From b6adf336f41d2f0ed0ea33eaf53faee9635a2405 Mon Sep 17 00:00:00 2001 From: Brian Date: Wed, 14 Mar 2007 14:33:46 -0600 Subject: Re-org of gl_pixel_attrib struct. Reorder fields according to the order in which the pixel transfer operations take place. Improve comments. Move the pixel maps out of gl_pixel_attrib since they're not supposed to be pushed/popped by glPush/PopAttrib. New gl_pixelmap and gl_pixelmaps structs to contain the pixelmaps. --- src/mesa/main/pixel.c | 218 ++++++++++++++++++++++++-------------------------- 1 file changed, 106 insertions(+), 112 deletions(-) (limited to 'src/mesa/main/pixel.c') diff --git a/src/mesa/main/pixel.c b/src/mesa/main/pixel.c index 4e47cdba89..a6a0ffdfa3 100644 --- a/src/mesa/main/pixel.c +++ b/src/mesa/main/pixel.c @@ -262,71 +262,71 @@ 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; + ctx->PixelMaps.StoS.Size = mapsize; for (i = 0; i < mapsize; i++) { - ctx->Pixel.MapStoS[i] = IROUND(values[i]); + ctx->PixelMaps.StoS.Map[i] = IROUND(values[i]); } break; case GL_PIXEL_MAP_I_TO_I: - ctx->Pixel.MapItoIsize = mapsize; + ctx->PixelMaps.ItoI.Size = mapsize; for (i = 0; i < mapsize; i++) { - ctx->Pixel.MapItoI[i] = values[i]; + ctx->PixelMaps.ItoI.Map[i] = values[i]; } break; case GL_PIXEL_MAP_I_TO_R: - ctx->Pixel.MapItoRsize = mapsize; + ctx->PixelMaps.ItoR.Size = 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); + ctx->PixelMaps.ItoR.Map[i] = val; + ctx->PixelMaps.ItoR.Map8[i] = (GLint) (val * 255.0F); } break; case GL_PIXEL_MAP_I_TO_G: - ctx->Pixel.MapItoGsize = mapsize; + ctx->PixelMaps.ItoG.Size = 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); + ctx->PixelMaps.ItoG.Map[i] = val; + ctx->PixelMaps.ItoG.Map8[i] = (GLint) (val * 255.0F); } break; case GL_PIXEL_MAP_I_TO_B: - ctx->Pixel.MapItoBsize = mapsize; + ctx->PixelMaps.ItoB.Size = 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); + ctx->PixelMaps.ItoB.Map[i] = val; + ctx->PixelMaps.ItoB.Map8[i] = (GLint) (val * 255.0F); } break; case GL_PIXEL_MAP_I_TO_A: - ctx->Pixel.MapItoAsize = mapsize; + ctx->PixelMaps.ItoA.Size = 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); + ctx->PixelMaps.ItoA.Map[i] = val; + ctx->PixelMaps.ItoA.Map8[i] = (GLint) (val * 255.0F); } break; case GL_PIXEL_MAP_R_TO_R: - ctx->Pixel.MapRtoRsize = mapsize; + ctx->PixelMaps.RtoR.Size = mapsize; for (i = 0; i < mapsize; i++) { - ctx->Pixel.MapRtoR[i] = CLAMP( values[i], 0.0F, 1.0F ); + ctx->PixelMaps.RtoR.Map[i] = CLAMP( values[i], 0.0F, 1.0F ); } break; case GL_PIXEL_MAP_G_TO_G: - ctx->Pixel.MapGtoGsize = mapsize; + ctx->PixelMaps.GtoG.Size = mapsize; for (i = 0; i < mapsize; i++) { - ctx->Pixel.MapGtoG[i] = CLAMP( values[i], 0.0F, 1.0F ); + ctx->PixelMaps.GtoG.Map[i] = CLAMP( values[i], 0.0F, 1.0F ); } break; case GL_PIXEL_MAP_B_TO_B: - ctx->Pixel.MapBtoBsize = mapsize; + ctx->PixelMaps.BtoB.Size = mapsize; for (i = 0; i < mapsize; i++) { - ctx->Pixel.MapBtoB[i] = CLAMP( values[i], 0.0F, 1.0F ); + ctx->PixelMaps.BtoB.Map[i] = CLAMP( values[i], 0.0F, 1.0F ); } break; case GL_PIXEL_MAP_A_TO_A: - ctx->Pixel.MapAtoAsize = mapsize; + ctx->PixelMaps.AtoA.Size = mapsize; for (i = 0; i < mapsize; i++) { - ctx->Pixel.MapAtoA[i] = CLAMP( values[i], 0.0F, 1.0F ); + ctx->PixelMaps.AtoA.Map[i] = CLAMP( values[i], 0.0F, 1.0F ); } break; default: @@ -551,25 +551,25 @@ get_map_size(GLcontext *ctx, GLenum map) { switch (map) { case GL_PIXEL_MAP_I_TO_I: - return ctx->Pixel.MapItoIsize; + return ctx->PixelMaps.ItoI.Size; case GL_PIXEL_MAP_S_TO_S: - return ctx->Pixel.MapStoSsize; + return ctx->PixelMaps.StoS.Size; case GL_PIXEL_MAP_I_TO_R: - return ctx->Pixel.MapItoRsize; + return ctx->PixelMaps.ItoR.Size; case GL_PIXEL_MAP_I_TO_G: - return ctx->Pixel.MapItoGsize; + return ctx->PixelMaps.ItoG.Size; case GL_PIXEL_MAP_I_TO_B: - return ctx->Pixel.MapItoBsize; + return ctx->PixelMaps.ItoB.Size; case GL_PIXEL_MAP_I_TO_A: - return ctx->Pixel.MapItoAsize; + return ctx->PixelMaps.ItoA.Size; case GL_PIXEL_MAP_R_TO_R: - return ctx->Pixel.MapRtoRsize; + return ctx->PixelMaps.RtoR.Size; case GL_PIXEL_MAP_G_TO_G: - return ctx->Pixel.MapGtoGsize; + return ctx->PixelMaps.GtoG.Size; case GL_PIXEL_MAP_B_TO_B: - return ctx->Pixel.MapBtoBsize; + return ctx->PixelMaps.BtoB.Size; case GL_PIXEL_MAP_A_TO_A: - return ctx->Pixel.MapAtoAsize; + return ctx->PixelMaps.AtoA.Size; default: return 0; } @@ -615,36 +615,36 @@ _mesa_GetPixelMapfv( GLenum map, GLfloat *values ) switch (map) { case GL_PIXEL_MAP_I_TO_I: - MEMCPY(values, ctx->Pixel.MapItoI, mapsize * sizeof(GLfloat)); + MEMCPY(values, ctx->PixelMaps.ItoI.Map, mapsize * sizeof(GLfloat)); break; case GL_PIXEL_MAP_S_TO_S: for (i = 0; i < mapsize; i++) { - values[i] = (GLfloat) ctx->Pixel.MapStoS[i]; + values[i] = (GLfloat) ctx->PixelMaps.StoS.Map[i]; } break; case GL_PIXEL_MAP_I_TO_R: - MEMCPY(values, ctx->Pixel.MapItoR, mapsize * sizeof(GLfloat)); + MEMCPY(values, ctx->PixelMaps.ItoR.Map, mapsize * sizeof(GLfloat)); break; case GL_PIXEL_MAP_I_TO_G: - MEMCPY(values, ctx->Pixel.MapItoG, mapsize * sizeof(GLfloat)); + MEMCPY(values, ctx->PixelMaps.ItoG.Map, mapsize * sizeof(GLfloat)); break; case GL_PIXEL_MAP_I_TO_B: - MEMCPY(values, ctx->Pixel.MapItoB, mapsize * sizeof(GLfloat)); + MEMCPY(values, ctx->PixelMaps.ItoB.Map, mapsize * sizeof(GLfloat)); break; case GL_PIXEL_MAP_I_TO_A: - MEMCPY(values, ctx->Pixel.MapItoA, mapsize * sizeof(GLfloat)); + MEMCPY(values, ctx->PixelMaps.ItoA.Map, mapsize * sizeof(GLfloat)); break; case GL_PIXEL_MAP_R_TO_R: - MEMCPY(values, ctx->Pixel.MapRtoR, mapsize * sizeof(GLfloat)); + MEMCPY(values, ctx->PixelMaps.RtoR.Map, mapsize * sizeof(GLfloat)); break; case GL_PIXEL_MAP_G_TO_G: - MEMCPY(values, ctx->Pixel.MapGtoG, mapsize * sizeof(GLfloat)); + MEMCPY(values, ctx->PixelMaps.GtoG.Map, mapsize * sizeof(GLfloat)); break; case GL_PIXEL_MAP_B_TO_B: - MEMCPY(values, ctx->Pixel.MapBtoB, mapsize * sizeof(GLfloat)); + MEMCPY(values, ctx->PixelMaps.BtoB.Map, mapsize * sizeof(GLfloat)); break; case GL_PIXEL_MAP_A_TO_A: - MEMCPY(values, ctx->Pixel.MapAtoA, mapsize * sizeof(GLfloat)); + MEMCPY(values, ctx->PixelMaps.AtoA.Map, mapsize * sizeof(GLfloat)); break; default: _mesa_error( ctx, GL_INVALID_ENUM, "glGetPixelMapfv" ); @@ -697,50 +697,50 @@ _mesa_GetPixelMapuiv( GLenum map, GLuint *values ) switch (map) { case GL_PIXEL_MAP_I_TO_I: for (i = 0; i < mapsize; i++) { - values[i] = FLOAT_TO_UINT( ctx->Pixel.MapItoI[i] ); + values[i] = FLOAT_TO_UINT( ctx->PixelMaps.ItoI.Map[i] ); } break; case GL_PIXEL_MAP_S_TO_S: - MEMCPY(values, ctx->Pixel.MapStoS, mapsize * sizeof(GLint)); + MEMCPY(values, ctx->PixelMaps.StoS.Map, 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] ); + values[i] = FLOAT_TO_UINT( ctx->PixelMaps.ItoR.Map[i] ); } break; case GL_PIXEL_MAP_I_TO_G: for (i = 0; i < mapsize; i++) { - values[i] = FLOAT_TO_UINT( ctx->Pixel.MapItoG[i] ); + values[i] = FLOAT_TO_UINT( ctx->PixelMaps.ItoG.Map[i] ); } break; case GL_PIXEL_MAP_I_TO_B: for (i = 0; i < mapsize; i++) { - values[i] = FLOAT_TO_UINT( ctx->Pixel.MapItoB[i] ); + values[i] = FLOAT_TO_UINT( ctx->PixelMaps.ItoB.Map[i] ); } break; case GL_PIXEL_MAP_I_TO_A: for (i = 0; i < mapsize; i++) { - values[i] = FLOAT_TO_UINT( ctx->Pixel.MapItoA[i] ); + values[i] = FLOAT_TO_UINT( ctx->PixelMaps.ItoA.Map[i] ); } break; case GL_PIXEL_MAP_R_TO_R: for (i = 0; i < mapsize; i++) { - values[i] = FLOAT_TO_UINT( ctx->Pixel.MapRtoR[i] ); + values[i] = FLOAT_TO_UINT( ctx->PixelMaps.RtoR.Map[i] ); } break; case GL_PIXEL_MAP_G_TO_G: for (i = 0; i < mapsize; i++) { - values[i] = FLOAT_TO_UINT( ctx->Pixel.MapGtoG[i] ); + values[i] = FLOAT_TO_UINT( ctx->PixelMaps.GtoG.Map[i] ); } break; case GL_PIXEL_MAP_B_TO_B: for (i = 0; i < mapsize; i++) { - values[i] = FLOAT_TO_UINT( ctx->Pixel.MapBtoB[i] ); + values[i] = FLOAT_TO_UINT( ctx->PixelMaps.BtoB.Map[i] ); } break; case GL_PIXEL_MAP_A_TO_A: for (i = 0; i < mapsize; i++) { - values[i] = FLOAT_TO_UINT( ctx->Pixel.MapAtoA[i] ); + values[i] = FLOAT_TO_UINT( ctx->PixelMaps.AtoA.Map[i] ); } break; default: @@ -795,52 +795,52 @@ _mesa_GetPixelMapusv( GLenum map, GLushort *values ) 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); + values[i] = (GLushort) CLAMP(ctx->PixelMaps.ItoI.Map[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); + values[i] = (GLushort) CLAMP(ctx->PixelMaps.StoS.Map[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] ); + CLAMPED_FLOAT_TO_USHORT(values[i] , ctx->PixelMaps.ItoR.Map[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] ); + CLAMPED_FLOAT_TO_USHORT(values[i] , ctx->PixelMaps.ItoG.Map[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] ); + CLAMPED_FLOAT_TO_USHORT(values[i] , ctx->PixelMaps.ItoB.Map[