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-rw-r--r--src/mesa/main/pixel.c467
1 files changed, 166 insertions, 301 deletions
diff --git a/src/mesa/main/pixel.c b/src/mesa/main/pixel.c
index 4e47cdba89..ae014a23c4 100644
--- a/src/mesa/main/pixel.c
+++ b/src/mesa/main/pixel.c
@@ -1,8 +1,8 @@
/*
* Mesa 3-D graphics library
- * Version: 6.5.2
+ * Version: 6.5.3
*
- * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2007 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"),
@@ -252,85 +252,76 @@ _mesa_PixelStoref( GLenum pname, GLfloat param )
/***** glPixelMap *****/
/**********************************************************************/
+/**
+ * Return pointer to a pixelmap by name.
+ */
+static struct gl_pixelmap *
+get_pixelmap(GLcontext *ctx, GLenum map)
+{
+ switch (map) {
+ case GL_PIXEL_MAP_I_TO_I:
+ return &ctx->PixelMaps.ItoI;
+ case GL_PIXEL_MAP_S_TO_S:
+ return &ctx->PixelMaps.StoS;
+ case GL_PIXEL_MAP_I_TO_R:
+ return &ctx->PixelMaps.ItoR;
+ case GL_PIXEL_MAP_I_TO_G:
+ return &ctx->PixelMaps.ItoG;
+ case GL_PIXEL_MAP_I_TO_B:
+ return &ctx->PixelMaps.ItoB;
+ case GL_PIXEL_MAP_I_TO_A:
+ return &ctx->PixelMaps.ItoA;
+ case GL_PIXEL_MAP_R_TO_R:
+ return &ctx->PixelMaps.RtoR;
+ case GL_PIXEL_MAP_G_TO_G:
+ return &ctx->PixelMaps.GtoG;
+ case GL_PIXEL_MAP_B_TO_B:
+ return &ctx->PixelMaps.BtoB;
+ case GL_PIXEL_MAP_A_TO_A:
+ return &ctx->PixelMaps.AtoA;
+ default:
+ return NULL;
+ }
+}
+
/**
* Helper routine used by the other _mesa_PixelMap() functions.
*/
static void
-pixelmap(GLcontext *ctx, GLenum map, GLsizei mapsize, const GLfloat *values)
+store_pixelmap(GLcontext *ctx, GLenum map, GLsizei mapsize,
+ const GLfloat *values)
{
GLint i;
+ struct gl_pixelmap *pm = get_pixelmap(ctx, map);
+ if (!pm) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glPixelMap(map)");
+ return;
+ }
+
switch (map) {
- case GL_PIXEL_MAP_S_TO_S:
- ctx->Pixel.MapStoSsize = mapsize;
- for (i = 0; i < mapsize; i++) {
- ctx->Pixel.MapStoS[i] = IROUND(values[i]);
- }
- break;
- case GL_PIXEL_MAP_I_TO_I:
- ctx->Pixel.MapItoIsize = mapsize;
- for (i = 0; i < mapsize; i++) {
- ctx->Pixel.MapItoI[i] = values[i];
- }
- break;
- case GL_PIXEL_MAP_I_TO_R:
- ctx->Pixel.MapItoRsize = mapsize;
- for (i = 0; i < mapsize; i++) {
- GLfloat val = CLAMP( values[i], 0.0F, 1.0F );
- ctx->Pixel.MapItoR[i] = val;
- ctx->Pixel.MapItoR8[i] = (GLint) (val * 255.0F);
- }
- break;
- case GL_PIXEL_MAP_I_TO_G:
- ctx->Pixel.MapItoGsize = mapsize;
- for (i = 0; i < mapsize; i++) {
- GLfloat val = CLAMP( values[i], 0.0F, 1.0F );
- ctx->Pixel.MapItoG[i] = val;
- ctx->Pixel.MapItoG8[i] = (GLint) (val * 255.0F);
- }
- break;
- case GL_PIXEL_MAP_I_TO_B:
- ctx->Pixel.MapItoBsize = mapsize;
- for (i = 0; i < mapsize; i++) {
- GLfloat val = CLAMP( values[i], 0.0F, 1.0F );
- ctx->Pixel.MapItoB[i] = val;
