+ * Copyright (C) 1999-2001 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * Authors:
+ * Brian Paul
+ */
+
+
+/*
+ * The functions in this file are mostly related to software texture fallbacks.
+ * This includes texture image transfer/packing and texel fetching.
+ * Hardware drivers will likely override most of this.
+ */
+
+
+
+#include "context.h"
+#include "convolve.h"
+#include "image.h"
+#include "macros.h"
+#include "mem.h"
+#include "teximage.h"
+#include "texstore.h"
+
+
+/*
+ * Get texture palette entry.
+ */
+static void
+palette_sample(GLcontext *ctx,
+ const struct gl_texture_object *tObj,
+ GLint index, GLchan rgba[4] )
+{
+ const GLchan *palette;
+ GLenum format;
+
+ if (ctx->Texture.SharedPalette) {
+ ASSERT(!ctx->Texture.Palette.FloatTable);
+ palette = (const GLchan *) ctx->Texture.Palette.Table;
+ format = ctx->Texture.Palette.Format;
+ }
+ else {
+ ASSERT(!tObj->Palette.FloatTable);
+ palette = (const GLchan *) tObj->Palette.Table;
+ format = tObj->Palette.Format;
+ }
+
+ switch (format) {
+ case GL_ALPHA:
+ rgba[ACOMP] = palette[index];
+ return;
+ case GL_LUMINANCE:
+ case GL_INTENSITY:
+ rgba[RCOMP] = palette[index];
+ return;
+ case GL_LUMINANCE_ALPHA:
+ rgba[RCOMP] = palette[(index << 1) + 0];
+ rgba[ACOMP] = palette[(index << 1) + 1];
+ return;
+ case GL_RGB:
+ rgba[RCOMP] = palette[index * 3 + 0];
+ rgba[GCOMP] = palette[index * 3 + 1];
+ rgba[BCOMP] = palette[index * 3 + 2];
+ return;
+ case GL_RGBA:
+ rgba[RCOMP] = palette[(index << 2) + 0];
+ rgba[GCOMP] = palette[(index << 2) + 1];
+ rgba[BCOMP] = palette[(index << 2) + 2];
+ rgba[ACOMP] = palette[(index << 2) + 3];
+ return;
+ default:
+ gl_problem(NULL, "Bad palette format in palette_sample");
+ }
+}
+
+
+
+/*
+ * Default 1-D texture texel fetch function. This will typically be
+ * overridden by hardware drivers which store their texture images in
+ * special ways.
+ */
+static void
+fetch_1d_texel(GLcontext *ctx,
+ const struct gl_texture_object *tObj,
+ const struct gl_texture_image *img,
+ GLint i, GLint j, GLint k, GLchan rgba[4])
+{
+ const GLchan *data = (GLchan *) img->Data;
+ const GLchan *texel;
+#ifdef DEBUG
+ GLint width = img->Width;
+ assert(i >= 0);
+ assert(i < width);
+#endif
+
+ switch (img->Format) {
+ case GL_COLOR_INDEX:
+ {
+ GLint index = data[i];
+ palette_sample(ctx, tObj, index, rgba);
+ return;
+ }
+ case GL_ALPHA:
+ rgba[ACOMP] = data[i];
+ return;
+ case GL_LUMINANCE:
+ case GL_INTENSITY:
+ rgba[RCOMP] = data[i];
+ return;
+ case GL_LUMINANCE_ALPHA:
+ texel = data + i * 2;
+ rgba[RCOMP] = texel[0];
+ rgba[ACOMP] = texel[1];
+ return;
+ case GL_RGB:
+ texel = data + i * 3;
+ rgba[RCOMP] = texel[0];
+ rgba[GCOMP] = texel[1];
+ rgba[BCOMP] = texel[2];
+ return;
+ case GL_RGBA:
+ texel = data + i * 4;
+ rgba[RCOMP] = texel[0];
+ rgba[GCOMP] = texel[1];
+ rgba[BCOMP] = texel[2];
+ rgba[ACOMP] = texel[3];
+ return;
+ default:
+ gl_problem(NULL, "Bad format in fetch_1d_texel");
+ return;
+ }
+}
+
+
+/*
+ * Default 2-D texture texel fetch function.
+ */
+static void
+fetch_2d_texel(GLcontext *ctx,
+ const struct gl_texture_object *tObj,
+ const struct gl_texture_image *img,
+ GLint i, GLint j, GLint k, GLchan rgba[4])
+{
+ const GLint width = img->Width; /* includes border */
+ const GLchan *data = (GLchan *) img->Data;
+ const GLchan *texel;
+
+#ifdef DEBUG
+ const GLint height = img->Height; /* includes border */
+ assert(i >= 0);
+ assert(i < width);
+ assert(j >= 0);
+ assert(j < height);
+#endif
+
+ switch (img->Format) {
+ case GL_COLOR_INDEX:
+ {
+ GLint index = data[width *j + i];
+ palette_sample(ctx, tObj, index, rgba );
+ return;
+ }
+ case GL_ALPHA:
+ rgba[ACOMP] = data[width * j + i];
+ return;
+ case GL_LUMINANCE:
+ case GL_INTENSITY:
+ rgba[RCOMP] = data[ width * j + i];
+ return;
+ case GL_LUMINANCE_ALPHA:
+ texel = data + (width * j + i) * 2;
+ rgba[RCOMP] = texel[0];
+ rgba[ACOMP] = texel[1];
+ return;
+ case GL_RGB:
+ texel = data + (width * j + i) * 3;
+ rgba[RCOMP] = texel[0];
+ rgba[GCOMP] = texel[1];
+ rgba[BCOMP] = texel[2];
+ return;
+ case GL_RGBA:
+ texel = data + (width * j + i) * 4;
+ rgba[RCOMP] = texel[0];
+ rgba[GCOMP] = texel[1];
+ rgba[BCOMP] = texel[2];
+ rgba[ACOMP] = texel[3];
+ return;
+ default:
+ gl_problem(NULL, "Bad format in fetch_2d_texel");
+ }
+}
+
+
+/*
+ * Default 2-D texture texel fetch function.
+ */
+static void
+fetch_3d_texel(GLcontext *ctx,
+ const struct gl_texture_object *tObj,
+ const struct gl_texture_image *img,
+ GLint i, GLint j, GLint k, GLchan rgba[4])
+{
+ const GLint width = img->Width; /* includes border */
+ const GLint height = img->Height; /* includes border */
+ const GLint rectarea = width * height;
+ const GLchan *data = (GLchan *) img->Data;
+ const GLchan *texel;
+
+#ifdef DEBUG
+ const GLint depth = img->Depth; /* includes border */
+ assert(i >= 0);
+ assert(i < width);
+ assert(j >= 0);
+ assert(j < height);
+ assert(k >= 0);
+ assert(k < depth);
+#endif
+
+ switch (img->Format) {
+ case GL_COLOR_INDEX:
+ {
+ GLint index = data[ rectarea * k + width * j + i ];
+ palette_sample(ctx, tObj, index, rgba );
+ return;
+ }
+ case GL_ALPHA:
+ rgba[ACOMP] = data[ rectarea * k + width * j + i ];
+ return;
+ case GL_LUMINANCE:
+ case GL_INTENSITY:
+ rgba[RCOMP] = data[ rectarea * k + width * j + i ];
+ return;
+ case GL_LUMINANCE_ALPHA:
+ texel = data + ( rectarea * k + width * j + i) * 2;
+ rgba[RCOMP] = texel[0];
+ rgba[ACOMP] = texel[1];
+ return;
+ case GL_RGB:
+ texel = data + (rectarea * k + width * j + i) * 3;
+ rgba[RCOMP] = texel[0];
+ rgba[GCOMP] = texel[1];
+ rgba[BCOMP] = texel[2];
+ return;
+ case GL_RGBA:
+ texel = data + (rectarea * k + width * j + i) * 4;
+ rgba[RCOMP] = texel[0];
+ rgba[GCOMP] = texel[1];
+ rgba[BCOMP] = texel[2];
+ rgba[ACOMP] = texel[3];
+ return;
+ default:
+ gl_problem(NULL, "Bad format in fetch_3d_texel");
+ }
+}
+
+
+
+/*
+ * Examine the texImage->Format field and set the Red, Green, Blue, etc
+ * texel component sizes to default values.
+ * These fields are set only here by core Mesa but device drivers may
+ * overwritting these fields to indicate true texel resolution.
+ */
+static void
+set_teximage_component_sizes( struct gl_texture_image *texImage )
+{
+ switch (texImage->Format) {
+ case GL_ALPHA:
+ texImage->RedBits = 0;
+ texImage->GreenBits = 0;
+ texImage->BlueBits = 0;
+ texImage->AlphaBits = 8 * sizeof(GLchan);
+ texImage->IntensityBits = 0;
+ texImage->LuminanceBits = 0;
+ texImage->IndexBits = 0;
+ break;
+ case GL_LUMINANCE:
+ texImage->RedBits = 0;
+ texImage->GreenBits = 0;
+ texImage->BlueBits = 0;
+ texImage->AlphaBits = 0;
+ texImage->IntensityBits = 0;
+ texImage->LuminanceBits = 8 * sizeof(GLchan);
+ texImage->IndexBits = 0;
+ break;
+ case GL_LUMINANCE_ALPHA:
+ texImage->RedBits = 0;
+ texImage->GreenBits = 0;
+ texImage->BlueBits = 0;
+ texImage->AlphaBits = 8 * sizeof(GLchan);
+ texImage->IntensityBits = 0;
+ texImage->LuminanceBits = 8 * sizeof(GLchan);
+ texImage->IndexBits = 0;
+ break;
+ case GL_INTENSITY:
+ texImage->RedBits = 0;
+ texImage->GreenBits = 0;
+ texImage->BlueBits = 0;
+ texImage->AlphaBits = 0;
+ texImage->IntensityBits = 8 * sizeof(GLchan);
+ texImage->LuminanceBits = 0;
+ texImage->IndexBits = 0;
+ break;
+ case GL_RED:
+ texImage->RedBits = 8 * sizeof(GLchan);
+ texImage->GreenBits = 0;
+ texImage->BlueBits = 0;
+ texImage->AlphaBits = 0;
+ texImage->IntensityBits = 0;
+ texImage->LuminanceBits = 0;
+ texImage->IndexBits = 0;
+ break;
+ case GL_GREEN:
+ texImage->RedBits = 0;
+ texImage->GreenBits = 8 * sizeof(GLchan);
+ texImage->BlueBits = 0;
+ texImage->AlphaBits = 0;
+ texImage->IntensityBits = 0;
+ texImage->LuminanceBits = 0;
+ texImage->IndexBits = 0;
+ break;
+ case GL_BLUE:
+ texImage->RedBits = 0;
+ texImage->GreenBits = 0;
+ texImage->BlueBits = 8 * sizeof(GLchan);
+ texImage->AlphaBits = 0;
+ texImage->IntensityBits = 0;
+ texImage->LuminanceBits = 0;
+ texImage->IndexBits = 0;
+ break;
+ case GL_RGB:
+ case GL_BGR:
+ texImage->RedBits = 8 * sizeof(GLchan);
+ texImage->GreenBits = 8 * sizeof(GLchan);
+ texImage->BlueBits = 8 * sizeof(GLchan);
+ texImage->AlphaBits = 0;
+ texImage->IntensityBits = 0;
+ texImage->LuminanceBits = 0;
+ texImage->IndexBits = 0;
+ break;
+ case GL_RGBA:
+ case GL_BGRA:
+ case GL_ABGR_EXT:
+ texImage->RedBits = 8 * sizeof(GLchan);
+ texImage->GreenBits = 8 * sizeof(GLchan);
+ texImage->BlueBits = 8 * sizeof(GLchan);
+ texImage->AlphaBits = 8 * sizeof(GLchan);
+ texImage->IntensityBits = 0;
+ texImage->LuminanceBits = 0;
+ texImage->IndexBits = 0;
+ break;
+ case GL_COLOR_INDEX:
+ texImage->RedBits = 0;
+ texImage->GreenBits = 0;
+ texImage->BlueBits = 0;
+ texImage->AlphaBits = 0;
+ texImage->IntensityBits = 0;
+ texImage->LuminanceBits = 0;
+ texImage->IndexBits = 8 * sizeof(GLchan);
+ break;
+ default:
+ gl_problem(NULL, "unexpected format in set_teximage_component_sizes");
+ }
+}
+
+
+/*
+ * Compute log base 2 of n.
+ * If n isn't an exact power of two return -1.
+ * If n<0 return -1.
+ */
+static int
+logbase2( int n )
+{
+ GLint i = 1;
+ GLint log2 = 0;
+
+ if (n<0) {
+ return -1;
+ }
+
+ while ( n > i ) {
+ i *= 2;
+ log2++;
+ }
+ if (i != n) {
+ return -1;
+ }
+ else {
+ return log2;
+ }
+}
+
+
+
+/*
+ * Return GL_TRUE if internalFormat is a compressed format, return GL_FALSE
+ * otherwise.
