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gem5 / public / gem5-resources / 8ccd059d5dcaaeffe15cd93c17f1e76e92907662 / . / src / parsec / disk-image / parsec / parsec-benchmark / pkgs / libs / mesa / src / src / mesa / main / colortab.c
blob: 97120398f9b616453b485e40b32d20c7c4ee127f [file] [log] [blame]
/*
* Mesa 3-D graphics library
* Version: 7.1
*
* 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"),
* 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 "bufferobj.h"
#include "colortab.h"
#include "context.h"
#include "image.h"
#include "macros.h"
#include "state.h"
#include "teximage.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 )
{
/* assuming the ubyte table */
const GLubyte sz = 8;
switch (table->_BaseFormat) {
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 (ctx->Unpack.BufferObj->Name) {
/* Get/unpack the color table data from a PBO */
GLubyte *buf;
if (!_mesa_validate_pbo_access(1, &ctx->Unpack, count, 1, 1,
format, type, data)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glColor[Sub]Table(bad PBO access)");
return;
}
buf = (GLubyte *) ctx->Driver.MapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT,
GL_READ_ONLY_ARB,
ctx->Unpack.BufferObj);
if (!buf) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glColor[Sub]Table(PBO mapped)");
return;
}
data = ADD_POINTERS(buf, data);
}
{
/* convert user-provided data to GLfloat values */
GLfloat tempTab[MAX_COLOR_TABLE_SIZE * 4];
GLfloat *tableF;
GLint i;
_mesa_unpack_color_span_float(ctx,
count, /* number of pixels */
table->_BaseFormat, /* dest format */
tempTab, /* dest address */
format, type, /* src format/type */
data, /* src data */
&ctx->Unpack,
IMAGE_CLAMP_BIT); /* transfer ops */
/* the destination */
tableF = table->TableF;
/* Apply scale & bias & clamp now */
switch (table->_BaseFormat) {
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;
}
}
/* update the ubyte table */
{
const GLint comps = _mesa_components_in_format(table->_BaseFormat);
const GLfloat *tableF = table->TableF + start * comps;
GLubyte *tableUB = table->TableUB + start * comps;
GLint i;
for (i = 0; i < count * comps; i++) {
CLAMPED_FLOAT_TO_UBYTE(tableUB[i], tableF[i]);
}
}
if (ctx->Unpack.BufferObj->Name) {
ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT,
ctx->Unpack.BufferObj);
}
}
void GLAPIENTRY
_mesa_ColorTable( GLenum target, GLenum internalFormat,
GLsizei width, GLenum format, GLenum type,
const GLvoid *data )
{
static const GLfloat one[4] = { 1.0, 1.0, 1.0, 1.0 };
static const GLfloat zero[4] = { 0.0, 0.0, 0.0, 0.0 };
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;
const GLfloat *scale = one, *bias = zero;
GLint comps;
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); /* too complex */
switch (target) {
case GL_SHARED_TEXTURE_PALETTE_EXT:
table = &ctx->Texture.Palette;
break;
case GL_COLOR_TABLE:
table = &ctx->ColorTable[COLORTABLE_PRECONVOLUTION];
scale = ctx->Pixel.ColorTableScale[COLORTABLE_PRECONVOLUTION];
bias = ctx->Pixel.ColorTableBias[COLORTABLE_PRECONVOLUTION];
break;
case GL_PROXY_COLOR_TABLE:
table = &ctx->ProxyColorTable[COLORTABLE_PRECONVOLUTION];
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);
scale = ctx->Pixel.TextureColorTableScale;
bias = ctx->Pixel.TextureColorTableBias;
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->ColorTable[COLORTABLE_POSTCONVOLUTION];
scale = ctx->Pixel.ColorTableScale[COLORTABLE_POSTCONVOLUTION];
