/* $Id: colortab.c,v 1.20 2000/06/29 18:54:29 brianp Exp $ */ /* * Mesa 3-D graphics library * Version: 3.3 * * Copyright (C) 1999-2000 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. */ #ifdef PC_HEADER #include "all.h" #else #include "glheader.h" #include "colortab.h" #include "context.h" #include "image.h" #include "macros.h" #include "mem.h" #include "mmath.h" #include "span.h" #endif /* * 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 */ } } void _mesa_init_colortable( struct gl_color_table *p ) { p->TableType = GL_UNSIGNED_BYTE; /* allocate a width=1 table by default */ p->Table = CALLOC(4 * sizeof(GLubyte)); if (p->Table) { GLubyte *t = (GLubyte *) p->Table; t[0] = 255; t[1] = 255; t[2] = 255; t[3] = 255; } p->Size = 1; p->IntFormat = GL_RGBA; p->Format = GL_RGBA; p->RedSize = 8; p->GreenSize = 8; p->BlueSize = 8; p->AlphaSize = 8; 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) { case GL_ALPHA: table->RedSize = 0; table->GreenSize = 0; table->BlueSize = 0; table->AlphaSize = 8; 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 = 8; break; case GL_LUMINANCE_ALPHA: table->RedSize = 0; table->GreenSize = 0; table->BlueSize = 0; table->AlphaSize = 8; table->IntensitySize = 0; table->LuminanceSize = 8; break; case GL_INTENSITY: table->RedSize = 0; table->GreenSize = 0; table->BlueSize = 0; table->AlphaSize = 0; table->IntensitySize = 8; table->LuminanceSize = 0; break; case GL_RGB: table->RedSize = 8; table->GreenSize = 8; table->BlueSize = 8; table->AlphaSize = 0; table->IntensitySize = 0; table->LuminanceSize = 0; break; case GL_RGBA: table->RedSize = 8; table->GreenSize = 8; table->BlueSize = 8; table->AlphaSize = 8; table->IntensitySize = 0; table->LuminanceSize = 0; break; default: gl_problem(NULL, "unexpected format in set_component_sizes"); } } void _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; GLboolean floatTable = GL_FALSE; GLint comps; ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glColorTable"); switch (target) { case GL_TEXTURE_1D: texObj = texUnit->CurrentD[1]; table = &texObj->Palette; break; case GL_TEXTURE_2D: texObj = texUnit->CurrentD[2]; table = &texObj->Palette; break; case GL_TEXTURE_3D: texObj = texUnit->CurrentD[3]; 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]; break; case GL_PROXY_COLOR_TABLE: table = &ctx->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]; break; case GL_PROXY_POST_CONVOLUTION_COLOR_TABLE: table = &ctx->ProxyPostConvolutionColorTable; proxy = GL_TRUE; break; case GL_POST_COLOR_MATRIX_COLOR_TABLE: table = &ctx->PostColorMatrixColorTable; 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]; break; case GL_PROXY_POST_COLOR_MATRIX_COLOR_TABLE: table = &ctx->ProxyPostColorMatrixColorTable; proxy = GL_TRUE; break; default: gl_error(ctx, GL_INVALID_ENUM, "glColorTable(target)"); return; } assert(table); if (!_mesa_is_legal_format_and_type(format, type) || format == GL_INTENSITY) { gl_error(ctx, GL_INVALID_ENUM, "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)"); return; } if (width < 0 || _mesa_bitcount(width) != 1) { if (proxy) { table->Size = 0; table->IntFormat = (GLenum) 0; table->Format = (GLenum) 0; } else { gl_error(ctx, GL_INVALID_VALUE, "glColorTable(width)"); } return; } if (width > ctx->Const.MaxColorTableSize) { if (proxy) { table->Size = 0; table->IntFormat = (GLenum) 0; table->Format = (GLenum) 0; } else { if (width > ctx->Const.MaxColorTableSize) gl_error(ctx, GL_TABLE_TOO_LARGE, "glColorTable(width)"); else gl_error(ctx, GL_INVALID_VALUE, "glColorTable(width)"); } return; } table->Size = width; table->IntFormat = internalFormat; table->Format = (GLenum) baseFormat; set_component_sizes(table); comps = _mesa_components_in_format(table->Format); assert(comps > 0); /* error should have been caught sooner */ if (!proxy) { /* free old table, if any */ if (table->Table) { FREE(table->Table); } 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, GL_TRUE, GL_FALSE); table->TableType = GL_FLOAT; 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; } } else { /* store GLubyte table */ table->TableType = GL_UNSIGNED_BYTE; table->Table = MALLOC(comps * width * sizeof(GLubyte)); if (!table->Table) { gl_error(ctx, GL_OUT_OF_MEMORY, "glColorTable"); return; } _mesa_unpack_ubyte_color_span(ctx, width, table->Format, table->Table, /* dest */ format, type, data, &ctx->Unpack, GL_TRUE); } /* floatTable */ } /* proxy */ if (texObj || target == GL_SHARED_TEXTURE_PALETTE_EXT) { /* texture object palette, texObj==NULL means the shared palette */ if (ctx->Driver.UpdateTexturePalette) { (*ctx->Driver.UpdateTexturePalette)( ctx, texObj ); } } } void _mesa_ColorSubTable( GLenum target, GLsizei start, GLsizei count, GLenum format, GLenum type, const GLvoid *data ) { GET_CURRENT_CONTEXT(ctx); struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; struct gl_texture_object *texObj = NULL; struct gl_color_table *table = NULL; GLfloat rScale = 1.0, gScale = 1.0, bScale = 1.0, aScale = 1.0; GLfloat rBias = 0.0, gBias = 0.0, bBias = 0.0, aBias = 0.0; GLint comps; ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glColorSubTable"); switch (target) { case GL_TEXTURE_1D: texObj = texUnit->CurrentD[1]; table = &texObj->Palette; break; case GL_TEXTURE_2D: texObj = texUnit->CurrentD[2]; table = &texObj->Palette; break; case GL_TEXTURE_3D: texObj = texUnit->CurrentD[3]; 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_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: gl_error(ctx, GL_INVALID_ENUM, "glColorSubTable(target)"); return; } assert(table); if (!_mesa_is_legal_format_and_type(format, type) || format == GL_INTENSITY) { gl_error(ctx, GL_INVALID_ENUM, "glColorSubTable(format or type)"); return; } if (count < 1) { gl_error(ctx, GL_INVALID_VALUE, "glColorSubTable(count)"); return; } comps = _mesa_components_in_format(table->Format); assert(comps > 0); /* error should have been caught sooner */ if (start + count > table->Size) { gl_error(ctx, GL_INVALID_VALUE, "glColorSubTable(count)"); return; } if (!table->Table) { gl_error(ctx, GL_OUT_OF_MEMORY, "glColorSubTable"); return; } if (table->TableType == GL_UNSIGNED_BYTE) { GLubyte *dest = (GLubyte *) table->Table + start * comps * sizeof(GLubyte); _mesa_unpack_ubyte_color_span(ctx, count, table->Format, dest, format, type, data, &ctx->Unpack, GL_TRUE); } else { GLfloat tempTab[MAX_COLOR_TABLE_SIZE * 4]; GLfloat *tableF; GLuint i; ASSERT(table->TableType == GL_FLOAT); _mesa_unpack_float_color_span(ctx, count, table->Format, tempTab, /* dest */ format, type, data, &ctx->Unpack, GL_TRUE, 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; } } if (texObj || target == GL_SHARED_TEXTURE_PALETTE_EXT) { /* per-texture object palette */ if (ctx->Driver.UpdateTexturePalette) { (*ctx->Driver.UpdateTexturePalette)( ctx, texObj ); } } } /* XXX not tested */ void _mesa_CopyColorTable(GLenum target, GLenum internalformat, GLint x, GLint y, GLsizei width) { GLubyte data[MAX_WIDTH][4]; GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glCopyColorTable"); /* 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 */ gl_read_rgba_span( ctx, ctx->ReadBuffer, width, x, y, data ); /* 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); } /* XXX not tested */ void _mesa_CopyColorSubTable(GLenum target, GLsizei start, GLint x, GLint y, GLsizei width) { GLubyte data[MAX_WIDTH][4]; GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glCopyColorSubTable"); /* 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 */ gl_read_rgba_span( ctx, ctx->ReadBuffer, width, x, y, data ); /* 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); } void _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; GLubyte rgba[MAX_COLOR_TABLE_SIZE][4]; GLint i; ASSERT_OUTSIDE_BEGIN_END(ctx, "glGetColorTable"); switch (target) { case GL_TEXTURE_1D: table = &texUnit->CurrentD[1]->Palette; break; case GL_TEXTURE_2D: table = &texUnit->CurrentD[2]->Palette; break; case GL_TEXTURE_3D: table = &texUnit->CurrentD[3]->Palette; break; case GL_SHARED_TEXTURE_PALETTE_EXT: table = &ctx->Texture.Palette; break; case GL_COLOR_TABLE: table = &ctx->ColorTable; break; case GL_POST_CONVOLUTION_COLOR_TABLE: table = &ctx->PostConvolutionColorTable; break; case GL_POST_COLOR_MATRIX_COLOR_TABLE: table = &ctx->PostColorMatrixColorTable; break; default: gl_error(ctx, GL_INVALID_ENUM, "glGetColorTable(target)"); return; } assert(table); switch (table->Format) { case GL_ALPHA: if (table->TableType == GL_FLOAT) { 