+ */
+static GLboolean
+is_compressed_format(GLcontext *ctx, GLenum internalFormat)
+{
+ if (ctx->Driver.IsCompressedFormat) {
+ return (*ctx->Driver.IsCompressedFormat)(ctx, internalFormat);
+ }
+ return GL_FALSE;
+}
+
+
+
+/*
+ * Initialize most fields of a gl_texture_image struct.
+ */
+static void
+init_teximage_fields( GLcontext *ctx,
+ struct gl_texture_image *img,
+ GLsizei width, GLsizei height, GLsizei depth,
+ GLint border, GLenum internalFormat )
+{
+ ASSERT(img);
+ ASSERT(!img->Data);
+ img->Format = (GLenum) _mesa_base_tex_format(ctx, internalFormat);
+ img->Type = CHAN_TYPE; /* usually GL_UNSIGNED_BYTE */
+ set_teximage_component_sizes( img );
+ img->IntFormat = internalFormat;
+ img->Border = border;
+ img->Width = width;
+ img->Height = height;
+ img->Depth = depth;
+ img->WidthLog2 = logbase2(width - 2 * border);
+ if (height == 1) /* 1-D texture */
+ img->HeightLog2 = 0;
+ else
+ img->HeightLog2 = logbase2(height - 2 * border);
+ if (depth == 1) /* 2-D texture */
+ img->DepthLog2 = 0;
+ else
+ img->DepthLog2 = logbase2(depth - 2 * border);
+ img->Width2 = 1 << img->WidthLog2;
+ img->Height2 = 1 << img->HeightLog2;
+ img->Depth2 = 1 << img->DepthLog2;
+ img->MaxLog2 = MAX2(img->WidthLog2, img->HeightLog2);
+ img->IsCompressed = is_compressed_format(ctx, internalFormat);
+
+ if (height == 1 && depth == 1) {
+ img->FetchTexel = fetch_1d_texel;
+ }
+ else if (depth == 1) {
+ img->FetchTexel = fetch_2d_texel;
+ }
+ else {
+ img->FetchTexel = fetch_3d_texel;
+ }
+}
+
+
+
+/*
+ * Given an internal texture format enum or 1, 2, 3, 4 return the
+ * corresponding _base_ internal format: GL_ALPHA, GL_LUMINANCE,
+ * GL_LUMANCE_ALPHA, GL_INTENSITY, GL_RGB, or GL_RGBA. Return the
+ * number of components for the format. Return -1 if invalid enum.
+ */
+static GLint
+components_in_intformat( GLint format )
+{
+ switch (format) {
+ case GL_ALPHA:
+ case GL_ALPHA4:
+ case GL_ALPHA8:
+ case GL_ALPHA12:
+ case GL_ALPHA16:
+ return 1;
+ case 1:
+ case GL_LUMINANCE:
+ case GL_LUMINANCE4:
+ case GL_LUMINANCE8:
+ case GL_LUMINANCE12:
+ case GL_LUMINANCE16:
+ return 1;
+ case 2:
+ case GL_LUMINANCE_ALPHA:
+ case GL_LUMINANCE4_ALPHA4:
+ case GL_LUMINANCE6_ALPHA2:
+ case GL_LUMINANCE8_ALPHA8:
+ case GL_LUMINANCE12_ALPHA4:
+ case GL_LUMINANCE12_ALPHA12:
+ case GL_LUMINANCE16_ALPHA16:
+ return 2;
+ case GL_INTENSITY:
+ case GL_INTENSITY4:
+ case GL_INTENSITY8:
+ case GL_INTENSITY12:
+ case GL_INTENSITY16:
+ return 1;
+ case 3:
+ case GL_RGB:
+ case GL_R3_G3_B2:
+ case GL_RGB4:
+ case GL_RGB5:
+ case GL_RGB8:
+ case GL_RGB10:
+ case GL_RGB12:
+ case GL_RGB16:
+ return 3;
+ case 4:
+ case GL_RGBA:
+ case GL_RGBA2:
+ case GL_RGBA4:
+ case GL_RGB5_A1:
+ case GL_RGBA8:
+ case GL_RGB10_A2:
+ case GL_RGBA12:
+ case GL_RGBA16:
+ return 4;
+ case GL_COLOR_INDEX:
+ case GL_COLOR_INDEX1_EXT:
+ case GL_COLOR_INDEX2_EXT:
+ case GL_COLOR_INDEX4_EXT:
+ case GL_COLOR_INDEX8_EXT:
+ case GL_COLOR_INDEX12_EXT:
+ case GL_COLOR_INDEX16_EXT:
+ return 1;
+ default:
+ return -1; /* error */
+ }
+}
+
+
+/*
+ * This function is used to transfer the user's image data into a texture
+ * image buffer. We handle both full texture images and subtexture images.
+ * We also take care of all image transfer operations here, including
+ * convolution, scale/bias, colortables, etc.
+ *
+ * The destination texel channel type is always GLchan.
+ *
+ * A hardware driver may use this as a helper routine to unpack and
+ * apply pixel transfer ops into a temporary image buffer. Then,
+ * convert the temporary image into the special hardware format.
+ *
+ * Input:
+ * dimensions - 1, 2, or 3
+ * texFormat - GL_LUMINANCE, GL_INTENSITY, GL_LUMINANCE_ALPHA, GL_ALPHA,
+ * GL_RGB or GL_RGBA
+ * texAddr - destination image address
+ * srcWidth, srcHeight, srcDepth - size (in pixels) of src and dest images
+ * dstXoffset, dstYoffset, dstZoffset - position to store the image within
+ * the destination 3D texture
+ * dstRowStride, dstImageStride - dest image strides in GLchan's
+ * srcFormat - source image format (GL_ALPHA, GL_RED, GL_RGB, etc)
+ * srcType - GL_UNSIGNED_BYTE, GL_UNSIGNED_SHORT_5_6_5, GL_FLOAT, etc
+ * srcPacking - describes packing of incoming image.
+ */
+void
+_mesa_transfer_teximage(GLcontext *ctx, GLuint dimensions,
+ GLenum texFormat, GLchan *texAddr,
+ GLint srcWidth, GLint srcHeight, GLint srcDepth,
+ GLint dstXoffset, GLint dstYoffset, GLint dstZoffset,
+ GLint dstRowStride, GLint dstImageStride,
+ GLenum srcFormat, GLenum srcType,
+ const GLvoid *srcAddr,
+ const struct gl_pixelstore_attrib *srcPacking)
+{
+ GLint texComponents;
+
+ ASSERT(ctx);
+ ASSERT(dimensions >= 1 && dimensions <= 3);
+ ASSERT(texAddr);
+ ASSERT(srcWidth >= 1);
+ ASSERT(srcHeight >= 1);
+ ASSERT(srcDepth >= 1);
+ ASSERT(dstXoffset >= 0);
+ ASSERT(dstYoffset >= 0);
+ ASSERT(dstZoffset >= 0);
+ ASSERT(dstRowStride >= 0);
+ ASSERT(dstImageStride >= 0);
+ ASSERT(srcAddr);
+ ASSERT(srcPacking);
+
+ texComponents = components_in_intformat(texFormat);
+
+ /* try common 2D texture cases first */
+ if (!ctx->_ImageTransferState && dimensions == 2
+ && srcType == GL_UNSIGNED_BYTE) {
+
+ if (srcFormat == texFormat) {
+ /* This will cover the common GL_RGB, GL_RGBA, GL_ALPHA,
+ * GL_LUMINANCE_ALPHA, etc. texture formats. Use memcpy().
+ */
+ const GLchan *src = (const GLchan *) _mesa_image_address(
+ srcPacking, srcAddr, srcWidth, srcHeight,
+ srcFormat, srcType, 0, 0, 0);
+ const GLint srcRowStride = _mesa_image_row_stride(srcPacking,
+ srcWidth, srcFormat, srcType);
+ const GLint widthInBytes = srcWidth * texComponents * sizeof(GLchan);
+ GLchan *dst = texAddr + dstYoffset * dstRowStride
+ + dstXoffset * texComponents;
+ if (srcRowStride == widthInBytes && dstRowStride == widthInBytes) {
+ MEMCPY(dst, src, srcHeight * widthInBytes);
+ }
+ else {
+ GLint i;
+ for (i = 0; i < srcHeight; i++) {
+ MEMCPY(dst, src, widthInBytes);
+ src += srcRowStride;
+ dst += dstRowStride;
+ }
+ }
+ return; /* all done */
+ }
+ else if (srcFormat == GL_RGBA && texFormat == GL_RGB) {
+ /* commonly used by Quake */
+ const GLchan *src = (const GLchan *) _mesa_image_address(
+ srcPacking, srcAddr, srcWidth, srcHeight,
+ srcFormat, srcType, 0, 0, 0);
+ const GLint srcRowStride = _mesa_image_row_stride(srcPacking,
+ srcWidth, srcFormat, srcType);
+ GLchan *dst = texAddr + dstYoffset * dstRowStride
+ + dstXoffset * texComponents;
+ GLint i, j;
+ for (i = 0; i < srcHeight; i++) {
+ const GLchan *s = src;
+ GLchan *d = dst;
+ for (j = 0; j < srcWidth; j++) {
+ *d++ = *s++; /*red*/
+ *d++ = *s++; /*green*/
+ *d++ = *s++; /*blue*/
+ s++; /*alpha*/
+ }
+ src += srcRowStride;
+ dst += dstRowStride;
+ }
+ return; /* all done */
+ }
+ }
+
+ /*
+ * General case solutions
+ */
+ if (texFormat == GL_COLOR_INDEX) {
+ /* color index texture */
+ const GLenum texType = GL_UNSIGNED_BYTE;
+ GLint img, row;
+ GLchan *dest = texAddr + dstZoffset * dstImageStride
+ + dstYoffset * dstRowStride
+ + dstXoffset * texComponents;
+ for (img = 0; img < srcDepth; img++) {
+ GLchan *destRow = dest;
+ for (row = 0; row < srcHeight; row++) {
+ const GLvoid *src = _mesa_image_address(srcPacking,
+ srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0);
+ _mesa_unpack_index_span(ctx, srcWidth, texType, destRow,
+ srcType, src, srcPacking,
+ ctx->_ImageTransferState);
+ destRow += dstRowStride;
+ }
+ dest += dstImageStride;
+ }
+ }
+ else {
+ /* regular, color texture */
+ if ((dimensions == 1 && ctx->Pixel.Convolution1DEnabled) ||
+ (dimensions >= 2 && ctx->Pixel.Convolution2DEnabled) ||
+ (dimensions >= 2 && ctx->Pixel.Separable2DEnabled)) {
+ /*
+ * Fill texture image with convolution
+ */
+ GLint img, row;
+ GLint convWidth = srcWidth, convHeight = srcHeight;
+ GLfloat *tmpImage, *convImage;
+ tmpImage = (GLfloat *) MALLOC(srcWidth * srcHeight * 4 * sizeof(GLfloat));
+ if (!tmpImage) {
+ gl_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
+ return;
+ }
+ convImage = (GLfloat *) MALLOC(srcWidth * srcHeight * 4 * sizeof(GLfloat));
+ if (!convImage) {
+ gl_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
+ FREE(tmpImage);
+ return;
+ }
+
+ for (img = 0; img < srcDepth; img++) {
+ const GLfloat *srcf;
+ GLfloat *dstf = tmpImage;
+ GLchan *dest;
+
+ /* unpack and do transfer ops up to convolution */
+ for (row = 0; row < srcHeight; row++) {
+ const GLvoid *src = _mesa_image_address(srcPacking,
+ srcAddr, srcWidth, srcHeight,
+ srcFormat, srcType, img, row, 0);
+ _mesa_unpack_float_color_span(ctx, srcWidth, GL_RGBA, dstf,
+ srcFormat, srcType, src, srcPacking,
+ ctx->_ImageTransferState & IMAGE_PRE_CONVOLUTION_BITS,
+ GL_TRUE);
+ dstf += srcWidth * 4;
+ }
+
+ /* convolve */
+ if (dimensions == 1) {
+ ASSERT(ctx->Pixel.Convolution1DEnabled);
+ _mesa_convolve_1d_image(ctx, &convWidth, tmpImage, convImage);
+ }
+ else {
+ if (ctx->Pixel.Convolution2DEnabled) {
+ _mesa_convolve_2d_image(ctx, &convWidth, &convHeight,
+ tmpImage, convImage);
+ }
+ else {
+ ASSERT(ctx->Pixel.Separable2DEnabled);
+ _mesa_convolve_sep_image(ctx, &convWidth, &convHeight,
+ tmpImage, convImage);
+ }
+ }
+
+ /* packing and transfer ops after convolution */
+ srcf = convImage;
+ dest = texAddr + (dstZoffset + img) * dstImageStride
+ + dstYoffset * dstRowStride;
+ for (row = 0; row < convHeight; row++) {
+ _mesa_pack_float_rgba_span(ctx, convWidth,
+ (const GLfloat (*)[4]) srcf,
+ texFormat, GL_UNSIGNED_BYTE,
+ dest, &_mesa_native_packing,
+ ctx->_ImageTransferState
+ & IMAGE_POST_CONVOLUTION_BITS);
+ srcf += convWidth * 4;
+ dest += dstRowStride;
+ }
+ }
+
+ FREE(convImage);
+ FREE(tmpImage);
+ }
+ else {
+ /*
+ * no convolution
+ */
+ GLint img, row;
+ GLchan *dest = texAddr + dstZoffset * dstImageStride
+ + dstYoffset * dstRowStride
+ + dstXoffset * texComponents;
+ for (img = 0; img < srcDepth; img++) {
+ GLchan *destRow = dest;
+ for (row = 0; row < srcHeight; row++) {
+ const GLvoid *srcRow = _mesa_image_address(srcPacking,
+ srcAddr, srcWidth, srcHeight,
+ srcFormat, srcType, img, row, 0);
+ _mesa_unpack_chan_color_span(ctx, srcWidth, texFormat, destRow,
+ srcFormat, srcType, srcRow, srcPacking,
+ ctx->_ImageTransferState);
+ destRow += dstRowStride;
+ }
+ dest += dstImageStride;
+ }
+ }
+ }
+}
+
+
+
+/*
+ * This is the software fallback for Driver.TexImage1D().
