From: Brian Paul <brianp@vmware.com>
Date: Sat, 19 Sep 2009 17:09:25 +0000 (-0600)
Subject: swrast: remove obsolete s_texstore.c
X-Git-Tag: mesa-7.8~2720^2~299
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=67cad78e08f1a0770c5a7f67ecaf8145b2fdbdc4;p=platform%2Fupstream%2Fmesa.git

swrast: remove obsolete s_texstore.c

Replaced by new, simpler meta functions.
---

diff --git a/src/mesa/swrast/s_texstore.c b/src/mesa/swrast/s_texstore.c
deleted file mode 100644
index 4f19d19..0000000
--- a/src/mesa/swrast/s_texstore.c
+++ /dev/null
@@ -1,576 +0,0 @@
-/*
- * Mesa 3-D graphics library
- * Version:  6.5.2
- *
- * Copyright (C) 1999-2006  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 "main/glheader.h"
-#include "main/imports.h"
-#include "main/colormac.h"
-#include "main/context.h"
-#include "main/convolve.h"
-#include "main/image.h"
-#include "main/macros.h"
-#include "main/mipmap.h"
-#include "main/texformat.h"
-#include "main/teximage.h"
-#include "main/texstore.h"
-
-#include "s_context.h"
-#include "s_depth.h"
-#include "s_span.h"
-
-
-/**
- * Read an RGBA image from the frame buffer.
- * This is used by glCopyTex[Sub]Image[12]D().
- * \param x  window source x
- * \param y  window source y
- * \param width  image width
- * \param height  image height
- * \param type  datatype for returned GL_RGBA image
- * \return pointer to image
- */
-static GLvoid *
-read_color_image( GLcontext *ctx, GLint x, GLint y, GLenum type,
-                  GLsizei width, GLsizei height )
-{
-   struct gl_renderbuffer *rb = ctx->ReadBuffer->_ColorReadBuffer;
-   const GLint pixelSize = _mesa_bytes_per_pixel(GL_RGBA, type);
-   const GLint stride = width * pixelSize;
-   GLint row;
-   GLubyte *image, *dst;
-
-   image = (GLubyte *) _mesa_malloc(width * height * pixelSize);
-   if (!image)
-      return NULL;
-
-   swrast_render_start(ctx);
-
-   dst = image;
-   for (row = 0; row < height; row++) {
-      _swrast_read_rgba_span(ctx, rb, width, x, y + row, type, dst);
-      dst += stride;
-   }
-
-   swrast_render_finish(ctx);
-
-   return image;
-}
-
-
-/**
- * As above, but read data from depth buffer.  Returned as GLuints.
- * \sa read_color_image
- */
-static GLuint *
-read_depth_image( GLcontext *ctx, GLint x, GLint y,
-                  GLsizei width, GLsizei height )
-{
-   struct gl_renderbuffer *rb = ctx->ReadBuffer->_DepthBuffer;
-   GLuint *image, *dst;
-   GLint i;
-
-   image = (GLuint *) _mesa_malloc(width * height * sizeof(GLuint));
-   if (!image)
-      return NULL;
-
-   swrast_render_start(ctx);
-
-   dst = image;
-   for (i = 0; i < height; i++) {
-      _swrast_read_depth_span_uint(ctx, rb, width, x, y + i, dst);
-      dst += width;
-   }
-
-   swrast_render_finish(ctx);
-
-   return image;
-}
-
-
-/**
- * As above, but read data from depth+stencil buffers.
