-/* $Id: colortab.c,v 1.33 2000/12/26 05:09:27 keithw Exp $ */
-
/*
* Mesa 3-D graphics library
- * Version: 3.5
- *
- * Copyright (C) 1999-2000 Brian Paul All Rights Reserved.
- *
+ * 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
*/
-#ifdef PC_HEADER
-#include "all.h"
-#else
#include "glheader.h"
+#include "bufferobj.h"
#include "colortab.h"
#include "context.h"
#include "image.h"
#include "macros.h"
-#include "mem.h"
-#include "mmath.h"
#include "state.h"
-#include "swrast/s_span.h" /* XXX SWRAST hack */
-#endif
-
+#include "teximage.h"
-/*
+/**
* Given an internalFormat token passed to glColorTable,
* return the corresponding base format.
* Return -1 if invalid token.
}
-void
-_mesa_init_colortable( struct gl_color_table *p )
-{
- p->FloatTable = GL_FALSE;
- /* allocate a width=1 table by default */
- p->Table = CALLOC(4 * sizeof(GLchan));
- if (p->Table) {
- GLchan *t = (GLchan *) p->Table;
- t[0] = CHAN_MAX;
- t[1] = CHAN_MAX;
- t[2] = CHAN_MAX;
- t[3] = CHAN_MAX;
- }
- p->Size = 0;
- p->IntFormat = GL_RGBA;
- p->Format = GL_RGBA;
- p->RedSize = CHAN_BITS;
- p->GreenSize = CHAN_BITS;
- p->BlueSize = CHAN_BITS;
- p->AlphaSize = CHAN_BITS;
- p->IntensitySize = 0;
- p->LuminanceSize = 0;
-}
-
-
-
-void
-_mesa_free_colortable_data( struct gl_color_table *p )
-{
- if (p->Table) {
- FREE(p->Table);
- p->Table = NULL;
- }
-}
-
-/*
+/**
* Examine table's format and set the component sizes accordingly.
*/
static void
set_component_sizes( struct gl_color_table *table )
{
- switch (table->Format) {
+ /* 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 = CHAN_BITS;
+ table->AlphaSize = sz;
table->IntensitySize = 0;
table->LuminanceSize = 0;
break;
table->BlueSize = 0;
table->AlphaSize = 0;
table->IntensitySize = 0;
- table->LuminanceSize = CHAN_BITS;
+ table->LuminanceSize = sz;
break;
case GL_LUMINANCE_ALPHA:
table->RedSize = 0;
table->GreenSize = 0;
table->BlueSize = 0;
- table->AlphaSize = CHAN_BITS;
+ table->AlphaSize = sz;
table->IntensitySize = 0;
- table->LuminanceSize = CHAN_BITS;
+ table->LuminanceSize = sz;
break;
case GL_INTENSITY:
table->RedSize = 0;
table->GreenSize = 0;
table->BlueSize = 0;
table->AlphaSize = 0;
- table->IntensitySize = CHAN_BITS;
+ table->IntensitySize = sz;
table->LuminanceSize = 0;
break;
case GL_RGB:
- table->RedSize = CHAN_BITS;
- table->GreenSize = CHAN_BITS;
- table->BlueSize = CHAN_BITS;
+ table->RedSize = sz;
+ table->GreenSize = sz;
+ table->BlueSize = sz;
table->AlphaSize = 0;
table->IntensitySize = 0;
table->LuminanceSize = 0;
break;
case GL_RGBA:
- table->RedSize = CHAN_BITS;
- table->GreenSize = CHAN_BITS;
- table->BlueSize = CHAN_BITS;
- table->AlphaSize = CHAN_BITS;
+ table->RedSize = sz;
+ table->GreenSize = sz;
+ table->BlueSize = sz;
+ table->AlphaSize = sz;
table->IntensitySize = 0;
table->LuminanceSize = 0;
break;
default:
- gl_problem(NULL, "unexpected format in set_component_sizes");
+ _mesa_problem(NULL, "unexpected format in set_component_sizes");
}
}
-void
+/**
+ * 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;
- 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;
- GLboolean floatTable = GL_FALSE;
+ const GLfloat *scale = one, *bias = zero;
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_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_SHARED_TEXTURE_PALETTE_EXT:
table = &ctx->Texture.Palette;
break;
case GL_COLOR_TABLE:
- table = &ctx->ColorTable;
- floatTable = GL_TRUE;
- 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];
+ 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;
+ 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->PostConvolutionColorTable;
- floatTable = GL_TRUE;
- 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];
+ 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->ProxyPostConvolutionColorTable;