- ctx->Pixel.MapItoB8[i] = (GLint) (val * 255.0F);
- }
- break;
- case GL_PIXEL_MAP_I_TO_A:
- ctx->Pixel.MapItoAsize = mapsize;
- for (i = 0; i < mapsize; i++) {
- GLfloat val = CLAMP( values[i], 0.0F, 1.0F );
- ctx->Pixel.MapItoA[i] = val;
- ctx->Pixel.MapItoA8[i] = (GLint) (val * 255.0F);
- }
- break;
- case GL_PIXEL_MAP_R_TO_R:
- ctx->Pixel.MapRtoRsize = mapsize;
- for (i = 0; i < mapsize; i++) {
- ctx->Pixel.MapRtoR[i] = CLAMP( values[i], 0.0F, 1.0F );
- }
- break;
- case GL_PIXEL_MAP_G_TO_G:
- ctx->Pixel.MapGtoGsize = mapsize;
- for (i = 0; i < mapsize; i++) {
- ctx->Pixel.MapGtoG[i] = CLAMP( values[i], 0.0F, 1.0F );
- }
- break;
- case GL_PIXEL_MAP_B_TO_B:
- ctx->Pixel.MapBtoBsize = mapsize;
- for (i = 0; i < mapsize; i++) {
- ctx->Pixel.MapBtoB[i] = CLAMP( values[i], 0.0F, 1.0F );
- }
- break;
- case GL_PIXEL_MAP_A_TO_A:
- ctx->Pixel.MapAtoAsize = mapsize;
- for (i = 0; i < mapsize; i++) {
- ctx->Pixel.MapAtoA[i] = CLAMP( values[i], 0.0F, 1.0F );
- }
- break;
- default:
- _mesa_error( ctx, GL_INVALID_ENUM, "glPixelMap(map)" );
+ case GL_PIXEL_MAP_S_TO_S:
+ /* special case */
+ ctx->PixelMaps.StoS.Size = mapsize;
+ for (i = 0; i < mapsize; i++) {
+ ctx->PixelMaps.StoS.Map[i] = IROUND(values[i]);
+ }
+ break;
+ case GL_PIXEL_MAP_I_TO_I:
+ /* special case */
+ ctx->PixelMaps.ItoI.Size = mapsize;
+ for (i = 0; i < mapsize; i++) {
+ ctx->PixelMaps.ItoI.Map[i] = values[i];
+ }
+ break;
+ default:
+ /* general case */
+ pm->Size = mapsize;
+ for (i = 0; i < mapsize; i++) {
+ GLfloat val = CLAMP(values[i], 0.0F, 1.0F);
+ pm->Map[i] = val;
+ pm->Map8[i] = (GLint) (val * 255.0F);
+ }
}
}
@@ -385,7 +376,7 @@ _mesa_PixelMapfv( GLenum map, GLsizei mapsize, const GLfloat *values )
return;
}
- pixelmap(ctx, map, mapsize, values);
+ store_pixelmap(ctx, map, mapsize, values);
if (ctx->Unpack.BufferObj->Name) {
ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT,
@@ -394,7 +385,6 @@ _mesa_PixelMapfv( GLenum map, GLsizei mapsize, const GLfloat *values )
}
-
void GLAPIENTRY
_mesa_PixelMapuiv(GLenum map, GLsizei mapsize, const GLuint *values )
{
@@ -464,11 +454,10 @@ _mesa_PixelMapuiv(GLenum map, GLsizei mapsize, const GLuint *values )
ctx->Unpack.BufferObj);
}
- pixelmap(ctx, map, mapsize, fvalues);
+ store_pixelmap(ctx, map, mapsize, fvalues);
}
-
void GLAPIENTRY
_mesa_PixelMapusv(GLenum map, GLsizei mapsize, const GLushort *values )
{
@@ -520,7 +509,7 @@ _mesa_PixelMapusv(GLenum map, GLsizei mapsize, const GLushort *values )
return;
}
- /* convert to floats */
+ /* convert to floats */
if (map == GL_PIXEL_MAP_I_TO_I || map == GL_PIXEL_MAP_S_TO_S) {
GLint i;
for (i = 0; i < mapsize; i++) {
@@ -539,40 +528,7 @@ _mesa_PixelMapusv(GLenum map, GLsizei mapsize, const GLushort *values )
ctx->Unpack.BufferObj);
}
- pixelmap(ctx, map, mapsize, fvalues);
-}
-
-
-/**
- * Return size of the named map.
