/*
* Mesa 3-D graphics library
- * Version: 6.3
+ * Version: 7.1
*
- * Copyright (C) 1999-2004 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2008 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"),
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
+
+/**
+ * \file pixel.c
+ * Pixel transfer functions (glPixelZoom, glPixelMap, glPixelTransfer)
+ */
+
#include "glheader.h"
#include "bufferobj.h"
#include "colormac.h"
/***** glPixelZoom *****/
/**********************************************************************/
-
-
void GLAPIENTRY
_mesa_PixelZoom( GLfloat xfactor, GLfloat yfactor )
{
/**********************************************************************/
-/***** glPixelStore *****/
+/***** glPixelMap *****/
/**********************************************************************/
-
-void GLAPIENTRY
-_mesa_PixelStorei( GLenum pname, GLint param )
+/**
+ * Return pointer to a pixelmap by name.
+ */
+static struct gl_pixelmap *
+get_pixelmap(GLcontext *ctx, GLenum map)
{
- /* NOTE: this call can't be compiled into the display list */
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- switch (pname) {
- case GL_PACK_SWAP_BYTES:
- if (param == (GLint)ctx->Pack.SwapBytes)
- return;
- FLUSH_VERTICES(ctx, _NEW_PACKUNPACK);
- ctx->Pack.SwapBytes = param ? GL_TRUE : GL_FALSE;
- break;
- case GL_PACK_LSB_FIRST:
- if (param == (GLint)ctx->Pack.LsbFirst)
- return;
- FLUSH_VERTICES(ctx, _NEW_PACKUNPACK);
- ctx->Pack.LsbFirst = param ? GL_TRUE : GL_FALSE;
- break;
- case GL_PACK_ROW_LENGTH:
- if (param<0) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" );
- return;
- }
- if (ctx->Pack.RowLength == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PACKUNPACK);
- ctx->Pack.RowLength = param;
- break;
- case GL_PACK_IMAGE_HEIGHT:
- if (param<0) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" );
- return;
- }
- if (ctx->Pack.ImageHeight == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PACKUNPACK);
- ctx->Pack.ImageHeight = param;
- break;
- case GL_PACK_SKIP_PIXELS:
- if (param<0) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" );
- return;
- }
- if (ctx->Pack.SkipPixels == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PACKUNPACK);
- ctx->Pack.SkipPixels = param;
- break;
- case GL_PACK_SKIP_ROWS:
- if (param<0) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" );
- return;
- }
- if (ctx->Pack.SkipRows == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PACKUNPACK);
- ctx->Pack.SkipRows = param;
- break;
- case GL_PACK_SKIP_IMAGES:
- if (param<0) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" );
- return;
- }
- if (ctx->Pack.SkipImages == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PACKUNPACK);
- ctx->Pack.SkipImages = param;
- break;
- case GL_PACK_ALIGNMENT:
- if (param!=1 && param!=2 && param!=4 && param!=8) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" );
- return;
- }
- if (ctx->Pack.Alignment == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PACKUNPACK);
- ctx->Pack.Alignment = param;
- break;
- case GL_PACK_INVERT_MESA:
- if (!ctx->Extensions.MESA_pack_invert) {
- _mesa_error( ctx, GL_INVALID_ENUM, "glPixelstore(pname)" );
- return;
- }
- if (ctx->Pack.Invert == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PACKUNPACK);
- ctx->Pack.Invert = param;
- break;
-
- case GL_UNPACK_SWAP_BYTES:
- if (param == (GLint)ctx->Unpack.SwapBytes)
- return;
- if ((GLint)ctx->Unpack.SwapBytes == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PACKUNPACK);
- ctx->Unpack.SwapBytes = param ? GL_TRUE : GL_FALSE;
- break;
- case GL_UNPACK_LSB_FIRST:
- if (param == (GLint)ctx->Unpack.LsbFirst)
- return;
- if ((GLint)ctx->Unpack.LsbFirst == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PACKUNPACK);
- ctx->Unpack.LsbFirst = param ? GL_TRUE : GL_FALSE;
- break;
- case GL_UNPACK_ROW_LENGTH:
- if (param<0) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" );
- return;
- }
- if (ctx->Unpack.RowLength == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PACKUNPACK);
- ctx->Unpack.RowLength = param;
- break;
- case GL_UNPACK_IMAGE_HEIGHT:
- if (param<0) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" );
- return;
- }
- if (ctx->Unpack.ImageHeight == param)
- return;
-
- FLUSH_VERTICES(ctx, _NEW_PACKUNPACK);
- ctx->Unpack.ImageHeight = param;
- break;
- case GL_UNPACK_SKIP_PIXELS:
- if (param<0) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" );
- return;
- }
- if (ctx->Unpack.SkipPixels == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PACKUNPACK);
- ctx->Unpack.SkipPixels = param;
- break;
- case GL_UNPACK_SKIP_ROWS:
- if (param<0) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" );
- return;
- }
- if (ctx->Unpack.SkipRows == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PACKUNPACK);
- ctx->Unpack.SkipRows = param;
- break;
- case GL_UNPACK_SKIP_IMAGES:
- if (param < 0) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" );
- return;
- }
- if (ctx->Unpack.SkipImages == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PACKUNPACK);
- ctx->Unpack.SkipImages = param;
- break;
- case GL_UNPACK_ALIGNMENT:
- if (param!=1 && param!=2 && param!=4 && param!=8) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore" );
- return;
- }
- if (ctx->Unpack.Alignment == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PACKUNPACK);
- ctx->Unpack.Alignment = param;
- break;
- case GL_UNPACK_CLIENT_STORAGE_APPLE:
- if (param == (GLint)ctx->Unpack.ClientStorage)
- return;
- FLUSH_VERTICES(ctx, _NEW_PACKUNPACK);
- ctx->Unpack.ClientStorage = param ? GL_TRUE : GL_FALSE;
- break;
- default:
- _mesa_error( ctx, GL_INVALID_ENUM, "glPixelStore" );
- return;
+ 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;
}
}
-void GLAPIENTRY
-_mesa_PixelStoref( GLenum pname, GLfloat param )
-{
- _mesa_PixelStorei( pname, (GLint) param );
-}
-
-
-
-/**********************************************************************/
-/***** glPixelMap *****/
-/**********************************************************************/
-
-
/**
* 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] = (GLint) values[i];
- }
- break;
- case GL_PIXEL_MAP_I_TO_I:
- ctx->Pixel.MapItoIsize = mapsize;
- for (i = 0; i < mapsize; i++) {
- ctx->Pixel.MapItoI[i] = (GLint) 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] = (GLfloat)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);