bias = ctx->Pixel.ColorTableBias[COLORTABLE_POSTCONVOLUTION];
break;
case GL_PROXY_POST_CONVOLUTION_COLOR_TABLE:
table = &ctx->ProxyColorTable[COLORTABLE_POSTCONVOLUTION];
proxy = GL_TRUE;
break;
case GL_POST_COLOR_MATRIX_COLOR_TABLE:
table = &ctx->ColorTable[COLORTABLE_POSTCOLORMATRIX];
scale = ctx->Pixel.ColorTableScale[COLORTABLE_POSTCOLORMATRIX];
bias = ctx->Pixel.ColorTableBias[COLORTABLE_POSTCOLORMATRIX];
break;
case GL_PROXY_POST_COLOR_MATRIX_COLOR_TABLE:
table = &ctx->ProxyColorTable[COLORTABLE_POSTCOLORMATRIX];
proxy = GL_TRUE;
break;
default:
/* try texture targets */
{
struct gl_texture_object *texobj
= _mesa_select_tex_object(ctx, texUnit, target);
if (texobj) {
table = &texobj->Palette;
proxy = _mesa_is_proxy_texture(target);
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glColorTable(target)");
return;
}
}
}
assert(table);
if (!_mesa_is_legal_format_and_type(ctx, format, type) ||
format == GL_INTENSITY) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glColorTable(format or type)");
return;
}
baseFormat = base_colortab_format(internalFormat);
if (baseFormat < 0) {
_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->InternalFormat = (GLenum) 0;
table->_BaseFormat = (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->InternalFormat = (GLenum) 0;
table->_BaseFormat = (GLenum) 0;
}
else {
_mesa_error(ctx, GL_TABLE_TOO_LARGE, "glColorTable(width)");
}
return;
}
table->Size = width;
table->InternalFormat = internalFormat;
table->_BaseFormat = (GLenum) baseFormat;
comps = _mesa_components_in_format(table->_BaseFormat);
assert(comps > 0); /* error should have been caught sooner */
if (!proxy) {
_mesa_free_colortable_data(table);
if (width > 0) {
table->TableF = (GLfloat *) _mesa_malloc(comps * width * sizeof(GLfloat));
table->TableUB = (GLubyte *) _mesa_malloc(comps * width * sizeof(GLubyte));
if (!table->TableF || !table->TableUB) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glColorTable");
return;
}
store_colortable_entries(ctx, table,
0, width, /* start, count */
format, type, data,
scale[0], bias[0],
scale[1], bias[1],
scale[2], bias[2],
scale[3], bias[3]);
}
} /* proxy */
/* do this after the table's Type and Format are set */
set_component_sizes(table);
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 )
{
static const GLfloat one[4] = { 1.0, 1.0, 1.0, 1.0 };
static const GLfloat zero[4] = { 0.0, 0.0, 0.0, 0.0 };
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;
const GLfloat *scale = one, *bias = zero;
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
switch (target) {
case GL_SHARED_TEXTURE_PALETTE_EXT:
table = &ctx->Texture.Palette;
break;
case GL_COLOR_TABLE:
table = &ctx->ColorTable[COLORTABLE_PRECONVOLUTION];
scale = ctx->Pixel.ColorTableScale[COLORTABLE_PRECONVOLUTION];
bias = ctx->Pixel.ColorTableBias[COLORTABLE_PRECONVOLUTION];
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);
scale = ctx->Pixel.TextureColorTableScale;
bias = ctx->Pixel.TextureColorTableBias;
break;
case GL_POST_CONVOLUTION_COLOR_TABLE:
table = &ctx->ColorTable[COLORTABLE_POSTCONVOLUTION];
scale = ctx->Pixel.ColorTableScale[COLORTABLE_POSTCONVOLUTION];
bias = ctx->Pixel.ColorTableBias[COLORTABLE_POSTCONVOLUTION];
break;
case GL_POST_COLOR_MATRIX_COLOR_TABLE:
table = &ctx->ColorTable[COLORTABLE_POSTCOLORMATRIX];
scale = ctx->Pixel.ColorTableScale[COLORTABLE_POSTCOLORMATRIX];
bias = ctx->Pixel.ColorTableBias[COLORTABLE_POSTCOLORMATRIX];