- */
-static GLuint *
-read_depth_stencil_image(GLcontext *ctx, GLint x, GLint y,
-                         GLsizei width, GLsizei height)
-{
-   struct gl_renderbuffer *depthRb = ctx->ReadBuffer->_DepthBuffer;
-   struct gl_renderbuffer *stencilRb = ctx->ReadBuffer->_StencilBuffer;
-   GLuint *image, *dst;
-   GLint i;
-
-   ASSERT(depthRb);
-   ASSERT(stencilRb);
-
-   image = (GLuint *) _mesa_malloc(width * height * sizeof(GLuint));
-   if (!image)
-      return NULL;
-
-   swrast_render_start(ctx);
-
-   /* read from depth buffer */
-   dst = image;
-   if (depthRb->DataType == GL_UNSIGNED_INT) {
-      for (i = 0; i < height; i++) {
-         _swrast_get_row(ctx, depthRb, width, x, y + i, dst, sizeof(GLuint));
-         dst += width;
-      }
-   }
-   else {
-      GLushort z16[MAX_WIDTH];
-      ASSERT(depthRb->DataType == GL_UNSIGNED_SHORT);
-      for (i = 0; i < height; i++) {
-         GLint j;
-         _swrast_get_row(ctx, depthRb, width, x, y + i, z16, sizeof(GLushort));
-         /* convert GLushorts to GLuints */
-         for (j = 0; j < width; j++) {
-            dst[j] = z16[j];
-         }
-         dst += width;
-      }
-   }
-
-   /* put depth values into bits 0xffffff00 */
-   if (ctx->ReadBuffer->Visual.depthBits == 24) {
-      GLint j;
-      for (j = 0; j < width * height; j++) {
-         image[j] <<= 8;
-      }
-   }
-   else if (ctx->ReadBuffer->Visual.depthBits == 16) {
-      GLint j;
-      for (j = 0; j < width * height; j++) {
-         image[j] = (image[j] << 16) | (image[j] & 0xff00);
-      }      
-   }
-   else {
-      /* this handles arbitrary depthBits >= 12 */
-      const GLint rShift = ctx->ReadBuffer->Visual.depthBits;
-      const GLint lShift = 32 - rShift;
-      GLint j;
-      for (j = 0; j < width * height; j++) {
-         GLuint z = (image[j] << lShift);
-         image[j] = z | (z >> rShift);
-      }
-   }
-
-   /* read stencil values and interleave into image array */
-   dst = image;
-   for (i = 0; i < height; i++) {
-      GLstencil stencil[MAX_WIDTH];
-      GLint j;
-      ASSERT(8 * sizeof(GLstencil) == stencilRb->StencilBits);
-      _swrast_get_row(ctx, stencilRb, width, x, y + i,
-                      stencil, sizeof(GLstencil));
-      for (j = 0; j < width; j++) {
-         dst[j] = (dst[j] & 0xffffff00) | (stencil[j] & 0xff);
-      }
-      dst += width;
-   }
-
-   swrast_render_finish(ctx);
-
-   return image;
-}
-
-
-static GLboolean
-is_depth_format(GLenum format)
-{
-   switch (format) {
-      case GL_DEPTH_COMPONENT:
-      case GL_DEPTH_COMPONENT16:
-      case GL_DEPTH_COMPONENT24:
-      case GL_DEPTH_COMPONENT32:
-         return GL_TRUE;
-      default:
-         return GL_FALSE;
-   }
-}
-
-
-static GLboolean
-is_depth_stencil_format(GLenum format)
-{
-   switch (format) {
-      case GL_DEPTH_STENCIL_EXT:
-      case GL_DEPTH24_STENCIL8_EXT:
-         return GL_TRUE;
-      default:
-         return GL_FALSE;
-   }
-}
-
-
-/*
- * Fallback for Driver.CopyTexImage1D().