+ table = &ctx->ProxyColorTable[COLORTABLE_POSTCONVOLUTION];
proxy = GL_TRUE;
break;
case GL_POST_COLOR_MATRIX_COLOR_TABLE:
- table = &ctx->PostColorMatrixColorTable;
- floatTable = GL_TRUE;
- 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];
+ 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->ProxyPostColorMatrixColorTable;
+ table = &ctx->ProxyColorTable[COLORTABLE_POSTCOLORMATRIX];
proxy = GL_TRUE;
break;
default:
- gl_error(ctx, GL_INVALID_ENUM, "glColorTable(target)");
- return;
+ /* 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(format, type) ||
+ if (!_mesa_is_legal_format_and_type(ctx, format, type) ||
format == GL_INTENSITY) {
- gl_error(ctx, GL_INVALID_OPERATION, "glColorTable(format or type)");
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glColorTable(format or type)");
return;
}
baseFormat = base_colortab_format(internalFormat);
- if (baseFormat < 0 || baseFormat == GL_COLOR_INDEX) {
- gl_error(ctx, GL_INVALID_ENUM, "glColorTable(internalFormat)");
+ if (baseFormat < 0) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glColorTable(internalFormat)");
return;
}
/* error */
if (proxy) {
table->Size = 0;
- table->IntFormat = (GLenum) 0;
- table->Format = (GLenum) 0;
+ table->InternalFormat = (GLenum) 0;
+ table->_BaseFormat = (GLenum) 0;
}
else {
- char msg[100];
- sprintf(msg, "glColorTable(width=%d)", width);
- gl_error(ctx, GL_INVALID_VALUE, msg);
+ _mesa_error(ctx, GL_INVALID_VALUE, "glColorTable(width=%d)", width);
}
return;
}
- if (width > ctx->Const.MaxColorTableSize) {
+ if (width > (GLsizei) ctx->Const.MaxColorTableSize) {
if (proxy) {
table->Size = 0;
- table->IntFormat = (GLenum) 0;
- table->Format = (GLenum) 0;
+ table->InternalFormat = (GLenum) 0;
+ table->_BaseFormat = (GLenum) 0;
}
else {
- if (width > ctx->Const.MaxColorTableSize)
- gl_error(ctx, GL_TABLE_TOO_LARGE, "glColorTable(width)");
- else {
- char msg[100];
- sprintf(msg, "glColorTable(width=%d)", width);
- gl_error(ctx, GL_INVALID_VALUE, msg);
- }
+ _mesa_error(ctx, GL_TABLE_TOO_LARGE, "glColorTable(width)");
}
return;
}
table->Size = width;
- table->IntFormat = internalFormat;
- table->Format = (GLenum) baseFormat;
- set_component_sizes(table);
+ table->InternalFormat = internalFormat;
+ table->_BaseFormat = (GLenum) baseFormat;
- comps = _mesa_components_in_format(table->Format);
+ comps = _mesa_components_in_format(table->_BaseFormat);
assert(comps > 0); /* error should have been caught sooner */
if (!proxy) {
- /* free old table, if any */
- if (table->Table) {
- FREE(table->Table);
- }
- if (floatTable) {
- GLfloat tempTab[MAX_COLOR_TABLE_SIZE * 4];
- GLfloat *tableF;
- GLuint i;
-
- _mesa_unpack_float_color_span(ctx, width, table->Format,
- tempTab, /* dest */
- format, type, data, &ctx->Unpack,
- 0, GL_FALSE);
-
- table->FloatTable = GL_TRUE;
- table->Table = MALLOC(comps * width * sizeof(GLfloat));
- if (!table->Table) {
- gl_error(ctx, GL_OUT_OF_MEMORY, "glColorTable");
- return;
- }
-
- tableF = (GLfloat *) table->Table;
-
- switch (table->Format) {
- case GL_INTENSITY:
- for (i = 0; i < width; i++) {
- tableF[i] = CLAMP(tempTab[i] * rScale + rBias, 0.0F, 1.0F);
- }
- break;
- case GL_LUMINANCE:
- for (i = 0; i < width; i++) {
- tableF[i] = CLAMP(tempTab[i] * rScale + rBias, 0.0F, 1.0F);
- }
- break;
- case GL_ALPHA:
- for (i = 0; i < width; i++) {
- tableF[i] = CLAMP(tempTab[i] * aScale + aBias, 0.0F, 1.0F);
- }
- break;
- case GL_LUMINANCE_ALPHA:
- for (i = 0; i < width; i++) {
- tableF[i*2+0] = CLAMP(tempTab[i*2+0] * rScale + rBias, 0.0F, 1.0F);
- tableF[i*2+1] = CLAMP(tempTab[i*2+1] * aScale + aBias, 0.0F, 1.0F);
- }
- break;
- case GL_RGB:
- for (i = 0; i < width; i++) {
- tableF[i*3+0] = CLAMP(tempTab[i*3+0] * rScale + rBias, 0.0F, 1.0F);
