From 209657f69055b17b00c3db3f99c7f411a6e8d176 Mon Sep 17 00:00:00 2001 From: Mike Gabriel Date: Fri, 17 Feb 2017 16:11:01 +0100 Subject: nx-X11/extras/Mesa: Drop bundled Mesa, place a symlink to imported Git subtree of Mesa_6.4.1 instead. --- nx-X11/extras/Mesa/src/mesa/main/pixel.c | 2119 ------------------------------ 1 file changed, 2119 deletions(-) delete mode 100644 nx-X11/extras/Mesa/src/mesa/main/pixel.c (limited to 'nx-X11/extras/Mesa/src/mesa/main/pixel.c') diff --git a/nx-X11/extras/Mesa/src/mesa/main/pixel.c b/nx-X11/extras/Mesa/src/mesa/main/pixel.c deleted file mode 100644 index d2edd0ecb..000000000 --- a/nx-X11/extras/Mesa/src/mesa/main/pixel.c +++ /dev/null @@ -1,2119 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 6.3 - * - * 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 "colormac.h" -#include "context.h" -#include "image.h" -#include "macros.h" -#include "pixel.h" -#include "mtypes.h" - - -/**********************************************************************/ -/***** glPixelZoom *****/ -/**********************************************************************/ - - - -void GLAPIENTRY -_mesa_PixelZoom( GLfloat xfactor, GLfloat yfactor ) -{ - GET_CURRENT_CONTEXT(ctx); - - if (ctx->Pixel.ZoomX == xfactor && - ctx->Pixel.ZoomY == yfactor) - return; - - FLUSH_VERTICES(ctx, _NEW_PIXEL); - ctx->Pixel.ZoomX = xfactor; - ctx->Pixel.ZoomY = yfactor; -} - - - -/**********************************************************************/ -/***** glPixelStore *****/ -/**********************************************************************/ - - -void GLAPIENTRY -_mesa_PixelStorei( GLenum pname, GLint param ) -{ - /* NOTE: this call can't be compiled into the display list */ - GET_CURRENT_CONTEXT(ctx); - ASSERT_OUTSIDE_BEGIN_END(ctx); - - switch (pname) { - case GL_PACK_SWAP_BYTES: - if (param == (GLint)ctx->Pack.SwapBytes) - return; - FLUSH_VERTICES(ctx, _NEW_PACKUNPACK); - ctx->Pack.SwapBytes = param ? GL_TRUE : GL_FALSE; - break; - case GL_PACK_LSB_FIRST: - if (param == (GLint)ctx->Pack.LsbFirst) - return; - FLUSH_VERTICES(ctx, _NEW_PACKUNPACK); - ctx->Pack.LsbFirst = param ? GL_TRUE : GL_FALSE; - break; - case GL_PACK_ROW_LENGTH: - if (param<0) { - _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" ); - return; - } - if (ctx->Pack.RowLength == param) - return; - FLUSH_VERTICES(ctx, _NEW_PACKUNPACK); - ctx->Pack.RowLength = param; - break; - case GL_PACK_IMAGE_HEIGHT: - if (param<0) { - _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" ); - return; - } - if (ctx->Pack.ImageHeight == param) - return; - FLUSH_VERTICES(ctx, _NEW_PACKUNPACK); - ctx->Pack.ImageHeight = param; - break; - case GL_PACK_SKIP_PIXELS: - if (param<0) { - _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" ); - return; - } - if (ctx->Pack.SkipPixels == param) - return; - FLUSH_VERTICES(ctx, _NEW_PACKUNPACK); - ctx->Pack.SkipPixels = param; - break; - case GL_PACK_SKIP_ROWS: - if (param<0) { - _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" ); - return; - } - if (ctx->Pack.SkipRows == param) - return; - FLUSH_VERTICES(ctx, _NEW_PACKUNPACK); - ctx->Pack.SkipRows = param; - break; - case GL_PACK_SKIP_IMAGES: - if (param<0) { - _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" ); - return; - } - if (ctx->Pack.SkipImages == param) - return; - FLUSH_VERTICES(ctx, _NEW_PACKUNPACK); - ctx->Pack.SkipImages = param; - break; - case GL_PACK_ALIGNMENT: - if (param!=1 && param!=2 && param!=4 && param!=8) { - _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" ); - return; - } - if (ctx->Pack.Alignment == param) - return; - FLUSH_VERTICES(ctx, _NEW_PACKUNPACK); - ctx->Pack.Alignment = param; - break; - case GL_PACK_INVERT_MESA: - if (!ctx->Extensions.MESA_pack_invert) { - _mesa_error( ctx, GL_INVALID_ENUM, "glPixelstore(pname)" ); - return; - } - if (ctx->Pack.Invert == param) - return; - FLUSH_VERTICES(ctx, _NEW_PACKUNPACK); - ctx->Pack.Invert = param; - break; - - case GL_UNPACK_SWAP_BYTES: - if (param == (GLint)ctx->Unpack.SwapBytes) - return; - if ((GLint)ctx->Unpack.SwapBytes == param) - return; - FLUSH_VERTICES(ctx, _NEW_PACKUNPACK); - ctx->Unpack.SwapBytes = param ? GL_TRUE : GL_FALSE; - break; - case GL_UNPACK_LSB_FIRST: - if (param == (GLint)ctx->Unpack.LsbFirst) - return; - if ((GLint)ctx->Unpack.LsbFirst == param) - return; - FLUSH_VERTICES(ctx, _NEW_PACKUNPACK); - ctx->Unpack.LsbFirst = param ? GL_TRUE : GL_FALSE; - break; - case GL_UNPACK_ROW_LENGTH: - if (param<0) { - _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" ); - return; - } - if (ctx->Unpack.RowLength == param) - return; - FLUSH_VERTICES(ctx, _NEW_PACKUNPACK); - ctx->Unpack.RowLength = param; - break; - case GL_UNPACK_IMAGE_HEIGHT: - if (param<0) { - _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" ); - return; - } - if (ctx->Unpack.ImageHeight == param) - return; - - FLUSH_VERTICES(ctx, _NEW_PACKUNPACK); - ctx->Unpack.ImageHeight = param; - break; - case GL_UNPACK_SKIP_PIXELS: - if (param<0) { - _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" ); - return; - } - if (ctx->Unpack.SkipPixels == param) - return; - FLUSH_VERTICES(ctx, _NEW_PACKUNPACK); - ctx->Unpack.SkipPixels = param; - break; - case GL_UNPACK_SKIP_ROWS: - if (param<0) { - _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" ); - return; - } - if (ctx->Unpack.SkipRows == param) - return; - FLUSH_VERTICES(ctx, _NEW_PACKUNPACK); - ctx->Unpack.SkipRows = param; - break; - case GL_UNPACK_SKIP_IMAGES: - if (param < 0) { - _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" ); - return; - } - if (ctx->Unpack.SkipImages == param) - return; - FLUSH_VERTICES(ctx, _NEW_PACKUNPACK); - ctx->Unpack.SkipImages = param; - break; - case GL_UNPACK_ALIGNMENT: - if (param!=1 && param!=2 && param!=4 && param!=8) { - _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore" ); - return; - } - if (ctx->Unpack.Alignment == param) - return; - FLUSH_VERTICES(ctx, _NEW_PACKUNPACK); - ctx->Unpack.Alignment = param; - break; - case GL_UNPACK_CLIENT_STORAGE_APPLE: - if (param == (GLint)ctx->Unpack.ClientStorage) - return; - FLUSH_VERTICES(ctx, _NEW_PACKUNPACK); - ctx->Unpack.ClientStorage = param ? GL_TRUE : GL_FALSE; - break; - default: - _mesa_error( ctx, GL_INVALID_ENUM, "glPixelStore" ); - return; - } -} - - -void GLAPIENTRY -_mesa_PixelStoref( GLenum pname, GLfloat param ) -{ - _mesa_PixelStorei( pname, (GLint) param ); -} - - - -/**********************************************************************/ -/***** glPixelMap *****/ -/**********************************************************************/ - - -/** - * Helper routine used by the other _mesa_PixelMap() functions. - */ -static void -pixelmap(GLcontext *ctx, GLenum map, GLsizei mapsize, const GLfloat *values) -{ - GLint i; - switch (map) { - case GL_PIXEL_MAP_S_TO_S: - ctx->Pixel.MapStoSsize = mapsize; - for (i = 0; i < mapsize; i++) { - ctx->Pixel.MapStoS[i] = IROUND(values[i]); - } - break; - case GL_PIXEL_MAP_I_TO_I: - ctx->Pixel.MapItoIsize = mapsize; - for (i = 0; i < mapsize; i++) { - ctx->Pixel.MapItoI[i] = values[i]; - } - break; - case GL_PIXEL_MAP_I_TO_R: - ctx->Pixel.MapItoRsize = mapsize; - for (i = 0; i < mapsize; i++) { - GLfloat val = CLAMP( values[i], 0.0F, 1.0F ); - ctx->Pixel.MapItoR[i] = val; - ctx->Pixel.MapItoR8[i] = (GLint) (val * 255.0F); - } - break; - case GL_PIXEL_MAP_I_TO_G: - ctx->Pixel.MapItoGsize = mapsize; - for (i = 0; i < mapsize; i++) { - GLfloat val = CLAMP( values[i], 0.0F, 1.0F ); - ctx->Pixel.MapItoG[i] = val; - ctx->Pixel.MapItoG8[i] = (GLint) (val * 255.0F); - } - break; - case GL_PIXEL_MAP_I_TO_B: - ctx->Pixel.MapItoBsize = mapsize; - for (i = 0; i < mapsize; i++) { - GLfloat val = CLAMP( values[i], 0.0F, 1.0F ); - ctx->Pixel.MapItoB[i] = val; - ctx->Pixel.MapItoB8[i] = (GLint) (val * 255.0F); - } - break; - case GL_PIXEL_MAP_I_TO_A: - ctx->Pixel.MapItoAsize = mapsize; - for (i = 0; i < mapsize; i++) { - GLfloat val = CLAMP( values[i], 0.0F, 1.0F ); - ctx->Pixel.MapItoA[i] = val; - ctx->Pixel.MapItoA8[i] = (GLint) (val * 255.0F); - } - break; - case GL_PIXEL_MAP_R_TO_R: - ctx->Pixel.MapRtoRsize = mapsize; - for (i = 0; i < mapsize; i++) { - ctx->Pixel.MapRtoR[i] = CLAMP( values[i], 0.0F, 1.0F ); - } - break; - case GL_PIXEL_MAP_G_TO_G: - ctx->Pixel.MapGtoGsize = mapsize; - for (i = 0; i < mapsize; i++) { - ctx->Pixel.MapGtoG[i] = CLAMP( values[i], 0.0F, 1.0F ); - } - break; - case GL_PIXEL_MAP_B_TO_B: - ctx->Pixel.MapBtoBsize = mapsize; - for (i = 0; i < mapsize; i++) { - ctx->Pixel.MapBtoB[i] = CLAMP( values[i], 0.0F, 1.0F ); - } - break; - case GL_PIXEL_MAP_A_TO_A: - ctx->Pixel.MapAtoAsize = mapsize; - for (i = 0; i < mapsize; i++) { - ctx->Pixel.MapAtoA[i] = CLAMP( values[i], 0.0F, 1.0F ); - } - break; - default: - _mesa_error( ctx, GL_INVALID_ENUM, "glPixelMap(map)" ); - } -} - - -void GLAPIENTRY -_mesa_PixelMapfv( GLenum map, GLsizei mapsize, const GLfloat *values ) -{ - GET_CURRENT_CONTEXT(ctx); - ASSERT_OUTSIDE_BEGIN_END(ctx); - - /* XXX someday, test against ctx->Const.MaxPixelMapTableSize */ - if (mapsize < 1 || mapsize > MAX_PIXEL_MAP_TABLE) { - _mesa_error( ctx, GL_INVALID_VALUE, "glPixelMapfv(mapsize)" ); - return; - } - - if (map >= GL_PIXEL_MAP_S_TO_S && map <= GL_PIXEL_MAP_I_TO_A) { - /* test that mapsize is a power of two */ - if (_mesa_bitcount((GLuint) mapsize) != 1) { - _mesa_error( ctx, GL_INVALID_VALUE, "glPixelMapfv(mapsize)" ); - return; - } - } - - FLUSH_VERTICES(ctx, _NEW_PIXEL); - - if (ctx->Unpack.BufferObj->Name) { - /* unpack pixelmap from PBO */ - GLubyte *buf; - /* Note, need to use DefaultPacking and Unpack's buffer object */ - ctx->DefaultPacking.BufferObj = ctx->Unpack.BufferObj; - if (!_mesa_validate_pbo_access(1, &ctx->DefaultPacking, mapsize, 1, 1, - GL_INTENSITY, GL_FLOAT, values)) { - _mesa_error(ctx, GL_INVALID_OPERATION, - "glPixelMapfv(invalid PBO access)"); - return; - } - /* restore */ - ctx->DefaultPacking.BufferObj = ctx->Array.NullBufferObj; - buf = (GLubyte *) ctx->Driver.MapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT, - GL_READ_ONLY_ARB, - ctx->Unpack.BufferObj); - if (!buf) { - /* buffer is already mapped - that's an error */ - _mesa_error(ctx, GL_INVALID_OPERATION, - "glPixelMapfv(PBO is mapped)"); - return; - } - values = (const GLfloat *) ADD_POINTERS(buf, values); - } - else if (!values) { - return; - } - - pixelmap(ctx, map, mapsize, values); - - if (ctx->Unpack.BufferObj->Name) { - ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT, - ctx->Unpack.BufferObj); - } -} - - - -void GLAPIENTRY -_mesa_PixelMapuiv(GLenum map, GLsizei mapsize, const GLuint *values ) -{ - GLfloat fvalues[MAX_PIXEL_MAP_TABLE]; - GET_CURRENT_CONTEXT(ctx); - ASSERT_OUTSIDE_BEGIN_END(ctx); - - if (mapsize < 1 || mapsize > MAX_PIXEL_MAP_TABLE) { - _mesa_error( ctx, GL_INVALID_VALUE, "glPixelMapuiv(mapsize)" ); - return; - } - - if (map >= GL_PIXEL_MAP_S_TO_S && map <= GL_PIXEL_MAP_I_TO_A) { - /* test that mapsize is a power of two */ - if (_mesa_bitcount((GLuint) mapsize) != 1) { - _mesa_error( ctx, GL_INVALID_VALUE, "glPixelMapuiv(mapsize)" ); - return; - } - } - - FLUSH_VERTICES(ctx, _NEW_PIXEL); - - if (ctx->Unpack.BufferObj->Name) { - /* unpack pixelmap from PBO */ - GLubyte *buf; - /* Note, need to use DefaultPacking and Unpack's buffer object */ - ctx->DefaultPacking.BufferObj = ctx->Unpack.BufferObj; - if (!_mesa_validate_pbo_access(1, &ctx->DefaultPacking, mapsize, 1, 1, - GL_INTENSITY, GL_UNSIGNED_INT, values)) { - _mesa_error(ctx, GL_INVALID_OPERATION, - "glPixelMapuiv(invalid PBO access)"); - return; - } - /* restore */ - ctx->DefaultPacking.BufferObj = ctx->Array.NullBufferObj; - buf = (GLubyte *) ctx->Driver.MapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT, - GL_READ_ONLY_ARB, - ctx->Unpack.BufferObj); - if (!buf) { - /* buffer is already mapped - that's an error */ - _mesa_error(ctx, GL_INVALID_OPERATION, - "glPixelMapuiv(PBO is mapped)"); - return; - } - values = (const GLuint *) ADD_POINTERS(buf, values); - } - else if (!values) { - return; - } - - /* convert to floats */ - if (map == GL_PIXEL_MAP_I_TO_I || map == GL_PIXEL_MAP_S_TO_S) { - GLint i; - for (i = 0; i < mapsize; i++) { - fvalues[i] = (GLfloat) values[i]; - } - } - else { - GLint i; - for (i = 0; i < mapsize; i++) { - fvalues[i] = UINT_TO_FLOAT( values[i] ); - } - } - - if (ctx->Unpack.BufferObj->Name) { - ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT, - ctx->Unpack.BufferObj); - } - - pixelmap(ctx, map, mapsize, fvalues); -} - - - -void GLAPIENTRY -_mesa_PixelMapusv(GLenum map, GLsizei mapsize, const GLushort *values ) -{ - GLfloat fvalues[MAX_PIXEL_MAP_TABLE]; - GET_CURRENT_CONTEXT(ctx); - ASSERT_OUTSIDE_BEGIN_END(ctx); - - if (mapsize < 1 || mapsize > MAX_PIXEL_MAP_TABLE) { - _mesa_error( ctx, GL_INVALID_VALUE, "glPixelMapusv(mapsize)" ); - return; - } - - if (map >= GL_PIXEL_MAP_S_TO_S && map <= GL_PIXEL_MAP_I_TO_A) { - /* test that mapsize is a power of two */ - if (_mesa_bitcount((GLuint) mapsize) != 1) { - _mesa_error( ctx, GL_INVALID_VALUE, "glPixelMapuiv(mapsize)" ); - return; - } - } - - FLUSH_VERTICES(ctx, _NEW_PIXEL); - - if (ctx->Unpack.BufferObj->Name) { - /* unpack pixelmap from PBO */ - GLubyte *buf; - /* Note, need to use DefaultPacking and Unpack's buffer object */ - ctx->DefaultPacking.BufferObj = ctx->Unpack.BufferObj; - if (!