- */
-void
-_swrast_copy_teximage1d( GLcontext *ctx, GLenum target, GLint level,
-                         GLenum internalFormat,
-                         GLint x, GLint y, GLsizei width, GLint border )
-{
-   struct gl_texture_unit *texUnit;
-   struct gl_texture_object *texObj;
-   struct gl_texture_image *texImage;
-
-   texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
-   texObj = _mesa_select_tex_object(ctx, texUnit, target);
-   ASSERT(texObj);
-   texImage = _mesa_select_tex_image(ctx, texObj, target, level);
-   ASSERT(texImage);
-
-   ASSERT(ctx->Driver.TexImage1D);
-
-   if (is_depth_format(internalFormat)) {
-      /* read depth image from framebuffer */
-      GLuint *image = read_depth_image(ctx, x, y, width, 1);
-      if (!image) {
-         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexImage1D");
-         return;
-      }
-      /* call glTexImage1D to redefine the texture */
-      ctx->Driver.TexImage1D(ctx, target, level, internalFormat,
-                             width, border,
-                             GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, image,
-                             &ctx->DefaultPacking, texObj, texImage);
-      _mesa_free(image);
-   }
-   else if (is_depth_stencil_format(internalFormat)) {
-      /* read depth/stencil image from framebuffer */
-      GLuint *image = read_depth_stencil_image(ctx, x, y, width, 1);
-      if (!image) {
-         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexImage1D");
-         return;
-      }
-      /* call glTexImage1D to redefine the texture */
-      ctx->Driver.TexImage1D(ctx, target, level, internalFormat,
-                             width, border,
-                             GL_DEPTH_STENCIL_EXT, GL_UNSIGNED_INT_24_8_EXT,
-                             image, &ctx->DefaultPacking, texObj, texImage);
-      _mesa_free(image);
-   }
-   else {
-      /* read RGBA image from framebuffer */
-      const GLenum format = GL_RGBA;
-      const GLenum type = ctx->ReadBuffer->_ColorReadBuffer->DataType;
-      GLvoid *image = read_color_image(ctx, x, y, type, width, 1);
-      if (!image) {
-         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexImage1D");
-         return;
-      }
-      /* call glTexImage1D to redefine the texture */
-      ctx->Driver.TexImage1D(ctx, target, level, internalFormat,
-                             width, border, format, type, image,
-                             &ctx->DefaultPacking, texObj, texImage);
-      _mesa_free(image);
-   }
-}
-
-
-/**
- * Fallback for Driver.CopyTexImage2D().
- *
- * We implement CopyTexImage by reading the image from the framebuffer
- * then passing it to the ctx->Driver.TexImage2D() function.
- *
- * Device drivers should try to implement direct framebuffer->texture copies.
- */
-void
-_swrast_copy_teximage2d( GLcontext *ctx, GLenum target, GLint level,
-                         GLenum internalFormat,
-                         GLint x, GLint y, GLsizei width, GLsizei height,
-                         GLint border )
-{
-   struct gl_texture_unit *texUnit;
-   struct gl_texture_object *texObj;
-   struct gl_texture_image *texImage;
-
-   texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
-   texObj = _mesa_select_tex_object(ctx, texUnit, target);
-   ASSERT(texObj);
-   texImage = _mesa_select_tex_image(ctx, texObj, target, level);
-   ASSERT(texImage);
-
-   ASSERT(ctx->Driver.TexImage2D);
-
-   if (is_depth_format(internalFormat)) {
-      /* read depth image from framebuffer */
-      GLuint *image = read_depth_image(ctx, x, y, width, height);
-      if (!image) {
-         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexImage2D");
-         return;
-      }
-      /* call glTexImage2D to redefine the texture */
-      ctx->Driver.TexImage2D(ctx, target, level, internalFormat,
-                             width, height, border,
-                             GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, image,
-                             &ctx->DefaultPacking, texObj, texImage);
-      _mesa_free(image);
-   }
-   else if (is_depth_stencil_format(internalFormat)) {
-      GLuint *image = read_depth_stencil_image(ctx, x, y, width, height);
-      if (!image) {
-         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexImage2D");
-         return;
-      }
-      /* call glTexImage2D to redefine the texture */
-      ctx->Driver.TexImage2D(ctx, target, level, internalFormat,
-                             width, height, border,
-                             GL_DEPTH_STENCIL_EXT, GL_UNSIGNED_INT_24_8_EXT,
-                             image, &ctx->DefaultPacking, texObj, texImage);
-      _mesa_free(image);
-   }
-   else {
-      /* read RGBA image from framebuffer */
-      const GLenum format = GL_RGBA;
-      const GLenum type = ctx->ReadBuffer->_ColorReadBuffer->DataType;
-      GLvoid *image = read_color_image(ctx, x, y, type, width, height);
-      if (!image) {
-         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexImage2D");
-         return;
-      }
-      /* call glTexImage2D to redefine the texture */
-      ctx->Driver.TexImage2D(ctx, target, level, internalFormat,
-                             width, height, border, format, type, image,
-                             &ctx->DefaultPacking, texObj, texImage);
-      _mesa_free(image);
-   }
-}
-
-
-/*
- * Fallback for Driver.CopyTexSubImage1D().