- tableF[i*3+1] = CLAMP(tempTab[i*3+1] * gScale + gBias, 0.0F, 1.0F);
- tableF[i*3+2] = CLAMP(tempTab[i*3+2] * bScale + bBias, 0.0F, 1.0F);
- }
- break;
- case GL_RGBA:
- for (i = 0; i < width; i++) {
- tableF[i*4+0] = CLAMP(tempTab[i*4+0] * rScale + rBias, 0.0F, 1.0F);
- tableF[i*4+1] = CLAMP(tempTab[i*4+1] * gScale + gBias, 0.0F, 1.0F);
- tableF[i*4+2] = CLAMP(tempTab[i*4+2] * bScale + bBias, 0.0F, 1.0F);
- tableF[i*4+3] = CLAMP(tempTab[i*4+3] * aScale + aBias, 0.0F, 1.0F);
- }
- break;
- default:
- gl_problem(ctx, "Bad format in _mesa_ColorTable");
- return;
- }
+ _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]);
}
- else {
- /* store GLchan table */
- table->FloatTable = GL_FALSE;
- table->Table = MALLOC(comps * width * sizeof(GLchan));
- if (!table->Table) {
- gl_error(ctx, GL_OUT_OF_MEMORY, "glColorTable");
- return;
- }
- _mesa_unpack_chan_color_span(ctx, width, table->Format,
- table->Table, /* dest */
- format, type, data,
- &ctx->Unpack, 0);
- } /* floatTable */
} /* 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
+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;
- 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;
+ const GLfloat *scale = one, *bias = zero;
+
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_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];
+ 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->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];
+ 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->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];
+ table = &ctx->ColorTable[COLORTABLE_POSTCOLORMATRIX];
+ scale = ctx->Pixel.ColorTableScale[COLORTABLE_POSTCOLORMATRIX];
+ bias = ctx->Pixel.ColorTableBias[COLORTABLE_POSTCOLORMATRIX];
break;
default:
- gl_error(ctx, GL_INVALID_ENUM, "glColorSubTable(target)");
- return;
+ /* 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(format, type) ||
+ if (!_mesa_is_legal_format_and_type(ctx, format, type) ||
format == GL_INTENSITY) {
- gl_error(ctx, GL_INVALID_OPERATION, "glColorSubTable(format or type)");
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glColorSubTable(format or type)");
return;
}
if (count < 1) {
- gl_error(ctx, GL_INVALID_VALUE, "glColorSubTable(count)");
+ _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 */
+ /* error should have been caught sooner */
+ assert(_mesa_components_in_format(table->_BaseFormat) > 0);
- if (start + count > table->Size) {
- gl_error(ctx, GL_INVALID_VALUE, "glColorSubTable(count)");
+ if (start + count > (GLint) table->Size) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glColorSubTable(count)");
return;
}
- if (!table->Table) {
- gl_error(ctx, GL_OUT_OF_MEMORY, "glColorSubTable");
+ if (!table->TableF || !table->TableUB) {
+ /* a GL_OUT_OF_MEMORY error would have been recorded previously */
return;
}
- if (!table->FloatTable) {
- GLchan *dest = (GLchan *) table->Table + start * comps * sizeof(GLchan);
- _mesa_unpack_chan_color_span(ctx, count, table->Format, dest,
- format, type, data, &ctx->Unpack, 0);
- }
- else {
- GLfloat tempTab[MAX_COLOR_TABLE_SIZE * 4];
- GLfloat *tableF;
- GLuint i;
-
- ASSERT(table->FloatTable);
-
- _mesa_unpack_float_color_span(ctx, count, table->Format,
- tempTab, /* dest */
- format, type, data, &ctx->Unpack,
- 0, GL_FALSE);
-
- 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:
- gl_problem(ctx, "Bad format in _mesa_ColorSubTable");
- 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 */
(*ctx->Driver.UpdateTexturePalette)( ctx, texObj );
}
}
-
+
ctx->NewState |= _NEW_PIXEL;
}
-/* XXX not tested */
-void
+void GLAPIENTRY
_mesa_CopyColorTable(GLenum target, GLenum internalformat,
GLint x, GLint y, GLsizei width)
{
- GLchan data[MAX_WIDTH][4];
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