- */
-static GLuint
-get_map_size(GLcontext *ctx, GLenum map)
-{
- switch (map) {
- case GL_PIXEL_MAP_I_TO_I:
- return ctx->Pixel.MapItoIsize;
- case GL_PIXEL_MAP_S_TO_S:
- return ctx->Pixel.MapStoSsize;
- case GL_PIXEL_MAP_I_TO_R:
- return ctx->Pixel.MapItoRsize;
- case GL_PIXEL_MAP_I_TO_G:
- return ctx->Pixel.MapItoGsize;
- case GL_PIXEL_MAP_I_TO_B:
- return ctx->Pixel.MapItoBsize;
- case GL_PIXEL_MAP_I_TO_A:
- return ctx->Pixel.MapItoAsize;
- case GL_PIXEL_MAP_R_TO_R:
- return ctx->Pixel.MapRtoRsize;
- case GL_PIXEL_MAP_G_TO_G:
- return ctx->Pixel.MapGtoGsize;
- case GL_PIXEL_MAP_B_TO_B:
- return ctx->Pixel.MapBtoBsize;
- case GL_PIXEL_MAP_A_TO_A:
- return ctx->Pixel.MapAtoAsize;
- default:
- return 0;
- }
+ store_pixelmap(ctx, map, mapsize, fvalues);
}
@@ -581,9 +537,17 @@ _mesa_GetPixelMapfv( GLenum map, GLfloat *values )
{
GET_CURRENT_CONTEXT(ctx);
GLuint mapsize, i;
+ const struct gl_pixelmap *pm;
+
ASSERT_OUTSIDE_BEGIN_END(ctx);
- mapsize = get_map_size(ctx, map);
+ pm = get_pixelmap(ctx, map);
+ if (!pm) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetPixelMapfv(map)");
+ return;
+ }
+
+ mapsize = pm->Size;
if (ctx->Pack.BufferObj->Name) {
/* pack pixelmap into PBO */
@@ -613,41 +577,14 @@ _mesa_GetPixelMapfv( GLenum map, GLfloat *values )
return;
}
- switch (map) {
- case GL_PIXEL_MAP_I_TO_I:
- MEMCPY(values, ctx->Pixel.MapItoI, mapsize * sizeof(GLfloat));
- break;
- case GL_PIXEL_MAP_S_TO_S:
- for (i = 0; i < mapsize; i++) {
- values[i] = (GLfloat) ctx->Pixel.MapStoS[i];
- }
- break;
- case GL_PIXEL_MAP_I_TO_R:
- MEMCPY(values, ctx->Pixel.MapItoR, mapsize * sizeof(GLfloat));
- break;
- case GL_PIXEL_MAP_I_TO_G:
- MEMCPY(values, ctx->Pixel.MapItoG, mapsize * sizeof(GLfloat));
- break;
- case GL_PIXEL_MAP_I_TO_B:
- MEMCPY(values, ctx->Pixel.MapItoB, mapsize * sizeof(GLfloat));
- break;
- case GL_PIXEL_MAP_I_TO_A:
- MEMCPY(values, ctx->Pixel.MapItoA, mapsize * sizeof(GLfloat));
- break;
- case GL_PIXEL_MAP_R_TO_R:
- MEMCPY(values, ctx->Pixel.MapRtoR, mapsize * sizeof(GLfloat));
- break;
- case GL_PIXEL_MAP_G_TO_G:
- MEMCPY(values, ctx->Pixel.MapGtoG, mapsize * sizeof(GLfloat));
- break;
- case GL_PIXEL_MAP_B_TO_B:
- MEMCPY(values, ctx->Pixel.MapBtoB, mapsize * sizeof(GLfloat));
- break;
- case GL_PIXEL_MAP_A_TO_A:
- MEMCPY(values, ctx->Pixel.MapAtoA, mapsize * sizeof(GLfloat));
- break;
- default:
- _mesa_error( ctx, GL_INVALID_ENUM, "glGetPixelMapfv" );