- */
-void
-_swrast_copy_texsubimage1d( GLcontext *ctx, GLenum target, GLint level,
-                            GLint xoffset, GLint x, GLint y, GLsizei width )
-{
-   struct gl_texture_unit *texUnit;
-   struct gl_texture_object *texObj;
-   struct gl_texture_image *texImage;
-
-   texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
-   texObj = _mesa_select_tex_object(ctx, texUnit, target);
-   ASSERT(texObj);
-   texImage = _mesa_select_tex_image(ctx, texObj, target, level);
-   ASSERT(texImage);
-
-   ASSERT(ctx->Driver.TexImage1D);
-
-   if (texImage->_BaseFormat == GL_DEPTH_COMPONENT) {
-      /* read depth image from framebuffer */
-      GLuint *image = read_depth_image(ctx, x, y, width, 1);
-      if (!image) {
-         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexSubImage1D");
-         return;
-      }
-
-      /* call glTexSubImage1D to redefine the texture */
-      ctx->Driver.TexSubImage1D(ctx, target, level, xoffset, width,
-                                GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, image,
-                                &ctx->DefaultPacking, texObj, texImage);
-      _mesa_free(image);
-   }
-   else if (texImage->_BaseFormat == GL_DEPTH_STENCIL_EXT) {
-      /* read depth/stencil image from framebuffer */
-      GLuint *image = read_depth_stencil_image(ctx, x, y, width, 1);
-      if (!image) {
-         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexSubImage1D");
-         return;
-      }
-      /* call glTexImage1D to redefine the texture */
-      ctx->Driver.TexSubImage1D(ctx, target, level, xoffset, width,
-                                GL_DEPTH_STENCIL_EXT, GL_UNSIGNED_INT_24_8_EXT,
-                                image, &ctx->DefaultPacking, texObj, texImage);
-      _mesa_free(image);
-   }
-   else {
-      /* read RGBA image from framebuffer */
-      const GLenum format = GL_RGBA;
-      const GLenum type = ctx->ReadBuffer->_ColorReadBuffer->DataType;
-      GLvoid *image = read_color_image(ctx, x, y, type, width, 1);
-      if (!image) {
-         _mesa_error( ctx, GL_OUT_OF_MEMORY, "glCopyTexSubImage1D" );
-         return;
-      }
-      /* now call glTexSubImage1D to do the real work */
-      ctx->Driver.TexSubImage1D(ctx, target, level, xoffset, width,
-                                format, type, image,
-                                &ctx->DefaultPacking, texObj, texImage);
-      _mesa_free(image);
-   }
-}
-
-
-/**
- * Fallback for Driver.CopyTexSubImage2D().
- *
- * Read the image from the framebuffer then hand it
- * off to ctx->Driver.TexSubImage2D().
- */
-void
-_swrast_copy_texsubimage2d( GLcontext *ctx,
-                            GLenum target, GLint level,
-                            GLint xoffset, GLint yoffset,
-                            GLint x, GLint y, GLsizei width, GLsizei height )
-{
-   struct gl_texture_unit *texUnit;
-   struct gl_texture_object *texObj;
-   struct gl_texture_image *texImage;
-
-   texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
-   texObj = _mesa_select_tex_object(ctx, texUnit, target);
-   ASSERT(texObj);
-   texImage = _mesa_select_tex_image(ctx, texObj, target, level);
-   ASSERT(texImage);
-
-   ASSERT(ctx->Driver.TexImage2D);
-
-   if (texImage->_BaseFormat == GL_DEPTH_COMPONENT) {
-      /* read depth image from framebuffer */
-      GLuint *image = read_depth_image(ctx, x, y, width, height);
-      if (!image) {
-         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexSubImage2D");
-         return;
-      }
-      /* call glTexImage2D to redefine the texture */
-      ctx->Driver.TexSubImage2D(ctx, target, level,
-                                xoffset, yoffset, width, height,
-                                GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, image,
-                                &ctx->DefaultPacking, texObj, texImage);
-      _mesa_free(image);
-   }
-   else if (texImage->_BaseFormat == GL_DEPTH_STENCIL_EXT) {
-      /* read depth/stencil image from framebuffer */
