diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/main/colortab.c')
| -rw-r--r-- | nx-X11/extras/Mesa/src/mesa/main/colortab.c | 1445 |
1 files changed, 0 insertions, 1445 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/main/colortab.c b/nx-X11/extras/Mesa/src/mesa/main/colortab.c deleted file mode 100644 index 4f0801578..000000000 --- a/nx-X11/extras/Mesa/src/mesa/main/colortab.c +++ /dev/null @@ -1,1445 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 6.5 - * - * Copyright (C) 1999-2005 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" - - -/* - * 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 = 8 * sizeof(GLubyte); - break; - case GL_UNSIGNED_SHORT: - sz = 8 * sizeof(GLushort); - break; - case GL_FLOAT: - /* Don't actually return 32 here since that causes the conformance - * tests to blow up. Conform thinks the component is an integer, - * not a float. - */ - sz = 8; /** 8 * 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 (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); - } - - - 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_color_span_float(ctx, - count, /* number of pixels */ - table->Format, /* dest format */ - tempTab, /* dest address */ - format, type, /* src format/type */ - data, /* src data */ - &ctx->Unpack, - IMAGE_CLAMP_BIT); /* transfer ops */ - - /* the destination */ - tableF = (GLfloat *) table->Table; - - /* Apply scale & bias & clamp now */ - 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_color_span_chan(ctx, count, /* number of entries */ - table->Format, /* dest format */ - dest, /* dest address */ - format, type, data, /* src data */ - &ctx->Unpack, - 0); /* transfer ops */ - } - - 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 ) -{ - 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; - tableType = GL_FLOAT; - 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); - tableType = GL_FLOAT; - 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; - tableType = GL_FLOAT; - 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; - tableType = GL_FLOAT; - proxy = GL_TRUE; - break; - default: - _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 || 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; - table->Type = (tableType == GL_FLOAT) ? GL_FLOAT : CHAN_TYPE; - - 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 (table->Type == GL_FLOAT) { - table->Table = MALLOC(comps * width * sizeof(GLfloat)); - } - else { - 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 */ - - /* 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 ) -{ - 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; - 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(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->Format) > 0); - - 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; -} - - - -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; - 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; - } - - 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_chan(ctx, table->Size, (const GLchan (*)[4]) rgba, - format, type, data, &ctx->Pack, GL_FALSE); - - 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) -{ - 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); -} |