/* Select buffer to read from */
- (*ctx->Driver.SetReadBuffer)( ctx, ctx->ReadBuffer,
- ctx->Pixel.DriverReadBuffer );
-
- if (width > MAX_WIDTH)
- width = MAX_WIDTH;
-
- /* read the data from framebuffer */
- RENDER_START(ctx);
- gl_read_rgba_span( ctx, ctx->ReadBuffer, width, x, y, data );
- RENDER_FINISH(ctx);
-
- /* Restore reading from draw buffer (the default) */
- (*ctx->Driver.SetReadBuffer)( ctx, ctx->DrawBuffer,
- ctx->Color.DriverDrawBuffer );
-
- _mesa_ColorTable(target, internalformat, width,
- GL_RGBA, GL_UNSIGNED_BYTE, data);
+ ctx->Driver.CopyColorTable( ctx, target, internalformat, x, y, width );
}
-/* XXX not tested */
-void
+void GLAPIENTRY
_mesa_CopyColorSubTable(GLenum target, GLsizei start,
GLint x, GLint y, GLsizei width)
{
- GLchan data[MAX_WIDTH][4];
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- /* Select buffer to read from */
- (*ctx->Driver.SetReadBuffer)( ctx, ctx->ReadBuffer,
- ctx->Pixel.DriverReadBuffer );
-
- if (width > MAX_WIDTH)
- width = MAX_WIDTH;
-
- /* read the data from framebuffer */
- RENDER_START(ctx);
- gl_read_rgba_span( ctx, ctx->ReadBuffer, width, x, y, data );
- RENDER_FINISH(ctx);
-
- /* Restore reading from draw buffer (the default) */
- (*ctx->Driver.SetReadBuffer)( ctx, ctx->DrawBuffer,
- ctx->Color.DriverDrawBuffer );
-
- _mesa_ColorSubTable(target, start, width, GL_RGBA, GL_UNSIGNED_BYTE, data);
+ ctx->Driver.CopyColorSubTable( ctx, target, start, x, y, width );
}
-void
+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];
- GLint i;
+ GLfloat rgba[MAX_COLOR_TABLE_SIZE][4];
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
if (ctx->NewState) {
- gl_update_state(ctx);
+ _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_SHARED_TEXTURE_PALETTE_EXT:
table = &ctx->Texture.Palette;
break;
case GL_COLOR_TABLE:
- table = &ctx->ColorTable;
+ 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->PostConvolutionColorTable;
+ table = &ctx->ColorTable[COLORTABLE_POSTCONVOLUTION];
break;
case GL_POST_COLOR_MATRIX_COLOR_TABLE:
- table = &ctx->PostColorMatrixColorTable;
+ table = &ctx->ColorTable[COLORTABLE_POSTCOLORMATRIX];
break;
default:
- gl_error(ctx, GL_INVALID_ENUM, "glGetColorTable(target)");
- return;
- }
-
- assert(table);
-
- switch (table->Format) {
- case GL_ALPHA:
- if (table->FloatTable) {
- const GLfloat *tableF = (const GLfloat *) table->Table;
- for (i = 0; i < table->Size; i++) {
- rgba[i][RCOMP] = 0;
- rgba[i][GCOMP] = 0;
- rgba[i][BCOMP] = 0;
- rgba[i][ACOMP] = (GLint) (tableF[i] * CHAN_MAXF);
- }
- }
- else {
- const GLchan *tableUB = (const GLchan *) table->Table;
- 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->FloatTable) {
- const GLfloat *tableF = (const GLfloat *) table->Table;
- for (i = 0; i < table->Size; i++) {
- rgba[i][RCOMP] = (GLint) (tableF[i] * CHAN_MAXF);
- rgba[i][GCOMP] = (GLint) (tableF[i] * CHAN_MAXF);
- rgba[i][BCOMP] = (GLint) (tableF[i] * CHAN_MAXF);
- rgba[i][ACOMP] = CHAN_MAX;
+ /* 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 {
- const GLchan *tableUB = (const GLchan *) table->Table;
- 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->FloatTable) {
- const GLfloat *tableF = (const GLfloat *) table->Table;
- for (i = 0; i < table->Size; i++) {
- rgba[i][RCOMP] = (GLint) (tableF[i*2+0] * CHAN_MAXF);
- rgba[i][GCOMP] = (GLint) (tableF[i*2+0] * CHAN_MAXF);
- rgba[i][BCOMP] = (GLint) (tableF[i*2+0] * CHAN_MAXF);
- rgba[i][ACOMP] = (GLint) (tableF[i*2+1] * CHAN_MAXF);
- }
- }
- else {
- const GLchan *tableUB = (const GLchan *) table->Table;
- 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->FloatTable) {
- const GLfloat *tableF = (const GLfloat *) table->Table;
- for (i = 0; i < table->Size; i++) {
- rgba[i][RCOMP] = (GLint) (tableF[i] * CHAN_MAXF);
