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|
/*
* Mesa 3-D graphics library
* Version: 6.1
*
* Copyright (C) 1999-2004 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "glheader.h"
#include "imports.h"
#include "colortab.h"
#include "context.h"
#include "image.h"
#include "macros.h"
#include "state.h"
/*
* Given an internalFormat token passed to glColorTable,
* return the corresponding base format.
* Return -1 if invalid token.
*/
static GLint
base_colortab_format( GLenum format )
{
switch (format) {
case GL_ALPHA:
case GL_ALPHA4:
case GL_ALPHA8:
case GL_ALPHA12:
case GL_ALPHA16:
return GL_ALPHA;
case GL_LUMINANCE:
case GL_LUMINANCE4:
case GL_LUMINANCE8:
case GL_LUMINANCE12:
case GL_LUMINANCE16:
return GL_LUMINANCE;
case GL_LUMINANCE_ALPHA:
case GL_LUMINANCE4_ALPHA4:
case GL_LUMINANCE6_ALPHA2:
case GL_LUMINANCE8_ALPHA8:
case GL_LUMINANCE12_ALPHA4:
case GL_LUMINANCE12_ALPHA12:
case GL_LUMINANCE16_ALPHA16:
return GL_LUMINANCE_ALPHA;
case GL_INTENSITY:
case GL_INTENSITY4:
case GL_INTENSITY8:
case GL_INTENSITY12:
case GL_INTENSITY16:
return GL_INTENSITY;
case GL_RGB:
case GL_R3_G3_B2:
case GL_RGB4:
case GL_RGB5:
case GL_RGB8:
case GL_RGB10:
case GL_RGB12:
case GL_RGB16:
return GL_RGB;
case GL_RGBA:
case GL_RGBA2:
case GL_RGBA4:
case GL_RGB5_A1:
case GL_RGBA8:
case GL_RGB10_A2:
case GL_RGBA12:
case GL_RGBA16:
return GL_RGBA;
default:
return -1; /* error */
}
}
/*
* Examine table's format and set the component sizes accordingly.
*/
static void
set_component_sizes( struct gl_color_table *table )
{
GLubyte sz;
switch (table->Type) {
case GL_UNSIGNED_BYTE:
sz = sizeof(GLubyte);
break;
case GL_UNSIGNED_SHORT:
sz = sizeof(GLushort);
break;
case GL_FLOAT:
sz = sizeof(GLfloat);
break;
default:
_mesa_problem(NULL, "bad color table type in set_component_sizes 0x%x", table->Type);
return;
}
switch (table->Format) {
case GL_ALPHA:
table->RedSize = 0;
table->GreenSize = 0;
table->BlueSize = 0;
table->AlphaSize = sz;
table->IntensitySize = 0;
table->LuminanceSize = 0;
break;
case GL_LUMINANCE:
table->RedSize = 0;
table->GreenSize = 0;
table->BlueSize = 0;
table->AlphaSize = 0;
table->IntensitySize = 0;
table->LuminanceSize = sz;
break;
case GL_LUMINANCE_ALPHA:
table->RedSize = 0;
table->GreenSize = 0;
table->BlueSize = 0;
table->AlphaSize = sz;
table->IntensitySize = 0;
table->LuminanceSize = sz;
break;
case GL_INTENSITY:
table->RedSize = 0;
table->GreenSize = 0;
table->BlueSize = 0;
table->AlphaSize = 0;
table->IntensitySize = sz;
table->LuminanceSize = 0;
break;
case GL_RGB:
table->RedSize = sz;
table->GreenSize = sz;
table->BlueSize = sz;
table->AlphaSize = 0;
table->IntensitySize = 0;
table->LuminanceSize = 0;
break;
case GL_RGBA:
table->RedSize = sz;
table->GreenSize = sz;
table->BlueSize = sz;
table->AlphaSize = sz;
table->IntensitySize = 0;
table->LuminanceSize = 0;
break;
default:
_mesa_problem(NULL, "unexpected format in set_component_sizes");
}
}
/**
* Update/replace all or part of a color table. Helper function
* used by _mesa_ColorTable() and _mesa_ColorSubTable().
* The table->Table buffer should already be allocated.
* \param start - first entry to update
* \param count - number of entries to update
* \param format - format of user-provided table data
* \param type - datatype of user-provided table data
* \param data - user-provided table data
* \param [rgba]Scale - RGBA scale factors
* \param [rgba]Bias - RGBA bias factors
*/
static void
store_colortable_entries(GLcontext *ctx, struct gl_color_table *table,
GLsizei start, GLsizei count,
GLenum format, GLenum type, const GLvoid *data,
GLfloat rScale, GLfloat rBias,
GLfloat gScale, GLfloat gBias,
GLfloat bScale, GLfloat bBias,
GLfloat aScale, GLfloat aBias)
{
if (table->Type == GL_FLOAT) {
/* convert user-provided data to GLfloat values */
GLfloat tempTab[MAX_COLOR_TABLE_SIZE * 4];
GLfloat *tableF;
GLint i;
_mesa_unpack_float_color_span(ctx,
count, /* number of pixels */
table->Format, /* dest format */
tempTab, /* dest address */
format, type, data, /* src data */
&ctx->Unpack,
0, /* transfer ops */
GL_FALSE); /* clamping */
tableF = (GLfloat *) table->Table;
switch (table->Format) {
case GL_INTENSITY:
for (i = 0; i < count; i++) {
GLuint j = start + i;
tableF[j] = CLAMP(tempTab[i] * rScale + rBias, 0.0F, 1.0F);
}
break;
case GL_LUMINANCE:
for (i = 0; i < count; i++) {
GLuint j = start + i;
tableF[j] = CLAMP(tempTab[i] * rScale + rBias, 0.0F, 1.0F);
}