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] * 255.0F); } } else { const GLubyte *tableUB = (const GLubyte *) 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->TableType == GL_FLOAT) { const GLfloat *tableF = (const GLfloat *) table->Table; for (i = 0; i < table->Size; i++) { rgba[i][RCOMP] = (GLint) (tableF[i] * 255.0F); rgba[i][GCOMP] = (GLint) (tableF[i] * 255.0F); rgba[i][BCOMP] = (GLint) (tableF[i] * 255.0F); rgba[i][ACOMP] = 255; } } else { const GLubyte *tableUB = (const GLubyte *) 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] = 255; } } break; case GL_LUMINANCE_ALPHA: if (table->TableType == GL_FLOAT) { const GLfloat *tableF = (const GLfloat *) table->Table; for (i = 0; i < table->Size; i++) { rgba[i][RCOMP] = (GLint) (tableF[i*2+0] * 255.0F); rgba[i][GCOMP] = (GLint) (tableF[i*2+0] * 255.0F); rgba[i][BCOMP] = (GLint) (tableF[i*2+0] * 255.0F); rgba[i][ACOMP] = (GLint) (tableF[i*2+1] * 255.0F); } } else { const GLubyte *tableUB = (const GLubyte *) 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->TableType == GL_FLOAT) { const GLfloat *tableF = (const GLfloat *) table->Table; for (i = 0; i < table->Size; i++) { rgba[i][RCOMP] = (GLint) (tableF[i] * 255.0F); rgba[i][GCOMP] = (GLint) (tableF[i] * 255.0F); rgba[i][BCOMP] = (GLint) (tableF[i] * 255.0F); rgba[i][ACOMP] = (GLint) (tableF[i] * 255.0F); } } else { const GLubyte *tableUB = (const GLubyte *) 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]; } } break; case GL_RGB: if (table->TableType == GL_FLOAT) { const GLfloat *tableF = (const GLfloat *) table->Table; for (i = 0; i < table->Size; i++) { rgba[i][RCOMP] = (GLint) (tableF[i*3+0] * 255.0F); rgba[i][GCOMP] = (GLint) (tableF[i*3+1] * 255.0F); rgba[i][BCOMP] = (GLint) (tableF[i*3+2] * 255.0F); rgba[i][ACOMP] = 255; } } else { const GLubyte *tableUB = (const GLubyte *) 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] = 255; } } break; case GL_RGBA: if (table->TableType == GL_FLOAT) { const GLfloat *tableF = (const GLfloat *) table->Table; for (i = 0; i < table->Size; i++) { rgba[i][RCOMP] = (GLint) (tableF[i*4+0] * 255.0F + 0.5F); rgba[i][GCOMP] = (GLint) (tableF[i*4+1] * 255.0F + 0.5F); rgba[i][BCOMP] = (GLint) (tableF[i*4+2] * 255.0F + 0.5F); rgba[i][ACOMP] = (GLint) (tableF[i*4+3] * 255.0F + 0.5F); } } else { const GLubyte *tableUB = (const GLubyte *) 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; default: gl_problem(ctx, "bad table format in glGetColorTable"); return; } _mesa_pack_rgba_span(ctx, table->Size, (const GLubyte (*)[]) rgba, format, type, data, &ctx->Pack, GL_FALSE); } void _mesa_ColorTableParameterfv(GLenum target, GLenum pname, const GLfloat *params) { GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END(ctx, "glColorTableParameterfv"); 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; } } void _mesa_ColorTableParameteriv(GLenum target, GLenum pname, const GLint *params) { GLfloat fparams[4]; if (pname == GL_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 _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, "glGetColorTableParameterfv"); switch (target) { case GL_TEXTURE_1D: table = &texUnit->CurrentD[1]->Palette; break; case GL_TEXTURE_2D: table = &texUnit->CurrentD[2]->Palette; break; case GL_TEXTURE_3D: table = &texUnit->CurrentD[3]->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; 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_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: gl_error(ctx, GL_INVALID_ENUM, "glGetColorTableParameterfv(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: gl_error(ctx, GL_INVALID_ENUM, "glGetColorTableParameterfv(pname)" ); return; } } void _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, "glGetColorTableParameteriv"); switch (target) { case GL_TEXTURE_1D: table = &texUnit->CurrentD[1]->Palette; break; case GL_TEXTURE_2D: table = &texUnit->CurrentD[2]->Palette; break; case GL_TEXTURE_3D: table = &texUnit->CurrentD[3]->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; 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_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: gl_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: gl_error(ctx, GL_INVALID_ENUM, "glGetColorTableParameteriv(pname)" ); return; } }