+ if (map == GL_PIXEL_MAP_S_TO_S) {
+ /* special case */
+ for (i = 0; i < mapsize; i++) {
+ values[i] = (GLfloat) ctx->PixelMaps.StoS.Map[i];
+ }
+ }
+ else {
+ MEMCPY(values, pm->Map, mapsize * sizeof(GLfloat));
}
if (ctx->Pack.BufferObj->Name) {
@@ -662,9 +599,16 @@ _mesa_GetPixelMapuiv( GLenum map, GLuint *values )
{
GET_CURRENT_CONTEXT(ctx);
GLint mapsize, i;
+ const struct gl_pixelmap *pm;
+
ASSERT_OUTSIDE_BEGIN_END(ctx);
- mapsize = get_map_size(ctx, map);
+ pm = get_pixelmap(ctx, map);
+ if (!pm) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetPixelMapuiv(map)");
+ return;
+ }
+ mapsize = pm->Size;
if (ctx->Pack.BufferObj->Name) {
/* pack pixelmap into PBO */
@@ -694,57 +638,14 @@ _mesa_GetPixelMapuiv( GLenum map, GLuint *values )
return;
}
- switch (map) {
- case GL_PIXEL_MAP_I_TO_I:
- for (i = 0; i < mapsize; i++) {
- values[i] = FLOAT_TO_UINT( ctx->Pixel.MapItoI[i] );
- }
- break;
- case GL_PIXEL_MAP_S_TO_S:
- MEMCPY(values, ctx->Pixel.MapStoS, mapsize * sizeof(GLint));
- break;
- case GL_PIXEL_MAP_I_TO_R:
- for (i = 0; i < mapsize; i++) {
- values[i] = FLOAT_TO_UINT( ctx->Pixel.MapItoR[i] );
- }
- break;
- case GL_PIXEL_MAP_I_TO_G:
- for (i = 0; i < mapsize; i++) {
- values[i] = FLOAT_TO_UINT( ctx->Pixel.MapItoG[i] );
- }
- break;
- case GL_PIXEL_MAP_I_TO_B:
- for (i = 0; i < mapsize; i++) {
- values[i] = FLOAT_TO_UINT( ctx->Pixel.MapItoB[i] );
- }
- break;
- case GL_PIXEL_MAP_I_TO_A:
- for (i = 0; i < mapsize; i++) {
- values[i] = FLOAT_TO_UINT( ctx->Pixel.MapItoA[i] );
- }
- break;
- case GL_PIXEL_MAP_R_TO_R:
- for (i = 0; i < mapsize; i++) {
- values[i] = FLOAT_TO_UINT( ctx->Pixel.MapRtoR[i] );
- }
- break;
- case GL_PIXEL_MAP_G_TO_G:
- for (i = 0; i < mapsize; i++) {
- values[i] = FLOAT_TO_UINT( ctx->Pixel.MapGtoG[i] );
- }
- break;
- case GL_PIXEL_MAP_B_TO_B:
- for (i = 0; i < mapsize; i++) {
- values[i] = FLOAT_TO_UINT( ctx->Pixel.MapBtoB[i] );
- }
- break;
- case GL_PIXEL_MAP_A_TO_A:
- for (i = 0; i < mapsize; i++) {
- values[i] = FLOAT_TO_UINT( ctx->Pixel.MapAtoA[i] );
- }
- break;
- default:
- _mesa_error( ctx, GL_INVALID_ENUM, "glGetPixelMapfv" );
+ if (map == GL_PIXEL_MAP_S_TO_S) {
+ /* special case */
+ MEMCPY(values, ctx->PixelMaps.StoS.Map, mapsize * sizeof(GLint));
+ }
+ else {
+ for (i = 0; i < mapsize; i++) {
+ values[i] = FLOAT_TO_UINT( pm->Map[i] );
+ }
}
if (ctx->Pack.BufferObj->Name) {
@@ -759,9 +660,16 @@ _mesa_GetPixelMapusv( GLenum map, GLushort *values )