break;
case GL_ALPHA:
for (i = 0; i < count; i++) {
GLuint j = start + i;
tableF[j] = CLAMP(tempTab[i] * aScale + aBias, 0.0F, 1.0F);
}
break;
case GL_LUMINANCE_ALPHA:
for (i = 0; i < count; i++) {
GLuint j = start + i;
tableF[j*2+0] = CLAMP(tempTab[i*2+0] * rScale + rBias, 0.0F, 1.0F);
tableF[j*2+1] = CLAMP(tempTab[i*2+1] * aScale + aBias, 0.0F, 1.0F);
}
break;
case GL_RGB:
for (i = 0; i < count; i++) {
GLuint j = start + i;
tableF[j*3+0] = CLAMP(tempTab[i*3+0] * rScale + rBias, 0.0F, 1.0F);
tableF[j*3+1] = CLAMP(tempTab[i*3+1] * gScale + gBias, 0.0F, 1.0F);
tableF[j*3+2] = CLAMP(tempTab[i*3+2] * bScale + bBias, 0.0F, 1.0F);
}
break;
case GL_RGBA:
for (i = 0; i < count; i++) {
GLuint j = start + i;
tableF[j*4+0] = CLAMP(tempTab[i*4+0] * rScale + rBias, 0.0F, 1.0F);
tableF[j*4+1] = CLAMP(tempTab[i*4+1] * gScale + gBias, 0.0F, 1.0F);
tableF[j*4+2] = CLAMP(tempTab[i*4+2] * bScale + bBias, 0.0F, 1.0F);
tableF[j*4+3] = CLAMP(tempTab[i*4+3] * aScale + aBias, 0.0F, 1.0F);
}
break;
default:
_mesa_problem(ctx, "Bad format in store_colortable_entries");
return;
}
}
else {
/* non-float (GLchan) */
const GLint comps = _mesa_components_in_format(table->Format);
GLchan *dest = (GLchan *) table->Table + start * comps;
_mesa_unpack_chan_color_span(ctx, count, /* number of entries */
table->Format, /* dest format */
dest, /* dest address */
format, type, data, /* src data */
&ctx->Unpack,
0); /* transfer ops */
}
}
void GLAPIENTRY
_mesa_ColorTable( GLenum target, GLenum internalFormat,
GLsizei width, GLenum format, GLenum type,
const GLvoid *data )
{
GET_CURRENT_CONTEXT(ctx);
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
struct gl_texture_object *texObj = NULL;
struct gl_color_table *table = NULL;
GLboolean proxy = GL_FALSE;
GLint baseFormat;
GLfloat rScale = 1.0, gScale = 1.0, bScale = 1.0, aScale = 1.0;
GLfloat rBias = 0.0, gBias = 0.0, bBias = 0.0, aBias = 0.0;
GLenum tableType = CHAN_TYPE;
GLint comps;
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); /* too complex */
switch (target) {
case GL_TEXTURE_1D:
texObj = texUnit->Current1D;
table = &texObj->Palette;
break;
case GL_TEXTURE_2D:
texObj = texUnit->Current2D;
table = &texObj->Palette;
break;
case GL_TEXTURE_3D:
texObj = texUnit->Current3D;
table = &texObj->Palette;
break;
case GL_TEXTURE_CUBE_MAP_ARB:
if (!ctx->Extensions.ARB_texture_cube_map) {
_mesa_error(ctx, GL_INVALID_ENUM, "glColorTable(target)");
return;
}
texObj = texUnit->CurrentCubeMap;
table = &texObj->Palette;
break;
case GL_PROXY_TEXTURE_1D:
texObj = ctx->Texture.Proxy1D;
table = &texObj->Palette;
proxy = GL_TRUE;
break;
case GL_PROXY_TEXTURE_2D:
texObj = ctx->Texture.Proxy2D;
table = &texObj->Palette;
proxy = GL_TRUE;
break;
case GL_PROXY_TEXTURE_3D:
texObj = ctx->Texture.Proxy3D;
table = &texObj->Palette;
proxy = GL_TRUE;
break;
case GL_PROXY_TEXTURE_CUBE_MAP_ARB:
if (!ctx->Extensions.ARB_texture_cube_map) {
_mesa_error(ctx, GL_INVALID_ENUM, "glColorTable(target)");
return;
}
texObj = ctx->Texture.ProxyCubeMap;
table = &texObj->Palette;
break;
case GL_SHARED_TEXTURE_PALETTE_EXT:
table = &ctx->Texture.Palette;
break;
case GL_COLOR_TABLE:
table = &ctx->ColorTable;
tableType = GL_FLOAT;
rScale = ctx->Pixel.ColorTableScale[0];
gScale = ctx->Pixel.ColorTableScale[1];
bScale = ctx->Pixel.ColorTableScale[2];
aScale = ctx->Pixel.ColorTableScale[3];
rBias = ctx->Pixel.ColorTableBias[0];
gBias = ctx->Pixel.ColorTableBias[1];
bBias = ctx->Pixel.ColorTableBias[2];
aBias = ctx->Pixel.ColorTableBias[3];
break;
case GL_PROXY_COLOR_TABLE:
table = &ctx->ProxyColorTable;
proxy = GL_TRUE;
break;
case GL_TEXTURE_COLOR_TABLE_SGI:
if (!ctx->Extensions.SGI_texture_color_table) {
_mesa_error(ctx, GL_INVALID_ENUM, "glColorTable(target)");
return;
}
table = &(texUnit->ColorTable);
tableType = GL_FLOAT;
rScale = ctx->Pixel.TextureColorTableScale[0];
gScale = ctx->Pixel.TextureColorTableScale[1];
bScale = ctx->Pixel.TextureColorTableScale[2];
aScale = ctx->Pixel.TextureColorTableScale[3];
rBias = ctx->Pixel.TextureColorTableBias[0];
gBias = ctx->Pixel.TextureColorTableBias[1];
bBias = ctx->Pixel.TextureColorTableBias[2];
aBias = ctx->Pixel.TextureColorTableBias[3];
break;
case GL_PROXY_TEXTURE_COLOR_TABLE_SGI:
if (!ctx->Extensions.SGI_texture_color_table) {
_mesa_error(ctx, GL_INVALID_ENUM, "glColorTable(target)");
return;
}
table = &(texUnit->ProxyColorTable);
proxy = GL_TRUE;
break;
case GL_POST_CONVOLUTION_COLOR_TABLE:
table = &ctx->PostConvolutionColorTable;
tableType = GL_FLOAT;
rScale = ctx->Pixel.PCCTscale[0];
gScale = ctx->Pixel.PCCTscale[1];
bScale = ctx->Pixel.PCCTscale[2];
aScale = ctx->Pixel.PCCTscale[3];
rBias = ctx->Pixel.PCCTbias[0];
gBias = ctx->Pixel.PCCTbias[1];
bBias = ctx->Pixel.PCCTbias[2];
aBias = ctx->Pixel.PCCTbias[3];
break;
case GL_PROXY_POST_CONVOLUTION_COLOR_TABLE:
table = &ctx->ProxyPostConvolutionColorTable;
proxy = GL_TRUE;
break;
case GL_POST_COLOR_MATRIX_COLOR_TABLE:
table = &ctx->PostColorMatrixColorTable;
tableType = GL_FLOAT;
rScale = ctx->Pixel.PCMCTscale[0];
gScale = ctx->Pixel.PCMCTscale[1];
bScale = ctx->Pixel.PCMCTscale[2];
aScale = ctx->Pixel.PCMCTscale[3];
rBias = ctx->Pixel.PCMCTbias[0];
gBias = ctx->Pixel.PCMCTbias[1];
bBias = ctx->Pixel.PCMCTbias[2];
aBias = ctx->Pixel.PCMCTbias[3];
break;
case GL_PROXY_POST_COLOR_MATRIX_COLOR_TABLE:
table = &ctx->ProxyPostColorMatrixColorTable;
proxy = GL_TRUE;
break;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glColorTable(target)");
return;
}
assert(table);
if (!_mesa_is_legal_format_and_type(format, type) ||
format == GL_INTENSITY) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glColorTable(format or type)");
return;
}
baseFormat = base_colortab_format(internalFormat);
if (baseFormat < 0 || baseFormat == GL_COLOR_INDEX) {
_mesa_error(ctx, GL_INVALID_ENUM, "glColorTable(internalFormat)");
return;
}
if (width < 0 || (width != 0 && _mesa_bitcount(width) != 1)) {
/* error */
if (proxy) {
table->Size = 0;
table->IntFormat = (GLenum) 0;
table->Format = (GLenum) 0;
}
else {
_mesa_error(ctx, GL_INVALID_VALUE, "glColorTable(width=%d)", width);
}
return;
}
if (width > (GLsizei) ctx->Const.MaxColorTableSize) {
if (proxy) {
table->Size = 0;
table->IntFormat = (GLenum) 0;
table->Format = (GLenum) 0;
}
else {
_mesa_error(ctx, GL_TABLE_TOO_LARGE, "glColorTable(width)");
}
return;
}
table->Size = width;
table->IntFormat = internalFormat;
table->Format = (GLenum) baseFormat;
set_component_sizes(table);
comps = _mesa_components_in_format(table->Format);
assert(comps > 0); /* error should have been caught sooner */
if (!proxy) {
/* free old table, if any */
if (table->Table) {
FREE(table->Table);
table->Table = NULL;
}
if (width > 0) {
if (tableType == GL_FLOAT) {
table->Type = GL_FLOAT;
table->Table = MALLOC(comps * width * sizeof(GLfloat));
}
else {
table->Type = CHAN_TYPE;
table->Table = MALLOC(comps * width * sizeof(GLchan));
}
if (!table->Table) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glColorTable");
return;
}
store_colortable_entries(ctx, table,
0, width, /* start, count */
format, type, data,
rScale, rBias,
gScale, gBias,
bScale, bBias,
aScale, aBias);
}
} /* proxy */
if (texObj || target == GL_SHARED_TEXTURE_PALETTE_EXT) {
/* texture object palette, texObj==NULL means the shared palette */
if (ctx->Driver.UpdateTexturePalette) {
(*ctx->Driver.UpdateTexturePalette)( ctx, texObj );
}
}
ctx->NewState |= _NEW_PIXEL;
}
void GLAPIENTRY
_mesa_ColorSubTable( GLenum target, GLsizei start,
GLsizei count, GLenum format, GLenum type,
const GLvoid *data )
{
GET_CURRENT_CONTEXT(ctx);
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
struct gl_texture_object *texObj = NULL;
struct gl_color_table *table = NULL;
GLfloat rScale = 1.0, gScale = 1.0, bScale = 1.0, aScale = 1.0;
GLfloat rBias = 0.0, gBias = 0.0, bBias = 0.0, aBias = 0.0;
GLint comps;
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
switch (target) {
case GL_TEXTURE_1D:
texObj = texUnit->Current1D;
table = &texObj->Palette;
break;
case GL_TEXTURE_2D:
texObj = texUnit->Current2D;
table = &texObj->Palette;
break;
case GL_TEXTURE_3D:
texObj = texUnit->Current3D;
table = &texObj->Palette;
break;
case GL_TEXTURE_CUBE_MAP_ARB:
if (!ctx->Extensions.ARB_texture_cube_map) {
_mesa_error(ctx, GL_INVALID_ENUM, "glColorSubTable(target)");
return;
}
texObj = texUnit->CurrentCubeMap;
table = &texObj->Palette;
break;
case GL_SHARED_TEXTURE_PALETTE_EXT:
table = &ctx->Texture.Palette;
break;
case GL_COLOR_TABLE:
table = &ctx->ColorTable;
rScale = ctx->Pixel.ColorTableScale[0];
gScale = ctx->Pixel.ColorTableScale[1];
bScale = ctx->Pixel.ColorTableScale[2];
aScale = ctx->Pixel.ColorTableScale[3];
rBias = ctx->Pixel.ColorTableBias[0];
gBias = ctx->Pixel.ColorTableBias[1];
bBias = ctx->Pixel.ColorTableBias[2];
aBias = ctx->Pixel.ColorTableBias[3];
break;
case GL_TEXTURE_COLOR_TABLE_SGI:
if (!ctx->Extensions.SGI_texture_color_table) {
_mesa_error(ctx, GL_INVALID_ENUM, "glColorSubTable(target)");
return;
}
table = &(texUnit->ColorTable);
rScale = ctx->Pixel.TextureColorTableScale[0];
gScale = ctx->Pixel.TextureColorTableScale[1];
bScale = ctx->Pixel.TextureColorTableScale[2];
aScale = ctx->Pixel.TextureColorTableScale[3];
rBias = ctx->Pixel.TextureColorTableBias[0];
gBias = ctx->Pixel.TextureColorTableBias[1];
bBias = ctx->Pixel.TextureColorTableBias[2];
aBias = ctx->Pixel.TextureColorTableBias[3];
break;
case GL_POST_CONVOLUTION_COLOR_TABLE:
table = &ctx->PostConvolutionColorTable;
rScale = ctx->Pixel.PCCTscale[0];
gScale = ctx->Pixel.PCCTscale[1];
bScale = ctx->Pixel.PCCTscale[2];
aScale = ctx->Pixel.PCCTscale[3];
rBias = ctx->Pixel.PCCTbias[0];
gBias = ctx->Pixel.PCCTbias[1];
bBias = ctx->Pixel.PCCTbias[2];
aBias = ctx->Pixel.PCCTbias[3];
break;
case GL_POST_COLOR_MATRIX_COLOR_TABLE:
table = &ctx->PostColorMatrixColorTable;
rScale = ctx->Pixel.PCMCTscale[0];
gScale = ctx->Pixel.PCMCTscale[1];
bScale = ctx->Pixel.PCMCTscale[2];
aScale = ctx->Pixel.PCMCTscale[3];
rBias = ctx->Pixel.PCMCTbias[0];
gBias = ctx->Pixel.PCMCTbias[1];
bBias = ctx->Pixel.PCMCTbias[2];
aBias = ctx->Pixel.PCMCTbias[3];
break;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glColorSubTable(target)");
return;
}
assert(table);
if (!_mesa_is_legal_format_and_type(format, type) ||
format == GL_INTENSITY) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glColorSubTable(format or type)");
return;
}
if (count < 1) {
_mesa_error(ctx, GL_INVALID_VALUE, "glColorSubTable(count)");
return;
}
comps = _mesa_components_in_format(table->Format);
assert(comps > 0); /* error should have been caught sooner */
if (start + count > (GLint) table->Size) {
_mesa_error(ctx, GL_INVALID_VALUE, "glColorSubTable(count)");
return;
}
if (!table->Table) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glColorSubTable");
return;
}
store_colortable_entries(ctx, table, start, count,
format, type, data,
rScale, rBias,
gScale, gBias,
bScale, bBias,
aScale, aBias);
if (texObj || target == GL_SHARED_TEXTURE_PALETTE_EXT) {
/* per-texture object palette */
if (ctx->Driver.UpdateTexturePalette) {
(*ctx->Driver.UpdateTexturePalette)( ctx, texObj );
}
}
ctx->NewState |= _NEW_PIXEL;
}
/* XXX not tested */
void GLAPIENTRY
_mesa_CopyColorTable(GLenum target, GLenum internalformat,
GLint x, GLint y, GLsizei width)
{
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
/* Select buffer to read from */
ctx->Driver.CopyColorTable( ctx, target, internalformat, x, y, width );
}
/* XXX not tested */
void GLAPIENTRY
_mesa_CopyColorSubTable(GLenum target, GLsizei start,
GLint x, GLint y, GLsizei width)
{
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
ctx->Driver.CopyColorSubTable( ctx, target, start, x, y, width );
}
void GLAPIENTRY
_mesa_GetColorTable( GLenum target, GLenum format,
GLenum type, GLvoid *data )
{
GET_CURRENT_CONTEXT(ctx);
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
struct gl_color_table *table = NULL;
GLchan rgba[MAX_COLOR_TABLE_SIZE][4];
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
if (ctx->NewState) {
_mesa_update_state(ctx);
}
switch (target) {
case GL_TEXTURE_1D:
table = &texUnit->Current1D->Palette;
break;
case GL_TEXTURE_2D:
table = &texUnit->Current2D->Palette;
break;
case GL_TEXTURE_3D:
table = &texUnit->Current3D->Palette;
break;
case GL_TEXTURE_CUBE_MAP_ARB:
if (!ctx->Extensions.ARB_texture_cube_map) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTable(target)");
return;
}
table = &texUnit->CurrentCubeMap->Palette;
break;
case GL_SHARED_TEXTURE_PALETTE_EXT:
table = &ctx->Texture.Palette;
break;
case GL_COLOR_TABLE:
table = &ctx->ColorTable;
break;
case GL_TEXTURE_COLOR_TABLE_SGI:
if (!ctx->Extensions.SGI_texture_color_table) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTable(target)");
return;
}
table = &(texUnit->ColorTable);
break;
case GL_POST_CONVOLUTION_COLOR_TABLE:
table = &ctx->PostConvolutionColorTable;
break;
case GL_POST_COLOR_MATRIX_COLOR_TABLE:
table = &ctx->PostColorMatrixColorTable;
break;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTable(target)");
return;
}
ASSERT(table);
switch (table->Format) {
case GL_ALPHA:
if (table->Type == GL_FLOAT) {
const GLfloat *tableF = (const GLfloat *) table->Table;
GLuint i;
for (i = 0; i < table->Size; i++) {
rgba[i][RCOMP] = 0;
rgba[i][GCOMP] = 0;
rgba[i][BCOMP] = 0;