+ }
}
}
if (map >= GL_PIXEL_MAP_S_TO_S && map <= GL_PIXEL_MAP_I_TO_A) {
/* test that mapsize is a power of two */
- if (_mesa_bitcount((GLuint) mapsize) != 1) {
+ if (!_mesa_is_pow_two(mapsize)) {
_mesa_error( ctx, GL_INVALID_VALUE, "glPixelMapfv(mapsize)" );
return;
}
GLubyte *buf;
/* Note, need to use DefaultPacking and Unpack's buffer object */
ctx->DefaultPacking.BufferObj = ctx->Unpack.BufferObj;
- if (!_mesa_validate_pbo_access(&ctx->DefaultPacking, mapsize, 1, 1,
+ if (!_mesa_validate_pbo_access(1, &ctx->DefaultPacking, mapsize, 1, 1,
GL_INTENSITY, GL_FLOAT, values)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glPixelMapfv(invalid PBO access)");
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,
}
-
void GLAPIENTRY
_mesa_PixelMapuiv(GLenum map, GLsizei mapsize, const GLuint *values )
{
if (map >= GL_PIXEL_MAP_S_TO_S && map <= GL_PIXEL_MAP_I_TO_A) {
/* test that mapsize is a power of two */
- if (_mesa_bitcount((GLuint) mapsize) != 1) {
+ if (!_mesa_is_pow_two(mapsize)) {
_mesa_error( ctx, GL_INVALID_VALUE, "glPixelMapuiv(mapsize)" );
return;
}
GLubyte *buf;
/* Note, need to use DefaultPacking and Unpack's buffer object */
ctx->DefaultPacking.BufferObj = ctx->Unpack.BufferObj;
- if (!_mesa_validate_pbo_access(&ctx->DefaultPacking, mapsize, 1, 1,
+ if (!_mesa_validate_pbo_access(1, &ctx->DefaultPacking, mapsize, 1, 1,
GL_INTENSITY, GL_UNSIGNED_INT, values)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glPixelMapuiv(invalid PBO access)");
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 )
{
if (map >= GL_PIXEL_MAP_S_TO_S && map <= GL_PIXEL_MAP_I_TO_A) {
/* test that mapsize is a power of two */
- if (_mesa_bitcount((GLuint) mapsize) != 1) {
+ if (!_mesa_is_pow_two(mapsize)) {
_mesa_error( ctx, GL_INVALID_VALUE, "glPixelMapuiv(mapsize)" );
return;
}
GLubyte *buf;
/* Note, need to use DefaultPacking and Unpack's buffer object */
ctx->DefaultPacking.BufferObj = ctx->Unpack.BufferObj;
- if (!_mesa_validate_pbo_access(&ctx->DefaultPacking, mapsize, 1, 1,
+ if (!_mesa_validate_pbo_access(1, &ctx->DefaultPacking, mapsize, 1, 1,
GL_INTENSITY, GL_UNSIGNED_SHORT,
values)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
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++) {
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);
}
{
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 */
GLubyte *buf;
/* Note, need to use DefaultPacking and Pack's buffer object */
ctx->DefaultPacking.BufferObj = ctx->Pack.BufferObj;
- if (!_mesa_validate_pbo_access(&ctx->DefaultPacking, mapsize, 1, 1,
+ if (!_mesa_validate_pbo_access(1, &ctx->DefaultPacking, mapsize, 1, 1,
GL_INTENSITY, GL_FLOAT, values)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGetPixelMapfv(invalid PBO access)");
return;
}
- switch (map) {
- case GL_PIXEL_MAP_I_TO_I:
- for (i = 0; i < mapsize; i++) {
- values[i] = (GLfloat) ctx->Pixel.MapItoI[i];
- }
- 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) {
{
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 */
GLubyte *buf;
/* Note, need to use DefaultPacking and Pack's buffer object */
ctx->DefaultPacking.BufferObj = ctx->Pack.BufferObj;
- if (!_mesa_validate_pbo_access(&ctx->DefaultPacking, mapsize, 1, 1,
+ if (!_mesa_validate_pbo_access(1, &ctx->DefaultPacking, mapsize, 1, 1,
GL_INTENSITY, GL_UNSIGNED_INT, values)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGetPixelMapuiv(invalid PBO access)");
return;
}
- switch (map) {
- case GL_PIXEL_MAP_I_TO_I:
- MEMCPY(values, ctx->Pixel.MapItoI, mapsize * sizeof(GLint));
- 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) {
{
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 */
GLubyte *buf;
/* Note, need to use DefaultPacking and Pack's buffer object */
ctx->DefaultPacking.BufferObj = ctx->Pack.BufferObj;
- if (!_mesa_validate_pbo_access(&ctx->DefaultPacking, mapsize, 1, 1,
+ if (!_mesa_validate_pbo_access(1, &ctx->DefaultPacking, mapsize, 1, 1,
GL_INTENSITY, GL_UNSIGNED_SHORT,
values)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
}
switch (map) {
- case GL_PIXEL_MAP_I_TO_I:
- for (i = 0; i < mapsize; i++) {
- values[i] = (GLushort) ctx->Pixel.MapItoI[i];
- }
- break;
- case GL_PIXEL_MAP_S_TO_S:
- for (i = 0; i < mapsize; i++) {
- values[i] = (GLushort) ctx->Pixel.MapStoS[i];
- }
- break;
- case GL_PIXEL_MAP_I_TO_R:
- for (i = 0; i < mapsize; i++) {
- values[i] = FLOAT_TO_USHORT( ctx->Pixel.MapItoR[i] );
- }
- break;
- case GL_PIXEL_MAP_I_TO_G:
- for (i = 0; i < mapsize; i++) {
- values[i] = FLOAT_TO_USHORT( ctx->Pixel.MapItoG[i] );
- }
- break;
- case GL_PIXEL_MAP_I_TO_B:
- for (i = 0; i < mapsize; i++) {
- values[i] = FLOAT_TO_USHORT( ctx->Pixel.MapItoB[i] );
- }
- break;
- case GL_PIXEL_MAP_I_TO_A:
- for (i = 0; i < mapsize; i++) {
- values[i] = FLOAT_TO_USHORT( ctx->Pixel.MapItoA[i] );
- }
- break;
- case GL_PIXEL_MAP_R_TO_R:
- for (i = 0; i < mapsize; i++) {
- values[i] = FLOAT_TO_USHORT( ctx->Pixel.MapRtoR[i] );
- }
- break;
- case GL_PIXEL_MAP_G_TO_G:
- for (i = 0; i < mapsize; i++) {
- values[i] = FLOAT_TO_USHORT( ctx->Pixel.MapGtoG[i] );
- }
- break;
- case GL_PIXEL_MAP_B_TO_B:
- for (i = 0; i < mapsize; i++) {
- values[i] = FLOAT_TO_USHORT( ctx->Pixel.MapBtoB[i] );
- }
- break;
- case GL_PIXEL_MAP_A_TO_A:
- for (i = 0; i < mapsize; i++) {
- values[i] = FLOAT_TO_USHORT( 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) {
ctx->Pixel.PostConvolutionBias[2] = param;
break;
case GL_POST_CONVOLUTION_ALPHA_SCALE:
- if (ctx->Pixel.PostConvolutionScale[2] == param)
+ if (ctx->Pixel.PostConvolutionScale[3] == param)
return;
FLUSH_VERTICES(ctx, _NEW_PIXEL);
- ctx->Pixel.PostConvolutionScale[2] = param;
+ ctx->Pixel.PostConvolutionScale[3] = param;
break;
case GL_POST_CONVOLUTION_ALPHA_BIAS:
- if (ctx->Pixel.PostConvolutionBias[2] == param)
+ if (ctx->Pixel.PostConvolutionBias[3] == param)
return;
FLUSH_VERTICES(ctx, _NEW_PIXEL);
- ctx->Pixel.PostConvolutionBias[2] = param;
+ ctx->Pixel.PostConvolutionBias[3] = param;
break;
default:
_mesa_error( ctx, GL_INVALID_ENUM, "glPixelTransfer(pname)" );
-/**********************************************************************/
-/***** Pixel processing functions ******/
-/**********************************************************************/
-
-/*
- * Apply scale and bias factors to an array of RGBA pixels.