+ * The texture image type will be GLchan.
+ * The texture image format will be GL_COLOR_INDEX, GL_INTENSITY,
+ * GL_LUMINANCE, GL_LUMINANCE_ALPHA, GL_ALPHA, GL_RGB or GL_RGBA.
+ *
+ */
+void
+_mesa_store_teximage1d(GLcontext *ctx, GLenum target, GLint level,
+ GLint internalFormat,
+ GLint width, GLint border,
+ GLenum format, GLenum type, const GLvoid *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
+{
+ const GLint components = components_in_intformat(internalFormat);
+ GLint postConvWidth = width;
+
+ if (ctx->_ImageTransferState & IMAGE_CONVOLUTION_BIT) {
+ _mesa_adjust_image_for_convolution(ctx, 1, &postConvWidth, NULL);
+ }
+
+ /* setup the teximage struct's fields */
+ init_teximage_fields(ctx, texImage, postConvWidth, 1, 1,
+ border, internalFormat);
+
+ /* allocate memory */
+ texImage->Data = (GLchan *) MALLOC(postConvWidth
+ * components * sizeof(GLchan));
+ if (!texImage->Data)
+ return; /* out of memory */
+
+ /* unpack image, apply transfer ops and store in texImage->Data */
+ _mesa_transfer_teximage(ctx, 1, texImage->Format, texImage->Data,
+ width, 1, 1, 0, 0, 0,
+ 0, /* dstRowStride */
+ 0, /* dstImageStride */
+ format, type, pixels, packing);
+}
+
+
+/*
+ * This is the software fallback for Driver.TexImage2D().
+ * The texture image type will be GLchan.
+ * The texture image format will be GL_COLOR_INDEX, GL_INTENSITY,
+ * GL_LUMINANCE, GL_LUMINANCE_ALPHA, GL_ALPHA, GL_RGB or GL_RGBA.
+ *
+ */
+void
+_mesa_store_teximage2d(GLcontext *ctx, GLenum target, GLint level,
+ GLint internalFormat,
+ GLint width, GLint height, GLint border,
+ GLenum format, GLenum type, const void *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
+{
+ const GLint components = components_in_intformat(internalFormat);
+ GLint postConvWidth = width, postConvHeight = height;
+
+ if (ctx->_ImageTransferState & IMAGE_CONVOLUTION_BIT) {
+ _mesa_adjust_image_for_convolution(ctx, 2, &postConvWidth,
+ &postConvHeight);
+ }
+
+ /* setup the teximage struct's fields */
+ init_teximage_fields(ctx, texImage, postConvWidth, postConvHeight, 1,
+ border, internalFormat);
+
+ /* allocate memory */
+ texImage->Data = (GLchan *) MALLOC(postConvWidth * postConvHeight
+ * components * sizeof(GLchan));
+ if (!texImage->Data)
+ return; /* out of memory */
+
+ /* unpack image, apply transfer ops and store in texImage->Data */
+ _mesa_transfer_teximage(ctx, 2, texImage->Format, texImage->Data,
+ width, height, 1, 0, 0, 0,
+ texImage->Width * components * sizeof(GLchan),
+ 0, /* dstImageStride */
+ format, type, pixels, packing);
+}
+
+
+
+/*
+ * This is the software fallback for Driver.TexImage3D().
+ * The texture image type will be GLchan.
+ * The texture image format will be GL_COLOR_INDEX, GL_INTENSITY,
+ * GL_LUMINANCE, GL_LUMINANCE_ALPHA, GL_ALPHA, GL_RGB or GL_RGBA.
+ *
+ */
+void
+_mesa_store_teximage3d(GLcontext *ctx, GLenum target, GLint level,
+ GLint internalFormat,
+ GLint width, GLint height, GLint depth, GLint border,
+ GLenum format, GLenum type, const void *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
+{
+ const GLint components = components_in_intformat(internalFormat);
+
+ /* setup the teximage struct's fields */
+ init_teximage_fields(ctx, texImage, width, height, depth,
+ border, internalFormat);
+
+ /* allocate memory */
+ texImage->Data = (GLchan *) MALLOC(width * height * depth
+ * components * sizeof(GLchan));
+ if (!texImage->Data)
+ return; /* out of memory */
+
+ /* unpack image, apply transfer ops and store in texImage->Data */
+ _mesa_transfer_teximage(ctx, 3, texImage->Format, texImage->Data,
+ width, height, depth, 0, 0, 0,
+ texImage->Width * components * sizeof(GLchan),
+ texImage->Width * texImage->Height * components
+ * sizeof(GLchan),
+ format, type, pixels, packing);
+}
+
+
+
+
+/*
+ * This is the software fallback for Driver.TexSubImage1D().
+ */
+void
+_mesa_store_texsubimage1d(GLcontext *ctx, GLenum target, GLint level,
+ GLint xoffset, GLint width,
+ GLenum format, GLenum type, const void *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
+{
+ _mesa_transfer_teximage(ctx, 1, texImage->Format, texImage->Data,
+ width, 1, 1, /* src size */
+ xoffset, 0, 0, /* dest offsets */
+ 0, /* dstRowStride */
+ 0, /* dstImageStride */
+ format, type, pixels, packing);
+}
+
+
+/*
+ * This is the software fallback for Driver.TexSubImage2D().
+ */
+void
+_mesa_store_texsubimage2d(GLcontext *ctx, GLenum target, GLint level,
+ GLint xoffset, GLint yoffset,
+ GLint width, GLint height,
+ GLenum format, GLenum type, const void *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
+{
+ const GLint components = components_in_intformat(texImage->IntFormat);
+ _mesa_transfer_teximage(ctx, 2, texImage->Format, texImage->Data,
+ width, height, 1, /* src size */
+ xoffset, yoffset, 0, /* dest offsets */
+ texImage->Width * components * sizeof(GLchan),
+ 0, /* dstImageStride */
+ format, type, pixels, packing);
+}
+
+
+/*
+ * This is the software fallback for Driver.TexSubImage3D().
+ */
+void
+_mesa_store_texsubimage3d(GLcontext *ctx, GLenum target, GLint level,
+ GLint xoffset, GLint yoffset, GLint zoffset,
+ GLint width, GLint height, GLint depth,
+ GLenum format, GLenum type, const void *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
+{
+ const GLint components = components_in_intformat(texImage->IntFormat);
+ _mesa_transfer_teximage(ctx, 3, texImage->Format, texImage->Data,
+ width, height, depth, /* src size */
+ xoffset, yoffset, xoffset, /* dest offsets */
+ texImage->Width * components * sizeof(GLchan),
+ texImage->Width * texImage->Height * components
+ * sizeof(GLchan),
+ format, type, pixels, packing);
+}
+
+
+
+/*
+ * Fallback for Driver.CompressedTexImage1D()
+ */
+void
+_mesa_store_compressed_teximage1d(GLcontext *ctx, GLenum target, GLint level,
+ GLint internalFormat,
+ GLint width, GLint border,
+ GLsizei imageSize, const GLvoid *data,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
+{
+ /* Nothing here.
+ * The device driver has to do it all.
+ */
+}
+
+
+
+/*
+ * Fallback for Driver.CompressedTexImage2D()
+ */
+void
+_mesa_store_compressed_teximage2d(GLcontext *ctx, GLenum target, GLint level,
+ GLint internalFormat,
+ GLint width, GLint height, GLint border,
+ GLsizei imageSize, const GLvoid *data,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
+{
+ /* Nothing here.
+ * The device driver has to do it all.
+ */
+}
+
+
+
+/*
+ * Fallback for Driver.CompressedTexImage3D()
+ */
+void
+_mesa_store_compressed_teximage3d(GLcontext *ctx, GLenum target, GLint level,
+ GLint internalFormat,
+ GLint width, GLint height, GLint depth,
+ GLint border,
+ GLsizei imageSize, const GLvoid *data,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
+{
+ /* Nothing here.
+ * The device driver has to do it all.
+ */
+}
+
+
+
+
+
+
+/*
+ * This is the fallback for Driver.TestProxyTexImage().
+ */
+GLboolean
+_mesa_test_proxy_teximage(GLcontext *ctx, GLenum target, GLint level,
+ GLint internalFormat, GLenum format, GLenum type,
+ GLint width, GLint height, GLint depth, GLint border)
+{
+ struct gl_texture_unit *texUnit;
+ struct gl_texture_object *texObj;
+ struct gl_texture_image *texImage;
+
+ (void) format;
+ (void) type;
+
+ texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texObj = _mesa_select_tex_object(ctx, texUnit, target);
+ texImage = _mesa_select_tex_image(ctx, texUnit, target, level);
+
+ /* We always pass.
+ * The core Mesa code will have already tested the image size, etc.
+ * Drivers may have more stringent texture limits to enforce and will
+ * have to override this function.
+ */
+ init_teximage_fields(ctx, texImage, width, height, depth, border,
+ internalFormat);
+
+ return GL_TRUE;
+}
+
--- /dev/null
+/* $Id: texstore.h,v 1.1 2001/02/06 21:42:48 brianp Exp $ */
+
+/*
+ * Mesa 3-D graphics library
+ * Version: 3.5
+ *
+ * Copyright (C) 1999-2001 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * Authors:
+ * Brian Paul
+ */
+
+
+#ifndef TEXSTORE_H
+#define TEXSTORE_H
+
+
+#include "mtypes.h"
+
+
+extern void
+_mesa_transfer_teximage(GLcontext *ctx, GLuint dimensions,
+ GLenum texFormat, GLchan *texAddr,
+ GLint srcWidth, GLint srcHeight, GLint srcDepth,
+ GLint dstXoffset, GLint dstYoffset, GLint dstZoffset,
+ GLint dstRowStride, GLint dstImageStride,
+ GLenum srcFormat, GLenum srcType,
+ const GLvoid *srcAddr,
+ const struct gl_pixelstore_attrib *srcPacking);
+
+
+extern void
+_mesa_store_teximage1d(GLcontext *ctx, GLenum target, GLint level,
+ GLint internalFormat,
+ GLint width, GLint border,
+ GLenum format, GLenum type, const GLvoid *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage);
+
+
+extern void
+_mesa_store_teximage2d(GLcontext *ctx, GLenum target, GLint level,
+ GLint internalFormat,
+ GLint width, GLint height, GLint border,
+ GLenum format, GLenum type, const void *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage);
+
+
+extern void
+_mesa_store_teximage3d(GLcontext *ctx, GLenum target, GLint level,
+ GLint internalFormat,
+ GLint width, GLint height, GLint depth, GLint border,
+ GLenum format, GLenum type, const void *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage);
+
+
+extern void
+_mesa_store_texsubimage1d(GLcontext *ctx, GLenum target, GLint level,
+ GLint xoffset, GLint width,
+ GLenum format, GLenum type, const void *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage);
+
+
+extern void
+_mesa_store_texsubimage2d(GLcontext *ctx, GLenum target, GLint level,
+ GLint xoffset, GLint yoffset,
+ GLint width, GLint height,
+ GLenum format, GLenum type, const void *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage);
+
+
+extern void
+_mesa_store_texsubimage3d(GLcontext *ctx, GLenum target, GLint level,
+ GLint xoffset, GLint yoffset, GLint zoffset,
+ GLint width, GLint height, GLint depth,
+ GLenum format, GLenum type, const void *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage);
+
+
+
+extern void
+_mesa_store_compressed_teximage1d(GLcontext *ctx, GLenum target, GLint level,
+ GLint internalFormat,
+ GLint width, GLint border,
+ GLsizei imageSize, const GLvoid *data,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage);
+
+extern void
+_mesa_store_compressed_teximage2d(GLcontext *ctx, GLenum target, GLint level,
+ GLint internalFormat,
+ GLint width, GLint height, GLint border,
+ GLsizei imageSize, const GLvoid *data,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage);
+
+extern void
+_mesa_store_compressed_teximage3d(GLcontext *ctx, GLenum target, GLint level,
+ GLint internalFormat,
+ GLint width, GLint height, GLint depth,
+ GLint border,
+ GLsizei imageSize, const GLvoid *data,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage);
+
+
+extern GLboolean
+_mesa_test_proxy_teximage(GLcontext *ctx, GLenum target, GLint level,
+ GLint internalFormat, GLenum format, GLenum type,
+ GLint width, GLint height, GLint depth, GLint border);
+
+
+#endif
-/* $Id: s_texture.c,v 1.8 2001/01/06 22:46:13 gareth Exp $ */
+/* $Id: s_texture.c,v 1.9 2001/02/06 21:42:49 brianp Exp $ */
/*
* Mesa 3-D graphics library
-
-/*
- * Paletted texture sampling.