- rgba[i][GCOMP] = (GLint) (tableF[i] * CHAN_MAXF);
- rgba[i][BCOMP] = (GLint) (tableF[i] * CHAN_MAXF);
- rgba[i][ACOMP] = (GLint) (tableF[i] * CHAN_MAXF);
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTable(target)");
+ return;
}
}
- else {
- const GLchan *tableUB = (const GLchan *) table->Table;
- 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];
- }
+ }
+
+ 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_RGB:
- if (table->FloatTable) {
- const GLfloat *tableF = (const GLfloat *) table->Table;
- for (i = 0; i < table->Size; i++) {
- rgba[i][RCOMP] = (GLint) (tableF[i*3+0] * CHAN_MAXF);
- rgba[i][GCOMP] = (GLint) (tableF[i*3+1] * CHAN_MAXF);
- rgba[i][BCOMP] = (GLint) (tableF[i*3+2] * CHAN_MAXF);
- rgba[i][ACOMP] = CHAN_MAX;
- }
+ }
+ 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;
}
- else {
- const GLchan *tableUB = (const GLchan *) table->Table;
- 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_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_RGBA:
- if (table->FloatTable) {
- const GLfloat *tableF = (const GLfloat *) table->Table;
- for (i = 0; i < table->Size; i++) {
- rgba[i][RCOMP] = (GLint) (tableF[i*4+0] * CHAN_MAXF + 0.5F);
- rgba[i][GCOMP] = (GLint) (tableF[i*4+1] * CHAN_MAXF + 0.5F);
- rgba[i][BCOMP] = (GLint) (tableF[i*4+2] * CHAN_MAXF + 0.5F);
- rgba[i][ACOMP] = (GLint) (tableF[i*4+3] * CHAN_MAXF + 0.5F);
- }
+ }
+ 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];
}
- else {
- const GLchan *tableUB = (const GLchan *) table->Table;
- 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;
+ 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;
- default:
- gl_problem(ctx, "bad table format in glGetColorTable");
+ }
+ 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(ctx, table->Size, (const GLchan (*)[]) rgba,
- format, type, data, &ctx->Pack, GL_FALSE);
+ _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
+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:
- 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 {
- gl_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 {
- gl_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 {
- gl_error(ctx, GL_INVALID_ENUM, "glColorTableParameterfv(pname)");
- return;
- }
- break;
- default:
- gl_error(ctx, GL_INVALID_ENUM, "glColorTableParameter(target)");
- return;
+ 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
+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 */
-void
+void GLAPIENTRY
_mesa_GetColorTableParameterfv( GLenum target, GLenum pname, GLfloat *params )
{
GET_CURRENT_CONTEXT(ctx);
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_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_SHARED_TEXTURE_PALETTE_EXT:
table = &ctx->Texture.Palette;
break;
case GL_COLOR_TABLE:
- table = &ctx->ColorTable;
+ table = &ctx->ColorTable[COLORTABLE_PRECONVOLUTION];
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];
+ COPY_4V(params, ctx->Pixel.ColorTableScale[COLORTABLE_PRECONVOLUTION]);
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];
+ COPY_4V(params, ctx->Pixel.ColorTableBias[COLORTABLE_PRECONVOLUTION]);
return;
}
break;
case GL_PROXY_COLOR_TABLE:
- table = &ctx->ProxyColorTable;
+ 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->PostConvolutionColorTable;
+ table = &ctx->ColorTable[COLORTABLE_POSTCONVOLUTION];
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];
+ COPY_4V(params, ctx->Pixel.ColorTableScale[COLORTABLE_POSTCONVOLUTION]);
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];
+ COPY_4V(params, ctx->Pixel.ColorTableBias[COLORTABLE_POSTCONVOLUTION]);
return;
}
break;
case GL_PROXY_POST_CONVOLUTION_COLOR_TABLE:
- table = &ctx->ProxyPostConvolutionColorTable;
+ table = &ctx->ProxyColorTable[COLORTABLE_POSTCONVOLUTION];
break;