_mesa_validate_pbo_access(1, &ctx->DefaultPacking, mapsize, 1, 1, - GL_INTENSITY, GL_UNSIGNED_SHORT, - values)) { - _mesa_error(ctx, GL_INVALID_OPERATION, - "glPixelMapusv(invalid PBO access)"); - return; - } - /* restore */ - ctx->DefaultPacking.BufferObj = ctx->Array.NullBufferObj; - buf = (GLubyte *) ctx->Driver.MapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT, - GL_READ_ONLY_ARB, - ctx->Unpack.BufferObj); - if (!buf) { - /* buffer is already mapped - that's an error */ - _mesa_error(ctx, GL_INVALID_OPERATION, - "glPixelMapusv(PBO is mapped)"); - return; - } - values = (const GLushort *) ADD_POINTERS(buf, values); - } - else if (!values) { - return; - } - - /* convert to floats */ - if (map == GL_PIXEL_MAP_I_TO_I || map == GL_PIXEL_MAP_S_TO_S) { - GLint i; - for (i = 0; i < mapsize; i++) { - fvalues[i] = (GLfloat) values[i]; - } - } - else { - GLint i; - for (i = 0; i < mapsize; i++) { - fvalues[i] = USHORT_TO_FLOAT( values[i] ); - } - } - - if (ctx->Unpack.BufferObj->Name) { - ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT, - ctx->Unpack.BufferObj); - } - - pixelmap(ctx, map, mapsize, fvalues); -} - - -/** - * Return size of the named map. - */ -static GLuint -get_map_size(GLcontext *ctx, GLenum map) -{ - switch (map) { - case GL_PIXEL_MAP_I_TO_I: - return ctx->Pixel.MapItoIsize; - case GL_PIXEL_MAP_S_TO_S: - return ctx->Pixel.MapStoSsize; - case GL_PIXEL_MAP_I_TO_R: - return ctx->Pixel.MapItoRsize; - case GL_PIXEL_MAP_I_TO_G: - return ctx->Pixel.MapItoGsize; - case GL_PIXEL_MAP_I_TO_B: - return ctx->Pixel.MapItoBsize; - case GL_PIXEL_MAP_I_TO_A: - return ctx->Pixel.MapItoAsize; - case GL_PIXEL_MAP_R_TO_R: - return ctx->Pixel.MapRtoRsize; - case GL_PIXEL_MAP_G_TO_G: - return ctx->Pixel.MapGtoGsize; - case GL_PIXEL_MAP_B_TO_B: - return ctx->Pixel.MapBtoBsize; - case GL_PIXEL_MAP_A_TO_A: - return ctx->Pixel.MapAtoAsize; - default: - return 0; - } -} - - -void GLAPIENTRY -_mesa_GetPixelMapfv( GLenum map, GLfloat *values ) -{ - GET_CURRENT_CONTEXT(ctx); - GLuint mapsize, i; - ASSERT_OUTSIDE_BEGIN_END(ctx); - - mapsize = get_map_size(ctx, map); - - if (ctx->Pack.BufferObj->Name) { - /* pack pixelmap into PBO */ - GLubyte *buf; - /* Note, need to use DefaultPacking and Pack's buffer object */ - ctx->DefaultPacking.BufferObj = ctx->Pack.BufferObj; - if (!_mesa_validate_pbo_access(1, &ctx->DefaultPacking, mapsize, 1, 1, - GL_INTENSITY, GL_FLOAT, values)) { - _mesa_error(ctx, GL_INVALID_OPERATION, - "glGetPixelMapfv(invalid PBO access)"); - return; - } - /* restore */ - ctx->DefaultPacking.BufferObj = ctx->Array.NullBufferObj; - 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, - "glGetPixelMapfv(PBO is mapped)"); - return; - } - values = (GLfloat *) ADD_POINTERS(buf, values); - } - else if (!values) { - return; - } - - switch (map) { - case GL_PIXEL_MAP_I_TO_I: - MEMCPY(values, ctx->Pixel.MapItoI, mapsize * sizeof(GLfloat)); - break; - case GL_PIXEL_MAP_S_TO_S: - for (i = 0; i < mapsize; i++) { - values[i] = (GLfloat) ctx->Pixel.MapStoS[i]; - } - break; - case GL_PIXEL_MAP_I_TO_R: - MEMCPY(values, ctx->Pixel.MapItoR, mapsize * sizeof(GLfloat)); - break; - case GL_PIXEL_MAP_I_TO_G: - MEMCPY(values, ctx->Pixel.MapItoG, mapsize * sizeof(GLfloat)); - break; - case GL_PIXEL_MAP_I_TO_B: - MEMCPY(values, ctx->Pixel.MapItoB, mapsize * sizeof(GLfloat)); - break; - case GL_PIXEL_MAP_I_TO_A: - MEMCPY(values, ctx->Pixel.MapItoA, mapsize * sizeof(GLfloat)); - break; - case GL_PIXEL_MAP_R_TO_R: - MEMCPY(values, ctx->Pixel.MapRtoR, mapsize * sizeof(GLfloat)); - break; - case GL_PIXEL_MAP_G_TO_G: - MEMCPY(values, ctx->Pixel.MapGtoG, mapsize * sizeof(GLfloat)); - break; - case GL_PIXEL_MAP_B_TO_B: - MEMCPY(values, ctx->Pixel.MapBtoB, mapsize * sizeof(GLfloat)); - break; - case GL_PIXEL_MAP_A_TO_A: - MEMCPY(values, ctx->Pixel.MapAtoA, mapsize * sizeof(GLfloat)); - break; - default: - _mesa_error( ctx, GL_INVALID_ENUM, "glGetPixelMapfv" ); - } - - if (ctx->Pack.BufferObj->Name) { - ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_PACK_BUFFER_EXT, - ctx->Pack.BufferObj); - } -} - - -void GLAPIENTRY -_mesa_GetPixelMapuiv( GLenum map, GLuint *values ) -{ - GET_CURRENT_CONTEXT(ctx); - GLint mapsize, i; - ASSERT_OUTSIDE_BEGIN_END(ctx); - - mapsize = get_map_size(ctx, map); - - if (ctx->Pack.BufferObj->Name) { - /* pack pixelmap into PBO */ - GLubyte *buf; - /* Note, need to use DefaultPacking and Pack's buffer object */ - ctx->DefaultPacking.BufferObj = ctx->Pack.BufferObj; - if (!_mesa_validate_pbo_access(1, &ctx->DefaultPacking, mapsize, 1, 1, - GL_INTENSITY, GL_UNSIGNED_INT, values)) { - _mesa_error(ctx, GL_INVALID_OPERATION, - "glGetPixelMapuiv(invalid PBO access)"); - return; - } - /* restore */ - ctx->DefaultPacking.BufferObj = ctx->Array.NullBufferObj; - 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, - "glGetPixelMapuiv(PBO is mapped)"); - return; - } - values = (GLuint *) ADD_POINTERS(buf, values); - } - else if (!values) { - return; - } - - switch (map) { - case GL_PIXEL_MAP_I_TO_I: - for (i = 0; i < mapsize; i++) { - values[i] = FLOAT_TO_UINT( ctx->Pixel.MapItoI[i] ); - } - break; - case GL_PIXEL_MAP_S_TO_S: - MEMCPY(values, ctx->Pixel.MapStoS, mapsize * sizeof(GLint)); - break; - case GL_PIXEL_MAP_I_TO_R: - for (i = 0; i < mapsize; i++) { - values[i] = FLOAT_TO_UINT( ctx->Pixel.MapItoR[i] ); - } - break; - case GL_PIXEL_MAP_I_TO_G: - for (i = 0; i < mapsize; i++) { - values[i] = FLOAT_TO_UINT( ctx->Pixel.MapItoG[i] ); - } - break; - case GL_PIXEL_MAP_I_TO_B: - for (i = 0; i < mapsize; i++) { - values[i] = FLOAT_TO_UINT( ctx->Pixel.MapItoB[i] ); - } - break; - case GL_PIXEL_MAP_I_TO_A: - for (i = 0; i < mapsize; i++) { - values[i] = FLOAT_TO_UINT( ctx->Pixel.MapItoA[i] ); - } - break; - case GL_PIXEL_MAP_R_TO_R: - for (i = 0; i < mapsize; i++) { - values[i] = FLOAT_TO_UINT( ctx->Pixel.MapRtoR[i] ); - } - break; - case GL_PIXEL_MAP_G_TO_G: - for (i = 0; i < mapsize; i++) { - values[i] = FLOAT_TO_UINT( ctx->Pixel.MapGtoG[i] ); - } - break; - case GL_PIXEL_MAP_B_TO_B: - for (i = 0; i < mapsize; i++) { - values[i] = FLOAT_TO_UINT( ctx->Pixel.MapBtoB[i] ); - } - break; - case GL_PIXEL_MAP_A_TO_A: - for (i = 0; i < mapsize; i++) { - values[i] = FLOAT_TO_UINT( ctx->Pixel.MapAtoA[i] ); - } - break; - default: - _mesa_error( ctx, GL_INVALID_ENUM, "glGetPixelMapfv" ); - } - - if (ctx->Pack.BufferObj->Name) { - ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_PACK_BUFFER_EXT, - ctx->Pack.BufferObj); - } -} - - -void GLAPIENTRY -_mesa_GetPixelMapusv( GLenum map, GLushort *values ) -{ - GET_CURRENT_CONTEXT(ctx); - GLint mapsize, i; - ASSERT_OUTSIDE_BEGIN_END(ctx); - - mapsize = get_map_size(ctx, map); - - if (ctx->Pack.BufferObj->Name) { - /* pack pixelmap into PBO */ - GLubyte *buf; - /* Note, need to use DefaultPacking and Pack's buffer object */ - ctx->DefaultPacking.BufferObj = ctx->Pack.BufferObj; - if (!_mesa_validate_pbo_access(1, &ctx->DefaultPacking, mapsize, 1, 1, - GL_INTENSITY, GL_UNSIGNED_SHORT, - values)) { - _mesa_error(ctx, GL_INVALID_OPERATION, - "glGetPixelMapusv(invalid PBO access)"); - return; - } - /* restore */ - ctx->DefaultPacking.BufferObj = ctx->Array.NullBufferObj; - 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, - "glGetPixelMapusv(PBO is mapped)"); - return; - } - values = (GLushort *) ADD_POINTERS(buf, values); - } - else if (!values) { - return; - } - - switch (map) { - case GL_PIXEL_MAP_I_TO_I: - for (i = 0; i < mapsize; i++) { - values[i] = (GLushort) CLAMP(ctx->Pixel.MapItoI[i], 0.0, 65535.0); - } - break; - case GL_PIXEL_MAP_S_TO_S: - for (i = 0; i < mapsize; i++) { - values[i] = (GLushort) CLAMP(ctx->Pixel.MapStoS[i], 0.0, 65535.0); - } - break; - case GL_PIXEL_MAP_I_TO_R: - for (i = 0; i < mapsize; i++) { - CLAMPED_FLOAT_TO_USHORT(values[i] , ctx->Pixel.MapItoR[i] ); - } - break; - case GL_PIXEL_MAP_I_TO_G: - for (i = 0; i < mapsize; i++) { - CLAMPED_FLOAT_TO_USHORT(values[i] , ctx->Pixel.MapItoG[i] ); - } - break; - case GL_PIXEL_MAP_I_TO_B: - for (i = 0; i < mapsize; i++) { - CLAMPED_FLOAT_TO_USHORT(values[i] , ctx->Pixel.MapItoB[i] ); - } - break; - case