- * Input: tObj - the texture object
- * index - the palette index (8-bit only)
- * Output: red, green, blue, alpha - the texel color
- */
-static void
-palette_sample(const struct gl_texture_object *tObj,
- GLint index, GLchan rgba[4] )
-{
- GLcontext *ctx = _mesa_get_current_context(); /* THIS IS A HACK */
- const GLchan *palette;
- GLenum format;
-
- if (ctx->Texture.SharedPalette) {
- ASSERT(!ctx->Texture.Palette.FloatTable);
- palette = (const GLchan *) ctx->Texture.Palette.Table;
- format = ctx->Texture.Palette.Format;
- }
- else {
- ASSERT(!tObj->Palette.FloatTable);
- palette = (const GLchan *) tObj->Palette.Table;
- format = tObj->Palette.Format;
- }
-
- switch (format) {
- case GL_ALPHA:
- rgba[ACOMP] = palette[index];
- return;
- case GL_LUMINANCE:
- case GL_INTENSITY:
- rgba[RCOMP] = palette[index];
- return;
- case GL_LUMINANCE_ALPHA:
- rgba[RCOMP] = palette[(index << 1) + 0];
- rgba[ACOMP] = palette[(index << 1) + 1];
- return;
- case GL_RGB:
- rgba[RCOMP] = palette[index * 3 + 0];
- rgba[GCOMP] = palette[index * 3 + 1];
- rgba[BCOMP] = palette[index * 3 + 2];
- return;
- case GL_RGBA:
- rgba[RCOMP] = palette[(index << 2) + 0];
- rgba[GCOMP] = palette[(index << 2) + 1];
- rgba[BCOMP] = palette[(index << 2) + 2];
- rgba[ACOMP] = palette[(index << 2) + 3];
- return;
- default:
- gl_problem(NULL, "Bad palette format in palette_sample");
- }
-}
-
-
-
/*
* These values are used in the fixed-point arithmetic used
* for linear filtering.
/* 1-D Texture Sampling Functions */
/**********************************************************************/
-
-/*
- * Given 1-D texture image and an (i) texel column coordinate, return the
- * texel color.
- */
-static void
-get_1d_texel( const struct gl_texture_object *tObj,
- const struct gl_texture_image *img, GLint i,
- GLchan rgba[4] )
-{
- const GLchan *texel;
-
-#ifdef DEBUG
- GLint width = img->Width;
- assert(i >= 0);
- assert(i < width);
-#endif
-
- switch (img->Format) {
- case GL_COLOR_INDEX:
- {
- GLint index = img->Data[i];
- palette_sample(tObj, index, rgba);
- return;
- }
- case GL_ALPHA:
- rgba[ACOMP] = img->Data[ i ];
- return;
- case GL_LUMINANCE:
- case GL_INTENSITY:
- rgba[RCOMP] = img->Data[ i ];
- return;
- case GL_LUMINANCE_ALPHA:
- texel = img->Data + i * 2;
- rgba[RCOMP] = texel[0];
- rgba[ACOMP] = texel[1];
- return;
- case GL_RGB:
- texel = img->Data + i * 3;
- rgba[RCOMP] = texel[0];
- rgba[GCOMP] = texel[1];
- rgba[BCOMP] = texel[2];
- return;
- case GL_RGBA:
- texel = img->Data + i * 4;
- rgba[RCOMP] = texel[0];
- rgba[GCOMP] = texel[1];
- rgba[BCOMP] = texel[2];
- rgba[ACOMP] = texel[3];
- return;
- default:
- gl_problem(NULL, "Bad format in get_1d_texel");
- return;
- }
-}
-
-
-
/*
* Return the texture sample for coordinate (s) using GL_NEAREST filter.
*/
static void
-sample_1d_nearest( const struct gl_texture_object *tObj,
- const struct gl_texture_image *img,
- GLfloat s, GLchan rgba[4] )
+sample_1d_nearest(GLcontext *ctx,
+ const struct gl_texture_object *tObj,
+ const struct gl_texture_image *img,
+ GLfloat s, GLchan rgba[4])
{
const GLint width = img->Width2; /* without border, power of two */
- const GLchan *texel;
GLint i;
COMPUTE_NEAREST_TEXEL_LOCATION(tObj->WrapS, s, width, i);
/* skip over the border, if any */
i += img->Border;
- /* Get the texel */
- switch (img->Format) {
- case GL_COLOR_INDEX:
- {
- GLint index = img->Data[i];
- palette_sample(tObj, index, rgba );
- return;
- }
- case GL_ALPHA:
- rgba[ACOMP] = img->Data[i];
- return;
- case GL_LUMINANCE:
- case GL_INTENSITY:
- rgba[RCOMP] = img->Data[i];
- return;
- case GL_LUMINANCE_ALPHA:
- texel = img->Data + i * 2;
- rgba[RCOMP] = texel[0];
- rgba[ACOMP] = texel[1];
- return;
- case GL_RGB:
- texel = img->Data + i * 3;
- rgba[RCOMP] = texel[0];
- rgba[GCOMP] = texel[1];
- rgba[BCOMP] = texel[2];
- return;
- case GL_RGBA:
- texel = img->Data + i * 4;
- rgba[RCOMP] = texel[0];
- rgba[GCOMP] = texel[1];
- rgba[BCOMP] = texel[2];
- rgba[ACOMP] = texel[3];
- return;
- default:
- gl_problem(NULL, "Bad format in sample_1d_nearest");
- }
+ (*img->FetchTexel)(ctx, tObj, img, i, 0, 0, rgba);
}
* Return the texture sample for coordinate (s) using GL_LINEAR filter.
*/
static void
-sample_1d_linear( const struct gl_texture_object *tObj,
- const struct gl_texture_image *img,
- GLfloat s, GLchan rgba[4] )
+sample_1d_linear(GLcontext *ctx,
+ const struct gl_texture_object *tObj,
+ const struct gl_texture_image *img,
+ GLfloat s, GLchan rgba[4])
{
const GLint width = img->Width2;
GLint i0, i1;
COPY_CHAN4(t0, tObj->BorderColor);
}
else {
- get_1d_texel( tObj, img, i0, t0 );
+ (*img->FetchTexel)(ctx, tObj, img, i0, 0, 0, t0);
}
if (useBorderColor & I1BIT) {
COPY_CHAN4(t1, tObj->BorderColor);
}
else {
- get_1d_texel( tObj, img, i1, t1 );
+ (*img->FetchTexel)(ctx, tObj, img, i1, 0, 0, t1);
}
rgba[0] = (GLchan) ((w0 * t0[0] + w1 * t1[0]) >> WEIGHT_SHIFT);
static void
-sample_1d_nearest_mipmap_nearest( const struct gl_texture_object *tObj,
- GLfloat s, GLfloat lambda,
- GLchan rgba[4] )
+sample_1d_nearest_mipmap_nearest(GLcontext *ctx,
+ const struct gl_texture_object *tObj,
+ GLfloat s, GLfloat lambda,
+ GLchan rgba[4])
{
GLint level;
COMPUTE_NEAREST_MIPMAP_LEVEL(tObj, lambda, level);
- sample_1d_nearest( tObj, tObj->Image[level], s, rgba );
+ sample_1d_nearest(ctx, tObj, tObj->Image[level], s, rgba);
}
static void
-sample_1d_linear_mipmap_nearest( const struct gl_texture_object *tObj,
- GLfloat s, GLfloat lambda,
- GLchan rgba[4] )
+sample_1d_linear_mipmap_nearest(GLcontext *ctx,
+ const struct gl_texture_object *tObj,
+ GLfloat s, GLfloat lambda,
+ GLchan rgba[4])
{
GLint level;
COMPUTE_NEAREST_MIPMAP_LEVEL(tObj, lambda, level);
- sample_1d_linear( tObj, tObj->Image[level], s, rgba );
+ sample_1d_linear(ctx, tObj, tObj->Image[level], s, rgba);
}
static void
-sample_1d_nearest_mipmap_linear( const struct gl_texture_object *tObj,
- GLfloat s, GLfloat lambda,
- GLchan rgba[4] )
+sample_1d_nearest_mipmap_linear(GLcontext *ctx,
+ const struct gl_texture_object *tObj,
+ GLfloat s, GLfloat lambda,
+ GLchan rgba[4])
{
GLint level;
COMPUTE_LINEAR_MIPMAP_LEVEL(tObj, lambda, level);
if (level >= tObj->_MaxLevel) {
- sample_1d_nearest( tObj, tObj->Image[tObj->_MaxLevel], s, rgba );
+ sample_1d_nearest(ctx, tObj, tObj->Image[tObj->_MaxLevel], s, rgba);
}
else {
GLchan t0[4], t1[4];
const GLfloat f = FRAC(lambda);
- sample_1d_nearest( tObj, tObj->Image[level ], s, t0 );
- sample_1d_nearest( tObj, tObj->Image[level+1], s, t1 );
+ sample_1d_nearest(ctx, tObj, tObj->Image[level ], s, t0);
+ sample_1d_nearest(ctx, tObj, tObj->Image[level+1], s, t1);
rgba[RCOMP] = (GLchan) (GLint) ((1.0F-f) * t0[RCOMP] + f * t1[RCOMP]);
rgba[GCOMP] = (GLchan) (GLint) ((1.0F-f) * t0[GCOMP] + f * t1[GCOMP]);
rgba[BCOMP] = (GLchan) (GLint) ((1.0F-f) * t0[BCOMP] + f * t1[BCOMP]);
static void
-sample_1d_linear_mipmap_linear( const struct gl_texture_object *tObj,
- GLfloat s, GLfloat lambda,
- GLchan rgba[4] )
+sample_1d_linear_mipmap_linear(GLcontext *ctx,
+ const struct gl_texture_object *tObj,
+ GLfloat s, GLfloat lambda,
+ GLchan rgba[4])
{
GLint level;
COMPUTE_LINEAR_MIPMAP_LEVEL(tObj, lambda, level);
if (level >= tObj->_MaxLevel) {
- sample_1d_linear( tObj, tObj->Image[tObj->_MaxLevel], s, rgba );
+ sample_1d_linear(ctx, tObj, tObj->Image[tObj->_MaxLevel], s, rgba);
}
else {
GLchan t0[4], t1[4];
const GLfloat f = FRAC(lambda);
- sample_1d_linear( tObj, tObj->Image[level ], s, t0 );
- sample_1d_linear( tObj, tObj->Image[level+1], s, t1 );
+ sample_1d_linear(ctx, tObj, tObj->Image[level ], s, t0);
+ sample_1d_linear(ctx, tObj, tObj->Image[level+1], s, t1);
rgba[RCOMP] = (GLchan) (GLint) ((1.0F-f) * t0[RCOMP] + f * t1[RCOMP]);
rgba[GCOMP] = (GLchan) (GLint) ((1.0F-f) * t0[GCOMP] + f * t1[GCOMP]);
rgba[BCOMP] = (GLchan) (GLint) ((1.0F-f) * t0[BCOMP] + f * t1[BCOMP]);
(void) u;
(void) lambda;
for (i=0;i<n;i++) {
- sample_1d_nearest( tObj, image, s[i], rgba[i] );
+ sample_1d_nearest(ctx, tObj, image, s[i], rgba[i]);
}
}
(void) u;
(void) lambda;
for (i=0;i<n;i++) {
- sample_1d_linear( tObj, image, s[i], rgba[i] );
+ sample_1d_linear(ctx, tObj, image, s[i], rgba[i]);
}
}
/* minification */
switch (tObj->MinFilter) {
case GL_NEAREST:
- sample_1d_nearest( tObj, tObj->Image[tObj->BaseLevel], s[i], rgba[i] );
+ sample_1d_nearest(ctx, tObj, tObj->Image[tObj->BaseLevel],
+ s[i], rgba[i]);
break;
case GL_LINEAR:
- sample_1d_linear( tObj, tObj->Image[tObj->BaseLevel], s[i], rgba[i] );
+ sample_1d_linear(ctx, tObj, tObj->Image[tObj->BaseLevel],
+ s[i], rgba[i]);
break;
case GL_NEAREST_MIPMAP_NEAREST:
- sample_1d_nearest_mipmap_nearest( tObj, lambda[i], s[i], rgba[i] );
+ sample_1d_nearest_mipmap_nearest(ctx, tObj, lambda[i], s[i],
+ rgba[i]);
break;
case GL_LINEAR_MIPMAP_NEAREST:
- sample_1d_linear_mipmap_nearest( tObj, s[i], lambda[i], rgba[i] );
+ sample_1d_linear_mipmap_nearest(ctx, tObj, s[i], lambda[i],
+ rgba[i]);
break;
case GL_NEAREST_MIPMAP_LINEAR:
- sample_1d_nearest_mipmap_linear( tObj, s[i], lambda[i], rgba[i] );
+ sample_1d_nearest_mipmap_linear(ctx, tObj, s[i], lambda[i],
+ rgba[i]);
break;
case GL_LINEAR_MIPMAP_LINEAR:
- sample_1d_linear_mipmap_linear( tObj, s[i], lambda[i], rgba[i] );
+ sample_1d_linear_mipmap_linear(ctx, tObj, s[i], lambda[i],
+ rgba[i]);
break;
default:
gl_problem(NULL, "Bad min filter in sample_1d_texture");
/* magnification */
switch (tObj->MagFilter) {
case GL_NEAREST:
- sample_1d_nearest( tObj, tObj->Image[tObj->BaseLevel], s[i], rgba[i] );
+ sample_1d_nearest(ctx, tObj, tObj->Image[tObj->BaseLevel],
+ s[i], rgba[i]);
break;
case GL_LINEAR:
- sample_1d_linear( tObj, tObj->Image[tObj->BaseLevel], s[i], rgba[i] );
+ sample_1d_linear(ctx, tObj, tObj->Image[tObj->BaseLevel],
+ s[i], rgba[i]);
break;
default:
gl_problem(NULL, "Bad mag filter in sample_1d_texture");
/*
- * Given a texture image and an (i,j) integer texel coordinate, return the
- * texel color.
