From fe5d67d95f3a5fc84c5421d409a6464642aaf2cb Mon Sep 17 00:00:00 2001 From: Keith Whitwell Date: Fri, 27 Oct 2000 16:44:40 +0000 Subject: [PATCH] Implement EXT_fog_coord and EXT_secondary_color. EXT_secondary_color is disabled until we get some dispatch offsets from SGI. --- src/mesa/drivers/glide/fxdd.c | 1 + src/mesa/main/clip.c | 4 +- src/mesa/main/context.c | 22 ++- src/mesa/main/dlist.c | 26 ++- src/mesa/main/drawpix.c | 34 ++-- src/mesa/main/enable.c | 18 ++- src/mesa/main/extensions.c | 9 +- src/mesa/main/fog.c | 368 ++++++++++++++++++++---------------------- src/mesa/main/fog.h | 28 +++- src/mesa/main/get.c | 156 +++++++++++++++++- src/mesa/main/light.c | 5 +- src/mesa/main/lines.c | 75 ++++++--- src/mesa/main/points.c | 133 +++++++-------- src/mesa/main/state.c | 59 +++---- src/mesa/main/varray.c | 188 +++++++++++++++++---- src/mesa/main/varray.h | 7 +- 16 files changed, 752 insertions(+), 381 deletions(-) diff --git a/src/mesa/drivers/glide/fxdd.c b/src/mesa/drivers/glide/fxdd.c index c0808c3..b69b699 100644 --- a/src/mesa/drivers/glide/fxdd.c +++ b/src/mesa/drivers/glide/fxdd.c @@ -886,6 +886,7 @@ void fxDDInitExtensions( GLcontext *ctx ) gl_extensions_disable(ctx, "GL_EXT_blend_minmax"); gl_extensions_disable(ctx, "GL_EXT_blend_subtract"); gl_extensions_disable(ctx, "GL_EXT_blend_color"); + gl_extensions_disable(ctx, "GL_EXT_fog_coord"); gl_extensions_add(ctx, DEFAULT_ON, "3DFX_set_global_palette", 0); diff --git a/src/mesa/main/clip.c b/src/mesa/main/clip.c index 5d589f7..1e98358 100644 --- a/src/mesa/main/clip.c +++ b/src/mesa/main/clip.c @@ -1,4 +1,4 @@ -/* $Id: clip.c,v 1.9 2000/09/26 20:53:53 brianp Exp $ */ +/* $Id: clip.c,v 1.10 2000/10/27 16:44:40 keithw Exp $ */ /* * Mesa 3-D graphics library @@ -396,7 +396,7 @@ void gl_update_clipmask( GLcontext *ctx ) mask |= CLIP_INDEX1; } - if (ctx->FogMode == FOG_FRAGMENT && (ctx->TriangleCaps & DD_CLIP_FOG_COORD)) + if (ctx->Fog.Enabled) mask |= CLIP_FOG_COORD; ctx->ClipInterpFunc = clip_interp_tab[mask]; diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c index 8a5bf55..43165b3 100644 --- a/src/mesa/main/context.c +++ b/src/mesa/main/context.c @@ -1,4 +1,4 @@ -/* $Id: context.c,v 1.95 2000/10/23 00:16:28 gareth Exp $ */ +/* $Id: context.c,v 1.96 2000/10/27 16:44:40 keithw Exp $ */ /* * Mesa 3-D graphics library @@ -698,6 +698,22 @@ init_fallback_arrays( GLcontext *ctx ) cl->Ptr = (void *) ctx->Current.ByteColor; cl->Enabled = 1; + cl = &ctx->Fallback.SecondaryColor; + cl->Size = 3; + cl->Type = GL_UNSIGNED_BYTE; + cl->Stride = 0; + cl->StrideB = 0; + cl->Ptr = (void *) ctx->Current.SecondaryColor; + cl->Enabled = 1; + + cl = &ctx->Fallback.FogCoord; + cl->Size = 1; + cl->Type = GL_FLOAT; + cl->Stride = 0; + cl->StrideB = 0; + cl->Ptr = (void *) &ctx->Current.FogCoord; + cl->Enabled = 1; + cl = &ctx->Fallback.Index; cl->Size = 1; cl->Type = GL_UNSIGNED_INT; @@ -887,6 +903,8 @@ init_attrib_groups( GLcontext *ctx ) ctx->Current.Flag = (VERT_NORM | VERT_INDEX | VERT_RGBA | + VERT_SPEC_RGB | + VERT_FOG_COORD | VERT_EDGE | VERT_TEX0_1 | VERT_TEX1_1 | @@ -969,6 +987,8 @@ init_attrib_groups( GLcontext *ctx ) ctx->Fog.Density = 1.0; ctx->Fog.Start = 0.0; ctx->Fog.End = 1.0; + ctx->Fog.ColorSumEnabled = GL_FALSE; + ctx->Fog.FogCoordinateSource = GL_FRAGMENT_DEPTH_EXT; /* Hint group */ ctx->Hint.PerspectiveCorrection = GL_DONT_CARE; diff --git a/src/mesa/main/dlist.c b/src/mesa/main/dlist.c index bb69c18..f37b804 100644 --- a/src/mesa/main/dlist.c +++ b/src/mesa/main/dlist.c @@ -1,4 +1,4 @@ -/* $Id: dlist.c,v 1.46 2000/09/26 20:53:53 brianp Exp $ */ +/* $Id: dlist.c,v 1.47 2000/10/27 16:44:40 keithw Exp $ */ /* * Mesa 3-D graphics library @@ -5076,6 +5076,10 @@ _mesa_init_dlist_table( struct _glapi_table *table, GLuint tableSize ) table->FeedbackBuffer = _mesa_FeedbackBuffer; table->Finish = _mesa_Finish; table->Flush = _mesa_Flush; + table->FogCoordfEXT = _mesa_FogCoordfEXT; + table->FogCoordfvEXT = _mesa_FogCoordfvEXT; + table->FogCoorddEXT = _mesa_FogCoorddEXT; + table->FogCoorddvEXT = _mesa_FogCoorddvEXT; table->Fogf = save_Fogf; table->Fogfv = save_Fogfv; table->Fogi = save_Fogi; @@ -5226,6 +5230,26 @@ _mesa_init_dlist_table( struct _glapi_table *table, GLuint tableSize ) table->Scaled = save_Scaled; table->Scalef = save_Scalef; table->Scissor = save_Scissor; + +#if 0 + table->SecondaryColor3fEXT = _mesa_SecondaryColor3bEXT; + table->SecondaryColor3fvEXT = _mesa_SecondaryColor3bvEXT; + table->SecondaryColor3dEXT = _mesa_SecondaryColor3sEXT; + table->SecondaryColordvEXT = _mesa_SecondaryColor3svEXT; + table->SecondaryColor3fEXT = _mesa_SecondaryColor3iEXT; + table->SecondaryColor3fvEXT = _mesa_SecondaryColor3ivEXT; + table->SecondaryColor3dEXT = _mesa_SecondaryColor3fEXT; + table->SecondaryColordvEXT = _mesa_SecondaryColor3fvEXT; + table->SecondaryColor3fEXT = _mesa_SecondaryColor3dEXT; + table->SecondaryColor3fvEXT = _mesa_SecondaryColor3dvEXT; + table->SecondaryColor3dEXT = _mesa_SecondaryColor3ubEXT; + table->SecondaryColordvEXT = _mesa_SecondaryColor3ubvEXT; + table->SecondaryColor3fEXT = _mesa_SecondaryColor3usEXT; + table->SecondaryColor3fvEXT = _mesa_SecondaryColor3usvEXT; + table->SecondaryColor3dEXT = _mesa_SecondaryColor3uiEXT; + table->SecondaryColordvEXT = _mesa_SecondaryColor3uivEXT; +#endif + table->SelectBuffer = _mesa_SelectBuffer; table->ShadeModel = save_ShadeModel; table->StencilFunc = save_StencilFunc; diff --git a/src/mesa/main/drawpix.c b/src/mesa/main/drawpix.c index 091d0ff..177458c 100644 --- a/src/mesa/main/drawpix.c +++ b/src/mesa/main/drawpix.c @@ -1,4 +1,4 @@ -/* $Id: drawpix.c,v 1.38 2000/10/17 00:42:02 brianp Exp $ */ +/* $Id: drawpix.c,v 1.39 2000/10/27 16:44:40 keithw Exp $ */ /* * Mesa 3-D graphics library @@ -239,7 +239,7 @@ fast_draw_pixels(GLcontext *ctx, GLint x, GLint y, GLint row; for (row=0; rowUnpack, ctx->ImageTransferState); if (zoom) { - gl_write_zoomed_index_span(ctx, drawWidth, x, y, zspan, indexes, desty); + gl_write_zoomed_index_span(ctx, drawWidth, x, y, zspan, 0, indexes, desty); } else { - gl_write_index_span(ctx, drawWidth, x, y, zspan, indexes, GL_BITMAP); + gl_write_index_span(ctx, drawWidth, x, y, zspan, 0, indexes, GL_BITMAP); } } } @@ -643,7 +643,7 @@ draw_depth_pixels( GLcontext *ctx, GLint x, GLint y, GLint i; for (i = 0; i < width; i++) zspan[i] = zptr[i]; - gl_write_rgba_span( ctx, width, x, y, zspan, rgba, GL_BITMAP ); + gl_write_rgba_span( ctx, width, x, y, zspan, 0, rgba, GL_BITMAP ); } } else if (type==GL_UNSIGNED_INT && ctx->Visual.DepthBits == 32 @@ -653,7 +653,7 @@ draw_depth_pixels( GLcontext *ctx, GLint x, GLint y, for (row = 0; row < height; row++, y++) { const GLuint *zptr = _mesa_image_address(&ctx->Unpack, pixels, width, height, GL_DEPTH_COMPONENT, type, 0, row, 0); - gl_write_rgba_span( ctx, width, x, y, zptr, rgba, GL_BITMAP ); + gl_write_rgba_span( ctx, width, x, y, zptr, 0, rgba, GL_BITMAP ); } } else { @@ -667,20 +667,21 @@ draw_depth_pixels( GLcontext *ctx, GLint x, GLint y, &ctx->Unpack, ctx->ImageTransferState ); if (ctx->Visual.RGBAflag) { if (zoom) { - gl_write_zoomed_rgba_span(ctx, width, x, y, zspan, + gl_write_zoomed_rgba_span(ctx, width, x, y, zspan, 0, (const GLubyte (*)[4])rgba, desty); } else { - gl_write_rgba_span(ctx, width, x, y, zspan, rgba, GL_BITMAP); + gl_write_rgba_span(ctx, width, x, y, zspan, 0, rgba, GL_BITMAP); } } else { if (zoom) { - gl_write_zoomed_index_span(ctx, width, x, y, zspan, + gl_write_zoomed_index_span(ctx, width, x, y, zspan, 0, ispan, GL_BITMAP); } else { - gl_write_index_span(ctx, width, x, y, zspan, ispan, GL_BITMAP); + gl_write_index_span(ctx, width, x, y, zspan, 0, + ispan, GL_BITMAP); } } @@ -827,11 +828,12 @@ draw_rgba_pixels( GLcontext *ctx, GLint x, GLint y, (CONST GLubyte (*)[]) rgba, NULL); } else if (zoom) { - gl_write_zoomed_rgba_span( ctx, width, x, y, zspan, + gl_write_zoomed_rgba_span( ctx, width, x, y, zspan, 0, (CONST GLubyte (*)[]) rgba, desty ); } else { - gl_write_rgba_span( ctx, (GLuint) width, x, y, zspan, rgba, GL_BITMAP); + gl_write_rgba_span( ctx, (GLuint) width, x, y, zspan, 0, + rgba, GL_BITMAP); } } } diff --git a/src/mesa/main/enable.c b/src/mesa/main/enable.c index