rgba[i][ACOMP] = IROUND_POS(tableF[i] * CHAN_MAXF);
}
}
else {
const GLchan *tableUB = (const GLchan *) table->Table;
GLuint i;
for (i = 0; i < table->Size; i++) {
rgba[i][RCOMP] = 0;
rgba[i][GCOMP] = 0;
rgba[i][BCOMP] = 0;
rgba[i][ACOMP] = tableUB[i];
}
}
break;
case GL_LUMINANCE:
if (table->Type == GL_FLOAT) {
const GLfloat *tableF = (const GLfloat *) table->Table;
GLuint i;
for (i = 0; i < table->Size; i++) {
rgba[i][RCOMP] = IROUND_POS(tableF[i] * CHAN_MAXF);
rgba[i][GCOMP] = IROUND_POS(tableF[i] * CHAN_MAXF);
rgba[i][BCOMP] = IROUND_POS(tableF[i] * CHAN_MAXF);
rgba[i][ACOMP] = CHAN_MAX;
}
}
else {
const GLchan *tableUB = (const GLchan *) table->Table;
GLuint i;
for (i = 0; i < table->Size; i++) {
rgba[i][RCOMP] = tableUB[i];
rgba[i][GCOMP] = tableUB[i];
rgba[i][BCOMP] = tableUB[i];
rgba[i][ACOMP] = CHAN_MAX;
}
}
break;
case GL_LUMINANCE_ALPHA:
if (table->Type == GL_FLOAT) {
const GLfloat *tableF = (const GLfloat *) table->Table;
GLuint i;
for (i = 0; i < table->Size; i++) {
rgba[i][RCOMP] = IROUND_POS(tableF[i*2+0] * CHAN_MAXF);
rgba[i][GCOMP] = IROUND_POS(tableF[i*2+0] * CHAN_MAXF);
rgba[i][BCOMP] = IROUND_POS(tableF[i*2+0] * CHAN_MAXF);
rgba[i][ACOMP] = IROUND_POS(tableF[i*2+1] * CHAN_MAXF);
}
}
else {
const GLchan *tableUB = (const GLchan *) table->Table;
GLuint i;
for (i = 0; i < table->Size; i++) {
rgba[i][RCOMP] = tableUB[i*2+0];
rgba[i][GCOMP] = tableUB[i*2+0];
rgba[i][BCOMP] = tableUB[i*2+0];
rgba[i][ACOMP] = tableUB[i*2+1];
}
}
break;
case GL_INTENSITY:
if (table->Type == GL_FLOAT) {
const GLfloat *tableF = (const GLfloat *) table->Table;
GLuint i;
for (i = 0; i < table->Size; i++) {
rgba[i][RCOMP] = IROUND_POS(tableF[i] * CHAN_MAXF);
rgba[i][GCOMP] = IROUND_POS(tableF[i] * CHAN_MAXF);
rgba[i][BCOMP] = IROUND_POS(tableF[i] * CHAN_MAXF);
rgba[i][ACOMP] = IROUND_POS(tableF[i] * CHAN_MAXF);
}
}
else {
const GLchan *tableUB = (const GLchan *) table->Table;
GLuint i;
for (i = 0; i < table->Size; i++) {
rgba[i][RCOMP] = tableUB[i];
rgba[i][GCOMP] = tableUB[i];
rgba[i][BCOMP] = tableUB[i];
rgba[i][ACOMP] = tableUB[i];
}
}
break;
case GL_RGB:
if (table->Type == GL_FLOAT) {
const GLfloat *tableF = (const GLfloat *) table->Table;
GLuint i;
for (i = 0; i < table->Size; i++) {
rgba[i][RCOMP] = IROUND_POS(tableF[i*3+0] * CHAN_MAXF);
rgba[i][GCOMP] = IROUND_POS(tableF[i*3+1] * CHAN_MAXF);
rgba[i][BCOMP] = IROUND_POS(tableF[i*3+2] * CHAN_MAXF);
rgba[i][ACOMP] = CHAN_MAX;
}
}
else {
const GLchan *tableUB = (const GLchan *) table->Table;
GLuint i;
for (i = 0; i < table->Size; i++) {
rgba[i][RCOMP] = tableUB[i*3+0];
rgba[i][GCOMP] = tableUB[i*3+1];
rgba[i][BCOMP] = tableUB[i*3+2];
rgba[i][ACOMP] = CHAN_MAX;
}
}
break;
case GL_RGBA:
if (table->Type == GL_FLOAT) {
const GLfloat *tableF = (const GLfloat *) table->Table;
GLuint i;
for (i = 0; i < table->Size; i++) {
rgba[i][RCOMP] = IROUND_POS(tableF[i*4+0] * CHAN_MAXF);
rgba[i][GCOMP] = IROUND_POS(tableF[i*4+1] * CHAN_MAXF);
rgba[i][BCOMP] = IROUND_POS(tableF[i*4+2] * CHAN_MAXF);
rgba[i][ACOMP] = IROUND_POS(tableF[i*4+3] * CHAN_MAXF);
}
}
else {
const GLchan *tableUB = (const GLchan *) table->Table;
GLuint i;
for (i = 0; i < table->Size; i++) {
rgba[i][RCOMP] = tableUB[i*4+0];
rgba[i][GCOMP] = tableUB[i*4+1];
rgba[i][BCOMP] = tableUB[i*4+2];
rgba[i][ACOMP] = tableUB[i*4+3];
}
}
break;
default:
_mesa_problem(ctx, "bad table format in glGetColorTable");
return;
}
_mesa_pack_rgba_span(ctx, table->Size, (const GLchan (*)[4]) rgba,
format, type, data, &ctx->Pack, GL_FALSE);
}
void GLAPIENTRY
_mesa_ColorTableParameterfv(GLenum target, GLenum pname, const GLfloat *params)
{
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
switch (target) {
case GL_COLOR_TABLE_SGI:
if (pname == GL_COLOR_TABLE_SCALE_SGI) {
ctx->Pixel.ColorTableScale[0] = params[0];
ctx->Pixel.ColorTableScale[1] = params[1];
ctx->Pixel.ColorTableScale[2] = params[2];
ctx->Pixel.ColorTableScale[3] = params[3];
}
else if (pname == GL_COLOR_TABLE_BIAS_SGI) {
ctx->Pixel.ColorTableBias[0] = params[0];
ctx->Pixel.ColorTableBias[1] = params[1];
ctx->Pixel.ColorTableBias[2] = params[2];
ctx->Pixel.ColorTableBias[3] = params[3];
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glColorTableParameterfv(pname)");
return;
}
break;
case GL_TEXTURE_COLOR_TABLE_SGI:
if (!ctx->Extensions.SGI_texture_color_table) {
_mesa_error(ctx, GL_INVALID_ENUM, "glColorTableParameter(target)");
return;
}
if (pname == GL_COLOR_TABLE_SCALE_SGI) {