case GL_POST_COLOR_MATRIX_COLOR_TABLE:
- table = &ctx->PostColorMatrixColorTable;
+ table = &ctx->ColorTable[COLORTABLE_POSTCOLORMATRIX];
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];
+ COPY_4V(params, ctx->Pixel.ColorTableScale[COLORTABLE_POSTCOLORMATRIX]);
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];
+ COPY_4V(params, ctx->Pixel.ColorTableBias[COLORTABLE_POSTCOLORMATRIX]);
return;
}
break;
case GL_PROXY_POST_COLOR_MATRIX_COLOR_TABLE:
- table = &ctx->ProxyPostColorMatrixColorTable;
+ table = &ctx->ProxyColorTable[COLORTABLE_POSTCOLORMATRIX];
break;
default:
- gl_error(ctx, GL_INVALID_ENUM, "glGetColorTableParameterfv(target)");
- return;
+ /* 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 = table->IntFormat;
+ *params = (GLfloat) table->InternalFormat;
break;
case GL_COLOR_TABLE_WIDTH:
- *params = table->Size;
+ *params = (GLfloat) table->Size;
break;
case GL_COLOR_TABLE_RED_SIZE:
- *params = table->RedSize;
+ *params = (GLfloat) table->RedSize;
break;
case GL_COLOR_TABLE_GREEN_SIZE:
- *params = table->GreenSize;
+ *params = (GLfloat) table->GreenSize;
break;
case GL_COLOR_TABLE_BLUE_SIZE:
- *params = table->BlueSize;
+ *params = (GLfloat) table->BlueSize;
break;
case GL_COLOR_TABLE_ALPHA_SIZE:
- *params = table->AlphaSize;
+ *params = (GLfloat) table->AlphaSize;
break;
case GL_COLOR_TABLE_LUMINANCE_SIZE:
- *params = table->LuminanceSize;
+ *params = (GLfloat) table->LuminanceSize;
break;
case GL_COLOR_TABLE_INTENSITY_SIZE:
- *params = table->IntensitySize;
+ *params = (GLfloat) table->IntensitySize;
break;
default:
- gl_error(ctx, GL_INVALID_ENUM, "glGetColorTableParameterfv(pname)" );
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTableParameterfv(pname)" );
return;
}
}
-void
+void GLAPIENTRY
_mesa_GetColorTableParameteriv( GLenum target, GLenum pname, GLint *params )
{
GET_CURRENT_CONTEXT(ctx);
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_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_SHARED_TEXTURE_PALETTE_EXT:
table = &ctx->Texture.Palette;
break;
case GL_COLOR_TABLE:
- table = &ctx->ColorTable;
+ table = &ctx->ColorTable[COLORTABLE_PRECONVOLUTION];
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];
+ 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) {
- 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];
+ 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;
+ 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->PostConvolutionColorTable;
+ table = &ctx->ColorTable[COLORTABLE_POSTCONVOLUTION];
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];
+ 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) {
- 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];
+ 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->ProxyPostConvolutionColorTable;
+ table = &ctx->ProxyColorTable[COLORTABLE_POSTCONVOLUTION];
break;
case GL_POST_COLOR_MATRIX_COLOR_TABLE:
- table = &ctx->PostColorMatrixColorTable;
+ table = &ctx->ColorTable[COLORTABLE_POSTCOLORMATRIX];
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];
+ 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) {
- 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];
+ 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->ProxyPostColorMatrixColorTable;
+ table = &ctx->ProxyColorTable[COLORTABLE_POSTCOLORMATRIX];
break;
default:
- gl_error(ctx, GL_INVALID_ENUM, "glGetColorTableParameteriv(target)");
- return;
+ /* 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->IntFormat;
+ *params = table->InternalFormat;
break;
case GL_COLOR_TABLE_WIDTH:
*params = table->Size;
*params = table->IntensitySize;
break;
default:
- gl_error(ctx, GL_INVALID_ENUM, "glGetColorTableParameteriv(pname)" );
+ _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]);
+ }
+}
projects / mesa.git / blobdiff