{
GET_CURRENT_CONTEXT(ctx);
GLint mapsize, i;
+ const struct gl_pixelmap *pm;
+
ASSERT_OUTSIDE_BEGIN_END(ctx);
- mapsize = get_map_size(ctx, map);
+ pm = get_pixelmap(ctx, map);
+ if (!pm) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetPixelMapusv(map)");
+ return;
+ }
+ mapsize = pm ? pm->Size : 0;
if (ctx->Pack.BufferObj->Name) {
/* pack pixelmap into PBO */
@@ -793,58 +701,21 @@ _mesa_GetPixelMapusv( GLenum map, GLushort *values )
}
switch (map) {
- case GL_PIXEL_MAP_I_TO_I:
- for (i = 0; i < mapsize; i++) {
- values[i] = (GLushort) CLAMP(ctx->Pixel.MapItoI[i], 0.0, 65535.0);
- }
- break;
- case GL_PIXEL_MAP_S_TO_S:
- for (i = 0; i < mapsize; i++) {
- values[i] = (GLushort) CLAMP(ctx->Pixel.MapStoS[i], 0.0, 65535.0);
- }
- break;
- case GL_PIXEL_MAP_I_TO_R:
- for (i = 0; i < mapsize; i++) {
- CLAMPED_FLOAT_TO_USHORT(values[i] , ctx->Pixel.MapItoR[i] );
- }
- break;
- case GL_PIXEL_MAP_I_TO_G:
- for (i = 0; i < mapsize; i++) {
- CLAMPED_FLOAT_TO_USHORT(values[i] , ctx->Pixel.MapItoG[i] );
- }
- break;
- case GL_PIXEL_MAP_I_TO_B:
- for (i = 0; i < mapsize; i++) {
- CLAMPED_FLOAT_TO_USHORT(values[i] , ctx->Pixel.MapItoB[i] );
- }
- break;
- case GL_PIXEL_MAP_I_TO_A:
- for (i = 0; i < mapsize; i++) {
- CLAMPED_FLOAT_TO_USHORT(values[i] , ctx->Pixel.MapItoA[i] );
- }
- break;
- case GL_PIXEL_MAP_R_TO_R:
- for (i = 0; i < mapsize; i++) {
- CLAMPED_FLOAT_TO_USHORT(values[i] , ctx->Pixel.MapRtoR[i] );
- }
- break;
- case GL_PIXEL_MAP_G_TO_G:
- for (i = 0; i < mapsize; i++) {
- CLAMPED_FLOAT_TO_USHORT(values[i] , ctx->Pixel.MapGtoG[i] );
- }
- break;
- case GL_PIXEL_MAP_B_TO_B:
- for (i = 0; i < mapsize; i++) {
- CLAMPED_FLOAT_TO_USHORT(values[i] , ctx->Pixel.MapBtoB[i] );
- }
- break;
- case GL_PIXEL_MAP_A_TO_A:
- for (i = 0; i < mapsize; i++) {
- CLAMPED_FLOAT_TO_USHORT(values[i] , ctx->Pixel.MapAtoA[i] );
- }
- break;
- default:
- _mesa_error( ctx, GL_INVALID_ENUM, "glGetPixelMapfv" );
+ /* special cases */
+ case GL_PIXEL_MAP_I_TO_I:
+ for (i = 0; i < mapsize; i++) {
+ values[i] = (GLushort) CLAMP(ctx->PixelMaps.ItoI.Map[i], 0.0, 65535.);
+ }
+ break;
+ case GL_PIXEL_MAP_S_TO_S:
+ for (i = 0; i < mapsize; i++) {
+ values[i] = (GLushort) CLAMP(ctx->PixelMaps.StoS.Map[i], 0.0, 65535.);
+ }
+ break;
+ default:
+ for (i = 0; i < mapsize; i++) {
+ CLAMPED_FLOAT_TO_USHORT(values[i], pm->Map[i] );
+ }
}
if (ctx->Pack.BufferObj->Name) {