GL_PIXEL_MAP_I_TO_A: - for (i = 0; i < mapsize; i++) { - CLAMPED_FLOAT_TO_USHORT(values[i] , ctx->Pixel.MapItoA[i] ); - } - break; - case GL_PIXEL_MAP_R_TO_R: - for (i = 0; i < mapsize; i++) { - CLAMPED_FLOAT_TO_USHORT(values[i] , ctx->Pixel.MapRtoR[i] ); - } - break; - case GL_PIXEL_MAP_G_TO_G: - for (i = 0; i < mapsize; i++) { - CLAMPED_FLOAT_TO_USHORT(values[i] , ctx->Pixel.MapGtoG[i] ); - } - break; - case GL_PIXEL_MAP_B_TO_B: - for (i = 0; i < mapsize; i++) { - CLAMPED_FLOAT_TO_USHORT(values[i] , ctx->Pixel.MapBtoB[i] ); - } - break; - case GL_PIXEL_MAP_A_TO_A: - for (i = 0; i < mapsize; i++) { - CLAMPED_FLOAT_TO_USHORT(values[i] , ctx->Pixel.MapAtoA[i] ); - } - break; - default: - _mesa_error( ctx, GL_INVALID_ENUM, "glGetPixelMapfv" ); - } - - if (ctx->Pack.BufferObj->Name) { - ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_PACK_BUFFER_EXT, - ctx->Pack.BufferObj); - } -} - - - -/**********************************************************************/ -/***** glPixelTransfer *****/ -/**********************************************************************/ - - -/* - * Implements glPixelTransfer[fi] whether called immediately or from a - * display list. - */ -void GLAPIENTRY -_mesa_PixelTransferf( GLenum pname, GLfloat param ) -{ - GET_CURRENT_CONTEXT(ctx); - ASSERT_OUTSIDE_BEGIN_END(ctx); - - switch (pname) { - case GL_MAP_COLOR: - if (ctx->Pixel.MapColorFlag == (param ? GL_TRUE : GL_FALSE)) - return; - FLUSH_VERTICES(ctx, _NEW_PIXEL); - ctx->Pixel.MapColorFlag = param ? GL_TRUE : GL_FALSE; - break; - case GL_MAP_STENCIL: - if (ctx->Pixel.MapStencilFlag == (param ? GL_TRUE : GL_FALSE)) - return; - FLUSH_VERTICES(ctx, _NEW_PIXEL); - ctx->Pixel.MapStencilFlag = param ? GL_TRUE : GL_FALSE; - break; - case GL_INDEX_SHIFT: - if (ctx->Pixel.IndexShift == (GLint) param) - return; - FLUSH_VERTICES(ctx, _NEW_PIXEL); - ctx->Pixel.IndexShift = (GLint) param; - break; - case GL_INDEX_OFFSET: - if (ctx->Pixel.IndexOffset == (GLint) param) - return; - FLUSH_VERTICES(ctx, _NEW_PIXEL); - ctx->Pixel.IndexOffset = (GLint) param; - break; - case GL_RED_SCALE: - if (ctx->Pixel.RedScale == param) - return; - FLUSH_VERTICES(ctx, _NEW_PIXEL); - ctx->Pixel.RedScale = param; - break; - case GL_RED_BIAS: - if (ctx->Pixel.RedBias == param) - return; - FLUSH_VERTICES(ctx, _NEW_PIXEL); - ctx->Pixel.RedBias = param; - break; - case GL_GREEN_SCALE: - if (ctx->Pixel.GreenScale == param) - return; - FLUSH_VERTICES(ctx, _NEW_PIXEL); - ctx->Pixel.GreenScale = param; - break; - case GL_GREEN_BIAS: - if (ctx->Pixel.GreenBias == param) - return; - FLUSH_VERTICES(ctx, _NEW_PIXEL); - ctx->Pixel.GreenBias = param; - break; - case GL_BLUE_SCALE: - if (ctx->Pixel.BlueScale == param) - return; - FLUSH_VERTICES(ctx, _NEW_PIXEL); - ctx->Pixel.BlueScale = param; - break; - case GL_BLUE_BIAS: - if (ctx->Pixel.BlueBias == param) - return; - FLUSH_VERTICES(ctx, _NEW_PIXEL); - ctx->Pixel.BlueBias = param; - break; - case GL_ALPHA_SCALE: - if (ctx->Pixel.AlphaScale == param) - return; - FLUSH_VERTICES(ctx, _NEW_PIXEL); - ctx->Pixel.AlphaScale = param; - break; - case GL_ALPHA_BIAS: - if (ctx->Pixel.AlphaBias == param) - return; - FLUSH_VERTICES(ctx, _NEW_PIXEL); - ctx->Pixel.AlphaBias = param; - break; - case GL_DEPTH_SCALE: - if (ctx->Pixel.DepthScale == param) - return; - FLUSH_VERTICES(ctx, _NEW_PIXEL); - ctx->Pixel.DepthScale = param; - break; - case GL_DEPTH_BIAS: - if (ctx->Pixel.DepthBias == param) - return; - FLUSH_VERTICES(ctx, _NEW_PIXEL); - ctx->Pixel.DepthBias = param; - break; - case GL_POST_COLOR_MATRIX_RED_SCALE: - if (ctx->Pixel.PostColorMatrixScale[0] == param) - return; - FLUSH_VERTICES(ctx, _NEW_PIXEL); - ctx->Pixel.PostColorMatrixScale[0] = param; - break; - case GL_POST_COLOR_MATRIX_RED_BIAS: - if (ctx->Pixel.PostColorMatrixBias[0] == param) - return; - FLUSH_VERTICES(ctx, _NEW_PIXEL); - ctx->Pixel.PostColorMatrixBias[0] = param; - break; - case GL_POST_COLOR_MATRIX_GREEN_SCALE: - if (ctx->Pixel.PostColorMatrixScale[1] == param) - return; - FLUSH_VERTICES(ctx, _NEW_PIXEL); - ctx->Pixel.PostColorMatrixScale[1] = param; - break; - case GL_POST_COLOR_MATRIX_GREEN_BIAS: - if (ctx->Pixel.PostColorMatrixBias[1] == param) - return; - FLUSH_VERTICES(ctx, _NEW_PIXEL); - ctx->Pixel.PostColorMatrixBias[1] = param; - break; - case GL_POST_COLOR_MATRIX_BLUE_SCALE: - if (ctx->Pixel.PostColorMatrixScale[2] == param) - return; - FLUSH_VERTICES(ctx, _NEW_PIXEL); - ctx->Pixel.PostColorMatrixScale[2] = param; - break; - case GL_POST_COLOR_MATRIX_BLUE_BIAS: - if (ctx->Pixel.PostColorMatrixBias[2] == param) - return; - FLUSH_VERTICES(ctx, _NEW_PIXEL); - ctx->Pixel.PostColorMatrixBias[2] = param; - break; - case GL_POST_COLOR_MATRIX_ALPHA_SCALE: - if (ctx->Pixel.PostColorMatrixScale[3] == param) - return; - FLUSH_VERTICES(ctx, _NEW_PIXEL); - ctx->Pixel.PostColorMatrixScale[3] = param; - break; - case GL_POST_COLOR_MATRIX_ALPHA_BIAS: - if (ctx->Pixel.PostColorMatrixBias[3] == param) - return; - FLUSH_VERTICES(ctx, _NEW_PIXEL); - ctx->Pixel.PostColorMatrixBias[3] = param; - break; - case GL_POST_CONVOLUTION_RED_SCALE: - if (ctx->Pixel.PostConvolutionScale[0] == param) - return; - FLUSH_VERTICES(ctx, _NEW_PIXEL); - ctx->Pixel.PostConvolutionScale[0] = param; - break; - case GL_POST_CONVOLUTION_RED_BIAS: - if (ctx->Pixel.PostConvolutionBias[0] == param) - return; - FLUSH_VERTICES(ctx, _NEW_PIXEL); - ctx->Pixel.PostConvolutionBias[0] = param; - break; - case GL_POST_CONVOLUTION_GREEN_SCALE: - if (ctx->Pixel.PostConvolutionScale[1] == param) - return; - FLUSH_VERTICES(ctx, _NEW_PIXEL); - ctx->Pixel.PostConvolutionScale[1] = param; - break; - case GL_POST_CONVOLUTION_GREEN_BIAS: - if (ctx->Pixel.PostConvolutionBias[1] == param) - return; - FLUSH_VERTICES(ctx, _NEW_PIXEL); - ctx->Pixel.PostConvolutionBias[1] = param; - break; - case GL_POST_CONVOLUTION_BLUE_SCALE: - if (ctx->Pixel.PostConvolutionScale[2] == param) - return; - FLUSH_VERTICES(ctx, _NEW_PIXEL); - ctx->Pixel.PostConvolutionScale[2] = param; - break; - case GL_POST_CONVOLUTION_BLUE_BIAS: - if (ctx->Pixel.PostConvolutionBias[2] == param) - return; - FLUSH_VERTICES(ctx, _NEW_PIXEL); - ctx->Pixel.PostConvolutionBias[2] = param; - break; - case GL_POST_CONVOLUTION_ALPHA_SCALE: - if (ctx->Pixel.PostConvolutionScale[2] == param) - return; - FLUSH_VERTICES(ctx, _NEW_PIXEL); - ctx->Pixel.PostConvolutionScale[2] = param; - break; - case GL_POST_CONVOLUTION_ALPHA_BIAS: - if (ctx->Pixel.PostConvolutionBias[2] == param) - return; - FLUSH_VERTICES(ctx, _NEW_PIXEL); - ctx->Pixel.PostConvolutionBias[2] = param; - break; - default: - _mesa_error( ctx, GL_INVALID_ENUM, "glPixelTransfer(pname)" ); - return; - } -} - - -void GLAPIENTRY -_mesa_PixelTransferi( GLenum pname, GLint param ) -{ - _mesa_PixelTransferf( pname, (GLfloat) param ); -} - - - -/**********************************************************************/ -/***** Pixel processing functions ******/ -/**********************************************************************/ - -/* - * Apply scale and bias factors to an array of RGBA pixels. - */ -void -_mesa_scale_and_bias_rgba(GLuint n, GLfloat rgba[][4], - GLfloat