ctx->Pixel.TextureColorTableScale[0] = params[0];
ctx->Pixel.TextureColorTableScale[1] = params[1];
ctx->Pixel.TextureColorTableScale[2] = params[2];
ctx->Pixel.TextureColorTableScale[3] = params[3];
}
else if (pname == GL_COLOR_TABLE_BIAS_SGI) {
ctx->Pixel.TextureColorTableBias[0] = params[0];
ctx->Pixel.TextureColorTableBias[1] = params[1];
ctx->Pixel.TextureColorTableBias[2] = params[2];
ctx->Pixel.TextureColorTableBias[3] = params[3];
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glColorTableParameterfv(pname)");
return;
}
break;
case GL_POST_CONVOLUTION_COLOR_TABLE_SGI:
if (pname == GL_COLOR_TABLE_SCALE_SGI) {
ctx->Pixel.PCCTscale[0] = params[0];
ctx->Pixel.PCCTscale[1] = params[1];
ctx->Pixel.PCCTscale[2] = params[2];
ctx->Pixel.PCCTscale[3] = params[3];
}
else if (pname == GL_COLOR_TABLE_BIAS_SGI) {
ctx->Pixel.PCCTbias[0] = params[0];
ctx->Pixel.PCCTbias[1] = params[1];
ctx->Pixel.PCCTbias[2] = params[2];
ctx->Pixel.PCCTbias[3] = params[3];
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glColorTableParameterfv(pname)");
return;
}
break;
case GL_POST_COLOR_MATRIX_COLOR_TABLE_SGI:
if (pname == GL_COLOR_TABLE_SCALE_SGI) {
ctx->Pixel.PCMCTscale[0] = params[0];
ctx->Pixel.PCMCTscale[1] = params[1];
ctx->Pixel.PCMCTscale[2] = params[2];
ctx->Pixel.PCMCTscale[3] = params[3];
}
else if (pname == GL_COLOR_TABLE_BIAS_SGI) {
ctx->Pixel.PCMCTbias[0] = params[0];
ctx->Pixel.PCMCTbias[1] = params[1];
ctx->Pixel.PCMCTbias[2] = params[2];
ctx->Pixel.PCMCTbias[3] = params[3];
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glColorTableParameterfv(pname)");
return;
}
break;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glColorTableParameter(target)");
return;
}
ctx->NewState |= _NEW_PIXEL;
}
void GLAPIENTRY
_mesa_ColorTableParameteriv(GLenum target, GLenum pname, const GLint *params)
{
GLfloat fparams[4];
if (pname == GL_COLOR_TABLE_SGI ||
pname == GL_TEXTURE_COLOR_TABLE_SGI ||
pname == GL_POST_CONVOLUTION_COLOR_TABLE_SGI ||
pname == GL_POST_COLOR_MATRIX_COLOR_TABLE_SGI) {
/* four values */
fparams[0] = (GLfloat) params[0];
fparams[1] = (GLfloat) params[1];
fparams[2] = (GLfloat) params[2];
fparams[3] = (GLfloat) params[3];
}
else {
/* one values */
fparams[0] = (GLfloat) params[0];
}
_mesa_ColorTableParameterfv(target, pname, fparams);
}
void GLAPIENTRY
_mesa_GetColorTableParameterfv( GLenum target, GLenum pname, GLfloat *params )
{
GET_CURRENT_CONTEXT(ctx);
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
struct gl_color_table *table = NULL;
ASSERT_OUTSIDE_BEGIN_END(ctx);
switch (target) {
case GL_TEXTURE_1D:
table = &texUnit->Current1D->Palette;
break;
case GL_TEXTURE_2D:
table = &texUnit->Current2D->Palette;
break;
case GL_TEXTURE_3D:
table = &texUnit->Current3D->Palette;
break;
case GL_TEXTURE_CUBE_MAP_ARB:
if (!ctx->Extensions.ARB_texture_cube_map) {
_mesa_error(ctx, GL_INVALID_ENUM,
"glGetColorTableParameterfv(target)");
return;
}
table = &texUnit->CurrentCubeMap->Palette;
break;
case GL_PROXY_TEXTURE_1D:
table = &ctx->Texture.Proxy1D->Palette;
break;
case GL_PROXY_TEXTURE_2D:
table = &ctx->Texture.Proxy2D->Palette;
break;
case GL_PROXY_TEXTURE_3D:
table = &ctx->Texture.Proxy3D->Palette;
break;
case GL_PROXY_TEXTURE_CUBE_MAP_ARB:
if (!ctx->Extensions.ARB_texture_cube_map) {
_mesa_error(ctx, GL_INVALID_ENUM,
"glGetColorTableParameterfv(target)");
return;
}
table = &ctx->Texture.ProxyCubeMap->Palette;
break;
case GL_SHARED_TEXTURE_PALETTE_EXT:
table = &ctx->Texture.Palette;
break;
case GL_COLOR_TABLE:
table = &ctx->ColorTable;
if (pname == GL_COLOR_TABLE_SCALE_SGI) {
params[0] = ctx->Pixel.ColorTableScale[0];
params[1] = ctx->Pixel.ColorTableScale[1];
params[2] = ctx->Pixel.ColorTableScale[2];
params[3] = ctx->Pixel.ColorTableScale[3];
return;
}
else if (pname == GL_COLOR_TABLE_BIAS_SGI) {
params[0] = ctx->Pixel.ColorTableBias[0];
params[1] = ctx->Pixel.ColorTableBias[1];
params[2] = ctx->Pixel.ColorTableBias[2];
params[3] = ctx->Pixel.ColorTableBias[3];
return;
}
break;
case GL_PROXY_COLOR_TABLE:
table = &ctx->ProxyColorTable;
break;
case GL_TEXTURE_COLOR_TABLE_SGI:
if (!ctx->Extensions.SGI_texture_color_table) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTableParameter(target)");
return;
}
table = &(texUnit->ColorTable);
if (pname == GL_COLOR_TABLE_SCALE_SGI) {
params[0] = ctx->Pixel.TextureColorTableScale[0];
params[1] = ctx->Pixel.TextureColorTableScale[1];