break;
default:
/* try texture targets */
texObj = _mesa_select_tex_object(ctx, texUnit, target);
if (texObj && !_mesa_is_proxy_texture(target)) {
table = &texObj->Palette;
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glColorSubTable(target)");
return;
}
}
assert(table);
if (!_mesa_is_legal_format_and_type(ctx, 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;
}
/* error should have been caught sooner */
assert(_mesa_components_in_format(table->_BaseFormat) > 0);
if (start + count > (GLint) table->Size) {
_mesa_error(ctx, GL_INVALID_VALUE, "glColorSubTable(count)");
return;
}
if (!table->TableF || !table->TableUB) {
/* a GL_OUT_OF_MEMORY error would have been recorded previously */
return;
}
store_colortable_entries(ctx, table, start, count,
format, type, data,
scale[0], bias[0],
scale[1], bias[1],
scale[2], bias[2],
scale[3], bias[3]);
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;
}
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 );
}
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;
GLfloat rgba[MAX_COLOR_TABLE_SIZE][4];
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
if (ctx->NewState) {
_mesa_update_state(ctx);
}
switch (target) {
case GL_SHARED_TEXTURE_PALETTE_EXT:
table = &ctx->Texture.Palette;
break;
case GL_COLOR_TABLE:
table = &ctx->ColorTable[COLORTABLE_PRECONVOLUTION];
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->ColorTable[COLORTABLE_POSTCONVOLUTION];
break;
case GL_POST_COLOR_MATRIX_COLOR_TABLE:
table = &ctx->ColorTable[COLORTABLE_POSTCOLORMATRIX];
break;
default:
/* try texture targets */
{
struct gl_texture_object *texobj
= _mesa_select_tex_object(ctx, texUnit, target);
if (texobj && !_mesa_is_proxy_texture(target)) {
table = &texobj->Palette;
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTable(target)");
return;
}
}
}
ASSERT(table);
if (table->Size <= 0) {
return;
}
switch (table->_BaseFormat) {
case GL_ALPHA:
{
GLuint i;
for (i = 0; i < table->Size; i++) {
rgba[i][RCOMP] = 0;
rgba[i][GCOMP] = 0;
rgba[i][BCOMP] = 0;
rgba[i][ACOMP] = table->TableF[i];
}
}
break;
case GL_LUMINANCE:
{
GLuint i;
for (i = 0; i < table->Size; i++) {
rgba[i][RCOMP] =
rgba[i][GCOMP] =
rgba[i][BCOMP] = table->TableF[i];
rgba[i][ACOMP] = 1.0F;
}
}
break;
case GL_LUMINANCE_ALPHA:
{
GLuint i;
for (i = 0; i < table->Size; i++) {
rgba[i][RCOMP] =
rgba[i][GCOMP] =
rgba[i][BCOMP] = table->TableF[i*2+0];
rgba[i][ACOMP] = table->TableF[i*2+1];
}
}
break;
case GL_INTENSITY:
{
GLuint i;
for (i = 0; i < table->Size; i++) {
rgba[i][RCOMP] =
rgba[i][GCOMP] =
rgba[i][BCOMP] =
rgba[i][ACOMP] = table->TableF[i];
}
}
break;
case GL_RGB:
{
GLuint i;
for (i = 0; i < table->Size; i++) {
rgba[i][RCOMP] = table->TableF[i*3+0];
rgba[i][GCOMP] = table->TableF[i*3+1];
rgba[i][BCOMP] = table->TableF[i*3+2];
rgba[i][ACOMP] = 1.0F;
}
}
break;
case GL_RGBA:
_mesa_memcpy(rgba, table->TableF, 4 * table->Size * sizeof(GLfloat));
break;
default:
_mesa_problem(ctx, "bad table format in glGetColorTable");
return;
}
if (ctx->Pack.BufferObj->Name) {
/* pack color table into PBO */
GLubyte *buf;
if (!_mesa_validate_pbo_access(1, &ctx->Pack, table->Size, 1, 1,
format, type, data)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGetColorTable(invalid PBO access)");
return;
}
buf = (GLubyte *) ctx->Driver.MapBuffer(ctx, GL_PIXEL_PACK_BUFFER_EXT,
GL_WRITE_ONLY_ARB,
ctx->Pack.BufferObj);
if (!buf) {
/* buffer is already mapped - that's an error */