- */
-static void
-get_2d_texel( const struct gl_texture_object *tObj,
- const struct gl_texture_image *img, GLint i, GLint j,
- GLchan rgba[4] )
-{
- const GLint width = img->Width; /* includes border */
- const GLchan *texel;
-
-#ifdef DEBUG
- const GLint height = img->Height; /* includes border */
- assert(i >= 0);
- assert(i < width);
- assert(j >= 0);
- assert(j < height);
-#endif
-
- switch (img->Format) {
- case GL_COLOR_INDEX:
- {
- GLint index = img->Data[ width *j + i ];
- palette_sample(tObj, index, rgba );
- return;
- }
- case GL_ALPHA:
- rgba[ACOMP] = img->Data[ width * j + i ];
- return;
- case GL_LUMINANCE:
- case GL_INTENSITY:
- rgba[RCOMP] = img->Data[ width * j + i ];
- return;
- case GL_LUMINANCE_ALPHA:
- texel = img->Data + (width * j + i) * 2;
- rgba[RCOMP] = texel[0];
- rgba[ACOMP] = texel[1];
- return;
- case GL_RGB:
- texel = img->Data + (width * j + i) * 3;
- rgba[RCOMP] = texel[0];
- rgba[GCOMP] = texel[1];
- rgba[BCOMP] = texel[2];
- return;
- case GL_RGBA:
- texel = img->Data + (width * j + i) * 4;
- rgba[RCOMP] = texel[0];
- rgba[GCOMP] = texel[1];
- rgba[BCOMP] = texel[2];
- rgba[ACOMP] = texel[3];
- return;
- default:
- gl_problem(NULL, "Bad format in get_2d_texel");
- }
-}
-
-
-
-/*
* Return the texture sample for coordinate (s,t) using GL_NEAREST filter.
*/
static void
-sample_2d_nearest( const struct gl_texture_object *tObj,
- const struct gl_texture_image *img,
- GLfloat s, GLfloat t,
- GLchan rgba[] )
+sample_2d_nearest(GLcontext *ctx,
+ const struct gl_texture_object *tObj,
+ const struct gl_texture_image *img,
+ GLfloat s, GLfloat t,
+ GLchan rgba[])
{
- const GLint imgWidth = img->Width; /* includes border */
const GLint width = img->Width2; /* without border, power of two */
const GLint height = img->Height2; /* without border, power of two */
- const GLchan *texel;
GLint i, j;
COMPUTE_NEAREST_TEXEL_LOCATION(tObj->WrapS, s, width, i);
i += img->Border;
j += img->Border;
- switch (img->Format) {
- case GL_COLOR_INDEX:
- {
- GLint index = img->Data[ j * imgWidth + i ];
- palette_sample(tObj, index, rgba);
- return;
- }
- case GL_ALPHA:
- rgba[ACOMP] = img->Data[ j * imgWidth + i ];
- return;
- case GL_LUMINANCE:
- case GL_INTENSITY:
- rgba[RCOMP] = img->Data[ j * imgWidth + i ];
- return;
- case GL_LUMINANCE_ALPHA:
- texel = img->Data + ((j * imgWidth + i) << 1);
- rgba[RCOMP] = texel[0];
- rgba[ACOMP] = texel[1];
- return;
- case GL_RGB:
- texel = img->Data + (j * imgWidth + i) * 3;
- rgba[RCOMP] = texel[0];
- rgba[GCOMP] = texel[1];
- rgba[BCOMP] = texel[2];
- return;
- case GL_RGBA:
- texel = img->Data + ((j * imgWidth + i) << 2);
- rgba[RCOMP] = texel[0];
- rgba[GCOMP] = texel[1];
- rgba[BCOMP] = texel[2];
- rgba[ACOMP] = texel[3];
- return;
- default:
- gl_problem(NULL, "Bad format in sample_2d_nearest");
- }
+ (*img->FetchTexel)(ctx, tObj, img, i, j, 0, rgba);
}
* New sampling code contributed by Lynn Quam <quam@ai.sri.com>.
*/
static void
-sample_2d_linear( const struct gl_texture_object *tObj,
- const struct gl_texture_image *img,
- GLfloat s, GLfloat t,
- GLchan rgba[] )
+sample_2d_linear(GLcontext *ctx,
+ const struct gl_texture_object *tObj,
+ const struct gl_texture_image *img,
+ GLfloat s, GLfloat t,
+ GLchan rgba[])
{
const GLint width = img->Width2;
const GLint height = img->Height2;
COPY_CHAN4(t00, tObj->BorderColor);
}
else {
- get_2d_texel( tObj, img, i0, j0, t00 );
+ (*img->FetchTexel)(ctx, tObj, img, i0, j0, 0, t00);
}
if (useBorderColor & (I1BIT | J0BIT)) {
COPY_CHAN4(t10, tObj->BorderColor);
}
else {
- get_2d_texel( tObj, img, i1, j0, t10 );
+ (*img->FetchTexel)(ctx, tObj, img, i1, j0, 0, t10);
}
if (useBorderColor & (I0BIT | J1BIT)) {
COPY_CHAN4(t01, tObj->BorderColor);
}
else {
- get_2d_texel( tObj, img, i0, j1, t01 );
+ (*img->FetchTexel)(ctx, tObj, img, i0, j1, 0, t01);
}
if (useBorderColor & (I1BIT | J1BIT)) {
COPY_CHAN4(t11, tObj->BorderColor);
}
else {
- get_2d_texel( tObj, img, i1, j1, t11 );
+ (*img->FetchTexel)(ctx, tObj, img, i1, j1, 0, t11);
}
rgba[0] = (GLchan) ((w00 * t00[0] + w10 * t10[0] + w01 * t01[0] + w11 * t11[0]) >> WEIGHT_SHIFT);
static void
-sample_2d_nearest_mipmap_nearest( const struct gl_texture_object *tObj,
- GLfloat s, GLfloat t, GLfloat lambda,
- GLchan rgba[4] )
+sample_2d_nearest_mipmap_nearest(GLcontext *ctx,
+ const struct gl_texture_object *tObj,
+ GLfloat s, GLfloat t, GLfloat lambda,
+ GLchan rgba[4])
{
GLint level;
COMPUTE_NEAREST_MIPMAP_LEVEL(tObj, lambda, level);
- sample_2d_nearest( tObj, tObj->Image[level], s, t, rgba );
+ sample_2d_nearest(ctx, tObj, tObj->Image[level], s, t, rgba);
}
static void
-sample_2d_linear_mipmap_nearest( const struct gl_texture_object *tObj,
- GLfloat s, GLfloat t, GLfloat lambda,
- GLchan rgba[4] )
+sample_2d_linear_mipmap_nearest(GLcontext *ctx,
+ const struct gl_texture_object *tObj,
+ GLfloat s, GLfloat t, GLfloat lambda,
+ GLchan rgba[4])
{
GLint level;
COMPUTE_NEAREST_MIPMAP_LEVEL(tObj, lambda, level);
- sample_2d_linear( tObj, tObj->Image[level], s, t, rgba );
+ sample_2d_linear(ctx, tObj, tObj->Image[level], s, t, rgba);
}
static void
-sample_2d_nearest_mipmap_linear( const struct gl_texture_object *tObj,
- GLfloat s, GLfloat t, GLfloat lambda,
- GLchan rgba[4] )
+sample_2d_nearest_mipmap_linear(GLcontext *ctx,
+ const struct gl_texture_object *tObj,
+ GLfloat s, GLfloat t, GLfloat lambda,
+ GLchan rgba[4])
{
GLint level;
COMPUTE_LINEAR_MIPMAP_LEVEL(tObj, lambda, level);
if (level >= tObj->_MaxLevel) {
- sample_2d_nearest( tObj, tObj->Image[tObj->_MaxLevel], s, t, rgba );
+ sample_2d_nearest(ctx, tObj, tObj->Image[tObj->_MaxLevel], s, t, rgba);
}
else {
GLchan t0[4], t1[4]; /* texels */
const GLfloat f = FRAC(lambda);
- sample_2d_nearest( tObj, tObj->Image[level ], s, t, t0 );
- sample_2d_nearest( tObj, tObj->Image[level+1], s, t, t1 );
+ sample_2d_nearest(ctx, tObj, tObj->Image[level ], s, t, t0);
+ sample_2d_nearest(ctx, tObj, tObj->Image[level+1], s, t, t1);
rgba[RCOMP] = (GLchan) (GLint) ((1.0F-f) * t0[RCOMP] + f * t1[RCOMP]);
rgba[GCOMP] = (GLchan) (GLint) ((1.0F-f) * t0[GCOMP] + f * t1[GCOMP]);
rgba[BCOMP] = (GLchan) (GLint) ((1.0F-f) * t0[BCOMP] + f * t1[BCOMP]);
static void
-sample_2d_linear_mipmap_linear( const struct gl_texture_object *tObj,
- GLfloat s, GLfloat t, GLfloat lambda,
- GLchan rgba[4] )
+sample_2d_linear_mipmap_linear(GLcontext *ctx,
+ const struct gl_texture_object *tObj,
+ GLfloat s, GLfloat t, GLfloat lambda,
+ GLchan rgba[4])
{
GLint level;
COMPUTE_LINEAR_MIPMAP_LEVEL(tObj, lambda, level);
if (level >= tObj->_MaxLevel) {
- sample_2d_linear( tObj, tObj->Image[tObj->_MaxLevel], s, t, rgba );
+ sample_2d_linear(ctx, tObj, tObj->Image[tObj->_MaxLevel], s, t, rgba);
}
else {
GLchan t0[4], t1[4]; /* texels */
const GLfloat f = FRAC(lambda);
- sample_2d_linear( tObj, tObj->Image[level ], s, t, t0 );
- sample_2d_linear( tObj, tObj->Image[level+1], s, t, t1 );
+ sample_2d_linear(ctx, tObj, tObj->Image[level ], s, t, t0);
+ sample_2d_linear(ctx, tObj, tObj->Image[level+1], s, t, t1);
rgba[RCOMP] = (GLchan) (GLint) ((1.0F-f) * t0[RCOMP] + f * t1[RCOMP]);
rgba[GCOMP] = (GLchan) (GLint) ((1.0F-f) * t0[GCOMP] + f * t1[GCOMP]);
rgba[BCOMP] = (GLchan) (GLint) ((1.0F-f) * t0[BCOMP] + f * t1[BCOMP]);
(void) u;
(void) lambda;
for (i=0;i<n;i++) {
- sample_2d_nearest( tObj, image, s[i], t[i], rgba[i] );
+ sample_2d_nearest(ctx, tObj, image, s[i], t[i], rgba[i]);
}
}
(void) u;
(void) lambda;
for (i=0;i<n;i++) {
- sample_2d_linear( tObj, image, s[i], t[i], rgba[i] );
+ sample_2d_linear(ctx, tObj, image, s[i], t[i], rgba[i]);
}
}
/*
- * Given an (s,t) texture coordinate and lambda (level of detail) value,
- * return a texture sample.
+ * Given an array of (s,t) texture coordinate and lambda (level of detail)
+ * values, return an array of texture sample.