a706ea5..2c0e333 100644 --- a/src/mesa/main/enable.c +++ b/src/mesa/main/enable.c @@ -1,4 +1,4 @@ -/* $Id: enable.c,v 1.26 2000/10/21 01:29:12 brianp Exp $ */ +/* $Id: enable.c,v 1.27 2000/10/27 16:44:40 keithw Exp $ */ /* * Mesa 3-D graphics library @@ -535,6 +535,16 @@ void _mesa_set_enable( GLcontext *ctx, GLenum cap, GLboolean state ) } break; + /* GL_EXT_secondary_color */ + case GL_COLOR_SUM_EXT: + ctx->Fog.ColorSumEnabled = state; + if (state) + SET_BITS(ctx->TriangleCaps, DD_SEPERATE_SPECULAR); + else if (ctx->Light.Model.ColorControl == GL_SINGLE_COLOR) + CLEAR_BITS(ctx->TriangleCaps, DD_SEPERATE_SPECULAR); + ctx->NewState |= NEW_RASTER_OPS; + break; + default: gl_error(ctx, GL_INVALID_ENUM, state ? "glEnable" : "glDisable"); return; @@ -815,6 +825,12 @@ client_state( GLcontext *ctx, GLenum cap, GLboolean state ) case GL_EDGE_FLAG_ARRAY: ctx->Array.EdgeFlag.Enabled = state; break; + case GL_FOG_COORDINATE_ARRAY_EXT: + ctx->Array.FogCoord.Enabled = state; + break; + case GL_SECONDARY_COLOR_ARRAY_EXT: + ctx->Array.SecondaryColor.Enabled = state; + break; default: gl_error( ctx, GL_INVALID_ENUM, "glEnable/DisableClientState" ); } diff --git a/src/mesa/main/extensions.c b/src/mesa/main/extensions.c index e687cd1..010e95a 100644 --- a/src/mesa/main/extensions.c +++ b/src/mesa/main/extensions.c @@ -1,4 +1,4 @@ -/* $Id: extensions.c,v 1.36 2000/09/25 16:03:59 brianp Exp $ */ +/* $Id: extensions.c,v 1.37 2000/10/27 16:44:40 keithw Exp $ */ /* * Mesa 3-D graphics library @@ -92,7 +92,12 @@ static struct { int enabled; const char *name; } default_extensions[] = { { DEFAULT_ON, "GL_SGIS_pixel_texture" }, { DEFAULT_ON, "GL_SGIS_texture_edge_clamp" }, { DEFAULT_ON, "GL_SGIX_pixel_texture" }, - { DEFAULT_OFF, "GL_3DFX_texture_compression_FXT1" } + { DEFAULT_OFF, "GL_3DFX_texture_compression_FXT1" }, + + { DEFAULT_OFF, "GL_EXT_secondary_color" }, + { DEFAULT_ON, "GL_EXT_fog_coord" }, + { DEFAULT_OFF, "GL_EXT_bgra" }, + { DEFAULT_OFF, "GL_EXT_cull_vertex" }, }; diff --git a/src/mesa/main/fog.c b/src/mesa/main/fog.c index d547bf7..0a6d565 100644 --- a/src/mesa/main/fog.c +++ b/src/mesa/main/fog.c @@ -1,4 +1,4 @@ -/* $Id: fog.c,v 1.20 2000/09/26 20:53:53 brianp Exp $ */ +/* $Id: fog.c,v 1.21 2000/10/27 16:44:40 keithw Exp $ */ /* * Mesa 3-D graphics library @@ -64,6 +64,7 @@ _mesa_Fogiv(GLenum pname, const GLint *params ) case GL_FOG_START: case GL_FOG_END: case GL_FOG_INDEX: + case GL_FOG_COORDINATE_SOURCE_EXT: p[0] = (GLfloat) *params; break; case GL_FOG_COLOR: @@ -123,6 +124,14 @@ _mesa_Fogfv( GLenum pname, const GLfloat *params ) ctx->Fog.Color[2] = params[2]; ctx->Fog.Color[3] = params[3]; break; + case GL_FOG_COORDINATE_SOURCE_EXT: { + GLenum p = (GLenum)(GLint) *params; + if (p == GL_FOG_COORDINATE_EXT || p == GL_FRAGMENT_DEPTH_EXT) + ctx->Fog.FogCoordinateSource = p; + else + gl_error( ctx, GL_INVALID_ENUM, "glFog" ); + break; + } default: gl_error( ctx, GL_INVALID_ENUM, "glFog" ); return; @@ -136,157 +145,183 @@ _mesa_Fogfv( GLenum pname, const GLfloat *params ) } -typedef void (*fog_func)( struct vertex_buffer *VB, GLuint side, - GLubyte flag ); - -typedef void (*fog_coord_func)( struct vertex_buffer *VB, - const GLvector4f *from, - GLubyte flag ); - -static fog_func fog_ci_tab[2]; -static fog_func fog_rgba_tab[2]; -static fog_coord_func make_fog_coord_tab[2]; - -/* - * Compute the fogged color for an array of vertices. - * Input: n - number of vertices - * v - array of vertices - * color - the original vertex colors - * Output: color - the fogged colors - * - */ -#define TAG(x) x##_raw -#define CULLCHECK -#define IDX 0 -#include "fog_tmp.h" - -#define TAG(x) x##_masked -#define CULLCHECK if (cullmask[i]&flag) -#define IDX 1 -#include "fog_tmp.h" void _mesa_init_fog( void ) { - init_fog_tab_masked(); - init_fog_tab_raw(); +} + +static GLvector1f *get_fogcoord_ptr( GLcontext *ctx, GLvector1f *tmp ) +{ + struct vertex_buffer *VB = ctx->VB; + + if (ctx->Fog.FogCoordinateSource == GL_FRAGMENT_DEPTH_EXT) { + if (!ctx->NeedEyeCoords) { + GLfloat *m = ctx->ModelView.m; + GLfloat plane[4]; + + plane[0] = m[2]; + plane[1] = m[6]; + plane[2] = m[10]; + plane[3] = m[14]; + + /* Full eye coords weren't required, just calculate the + * eye Z values. + */ + gl_dotprod_tab[0][VB->ObjPtr->size](&VB->Eye, 2, + VB->ObjPtr, plane, 0 ); + + tmp->data = &(VB->Eye.data[0][2]); + tmp->start = VB->Eye.start+2; + tmp->stride = VB->Eye.stride; + return tmp; + } + else + { + if (VB->EyePtr->size < 2) + gl_vector4f_clean_elem( &VB->Eye, VB->Count, 2 ); + + tmp->data = &(VB->EyePtr->data[0][2]); + tmp->start = VB->EyePtr->start+2; + tmp->stride = VB->EyePtr->stride; + return tmp; + } + } else + return VB->FogCoordPtr; } -/* - * Compute fog for the vertices in the vertex buffer. +/* Use lookup table & interpolation? */ -void -_mesa_fog_vertices( struct vertex_buffer *VB ) +static void +make_win_fog_coords( struct vertex_buffer *VB, + GLvector1f *fogcoord) { - GLcontext *ctx = VB->ctx; - GLuint i = VB->CullMode & 1; - - if (ctx->Visual.RGBAflag) { - /* Fog RGB colors */ - if (ctx->TriangleCaps & DD_TRI_LIGHT_TWOSIDE) { - fog_rgba_tab[i]( VB, 0, VERT_FACE_FRONT ); - fog_rgba_tab[i]( VB, 1, VERT_FACE_REAR ); - } else { - fog_rgba_tab[i]( VB, 0, VERT_FACE_FRONT|VERT_FACE_REAR ); + const GLcontext *ctx = VB->ctx; + GLfloat end = ctx->Fog.End; + GLfloat *v = fogcoord->start; + GLuint stride = fogcoord->stride; + GLuint n = VB->Count - VB->Start; + GLfloat *out; + GLfloat d; + GLuint i; + + VB->FogCoordPtr = VB->store.FogCoord; + out = VB->FogCoordPtr->data + VB->Start; + + switch (ctx->Fog.Mode) { + case GL_LINEAR: + d = 1.0F / (ctx->Fog.End - ctx->Fog.Start); + for ( i = 0 ; i < n ; i++, STRIDE_F(v, stride)) { + out[i] = (end - ABSF(*v)) * d; + if (0) fprintf(stderr, "z %f out %f\n", *v, out[i]); } - } - else { - /* Fog color indexes */ - if (ctx->TriangleCaps & DD_TRI_LIGHT_TWOSIDE) { - fog_ci_tab[i]( VB, 0, VERT_FACE_FRONT ); - fog_ci_tab[i]( VB, 1, VERT_FACE_REAR ); - } else { - fog_ci_tab[i]( VB, 0, VERT_FACE_FRONT|VERT_FACE_REAR ); + break; + case GL_EXP: + d = -ctx->Fog.Density; + for ( i = 0 ; i < n ; i++, STRIDE_F(v,stride)) { + out[i] = exp( d*ABSF(*v) ); + if (0) fprintf(stderr, "z %f out %f\n", *v, out[i]); + } + break; + case GL_EXP2: + d = -(ctx->Fog.Density*ctx->Fog.Density); + for ( i = 0 ; i < n ; i++, STRIDE_F(v, stride)) { + GLfloat z = *v; + out[i] = exp( d*z*z ); + if (0) fprintf(stderr, "z %f out %f\n", *v, out[i]); } + break; + default: + gl_problem(ctx, "Bad fog mode in make_fog_coord"); + return; } } -static void check_fog_coords( GLcontext *ctx, struct gl_pipeline_stage *d ) +void +_mesa_make_win_fog_coords( struct vertex_buffer *VB ) { - d->type = 0; + GLvector1f tmp; - if (ctx->FogMode==FOG_FRAGMENT) - { - d->type = PIPE_IMMEDIATE|PIPE_PRECALC; - d->inputs = VERT_OBJ_ANY; - d->outputs = VERT_FOG_COORD; - } + make_win_fog_coords( VB, get_fogcoord_ptr( VB->ctx, &tmp ) ); } -static void gl_make_fog_coords( struct vertex_buffer *VB ) + +/* + * Apply fog to an array of RGBA pixels. + * Input: n - number of pixels + * fog - array of interpolated screen-space fog coordinates in [0..1] + * red, green, blue, alpha - pixel colors + * Output: red, green, blue, alpha - fogged pixel colors + */ +void +_mesa_fog_rgba_pixels( const GLcontext *ctx, + GLuint n, + const GLfixed fog[], + GLubyte rgba[][4] ) { - GLcontext *ctx = VB->ctx; - - /* If full eye coords weren't required, just calculate the eye Z - * values. - */ - if (!ctx->NeedEyeCoords) { - GLfloat *m = ctx->ModelView.m; - GLfloat plane[4]; - - plane[0] = m[2]; - plane[1] = m[6]; - plane[2] = m[10]; - plane[3] = m[14]; - - gl_dotprod_tab[0][VB->ObjPtr->size](&VB->Eye, - 2, /* fill z coordinates */ - VB->ObjPtr, - plane, - 0 ); - - make_fog_coord_tab[0]( VB, &VB->Eye, 0 ); - } - else - { - make_fog_coord_tab[0]( VB, VB->EyePtr, 0 ); + GLfixed rFog = ctx->Fog.Color[0] * 255.0; + GLfixed gFog = ctx->Fog.Color[1] * 255.0; + GLfixed bFog = ctx->Fog.Color[2] * 255.0; + GLuint i; + + for (i=0;i> FIXED_SHIFT; + rgba[i][1] = (f*rgba[i][1] + g*gFog) >> FIXED_SHIFT; + rgba[i][2] = (f*rgba[i][2] + g*bFog) >> FIXED_SHIFT; } } -/* Drivers that want fog coordinates