rScale, GLfloat gScale, - GLfloat bScale, GLfloat aScale, - GLfloat rBias, GLfloat gBias, - GLfloat bBias, GLfloat aBias) -{ - if (rScale != 1.0 || rBias != 0.0) { - GLuint i; - for (i = 0; i < n; i++) { - rgba[i][RCOMP] = rgba[i][RCOMP] * rScale + rBias; - } - } - if (gScale != 1.0 || gBias != 0.0) { - GLuint i; - for (i = 0; i < n; i++) { - rgba[i][GCOMP] = rgba[i][GCOMP] * gScale + gBias; - } - } - if (bScale != 1.0 || bBias != 0.0) { - GLuint i; - for (i = 0; i < n; i++) { - rgba[i][BCOMP] = rgba[i][BCOMP] * bScale + bBias; - } - } - if (aScale != 1.0 || aBias != 0.0) { - GLuint i; - for (i = 0; i < n; i++) { - rgba[i][ACOMP] = rgba[i][ACOMP] * aScale + aBias; - } - } -} - - -/* - * Apply pixel mapping to an array of floating point RGBA pixels. - */ -void -_mesa_map_rgba( const GLcontext *ctx, GLuint n, GLfloat rgba[][4] ) -{ - const GLfloat rscale = (GLfloat) (ctx->Pixel.MapRtoRsize - 1); - const GLfloat gscale = (GLfloat) (ctx->Pixel.MapGtoGsize - 1); - const GLfloat bscale = (GLfloat) (ctx->Pixel.MapBtoBsize - 1); - const GLfloat ascale = (GLfloat) (ctx->Pixel.MapAtoAsize - 1); - const GLfloat *rMap = ctx->Pixel.MapRtoR; - const GLfloat *gMap = ctx->Pixel.MapGtoG; - const GLfloat *bMap = ctx->Pixel.MapBtoB; - const GLfloat *aMap = ctx->Pixel.MapAtoA; - GLuint i; - for (i=0;iPixel.PostColorMatrixScale[0]; - const GLfloat rb = ctx->Pixel.PostColorMatrixBias[0]; - const GLfloat gs = ctx->Pixel.PostColorMatrixScale[1]; - const GLfloat gb = ctx->Pixel.PostColorMatrixBias[1]; - const GLfloat bs = ctx->Pixel.PostColorMatrixScale[2]; - const GLfloat bb = ctx->Pixel.PostColorMatrixBias[2]; - const GLfloat as = ctx->Pixel.PostColorMatrixScale[3]; - const GLfloat ab = ctx->Pixel.PostColorMatrixBias[3]; - const GLfloat *m = ctx->ColorMatrixStack.Top->m; - GLuint i; - for (i = 0; i < n; i++) { - const GLfloat r = rgba[i][RCOMP]; - const GLfloat g = rgba[i][GCOMP]; - const GLfloat b = rgba[i][BCOMP]; - const GLfloat a = rgba[i][ACOMP]; - rgba[i][RCOMP] = (m[0] * r + m[4] * g + m[ 8] * b + m[12] * a) * rs + rb; - rgba[i][GCOMP] = (m[1] * r + m[5] * g + m[ 9] * b + m[13] * a) * gs + gb; - rgba[i][BCOMP] = (m[2] * r + m[6] * g + m[10] * b + m[14] * a) * bs + bb; - rgba[i][ACOMP] = (m[3] * r + m[7] * g + m[11] * b + m[15] * a) * as + ab; - } -} - - -/** - * Apply a color table lookup to an array of floating point RGBA colors. - */ -void -_mesa_lookup_rgba_float(const struct gl_color_table *table, - GLuint n, GLfloat rgba[][4]) -{ - if (!table->Table || table->Size == 0) - return; - - switch (table->Format) { - case GL_INTENSITY: - /* replace RGBA with I */ - if (table->Type == GL_FLOAT) { - const GLint max = table->Size - 1; - const GLfloat scale = (GLfloat) max; - const GLfloat *lut = (const GLfloat *) table->Table; - GLuint i; - for (i = 0; i < n; i++) { - GLint j = IROUND(rgba[i][RCOMP] * scale); - GLfloat c = lut[CLAMP(j, 0, max)]; - rgba[i][RCOMP] = rgba[i][GCOMP] = - rgba[i][BCOMP] = rgba[i][ACOMP] = c; - } - } - else { - const GLint max = table->Size - 1; - const GLfloat scale = (GLfloat) max; - const GLchan *lut = (const GLchan *) table->Table; - GLuint i; - for (i = 0; i < n; i++) { - GLint j = IROUND(rgba[i][RCOMP] * scale); - GLfloat c = CHAN_TO_FLOAT(lut[CLAMP(j, 0, max)]); - rgba[i][RCOMP] = rgba[i][GCOMP] = - rgba[i][BCOMP] = rgba[i][ACOMP] = c; - } - } - break; - case GL_LUMINANCE: - /* replace RGB with L */ - if (table->Type == GL_FLOAT) { - const GLint max = table->Size - 1; - const GLfloat scale = (GLfloat) max; - const GLfloat *lut = (const GLfloat *) table->Table; - GLuint i; - for (i = 0; i < n; i++) { - GLint j = IROUND(rgba[i][RCOMP] * scale); - GLfloat c = lut[CLAMP(j, 0, max)]; - rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = c; - } - } - else { - const GLint max = table->Size - 1; - const GLfloat scale = (GLfloat) max; - const GLchan *lut = (const GLchan *) table->Table; - GLuint i; - for (i = 0; i < n; i++) { - GLint j = IROUND(rgba[i][RCOMP] * scale); - GLfloat c = CHAN_TO_FLOAT(lut[CLAMP(j, 0, max)]); - rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = c; - } - } - break; - case GL_ALPHA: - /* replace A with A */ - if (table->Type == GL_FLOAT) { - const GLint max = table->Size - 1; - const GLfloat scale = (GLfloat) max; - const GLfloat *lut = (const GLfloat *) table->Table; - GLuint i; - for (i = 0; i < n; i++) { - GLint j = IROUND(rgba[i][ACOMP] * scale); - rgba[i][ACOMP] = lut[CLAMP(j, 0, max)]; - } - } - else { - const GLint max = table->Size - 1; - const GLfloat scale = (GLfloat) max; - const GLchan *lut = (const GLchan *) table->Table; - GLuint i; - for (i = 0; i < n; i++) { - GLint j = IROUND(rgba[i][ACOMP] * scale); - rgba[i][ACOMP] = CHAN_TO_FLOAT(lut[CLAMP(j, 0, max)]); - } - } - break; - case GL_LUMINANCE_ALPHA: - /* replace RGBA with LLLA */ - if (table->Type == GL_FLOAT) { - const GLint max = table->Size - 1; - const GLfloat scale = (GLfloat) max; - const GLfloat *lut = (const GLfloat *) table->Table; - GLuint i; - for (i = 0; i < n; i++) { - GLint jL = IROUND(rgba[i][RCOMP] * scale); - GLint jA = IROUND(rgba[i][ACOMP] * scale); - GLfloat luminance, alpha; - jL = CLAMP(jL, 0, max); - jA = CLAMP(jA, 0, max); - luminance = lut[jL * 2 + 0]; - alpha = lut[jA * 2 + 1]; - rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = luminance; - rgba[i][ACOMP] = alpha;; - } - } - else { - const GLint max = table->Size - 1; - const GLfloat scale = (GLfloat) max; - const GLchan *lut = (const GLchan *) table->Table; - GLuint i; - for (i = 0; i < n; i++) { - GLint jL = IROUND(rgba[i][RCOMP] * scale); - GLint jA = IROUND(rgba[i][ACOMP] * scale); - GLfloat luminance, alpha; - jL = CLAMP(jL, 0, max); - jA = CLAMP(jA, 0, max); - luminance = CHAN_TO_FLOAT(lut[jL * 2 + 0]); - alpha = CHAN_TO_FLOAT(lut[jA * 2 + 1]); - rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = luminance; - rgba[i][ACOMP] = alpha;; - } - } - break; - case GL_RGB: - /* replace RGB with RGB */ - if (table->Type == GL_FLOAT) { - const GLint max = table->Size - 1; - const GLfloat scale = (GLfloat) max; - const GLfloat *lut = (const GLfloat *) table->Table; - GLuint i; - for (i = 0; i < n; i++) { - GLint jR = IROUND(rgba[i][RCOMP] * scale); - GLint jG = IROUND(rgba[i][GCOMP] * scale); - GLint jB = IROUND(rgba[i][BCOMP] * scale); - jR = CLAMP(jR, 0, max); - jG = CLAMP(jG, 0, max); - jB = CLAMP(jB, 0, max); - rgba[i][RCOMP] = lut[jR * 3 + 0]; - rgba[i][GCOMP] = lut[jG * 3 + 1]; - rgba[i][BCOMP] = lut[jB * 3 + 2]; - } - } - else { - const GLint max = table->Size - 1; - const GLfloat scale = (GLfloat) max; - const GLchan *lut = (const GLchan *) table->Table; - GLuint i; - for (i = 0; i < n; i++) { - GLint jR = IROUND(rgba[i][RCOMP] * scale); - GLint jG = IROUND(rgba[i][GCOMP] * scale); - GLint jB = IROUND(rgba[i][BCOMP] * scale); - jR = CLAMP(jR, 0, max); - jG = CLAMP(jG, 0, max); - jB = CLAMP(jB, 0, max); - rgba[i][RCOMP] = CHAN_TO_FLOAT(lut[jR * 3 + 0]); - rgba[i][GCOMP] = CHAN_TO_FLOAT(lut[jG * 3 + 1]); - rgba[i][BCOMP] = CHAN_TO_FLOAT(lut[jB * 3 + 2]); - } - } - break; - case GL_RGBA: - /* replace RGBA with RGBA */ - if (table->Type == GL_FLOAT) { - const GLint max = table->Size - 1; - const