- */
-void
-_mesa_scale_and_bias_rgba(GLcontext *ctx, GLuint n, GLfloat rgba[][4],
- GLfloat rScale, GLfloat gScale,
- GLfloat bScale, GLfloat aScale,
- GLfloat rBias, GLfloat gBias,
- GLfloat bBias, GLfloat aBias)
-{
- (void) ctx;
-
- if (rScale != 1.0 || rBias != 0.0) {
- GLuint i;
- for (i = 0; i < n; i++) {
- rgba[i][RCOMP] = rgba[i][RCOMP] * rScale + rBias;
- }
- }
- if (gScale != 1.0 || gBias != 0.0) {
- GLuint i;
- for (i = 0; i < n; i++) {
- rgba[i][GCOMP] = rgba[i][GCOMP] * gScale + gBias;
- }
- }
- if (bScale != 1.0 || bBias != 0.0) {
- GLuint i;
- for (i = 0; i < n; i++) {
- rgba[i][BCOMP] = rgba[i][BCOMP] * bScale + bBias;
- }
- }
- if (aScale != 1.0 || aBias != 0.0) {
- GLuint i;
- for (i = 0; i < n; i++) {
- rgba[i][ACOMP] = rgba[i][ACOMP] * aScale + aBias;
- }
- }
-}
-
-
-/*
- * Apply pixel mapping to an array of floating point RGBA pixels.
- */
-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;
- GLuint i;
- for (i=0;i<n;i++) {
- GLfloat r = CLAMP(rgba[i][RCOMP], 0.0F, 1.0F);
- GLfloat g = CLAMP(rgba[i][GCOMP], 0.0F, 1.0F);
- GLfloat b = CLAMP(rgba[i][BCOMP], 0.0F, 1.0F);
- GLfloat a = CLAMP(rgba[i][ACOMP], 0.0F, 1.0F);
- rgba[i][RCOMP] = rMap[IROUND(r * rscale)];
- rgba[i][GCOMP] = gMap[IROUND(g * gscale)];
- rgba[i][BCOMP] = bMap[IROUND(b * bscale)];
- rgba[i][ACOMP] = aMap[IROUND(a * ascale)];
- }
-}
-
-
-/*
- * Apply the color matrix and post color matrix scaling and biasing.
- */
-void
-_mesa_transform_rgba(const GLcontext *ctx, GLuint n, GLfloat rgba[][4])
-{
- const GLfloat rs = ctx->Pixel.PostColorMatrixScale[0];
- const GLfloat rb = ctx->Pixel.PostColorMatrixBias[0];
- const GLfloat gs = ctx->Pixel.PostColorMatrixScale[1];
- const GLfloat gb = ctx->Pixel.PostColorMatrixBias[1];
- const GLfloat bs = ctx->Pixel.PostColorMatrixScale[2];
- const GLfloat bb = ctx->Pixel.PostColorMatrixBias[2];
- const GLfloat as = ctx->Pixel.PostColorMatrixScale[3];
- const GLfloat ab = ctx->Pixel.PostColorMatrixBias[3];
- const GLfloat *m = ctx->ColorMatrixStack.Top->m;
- GLuint i;
- for (i = 0; i < n; i++) {
- const GLfloat r = rgba[i][RCOMP];
- const GLfloat g = rgba[i][GCOMP];
- const GLfloat b = rgba[i][BCOMP];
- const GLfloat a = rgba[i][ACOMP];
- rgba[i][RCOMP] = (m[0] * r + m[4] * g + m[ 8] * b + m[12] * a) * rs + rb;
- rgba[i][GCOMP] = (m[1] * r + m[5] * g + m[ 9] * b + m[13] * a) * gs + gb;
- rgba[i][BCOMP] = (m[2] * r + m[6] * g + m[10] * b + m[14] * a) * bs + bb;
- rgba[i][ACOMP] = (m[3] * r + m[7] * g + m[11] * b + m[15] * a) * as + ab;
- }
-}
-
-
-/**
- * Apply a color table lookup to an array of floating point RGBA colors.