in VB->Spec[0] alpha, can substitute this - * stage for the default PIPE_OP_FOG pipeline stage. - */ -struct gl_pipeline_stage gl_fog_coord_stage = { - "build fog coordinates", - PIPE_OP_FOG, - PIPE_PRECALC|PIPE_IMMEDIATE, - 0, - NEW_FOG, - NEW_LIGHTING|NEW_RASTER_OPS|NEW_FOG|NEW_MODELVIEW, - 0, 0, - 0, 0, 0, - check_fog_coords, - gl_make_fog_coords -}; +/* + * Apply fog to an array of color index pixels. + * Input: n - number of pixels + * z - array of integer depth values + * index - pixel color indexes + * Output: index - fogged pixel color indexes + */ +void +_mesa_fog_ci_pixels( const GLcontext *ctx, + GLuint n, const GLfixed fog[], GLuint index[] ) +{ + GLuint idx = ctx->Fog.Index; + GLuint i; + + for (i=0;iProjectionMatrix.m[10]; GLfloat d = ctx->ProjectionMatrix.m[14]; GLuint i; - GLfloat rFog = ctx->Fog.Color[0] * 255.0F; - GLfloat gFog = ctx->Fog.Color[1] * 255.0F; - GLfloat bFog = ctx->Fog.Color[2] * 255.0F; - GLfloat tz = ctx->Viewport.WindowMap.m[MAT_TZ]; GLfloat szInv = 1.0F / ctx->Viewport.WindowMap.m[MAT_SZ]; @@ -298,14 +333,8 @@ _mesa_fog_rgba_pixels( const GLcontext *ctx, for (i=0;iFog.Density * eyez ); - g = 1.0F - f; - rgba[i][RCOMP] = (GLint) (f * rgba[i][RCOMP] + g * rFog); - rgba[i][GCOMP] = (GLint) (f * rgba[i][GCOMP] + g * gFog); - rgba[i][BCOMP] = (GLint) (f * rgba[i][BCOMP] + g * bFog); + if (eyez < 0.0) eyez = -eyez; + fogcoord[i] = exp( -ctx->Fog.Density * eyez ); } break; case GL_EXP2: @@ -329,29 +352,37 @@ _mesa_fog_rgba_pixels( const GLcontext *ctx, for (i=0;iProjectionMatrix.m[10]; - GLfloat d = ctx->ProjectionMatrix.m[14]; - GLuint i; - - GLfloat tz = ctx->Viewport.WindowMap.m[MAT_TZ]; - GLfloat szInv = 1.0F / ctx->Viewport.WindowMap.m[MAT_SZ]; - - switch (ctx->Fog.Mode) { - case GL_LINEAR: - { - GLfloat fogEnd = ctx->Fog.End; - GLfloat fogScale = 1.0F / (ctx->Fog.End - ctx->Fog.Start); - for (i=0;iFog.Index); - } - } - break; - case GL_EXP: - for (i=0;iFog.Density * eyez ); - f = CLAMP( f, 0.0F, 1.0F ); - index[i] = (GLuint) ((GLfloat) index[i] + (1.0F-f) * ctx->Fog.Index); - } - break; - case GL_EXP2: - { - GLfloat negDensitySquared = -ctx->Fog.Density * ctx->Fog.Density; - for (i=0;iFog.Index); - } - } - break; - default: - gl_problem(ctx, "Bad fog mode in _mesa_fog_ci_pixels"); - return; - } + GLfixed fog[MAX_WIDTH]; + _mesa_win_fog_coords_from_z( ctx, n, z, fog ); + _mesa_fog_ci_pixels( ctx, n, fog, index ); } + diff --git a/src/mesa/main/fog.h b/src/mesa/main/fog.h index bf781ff..d9b30d6 100644 --- a/src/mesa/main/fog.h +++ b/src/mesa/main/fog.h @@ -1,4 +1,4 @@ -/* $Id: fog.h,v 1.4 2000/04/05 22:08:54 brianp Exp $ */ +/* $Id: fog.h,v 1.5 2000/10/27 16:44:40 keithw Exp $ */ /* * Mesa 3-D graphics library @@ -32,8 +32,6 @@ #include "types.h" -extern struct gl_pipeline_stage gl_fog_coord_stage; - extern void _mesa_Fogf(GLenum pname, GLfloat param); @@ -57,12 +55,32 @@ _mesa_fog_vertices( struct vertex_buffer *VB ); extern void _mesa_fog_rgba_pixels( const GLcontext *ctx, - GLuint n, const GLdepth z[], + GLuint n, const GLfixed fog[], GLubyte rgba[][4] ); extern void _mesa_fog_ci_pixels( const GLcontext *ctx, - GLuint n, const GLdepth z[], GLuint indx[] ); + GLuint n, const GLfixed fog[], GLuint indx[] ); + + +extern void +_mesa_make_win_fog_coords( struct vertex_buffer *VB ); + + +extern void +_mesa_win_fog_coords_from_z( const GLcontext *ctx, + GLuint n, + const GLdepth z[], + GLfixed fogcoord[] ); + +extern void +_mesa_depth_fog_rgba_pixels( const GLcontext *ctx, + GLuint n, const GLdepth z[], GLubyte rgba[][4] ); + +extern void +_mesa_depth_fog_ci_pixels( const GLcontext *ctx, + GLuint n, const GLdepth z[], GLuint index[] ); + extern void diff --git a/src/mesa/main/get.c b/src/mesa/main/get.c index d10beda..6c21a81 100644 --- a/src/mesa/main/get.c +++ b/src/mesa/main/get.c @@ -1,4 +1,4 @@ -/* $Id: get.c,v 1.34 2000/09/26 20:53:53 brianp Exp $ */ +/* $Id: get.c,v 1.35 2000/10/27 16:44:40 keithw Exp $ */ /* * Mesa 3-D graphics library @@ -58,6 +58,7 @@ #endif + static GLenum pixel_texgen_mode(const GLcontext *ctx) { @@ -1228,6 +1229,42 @@ _mesa_GetBooleanv( GLenum pname, GLboolean *params ) case GL_POST_COLOR_MATRIX_COLOR_TABLE_SGI: *params = ctx->Pixel.PostColorMatrixColorTableEnabled; break; + + /* GL_EXT_secondary_color */ + case GL_COLOR_SUM_EXT: + *params = ctx->Fog.ColorSumEnabled; + break; + case GL_CURRENT_SECONDARY_COLOR_EXT: + params[0] = INT_TO_BOOL(ctx->Current.SecondaryColor[0]); + params[1] = INT_TO_BOOL(ctx->Current.SecondaryColor[1]); + params[2] = INT_TO_BOOL(ctx->Current.SecondaryColor[2]); + break; + case GL_SECONDARY_COLOR_ARRAY_EXT: + *params = ctx->Array.SecondaryColor.Enabled; + break; + case GL_SECONDARY_COLOR_ARRAY_TYPE_EXT: + *params = ENUM_TO_BOOL(ctx->Array.SecondaryColor.Type); + break; + case GL_SECONDARY_COLOR_ARRAY_STRIDE_EXT: + *params = INT_TO_BOOL(ctx->Array.SecondaryColor.Stride); + break; + case GL_SECONDARY_COLOR_ARRAY_SIZE_EXT: + *params = INT_TO_BOOL(ctx->Array.SecondaryColor.Stride); + break; + + /* GL_EXT_fog_coord */ + case GL_CURRENT_FOG_COORDINATE_EXT: + *params = FLOAT_TO_BOOL(ctx->Current.FogCoord); + break; + case GL_FOG_COORDINATE_ARRAY_EXT: + *params = ctx->Array.FogCoord.Enabled; + break; + case GL_FOG_COORDINATE_ARRAY_TYPE_EXT: + *params = ENUM_TO_BOOL(ctx->Array.FogCoord.Type); + break; + case GL_FOG_COORDINATE_ARRAY_STRIDE_EXT: + *params = INT_TO_BOOL(ctx->Array.FogCoord.Stride); + break; default: gl_error( ctx, GL_INVALID_ENUM, "glGetBooleanv" ); @@ -2384,6 +2421,43 @@ _mesa_GetDoublev( GLenum pname, GLdouble *params ) *params = (GLdouble) ctx->Pixel.PostColorMatrixColorTableEnabled; break; + /* GL_EXT_secondary_color */ + case GL_COLOR_SUM_EXT: + *params = (GLdouble) ctx->Fog.ColorSumEnabled; + break; + case GL_CURRENT_SECONDARY_COLOR_EXT: + params[0] = UBYTE_COLOR_TO_FLOAT_COLOR(ctx->Current.SecondaryColor[0]); + params[1] = UBYTE_COLOR_TO_FLOAT_COLOR(ctx->Current.SecondaryColor[1]); + params[2] = UBYTE_COLOR_TO_FLOAT_COLOR(ctx->Current.SecondaryColor[2]); + break; + case GL_SECONDARY_COLOR_ARRAY_EXT: + *params = (GLdouble) ctx->Array.SecondaryColor.Enabled; + break; + case GL_SECONDARY_COLOR_ARRAY_TYPE_EXT: + *params = (GLdouble) ctx->Array.SecondaryColor.Type; + break; + case GL_SECONDARY_COLOR_ARRAY_STRIDE_EXT: + *params = (GLdouble) ctx->Array.SecondaryColor.Stride; + break; + case GL_SECONDARY_COLOR_ARRAY_SIZE_EXT: + *params = (GLdouble) ctx->Array.SecondaryColor.Stride; + break; + + /* GL_EXT_fog_coord */ + case GL_CURRENT_FOG_COORDINATE_EXT: + *params = (GLdouble) ctx->Current.FogCoord; + break; + case GL_FOG_COORDINATE_ARRAY_EXT: + *params = (GLdouble) ctx->Array.FogCoord.Enabled; + break; + case GL_FOG_COORDINATE_ARRAY_TYPE_EXT: + *params = (GLdouble) ctx->Array.FogCoord.Type; + break; + case GL_FOG_COORDINATE_ARRAY_STRIDE_EXT: + *params = (GLdouble) ctx->Array.FogCoord.Stride; + break; + + default: gl_error( ctx, GL_INVALID_ENUM, "glGetDoublev" ); } @@ -3510,6 +3584,43 @@ _mesa_GetFloatv( GLenum pname, GLfloat *params ) *params = (GLfloat) ctx->Pixel.PostColorMatrixColorTableEnabled; break; + /* GL_EXT_secondary_color */ + case GL_COLOR_SUM_EXT: + *params = (GLfloat) ctx->Fog.ColorSumEnabled; + break; + case GL_CURRENT_SECONDARY_COLOR_EXT: + params[0] = UBYTE_COLOR_TO_FLOAT_COLOR(ctx->Current.SecondaryColor[0]); + params[1] = UBYTE_COLOR_TO_FLOAT_COLOR(ctx->Current.SecondaryColor[1]); + params[2] = UBYTE_COLOR_TO_FLOAT_COLOR(ctx->Current.SecondaryColor[2]); + break; + case GL_SECONDARY_COLOR_ARRAY_EXT: + *params = (GLfloat) ctx->Array.SecondaryColor.Enabled; + break; + case GL_SECONDARY_COLOR_ARRAY_TYPE_EXT: + *params = (GLfloat) ctx->Array.SecondaryColor.Type; + break; + case GL_SECONDARY_COLOR_ARRAY_STRIDE_EXT: + *params = (GLfloat) ctx->Array.SecondaryColor.Stride; + break; + case GL_SECONDARY_COLOR_ARRAY_SIZE_EXT: + *params = (GLfloat) ctx->Array.SecondaryColor.Stride; + break; + + /* GL_EXT_fog_coord */ + case GL_CURRENT_FOG_COORDINATE_EXT: + *params = (GLfloat) ctx->Current.FogCoord; + break; + case GL_FOG_COORDINATE_ARRAY_EXT: + *params = (GLfloat) ctx->Array.FogCoord.Enabled; + break; + case GL_FOG_COORDINATE_ARRAY_TYPE_EXT: + *params = (GLfloat) ctx->Array.FogCoord.Type; + break; + case