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGetColorTable(PBO is mapped)");
return;
}
data = ADD_POINTERS(buf, data);
}
_mesa_pack_rgba_span_float(ctx, table->Size, rgba,
format, type, data, &ctx->Pack, 0x0);
if (ctx->Pack.BufferObj->Name) {
ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_PACK_BUFFER_EXT,
ctx->Pack.BufferObj);
}
}
void GLAPIENTRY
_mesa_ColorTableParameterfv(GLenum target, GLenum pname, const GLfloat *params)
{
GLfloat *scale, *bias;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
switch (target) {
case GL_COLOR_TABLE_SGI:
scale = ctx->Pixel.ColorTableScale[COLORTABLE_PRECONVOLUTION];
bias = ctx->Pixel.ColorTableBias[COLORTABLE_PRECONVOLUTION];
break;
case GL_TEXTURE_COLOR_TABLE_SGI:
scale = ctx->Pixel.TextureColorTableScale;
bias = ctx->Pixel.TextureColorTableBias;
break;
case GL_POST_CONVOLUTION_COLOR_TABLE_SGI:
scale = ctx->Pixel.ColorTableScale[COLORTABLE_POSTCONVOLUTION];
bias = ctx->Pixel.ColorTableBias[COLORTABLE_POSTCONVOLUTION];
break;
case GL_POST_COLOR_MATRIX_COLOR_TABLE_SGI:
scale = ctx->Pixel.ColorTableScale[COLORTABLE_POSTCOLORMATRIX];
bias = ctx->Pixel.ColorTableBias[COLORTABLE_POSTCOLORMATRIX];
break;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glColorTableParameter(target)");
return;
}
if (pname == GL_COLOR_TABLE_SCALE_SGI) {
COPY_4V(scale, params);
}
else if (pname == GL_COLOR_TABLE_BIAS_SGI) {
COPY_4V(bias, params);
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glColorTableParameterfv(pname)");
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_SHARED_TEXTURE_PALETTE_EXT:
table = &ctx->Texture.Palette;
break;
case GL_COLOR_TABLE:
table = &ctx->ColorTable[COLORTABLE_PRECONVOLUTION];
if (pname == GL_COLOR_TABLE_SCALE_SGI) {
COPY_4V(params, ctx->Pixel.ColorTableScale[COLORTABLE_PRECONVOLUTION]);
return;
}
else if (pname == GL_COLOR_TABLE_BIAS_SGI) {
COPY_4V(params, ctx->Pixel.ColorTableBias[COLORTABLE_PRECONVOLUTION]);
return;
}
break;
case GL_PROXY_COLOR_TABLE:
table = &ctx->ProxyColorTable[COLORTABLE_PRECONVOLUTION];
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) {
COPY_4V(params, ctx->Pixel.TextureColorTableScale);
return;
}
else if (pname == GL_COLOR_TABLE_BIAS_SGI) {
COPY_4V(params, ctx->Pixel.TextureColorTableBias);
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->ColorTable[COLORTABLE_POSTCONVOLUTION];
if (pname == GL_COLOR_TABLE_SCALE_SGI) {
COPY_4V(params, ctx->Pixel.ColorTableScale[COLORTABLE_POSTCONVOLUTION]);
return;
}
else if (pname == GL_COLOR_TABLE_BIAS_SGI) {
COPY_4V(params, ctx->Pixel.ColorTableBias[COLORTABLE_POSTCONVOLUTION]);
return;
}
break;
case GL_PROXY_POST_CONVOLUTION_COLOR_TABLE:
table = &ctx->ProxyColorTable[COLORTABLE_POSTCONVOLUTION];
break;
case GL_POST_COLOR_MATRIX_COLOR_TABLE:
table = &ctx->ColorTable[COLORTABLE_POSTCOLORMATRIX];
if (pname == GL_COLOR_TABLE_SCALE_SGI) {
COPY_4V(params, ctx->Pixel.ColorTableScale[COLORTABLE_POSTCOLORMATRIX]);
return;
}
else if (pname == GL_COLOR_TABLE_BIAS_SGI) {
COPY_4V(params, ctx->Pixel.ColorTableBias[COLORTABLE_POSTCOLORMATRIX]);
return;
}
break;
case GL_PROXY_POST_COLOR_MATRIX_COLOR_TABLE:
table = &ctx->ProxyColorTable[COLORTABLE_POSTCOLORMATRIX];
break;
default:
/* try texture targets */
{
struct gl_texture_object *texobj
= _mesa_select_tex_object(ctx, texUnit, target);
if (texobj) {
table = &texobj->Palette;
}
else {
_mesa_error(ctx, GL_INVALID_ENUM,
"glGetColorTableParameterfv(target)");
return;
}
}
}
assert(table);
