mesa: Remove SGI_color_matrix.

Another optional ARB_imaging subset extension.

16 files changed, 5 insertions, 334 deletions

diff --git a/src/mesa/drivers/dri/i965/brw_state_upload.c b/src/mesa/drivers/dri/i965/brw_state_upload.c
index a0c130557e..e4f36a7ec3 100644
--- a/src/mesa/drivers/dri/i965/brw_state_upload.c
+++ b/src/mesa/drivers/dri/i965/brw_state_upload.c
@@ -231,7 +231,6 @@ static struct dirty_bit_map mesa_bits[] = {
    DEFINE_BIT(_NEW_MODELVIEW),
    DEFINE_BIT(_NEW_PROJECTION),
    DEFINE_BIT(_NEW_TEXTURE_MATRIX),
-   DEFINE_BIT(_NEW_COLOR_MATRIX),
    DEFINE_BIT(_NEW_ACCUM),
    DEFINE_BIT(_NEW_COLOR),
    DEFINE_BIT(_NEW_DEPTH),
diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c
index 774553ccce..87285683f8 100644
--- a/src/mesa/main/context.c
+++ b/src/mesa/main/context.c
@@ -341,7 +341,6 @@ static void
 dummy_enum_func(void)
 {
    gl_buffer_index bi = BUFFER_FRONT_LEFT;
-   gl_colortable_index ci = COLORTABLE_PRECONVOLUTION;
    gl_face_index fi = FACE_POS_X;
    gl_frag_attrib fa = FRAG_ATTRIB_WPOS;
    gl_frag_result fr = FRAG_RESULT_DEPTH;
@@ -352,7 +351,6 @@ dummy_enum_func(void)
    gl_geom_result gr = GEOM_RESULT_POS;
 
    (void) bi;
-   (void) ci;
    (void) fi;
    (void) fa;
    (void) fr;
diff --git a/src/mesa/main/debug.c b/src/mesa/main/debug.c
index 526145aecc..4205c7a4b7 100644
--- a/src/mesa/main/debug.c
+++ b/src/mesa/main/debug.c
@@ -85,13 +85,12 @@ void
 _mesa_print_state( const char *msg, GLuint state )
 {
    _mesa_debug(NULL,
-	   "%s: (0x%x) %s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
+	   "%s: (0x%x) %s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
 	   msg,
 	   state,
 	   (state & _NEW_MODELVIEW)       ? "ctx->ModelView, " : "",
 	   (state & _NEW_PROJECTION)      ? "ctx->Projection, " : "",
 	   (state & _NEW_TEXTURE_MATRIX)  ? "ctx->TextureMatrix, " : "",
-	   (state & _NEW_COLOR_MATRIX)    ? "ctx->ColorMatrix, " : "",
 	   (state & _NEW_ACCUM)           ? "ctx->Accum, " : "",
 	   (state & _NEW_COLOR)           ? "ctx->Color, " : "",
 	   (state & _NEW_DEPTH)           ? "ctx->Depth, " : "",
diff --git a/src/mesa/main/dlist.c b/src/mesa/main/dlist.c
index d847d4d5d3..3a730f0e40 100644
--- a/src/mesa/main/dlist.c