@@ -1113,14 +984,14 @@ _mesa_scale_and_bias_rgba(GLuint n, GLfloat rgba[][4],
void
_mesa_map_rgba( const GLcontext *ctx, GLuint n, GLfloat rgba[][4] )
{
- const GLfloat rscale = (GLfloat) (ctx->Pixel.MapRtoRsize - 1);
- const GLfloat gscale = (GLfloat) (ctx->Pixel.MapGtoGsize - 1);
- const GLfloat bscale = (GLfloat) (ctx->Pixel.MapBtoBsize - 1);
- const GLfloat ascale = (GLfloat) (ctx->Pixel.MapAtoAsize - 1);
- const GLfloat *rMap = ctx->Pixel.MapRtoR;
- const GLfloat *gMap = ctx->Pixel.MapGtoG;
- const GLfloat *bMap = ctx->Pixel.MapBtoB;
- const GLfloat *aMap = ctx->Pixel.MapAtoA;
+ const GLfloat rscale = (GLfloat) (ctx->PixelMaps.RtoR.Size - 1);
+ const GLfloat gscale = (GLfloat) (ctx->PixelMaps.GtoG.Size - 1);
+ const GLfloat bscale = (GLfloat) (ctx->PixelMaps.BtoB.Size - 1);
+ const GLfloat ascale = (GLfloat) (ctx->PixelMaps.AtoA.Size - 1);
+ const GLfloat *rMap = ctx->PixelMaps.RtoR.Map;
+ const GLfloat *gMap = ctx->PixelMaps.GtoG.Map;
+ const GLfloat *bMap = ctx->PixelMaps.BtoB.Map;
+ const GLfloat *aMap = ctx->PixelMaps.AtoA.Map;
GLuint i;
for (i=0;i<n;i++) {
GLfloat r = CLAMP(rgba[i][RCOMP], 0.0F, 1.0F);
@@ -1413,14 +1284,14 @@ void
_mesa_map_ci_to_rgba( const GLcontext *ctx, GLuint n,
const GLuint index[], GLfloat rgba[][4] )
{
- GLuint rmask = ctx->Pixel.MapItoRsize - 1;
- GLuint gmask = ctx->Pixel.MapItoGsize - 1;
- GLuint bmask = ctx->Pixel.MapItoBsize - 1;
- GLuint amask = ctx->Pixel.MapItoAsize - 1;
- const GLfloat *rMap = ctx->Pixel.MapItoR;
- const GLfloat *gMap = ctx->Pixel.MapItoG;
- const GLfloat *bMap = ctx->Pixel.MapItoB;
- const GLfloat *aMap = ctx->Pixel.MapItoA;
+ GLuint rmask = ctx->PixelMaps.ItoR.Size - 1;
+ GLuint gmask = ctx->PixelMaps.ItoG.Size - 1;
+ GLuint bmask = ctx->PixelMaps.ItoB.Size - 1;
+ GLuint amask = ctx->PixelMaps.ItoA.Size - 1;
+ const GLfloat *rMap = ctx->PixelMaps.ItoR.Map;
+ const GLfloat *gMap = ctx->PixelMaps.ItoG.Map;
+ const GLfloat *bMap = ctx->PixelMaps.ItoB.Map;
+ const GLfloat *aMap = ctx->PixelMaps.ItoA.Map;
GLuint i;
for (i=0;i<n;i++) {
rgba[i][RCOMP] = rMap[index[i] & rmask];
@@ -1438,14 +1309,14 @@ void
_mesa_map_ci8_to_rgba8(const GLcontext *ctx, GLuint n, const GLubyte index[],
GLubyte rgba[][4])
{
- GLuint rmask = ctx->Pixel.MapItoRsize - 1;
- GLuint gmask = ctx->Pixel.MapItoGsize - 1;
- GLuint bmask = ctx->Pixel.MapItoBsize - 1;
- GLuint amask = ctx->Pixel.MapItoAsize - 1;
- const GLubyte *rMap = ctx->Pixel.MapItoR8;