- */
-void
-_mesa_lookup_rgba_float(const struct gl_color_table *table,
- GLuint n, GLfloat rgba[][4])
-{
- if (!table->Table || table->Size == 0)
- return;
-
- switch (table->Format) {
- case GL_INTENSITY:
- /* replace RGBA with I */
- if (table->Type == GL_FLOAT) {
- const GLint max = table->Size - 1;
- const GLfloat scale = (GLfloat) max;
- const GLfloat *lut = (const GLfloat *) table->Table;
- GLuint i;
- for (i = 0; i < n; i++) {
- GLint j = IROUND(rgba[i][RCOMP] * scale);
- GLfloat c = lut[CLAMP(j, 0, max)];
- rgba[i][RCOMP] = rgba[i][GCOMP] =
- rgba[i][BCOMP] = rgba[i][ACOMP] = c;
- }
- }
- else {
- const GLint max = table->Size - 1;
- const GLfloat scale = (GLfloat) max;
- const GLchan *lut = (const GLchan *) table->Table;
- GLuint i;
- for (i = 0; i < n; i++) {
- GLint j = IROUND(rgba[i][RCOMP] * scale);
- GLfloat c = CHAN_TO_FLOAT(lut[CLAMP(j, 0, max)]);
- rgba[i][RCOMP] = rgba[i][GCOMP] =
- rgba[i][BCOMP] = rgba[i][ACOMP] = c;
- }
- }
- break;
- case GL_LUMINANCE:
- /* replace RGB with L */
- if (table->Type == GL_FLOAT) {
- const GLint max = table->Size - 1;
- const GLfloat scale = (GLfloat) max;
- const GLfloat *lut = (const GLfloat *) table->Table;
- GLuint i;
- for (i = 0; i < n; i++) {
- GLint j = IROUND(rgba[i][RCOMP] * scale);
- GLfloat c = lut[CLAMP(j, 0, max)];
- rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = c;
- }
- }
- else {
- const GLint max = table->Size - 1;
- const GLfloat scale = (GLfloat) max;
- const GLchan *lut = (const GLchan *) table->Table;
- GLuint i;
- for (i = 0; i < n; i++) {
- GLint j = IROUND(rgba[i][RCOMP] * scale);
- GLfloat c = CHAN_TO_FLOAT(lut[CLAMP(j, 0, max)]);
- rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = c;
- }
- }
- break;
- case GL_ALPHA:
- /* replace A with A */
- if (table->Type == GL_FLOAT) {
- const GLint max = table->Size - 1;
- const GLfloat scale = (GLfloat) max;
- const GLfloat *lut = (const GLfloat *) table->Table;
- GLuint i;
- for (i = 0; i < n; i++) {
- GLint j = IROUND(rgba[i][ACOMP] * scale);
- rgba[i][ACOMP] = lut[CLAMP(j, 0, max)];
- }
- }
- else {
- const GLint max = table->Size - 1;
- const GLfloat scale = (GLfloat) max;
- const GLchan *lut = (const GLchan *) table->Table;
- GLuint i;
- for (i = 0; i < n; i++) {
- GLint j = IROUND(rgba[i][ACOMP] * scale);
- rgba[i][ACOMP] = CHAN_TO_FLOAT(lut[CLAMP(j, 0, max)]);
- }
- }
- break;
- case GL_LUMINANCE_ALPHA:
- /* replace RGBA with LLLA */
- if (table->Type == GL_FLOAT) {
- const GLint max = table->Size - 1;
- const GLfloat scale = (GLfloat) max;
- const GLfloat *lut = (const GLfloat *) table->Table;
- GLuint i;
- for (i = 0; i < n; i++) {
- GLint jL = IROUND(rgba[i][RCOMP] * scale);
- GLint jA = IROUND(rgba[i][ACOMP] * scale);
- GLfloat luminance, alpha;
- jL = CLAMP(jL, 0, max);
- jA = CLAMP(jA, 0, max);
- luminance = lut[jL * 2 + 0];
- alpha = lut[jA * 2 + 1];
- rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = luminance;
- rgba[i][ACOMP] = alpha;;
- }
- }
- else {
- const GLint max = table->Size - 1;
- const GLfloat scale = (GLfloat) max;
- const GLchan *lut = (const GLchan *) table->Table;
- GLuint i;
- for (i = 0; i < n; i++) {
- GLint jL = IROUND(rgba[i][RCOMP] * scale);
- GLint jA = IROUND(rgba[i][ACOMP] * scale);
- GLfloat luminance, alpha;
- jL = CLAMP(jL, 0, max);
- jA = CLAMP(jA, 0, max);
- luminance = CHAN_TO_FLOAT(lut[jL * 2 + 0]);
- alpha = CHAN_TO_FLOAT(lut[jA * 2 + 1]);
- rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = luminance;
- rgba[i][ACOMP] = alpha;;
- }
- }
- break;
- case GL_RGB:
- /* replace RGB with RGB */
- if (table->Type == GL_FLOAT) {
- const GLint max = table->Size - 1;
- const GLfloat scale = (GLfloat) max;
- const GLfloat *lut = (const GLfloat *) table->Table;
- GLuint i;
- for (i = 0; i < n; i++) {
- GLint jR = IROUND(rgba[i][RCOMP] * scale);
- GLint jG = IROUND(rgba[i][GCOMP] * scale);
- GLint jB = IROUND(rgba[i][BCOMP] * scale);
- jR = CLAMP(jR, 0, max);
- jG = CLAMP(jG, 0, max);
- jB = CLAMP(jB, 0, max);
- rgba[i][RCOMP] = lut[jR * 3 + 0];
- rgba[i][GCOMP] = lut[jG * 3 + 1];
- rgba[i][BCOMP] = lut[jB * 3 + 2];
- }
- }
- else {
- const GLint max = table->Size - 1;
- const GLfloat scale = (GLfloat) max;
- const GLchan *lut = (const GLchan *) table->Table;
- GLuint i;
- for (i = 0; i < n; i++) {
- GLint jR = IROUND(rgba[i][RCOMP] * scale);
- GLint jG = IROUND(rgba[i][GCOMP] * scale);
- GLint jB = IROUND(rgba[i][BCOMP] * scale);
- jR = CLAMP(jR, 0, max);
- jG = CLAMP(jG, 0, max);
- jB = CLAMP(jB, 0, max);
- rgba[i][RCOMP] = CHAN_TO_FLOAT(lut[jR * 3 + 0]);
- rgba[i][GCOMP] = CHAN_TO_FLOAT(lut[jG * 3 + 1]);
- rgba[i][BCOMP] = CHAN_TO_FLOAT(lut[jB * 3 + 2]);
- }
- }
- break;
- case GL_RGBA:
- /* replace RGBA with RGBA */
- if (table->Type == GL_FLOAT) {
- const GLint max = table->Size - 1;
- const GLfloat scale = (GLfloat) max;
- const GLfloat *lut = (const GLfloat *) table->Table;
- GLuint i;
- for (i = 0; i < n; i++) {
- GLint jR = IROUND(rgba[i][RCOMP] * scale);
- GLint jG = IROUND(rgba[i][GCOMP] * scale);
- GLint jB = IROUND(rgba[i][BCOMP] * scale);
- GLint jA = IROUND(rgba[i][ACOMP] * scale);
- jR = CLAMP(jR, 0, max);
- jG = CLAMP(jG, 0, max);
- jB = CLAMP(jB, 0, max);
- jA = CLAMP(jA, 0, max);
- rgba[i][RCOMP] = lut[jR * 4 + 0];
- rgba[i][GCOMP] = lut[jG * 4 + 1];
- rgba[i][BCOMP] = lut[jB * 4 + 2];
- rgba[i][ACOMP] = lut[jA * 4 + 3];
- }
- }
- else {
- const GLint max = table->Size - 1;
- const GLfloat scale = (GLfloat) max;
- const GLchan *lut = (const GLchan *) table->Table;
- GLuint i;
- for (i = 0; i < n; i++) {
- GLint jR = IROUND(rgba[i][RCOMP] * scale);
- GLint jG = IROUND(rgba[i][GCOMP] * scale);
- GLint jB = IROUND(rgba[i][BCOMP] * scale);
- GLint jA = IROUND(rgba[i][ACOMP] * scale);
- jR = CLAMP(jR, 0, max);
- jG = CLAMP(jG, 0, max);
- jB = CLAMP(jB, 0, max);
- jA = CLAMP(jA, 0, max);
- rgba[i][RCOMP] = CHAN_TO_FLOAT(lut[jR * 4 + 0]);
- rgba[i][GCOMP] = CHAN_TO_FLOAT(lut[jG * 4 + 1]);
- rgba[i][BCOMP] = CHAN_TO_FLOAT(lut[jB * 4 + 2]);
- rgba[i][ACOMP] = CHAN_TO_FLOAT(lut[jA * 4 + 3]);
- }
- }
- break;
- default:
- _mesa_problem(NULL, "Bad format in _mesa_lookup_rgba_float");
- return;
- }
-}
-
-
-
-/**
- * Apply a color table lookup to an array of GLchan RGBA colors.