GL_FOG_COORDINATE_ARRAY_STRIDE_EXT: + *params = (GLfloat) ctx->Array.FogCoord.Stride; + break; + + default: gl_error( ctx, GL_INVALID_ENUM, "glGetFloatv" ); } @@ -4667,6 +4778,43 @@ _mesa_GetIntegerv( GLenum pname, GLint *params ) *params = (GLint) ctx->Pixel.PostColorMatrixColorTableEnabled; break; + + /* GL_EXT_secondary_color */ + case GL_COLOR_SUM_EXT: + *params = (GLint) ctx->Fog.ColorSumEnabled; + break; + case GL_CURRENT_SECONDARY_COLOR_EXT: + params[0] = FLOAT_TO_INT( UBYTE_COLOR_TO_FLOAT_COLOR( ctx->Current.SecondaryColor[0] ) ); + params[1] = FLOAT_TO_INT( UBYTE_COLOR_TO_FLOAT_COLOR( ctx->Current.SecondaryColor[1] ) ); + params[2] = FLOAT_TO_INT( UBYTE_COLOR_TO_FLOAT_COLOR( ctx->Current.SecondaryColor[2] ) ); + break; + case GL_SECONDARY_COLOR_ARRAY_EXT: + *params = (GLint) ctx->Array.SecondaryColor.Enabled; + break; + case GL_SECONDARY_COLOR_ARRAY_TYPE_EXT: + *params = (GLint) ctx->Array.SecondaryColor.Type; + break; + case GL_SECONDARY_COLOR_ARRAY_STRIDE_EXT: + *params = (GLint) ctx->Array.SecondaryColor.Stride; + break; + case GL_SECONDARY_COLOR_ARRAY_SIZE_EXT: + *params = (GLint) ctx->Array.SecondaryColor.Stride; + break; + + /* GL_EXT_fog_coord */ + case GL_CURRENT_FOG_COORDINATE_EXT: + *params = (GLint) ctx->Current.FogCoord; + break; + case GL_FOG_COORDINATE_ARRAY_EXT: + *params = (GLint) ctx->Array.FogCoord.Enabled; + break; + case GL_FOG_COORDINATE_ARRAY_TYPE_EXT: + *params = (GLint) ctx->Array.FogCoord.Type; + break; + case GL_FOG_COORDINATE_ARRAY_STRIDE_EXT: + *params = (GLint) ctx->Array.FogCoord.Stride; + break; + default: gl_error( ctx, GL_INVALID_ENUM, "glGetIntegerv" ); } @@ -4702,6 +4850,12 @@ _mesa_GetPointerv( GLenum pname, GLvoid **params ) case GL_COLOR_ARRAY_POINTER: *params = ctx->Array.Color.Ptr; break; + case GL_SECONDARY_COLOR_ARRAY_POINTER_EXT: + *params = ctx->Array.SecondaryColor.Ptr; + break; + case GL_FOG_COORDINATE_ARRAY_POINTER_EXT: + *params = ctx->Array.FogCoord.Ptr; + break; case GL_INDEX_ARRAY_POINTER: *params = ctx->Array.Index.Ptr; break; diff --git a/src/mesa/main/light.c b/src/mesa/main/light.c index e9e19f9..962d298 100644 --- a/src/mesa/main/light.c +++ b/src/mesa/main/light.c @@ -1,4 +1,4 @@ -/* $Id: light.c,v 1.17 2000/09/26 20:53:53 brianp Exp $ */ +/* $Id: light.c,v 1.18 2000/10/27 16:44:40 keithw Exp $ */ /* * Mesa 3-D graphics library @@ -385,7 +385,8 @@ _mesa_LightModelfv( GLenum pname, const GLfloat *params ) case GL_LIGHT_MODEL_COLOR_CONTROL: if (params[0] == (GLfloat) GL_SINGLE_COLOR) { ctx->Light.Model.ColorControl = GL_SINGLE_COLOR; - CLEAR_BITS(ctx->TriangleCaps, DD_SEPERATE_SPECULAR); + if (!ctx->Fog.ColorSumEnabled) + CLEAR_BITS(ctx->TriangleCaps, DD_SEPERATE_SPECULAR); } else if (params[0] == (GLfloat) GL_SEPARATE_SPECULAR_COLOR) { ctx->Light.Model.ColorControl = GL_SEPARATE_SPECULAR_COLOR; diff --git a/src/mesa/main/lines.c b/src/mesa/main/lines.c index 41d3262..21501fb 100644 --- a/src/mesa/main/lines.c +++ b/src/mesa/main/lines.c @@ -1,4 +1,4 @@ -/* $Id: lines.c,v 1.16 2000/10/20 19:54:49 brianp Exp $ */ +/* $Id: lines.c,v 1.17 2000/10/27 16:44:40 keithw Exp $ */ /* * Mesa 3-D graphics library @@ -119,7 +119,7 @@ static void flat_ci_line( GLcontext *ctx, PB_SET_INDEX( ctx->PB, ctx->VB->IndexPtr->data[pvert] ); #define INTERP_XY 1 -#define PLOT(X,Y) PB_WRITE_PIXEL(ctx->PB, X, Y, 0); +#define PLOT(X,Y) PB_WRITE_PIXEL(ctx->PB, X, Y, 0, 0); #include "linetemp.h" @@ -136,7 +136,7 @@ static void flat_ci_z_line( GLcontext *ctx, #define INTERP_XY 1 #define INTERP_Z 1 -#define PLOT(X,Y) PB_WRITE_PIXEL(ctx->PB, X, Y, Z); +#define PLOT(X,Y) PB_WRITE_PIXEL(ctx->PB, X, Y, Z, fog0); #include "linetemp.h" @@ -153,7 +153,7 @@ static void flat_rgba_line( GLcontext *ctx, PB_SET_COLOR( ctx->PB, color[0], color[1], color[2], color[3] ); #define INTERP_XY 1 -#define PLOT(X,Y) PB_WRITE_PIXEL(ctx->PB, X, Y, 0); +#define PLOT(X,Y) PB_WRITE_PIXEL(ctx->PB, X, Y, 0, 0); #include "linetemp.h" @@ -171,7 +171,7 @@ static void flat_rgba_z_line( GLcontext *ctx, #define INTERP_XY 1 #define INTERP_Z 1 -#define PLOT(X,Y) PB_WRITE_PIXEL(ctx->PB, X, Y, Z); +#define PLOT(X,Y) PB_WRITE_PIXEL(ctx->PB, X, Y, Z, fog0); #include "linetemp.h" @@ -282,6 +282,7 @@ static void smooth_rgba_z_line( GLcontext *ctx, GLint *pbx = ctx->PB->x; GLint *pby = ctx->PB->y; GLdepth *pbz = ctx->PB->z; + GLfixed *pbfog = ctx->PB->fog; GLubyte (*pbrgba)[4] = ctx->PB->rgba; (void) pvert; @@ -296,6 +297,7 @@ static void smooth_rgba_z_line( GLcontext *ctx, pbx[count] = X; \ pby[count] = Y; \ pbz[count] = Z; \ + pbfog[count] = fog0; \ pbrgba[count][RCOMP] = FixedToInt(r0); \ pbrgba[count][GCOMP] = FixedToInt(g0); \ pbrgba[count][BCOMP] = FixedToInt(b0); \ @@ -326,6 +328,7 @@ static void general_smooth_ci_line( GLcontext *ctx, GLint *pbx = ctx->PB->x; GLint *pby = ctx->PB->y; GLdepth *pbz = ctx->PB->z; + GLfixed *pbfog = ctx->PB->fog; GLuint *pbi = ctx->PB->index; (void) pvert; @@ -342,6 +345,7 @@ static void general_smooth_ci_line( GLcontext *ctx, pbx[count] = X; \ pby[count] = Y; \ pbz[count] = Z; \ + pbfog[count] = fog0; \ pbi[count] = I; \ count++; \ CHECK_FULL(count); @@ -358,6 +362,7 @@ static void general_smooth_ci_line( GLcontext *ctx, pbx[count] = X; pbx[count+1] = X; \ pby[count] = Y; pby[count+1] = Y+1; \ pbz[count] = Z; pbz[count+1] = Z; \ + pbfog[count] = fog0; pbfog[count+1] = fog0; \ pbi[count] = I; pbi[count+1] = I; \ count += 2; \ CHECK_FULL(count); @@ -365,6 +370,7 @@ static void general_smooth_ci_line( GLcontext *ctx, pbx[count] = X; pbx[count+1] = X+1; \ pby[count] = Y; pby[count+1] = Y; \ pbz[count] = Z; pbz[count+1] = Z; \ + pbfog[count] = fog0; pbfog[count+1] = fog0; \ pbi[count] = I; pbi[count+1] = I; \ count += 2; \ CHECK_FULL(count); @@ -381,6 +387,7 @@ static void general_smooth_ci_line( GLcontext *ctx, pby[count] = Y; \ pbz[count] = Z; \ pbi[count] = I; \ + pbfog[count] = fog0; \ count++; \ CHECK_FULL(count); #include "linetemp.h" @@ -400,6 +407,7 @@ static void general_flat_ci_line( GLcontext *ctx, GLint *pbx = ctx->PB->x; GLint *pby = ctx->PB->y; GLdepth *pbz = ctx->PB->z; + GLfixed *pbfog = ctx->PB->fog; PB_SET_INDEX( ctx->PB, ctx->VB->IndexPtr->data[pvert] ); count = ctx->PB->count; @@ -413,6 +421,7 @@ static void general_flat_ci_line( GLcontext *ctx, pbx[count] = X; \ pby[count] = Y; \ pbz[count] = Z; \ + pbfog[count] = fog0; \ count++; \ CHECK_FULL(count); #include "linetemp.h" @@ -427,12 +436,14 @@ static void general_flat_ci_line( GLcontext *ctx, pbx[count] = X; pbx[count+1] = X; \ pby[count] = Y; pby[count+1] = Y+1; \ pbz[count] = Z; pbz[count+1] = Z; \ + pbfog[count] = fog0; pbfog[count+1] = fog0; \ count += 2; \ CHECK_FULL(count); #define YMAJOR_PLOT(X,Y) \ pbx[count] = X; pbx[count+1] = X+1; \ pby[count] = Y; pby[count+1] = Y; \ pbz[count] = Z; pbz[count+1] = Z; \ + pbfog[count] = fog0; pbfog[count+1] = fog0; \ count += 2; \ CHECK_FULL(count); #include "linetemp.h" @@ -446,6 +457,7 @@ static void general_flat_ci_line( GLcontext *ctx, pbx[count] = X; \ pby[count] = Y; \ pbz[count] = Z; \ + pbfog[count] = fog0; \ count++; \ CHECK_FULL(count); #include "linetemp.h" @@ -465,6 +477,7 @@ static void general_smooth_rgba_line( GLcontext *ctx, GLint *pbx = ctx->PB->x; GLint *pby = ctx->PB->y; GLdepth *pbz = ctx->PB->z; + GLfixed *pbfog = ctx->PB->fog; GLubyte (*pbrgba)[4] = ctx->PB->rgba; (void) pvert; @@ -482,6 +495,7 @@ static void general_smooth_rgba_line( GLcontext *ctx, pbx[count] = X; \ pby[count] = Y; \ pbz[count] = Z; \ + pbfog[count] = fog0; \ pbrgba[count][RCOMP] = FixedToInt(r0); \ pbrgba[count][GCOMP] = FixedToInt(g0); \ pbrgba[count][BCOMP] = FixedToInt(b0); \ @@ -502,6 +516,7 @@ static void general_smooth_rgba_line( GLcontext *ctx, pbx[count] = X; pbx[count+1] = X; \ pby[count] = Y; pby[count+1] = Y+1; \ pbz[count] = Z; pbz[count+1] = Z; \ + pbfog[count] = fog0; pbfog[count+1] = fog0; \ pbrgba[count][RCOMP] = FixedToInt(r0); \ pbrgba[count][GCOMP] = FixedToInt(g0); \ pbrgba[count][BCOMP] = FixedToInt(b0); \ @@ -516,6 +531,7 @@ static void general_smooth_rgba_line( GLcontext *ctx, pbx[count] = X; pbx[count+1] = X+1; \ pby[count] = Y; pby[count+1] = Y; \ pbz[count] = Z; pbz[count+1] = Z; \ + pbfog[count] = fog0; pbfog[count+1] = fog0; \ pbrgba[count][RCOMP] = FixedToInt(r0); \ pbrgba[count][GCOMP] = FixedToInt(g0); \ pbrgba[count][BCOMP] = FixedToInt(b0); \ @@ -539,6 +555,7 @@ static void general_smooth_rgba_line( GLcontext *ctx, pbx[count] = X; \ pby[count] = Y; \ pbz[count] = Z; \ + pbfog[count] = fog0; \ pbrgba[count][RCOMP] = FixedToInt(r0); \ pbrgba[count][GCOMP] = FixedToInt(g0); \ pbrgba[count][BCOMP] = FixedToInt(b0); \ @@ -566,7 +583,7 @@ static void general_flat_rgba_line( GLcontext *ctx, #define INTERP_Z 1 #define WIDE 1 #define STIPPLE 1 -#define PLOT(X,Y) PB_WRITE_PIXEL(ctx->PB, X, Y, Z); +#define PLOT(X,Y) PB_WRITE_PIXEL(ctx->PB, X, Y, Z, fog0); #include "linetemp.h" } else { @@ -575,10 +592,10 @@ static void general_flat_rgba_line( GLcontext *ctx, /* special case: unstippled and width=2 */ #define INTERP_XY 1 #define INTERP_Z 1 -#define XMAJOR_PLOT(X,Y) PB_WRITE_PIXEL(ctx->PB, X, Y, Z); \ - PB_WRITE_PIXEL(ctx->PB, X, Y+1, Z); -#define YMAJOR_PLOT(X,Y) PB_WRITE_PIXEL(ctx->PB, X, Y, Z); \ - PB_WRITE_PIXEL(ctx->PB, X+1, Y, Z); +#define XMAJOR_PLOT(X,Y) PB_WRITE_PIXEL(ctx->PB, X, Y, Z, fog0); \ + PB_WRITE_PIXEL(ctx->PB, X, Y+1, Z, fog0); +#define YMAJOR_PLOT(X,Y) PB_WRITE_PIXEL(ctx->PB, X, Y, Z, fog0); \ + PB_WRITE_PIXEL(ctx->PB, X+1, Y, Z, fog0); #include "linetemp.h" } else { @@ -586,7 +603,7 @@ static void general_flat_rgba_line( GLcontext *ctx, #define INTERP_XY 1 #define INTERP_Z 1 #define WIDE 1 -#define PLOT(X,Y) PB_WRITE_PIXEL(ctx->PB, X, Y, Z); +#define PLOT(X,Y) PB_WRITE_PIXEL(ctx->PB, X, Y, Z, fog0); #include "linetemp.h" } } @@ -603,6 +620,7 @@ static void flat_textured_line( GLcontext *ctx, GLint *pbx = ctx->PB->x; GLint *pby = ctx->PB->y; GLdepth *pbz = ctx->PB->z; + GLfixed *pbfog = ctx->PB->fog; GLfloat *pbs = ctx->PB->s[0]; GLfloat *pbt = ctx->PB->t[0]; GLfloat *pbu = ctx->PB->u[0]; @@ -622,6 +640,7 @@ static void flat_textured_line( GLcontext *ctx, pbx[count] = X; \ pby[count] = Y; \ pbz[count] = Z; \ + pbfog[count] = fog0; \ pbs[count] = fragTexcoord[0];\ pbt[count] = fragTexcoord[1];\ pbu[count] = fragTexcoord[2];\ @@ -641,6 +660,7 @@ static void flat_textured_line( GLcontext *ctx, pbx[count] = X; \ pby[count] = Y; \ pbz[count] = Z; \ + pbfog[count] = fog0; \ pbs[count] = fragTexcoord[0];\ pbt[count] = fragTexcoord[1];\ pbu[count] = fragTexcoord[2];\ @@ -664,6 +684,7 @@ static void smooth_textured_line( GLcontext *ctx, GLint *pbx = ctx->PB->x; GLint *pby = ctx->PB->y; GLdepth *pbz = ctx->PB->z; + GLfixed *pbfog = ctx->PB->fog; GLfloat *pbs = ctx->PB->s[0]; GLfloat *pbt = ctx->PB->t[0]; GLfloat *pbu = ctx->PB->u[0]; @@ -686,6 +707,7 @@ static void smooth_textured_line( GLcontext *ctx, pbx[count] = X; \ pby[count] = Y; \ pbz[count] = Z; \ + pbfog[count] = fog0; \ pbs[count] = fragTexcoord[0]; \ pbt[count] = fragTexcoord[1]; \ pbu[count] = fragTexcoord[2]; \ @@ -711,6 +733,7 @@ static void smooth_textured_line( GLcontext *ctx, pbx[count] = X; \ pby[count] = Y; \ pbz[count] = Z; \ + pbfog[count] = fog0; \ pbs[count] = fragTexcoord[0]; \ pbt[count] = fragTexcoord[1]; \ pbu[count] = fragTexcoord[2]; \ @@ -739,6 +762,7 @@ static void smooth_multitextured_line( GLcontext *ctx, GLint *pbx = ctx->PB->x; GLint *pby = ctx->PB->y; GLdepth *pbz = ctx->PB->z; + GLfixed *pbfog = ctx->PB->fog; GLubyte (*pbrgba)[4] = ctx->PB->rgba; GLubyte (*pbspec)[3] = ctx->PB->spec; (void) pvert; @@ -761,6 +785,7 @@ static void smooth_multitextured_line( GLcontext *ctx, pbx[count] = X; \ pby[count] = Y; \ pbz[count] = Z; \ + pbfog[count] = fog0; \ pbrgba[count][RCOMP] = FixedToInt(r0); \ pbrgba[count][GCOMP] = FixedToInt(g0); \ pbrgba[count][BCOMP] = FixedToInt(b0); \ @@ -796,6 +821,7 @@ static void smooth_multitextured_line( GLcontext *ctx, pbx[count] = X; \ pby[count] = Y; \ pbz[count] = Z; \ + pbfog[count] = fog0; \ pbrgba[count][RCOMP] = FixedToInt(r0); \ pbrgba[count][GCOMP] = FixedToInt(g0); \ pbrgba[count][BCOMP] = FixedToInt(b0); \ @@ -832,12 +858,13 @@ static void flat_multitextured_line( GLcontext *ctx, GLint *pbx = ctx->PB->x; GLint *pby = ctx->PB->y; GLdepth *pbz = ctx->PB->z; + GLfixed *pbfog = ctx->PB->fog; GLubyte (*pbrgba)[4] = ctx->PB->rgba; GLubyte (*pbspec)[3] = ctx->PB->spec; GLubyte *color = ctx->VB->ColorPtr->data[pvert]; - GLubyte sRed = ctx->VB->Specular ? ctx->VB->Specular[pvert][0] : 0; - GLubyte sGreen = ctx->VB->Specular ? ctx->VB->Specular[pvert][1] : 0; - GLubyte sBlue = ctx->VB->Specular ? ctx->VB->Specular[pvert][2] : 0; + GLubyte sRed = ctx->VB->SecondaryColorPtr->data ? ctx->VB->SecondaryColorPtr->data[pvert][0] : 0; + GLubyte sGreen = ctx->VB->SecondaryColorPtr->data ? ctx->VB->SecondaryColorPtr->data[pvert][1] : 0; + GLubyte sBlue = ctx->VB->SecondaryColorPtr->data ? ctx->VB->SecondaryColorPtr->data[pvert][2] : 0; (void) pvert; @@ -857,6 +884,7 @@ static void flat_multitextured_line( GLcontext *ctx, pbx[count] = X; \ pby[count] = Y; \ pbz[count] = Z; \ + pbfog[count] = fog0; \ pbrgba[count][RCOMP] = color[0]; \ pbrgba[count][GCOMP] = color[1]; \ pbrgba[count][BCOMP] = color[2]; \ @@ -890,6 +918,7 @@ static void flat_multitextured_line( GLcontext *ctx, pbx[count] = X; \ pby[count] = Y; \ pbz[count] = Z; \ + pbfog[count] = fog0; \ pbrgba[count][RCOMP] = color[0]; \ pbrgba[count][GCOMP] = color[1]; \ pbrgba[count][BCOMP] = color[2]; \ @@ -931,7 +960,7 @@ static void aa_rgba_line( GLcontext *ctx, #define INTERP_RGBA 1 #define PLOT(x, y) \ { \ - PB_WRITE_RGBA_PIXEL( pb, (x), (y), z, \ + PB_WRITE_RGBA_PIXEL( pb, (x), (y), z, fog0, \ red, green, blue, coverage ); \ } #include "lnaatemp.h" @@ -951,7 +980,8 @@ static void aa_tex_rgba_line( GLcontext *ctx, #define INTERP_TEX 1 #define PLOT(x, y) \ { \ - PB_WRITE_TEX_PIXEL( pb, (x), (y), z, red, green, blue, coverage, \ + PB_WRITE_TEX_PIXEL( pb, (x), (y), z, fog0, \ + red, green, blue, coverage, \ fragTexcoord[0], fragTexcoord[1], fragTexcoord[2] ); \ } #include "lnaatemp.h" @@ -973,7 +1003,7 @@ static void aa_multitex_rgba_line( GLcontext *ctx, #define INTERP_MULTITEX 1 #define PLOT(x, y) \ { \ - PB_WRITE_MULTITEX_SPEC_PIXEL( pb, (x), (y), z, \ + PB_WRITE_MULTITEX_SPEC_PIXEL( pb, (x), (y), z, fog0, \ red, green, blue, coverage, specRed, specGreen, specBlue, \ fragTexcoord ); \ } @@ -990,7 +1020,7 @@ static void aa_ci_line( GLcontext *ctx, #define INTERP_INDEX 1 #define PLOT(x, y) \ { \ - PB_WRITE_CI_PIXEL( pb, (x), (y), z, index + coverage ); \ + PB_WRITE_CI_PIXEL( pb, (x), (y), z, fog0, index + coverage ); \ } #include "lnaatemp.h" } @@ -1057,7 +1087,7 @@ _mesa_print_line_function(GLcontext *ctx) else if (ctx->Driver.LineFunc == null_line) printf("null_line\n"); else - printf("Driver func %p\n", ctx->Driver.PointsFunc); + printf("Driver func %p\n", ctx->Driver.LineFunc); } #endif @@ -1087,7 +1117,8 @@ void gl_set_line_function( GLcontext *ctx ) if (rgbmode) { if (ctx->Texture.ReallyEnabled) { if (ctx->Texture.MultiTextureEnabled - || ctx->Light.Model.ColorControl==GL_SEPARATE_SPECULAR_COLOR) + || ctx->Light.Model.ColorControl==GL_SEPARATE_SPECULAR_COLOR + || ctx->Fog.ColorSumEnabled) /* Multitextured! */ ctx->Driver.LineFunc = aa_multitex_rgba_line; else @@ -1136,7 +1167,7 @@ void gl_set_line_function( GLcontext *ctx ) else { if (ctx->Light.ShadeModel==GL_SMOOTH) { /* Width==1, non-stippled, smooth-shaded */ - if (ctx->Depth.Test || ctx->FogMode == FOG_FRAGMENT) { + if (ctx->Depth.Test || ctx->Fog.Enabled) { if (rgbmode) ctx->Driver.LineFunc = smooth_rgba_z_line; else @@ -1151,7 +1182,7 @@ void gl_set_line_function( GLcontext *ctx ) } else { /* Width==1, non-stippled, flat-shaded */ - if (ctx->Depth.Test || ctx->FogMode == FOG_FRAGMENT) { + if (ctx->Depth.Test || ctx->Fog.Enabled) { if (rgbmode) ctx->Driver.LineFunc = flat_rgba_z_line; else diff --git a/src/mesa/main/points.c b/src/mesa/main/points.c index 0ab383b..8895e1c 100644 --- a/src/mesa/main/points.c +++ b/src/mesa/main/points.c @@ -1,4 +1,4 @@ -/* $Id: points.c,v 1.15 2000/10/20 19:54:49 brianp Exp $ */ +/* $Id: points.c,v 1.16 2000/10/27 16:44:41 keithw Exp $ */ /* * Mesa 3-D graphics library @@ -153,19 +153,23 @@ size1_ci_points( GLcontext *ctx, GLuint first, GLuint last ) { struct vertex_buffer *VB = ctx->VB; struct pixel_buffer *PB = ctx->PB; - GLfloat *win; + GLfloat *win, *fog; GLint *pbx = PB->x, *pby = PB->y; GLdepth *pbz = PB->z; + GLfixed *pbfog = PB->fog; GLuint *pbi = PB->index; GLuint pbcount = PB->count; GLuint i; win = &VB->Win.data[first][0]; + fog = &VB->FogCoordPtr->data[first]; + for (i = first; i <= last; i++) { if (VB->ClipMask[i] == 0) { pbx[pbcount] = (GLint) win[0]; pby[pbcount] = (GLint) win[1]; pbz[pbcount] = (GLint) (win[2] + ctx->PointZoffset); + pbfog[pbcount] = FloatToFixed(fog[i]); pbi[pbcount] = VB->IndexPtr->data[i]; pbcount++; } @@ -190,18 +194,21 @@ size1_rgba_points( GLcontext *ctx, GLuint first, GLuint last ) for (i = first; i <= last; i++) { if (VB->ClipMask[i] == 0) { GLint x, y, z; + GLint fog; GLint red, green, blue, alpha; x = (GLint) VB->Win.data[i][0]; y = (GLint) VB->Win.data[i][1]; z = (GLint) (VB->Win.data[i][2] + ctx->PointZoffset); + fog = FloatToFixed( VB->FogCoordPtr->data[i] ); + red = VB->ColorPtr->data[i][0]; green = VB->ColorPtr->data[i][1]; blue = VB->ColorPtr->data[i][2]; alpha = VB->ColorPtr->data[i][3]; - PB_WRITE_RGBA_PIXEL( PB, x, y, z, red, green, blue, alpha ); + PB_WRITE_RGBA_PIXEL( PB, x, y, z, fog, red, green, blue, alpha ); } } PB_CHECK_FLUSH(ctx, PB); @@ -230,6 +237,8 @@ general_ci_points( GLcontext *ctx, GLuint first, GLuint last ) GLint y = (GLint) VB->Win.data[i][1]; GLint z = (GLint) (VB->Win.data[i][2] + ctx->PointZoffset); + GLfixed fog = FloatToFixed( VB->FogCoordPtr->data[i] ); + if (isize & 1) { /* odd size */ x0 = x - radius; @@ -249,7 +258,7 @@ general_ci_points( GLcontext *ctx, GLuint first, GLuint last ) for (iy = y0; iy <= y1; iy++) { for (ix = x0; ix <= x1; ix++) { - PB_WRITE_PIXEL( PB, ix, iy, z ); + PB_WRITE_PIXEL( PB, ix, iy, z, fog ); } } PB_CHECK_FLUSH(ctx,PB); @@ -279,6 +288,8 @@ general_rgba_points( GLcontext *ctx, GLuint first, GLuint last ) GLint y = (GLint) VB->Win.data[i][1]; GLint z = (GLint) (VB->Win.data[i][2] + ctx->PointZoffset); + GLfixed fog = FloatToFixed( VB->FogCoordPtr->data[i] ); + if (isize & 1) { /* odd size */ x0 = x - radius; @@ -302,7 +313,7 @@ general_rgba_points( GLcontext *ctx, GLuint first, GLuint last ) for (iy = y0; iy <= y1; iy++) { for (ix = x0; ix <= x1; ix++) { - PB_WRITE_PIXEL( PB, ix, iy, z ); + PB_WRITE_PIXEL( PB, ix, iy, z, fog ); } } PB_CHECK_FLUSH(ctx,PB); @@ -335,6 +346,8 @@ textured_rgba_points( GLcontext *ctx, GLuint first, GLuint last ) GLint z = (GLint) (VB->Win.data[i][2] + ctx->PointZoffset); GLint isize = (GLint) (ctx->Point.Size + 0.5F); + GLfixed fog = FloatToFixed( VB->FogCoordPtr->data[i] ); + if (isize < 1) { isize = 1; } @@ -389,7 +402,7 @@ textured_rgba_points( GLcontext *ctx, GLuint first, GLuint last ) for (iy = y0; iy <= y1; iy++) { for (ix = x0; ix <= x1; ix++) { - PB_WRITE_TEX_PIXEL( PB, ix, iy, z, red, green, blue, alpha, + PB_WRITE_TEX_PIXEL( PB, ix, iy, z, fog, red, green, blue, alpha, s, t, u ); } } @@ -416,9 +429,9 @@ multitextured_rgba_points( GLcontext *ctx, GLuint first, GLuint last ) const GLint green = VB->ColorPtr->data[i][1]; const GLint blue = VB->ColorPtr->data[i][2]; const GLint alpha = VB->ColorPtr->data[i][3]; - const GLint sRed = VB->Specular ? VB->Specular[i][0] : 0; - const GLint sGreen = VB->Specular ? VB->Specular[i][1] : 0; - const GLint sBlue = VB->Specular ? VB->Specular[i][2] : 0; + const GLint sRed = VB->SecondaryColorPtr->data ? VB->SecondaryColorPtr->data[i][0] : 0; + const GLint sGreen = VB->SecondaryColorPtr->data ? VB->SecondaryColorPtr->data[i][1] : 0; + const GLint sBlue = VB->SecondaryColorPtr->data ? VB->SecondaryColorPtr->data[i][2] : 0; const GLint x = (GLint) VB->Win.data[i][0]; const GLint y = (GLint) VB->Win.data[i][1]; const GLint z = (GLint) (VB->Win.data[i][2] + ctx->PointZoffset); @@ -428,6 +441,8 @@ multitextured_rgba_points( GLcontext *ctx, GLuint first, GLuint last ) GLint radius, u; GLint isize = (GLint) (ctx->Point.Size + 0.5F); + GLfixed fog = FloatToFixed( VB->FogCoordPtr->data[i] ); + if (isize < 1) { isize = 1; } @@ -483,7 +498,7 @@ multitextured_rgba_points( GLcontext *ctx, GLuint first, GLuint last ) for (iy = y0; iy <= y1; iy++) { for (ix = x0; ix <= x1; ix++) { - PB_WRITE_MULTITEX_SPEC_PIXEL( PB, ix, iy, z, + PB_WRITE_MULTITEX_SPEC_PIXEL( PB, ix, iy, z, fog, red, green, blue, alpha, sRed, sGreen, sBlue, texcoord ); @@ -541,6 +556,8 @@ antialiased_rgba_points( GLcontext *ctx, GLuint first, GLuint last ) GLfloat texcoord[MAX_TEXTURE_UNITS][4]; GLint u, alpha; + GLfixed fog = FloatToFixed( VB->FogCoordPtr->data[i] ); + for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { if (ctx->Texture.Unit[u].ReallyEnabled) { switch (VB->TexCoordPtr[0]->size) { @@ -591,11 +608,13 @@ antialiased_rgba_points( GLcontext *ctx, GLuint first, GLuint last ) alpha = (alpha * coverage) >> 8; } if (ctx->Texture.MultiTextureEnabled) { - PB_WRITE_MULTITEX_PIXEL( PB, x,y,z, red, green, blue, + PB_WRITE_MULTITEX_PIXEL( PB, x,y,z, fog, + red, green, blue, alpha, texcoord ); } else { - PB_WRITE_TEX_PIXEL( PB, x,y,z, red, green, blue, alpha, + PB_WRITE_TEX_PIXEL( PB, x,y,z, fog, + red, green, blue, alpha, texcoord[0][0], texcoord[0][1], texcoord[0][2] ); @@ -622,6 +641,8 @@ antialiased_rgba_points( GLcontext *ctx, GLuint first, GLuint last ) const GLint z = (GLint) (VB->Win.data[i][2] + ctx->PointZoffset); GLint x, y; + GLfixed fog = FloatToFixed( VB->FogCoordPtr->data[i] ); + /* printf("point %g, %g\n", VB->Win.data[i][0], VB->Win.data[i][1]); printf("%d..%d X %d..%d\n", xmin, xmax, ymin, ymax); @@ -638,7 +659,8 @@ antialiased_rgba_points( GLcontext *ctx, GLuint first, GLuint last ) /* coverage is in [0,256] */ alpha = (alpha * coverage) >> 8; } - PB_WRITE_RGBA_PIXEL(PB, x, y, z, red, green, blue, alpha); + PB_WRITE_RGBA_PIXEL(PB, x, y, z, fog, + red, green, blue, alpha); } } } @@ -715,35 +737,6 @@ static dist_func eye_dist_tab[5] = { }; -static void -clip_dist(GLfloat *out, GLuint first, GLuint last, - const GLcontext *ctx, GLvector4f *clip) -{ - /* this is never called */ - gl_problem(NULL, "clip_dist() called - dead code!\n"); - - (void) out; - (void) first; - (void) last; - (void) ctx; - (void) clip; - -#if 0 - GLuint i; - const GLfloat *from = (GLfloat *)clip_vec->start; - const GLuint stride = clip_vec->stride; - - for (i = first ; i <= last ; i++ ) - { - GLfloat dist = win[i][2]; - out[i] = 1/(ctx->Point.Params[0]+ - dist * (ctx->Point.Params[1] + - dist * ctx->Point.Params[2])); - } -#endif -} - - /* * Distance Attenuated General CI points. @@ -757,10 +750,9 @@ dist_atten_general_ci_points( GLcontext *ctx, GLuint first, GLuint last ) const GLfloat psize = ctx->Point.Size; GLuint i; - if (ctx->NeedEyeCoords) - (eye_dist_tab[VB->EyePtr->size])( dist, first, last, ctx, VB->EyePtr ); - else - clip_dist( dist, first, last, ctx, VB->ClipPtr ); + ASSERT(ctx->NeedEyeCoords); + (eye_dist_tab[VB->EyePtr->size])( dist, first, last, ctx, VB->EyePtr ); + for (i=first;i<=last;i++) { if (VB->ClipMask[i]==0) { @@ -772,6 +764,8 @@ dist_atten_general_ci_points( GLcontext *ctx, GLuint first, GLuint last ) GLint z = (GLint) (VB->Win.data[i][2] + ctx->PointZoffset); GLfloat dsize = psize * dist[i]; + GLfixed fog = FloatToFixed( VB->FogCoordPtr->data[i] ); + if (dsize >= ctx->Point.Threshold) { isize = (GLint) (MIN2(dsize, ctx->Point.MaxSize) + 0.5F); } @@ -799,7 +793,7 @@ dist_atten_general_ci_points( GLcontext *ctx, GLuint first, GLuint last ) for (iy=y0;iy<=y1;iy++) { for (ix=x0;ix<=x1;ix++) { - PB_WRITE_PIXEL( PB, ix, iy, z ); + PB_WRITE_PIXEL( PB, ix, iy, z, fog ); } } PB_CHECK_FLUSH(ctx,PB); @@ -819,10 +813,8 @@ dist_atten_general_rgba_points( GLcontext *ctx, GLuint first, GLuint last ) const GLfloat psize = ctx->Point.Size; GLuint i; - if (ctx->NeedEyeCoords) - (eye_dist_tab[VB->EyePtr->size])( dist, first, last, ctx, VB->EyePtr ); - else - clip_dist( dist, first, last, ctx, VB->ClipPtr ); + ASSERT (ctx->NeedEyeCoords); + (eye_dist_tab[VB->EyePtr->size])( dist, first, last, ctx, VB->EyePtr ); for (i=first;i<=last;i++) { if (VB->ClipMask[i]==0) { @@ -835,6 +827,8 @@ dist_atten_general_rgba_points( GLcontext *ctx, GLuint first, GLuint last ) GLfloat dsize=psize*dist[i]; GLubyte alpha; + GLfixed fog = FloatToFixed( VB->FogCoordPtr->data[i] ); + if (dsize >= ctx->Point.Threshold) { isize = (GLint) (MIN2(dsize,ctx->Point.MaxSize)+0.5F); alpha = VB->ColorPtr->data[i][3]; @@ -869,7 +863,7 @@ dist_atten_general_rgba_points( GLcontext *ctx, GLuint first, GLuint last ) for (iy = y0; iy <= y1; iy++) { for (ix = x0; ix <= x1; ix++) { - PB_WRITE_PIXEL( PB, ix, iy, z ); + PB_WRITE_PIXEL( PB, ix, iy, z, fog ); } } PB_CHECK_FLUSH(ctx,PB); @@ -889,10 +883,8 @@ dist_atten_textured_rgba_points( GLcontext *ctx, GLuint first, GLuint last ) const GLfloat psize = ctx->Point.Size; GLuint i; - if (ctx->NeedEyeCoords) - (eye_dist_tab[VB->EyePtr->size])( dist, first, last, ctx, VB->EyePtr ); - else - clip_dist( dist, first, last, ctx, VB->ClipPtr ); + ASSERT(ctx->NeedEyeCoords); + (eye_dist_tab[VB->EyePtr->size])( dist, first, last, ctx, VB->EyePtr ); for (i=first;i<=last;i++) { if (VB->ClipMask[i]==0) { @@ -908,6 +900,8 @@ dist_atten_textured_rgba_points( GLcontext *ctx, GLuint first, GLuint last ) GLint isize, radius; GLfloat dsize = psize*dist[i]; + GLfixed fog = FloatToFixed( VB->FogCoordPtr->data[i] ); + /* compute point size and alpha */ if (dsize >= ctx->Point.Threshold) { isize = (GLint) (MIN2(dsize, ctx->Point.MaxSize) + 0.5F); @@ -975,12 +969,13 @@ dist_atten_textured_rgba_points( GLcontext *ctx, GLuint first, GLuint last ) for (iy = y0; iy <= y1; iy++) { for (ix = x0; ix <= x1; ix++) { if (ctx->Texture.MultiTextureEnabled) { - PB_WRITE_MULTITEX_PIXEL( PB, ix, iy, z, + PB_WRITE_MULTITEX_PIXEL( PB, ix, iy, z, fog, red, green, blue, alpha, texcoord ); } else { - PB_WRITE_TEX_PIXEL( PB, ix, iy, z, red, green, blue, alpha, + PB_WRITE_TEX_PIXEL( PB, ix, iy, z, fog, + red, green, blue, alpha, texcoord[0][0], texcoord[0][1], texcoord[0][2] ); @@ -1004,10 +999,8 @@ dist_atten_antialiased_rgba_points( GLcontext *ctx, GLuint first, GLuint last ) const GLfloat psize = ctx->Point.Size; GLuint i; - if (ctx->NeedEyeCoords) - (eye_dist_tab[VB->EyePtr->size])( dist, first, last, ctx, VB->EyePtr ); - else - clip_dist( dist, first, last, ctx, VB->ClipPtr ); + ASSERT(ctx->NeedEyeCoords); + (eye_dist_tab[VB->EyePtr->size])( dist, first, last, ctx, VB->EyePtr ); if (ctx->Texture.ReallyEnabled) { for (i=first;i<=last;i++) { @@ -1020,6 +1013,8 @@ dist_atten_antialiased_rgba_points( GLcontext *ctx, GLuint first, GLuint last ) GLfloat dsize = psize * dist[i]; GLint u; + GLfixed fog = FloatToFixed( VB->FogCoordPtr->data[i] ); + if (dsize >= ctx->Point.Threshold) { radius = MIN2(dsize, ctx->Point.MaxSize) * 0.5F; alphaf = 1.0F; @@ -1093,12 +1088,13 @@ dist_atten_antialiased_rgba_points( GLcontext *ctx, GLuint first, GLuint last ) } alpha = (GLint) (alpha * alphaf); if (ctx->Texture.MultiTextureEnabled) { - PB_WRITE_MULTITEX_PIXEL( PB, x, y, z, + PB_WRITE_MULTITEX_PIXEL( PB, x, y, z, fog, red, green, blue, alpha, texcoord ); } else { - PB_WRITE_TEX_PIXEL( PB, x,y,z, red, green, blue, alpha, + PB_WRITE_TEX_PIXEL( PB, x,y,z, fog, + red, green, blue, alpha, texcoord[0][0], texcoord[0][1], texcoord[0][2] ); @@ -1117,6 +1113,7 @@ dist_atten_antialiased_rgba_points( GLcontext *ctx, GLuint first, GLuint last ) GLfloat radius, rmin, rmax, rmin2, rmax2, cscale, alphaf; GLint xmin, ymin, xmax, ymax; GLint x, y, z; + GLfixed fog; GLint red, green, blue, alpha; GLfloat dsize = psize * dist[i]; @@ -1141,6 +1138,8 @@ dist_atten_antialiased_rgba_points( GLcontext *ctx, GLuint first, GLuint last ) ymax = (GLint) (VB->Win.data[i][1] + radius); z = (GLint) (VB->Win.data[i][2] + ctx->PointZoffset); + fog = FloatToFixed( VB->FogCoordPtr->data[i] ); + red = VB->ColorPtr->data[i][0]; green = VB->ColorPtr->data[i][1]; blue = VB->ColorPtr->data[i][2]; @@ -1158,7 +1157,8 @@ dist_atten_antialiased_rgba_points( GLcontext *ctx, GLuint first, GLuint last ) alpha = (alpha * coverage) >> 8; } alpha = (GLint) (alpha * alphaf); - PB_WRITE_RGBA_PIXEL(PB, x, y, z, red, green, blue, alpha); + PB_WRITE_RGBA_PIXEL(PB, x, y, z, fog, + red, green, blue, alpha); } } } @@ -1231,7 +1231,8 @@ void gl_set_point_function( GLcontext *ctx ) } else if (ctx->Texture.ReallyEnabled) { if (ctx->Texture.MultiTextureEnabled || - ctx->Light.Model.ColorControl==GL_SEPARATE_SPECULAR_COLOR) { + ctx->Light.Model.ColorControl==GL_SEPARATE_SPECULAR_COLOR || + ctx->Fog.ColorSumEnabled) { ctx->Driver.PointsFunc = multitextured_rgba_points; } else { diff --git a/src/mesa/main/state.c b/src/mesa/main/state.c index 3bdd3f5..7a7742d 100644 --- a/src/mesa/main/state.c +++ b/src/mesa/main/state.c @@ -1,4 +1,4 @@ -/* $Id: state.c,v 1.33 2000/10/21 01:29:12 brianp Exp $ */ +/* $Id: state.c,v 1.34 2000/10/27 16:44:41 keithw Exp $ */ /* * Mesa 3-D graphics library @@ -203,6 +203,13 @@ _mesa_init_exec_table(struct _glapi_table *exec, GLuint tableSize) exec->FeedbackBuffer = _mesa_FeedbackBuffer; exec->Finish = _mesa_Finish; exec->Flush = _mesa_Flush; + + exec->FogCoordfEXT = _mesa_FogCoordfEXT; + exec->FogCoordfvEXT = _mesa_FogCoordfvEXT; + exec->FogCoorddEXT = _mesa_FogCoorddEXT; + exec->FogCoorddvEXT = _mesa_FogCoorddvEXT; + exec->FogCoordPointerEXT = _mesa_FogCoordPointerEXT; + exec->Fogf = _mesa_Fogf; exec->Fogfv = _mesa_Fogfv; exec->Fogi = _mesa_Fogi; @@ -353,6 +360,27 @@ _mesa_init_exec_table(struct _glapi_table *exec, GLuint tableSize) exec->Scaled = _mesa_Scaled; exec->Scalef = _mesa_Scalef; exec->Scissor = _mesa_Scissor; + +#if 0 + exec->SecondaryColor3fEXT = _mesa_SecondaryColor3bEXT; + exec->SecondaryColor3fvEXT = _mesa_SecondaryColor3bvEXT; + exec->SecondaryColor3dEXT = _mesa_SecondaryColor3sEXT; + exec->SecondaryColordvEXT = _mesa_SecondaryColor3svEXT; + exec->SecondaryColor3fEXT = _mesa_SecondaryColor3iEXT; + exec->SecondaryColor3fvEXT = _mesa_SecondaryColor3ivEXT; + exec->SecondaryColor3dEXT = _mesa_SecondaryColor3fEXT; + exec->SecondaryColordvEXT = _mesa_SecondaryColor3fvEXT; + exec->SecondaryColor3fEXT = _mesa_SecondaryColor3dEXT; + exec->SecondaryColor3fvEXT = _mesa_SecondaryColor3dvEXT; + exec->SecondaryColor3dEXT = _mesa_SecondaryColor3ubEXT; + exec->SecondaryColordvEXT = _mesa_SecondaryColor3ubvEXT; + exec->SecondaryColor3fEXT = _mesa_SecondaryColor3usEXT; + exec->SecondaryColor3fvEXT = _mesa_SecondaryColor3usvEXT; + exec->SecondaryColor3dEXT = _mesa_SecondaryColor3uiEXT; + exec->SecondaryColordvEXT = _mesa_SecondaryColor3uivEXT; + exec->SecondaryColorPointerEXT = _mesa_SecondaryColorPointerEXT; +#endif + exec->SelectBuffer = _mesa_SelectBuffer; exec->ShadeModel = _mesa_ShadeModel; exec->StencilFunc = _mesa_StencilFunc; @@ -666,30 +694,6 @@ _mesa_init_exec_table(struct _glapi_table *exec, GLuint tableSize) /**********************************************************************/ -static void update_fog_mode( GLcontext *ctx ) -{ - int old_mode = ctx->FogMode; - - if (ctx->Fog.Enabled) { - if (ctx->Texture.ReallyEnabled) - ctx->FogMode = FOG_FRAGMENT; - else if (ctx->Hint.Fog == GL_NICEST) - ctx->FogMode = FOG_FRAGMENT; - else - ctx->FogMode = FOG_VERTEX; - - if (ctx->Driver.GetParameteri) - if ((ctx->Driver.GetParameteri)( ctx, DD_HAVE_HARDWARE_FOG )) - ctx->FogMode = FOG_FRAGMENT; - } - else { - ctx->FogMode = FOG_NONE; - } - - if (old_mode != ctx->FogMode) - ctx->NewState |= NEW_FOG; -} - /* * Recompute the value of ctx->RasterMask, etc. according to @@ -702,7 +706,7 @@ static void update_rasterflags( GLcontext *ctx ) if (ctx->Color.AlphaEnabled) ctx->RasterMask |= ALPHATEST_BIT; if (ctx->Color.BlendEnabled) ctx->RasterMask |= BLEND_BIT; if (ctx->Depth.Test) ctx->RasterMask |= DEPTH_BIT; - if (ctx->FogMode == FOG_FRAGMENT) ctx->RasterMask |= FOG_BIT; + if (ctx->Fog.Enabled) ctx->RasterMask |= FOG_BIT; if (ctx->Scissor.Enabled) ctx->RasterMask |= SCISSOR_BIT; if (ctx->Stencil.Enabled) ctx->RasterMask |= STENCIL_BIT; if (ctx->Visual.RGBAflag) { @@ -891,9 +895,6 @@ void gl_update_state( GLcontext *ctx ) ctx->NeedNormals = (ctx->Light.Enabled || ctx->Texture.NeedNormals); } - if (ctx->NewState & NEW_FOG) { - update_fog_mode(ctx); - } if (ctx->NewState & NEW_RASTER_OPS) { update_rasterflags(ctx); diff --git a/src/mesa/main/varray.c b/src/mesa/main/varray.c index 78cff94..f54d3cf 100644 --- a/src/mesa/main/varray.c +++ b/src/mesa/main/varray.c @@ -1,4 +1,4 @@ -/* $Id: varray.c,v 1.25 2000/10/20 19:54:49 brianp Exp $ */ +/* $Id: varray.c,v 