+++ b/src/mesa/main/dlist.c
@@ -1552,7 +1552,6 @@ save_ColorTableParameterfv(GLenum target, GLenum pname,
       n[3].f = params[0];
       if (pname == GL_COLOR_TABLE_SGI ||
           pname == GL_POST_CONVOLUTION_COLOR_TABLE_SGI ||
-          pname == GL_POST_COLOR_MATRIX_COLOR_TABLE_SGI ||
           pname == GL_TEXTURE_COLOR_TABLE_SGI) {
          n[4].f = params[1];
          n[5].f = params[2];
@@ -1581,7 +1580,6 @@ save_ColorTableParameteriv(GLenum target, GLenum pname, const GLint *params)
       n[3].i = params[0];
       if (pname == GL_COLOR_TABLE_SGI ||
           pname == GL_POST_CONVOLUTION_COLOR_TABLE_SGI ||
-          pname == GL_POST_COLOR_MATRIX_COLOR_TABLE_SGI ||
           pname == GL_TEXTURE_COLOR_TABLE_SGI) {
          n[4].i = params[1];
          n[5].i = params[2];
diff --git a/src/mesa/main/extensions.c b/src/mesa/main/extensions.c
index 3e4801030d..3f86973e3e 100644
--- a/src/mesa/main/extensions.c
+++ b/src/mesa/main/extensions.c
@@ -206,7 +206,6 @@ static const struct {
    { OFF, "GL_NV_vertex_program",              F(NV_vertex_program) },
    { OFF, "GL_NV_vertex_program1_1",           F(NV_vertex_program1_1) },
    { ON,  "GL_OES_read_format",                F(OES_read_format) },
-   { OFF, "GL_SGI_color_matrix",               F(SGI_color_matrix) },
    { OFF, "GL_SGI_texture_color_table",        F(SGI_texture_color_table) },
    { OFF, "GL_SGIS_generate_mipmap",           F(SGIS_generate_mipmap) },
    { OFF, "GL_SGIS_texture_border_clamp",      F(ARB_texture_border_clamp) },
@@ -366,7 +365,6 @@ _mesa_enable_sw_extensions(GLcontext *ctx)
 #if FEATURE_NV_fragment_program && FEATURE_ARB_fragment_program
    ctx->Extensions.NV_fragment_program_option = GL_TRUE;
 #endif
-   ctx->Extensions.SGI_color_matrix = GL_TRUE;
    ctx->Extensions.SGI_texture_color_table = GL_TRUE;
    ctx->Extensions.SGIS_generate_mipmap = GL_TRUE;
    ctx->Extensions.SGIS_texture_edge_clamp = GL_TRUE;
@@ -396,7 +394,6 @@ _mesa_enable_imaging_extensions(GLcontext *ctx)
    ctx->Extensions.EXT_blend_minmax = GL_TRUE;
    ctx->Extensions.EXT_blend_subtract = GL_TRUE;
    ctx->Extensions.EXT_convolution = GL_TRUE;
-   ctx->Extensions.SGI_color_matrix = GL_TRUE;
 }
 