- */
-void
-_mesa_lookup_rgba_chan(const struct gl_color_table *table,
- GLuint n, GLchan rgba[][4])
-{
- if (!table->Table || table->Size == 0)
- return;
-
- switch (table->Format) {
- case GL_INTENSITY:
- /* replace RGBA with I */
- if (table->Type == GL_FLOAT) {
- const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF;
- const GLfloat *lut = (const GLfloat *) table->Table;
- GLuint i;
- for (i = 0; i < n; i++) {
- GLint j = IROUND((GLfloat) rgba[i][RCOMP] * scale);
- GLchan c;
- CLAMPED_FLOAT_TO_CHAN(c, lut[j]);
- rgba[i][RCOMP] = rgba[i][GCOMP] =
- rgba[i][BCOMP] = rgba[i][ACOMP] = c;
- }
- }
- else {
-#if CHAN_TYPE == GL_UNSIGNED_BYTE
- if (table->Size == 256) {
- /* common case */
- const GLchan *lut = (const GLchan *) table->Table;
- GLuint i;
- for (i = 0; i < n; i++) {
- const GLchan c = lut[rgba[i][RCOMP]];
- rgba[i][RCOMP] = rgba[i][GCOMP] =
- rgba[i][BCOMP] = rgba[i][ACOMP] = c;
- }
- }
- else
-#endif
- {
- const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF;
- const GLchan *lut = (const GLchan *) table->Table;
- GLuint i;
- for (i = 0; i < n; i++) {
- GLint j = IROUND((GLfloat) rgba[i][RCOMP] * scale);
- rgba[i][RCOMP] = rgba[i][GCOMP] =
- rgba[i][BCOMP] = rgba[i][ACOMP] = lut[j];
- }
- }
- }
- break;
- case GL_LUMINANCE:
- /* replace RGB with L */
- if (table->Type == GL_FLOAT) {
- const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF;
- const GLfloat *lut = (const GLfloat *) table->Table;
- GLuint i;
- for (i = 0; i < n; i++) {
- GLint j = IROUND((GLfloat) rgba[i][RCOMP] * scale);
- GLchan c;
- CLAMPED_FLOAT_TO_CHAN(c, lut[j]);
- rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = c;
- }
- }
- else {
-#if CHAN_TYPE == GL_UNSIGNED_BYTE
- if (table->Size == 256) {
- /* common case */
- const GLchan *lut = (const GLchan *) table->Table;
- GLuint i;
- for (i = 0; i < n; i++) {
- const GLchan c = lut[rgba[i][RCOMP]];
- rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = c;
- }
- }
- else
-#endif
- {
- const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF;
- const GLchan *lut = (const GLchan *) table->Table;
- GLuint i;
- for (i = 0; i < n; i++) {
- GLint j = IROUND((GLfloat) rgba[i][RCOMP] * scale);
- rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = lut[j];
- }
- }
- }
- break;
- case GL_ALPHA:
- /* replace A with A */
- if (table->Type == GL_FLOAT) {
- const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF;
- const GLfloat *lut = (const GLfloat *) table->Table;
- GLuint i;
- for (i = 0; i < n; i++) {
- GLint j = IROUND((GLfloat) rgba[i][ACOMP] * scale);
- GLchan c;
- CLAMPED_FLOAT_TO_CHAN(c, lut[j]);
- rgba[i][ACOMP] = c;
- }
- }
- else {
-#if CHAN_TYPE == GL_UNSIGNED_BYTE
- if (table->Size == 256) {
- /* common case */
- const GLchan *lut = (const GLchan *) table->Table;
- GLuint i;
- for (i = 0; i < n; i++) {
- rgba[i][ACOMP] = lut[rgba[i][ACOMP]];
- }
- }
- else
-#endif
- {
- const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF;
- const GLchan *lut = (const GLchan *) table->Table;
- GLuint i;
- for (i = 0; i < n; i++) {
- GLint j = IROUND((GLfloat) rgba[i][ACOMP] * scale);
- rgba[i][ACOMP] = lut[j];
- }
- }
- }
- break;
- case GL_LUMINANCE_ALPHA:
- /* replace RGBA with LLLA */
- if (table->Type == GL_FLOAT) {
- const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF;
- const GLfloat *lut = (const GLfloat *) table->Table;
- GLuint i;
- for (i = 0; i < n; i++) {
- GLint jL = IROUND((GLfloat) rgba[i][RCOMP] * scale);
- GLint jA = IROUND((GLfloat) rgba[i][ACOMP] * scale);
- GLchan luminance, alpha;
- CLAMPED_FLOAT_TO_CHAN(luminance, lut[jL * 2 + 0]);
- CLAMPED_FLOAT_TO_CHAN(alpha, lut[jA * 2 + 1]);
- rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = luminance;
- rgba[i][ACOMP] = alpha;;
- }
- }
- else {
-#if CHAN_TYPE == GL_UNSIGNED_BYTE
- if (table->Size == 256) {
- /* common case */
- const GLchan *lut = (const GLchan *) table->Table;
- GLuint i;
- for (i = 0; i < n; i++) {
- GLchan l = lut[rgba[i][RCOMP] * 2 + 0];
- GLchan a = lut[rgba[i][ACOMP] * 2 + 1];;
- rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = l;
- rgba[i][ACOMP] = a;
- }
- }
- else
-#endif
- {
- const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF;
- const GLchan *lut = (const GLchan *) table->Table;
- GLuint i;
- for (i = 0; i < n; i++) {
- GLint jL = IROUND((GLfloat) rgba[i][RCOMP] * scale);