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] ); + CLAMPED_FLOAT_TO_USHORT(values[i] , ctx->PixelMaps.ItoA.Map[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] ); + CLAMPED_FLOAT_TO_USHORT(values[i] , ctx->PixelMaps.RtoR.Map[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] ); + CLAMPED_FLOAT_TO_USHORT(values[i] , ctx->PixelMaps.GtoG.Map[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] ); + CLAMPED_FLOAT_TO_USHORT(values[i] , ctx->PixelMaps.BtoB.Map[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] ); + CLAMPED_FLOAT_TO_USHORT(values[i] , ctx->PixelMaps.AtoA.Map[i] ); } break; default: @@ -1113,14 +1113,14 @@ _mesa_scale_and_bias_rgba(GLuint n, GLfloat rgba[][4], 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; + const GLfloat rscale = (GLfloat) (ctx->PixelMaps.RtoR.Size - 1); + const GLfloat gscale = (GLfloat) (ctx->PixelMaps.GtoG.Size - 1); + const GLfloat bscale = (GLfloat) (ctx->PixelMaps.BtoB.Size - 1); + const GLfloat ascale = (GLfloat) (ctx->PixelMaps.AtoA.Size - 1); + const GLfloat *rMap = ctx->PixelMaps.RtoR.Map; + const GLfloat *gMap = ctx->PixelMaps.GtoG.Map; + const GLfloat *bMap = ctx->PixelMaps.BtoB.Map; + const GLfloat *aMap = ctx->PixelMaps.AtoA.Map; 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 rmask = ctx->PixelMaps.ItoR.Size - 1; + GLuint gmask = ctx->PixelMaps.ItoG.Size - 1; + GLuint bmask = ctx->PixelMaps.ItoB.Size - 1; + GLuint amask = ctx->PixelMaps.ItoA.Size - 1; + const GLfloat *rMap = ctx->PixelMaps.ItoR.Map; + const GLfloat *gMap = ctx->PixelMaps.ItoG.Map; + const GLfloat *bMap = ctx->PixelMaps.ItoB.Map; + const GLfloat *aMap = ctx->PixelMaps.ItoA.Map; 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 rmask = ctx->PixelMaps.ItoR.Size - 1; + GLuint gmask = ctx->PixelMaps.ItoG.Size - 1; + GLuint bmask = ctx->PixelMaps.ItoB.Size - 1; + GLuint amask = ctx->PixelMaps.ItoA.Size - 1; + const GLubyte *rMap = ctx->PixelMaps.ItoR.Map8; + const GLubyte *gMap = ctx->PixelMaps.ItoG.Map8; + const GLubyte *bMap = ctx->PixelMaps.ItoB.Map8; + const GLubyte *aMap = ctx->PixelMaps.ItoA.Map8; GLuint i; for (i=0;iSize = 1; + map->Map[0] = 0.0; + map->Map8[0] = 0; +} + /** * Initialize the context's PIXEL attribute group. @@ -1584,30 +1592,16 @@ _mesa_init_pixel( GLcontext *ctx ) 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; + init_pixelmap(&ctx->PixelMaps.StoS); + init_pixelmap(&ctx->PixelMaps.ItoI); + init_pixelmap(&ctx->PixelMaps.ItoR); + init_pixelmap(&ctx->PixelMaps.ItoG); + init_pixelmap(&ctx->PixelMaps.ItoB); + init_pixelmap(&ctx->PixelMaps.ItoA); + init_pixelmap(&ctx->PixelMaps.RtoR); + init_pixelmap(&ctx->PixelMaps.GtoG); + init_pixelmap(&ctx->PixelMaps.BtoB); + init_pixelmap(&ctx->PixelMaps.AtoA); ctx->Pixel.HistogramEnabled = GL_FALSE; ctx->Pixel.MinMaxEnabled = GL_FALSE; ASSIGN_4V(ctx->Pixel.PostColorMatrixScale, 1.0, 1.0, 1.0, 1.0); -- cgit v1.2.3