*/
static void
sample_lambda_2d( GLcontext *ctx, GLuint texUnit,
const GLfloat u[], const GLfloat lambda[],
GLchan rgba[][4] )
{
- GLfloat MinMagThresh = SWRAST_CONTEXT(ctx)->_MinMagThresh[texUnit];
+ const GLfloat minMagThresh = SWRAST_CONTEXT(ctx)->_MinMagThresh[texUnit];
GLuint i;
(void) u;
- for (i=0;i<n;i++) {
- if (lambda[i] > MinMagThresh) {
- /* minification */
- switch (tObj->MinFilter) {
- case GL_NEAREST:
- sample_2d_nearest( tObj, tObj->Image[tObj->BaseLevel], s[i], t[i], rgba[i] );
- break;
- case GL_LINEAR:
- sample_2d_linear( tObj, tObj->Image[tObj->BaseLevel], s[i], t[i], rgba[i] );
- break;
- case GL_NEAREST_MIPMAP_NEAREST:
- sample_2d_nearest_mipmap_nearest( tObj, s[i], t[i], lambda[i], rgba[i] );
- break;
- case GL_LINEAR_MIPMAP_NEAREST:
- sample_2d_linear_mipmap_nearest( tObj, s[i], t[i], lambda[i], rgba[i] );
- break;
- case GL_NEAREST_MIPMAP_LINEAR:
- sample_2d_nearest_mipmap_linear( tObj, s[i], t[i], lambda[i], rgba[i] );
- break;
- case GL_LINEAR_MIPMAP_LINEAR:
- sample_2d_linear_mipmap_linear( tObj, s[i], t[i], lambda[i], rgba[i] );
- break;
- default:
- gl_problem(NULL, "Bad min filter in sample_2d_texture");
- return;
- }
+
+ /* check if lambda is monotonous-array */
+ if (lambda[0] <= minMagThresh && lambda[n-1] <= minMagThresh) {
+ /* magnification */
+ switch (tObj->MagFilter) {
+ case GL_NEAREST:
+ for (i = 0; i < n; i++)
+ sample_2d_nearest(ctx, tObj, tObj->Image[tObj->BaseLevel],
+ s[i], t[i], rgba[i] );
+ break;
+ case GL_LINEAR:
+ for (i = 0; i < n; i++)
+ sample_2d_linear(ctx, tObj, tObj->Image[tObj->BaseLevel],
+ s[i], t[i], rgba[i] );
+ break;
+ default:
+ gl_problem(NULL, "Bad mag filter in sample_2d_texture");
}
- else {
- /* magnification */
- switch (tObj->MagFilter) {
- case GL_NEAREST:
- sample_2d_nearest( tObj, tObj->Image[tObj->BaseLevel], s[i], t[i], rgba[i] );
- break;
- case GL_LINEAR:
- sample_2d_linear( tObj, tObj->Image[tObj->BaseLevel], s[i], t[i], rgba[i] );
- break;
- default:
- gl_problem(NULL, "Bad mag filter in sample_2d_texture");
+ }
+ else {
+ for (i = 0; i < n; i++) {
+ if (lambda[i] > minMagThresh) {
+ /* minification */
+ switch (tObj->MinFilter) {
+ case GL_NEAREST:
+ sample_2d_nearest(ctx, tObj, tObj->Image[tObj->BaseLevel],
+ s[i], t[i], rgba[i]);
+ break;
+ case GL_LINEAR:
+ sample_2d_linear(ctx, tObj, tObj->Image[tObj->BaseLevel],
+ s[i], t[i], rgba[i]);
+ break;
+ case GL_NEAREST_MIPMAP_NEAREST:
+ sample_2d_nearest_mipmap_nearest(ctx, tObj, s[i], t[i],
+ lambda[i], rgba[i]);
+ break;
+ case GL_LINEAR_MIPMAP_NEAREST:
+ sample_2d_linear_mipmap_nearest(ctx,tObj, s[i], t[i],
+ lambda[i], rgba[i]);
+ break;
+ case GL_NEAREST_MIPMAP_LINEAR:
+ sample_2d_nearest_mipmap_linear(ctx,tObj, s[i], t[i],
+ lambda[i], rgba[i]);
+ break;
+ case GL_LINEAR_MIPMAP_LINEAR:
+ sample_2d_linear_mipmap_linear(ctx,tObj, s[i], t[i],
+ lambda[i], rgba[i] );
+ break;
+ default:
+ gl_problem(NULL, "Bad min filter in sample_2d_texture");
+ return;
+ }
+ }
+ else {
+ /* magnification */
+ switch (tObj->MagFilter) {
+ case GL_NEAREST:
+ sample_2d_nearest(ctx, tObj, tObj->Image[tObj->BaseLevel],
+ s[i], t[i], rgba[i]);
+ break;
+ case GL_LINEAR:
+ sample_2d_linear(ctx, tObj, tObj->Image[tObj->BaseLevel],
+ s[i], t[i], rgba[i] );
+ break;
+ default:
+ gl_problem(NULL, "Bad mag filter in sample_2d_texture");
+ }
}
}
}
GLint i = (GLint) ((s[k] + 10000.0) * width) & colMask;
GLint j = (GLint) ((t[k] + 10000.0) * height) & rowMask;
GLint pos = (j << shift) | i;
- GLchan *texel = img->Data + pos + pos + pos; /* pos*3 */
+ GLchan *texel = ((GLchan *) img->Data) + pos + pos + pos; /* pos*3 */
rgba[k][RCOMP] = texel[0];
rgba[k][GCOMP] = texel[1];
rgba[k][BCOMP] = texel[2];
GLint i = (GLint) ((s[k] + 10000.0) * width) & colMask;
GLint j = (GLint) ((t[k] + 10000.0) * height) & rowMask;
GLint pos = (j << shift) | i;
- GLchan *texel = img->Data + (pos << 2); /* pos*4 */
+ GLchan *texel = ((GLchan *) img->Data) + (pos << 2); /* pos*4 */
rgba[k][RCOMP] = texel[0];
rgba[k][GCOMP] = texel[1];
rgba[k][BCOMP] = texel[2];
/**********************************************************************/
/*
- * Given a texture image and an (i,j,k) integer texel coordinate, return the
- * texel color.
- */
-static void
-get_3d_texel( const struct gl_texture_object *tObj,
- const struct gl_texture_image *img,
- GLint i, GLint j, GLint k,
- GLchan rgba[4] )
-{
- const GLint width = img->Width; /* includes border */
- const GLint height = img->Height; /* includes border */
- const GLint rectarea = width * height;
- const GLchan *texel;
-
-#ifdef DEBUG
- const GLint depth = img->Depth; /* includes border */
- assert(i >= 0);
- assert(i < width);
- assert(j >= 0);
- assert(j < height);
- assert(k >= 0);
- assert(k < depth);
-#endif
-
- switch (img->Format) {
- case GL_COLOR_INDEX:
- {
- GLint index = img->Data[ rectarea * k + width * j + i ];
- palette_sample(tObj, index, rgba );
- return;
- }
- case GL_ALPHA:
- rgba[ACOMP] = img->Data[ rectarea * k + width * j + i ];
- return;
- case GL_LUMINANCE:
- case GL_INTENSITY:
- rgba[RCOMP] = img->Data[ rectarea * k + width * j + i ];
- return;
- case GL_LUMINANCE_ALPHA:
- texel = img->Data + ( rectarea * k + width * j + i) * 2;
- rgba[RCOMP] = texel[0];
- rgba[ACOMP] = texel[1];
- return;
- case GL_RGB:
- texel = img->Data + (rectarea * k + width * j + i) * 3;
- rgba[RCOMP] = texel[0];
- rgba[GCOMP] = texel[1];
- rgba[BCOMP] = texel[2];
- return;
- case GL_RGBA:
- texel = img->Data + (rectarea * k + width * j + i) * 4;
- rgba[RCOMP] = texel[0];
- rgba[GCOMP] = texel[1];
- rgba[BCOMP] = texel[2];
- rgba[ACOMP] = texel[3];
- return;
- default:
- gl_problem(NULL, "Bad format in get_3d_texel");
- }
-}
-
-
-/*
* Return the texture sample for coordinate (s,t,r) using GL_NEAREST filter.
*/
static void
-sample_3d_nearest( const struct gl_texture_object *tObj,
- const struct gl_texture_image *img,
- GLfloat s, GLfloat t, GLfloat r,
- GLchan rgba[4] )
+sample_3d_nearest(GLcontext *ctx,
+ const struct gl_texture_object *tObj,
+ const struct gl_texture_image *img,
+ GLfloat s, GLfloat t, GLfloat r,
+ GLchan rgba[4])
{
- const GLint imgWidth = img->Width; /* includes border, if any */
- const GLint imgHeight = img->Height; /* includes border, if any */
const GLint width = img->Width2; /* without border, power of two */
const GLint height = img->Height2; /* without border, power of two */
const GLint depth = img->Depth2; /* without border, power of two */
- const GLint rectarea = imgWidth * imgHeight;
- const GLchan *texel;
GLint i, j, k;
COMPUTE_NEAREST_TEXEL_LOCATION(tObj->WrapS, s, width, i);
COMPUTE_NEAREST_TEXEL_LOCATION(tObj->WrapT, t, height, j);
COMPUTE_NEAREST_TEXEL_LOCATION(tObj->WrapR, r, depth, k);
- switch (tObj->Image[0]->Format) {
- case GL_COLOR_INDEX:
- {
- GLint index = img->Data[ rectarea * k + j * imgWidth + i ];
- palette_sample(tObj, index, rgba );
- return;
- }
- case GL_ALPHA:
- rgba[ACOMP] = img->Data[ rectarea * k + j * imgWidth + i ];
- return;
- case GL_LUMINANCE:
- case GL_INTENSITY:
- rgba[RCOMP] = img->Data[ rectarea * k + j * imgWidth + i ];
- return;
- case GL_LUMINANCE_ALPHA:
- texel = img->Data + ((rectarea * k + j * imgWidth + i) << 1);
- rgba[RCOMP] = texel[0];
- rgba[ACOMP] = texel[1];
- return;
- case GL_RGB:
- texel = img->Data + ( rectarea * k + j * imgWidth + i) * 3;
- rgba[RCOMP] = texel[0];
- rgba[GCOMP] = texel[1];
- rgba[BCOMP] = texel[2];
- return;
- case GL_RGBA:
- texel = img->Data + ((rectarea * k + j * imgWidth + i) << 2);
- rgba[RCOMP] = texel[0];
- rgba[GCOMP] = texel[1];
- rgba[BCOMP] = texel[2];
- rgba[ACOMP] = texel[3];
- return;
- default:
- gl_problem(NULL, "Bad format in sample_3d_nearest");
- }
+ (*img->FetchTexel)(ctx, tObj, img, i, j, k, rgba);
}
* Return the texture sample for coordinate (s,t,r) using GL_LINEAR filter.