- GLint jA = IROUND((GLfloat) rgba[i][ACOMP] * scale);
- GLchan luminance = lut[jL * 2 + 0];
- GLchan alpha = lut[jA * 2 + 1];
- rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = luminance;
- rgba[i][ACOMP] = alpha;
- }
- }
- }
- break;
- case GL_RGB:
- /* replace RGB with RGB */
- if (table->Type == GL_FLOAT) {
- const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF;
- const GLfloat *lut = (const GLfloat *) table->Table;
- GLuint i;
- for (i = 0; i < n; i++) {
- GLint jR = IROUND((GLfloat) rgba[i][RCOMP] * scale);
- GLint jG = IROUND((GLfloat) rgba[i][GCOMP] * scale);
- GLint jB = IROUND((GLfloat) rgba[i][BCOMP] * scale);
- CLAMPED_FLOAT_TO_CHAN(rgba[i][RCOMP], lut[jR * 3 + 0]);
- CLAMPED_FLOAT_TO_CHAN(rgba[i][GCOMP], lut[jG * 3 + 1]);
- CLAMPED_FLOAT_TO_CHAN(rgba[i][BCOMP], lut[jB * 3 + 2]);
- }
- }
- else {
-#if CHAN_TYPE == GL_UNSIGNED_BYTE
- if (table->Size == 256) {
- /* common case */
- const GLchan *lut = (const GLchan *) table->Table;
- GLuint i;
- for (i = 0; i < n; i++) {
- rgba[i][RCOMP] = lut[rgba[i][RCOMP] * 3 + 0];
- rgba[i][GCOMP] = lut[rgba[i][GCOMP] * 3 + 1];
- rgba[i][BCOMP] = lut[rgba[i][BCOMP] * 3 + 2];
- }
- }
- else
-#endif
- {
- const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF;
- const GLchan *lut = (const GLchan *) table->Table;
- GLuint i;
- for (i = 0; i < n; i++) {
- GLint jR = IROUND((GLfloat) rgba[i][RCOMP] * scale);
- GLint jG = IROUND((GLfloat) rgba[i][GCOMP] * scale);
- GLint jB = IROUND((GLfloat) rgba[i][BCOMP] * scale);
- rgba[i][RCOMP] = lut[jR * 3 + 0];
- rgba[i][GCOMP] = lut[jG * 3 + 1];
- rgba[i][BCOMP] = lut[jB * 3 + 2];
- }
- }
- }
- break;
- case GL_RGBA:
- /* replace RGBA with RGBA */
- if (table->Type == GL_FLOAT) {
- const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF;
- const GLfloat *lut = (const GLfloat *) table->Table;
- GLuint i;
- for (i = 0; i < n; i++) {
- GLint jR = IROUND((GLfloat) rgba[i][RCOMP] * scale);
- GLint jG = IROUND((GLfloat) rgba[i][GCOMP] * scale);
- GLint jB = IROUND((GLfloat) rgba[i][BCOMP] * scale);
- GLint jA = IROUND((GLfloat) rgba[i][ACOMP] * scale);
- CLAMPED_FLOAT_TO_CHAN(rgba[i][RCOMP], lut[jR * 4 + 0]);
- CLAMPED_FLOAT_TO_CHAN(rgba[i][GCOMP], lut[jG * 4 + 1]);
- CLAMPED_FLOAT_TO_CHAN(rgba[i][BCOMP], lut[jB * 4 + 2]);
- CLAMPED_FLOAT_TO_CHAN(rgba[i][ACOMP], lut[jA * 4 + 3]);
- }
- }
- else {
-#if CHAN_TYPE == GL_UNSIGNED_BYTE
- if (table->Size == 256) {
- /* common case */
- const GLchan *lut = (const GLchan *) table->Table;
- GLuint i;
- for (i = 0; i < n; i++) {
- rgba[i][RCOMP] = lut[rgba[i][RCOMP] * 4 + 0];
- rgba[i][GCOMP] = lut[rgba[i][GCOMP] * 4 + 1];
- rgba[i][BCOMP] = lut[rgba[i][BCOMP] * 4 + 2];
- rgba[i][ACOMP] = lut[rgba[i][ACOMP] * 4 + 3];
- }
- }
- else
-#endif
- {
- const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF;
- const GLfloat *lut = (const GLfloat *) table->Table;
- GLuint i;
- for (i = 0; i < n; i++) {
- GLint jR = IROUND((GLfloat) rgba[i][RCOMP] * scale);
- GLint jG = IROUND((GLfloat) rgba[i][GCOMP] * scale);
- GLint jB = IROUND((GLfloat) rgba[i][BCOMP] * scale);
- GLint jA = IROUND((GLfloat) rgba[i][ACOMP] * scale);
- CLAMPED_FLOAT_TO_CHAN(rgba[i][RCOMP], lut[jR * 4 + 0]);
- CLAMPED_FLOAT_TO_CHAN(rgba[i][GCOMP], lut[jG * 4 + 1]);
- CLAMPED_FLOAT_TO_CHAN(rgba[i][BCOMP], lut[jB * 4 + 2]);
- CLAMPED_FLOAT_TO_CHAN(rgba[i][ACOMP], lut[jA * 4 + 3]);
- }
- }
- }
- break;
- default:
- _mesa_problem(NULL, "Bad format in _mesa_lookup_rgba_chan");
- return;
- }
-}
-
-
-
-/*
- * Apply color index shift and offset to an array of pixels.
- */
-void
-_mesa_shift_and_offset_ci( const GLcontext *ctx, GLuint n, GLuint indexes[] )
-{
- GLint shift = ctx->Pixel.IndexShift;
- GLint offset = ctx->Pixel.IndexOffset;
- GLuint i;
- if (shift > 0) {
- for (i=0;i<n;i++) {
- indexes[i] = (indexes[i] << shift) + offset;
- }
- }
- else if (shift < 0) {
- shift = -shift;
- for (i=0;i<n;i++) {
- indexes[i] = (indexes[i] >> shift) + offset;
- }
- }
- else {
- for (i=0;i<n;i++) {
- indexes[i] = indexes[i] + offset;
- }
- }
-}
-
-
-/*
- * Apply color index mapping to color indexes.
- */
-void
-_mesa_map_ci( const GLcontext *ctx, GLuint n, GLuint index[] )
-{
- GLuint mask = ctx->Pixel.MapItoIsize - 1;
- GLuint i;
- for (i=0;i<n;i++) {
- index[i] = ctx->Pixel.MapItoI[ index[i] & mask ];
- }
-}
-
-
-/*
- * Map color indexes to rgba values.