GLfloat scale = (GLfloat) max; - const GLfloat *lut = (const GLfloat *) table->Table; - GLuint i; - for (i = 0; i < n; i++) { - GLint jR = IROUND(rgba[i][RCOMP] * scale); - GLint jG = IROUND(rgba[i][GCOMP] * scale); - GLint jB = IROUND(rgba[i][BCOMP] * scale); - GLint jA = IROUND(rgba[i][ACOMP] * scale); - jR = CLAMP(jR, 0, max); - jG = CLAMP(jG, 0, max); - jB = CLAMP(jB, 0, max); - jA = CLAMP(jA, 0, max); - rgba[i][RCOMP] = lut[jR * 4 + 0]; - rgba[i][GCOMP] = lut[jG * 4 + 1]; - rgba[i][BCOMP] = lut[jB * 4 + 2]; - rgba[i][ACOMP] = lut[jA * 4 + 3]; - } - } - else { - const GLint max = table->Size - 1; - const GLfloat scale = (GLfloat) max; - const GLchan *lut = (const GLchan *) table->Table; - GLuint i; - for (i = 0; i < n; i++) { - GLint jR = IROUND(rgba[i][RCOMP] * scale); - GLint jG = IROUND(rgba[i][GCOMP] * scale); - GLint jB = IROUND(rgba[i][BCOMP] * scale); - GLint jA = IROUND(rgba[i][ACOMP] * scale); - jR = CLAMP(jR, 0, max); - jG = CLAMP(jG, 0, max); - jB = CLAMP(jB, 0, max); - jA = CLAMP(jA, 0, max); - rgba[i][RCOMP] = CHAN_TO_FLOAT(lut[jR * 4 + 0]); - rgba[i][GCOMP] = CHAN_TO_FLOAT(lut[jG * 4 + 1]); - rgba[i][BCOMP] = CHAN_TO_FLOAT(lut[jB * 4 + 2]); - rgba[i][ACOMP] = CHAN_TO_FLOAT(lut[jA * 4 + 3]); - } - } - break; - default: - _mesa_problem(NULL, "Bad format in _mesa_lookup_rgba_float"); - return; - } -} - - - -/** - * Apply a color table lookup to an array of GLchan RGBA colors. - */ -void -_mesa_lookup_rgba_chan(const struct gl_color_table *table, - GLuint n, GLchan rgba[][4]) -{ - if (!table->Table || table->Size == 0) - return; - - switch (table->Format) { - case GL_INTENSITY: - /* replace RGBA with I */ - if (table->Type == GL_FLOAT) { - const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF; - const GLfloat *lut = (const GLfloat *) table->Table; - GLuint i; - for (i = 0; i < n; i++) { - GLint j = IROUND((GLfloat) rgba[i][RCOMP] * scale); - GLchan c; - CLAMPED_FLOAT_TO_CHAN(c, lut[j]); - rgba[i][RCOMP] = rgba[i][GCOMP] = - rgba[i][BCOMP] = rgba[i][ACOMP] = c; - } - } - else { -#if CHAN_TYPE == GL_UNSIGNED_BYTE - if (table->Size == 256) { - /* common case */ - const GLchan *lut = (const GLchan *) table->Table; - GLuint i; - for (i = 0; i < n; i++) { - const GLchan c = lut[rgba[i][RCOMP]]; - rgba[i][RCOMP] = rgba[i][GCOMP] = - rgba[i][BCOMP] = rgba[i][ACOMP] = c; - } - } - else -#endif - { - const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF; - const GLchan *lut = (const GLchan *) table->Table; - GLuint i; - for (i = 0; i < n; i++) { - GLint j = IROUND((GLfloat) rgba[i][RCOMP] * scale); - rgba[i][RCOMP] = rgba[i][GCOMP] = - rgba[i][BCOMP] = rgba[i][ACOMP] = lut[j]; - } - } - } - break; - case GL_LUMINANCE: - /* replace RGB with L */ - if (table->Type == GL_FLOAT) { - const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF; - const GLfloat *lut = (const GLfloat *) table->Table; - GLuint i; - for (i = 0; i < n; i++) { - GLint j = IROUND((GLfloat) rgba[i][RCOMP] * scale); - GLchan c; - CLAMPED_FLOAT_TO_CHAN(c, lut[j]); - rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = c; - } - } - else { -#if CHAN_TYPE == GL_UNSIGNED_BYTE - if (table->Size == 256) { - /* common case */ - const GLchan *lut = (const GLchan *) table->Table; - GLuint i; - for (i = 0; i < n; i++) { - const GLchan c = lut[rgba[i][RCOMP]]; - rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = c; - } - } - else -#endif - { - const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF; - const GLchan *lut = (const GLchan *) table->Table; - GLuint i; - for (i = 0; i < n; i++) { - GLint j = IROUND((GLfloat) rgba[i][RCOMP] * scale); - rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = lut[j]; - } - } - } - break; - case GL_ALPHA: - /* replace A with A */ - if (table->Type == GL_FLOAT) { - const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF; - const GLfloat *lut = (const GLfloat *) table->Table; - GLuint i; - for (i = 0; i < n; i++) { - GLint j = IROUND((GLfloat) rgba[i][ACOMP] * scale); - GLchan c; - CLAMPED_FLOAT_TO_CHAN(c, lut[j]); - rgba[i][ACOMP] = c; - } - } - else { -#if CHAN_TYPE == GL_UNSIGNED_BYTE - if (table->Size == 256) { - /* common case */ - const GLchan *lut = (const GLchan *) table->Table; - GLuint i; - for (i = 0; i < n; i++) { - rgba[i][ACOMP] = lut[rgba[i][ACOMP]]; - } - } - else -#endif - { - const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF; - const GLchan *lut = (const GLchan *) table->Table; - GLuint i; - for (i = 0; i < n; i++) { - GLint j = IROUND((GLfloat) rgba[i][ACOMP] * scale); - rgba[i][ACOMP] = lut[j]; - } - } - } - break; - case GL_LUMINANCE_ALPHA: - /* replace RGBA with LLLA */ - if (table->Type == GL_FLOAT) { - const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF; - const GLfloat *lut = (const GLfloat *) table->Table; - GLuint i; - for (i = 0; i < n; i++) { - GLint jL = IROUND((GLfloat) rgba[i][RCOMP] * scale); - GLint jA = IROUND((GLfloat) rgba[i][ACOMP] * scale); - GLchan luminance, alpha; - CLAMPED_FLOAT_TO_CHAN(luminance, lut[jL * 2 + 0]); - CLAMPED_FLOAT_TO_CHAN(alpha, lut[jA * 2 + 1]); - rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = luminance; - rgba[i][ACOMP] = alpha;; - } - } - else { -#if CHAN_TYPE == GL_UNSIGNED_BYTE - if (table->Size == 256) { - /* common case */ - const GLchan *lut = (const GLchan *) table->Table; - GLuint i; - for (i = 0; i < n; i++) { - GLchan l = lut[rgba[i][RCOMP] * 2 + 0]; - GLchan a = lut[rgba[i][ACOMP] * 2 + 1];; - rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = l; - rgba[i][ACOMP] = a; - } - } - else -#endif - { - const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF; - const GLchan *lut = (const GLchan *) table->Table; - GLuint i; - for (i = 0; i < n; i++) { - GLint jL = IROUND((GLfloat) rgba[i][RCOMP] * scale); - GLint jA = IROUND((GLfloat) rgba[i][ACOMP] * scale); - GLchan luminance = lut[jL * 2 + 0]; - GLchan alpha = lut[jA * 2 + 1]; - rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = luminance; - rgba[i][ACOMP] = alpha; - } - } - } - break; - case GL_RGB: - /* replace RGB with RGB */ - if (table->Type == GL_FLOAT) { - const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF; - const GLfloat *lut = (const GLfloat *) table->Table; - GLuint i; - for (i = 0; i < n; i++) { - GLint jR = IROUND((GLfloat) rgba[i][RCOMP] * scale); - GLint jG = IROUND((GLfloat) rgba[i][GCOMP] * scale); - GLint jB = IROUND((GLfloat) rgba[i][BCOMP] * scale); - CLAMPED_FLOAT_TO_CHAN(rgba[i][RCOMP], lut[jR * 3 + 0]); - CLAMPED_FLOAT_TO_CHAN(rgba[i][GCOMP], lut[jG * 3 + 1]); - CLAMPED_FLOAT_TO_CHAN(rgba[i][BCOMP], lut[jB * 3 + 2]); - } - } - else { -#if CHAN_TYPE == GL_UNSIGNED_BYTE - if (table->Size == 256) { - /* common case */ - const GLchan *lut = (const GLchan *) table->Table; - GLuint i; - for (i = 0; i < n; i++) { - rgba[i][RCOMP] = lut[rgba[i][RCOMP] * 3 + 0]; - rgba[i][GCOMP] = lut[rgba[i][GCOMP] * 3 + 1]; - rgba[i][BCOMP] = lut[rgba[i][BCOMP] * 3 + 2]; - } - } - else -#endif - { - const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF; - const GLchan *lut = (const GLchan *) table->Table; - GLuint i; - for (i = 0; i < n; i++) { - GLint jR = IROUND((GLfloat) rgba[i][RCOMP] * scale); - GLint jG = IROUND((GLfloat) rgba[i][GCOMP] * scale); - GLint jB = IROUND((GLfloat) rgba[i][BCOMP] * scale); - rgba[i][RCOMP] = lut[jR * 3 + 0]; - rgba[i][GCOMP] = lut[jG * 3 + 1]; - rgba[i][BCOMP] = lut[jB * 3 + 2]; - } - } - } - break; - case GL_RGBA: - /* replace RGBA with RGBA */ - if (table->Type == GL_FLOAT) { - const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF; - const GLfloat *lut = (const GLfloat *) table->Table; - GLuint i; - for (i = 0; i < n; i++) { - GLint jR = IROUND((GLfloat) rgba[i][RCOMP] * scale); - GLint jG = IROUND((GLfloat) rgba[i][GCOMP] * scale); - GLint jB = IROUND((GLfloat) rgba[i][BCOMP] * scale); - GLint jA = IROUND((GLfloat) rgba[i][ACOMP] * scale); - CLAMPED_FLOAT_TO_CHAN(rgba[i][RCOMP], lut[jR * 4 + 0]); - CLAMPED_FLOAT_TO_CHAN(rgba[i][GCOMP], lut[jG * 4 + 1]); - CLAMPED_FLOAT_TO_CHAN(rgba[i][BCOMP], lut[jB * 4 + 2]); - CLAMPED_FLOAT_TO_CHAN(rgba[i][ACOMP], lut[jA * 4 + 3]); - } - } - else { -#if CHAN_TYPE == GL_UNSIGNED_BYTE - if (table->Size == 256) { - /* common case */ - const GLchan *lut = (const GLchan *) table->Table; - GLuint i; - for (i = 0; i < n; i++) { - rgba[i][RCOMP] = lut[rgba[i][RCOMP] * 4 + 0]; - rgba[i][GCOMP] = lut[rgba[i][GCOMP] * 4 + 1]; - rgba[i][BCOMP] = lut[rgba[i][BCOMP] * 4 + 2]; - rgba[i][ACOMP] = lut[rgba[i][ACOMP] * 4 + 3]; - } - } - else -#endif - { - const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF; - const GLfloat *lut = (const GLfloat *) table->Table; - GLuint i; - for (i = 0; i < n; i++) { - GLint jR = IROUND((GLfloat) rgba[i][RCOMP] * scale); - GLint jG = IROUND((GLfloat) rgba[i][GCOMP] * scale); - GLint jB = IROUND((GLfloat) rgba[i][BCOMP] * scale); - GLint jA = IROUND((GLfloat) rgba[i][ACOMP] * scale); - CLAMPED_FLOAT_TO_CHAN(rgba[i][RCOMP], lut[jR * 4 + 0]); - CLAMPED_FLOAT_TO_CHAN(rgba[i][GCOMP], lut[jG * 4 + 1]); - CLAMPED_FLOAT_TO_CHAN(rgba[i][BCOMP], lut[jB * 4 + 2]); - CLAMPED_FLOAT_TO_CHAN(rgba[i][ACOMP], lut[jA * 4 + 3]); - } - } - } - break; - default: - _mesa_problem(NULL, "Bad format in _mesa_lookup_rgba_chan"); - return; - } -} - - - -/* - * Apply color index shift and offset to an array of pixels. - */ -void -_mesa_shift_and_offset_ci( const GLcontext *ctx, GLuint n, GLuint indexes[] ) -{ - GLint shift = ctx->Pixel.IndexShift; - GLint offset = ctx->Pixel.IndexOffset; - GLuint i; - if (shift > 0) { - for (i=0;i> shift) + offset; - } - } - else { - for (i=0;iPixel.MapItoIsize - 1; - GLuint i; - for (i = 0; i < n; i++) { - const GLuint j = index[i] & mask; - index[i] = IROUND(ctx->Pixel.MapItoI[j]); - } -} - - -/* - * Map color indexes to rgba values. - */ -void -_mesa_map_ci_to_rgba_chan( const GLcontext *ctx, GLuint n, - const GLuint index[], GLchan rgba[][4] ) -{ -#if CHAN_BITS == 8 - GLuint rmask = ctx->Pixel.MapItoRsize - 1; - GLuint gmask = ctx->Pixel.MapItoGsize - 1; - GLuint bmask = ctx->Pixel.MapItoBsize - 1; - GLuint amask = ctx->Pixel.MapItoAsize - 1; - const GLubyte *rMap = ctx->Pixel.MapItoR8; - const GLubyte *gMap = ctx->Pixel.MapItoG8; - const GLubyte *bMap = ctx->Pixel.MapItoB8; - const GLubyte *aMap = ctx->Pixel.MapItoA8; - GLuint i; - for (i=0;iPixel.MapItoRsize - 1; - GLuint gmask = ctx->Pixel.MapItoGsize - 1; - GLuint bmask = ctx->Pixel.MapItoBsize - 1; - GLuint amask = ctx->Pixel.MapItoAsize - 1; - const GLfloat *rMap = ctx->Pixel.MapItoR; - const GLfloat *gMap = ctx->Pixel.MapItoG; - const GLfloat *bMap = ctx->Pixel.MapItoB; - const GLfloat *aMap = ctx->Pixel.MapItoA; - GLuint i; - for (i=0;iPixel.MapItoRsize - 1; - GLuint gmask = ctx->Pixel.MapItoGsize - 1; - GLuint bmask = ctx->Pixel.MapItoBsize - 1; - GLuint amask = ctx->Pixel.MapItoAsize - 1; - const GLfloat *rMap = ctx->Pixel.MapItoR; - const GLfloat *gMap = ctx->Pixel.MapItoG; - const GLfloat *bMap = ctx->Pixel.MapItoB; - const GLfloat *aMap = ctx->Pixel.MapItoA; - GLuint i; - for (i=0;iPixel.MapItoRsize - 1; - GLuint gmask = ctx->Pixel.MapItoGsize - 1; - GLuint bmask = ctx->Pixel.MapItoBsize - 1; - GLuint amask = ctx->Pixel.MapItoAsize - 1; - const GLubyte *rMap = ctx->Pixel.MapItoR8; - const GLubyte *gMap = ctx->Pixel.MapItoG8; - const GLubyte *bMap = ctx->Pixel.MapItoB8; - const GLubyte *aMap = ctx->Pixel.MapItoA8; - GLuint i; - for (i=0;iPixel.MapItoRsize - 1; - GLuint gmask = ctx->Pixel.MapItoGsize - 1; - GLuint bmask = ctx->Pixel.MapItoBsize - 1; - GLuint amask = ctx->Pixel.MapItoAsize - 1; - const GLfloat *rMap = ctx->Pixel.MapItoR; - const GLfloat *gMap = ctx->Pixel.MapItoG; - const GLfloat *bMap = ctx->Pixel.MapItoB; - const GLfloat *aMap = ctx->Pixel.MapItoA; - GLuint i; - for (i=0;iPixel.IndexShift; - GLint offset = ctx->Pixel.IndexOffset; - if (shift > 0) { - for (i=0;i> shift) + offset; - } - } - else { - for (i=0;iPixel.MapStoSsize - 1; - GLuint i; - for (i=0;iPixel.MapStoS[ stencil[i] & mask ]; - } -} - - - -/* - * This function converts an array of GLchan colors to GLfloat colors. - * Most importantly, it undoes the non-uniform quantization of pixel - * values introduced when we convert shallow (< 8 bit) pixel values - * to GLubytes in the ctx->Driver.ReadRGBASpan() functions. - * This fixes a number of OpenGL conformance failures when running on - * 16bpp displays, for example. - */ -void -_mesa_chan_to_float_span(const GLcontext *ctx, GLuint n, - CONST GLchan rgba[][4], GLfloat rgbaf[][4]) -{ -#if CHAN_TYPE == GL_FLOAT - MEMCPY(rgbaf, rgba, n * 4 * sizeof(GLfloat)); -#else - const GLuint rShift = CHAN_BITS - ctx->Visual.redBits; - const GLuint gShift = CHAN_BITS - ctx->Visual.greenBits; - const GLuint bShift = CHAN_BITS - ctx->Visual.blueBits; - GLuint aShift; - const GLfloat rScale = 1.0F / (GLfloat) ((1 << ctx->Visual.redBits ) - 1); - const GLfloat gScale = 1.0F / (GLfloat) ((1 << ctx->Visual.greenBits) - 1); - const GLfloat bScale = 1.0F / (GLfloat) ((1 << ctx->Visual.blueBits ) - 1); - GLfloat aScale; - GLuint i; - - if (ctx->Visual.alphaBits > 0) { - aShift = CHAN_BITS - ctx->Visual.alphaBits; - aScale = 1.0F / (GLfloat) ((1 << ctx->Visual.alphaBits) - 1); - } - else { - aShift = 0; - aScale = 1.0F / CHAN_MAXF; - } - - for (i = 0; i < n; i++) { - const GLint r = rgba[i][RCOMP] >> rShift; - const GLint g = rgba[i][GCOMP] >> gShift; - const GLint b = rgba[i][BCOMP] >> bShift; - const GLint a = rgba[i][ACOMP] >> aShift; - rgbaf[i][RCOMP] = (GLfloat) r * rScale; - rgbaf[i][GCOMP] = (GLfloat) g * gScale; - rgbaf[i][BCOMP] = (GLfloat) b * bScale; - rgbaf[i][ACOMP] = (GLfloat) a * aScale; - } -#endif -} - -/**********************************************************************/ -/***** State Management *****/ -/**********************************************************************/ - -/* - * Return a bitmask of IMAGE_*_BIT flags which to indicate which - * pixel transfer operations are enabled. - */ -static void -update_image_transfer_state(GLcontext *ctx) -{ - GLuint mask = 0; - - if (ctx->Pixel.RedScale != 1.0F || ctx->Pixel.RedBias != 0.0F || - ctx->Pixel.GreenScale != 1.0F || ctx->Pixel.GreenBias != 0.0F || - ctx->Pixel.BlueScale != 1.0F || ctx->Pixel.BlueBias != 0.0F || - ctx->Pixel.AlphaScale != 1.0F || ctx->Pixel.AlphaBias != 0.0F) - mask |= IMAGE_SCALE_BIAS_BIT; - - if (ctx->Pixel.IndexShift || ctx->Pixel.IndexOffset) - mask |= IMAGE_SHIFT_OFFSET_BIT; - - if (ctx->Pixel.MapColorFlag) - mask |= IMAGE_MAP_COLOR_BIT; - - if (ctx->Pixel.ColorTableEnabled) - mask |= IMAGE_COLOR_TABLE_BIT; - - if (ctx->Pixel.Convolution1DEnabled || - ctx->Pixel.Convolution2DEnabled || - ctx->Pixel.Separable2DEnabled) { - mask |= IMAGE_CONVOLUTION_BIT; - if (ctx->Pixel.PostConvolutionScale[0] != 1.0F || - ctx->Pixel.PostConvolutionScale[1] != 1.0F || - ctx->Pixel.PostConvolutionScale[2] != 1.0F || - ctx->Pixel.PostConvolutionScale[3] != 1.0F || - ctx->Pixel.PostConvolutionBias[0] != 0.0F || - ctx->Pixel.PostConvolutionBias[1] != 0.0F || - ctx->Pixel.PostConvolutionBias[2] != 0.0F || - ctx->Pixel.PostConvolutionBias[3] != 0.0F) { - mask |= IMAGE_POST_CONVOLUTION_SCALE_BIAS; - } - } - - if (ctx->Pixel.PostConvolutionColorTableEnabled) - mask |= IMAGE_POST_CONVOLUTION_COLOR_TABLE_BIT; - - if (ctx->ColorMatrixStack.Top->type != MATRIX_IDENTITY || - ctx->Pixel.PostColorMatrixScale[0] != 1.0F || - ctx->Pixel.PostColorMatrixBias[0] != 0.0F || - ctx->Pixel.PostColorMatrixScale[1] != 1.0F || - ctx->Pixel.PostColorMatrixBias[1] != 0.0F || - ctx->Pixel.PostColorMatrixScale[2] != 1.0F || - ctx->Pixel.PostColorMatrixBias[2] != 0.0F || - ctx->Pixel.PostColorMatrixScale[3] != 1.0F || - ctx->Pixel.PostColorMatrixBias[3] != 0.0F) - mask |= IMAGE_COLOR_MATRIX_BIT; - - if (ctx->Pixel.PostColorMatrixColorTableEnabled) - mask |= IMAGE_POST_COLOR_MATRIX_COLOR_TABLE_BIT; - - if (ctx->Pixel.HistogramEnabled) - mask |= IMAGE_HISTOGRAM_BIT; - - if (ctx->Pixel.MinMaxEnabled) - mask |= IMAGE_MIN_MAX_BIT; - - ctx->_ImageTransferState = mask; -} - - -void _mesa_update_pixel( GLcontext *ctx, GLuint new_state ) -{ - if (new_state & _NEW_COLOR_MATRIX) - _math_matrix_analyse( ctx->ColorMatrixStack.Top ); - - /* References ColorMatrix.type (derived above). - */ - if (new_state & _IMAGE_NEW_TRANSFER_STATE) - update_image_transfer_state(ctx); -} - - -/**********************************************************************/ -/***** Initialization *****/ -/**********************************************************************/ - - -/** - * Initialize the context's PIXEL attribute group. - */ -void -_mesa_init_pixel( GLcontext *ctx ) -{ - int i; - - /* Pixel group */ - ctx->Pixel.RedBias = 0.0; - ctx->Pixel.RedScale = 1.0; - ctx->Pixel.GreenBias = 0.0; - ctx->Pixel.GreenScale = 1.0; - ctx->Pixel.BlueBias = 0.0; - ctx->Pixel.BlueScale = 1.0; - ctx->Pixel.AlphaBias = 0.0; - ctx->Pixel.AlphaScale = 1.0; - ctx->Pixel.DepthBias = 0.0; - ctx->Pixel.DepthScale = 1.0; - ctx->Pixel.IndexOffset = 0; - ctx->Pixel.IndexShift = 0; - ctx->Pixel.ZoomX = 1.0; - ctx->Pixel.ZoomY = 1.0; - ctx->Pixel.MapColorFlag = GL_FALSE; - ctx->Pixel.MapStencilFlag = GL_FALSE; - ctx->Pixel.MapStoSsize = 1; - ctx->Pixel.MapItoIsize = 1; - ctx->Pixel.MapItoRsize = 1; - ctx->Pixel.MapItoGsize = 1; - ctx->Pixel.MapItoBsize = 1; - ctx->Pixel.MapItoAsize = 1; - ctx->Pixel.MapRtoRsize = 1; - ctx->Pixel.MapGtoGsize = 1; - ctx->Pixel.MapBtoBsize = 1; - ctx->Pixel.MapAtoAsize = 1; - ctx->Pixel.MapStoS[0] = 0; - ctx->Pixel.MapItoI[0] = 0.0; - ctx->Pixel.MapItoR[0] = 0.0; - ctx->Pixel.MapItoG[0] = 0.0; - ctx->Pixel.MapItoB[0] = 0.0; - ctx->Pixel.MapItoA[0] = 0.0; - ctx->Pixel.MapItoR8[0] = 0; - ctx->Pixel.MapItoG8[0] = 0; - ctx->Pixel.MapItoB8[0] = 0; - ctx->Pixel.MapItoA8[0] = 0; - ctx->Pixel.MapRtoR[0] = 0.0; - ctx->Pixel.MapGtoG[0] = 0.0; - ctx->Pixel.MapBtoB[0] = 0.0; - ctx->Pixel.MapAtoA[0] = 0.0; - ctx->Pixel.HistogramEnabled = GL_FALSE; - ctx->Pixel.MinMaxEnabled = GL_FALSE; - ctx->Pixel.PixelTextureEnabled = GL_FALSE; - ctx->Pixel.FragmentRgbSource = GL_PIXEL_GROUP_COLOR_SGIS; - ctx->Pixel.FragmentAlphaSource = GL_PIXEL_GROUP_COLOR_SGIS; - ASSIGN_4V(ctx->Pixel.PostColorMatrixScale, 1.0, 1.0, 1.0, 1.0); - ASSIGN_4V(ctx->Pixel.PostColorMatrixBias, 0.0, 0.0, 0.0, 0.0); - ASSIGN_4V(ctx->Pixel.ColorTableScale, 1.0, 1.0, 1.0, 1.0); - ASSIGN_4V(ctx->Pixel.ColorTableBias, 0.0, 0.0, 0.0, 0.0); - ASSIGN_4V(ctx->Pixel.PCCTscale, 1.0, 1.0, 1.0, 1.0); - ASSIGN_4V(ctx->Pixel.PCCTbias, 0.0, 0.0, 0.0, 0.0); - ASSIGN_4V(ctx->Pixel.PCMCTscale, 1.0, 1.0, 1.0, 1.0); - ASSIGN_4V(ctx->Pixel.PCMCTbias, 0.0, 0.0, 0.0, 0.0); - ctx->Pixel.ColorTableEnabled = GL_FALSE; - ctx->Pixel.PostConvolutionColorTableEnabled = GL_FALSE; - ctx->Pixel.PostColorMatrixColorTableEnabled = GL_FALSE; - ctx->Pixel.Convolution1DEnabled = GL_FALSE; - ctx->Pixel.Convolution2DEnabled = GL_FALSE; - ctx->Pixel.Separable2DEnabled = GL_FALSE; - for (i = 0; i < 3; i++) { - ASSIGN_4V(ctx->Pixel.ConvolutionBorderColor[i], 0.0, 0.0, 0.0, 0.0); - ctx->Pixel.ConvolutionBorderMode[i] = GL_REDUCE; - ASSIGN_4V(ctx->Pixel.ConvolutionFilterScale[i], 1.0, 1.0, 1.0, 1.0); - ASSIGN_4V(ctx->Pixel.ConvolutionFilterBias[i], 0.0, 0.0, 0.0, 0.0); - } - for (i = 0; i < MAX_CONVOLUTION_WIDTH * MAX_CONVOLUTION_WIDTH * 4; i++) { - ctx->Convolution1D.Filter[i] = 0.0; - ctx->Convolution2D.Filter[i] = 0.0; - ctx->Separable2D.Filter[i] = 0.0; - } - ASSIGN_4V(ctx->Pixel.PostConvolutionScale, 1.0, 1.0, 1.0, 1.0); - ASSIGN_4V(ctx->Pixel.PostConvolutionBias, 0.0, 0.0, 0.0, 0.0); - /* GL_SGI_texture_color_table */ - ASSIGN_4V(ctx->Pixel.TextureColorTableScale, 1.0, 1.0, 1.0, 1.0); - ASSIGN_4V(ctx->Pixel.TextureColorTableBias, 0.0, 0.0, 0.0, 0.0); - - /* Pixel transfer */ - ctx->Pack.Alignment = 4; - ctx->Pack.RowLength = 0; - ctx->Pack.ImageHeight = 0; - ctx->Pack.SkipPixels = 0; - ctx->Pack.SkipRows = 0; - ctx->Pack.SkipImages = 0; - ctx->Pack.SwapBytes = GL_FALSE; - ctx->Pack.LsbFirst = GL_FALSE; - ctx->Pack.ClientStorage = GL_FALSE; - ctx->Pack.Invert = GL_FALSE; -#if FEATURE_EXT_pixel_buffer_object - ctx->Pack.BufferObj = ctx->Array.NullBufferObj; -#endif - ctx->Unpack.Alignment = 4; - ctx->Unpack.RowLength = 0; - ctx->Unpack.ImageHeight = 0; - ctx->Unpack.SkipPixels = 0; - ctx->Unpack.SkipRows = 0; - ctx->Unpack.SkipImages = 0; - ctx->Unpack.SwapBytes = GL_FALSE; - ctx->Unpack.LsbFirst = GL_FALSE; - ctx->Unpack.ClientStorage = GL_FALSE; - ctx->Unpack.Invert = GL_FALSE; -#if FEATURE_EXT_pixel_buffer_object - ctx->Unpack.BufferObj = ctx->Array.NullBufferObj; -#endif - - /* - * _mesa_unpack_image() returns image data in this format. When we - * execute image commands (glDrawPixels(), glTexImage(), etc) from - * within display lists we have to be sure to set the current - * unpacking parameters to these values! - */ - ctx->DefaultPacking.Alignment = 1; - ctx->DefaultPacking.RowLength = 0; - ctx->DefaultPacking.SkipPixels = 0; - ctx->DefaultPacking.SkipRows = 0; - ctx->DefaultPacking.ImageHeight = 0; - ctx->DefaultPacking.SkipImages = 0; - ctx->DefaultPacking.SwapBytes = GL_FALSE; - ctx->DefaultPacking.LsbFirst = GL_FALSE; - ctx->DefaultPacking.ClientStorage = GL_FALSE; - ctx->DefaultPacking.Invert = GL_FALSE; -#if FEATURE_EXT_pixel_buffer_object - ctx->DefaultPacking.BufferObj = ctx->Array.NullBufferObj; -#endif - - if (ctx->Visual.doubleBufferMode) { - ctx->Pixel.ReadBuffer = GL_BACK; - } - else { - ctx->Pixel.ReadBuffer = GL_FRONT; - } - - /* Miscellaneous */ - ctx->_ImageTransferState = 0; -} -- cgit v1.2.3