switch (pname) {
case GL_COLOR_TABLE_FORMAT:
*params = (GLfloat) table->InternalFormat;
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_SHARED_TEXTURE_PALETTE_EXT:
table = &ctx->Texture.Palette;
break;
case GL_COLOR_TABLE:
table = &ctx->ColorTable[COLORTABLE_PRECONVOLUTION];
if (pname == GL_COLOR_TABLE_SCALE_SGI) {
GLfloat *scale = ctx->Pixel.ColorTableScale[COLORTABLE_PRECONVOLUTION];
params[0] = (GLint) scale[0];
params[1] = (GLint) scale[1];
params[2] = (GLint) scale[2];
params[3] = (GLint) scale[3];
return;
}
else if (pname == GL_COLOR_TABLE_BIAS_SGI) {
GLfloat *bias = ctx->Pixel.ColorTableBias[COLORTABLE_PRECONVOLUTION];
params[0] = (GLint) bias[0];
params[1] = (GLint) bias[1];
params[2] = (GLint) bias[2];
params[3] = (GLint) bias[3];
return;
}
break;
case GL_PROXY_COLOR_TABLE:
table = &ctx->ProxyColorTable[COLORTABLE_PRECONVOLUTION];
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->ColorTable[COLORTABLE_POSTCONVOLUTION];
if (pname == GL_COLOR_TABLE_SCALE_SGI) {
GLfloat *scale = ctx->Pixel.ColorTableScale[COLORTABLE_POSTCONVOLUTION];
params[0] = (GLint) scale[0];
params[1] = (GLint) scale[1];
params[2] = (GLint) scale[2];
params[3] = (GLint) scale[3];
return;
}
else if (pname == GL_COLOR_TABLE_BIAS_SGI) {
GLfloat *bias = ctx->Pixel.ColorTableBias[COLORTABLE_POSTCONVOLUTION];
params[0] = (GLint) bias[0];
params[1] = (GLint) bias[1];
params[2] = (GLint) bias[2];
params[3] = (GLint) bias[3];
return;
}
break;
case GL_PROXY_POST_CONVOLUTION_COLOR_TABLE:
table = &ctx->ProxyColorTable[COLORTABLE_POSTCONVOLUTION];
break;
case GL_POST_COLOR_MATRIX_COLOR_TABLE:
table = &ctx->ColorTable[COLORTABLE_POSTCOLORMATRIX];
if (pname == GL_COLOR_TABLE_SCALE_SGI) {
GLfloat *scale = ctx->Pixel.ColorTableScale[COLORTABLE_POSTCOLORMATRIX];
params[0] = (GLint) scale[0];
params[0] = (GLint) scale[1];
params[0] = (GLint) scale[2];
params[0] = (GLint) scale[3];
return;
}
else if (pname == GL_COLOR_TABLE_BIAS_SGI) {
GLfloat *bias = ctx->Pixel.ColorTableScale[COLORTABLE_POSTCOLORMATRIX];
params[0] = (GLint) bias[0];
params[1] = (GLint) bias[1];
params[2] = (GLint) bias[2];
params[3] = (GLint) bias[3];
return;
}
break;
case GL_PROXY_POST_COLOR_MATRIX_COLOR_TABLE:
table = &ctx->ProxyColorTable[COLORTABLE_POSTCOLORMATRIX];
break;
default:
/* Try texture targets */
{
struct gl_texture_object *texobj
= _mesa_select_tex_object(ctx, texUnit, target);
if (texobj) {
table = &texobj->Palette;
}
else {
_mesa_error(ctx, GL_INVALID_ENUM,
"glGetColorTableParameteriv(target)");
return;
}
}
}
assert(table);
switch (pname) {
case GL_COLOR_TABLE_FORMAT:
*params = table->InternalFormat;
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->TableF = NULL;
p->TableUB = NULL;
p->Size = 0;
p->InternalFormat = GL_RGBA;
}
void
_mesa_free_colortable_data( struct gl_color_table *p )
{
if (p->TableF) {
_mesa_free(p->TableF);
p->TableF = NULL;
}
if (p->TableUB) {
_mesa_free(p->TableUB);
p->TableUB = NULL;
}
}
/*
* Initialize all colortables for a context.
*/
void
_mesa_init_colortables( GLcontext * ctx )
{
GLuint i;
for (i = 0; i < COLORTABLE_MAX; i++) {
_mesa_init_colortable(&ctx->ColorTable[i]);
_mesa_init_colortable(&ctx->ProxyColorTable[i]);
}
}
/*
* Free all colortable data for a context
*/
void
_mesa_free_colortables_data( GLcontext *ctx )
{
GLuint i;
for (i = 0; i < COLORTABLE_MAX; i++) {
_mesa_free_colortable_data(&ctx->ColorTable[i]);
_mesa_free_colortable_data(&ctx->ProxyColorTable[i]);
}
}