- */
-void
-_mesa_map_ci_to_rgba_chan( const GLcontext *ctx, GLuint n,
- const GLuint index[], GLchan rgba[][4] )
-{
-#if CHAN_BITS == 8
- 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 i;
- for (i=0;i<n;i++) {
- rgba[i][RCOMP] = rMap[index[i] & rmask];
- rgba[i][GCOMP] = gMap[index[i] & gmask];
- rgba[i][BCOMP] = bMap[index[i] & bmask];
- rgba[i][ACOMP] = aMap[index[i] & amask];
- }
-#else
- 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 i;
- for (i=0;i<n;i++) {
- CLAMPED_FLOAT_TO_CHAN(rgba[i][RCOMP], rMap[index[i] & rmask]);
- CLAMPED_FLOAT_TO_CHAN(rgba[i][GCOMP], gMap[index[i] & gmask]);
- CLAMPED_FLOAT_TO_CHAN(rgba[i][BCOMP], bMap[index[i] & bmask]);
- CLAMPED_FLOAT_TO_CHAN(rgba[i][ACOMP], aMap[index[i] & amask]);
- }
-#endif
-}
-
-
-/*
- * Map color indexes to float rgba values.
- */
-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 i;
- for (i=0;i<n;i++) {
- rgba[i][RCOMP] = rMap[index[i] & rmask];
- rgba[i][GCOMP] = gMap[index[i] & gmask];
- rgba[i][BCOMP] = bMap[index[i] & bmask];
- rgba[i][ACOMP] = aMap[index[i] & amask];
- }
-}
-
-
-/*
- * Map 8-bit color indexes to rgb values.
- */
-void
-_mesa_map_ci8_to_rgba( const GLcontext *ctx, GLuint n, const GLubyte index[],
- GLchan rgba[][4] )
-{
-#if CHAN_BITS == 8
- 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 i;
- for (i=0;i<n;i++) {
- rgba[i][RCOMP] = rMap[index[i] & rmask];
- rgba[i][GCOMP] = gMap[index[i] & gmask];
- rgba[i][BCOMP] = bMap[index[i] & bmask];
- rgba[i][ACOMP] = aMap[index[i] & amask];
- }
-#else
- 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 i;
- for (i=0;i<n;i++) {
- CLAMPED_FLOAT_TO_CHAN(rgba[i][RCOMP], rMap[index[i] & rmask]);
- CLAMPED_FLOAT_TO_CHAN(rgba[i][GCOMP], gMap[index[i] & gmask]);
- CLAMPED_FLOAT_TO_CHAN(rgba[i][BCOMP], bMap[index[i] & bmask]);
- CLAMPED_FLOAT_TO_CHAN(rgba[i][ACOMP], aMap[index[i] & amask]);
- }
-#endif
-}
-
-
-void
-_mesa_shift_and_offset_stencil( const GLcontext *ctx, GLuint n,
- GLstencil stencil[] )
-{
- GLuint i;
- GLint shift = ctx->Pixel.IndexShift;
- GLint offset = ctx->Pixel.IndexOffset;
- if (shift > 0) {
- for (i=0;i<n;i++) {
- stencil[i] = (stencil[i] << shift) + offset;
- }
- }
- else if (shift < 0) {
- shift = -shift;
- for (i=0;i<n;i++) {
- stencil[i] = (stencil[i] >> shift) + offset;
- }
- }
- else {
- for (i=0;i<n;i++) {
- stencil[i] = stencil[i] + offset;
- }
- }
-
-}
-
-
-void
-_mesa_map_stencil( const GLcontext *ctx, GLuint n, GLstencil stencil[] )
-{
- GLuint mask = ctx->Pixel.MapStoSsize - 1;
- GLuint i;
- for (i=0;i<n;i++) {
- stencil[i] = ctx->Pixel.MapStoS[ stencil[i] & mask ];
- }
-}
-
-
-
-/*
- * This function converts an array of GLchan colors to GLfloat colors.
- * Most importantly, it undoes the non-uniform quantization of pixel
- * values introduced when we convert shallow (< 8 bit) pixel values
- * to GLubytes in the ctx->Driver.ReadRGBASpan() functions.
- * This fixes a number of OpenGL conformance failures when running on
- * 16bpp displays, for example.
- */
-void
-_mesa_chan_to_float_span(const GLcontext *ctx, GLuint n,
- CONST GLchan rgba[][4], GLfloat rgbaf[][4])
-{
-#if CHAN_TYPE == GL_FLOAT
- MEMCPY(rgbaf, rgba, n * 4 * sizeof(GLfloat));
-#else
- const GLuint rShift = CHAN_BITS - ctx->Visual.redBits;
- const GLuint gShift = CHAN_BITS - ctx->Visual.greenBits;
- const GLuint bShift = CHAN_BITS - ctx->Visual.blueBits;
- GLuint aShift;
- const GLfloat rScale = 1.0F / (GLfloat) ((1 << ctx->Visual.redBits ) - 1);
- const GLfloat gScale = 1.0F / (GLfloat) ((1 << ctx->Visual.greenBits) - 1);
- const GLfloat bScale = 1.0F / (GLfloat) ((1 << ctx->Visual.blueBits ) - 1);
- GLfloat aScale;
- GLuint i;
-
- if (ctx->Visual.alphaBits > 0) {
- aShift = CHAN_BITS - ctx->Visual.alphaBits;
- aScale = 1.0F / (GLfloat) ((1 << ctx->Visual.alphaBits) - 1);
- }
- else {
- aShift = 0;
- aScale = 1.0F / CHAN_MAXF;
- }
-
- for (i = 0; i < n; i++) {
- const GLint r = rgba[i][RCOMP] >> rShift;
- const GLint g = rgba[i][GCOMP] >> gShift;
- const GLint b = rgba[i][BCOMP] >> bShift;
- const GLint a = rgba[i][ACOMP] >> aShift;
- rgbaf[i][RCOMP] = (GLfloat) r * rScale;
- rgbaf[i][GCOMP] = (GLfloat) g * gScale;
- rgbaf[i][BCOMP] = (GLfloat) b * bScale;
- rgbaf[i][ACOMP] = (GLfloat) a * aScale;
- }
-#endif
-}
-
/**********************************************************************/
/***** State Management *****/
/**********************************************************************/
if (ctx->Pixel.MapColorFlag)
mask |= IMAGE_MAP_COLOR_BIT;
- if (ctx->Pixel.ColorTableEnabled)
+ if (ctx->Pixel.ColorTableEnabled[COLORTABLE_PRECONVOLUTION])
mask |= IMAGE_COLOR_TABLE_BIT;
if (ctx->Pixel.Convolution1DEnabled ||
}
}
- if (ctx->Pixel.PostConvolutionColorTableEnabled)
+ if (ctx->Pixel.ColorTableEnabled[COLORTABLE_POSTCONVOLUTION])
mask |= IMAGE_POST_CONVOLUTION_COLOR_TABLE_BIT;
if (ctx->ColorMatrixStack.Top->type != MATRIX_IDENTITY ||
ctx->Pixel.PostColorMatrixBias[3] != 0.0F)
mask |= IMAGE_COLOR_MATRIX_BIT;
- if (ctx->Pixel.PostColorMatrixColorTableEnabled)
+ if (ctx->Pixel.ColorTableEnabled[COLORTABLE_POSTCOLORMATRIX])
mask |= IMAGE_POST_COLOR_MATRIX_COLOR_TABLE_BIT;
if (ctx->Pixel.HistogramEnabled)
}
+/**
+ * Update mesa pixel transfer derived state.