 
diff --git a/src/mesa/main/get.c b/src/mesa/main/get.c
index bb2ce759d3..33ea81b83a 100644
--- a/src/mesa/main/get.c
+++ b/src/mesa/main/get.c
@@ -874,36 +874,12 @@ static const struct value_desc values[] = {
      extra_EXT_compiled_vertex_array },
 
    /* GL_ARB_transpose_matrix */
-   { GL_TRANSPOSE_COLOR_MATRIX_ARB, CONTEXT_MATRIX_T(ColorMatrixStack.Top), NO_EXTRA },
    { GL_TRANSPOSE_MODELVIEW_MATRIX_ARB,
      CONTEXT_MATRIX_T(ModelviewMatrixStack), NO_EXTRA },
    { GL_TRANSPOSE_PROJECTION_MATRIX_ARB,
      CONTEXT_MATRIX_T(ProjectionMatrixStack.Top), NO_EXTRA },
    { GL_TRANSPOSE_TEXTURE_MATRIX_ARB, CONTEXT_MATRIX_T(TextureMatrixStack), NO_EXTRA },
 
-   /* GL_SGI_color_matrix (also in 1.2 imaging) */
-   { GL_COLOR_MATRIX_SGI, CONTEXT_MATRIX(ColorMatrixStack.Top), NO_EXTRA },
-   { GL_COLOR_MATRIX_STACK_DEPTH_SGI, LOC_CUSTOM, TYPE_INT,
-     offsetof(GLcontext, ColorMatrixStack.Depth), NO_EXTRA },
-   { GL_MAX_COLOR_MATRIX_STACK_DEPTH_SGI,
-     CONST(MAX_COLOR_STACK_DEPTH), NO_EXTRA },
-   { GL_POST_COLOR_MATRIX_RED_SCALE_SGI,
-     CONTEXT_FLOAT(Pixel.PostColorMatrixScale[0]), NO_EXTRA },
-   { GL_POST_COLOR_MATRIX_GREEN_SCALE_SGI,
-     CONTEXT_FLOAT(Pixel.PostColorMatrixScale[1]), NO_EXTRA },
-   { GL_POST_COLOR_MATRIX_BLUE_SCALE_SGI,
-     CONTEXT_FLOAT(Pixel.PostColorMatrixScale[2]), NO_EXTRA },
-   { GL_POST_COLOR_MATRIX_ALPHA_SCALE_SGI,
-     CONTEXT_FLOAT(Pixel.PostColorMatrixScale[3]), NO_EXTRA },
-   { GL_POST_COLOR_MATRIX_RED_BIAS_SGI,
-     CONTEXT_FLOAT(Pixel.PostColorMatrixBias[0]), NO_EXTRA },
-   { GL_POST_COLOR_MATRIX_GREEN_BIAS_SGI,
-     CONTEXT_FLOAT(Pixel.PostColorMatrixBias[1]), NO_EXTRA },
-   { GL_POST_COLOR_MATRIX_BLUE_BIAS_SGI,
-     CONTEXT_FLOAT(Pixel.PostColorMatrixBias[2]), NO_EXTRA },
-   { GL_POST_COLOR_MATRIX_ALPHA_BIAS_SGI,
-     CONTEXT_FLOAT(Pixel.PostColorMatrixBias[3]), NO_EXTRA },
-
    /* GL_EXT_convolution (also in 1.2 imaging) */
    { GL_CONVOLUTION_1D_EXT, CONTEXT_BOOL(Pixel.Convolution1DEnabled),
      extra_EXT_convolution },
@@ -1449,7 +1425,6 @@ find_custom_value(GLcontext *ctx, const struct value_desc *d, union value *v)
 
    case GL_MODELVIEW_STACK_DEPTH:
    case GL_PROJECTION_STACK_DEPTH:
-   case GL_COLOR_MATRIX_STACK_DEPTH_SGI:
       v->value_int = *(GLint *) ((char *) ctx + d->offset) + 1;
       break;
 
diff --git a/src/mesa/main/image.c b/src/mesa/main/image.c
index 7918ef7926..788584ae85 100644
--- a/src/mesa/main/image.c
+++ b/src/mesa/main/image.c
@@ -1525,36 +1525,6 @@ _mesa_map_rgba( const GLcontext *ctx, GLuint n, GLfloat rgba[][4] )
    }
 }
 
-
-/*
- * Apply the color matrix and post color matrix scaling and biasing.
- */
-void
-_mesa_transform_rgba(const GLcontext *ctx, GLuint n, GLfloat rgba[][4])
-{
-   const GLfloat rs = ctx->Pixel.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.
  */
@@ -1913,10 +1883,6 @@ _mesa_apply_rgba_transfer_ops(GLcontext *ctx, GLbitfield transferOps,
                                 ctx->Pixel.PostConvolutionBias[BCOMP],
                                 ctx->Pixel.PostConvolutionBias[ACOMP]);
    }
-   /* color matrix transform */
-   if (transferOps & IMAGE_COLOR_MATRIX_BIT) {
-      _mesa_transform_rgba(ctx, n, rgba);
-   }
    /* clamping to [0,1] */
    if (transferOps & IMAGE_CLAMP_BIT) {
       GLuint i;
diff --git a/src/mesa/main/image.h b/src/mesa/main/image.h
index 8b180d6bfe..672dbf2823 100644
--- a/src/mesa/main/image.h
+++ b/src/mesa/main/image.h
@@ -163,11 +163,6 @@ _mesa_scale_and_bias_rgba(GLuint n, GLfloat rgba[][4],
 extern void
 _mesa_map_rgba(const GLcontext *ctx, GLuint n, GLfloat rgba[][4]);
 