params[2] = ctx->Pixel.TextureColorTableScale[2];
params[3] = ctx->Pixel.TextureColorTableScale[3];
return;
}
else if (pname == GL_COLOR_TABLE_BIAS_SGI) {
params[0] = ctx->Pixel.TextureColorTableBias[0];
params[1] = ctx->Pixel.TextureColorTableBias[1];
params[2] = ctx->Pixel.TextureColorTableBias[2];
params[3] = ctx->Pixel.TextureColorTableBias[3];
return;
}
break;
case GL_PROXY_TEXTURE_COLOR_TABLE_SGI:
if (!ctx->Extensions.SGI_texture_color_table) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTableParameter(target)");
return;
}
table = &(texUnit->ProxyColorTable);
break;
case GL_POST_CONVOLUTION_COLOR_TABLE:
table = &ctx->PostConvolutionColorTable;
if (pname == GL_COLOR_TABLE_SCALE_SGI) {
params[0] = ctx->Pixel.PCCTscale[0];
params[1] = ctx->Pixel.PCCTscale[1];
params[2] = ctx->Pixel.PCCTscale[2];
params[3] = ctx->Pixel.PCCTscale[3];
return;
}
else if (pname == GL_COLOR_TABLE_BIAS_SGI) {
params[0] = ctx->Pixel.PCCTbias[0];
params[1] = ctx->Pixel.PCCTbias[1];
params[2] = ctx->Pixel.PCCTbias[2];
params[3] = ctx->Pixel.PCCTbias[3];
return;
}
break;
case GL_PROXY_POST_CONVOLUTION_COLOR_TABLE:
table = &ctx->ProxyPostConvolutionColorTable;
break;
case GL_POST_COLOR_MATRIX_COLOR_TABLE:
table = &ctx->PostColorMatrixColorTable;
if (pname == GL_COLOR_TABLE_SCALE_SGI) {
params[0] = ctx->Pixel.PCMCTscale[0];
params[1] = ctx->Pixel.PCMCTscale[1];
params[2] = ctx->Pixel.PCMCTscale[2];
params[3] = ctx->Pixel.PCMCTscale[3];
return;
}
else if (pname == GL_COLOR_TABLE_BIAS_SGI) {
params[0] = ctx->Pixel.PCMCTbias[0];
params[1] = ctx->Pixel.PCMCTbias[1];
params[2] = ctx->Pixel.PCMCTbias[2];
params[3] = ctx->Pixel.PCMCTbias[3];
return;
}
break;
case GL_PROXY_POST_COLOR_MATRIX_COLOR_TABLE:
table = &ctx->ProxyPostColorMatrixColorTable;
break;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTableParameterfv(target)");
return;
}
assert(table);
switch (pname) {
case GL_COLOR_TABLE_FORMAT:
*params = (GLfloat) table->IntFormat;
break;
case GL_COLOR_TABLE_WIDTH:
*params = (GLfloat) table->Size;
break;
case GL_COLOR_TABLE_RED_SIZE:
*params = (GLfloat) table->RedSize;
break;
case GL_COLOR_TABLE_GREEN_SIZE:
*params = (GLfloat) table->GreenSize;
break;
case GL_COLOR_TABLE_BLUE_SIZE:
*params = (GLfloat) table->BlueSize;
break;
case GL_COLOR_TABLE_ALPHA_SIZE:
*params = (GLfloat) table->AlphaSize;
break;
case GL_COLOR_TABLE_LUMINANCE_SIZE:
*params = (GLfloat) table->LuminanceSize;
break;
case GL_COLOR_TABLE_INTENSITY_SIZE:
*params = (GLfloat) table->IntensitySize;
break;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTableParameterfv(pname)" );
return;
}
}
void GLAPIENTRY
_mesa_GetColorTableParameteriv( GLenum target, GLenum pname, GLint *params )
{
GET_CURRENT_CONTEXT(ctx);
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
struct gl_color_table *table = NULL;
ASSERT_OUTSIDE_BEGIN_END(ctx);
switch (target) {
case GL_TEXTURE_1D:
table = &texUnit->Current1D->Palette;
break;
case GL_TEXTURE_2D:
table = &texUnit->Current2D->Palette;
break;
case GL_TEXTURE_3D:
table = &texUnit->Current3D->Palette;
break;
case GL_TEXTURE_CUBE_MAP_ARB:
if (!ctx->Extensions.ARB_texture_cube_map) {
_mesa_error(ctx, GL_INVALID_ENUM,
"glGetColorTableParameteriv(target)");
return;
}
table = &texUnit->CurrentCubeMap->Palette;
break;
case GL_PROXY_TEXTURE_1D:
table = &ctx->Texture.Proxy1D->Palette;
break;
case GL_PROXY_TEXTURE_2D:
table = &ctx->Texture.Proxy2D->Palette;
break;
case GL_PROXY_TEXTURE_3D:
table = &ctx->Texture.Proxy3D->Palette;
break;
case GL_PROXY_TEXTURE_CUBE_MAP_ARB:
if (!ctx->Extensions.ARB_texture_cube_map) {
_mesa_error(ctx, GL_INVALID_ENUM,
"glGetColorTableParameteriv(target)");
return;
}
table = &ctx->Texture.ProxyCubeMap->Palette;
break;
case GL_SHARED_TEXTURE_PALETTE_EXT:
table = &ctx->Texture.Palette;
break;
case GL_COLOR_TABLE:
table = &ctx->ColorTable;
if (pname == GL_COLOR_TABLE_SCALE_SGI) {
params[0] = (GLint) ctx->Pixel.ColorTableScale[0];
params[1] = (GLint) ctx->Pixel.ColorTableScale[1];
params[2] = (GLint) ctx->Pixel.ColorTableScale[2];
params[3] = (GLint) ctx->Pixel.ColorTableScale[3];
return;
}
else if (pname == GL_COLOR_TABLE_BIAS_SGI) {
params[0] = (GLint) ctx->Pixel.ColorTableBias[0];
params[1] = (GLint) ctx->Pixel.ColorTableBias[1];
params[2] = (GLint) ctx->Pixel.ColorTableBias[2];
params[3] = (GLint) ctx->Pixel.ColorTableBias[3];
return;
}
break;
case GL_PROXY_COLOR_TABLE:
table = &ctx->ProxyColorTable;
break;