+ */
void _mesa_update_pixel( GLcontext *ctx, GLuint new_state )
{
if (new_state & _NEW_COLOR_MATRIX)
/* References ColorMatrix.type (derived above).
*/
- if (new_state & _IMAGE_NEW_TRANSFER_STATE)
+ if (new_state & _MESA_NEW_TRANSFER_STATE)
update_image_transfer_state(ctx);
}
/***** 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.
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;
- 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;
- ctx->Pixel.PixelTextureEnabled = GL_FALSE;
- ctx->Pixel.FragmentRgbSource = GL_PIXEL_GROUP_COLOR_SGIS;
- ctx->Pixel.FragmentAlphaSource = GL_PIXEL_GROUP_COLOR_SGIS;
ASSIGN_4V(ctx->Pixel.PostColorMatrixScale, 1.0, 1.0, 1.0, 1.0);
ASSIGN_4V(ctx->Pixel.PostColorMatrixBias, 0.0, 0.0, 0.0, 0.0);
- ASSIGN_4V(ctx->Pixel.ColorTableScale, 1.0, 1.0, 1.0, 1.0);
- ASSIGN_4V(ctx->Pixel.ColorTableBias, 0.0, 0.0, 0.0, 0.0);
- ASSIGN_4V(ctx->Pixel.PCCTscale, 1.0, 1.0, 1.0, 1.0);
- ASSIGN_4V(ctx->Pixel.PCCTbias, 0.0, 0.0, 0.0, 0.0);
- ASSIGN_4V(ctx->Pixel.PCMCTscale, 1.0, 1.0, 1.0, 1.0);
- ASSIGN_4V(ctx->Pixel.PCMCTbias, 0.0, 0.0, 0.0, 0.0);
- ctx->Pixel.ColorTableEnabled = GL_FALSE;
- ctx->Pixel.PostConvolutionColorTableEnabled = GL_FALSE;
- ctx->Pixel.PostColorMatrixColorTableEnabled = GL_FALSE;
+ for (i = 0; i < COLORTABLE_MAX; i++) {
+ ASSIGN_4V(ctx->Pixel.ColorTableScale[i], 1.0, 1.0, 1.0, 1.0);
+ ASSIGN_4V(ctx->Pixel.ColorTableBias[i], 0.0, 0.0, 0.0, 0.0);
+ ctx->Pixel.ColorTableEnabled[i] = GL_FALSE;
+ }
ctx->Pixel.Convolution1DEnabled = GL_FALSE;
ctx->Pixel.Convolution2DEnabled = GL_FALSE;
ctx->Pixel.Separable2DEnabled = GL_FALSE;
ASSIGN_4V(ctx->Pixel.TextureColorTableScale, 1.0, 1.0, 1.0, 1.0);
ASSIGN_4V(ctx->Pixel.TextureColorTableBias, 0.0, 0.0, 0.0, 0.0);
- /* Pixel transfer */
- ctx->Pack.Alignment = 4;
- ctx->Pack.RowLength = 0;
- ctx->Pack.ImageHeight = 0;
- ctx->Pack.SkipPixels = 0;
- ctx->Pack.SkipRows = 0;
- ctx->Pack.SkipImages = 0;
- ctx->Pack.SwapBytes = GL_FALSE;
- ctx->Pack.LsbFirst = GL_FALSE;
- ctx->Pack.ClientStorage = GL_FALSE;
- ctx->Pack.Invert = GL_FALSE;
-#if FEATURE_EXT_pixel_buffer_object
- ctx->Pack.BufferObj = ctx->Array.NullBufferObj;
-#endif
- ctx->Unpack.Alignment = 4;
- ctx->Unpack.RowLength = 0;
- ctx->Unpack.ImageHeight = 0;
- ctx->Unpack.SkipPixels = 0;
- ctx->Unpack.SkipRows = 0;
- ctx->Unpack.SkipImages = 0;
- ctx->Unpack.SwapBytes = GL_FALSE;
- ctx->Unpack.LsbFirst = GL_FALSE;
- ctx->Unpack.ClientStorage = GL_FALSE;
- ctx->Unpack.Invert = GL_FALSE;
-#if FEATURE_EXT_pixel_buffer_object
- ctx->Unpack.BufferObj = ctx->Array.NullBufferObj;
-#endif
-
- /*
- * _mesa_unpack_image() returns image data in this format. When we
- * execute image commands (glDrawPixels(), glTexImage(), etc) from
- * within display lists we have to be sure to set the current
- * unpacking parameters to these values!
- */
- ctx->DefaultPacking.Alignment = 1;
- ctx->DefaultPacking.RowLength = 0;
- ctx->DefaultPacking.SkipPixels = 0;
- ctx->DefaultPacking.SkipRows = 0;
- ctx->DefaultPacking.ImageHeight = 0;
- ctx->DefaultPacking.SkipImages = 0;
- ctx->DefaultPacking.SwapBytes = GL_FALSE;
- ctx->DefaultPacking.LsbFirst = GL_FALSE;
- ctx->DefaultPacking.ClientStorage = GL_FALSE;
- ctx->DefaultPacking.Invert = GL_FALSE;
-#if FEATURE_EXT_pixel_buffer_object
- ctx->DefaultPacking.BufferObj = ctx->Array.NullBufferObj;
-#endif
-
if (ctx->Visual.doubleBufferMode) {
ctx->Pixel.ReadBuffer = GL_BACK;
- ctx->Pixel._ReadSrcMask = DD_BACK_LEFT_BIT;
}
else {
ctx->Pixel.ReadBuffer = GL_FRONT;
- ctx->Pixel._ReadSrcMask = DD_FRONT_LEFT_BIT;
}
/* Miscellaneous */
projects / mesa.git / blobdiff