-
-extern void
-_mesa_transform_rgba(const GLcontext *ctx, GLuint n, GLfloat rgba[][4]);
-
-
 extern void
 _mesa_lookup_rgba_float(const struct gl_color_table *table,
                         GLuint n, GLfloat rgba[][4]);
diff --git a/src/mesa/main/matrix.c b/src/mesa/main/matrix.c
index 4b8c00b5b6..8ed718cd38 100644
--- a/src/mesa/main/matrix.c
+++ b/src/mesa/main/matrix.c
@@ -177,9 +177,6 @@ _mesa_MatrixMode( GLenum mode )
       ASSERT(ctx->Texture.CurrentUnit < Elements(ctx->TextureMatrixStack));
       ctx->CurrentStack = &ctx->TextureMatrixStack[ctx->Texture.CurrentUnit];
       break;
-   case GL_COLOR:
-      ctx->CurrentStack = &ctx->ColorMatrixStack;
-      break;
    case GL_MATRIX0_NV:
    case GL_MATRIX1_NV:
    case GL_MATRIX2_NV:
@@ -724,8 +721,6 @@ void _mesa_init_matrix( GLcontext * ctx )
                      _NEW_MODELVIEW);
    init_matrix_stack(&ctx->ProjectionMatrixStack, MAX_PROJECTION_STACK_DEPTH,
                      _NEW_PROJECTION);
-   init_matrix_stack(&ctx->ColorMatrixStack, MAX_COLOR_STACK_DEPTH,
-                     _NEW_COLOR_MATRIX);
    for (i = 0; i < Elements(ctx->TextureMatrixStack); i++)
       init_matrix_stack(&ctx->TextureMatrixStack[i], MAX_TEXTURE_STACK_DEPTH,
                         _NEW_TEXTURE_MATRIX);
@@ -753,7 +748,6 @@ void _mesa_free_matrix_data( GLcontext *ctx )
 
    free_matrix_stack(&ctx->ModelviewMatrixStack);
    free_matrix_stack(&ctx->ProjectionMatrixStack);
-   free_matrix_stack(&ctx->ColorMatrixStack);
    for (i = 0; i < Elements(ctx->TextureMatrixStack); i++)
       free_matrix_stack(&ctx->TextureMatrixStack[i]);
    for (i = 0; i < Elements(ctx->ProgramMatrixStack); i++)
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 9718732608..c982f55e82 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -454,16 +454,6 @@ typedef enum
                             BUFFER_BIT_COLOR7)
 
 
-/** The pixel transfer path has three color tables: */
-typedef enum
-{
-   COLORTABLE_PRECONVOLUTION,
-   COLORTABLE_POSTCONVOLUTION,
-   COLORTABLE_POSTCOLORMATRIX,
-   COLORTABLE_MAX
-} gl_colortable_index;
-
-
 /**
  * Data structure for color tables
  */
@@ -975,11 +965,6 @@ struct gl_pixel_attrib
    GLfloat PostConvolutionScale[4];  /**< RGBA */
    GLfloat PostConvolutionBias[4];   /**< RGBA */
 
-   /* Color matrix (GL_SGI_color_matrix) */
-   /* Note: the color matrix is not part of this attrib group */
-   GLfloat PostColorMatrixScale[4];  /**< RGBA */
-   GLfloat PostColorMatrixBias[4];   /**< RGBA */
-
    /*--- End Pixel Transfer State ---*/
 
    /** glPixelZoom */
@@ -2748,7 +2733,6 @@ struct gl_extensions
    GLboolean NV_vertex_program;
    GLboolean NV_vertex_program1_1;
    GLboolean OES_read_format;
-   GLboolean SGI_color_matrix;
    GLboolean SGI_texture_color_table;
    GLboolean SGIS_generate_mipmap;
    GLboolean SGIS_texture_edge_clamp;
@@ -2787,7 +2771,6 @@ struct gl_matrix_stack
 #define IMAGE_MAP_COLOR_BIT                       0x4
 #define IMAGE_CONVOLUTION_BIT                     0x10
 #define IMAGE_POST_CONVOLUTION_SCALE_BIAS         0x20
-#define IMAGE_COLOR_MATRIX_BIT                    0x80
 #define IMAGE_CLAMP_BIT                           0x800
 
 
@@ -2797,8 +2780,7 @@ struct gl_matrix_stack
                                     IMAGE_MAP_COLOR_BIT)
 