-      GLuint *image = read_depth_stencil_image(ctx, x, y, width, height);
-      if (!image) {
-         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexSubImage2D");
-         return;
-      }
-      /* call glTexImage2D to redefine the texture */
-      ctx->Driver.TexSubImage2D(ctx, target, level,
-                                xoffset, yoffset, width, height,
-                                GL_DEPTH_STENCIL_EXT, GL_UNSIGNED_INT_24_8_EXT,
-                                image, &ctx->DefaultPacking, texObj, texImage);
-      _mesa_free(image);
-   }
-   else {
-      /* read RGBA image from framebuffer */
-      const GLenum format = GL_RGBA;
-      const GLenum type = ctx->ReadBuffer->_ColorReadBuffer->DataType;
-      GLvoid *image = read_color_image(ctx, x, y, type, width, height);
-      if (!image) {
-         _mesa_error( ctx, GL_OUT_OF_MEMORY, "glCopyTexSubImage2D" );
-         return;
-      }
-      /* now call glTexSubImage2D to do the real work */
-      ctx->Driver.TexSubImage2D(ctx, target, level,
-                                xoffset, yoffset, width, height,
-                                format, type, image,
-                                &ctx->DefaultPacking, texObj, texImage);
-      _mesa_free(image);
-   }
-}
-
-
-/*
- * Fallback for Driver.CopyTexSubImage3D().
- */
-void
-_swrast_copy_texsubimage3d( GLcontext *ctx,
-                            GLenum target, GLint level,
-                            GLint xoffset, GLint yoffset, GLint zoffset,
-                            GLint x, GLint y, GLsizei width, GLsizei height )
-{
-   struct gl_texture_unit *texUnit;
-   struct gl_texture_object *texObj;
-   struct gl_texture_image *texImage;
-
-   texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
-   texObj = _mesa_select_tex_object(ctx, texUnit, target);
-   ASSERT(texObj);
-   texImage = _mesa_select_tex_image(ctx, texObj, target, level);
-   ASSERT(texImage);
-
-   ASSERT(ctx->Driver.TexImage3D);
-
-   if (texImage->_BaseFormat == GL_DEPTH_COMPONENT) {
-      /* read depth image from framebuffer */
-      GLuint *image = read_depth_image(ctx, x, y, width, height);
-      if (!image) {
-         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexSubImage3D");
-         return;
-      }
-      /* call glTexImage3D to redefine the texture */
-      ctx->Driver.TexSubImage3D(ctx, target, level,
-                                xoffset, yoffset, zoffset, width, height, 1,
-                                GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, image,
-                                &ctx->DefaultPacking, texObj, texImage);
-      _mesa_free(image);
-   }
-   else if (texImage->_BaseFormat == GL_DEPTH_STENCIL_EXT) {
-      /* read depth/stencil image from framebuffer */
-      GLuint *image = read_depth_stencil_image(ctx, x, y, width, height);
-      if (!image) {
-         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexSubImage3D");
-         return;
-      }
-      /* call glTexImage3D to redefine the texture */
-      ctx->Driver.TexSubImage3D(ctx, target, level,
-                                xoffset, yoffset, zoffset, width, height, 1,
-                                GL_DEPTH_STENCIL_EXT, GL_UNSIGNED_INT_24_8_EXT,
-                                image, &ctx->DefaultPacking, texObj, texImage);
-      _mesa_free(image);
-   }
-   else {
-      /* read RGBA image from framebuffer */
-      const GLenum format = GL_RGBA;
-      const GLenum type = ctx->ReadBuffer->_ColorReadBuffer->DataType;
-      GLvoid *image = read_color_image(ctx, x, y, type, width, height);
-      if (!image) {
-         _mesa_error( ctx, GL_OUT_OF_MEMORY, "glCopyTexSubImage3D" );
-         return;
-      }
-      /* now call glTexSubImage3D to do the real work */
-      ctx->Driver.TexSubImage3D(ctx, target, level,
-                                xoffset, yoffset, zoffset, width, height, 1,
-                                format, type, image,
-                                &ctx->DefaultPacking, texObj, texImage);
-      _mesa_free(image);
-   }
-}