*/
static void
-sample_3d_linear( const struct gl_texture_object *tObj,
- const struct gl_texture_image *img,
- GLfloat s, GLfloat t, GLfloat r,
- GLchan rgba[4] )
+sample_3d_linear(GLcontext *ctx,
+ const struct gl_texture_object *tObj,
+ const struct gl_texture_image *img,
+ GLfloat s, GLfloat t, GLfloat r,
+ GLchan rgba[4])
{
const GLint width = img->Width2;
const GLint height = img->Height2;
COPY_CHAN4(t000, tObj->BorderColor);
}
else {
- get_3d_texel( tObj, img, i0, j0, k0, t000 );
+ (*img->FetchTexel)(ctx, tObj, img, i0, j0, k0, t000);
}
if (useBorderColor & (I1BIT | J0BIT | K0BIT)) {
COPY_CHAN4(t100, tObj->BorderColor);
}
else {
- get_3d_texel( tObj, img, i1, j0, k0, t100 );
+ (*img->FetchTexel)(ctx, tObj, img, i1, j0, k0, t100);
}
if (useBorderColor & (I0BIT | J1BIT | K0BIT)) {
COPY_CHAN4(t010, tObj->BorderColor);
}
else {
- get_3d_texel( tObj, img, i0, j1, k0, t010 );
+ (*img->FetchTexel)(ctx, tObj, img, i0, j1, k0, t010);
}
if (useBorderColor & (I1BIT | J1BIT | K0BIT)) {
COPY_CHAN4(t110, tObj->BorderColor);
}
else {
- get_3d_texel( tObj, img, i1, j1, k0, t110 );
+ (*img->FetchTexel)(ctx, tObj, img, i1, j1, k0, t110);
}
if (useBorderColor & (I0BIT | J0BIT | K1BIT)) {
COPY_CHAN4(t001, tObj->BorderColor);
}
else {
- get_3d_texel( tObj, img, i0, j0, k1, t001 );
+ (*img->FetchTexel)(ctx, tObj, img, i0, j0, k1, t001);
}
if (useBorderColor & (I1BIT | J0BIT | K1BIT)) {
COPY_CHAN4(t101, tObj->BorderColor);
}
else {
- get_3d_texel( tObj, img, i1, j0, k1, t101 );
+ (*img->FetchTexel)(ctx, tObj, img, i1, j0, k1, t101);
}
if (useBorderColor & (I0BIT | J1BIT | K1BIT)) {
COPY_CHAN4(t011, tObj->BorderColor);
}
else {
- get_3d_texel( tObj, img, i0, j1, k1, t011 );
+ (*img->FetchTexel)(ctx, tObj, img, i0, j1, k1, t011);
}
if (useBorderColor & (I1BIT | J1BIT | K1BIT)) {
COPY_CHAN4(t111, tObj->BorderColor);
}
else {
- get_3d_texel( tObj, img, i1, j1, k1, t111 );
+ (*img->FetchTexel)(ctx, tObj, img, i1, j1, k1, t111);
}
rgba[0] = (GLchan) (
static void
-sample_3d_nearest_mipmap_nearest( const struct gl_texture_object *tObj,
- GLfloat s, GLfloat t, GLfloat r,
- GLfloat lambda, GLchan rgba[4] )
+sample_3d_nearest_mipmap_nearest(GLcontext *ctx,
+ const struct gl_texture_object *tObj,
+ GLfloat s, GLfloat t, GLfloat r,
+ GLfloat lambda, GLchan rgba[4] )
{
GLint level;
COMPUTE_NEAREST_MIPMAP_LEVEL(tObj, lambda, level);
- sample_3d_nearest( tObj, tObj->Image[level], s, t, r, rgba );
+ sample_3d_nearest(ctx, tObj, tObj->Image[level], s, t, r, rgba);
}
static void
-sample_3d_linear_mipmap_nearest( const struct gl_texture_object *tObj,
- GLfloat s, GLfloat t, GLfloat r,
- GLfloat lambda, GLchan rgba[4] )
+sample_3d_linear_mipmap_nearest(GLcontext *ctx,
+ const struct gl_texture_object *tObj,
+ GLfloat s, GLfloat t, GLfloat r,
+ GLfloat lambda, GLchan rgba[4])
{
GLint level;
COMPUTE_NEAREST_MIPMAP_LEVEL(tObj, lambda, level);
- sample_3d_linear( tObj, tObj->Image[level], s, t, r, rgba );
+ sample_3d_linear(ctx, tObj, tObj->Image[level], s, t, r, rgba);
}
static void
-sample_3d_nearest_mipmap_linear( const struct gl_texture_object *tObj,
- GLfloat s, GLfloat t, GLfloat r,
- GLfloat lambda, GLchan rgba[4] )
+sample_3d_nearest_mipmap_linear(GLcontext *ctx,
+ const struct gl_texture_object *tObj,
+ GLfloat s, GLfloat t, GLfloat r,
+ GLfloat lambda, GLchan rgba[4])
{
GLint level;
COMPUTE_LINEAR_MIPMAP_LEVEL(tObj, lambda, level);
if (level >= tObj->_MaxLevel) {
- sample_3d_nearest( tObj, tObj->Image[tObj->_MaxLevel], s, t, r, rgba );
+ sample_3d_nearest(ctx, tObj, tObj->Image[tObj->_MaxLevel],
+ s, t, r, rgba);
}
else {
GLchan t0[4], t1[4]; /* texels */
const GLfloat f = FRAC(lambda);
- sample_3d_nearest( tObj, tObj->Image[level ], s, t, r, t0 );
- sample_3d_nearest( tObj, tObj->Image[level+1], s, t, r, t1 );
+ sample_3d_nearest(ctx, tObj, tObj->Image[level ], s, t, r, t0);
+ sample_3d_nearest(ctx, tObj, tObj->Image[level+1], s, t, r, t1);
rgba[RCOMP] = (GLchan) (GLint) ((1.0F-f) * t0[RCOMP] + f * t1[RCOMP]);
rgba[GCOMP] = (GLchan) (GLint) ((1.0F-f) * t0[GCOMP] + f * t1[GCOMP]);
rgba[BCOMP] = (GLchan) (GLint) ((1.0F-f) * t0[BCOMP] + f * t1[BCOMP]);
static void
-sample_3d_linear_mipmap_linear( const struct gl_texture_object *tObj,
- GLfloat s, GLfloat t, GLfloat r,
- GLfloat lambda, GLchan rgba[4] )
+sample_3d_linear_mipmap_linear(GLcontext *ctx,
+ const struct gl_texture_object *tObj,
+ GLfloat s, GLfloat t, GLfloat r,
+ GLfloat lambda, GLchan rgba[4] )
{
GLint level;
COMPUTE_LINEAR_MIPMAP_LEVEL(tObj, lambda, level);
if (level >= tObj->_MaxLevel) {
- sample_3d_linear( tObj, tObj->Image[tObj->_MaxLevel], s, t, r, rgba );
+ sample_3d_linear(ctx, tObj, tObj->Image[tObj->_MaxLevel], s, t, r, rgba);
}
else {
GLchan t0[4], t1[4]; /* texels */
const GLfloat f = FRAC(lambda);
- sample_3d_linear( tObj, tObj->Image[level ], s, t, r, t0 );
- sample_3d_linear( tObj, tObj->Image[level+1], s, t, r, t1 );
+ sample_3d_linear(ctx, tObj, tObj->Image[level ], s, t, r, t0);
+ sample_3d_linear(ctx, tObj, tObj->Image[level+1], s, t, r, t1);
rgba[RCOMP] = (GLchan) (GLint) ((1.0F-f) * t0[RCOMP] + f * t1[RCOMP]);
rgba[GCOMP] = (GLchan) (GLint) ((1.0F-f) * t0[GCOMP] + f * t1[GCOMP]);
rgba[BCOMP] = (GLchan) (GLint) ((1.0F-f) * t0[BCOMP] + f * t1[BCOMP]);
static void
-sample_nearest_3d( GLcontext *ctx, GLuint texUnit,
- const struct gl_texture_object *tObj, GLuint n,
- const GLfloat s[], const GLfloat t[],
- const GLfloat u[], const GLfloat lambda[],
- GLchan rgba[][4] )
+sample_nearest_3d(GLcontext *ctx, GLuint texUnit,
+ const struct gl_texture_object *tObj, GLuint n,
+ const GLfloat s[], const GLfloat t[],
+ const GLfloat u[], const GLfloat lambda[],
+ GLchan rgba[][4])
{
GLuint i;
struct gl_texture_image *image = tObj->Image[tObj->BaseLevel];
(void) lambda;
for (i=0;i<n;i++) {
- sample_3d_nearest( tObj, image, s[i], t[i], u[i], rgba[i] );
+ sample_3d_nearest(ctx, tObj, image, s[i], t[i], u[i], rgba[i]);
}
}
struct gl_texture_image *image = tObj->Image[tObj->BaseLevel];
(void) lambda;
for (i=0;i<n;i++) {
- sample_3d_linear( tObj, image, s[i], t[i], u[i], rgba[i] );
+ sample_3d_linear(ctx, tObj, image, s[i], t[i], u[i], rgba[i]);
}
}
/* minification */
switch (tObj->MinFilter) {
case GL_NEAREST:
- sample_3d_nearest( tObj, tObj->Image[tObj->BaseLevel], s[i], t[i], u[i], rgba[i] );
+ sample_3d_nearest(ctx, tObj, tObj->Image[tObj->BaseLevel],
+ s[i], t[i], u[i], rgba[i]);
break;
case GL_LINEAR:
- sample_3d_linear( tObj, tObj->Image[tObj->BaseLevel], s[i], t[i], u[i], rgba[i] );
+ sample_3d_linear(ctx, tObj, tObj->Image[tObj->BaseLevel],
+ s[i], t[i], u[i], rgba[i]);
break;
case GL_NEAREST_MIPMAP_NEAREST:
- sample_3d_nearest_mipmap_nearest( tObj, s[i], t[i], u[i], lambda[i], rgba[i] );
+ sample_3d_nearest_mipmap_nearest(ctx, tObj, s[i], t[i], u[i],
+ lambda[i], rgba[i]);
break;
case GL_LINEAR_MIPMAP_NEAREST:
- sample_3d_linear_mipmap_nearest( tObj, s[i], t[i], u[i], lambda[i], rgba[i] );
+ sample_3d_linear_mipmap_nearest(ctx, tObj, s[i], t[i], u[i],
+ lambda[i], rgba[i]);
break;
case GL_NEAREST_MIPMAP_LINEAR:
- sample_3d_nearest_mipmap_linear( tObj, s[i], t[i], u[i], lambda[i], rgba[i] );
+ sample_3d_nearest_mipmap_linear(ctx, tObj, s[i], t[i], u[i],
+ lambda[i], rgba[i]);
break;
case GL_LINEAR_MIPMAP_LINEAR:
- sample_3d_linear_mipmap_linear( tObj, s[i], t[i], u[i], lambda[i], rgba[i] );
+ sample_3d_linear_mipmap_linear(ctx, tObj, s[i], t[i], u[i],
+ lambda[i], rgba[i]);
break;
default:
gl_problem(NULL, "Bad min filterin sample_3d_texture");
/* magnification */
switch (tObj->MagFilter) {
case GL_NEAREST:
- sample_3d_nearest( tObj, tObj->Image[tObj->BaseLevel], s[i], t[i], u[i], rgba[i] );
+ sample_3d_nearest(ctx, tObj, tObj->Image[tObj->BaseLevel],
+ s[i], t[i], u[i], rgba[i]);
break;
case GL_LINEAR:
- sample_3d_linear( tObj, tObj->Image[tObj->BaseLevel], s[i], t[i], u[i], rgba[i] );
+ sample_3d_linear(ctx, tObj, tObj->Image[tObj->BaseLevel],
+ s[i], t[i], u[i], rgba[i]);
break;
default:
gl_problem(NULL, "Bad mag filter in sample_3d_texture");
const struct gl_texture_image **images;
GLfloat newS, newT;
images = choose_cube_face(tObj, s[i], t[i], u[i], &newS, &newT);
- sample_2d_nearest( tObj, images[tObj->BaseLevel], newS, newT, rgba[i] );
+ sample_2d_nearest(ctx, tObj, images[tObj->BaseLevel],
+ newS, newT, rgba[i]);
}
}
const struct gl_texture_image **images;
GLfloat newS, newT;
images = choose_cube_face(tObj, s[i], t[i], u[i], &newS, &newT);
- sample_2d_linear( tObj, images[tObj->BaseLevel], newS, newT, rgba[i] );
+ sample_2d_linear(ctx, tObj, images[tObj->BaseLevel],
+ newS, newT, rgba[i]);
}
}
static void
-sample_cube_nearest_mipmap_nearest( const struct gl_texture_object *tObj,
- GLfloat s, GLfloat t, GLfloat u,
- GLfloat lambda, GLchan rgba[4] )
+sample_cube_nearest_mipmap_nearest(GLcontext *ctx,
+ const struct gl_texture_object *tObj,
+ GLfloat s, GLfloat t, GLfloat u,
+ GLfloat lambda, GLchan rgba[4])
{
const struct gl_texture_image **images;
GLfloat newS, newT;
COMPUTE_NEAREST_MIPMAP_LEVEL(tObj, lambda, level);
images = choose_cube_face(tObj, s, t, u, &newS, &newT);
- sample_2d_nearest( tObj, images[level], newS, newT, rgba );
+ sample_2d_nearest(ctx, tObj, images[level], newS, newT, rgba);
}
static void
-sample_cube_linear_mipmap_nearest( const struct gl_texture_object *tObj,
- GLfloat s, GLfloat t, GLfloat u,
- GLfloat lambda, GLchan rgba[4] )
+sample_cube_linear_mipmap_nearest(GLcontext *ctx,
+ const struct gl_texture_object *tObj,
+ GLfloat s, GLfloat t, GLfloat u,
+ GLfloat lambda, GLchan rgba[4])
{
const struct gl_texture_image **images;
GLfloat newS, newT;
COMPUTE_NEAREST_MIPMAP_LEVEL(tObj, lambda, level);
images = choose_cube_face(tObj, s, t, u, &newS, &newT);
- sample_2d_linear( tObj, images[level], newS, newT, rgba );
+ sample_2d_linear(ctx, tObj, images[level], newS, newT, rgba);
}
static void
-sample_cube_nearest_mipmap_linear( const struct gl_texture_object *tObj,
- GLfloat s, GLfloat t, GLfloat u,
- GLfloat lambda, GLchan rgba[4] )