- const GLubyte *gMap = ctx->Pixel.MapItoG8;
- const GLubyte *bMap = ctx->Pixel.MapItoB8;
- const GLubyte *aMap = ctx->Pixel.MapItoA8;
+ GLuint rmask = ctx->PixelMaps.ItoR.Size - 1;
+ GLuint gmask = ctx->PixelMaps.ItoG.Size - 1;
+ GLuint bmask = ctx->PixelMaps.ItoB.Size - 1;
+ GLuint amask = ctx->PixelMaps.ItoA.Size - 1;
+ const GLubyte *rMap = ctx->PixelMaps.ItoR.Map8;
+ const GLubyte *gMap = ctx->PixelMaps.ItoG.Map8;
+ const GLubyte *bMap = ctx->PixelMaps.ItoB.Map8;
+ const GLubyte *aMap = ctx->PixelMaps.ItoA.Map8;
GLuint i;
for (i=0;i<n;i++) {
rgba[i][RCOMP] = rMap[index[i] & rmask];
@@ -1558,6 +1429,14 @@ void _mesa_update_pixel( GLcontext *ctx, GLuint new_state )
/***** Initialization *****/
/**********************************************************************/
+static void
+init_pixelmap(struct gl_pixelmap *map)
+{
+ map->Size = 1;
+ map->Map[0] = 0.0;
+ map->Map8[0] = 0;
+}
+
/**
* Initialize the context's PIXEL attribute group.
@@ -1584,30 +1463,16 @@ _mesa_init_pixel( GLcontext *ctx )
ctx->Pixel.ZoomY = 1.0;
ctx->Pixel.MapColorFlag = GL_FALSE;
ctx->Pixel.MapStencilFlag = GL_FALSE;
- ctx->Pixel.MapStoSsize = 1;
- ctx->Pixel.MapItoIsize = 1;
- ctx->Pixel.MapItoRsize = 1;
- ctx->Pixel.MapItoGsize = 1;
- ctx->Pixel.MapItoBsize = 1;
- ctx->Pixel.MapItoAsize = 1;
- ctx->Pixel.MapRtoRsize = 1;
- ctx->Pixel.MapGtoGsize = 1;
- ctx->Pixel.MapBtoBsize = 1;
- ctx->Pixel.MapAtoAsize = 1;
- ctx->Pixel.MapStoS[0] = 0;
- ctx->Pixel.MapItoI[0] = 0.0;
- ctx->Pixel.MapItoR[0] = 0.0;
- ctx->Pixel.MapItoG[0] = 0.0;
- ctx->Pixel.MapItoB[0] = 0.0;
- ctx->Pixel.MapItoA[0] = 0.0;
- ctx->Pixel.MapItoR8[0] = 0;
- ctx->Pixel.MapItoG8[0] = 0;
- ctx->Pixel.MapItoB8[0] = 0;
- ctx->Pixel.MapItoA8[0] = 0;
- ctx->Pixel.MapRtoR[0] = 0.0;
- ctx->Pixel.MapGtoG[0] = 0.0;
- ctx->Pixel.MapBtoB[0] = 0.0;
- ctx->Pixel.MapAtoA[0] = 0.0;
+ init_pixelmap(&ctx->PixelMaps.StoS);
+ init_pixelmap(&ctx->PixelMaps.ItoI);
+ init_pixelmap(&ctx->PixelMaps.ItoR);
+ init_pixelmap(&ctx->PixelMaps.ItoG);
+ init_pixelmap(&ctx->PixelMaps.ItoB);
+ init_pixelmap(&ctx->PixelMaps.ItoA);
+ init_pixelmap(&ctx->PixelMaps.RtoR);
+ init_pixelmap(&ctx->PixelMaps.GtoG);
+ init_pixelmap(&ctx->PixelMaps.BtoB);
+ init_pixelmap(&ctx->PixelMaps.AtoA);
ctx->Pixel.HistogramEnabled = GL_FALSE;
ctx->Pixel.MinMaxEnabled = GL_FALSE;
ASSIGN_4V(ctx->Pixel.PostColorMatrixScale, 1.0, 1.0, 1.0, 1.0);
generated by cgit v1.2.3 (git 2.39.1) at 2025-04-27 17:17:58 +0000