1.26 2000/10/27 16:44:41 keithw Exp $ */ /* * Mesa 3-D graphics library @@ -217,6 +217,40 @@ _mesa_ColorPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr) void +_mesa_FogCoordPointerEXT(GLenum type, GLsizei stride, const GLvoid *ptr) +{ + GET_CURRENT_CONTEXT(ctx); + + if (stride<0) { + gl_error( ctx, GL_INVALID_VALUE, "glFogCoordPointer(stride)" ); + return; + } + + ctx->Array.FogCoord.StrideB = stride; + if (!stride) { + switch (type) { + case GL_FLOAT: + ctx->Array.FogCoord.StrideB = sizeof(GLfloat); + break; + case GL_DOUBLE: + ctx->Array.FogCoord.StrideB = sizeof(GLdouble); + break; + default: + gl_error( ctx, GL_INVALID_ENUM, "glFogCoordPointer(type)" ); + return; + } + } + ctx->Array.FogCoord.Type = type; + ctx->Array.FogCoord.Stride = stride; + ctx->Array.FogCoord.Ptr = (void *) ptr; + ctx->Array.FogCoordFunc = gl_trans_1f_tab[TYPE_IDX(type)]; + ctx->Array.FogCoordEltFunc = gl_trans_elt_1f_tab[TYPE_IDX(type)]; + ctx->Array.NewArrayState |= VERT_FOG_COORD; + ctx->NewState |= NEW_CLIENT_STATE; +} + + +void _mesa_IndexPointer(GLenum type, GLsizei stride, const GLvoid *ptr) { GET_CURRENT_CONTEXT(ctx); @@ -259,6 +293,71 @@ _mesa_IndexPointer(GLenum type, GLsizei stride, const GLvoid *ptr) } +void +_mesa_SecondaryColorPointerEXT(GLint size, GLenum type, + GLsizei stride, const GLvoid *ptr) +{ + GET_CURRENT_CONTEXT(ctx); + + fprintf(stderr, "%s\n", __FUNCTION__); + + if (size != 3 && size != 4) { + gl_error( ctx, GL_INVALID_VALUE, "glColorPointer(size)" ); + return; + } + if (stride<0) { + gl_error( ctx, GL_INVALID_VALUE, "glColorPointer(stride)" ); + return; + } + + if (MESA_VERBOSE&(VERBOSE_VARRAY|VERBOSE_API)) + fprintf(stderr, "glColorPointer( sz %d type %s stride %d )\n", size, + gl_lookup_enum_by_nr( type ), + stride); + + ctx->Array.SecondaryColor.StrideB = stride; + if (!stride) { + switch (type) { + case GL_BYTE: + ctx->Array.SecondaryColor.StrideB = size*sizeof(GLbyte); + break; + case GL_UNSIGNED_BYTE: + ctx->Array.SecondaryColor.StrideB = size*sizeof(GLubyte); + break; + case GL_SHORT: + ctx->Array.SecondaryColor.StrideB = size*sizeof(GLshort); + break; + case GL_UNSIGNED_SHORT: + ctx->Array.SecondaryColor.StrideB = size*sizeof(GLushort); + break; + case GL_INT: + ctx->Array.SecondaryColor.StrideB = size*sizeof(GLint); + break; + case GL_UNSIGNED_INT: + ctx->Array.SecondaryColor.StrideB = size*sizeof(GLuint); + break; + case GL_FLOAT: + ctx->Array.SecondaryColor.StrideB = size*sizeof(GLfloat); + break; + case GL_DOUBLE: + ctx->Array.SecondaryColor.StrideB = size*sizeof(GLdouble); + break; + default: + gl_error( ctx, GL_INVALID_ENUM, "glSecondaryColorPointer(type)" ); + return; + } + } + ctx->Array.SecondaryColor.Size = 3; /* hardwire */ + ctx->Array.SecondaryColor.Type = type; + ctx->Array.SecondaryColor.Stride = stride; + ctx->Array.SecondaryColor.Ptr = (void *) ptr; + ctx->Array.SecondaryColorFunc = gl_trans_4ub_tab[size][TYPE_IDX(type)]; + ctx->Array.SecondaryColorEltFunc = gl_trans_elt_4ub_tab[size][TYPE_IDX(type)]; + ctx->Array.NewArrayState |= VERT_SPEC_RGB; + ctx->NewState |= NEW_CLIENT_STATE; +} + + void _mesa_TexCoordPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr) @@ -342,32 +441,6 @@ _mesa_EdgeFlagPointer(GLsizei stride, const void *vptr) } -#if 0 -/* Called only from gl_DrawElements - */ -static void gl_CVAEltPointer( GLcontext *ctx, GLenum type, const GLvoid *ptr ) -{ - switch (type) { - case GL_UNSIGNED_BYTE: - ctx->CVA.Elt.StrideB = sizeof(GLubyte); - break; - case GL_UNSIGNED_SHORT: - ctx->CVA.Elt.StrideB = sizeof(GLushort); - break; - case GL_UNSIGNED_INT: - ctx->CVA.Elt.StrideB = sizeof(GLuint); - break; - default: - gl_error( ctx, GL_INVALID_ENUM, "glEltPointer(type)" ); - return; - } - ctx->CVA.Elt.Type = type; - ctx->CVA.Elt.Stride = 0; - ctx->CVA.Elt.Ptr = (void *) ptr; - ctx->CVA.EltFunc = gl_trans_1ui_tab[TYPE_IDX(type)]; - ctx->Array.NewArrayState |= VERT_ELT; /* ??? */ -} -#endif @@ -470,6 +543,19 @@ void gl_exec_array_elements( GLcontext *ctx, struct immediate *IM, flags, elts, (VERT_ELT|VERT_RGBA), start, count); + + if (translate & VERT_SPEC_RGB) + (ctx->Array.SecondaryColorEltFunc)( IM->SecondaryColor, + &ctx->Array.SecondaryColor, + flags, elts, (VERT_ELT|VERT_SPEC_RGB), + start, count); + + if (translate & VERT_FOG_COORD) + (ctx->Array.FogCoordEltFunc)( IM->FogCoord, + &ctx->Array.FogCoord, + flags, elts, (VERT_ELT|VERT_FOG_COORD), + start, count); + if (translate & VERT_INDEX) (ctx->Array.IndexEltFunc)( IM->Index, &ctx->Array.Index, @@ -563,6 +649,8 @@ _mesa_DrawArrays(GLenum mode, GLint start, GLsizei count) GLint i; struct gl_client_array *Normal; struct gl_client_array *Color; + struct gl_client_array *SecondaryColor; + struct gl_client_array *FogCoord; struct gl_client_array *Index; struct gl_client_array *TexCoord[MAX_TEXTURE_UNITS]; struct gl_client_array *EdgeFlag; @@ -603,6 +691,26 @@ _mesa_DrawArrays(GLenum mode, GLint start, GLsizei count) gl_trans_4ub_tab[4][TYPE_IDX(GL_UNSIGNED_BYTE)]; } } + + if (required & VERT_SPEC_RGB) + { + SecondaryColor = &ctx->Array.SecondaryColor; + if (fallback & VERT_SPEC_RGB) { + SecondaryColor = &ctx->Fallback.SecondaryColor; + ctx->Array.SecondaryColorFunc = + gl_trans_4ub_tab[4][TYPE_IDX(GL_UNSIGNED_BYTE)]; + } + } + + if (required & VERT_FOG_COORD) + { + FogCoord = &ctx->Array.FogCoord; + if (fallback & VERT_FOG_COORD) { + FogCoord = &ctx->Fallback.FogCoord; + ctx->Array.FogCoordFunc = + gl_trans_1f_tab[TYPE_IDX(GL_FLOAT)]; + } + } if (required & VERT_INDEX) { Index = &ctx->Array.Index; @@ -694,6 +802,16 @@ _mesa_DrawArrays(GLenum mode, GLint start, GLsizei count) ctx->Array.ColorFunc( IM->Color + VB_START, Color, start, n ); } + + if (required & VERT_SPEC_RGB) { + ctx->Array.SecondaryColorFunc( IM->SecondaryColor + VB_START, + SecondaryColor, start, n ); + } + + if (required & VERT_FOG_COORD) { + ctx->Array.FogCoordFunc( IM->FogCoord + VB_START, + FogCoord, start, n ); + } if (required & VERT_INDEX) { ctx->Array.IndexFunc( IM->Index + VB_START, @@ -732,6 +850,8 @@ _mesa_DrawArrays(GLenum mode, GLint start, GLsizei count) VB->Color[0] = VB->Color[1] = VB->ColorPtr; VB->IndexPtr = &IM->v.Index; VB->EdgeFlagPtr = &IM->v.EdgeFlag; + VB->SecondaryColorPtr = &IM->v.SecondaryColor; + VB->FogCoordPtr = &IM->v.FogCoord; for (i = 0; i < MAX_TEXTURE_UNITS; i++) { VB->TexCoordPtr[i] = &IM->v.TexCoord[i]; } @@ -913,10 +1033,6 @@ _mesa_DrawElements(GLenum mode, GLsizei count, GLenum type, const GLvoid *indice if (ctx->CompileCVAFlag) { -#if defined(MESA_CVA_PROF) - force_init_prof(); -#endif - /* Treat VERT_ELT like a special client array. */ ctx->Array.NewArrayState |= VERT_ELT; @@ -1246,10 +1362,12 @@ void gl_update_client_state( GLcontext *ctx ) ctx->Array.Summary = 0; ctx->input->ArrayIncr = 0; - if (ctx->Array.Normal.Enabled) ctx->Array.Flags |= VERT_NORM; - if (ctx->Array.Color.Enabled) ctx->Array.Flags |= VERT_RGBA; - if (ctx->Array.Index.Enabled) ctx->Array.Flags |= VERT_INDEX; - if (ctx->Array.EdgeFlag.Enabled) ctx->Array.Flags |= VERT_EDGE; + if (ctx->Array.Normal.Enabled) ctx->Array.Flags |= VERT_NORM; + if (ctx->Array.Color.Enabled) ctx->Array.Flags |= VERT_RGBA; + if (ctx->Array.SecondaryColor.Enabled) ctx->Array.Flags |= VERT_SPEC_RGB; + if (ctx->Array.FogCoord.Enabled) ctx->Array.Flags |= VERT_FOG_COORD; + if (ctx->Array.Index.Enabled) ctx->Array.Flags |= VERT_INDEX; + if (ctx->Array.EdgeFlag.Enabled) ctx->Array.Flags |= VERT_EDGE; if (ctx->Array.Vertex.Enabled) { ctx->Array.Flags |= sz_flags[ctx->Array.Vertex.Size]; ctx->input->ArrayIncr = 1; diff --git a/src/mesa/main/varray.h b/src/mesa/main/varray.h index d088727..2f42dfa 100644 --- a/src/mesa/main/varray.h +++ b/src/mesa/main/varray.h @@ -1,4 +1,4 @@ -/* $Id: varray.h,v 1.7 2000/06/12 15:30:52 brianp Exp $ */ +/* $Id: varray.h,v 1.8 2000/10/27 16:44:41 keithw Exp $ */ /* * Mesa 3-D graphics library @@ -87,7 +87,12 @@ extern void _mesa_EdgeFlagPointerEXT(GLsizei stride, GLsizei count, const GLboolean *ptr); +extern void +_mesa_FogCoordPointerEXT(GLenum type, GLsizei stride, const GLvoid *ptr); +extern void +_mesa_SecondaryColorPointerEXT(GLint size, GLenum type, + GLsizei stride, const GLvoid *ptr); extern void -- 2.7.4