+sample_cube_nearest_mipmap_linear(GLcontext *ctx,
+ const struct gl_texture_object *tObj,
+ GLfloat s, GLfloat t, GLfloat u,
+ GLfloat lambda, GLchan rgba[4])
{
const struct gl_texture_image **images;
GLfloat newS, newT;
images = choose_cube_face(tObj, s, t, u, &newS, &newT);
if (level >= tObj->_MaxLevel) {
- sample_2d_nearest( tObj, images[tObj->_MaxLevel], newS, newT, rgba );
+ sample_2d_nearest(ctx, tObj, images[tObj->_MaxLevel], newS, newT, rgba);
}
else {
GLchan t0[4], t1[4]; /* texels */
const GLfloat f = FRAC(lambda);
- sample_2d_nearest( tObj, images[level ], newS, newT, t0 );
- sample_2d_nearest( tObj, images[level+1], newS, newT, t1 );
+ sample_2d_nearest(ctx, tObj, images[level ], newS, newT, t0);
+ sample_2d_nearest(ctx, tObj, images[level+1], newS, newT, t1);
rgba[RCOMP] = (GLchan) (GLint) ((1.0F-f) * t0[RCOMP] + f * t1[RCOMP]);
rgba[GCOMP] = (GLchan) (GLint) ((1.0F-f) * t0[GCOMP] + f * t1[GCOMP]);
rgba[BCOMP] = (GLchan) (GLint) ((1.0F-f) * t0[BCOMP] + f * t1[BCOMP]);
static void
-sample_cube_linear_mipmap_linear( const struct gl_texture_object *tObj,
- GLfloat s, GLfloat t, GLfloat u,
- GLfloat lambda, GLchan rgba[4] )
+sample_cube_linear_mipmap_linear(GLcontext *ctx,
+ const struct gl_texture_object *tObj,
+ GLfloat s, GLfloat t, GLfloat u,
+ GLfloat lambda, GLchan rgba[4])
{
const struct gl_texture_image **images;
GLfloat newS, newT;
images = choose_cube_face(tObj, s, t, u, &newS, &newT);
if (level >= tObj->_MaxLevel) {
- sample_2d_linear( tObj, images[tObj->_MaxLevel], newS, newT, rgba );
+ sample_2d_linear(ctx, tObj, images[tObj->_MaxLevel], newS, newT, rgba);
}
else {
GLchan t0[4], t1[4];
const GLfloat f = FRAC(lambda);
- sample_2d_linear( tObj, images[level ], newS, newT, t0 );
- sample_2d_linear( tObj, images[level+1], newS, newT, t1 );
+ sample_2d_linear(ctx, tObj, images[level ], newS, newT, t0);
+ sample_2d_linear(ctx, tObj, images[level+1], newS, newT, t1);
rgba[RCOMP] = (GLchan) (GLint) ((1.0F-f) * t0[RCOMP] + f * t1[RCOMP]);
rgba[GCOMP] = (GLchan) (GLint) ((1.0F-f) * t0[GCOMP] + f * t1[GCOMP]);
rgba[BCOMP] = (GLchan) (GLint) ((1.0F-f) * t0[BCOMP] + f * t1[BCOMP]);
GLfloat newS, newT;
images = choose_cube_face(tObj, s[i], t[i], u[i],
&newS, &newT);
- sample_2d_nearest( tObj, images[tObj->BaseLevel],
- newS, newT, rgba[i] );
+ sample_2d_nearest(ctx, tObj, images[tObj->BaseLevel],
+ newS, newT, rgba[i]);
}
break;
case GL_LINEAR:
GLfloat newS, newT;
images = choose_cube_face(tObj, s[i], t[i], u[i],
&newS, &newT);
- sample_2d_linear( tObj, images[tObj->BaseLevel],
- newS, newT, rgba[i] );
+ sample_2d_linear(ctx, tObj, images[tObj->BaseLevel],
+ newS, newT, rgba[i]);
}
break;
case GL_NEAREST_MIPMAP_NEAREST:
- sample_cube_nearest_mipmap_nearest( tObj, s[i], t[i], u[i],
- lambda[i], rgba[i] );
+ sample_cube_nearest_mipmap_nearest(ctx, tObj, s[i], t[i], u[i],
+ lambda[i], rgba[i]);
break;
case GL_LINEAR_MIPMAP_NEAREST:
- sample_cube_linear_mipmap_nearest( tObj, s[i], t[i], u[i],
- lambda[i], rgba[i] );
+ sample_cube_linear_mipmap_nearest(ctx, tObj, s[i], t[i], u[i],
+ lambda[i], rgba[i]);
break;
case GL_NEAREST_MIPMAP_LINEAR:
- sample_cube_nearest_mipmap_linear( tObj, s[i], t[i], u[i],
- lambda[i], rgba[i] );
+ sample_cube_nearest_mipmap_linear(ctx, tObj, s[i], t[i], u[i],
+ lambda[i], rgba[i]);
break;
case GL_LINEAR_MIPMAP_LINEAR:
- sample_cube_linear_mipmap_linear( tObj, s[i], t[i], u[i],
- lambda[i], rgba[i] );
+ sample_cube_linear_mipmap_linear(ctx, tObj, s[i], t[i], u[i],
+ lambda[i], rgba[i]);
break;
default:
gl_problem(NULL, "Bad min filter in sample_lambda_cube");
&newS, &newT);
switch (tObj->MagFilter) {
case GL_NEAREST:
- sample_2d_nearest( tObj, images[tObj->BaseLevel],
- newS, newT, rgba[i] );
+ sample_2d_nearest(ctx, tObj, images[tObj->BaseLevel],
+ newS, newT, rgba[i]);
break;
case GL_LINEAR:
- sample_2d_linear( tObj, images[tObj->BaseLevel],
- newS, newT, rgba[i] );
+ sample_2d_linear(ctx, tObj, images[tObj->BaseLevel],
+ newS, newT, rgba[i]);
break;
default:
gl_problem(NULL, "Bad mag filter in sample_lambda_cube");
ASSERT(t->MinFilter==GL_NEAREST);
if (t->WrapS==GL_REPEAT && t->WrapT==GL_REPEAT
&& t->Image[0]->Border==0 && t->Image[0]->Format==GL_RGB) {
+ /* XXX check for well-known texture image format */
swrast->TextureSample[texUnit] = opt_sample_rgb_2d;
}
else if (t->WrapS==GL_REPEAT && t->WrapT==GL_REPEAT
&& t->Image[0]->Border==0 && t->Image[0]->Format==GL_RGBA) {
+ /* XXX check for well-known texture image format */
swrast->TextureSample[texUnit] = opt_sample_rgba_2d;
}
else
}
}
- /* fetch texture images from device driver, if needed */
- if (ctx->Driver.GetTexImage) {
- if (!_mesa_get_teximages_from_driver(ctx, textureUnit->_Current)) {
- return;
- }
- }
-
/* Sample the texture. */
SWRAST_CONTEXT(ctx)->TextureSample[texUnit]( ctx, texUnit,
textureUnit->_Current,
-/* $Id: s_triangle.c,v 1.10 2001/01/29 18:51:25 brianp Exp $ */
+/* $Id: s_triangle.c,v 1.11 2001/02/06 21:42:49 brianp Exp $ */
/*
* Mesa 3-D graphics library
GLfloat twidth = (GLfloat) obj->Image[b]->Width; \
GLfloat theight = (GLfloat) obj->Image[b]->Height; \
GLint twidth_log2 = obj->Image[b]->WidthLog2; \
- GLchan *texture = obj->Image[b]->Data; \
+ const GLchan *texture = (const GLchan *) obj->Image[b]->Data; \
GLint smask = obj->Image[b]->Width - 1; \
GLint tmask = obj->Image[b]->Height - 1; \
if (!texture) { \
- if (!_mesa_get_teximages_from_driver(ctx, obj)) \
- return; \
- texture = obj->Image[b]->Data; \
- ASSERT(texture); \
+ /* this shouldn't happen */ \
+ return; \
}
#define INNER_LOOP( LEFT, RIGHT, Y ) \
GLfloat twidth = (GLfloat) obj->Image[b]->Width; \
GLfloat theight = (GLfloat) obj->Image[b]->Height; \
GLint twidth_log2 = obj->Image[b]->WidthLog2; \
- GLchan *texture = obj->Image[b]->Data; \
+ const GLchan *texture = (const GLchan *) obj->Image[b]->Data; \
GLint smask = obj->Image[b]->Width - 1; \
GLint tmask = obj->Image[b]->Height - 1; \
if (!texture) { \
- if (!_mesa_get_teximages_from_driver(ctx, obj)) \
- return; \
- texture = obj->Image[b]->Data; \
- ASSERT(texture); \
+ /* this shouldn't happen */ \
+ return; \
}
#define INNER_LOOP( LEFT, RIGHT, Y ) \
GLfloat twidth = (GLfloat) obj->Image[b]->Width; \
GLfloat theight = (GLfloat) obj->Image[b]->Height; \
GLint twidth_log2 = obj->Image[b]->WidthLog2; \
- GLchan *texture = obj->Image[b]->Data; \
+ const GLchan *texture = (const GLchan *) obj->Image[b]->Data; \
GLint smask = obj->Image[b]->Width - 1; \
GLint tmask = obj->Image[b]->Height - 1; \
GLint format = obj->Image[b]->Format; \
GLfixed er, eg, eb, ea; \
GLint tr, tg, tb, ta; \
if (!texture) { \
- if (!_mesa_get_teximages_from_driver(ctx, obj)) \
- return; \
- texture = obj->Image[b]->Data; \
- ASSERT(texture); \
+ /* this shouldn't happen */ \
+ return; \
} \
if (envmode == GL_BLEND || envmode == GL_ADD) { \
/* potential off-by-one error here? (1.0f -> 2048 -> 0) */ \
GLint s = FixedToInt(ffs) & smask; \
GLint t = FixedToInt(fft) & tmask; \
GLint pos = (t << twidth_log2) + s; \
- GLchan *tex00 = texture + COMP * pos; \
+ const GLchan *tex00 = texture + COMP * pos; \
zspan[i] = FixedToDepth(ffz); \
fogspan[i] = fffog / 256; \
DO_TEX; \
GLint si = FIXED_FRAC_MASK - sf; \
GLint ti = FIXED_FRAC_MASK - tf; \
GLint pos = (t << twidth_log2) + s; \
- GLchan *tex00 = texture + COMP * pos; \
- GLchan *tex10 = tex00 + tbytesline; \
- GLchan *tex01 = tex00 + COMP; \
- GLchan *tex11 = tex10 + COMP; \
+ const GLchan *tex00 = texture + COMP * pos; \
+ const GLchan *tex10 = tex00 + tbytesline; \
+ const GLchan *tex01 = tex00 + COMP; \
+ const GLchan *tex11 = tex10 + COMP; \
if (t == tmask) { \
tex10 -= tsize; \
tex11 -= tsize; \
const GLfloat twidth = (GLfloat) obj->Image[b]->Width; \
const GLfloat theight = (GLfloat) obj->Image[b]->Height; \
const GLint twidth_log2 = obj->Image[b]->WidthLog2; \
- GLchan *texture = obj->Image[b]->Data; \
+ const GLchan *texture = (const GLchan *) obj->Image[b]->Data; \
const GLint smask = (obj->Image[b]->Width - 1); \
const GLint tmask = (obj->Image[b]->Height - 1); \
const GLint format = obj->Image[b]->Format; \
GLfixed er, eg, eb, ea; \
GLint tr, tg, tb, ta; \
if (!texture) { \
- if (!_mesa_get_teximages_from_driver(ctx, obj)) \
- return; \
- texture = obj->Image[b]->Data; \
- ASSERT(texture); \
+ /* this shouldn't happen */ \
+ return; \
} \
if (envmode == GL_BLEND || envmode == GL_ADD) { \
er = FloatToFixed(unit->EnvColor[0]); \
GLfixed er, eg, eb, ea; \
GLint tr, tg, tb, ta; \
if (!texture) { \
- if (!_mesa_get_teximages_from_driver(ctx, obj)) \
- return; \
- texture = obj->Image[b]->Data; \
- ASSERT(texture); \
+ return; \
} \
if (envmode == GL_BLEND || envmode == GL_ADD) { \
er = FloatToFixed(unit->EnvColor[0]); \
&& ((image = current2Dtex->Image[current2Dtex->BaseLevel]) != 0) /* correct! */
&& image->Border==0
&& ((format = image->Format)==GL_RGB || format==GL_RGBA)
+ && image->Type == CHAN_TYPE
&& (filter = current2Dtex->MinFilter)==current2Dtex->MagFilter
/* ==> current2Dtex->MinFilter != GL_XXX_MIPMAP_XXX */
&& ctx->Light.Model.ColorControl==GL_SINGLE_COLOR
-/* $Id: s_tritemp.h,v 1.8 2001/01/29 18:51:25 brianp Exp $ */
+/* $Id: s_tritemp.h,v 1.9 2001/02/06 21:42:49 brianp Exp $ */
/*
* Mesa 3-D graphics library
#error "Mipmapping without texturing doesn't make sense."
#endif
GLfloat lambda_nominator;
-#endif
+#endif /* INTERP_LAMBDA */
/*
-/* $Id: t_imm_exec.c,v 1.9 2001/01/24 00:04:59 brianp Exp $ */
+/* $Id: t_imm_exec.c,v 1.10 2001/02/06 21:42:49 brianp Exp $ */
/*
* Mesa 3-D graphics library
#include "mmath.h"
#include "light.h"
#include "state.h"
-#include "texture.h"
#include "mtypes.h"
#include "math/m_matrix.h"
-/* $Id: t_imm_fixup.c,v 1.4 2001/01/24 00:04:59 brianp Exp $ */
+/* $Id: t_imm_fixup.c,v 1.5 2001/02/06 21:42:49 brianp Exp $ */
/*
* Mesa 3-D graphics library
#include "mem.h"
#include "mmath.h"
#include "state.h"
-#include "texture.h"
#include "mtypes.h"
#include "math/m_matrix.h"
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