case GL_TEXTURE_COLOR_TABLE_SGI:
if (!ctx->Extensions.SGI_texture_color_table) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTableParameter(target)");
return;
}
table = &(texUnit->ColorTable);
if (pname == GL_COLOR_TABLE_SCALE_SGI) {
params[0] = (GLint) ctx->Pixel.TextureColorTableScale[0];
params[1] = (GLint) ctx->Pixel.TextureColorTableScale[1];
params[2] = (GLint) ctx->Pixel.TextureColorTableScale[2];
params[3] = (GLint) ctx->Pixel.TextureColorTableScale[3];
return;
}
else if (pname == GL_COLOR_TABLE_BIAS_SGI) {
params[0] = (GLint) ctx->Pixel.TextureColorTableBias[0];
params[1] = (GLint) ctx->Pixel.TextureColorTableBias[1];
params[2] = (GLint) ctx->Pixel.TextureColorTableBias[2];
params[3] = (GLint) ctx->Pixel.TextureColorTableBias[3];
return;
}
break;
case GL_PROXY_TEXTURE_COLOR_TABLE_SGI:
if (!ctx->Extensions.SGI_texture_color_table) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTableParameter(target)");
return;
}
table = &(texUnit->ProxyColorTable);
break;
case GL_POST_CONVOLUTION_COLOR_TABLE:
table = &ctx->PostConvolutionColorTable;
if (pname == GL_COLOR_TABLE_SCALE_SGI) {
params[0] = (GLint) ctx->Pixel.PCCTscale[0];
params[1] = (GLint) ctx->Pixel.PCCTscale[1];
params[2] = (GLint) ctx->Pixel.PCCTscale[2];
params[3] = (GLint) ctx->Pixel.PCCTscale[3];
return;
}
else if (pname == GL_COLOR_TABLE_BIAS_SGI) {
params[0] = (GLint) ctx->Pixel.PCCTbias[0];
params[1] = (GLint) ctx->Pixel.PCCTbias[1];
params[2] = (GLint) ctx->Pixel.PCCTbias[2];
params[3] = (GLint) ctx->Pixel.PCCTbias[3];
return;
}
break;
case GL_PROXY_POST_CONVOLUTION_COLOR_TABLE:
table = &ctx->ProxyPostConvolutionColorTable;
break;
case GL_POST_COLOR_MATRIX_COLOR_TABLE:
table = &ctx->PostColorMatrixColorTable;
if (pname == GL_COLOR_TABLE_SCALE_SGI) {
params[0] = (GLint) ctx->Pixel.PCMCTscale[0];
params[1] = (GLint) ctx->Pixel.PCMCTscale[1];
params[2] = (GLint) ctx->Pixel.PCMCTscale[2];
params[3] = (GLint) ctx->Pixel.PCMCTscale[3];
return;
}
else if (pname == GL_COLOR_TABLE_BIAS_SGI) {
params[0] = (GLint) ctx->Pixel.PCMCTbias[0];
params[1] = (GLint) ctx->Pixel.PCMCTbias[1];
params[2] = (GLint) ctx->Pixel.PCMCTbias[2];
params[3] = (GLint) ctx->Pixel.PCMCTbias[3];
return;
}
break;
case GL_PROXY_POST_COLOR_MATRIX_COLOR_TABLE:
table = &ctx->ProxyPostColorMatrixColorTable;
break;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTableParameteriv(target)");
return;
}
assert(table);
switch (pname) {
case GL_COLOR_TABLE_FORMAT:
*params = table->IntFormat;
break;
case GL_COLOR_TABLE_WIDTH:
*params = table->Size;
break;
case GL_COLOR_TABLE_RED_SIZE:
*params = table->RedSize;
break;
case GL_COLOR_TABLE_GREEN_SIZE:
*params = table->GreenSize;
break;
case GL_COLOR_TABLE_BLUE_SIZE:
*params = table->BlueSize;
break;
case GL_COLOR_TABLE_ALPHA_SIZE:
*params = table->AlphaSize;
break;
case GL_COLOR_TABLE_LUMINANCE_SIZE:
*params = table->LuminanceSize;
break;
case GL_COLOR_TABLE_INTENSITY_SIZE:
*params = table->IntensitySize;
break;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTableParameteriv(pname)" );
return;
}
}
/**********************************************************************/
/***** Initialization *****/
/**********************************************************************/
void
_mesa_init_colortable( struct gl_color_table *p )
{
p->Type = CHAN_TYPE;
p->Table = NULL;
p->Size = 0;
p->IntFormat = GL_RGBA;
}
void
_mesa_free_colortable_data( struct gl_color_table *p )
{
if (p->Table) {
FREE(p->Table);
p->Table = NULL;
}
}
/*
* Initialize all colortables for a context.
*/
void _mesa_init_colortables( GLcontext * ctx )
{
/* Color tables */
_mesa_init_colortable(&ctx->ColorTable);
_mesa_init_colortable(&ctx->ProxyColorTable);
_mesa_init_colortable(&ctx->PostConvolutionColorTable);
_mesa_init_colortable(&ctx->ProxyPostConvolutionColorTable);
_mesa_init_colortable(&ctx->PostColorMatrixColorTable);
_mesa_init_colortable(&ctx->ProxyPostColorMatrixColorTable);
}
/*
* Free all colortable data for a context
*/
void _mesa_free_colortables_data( GLcontext *ctx )
{
_mesa_free_colortable_data(&ctx->ColorTable);
_mesa_free_colortable_data(&ctx->ProxyColorTable);
_mesa_free_colortable_data(&ctx->PostConvolutionColorTable);
_mesa_free_colortable_data(&ctx->ProxyPostConvolutionColorTable);
_mesa_free_colortable_data(&ctx->PostColorMatrixColorTable);
_mesa_free_colortable_data(&ctx->ProxyPostColorMatrixColorTable);
}
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