 /** Pixel transfer ops after convolution */
-#define IMAGE_POST_CONVOLUTION_BITS (IMAGE_POST_CONVOLUTION_SCALE_BIAS |      \
-                                     IMAGE_COLOR_MATRIX_BIT)
+#define IMAGE_POST_CONVOLUTION_BITS (IMAGE_POST_CONVOLUTION_SCALE_BIAS)
 /*@}*/
 
 
@@ -2811,7 +2793,6 @@ struct gl_matrix_stack
 #define _NEW_MODELVIEW		0x1        /**< __GLcontextRec::ModelView */
 #define _NEW_PROJECTION		0x2        /**< __GLcontextRec::Projection */
 #define _NEW_TEXTURE_MATRIX	0x4        /**< __GLcontextRec::TextureMatrix */
-#define _NEW_COLOR_MATRIX	0x8        /**< __GLcontextRec::ColorMatrix */
 #define _NEW_ACCUM		0x10       /**< __GLcontextRec::Accum */
 #define _NEW_COLOR		0x20       /**< __GLcontextRec::Color */
 #define _NEW_DEPTH		0x40       /**< __GLcontextRec::Depth */
@@ -2934,8 +2915,7 @@ struct gl_matrix_stack
 #define _MESA_NEW_NEED_NORMALS            (_NEW_LIGHT |		\
                                            _NEW_TEXTURE)
 
-#define _MESA_NEW_TRANSFER_STATE          (_NEW_PIXEL |		\
-                                           _NEW_COLOR_MATRIX)
+#define _MESA_NEW_TRANSFER_STATE          (_NEW_PIXEL)
 /*@}*/
 
 
@@ -3083,7 +3063,6 @@ struct __GLcontextRec
    /*@{*/
    struct gl_matrix_stack ModelviewMatrixStack;
    struct gl_matrix_stack ProjectionMatrixStack;
-   struct gl_matrix_stack ColorMatrixStack;
    struct gl_matrix_stack TextureMatrixStack[MAX_TEXTURE_UNITS];
    struct gl_matrix_stack ProgramMatrixStack[MAX_PROGRAM_MATRICES];
    struct gl_matrix_stack *CurrentStack; /**< Points to one of the above stacks */
diff --git a/src/mesa/main/pixel.c b/src/mesa/main/pixel.c
index 834a41108c..5e900b4eed 100644
--- a/src/mesa/main/pixel.c
+++ b/src/mesa/main/pixel.c
@@ -566,54 +566,6 @@ _mesa_PixelTransferf( GLenum pname, GLfloat param )
 	 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;
@@ -718,17 +670,6 @@ update_image_transfer_state(GLcontext *ctx)
       }
    }
 
-   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;
-
    ctx->_ImageTransferState = mask;
 }
 
@@ -738,11 +679,6 @@ update_image_transfer_state(GLcontext *ctx)
  */
 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 & _MESA_NEW_TRANSFER_STATE)
       update_image_transfer_state(ctx);
 }
@@ -814,8 +750,6 @@ _mesa_init_pixel( GLcontext *ctx )
    init_pixelmap(&ctx->PixelMaps.GtoG);
    init_pixelmap(&ctx->PixelMaps.BtoB);
    init_pixelmap(&ctx->PixelMaps.AtoA);
-   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);
    ctx->Pixel.Convolution1DEnabled = GL_FALSE;
    ctx->Pixel.Convolution2DEnabled = GL_FALSE;
    ctx->Pixel.Separable2DEnabled = GL_FALSE;
diff --git a/src/mesa/main/querymatrix.c b/src/mesa/main/querymatrix.c
index 36236eb9a7..944ad435f7 100644
--- a/src/mesa/main/querymatrix.c
+++ b/src/mesa/main/querymatrix.c
@@ -117,10 +117,6 @@ GLbitfield GL_APIENTRY _es_QueryMatrixxOES(GLfixed mantissa[16], GLint exponent[
         {GL_MODELVIEW, GL_MODELVIEW_MATRIX},
         {GL_PROJECTION, GL_PROJECTION_MATRIX},
         {GL_TEXTURE, GL_TEXTURE_MATRIX},
-#if 0
-        /* this doesn't exist in GLES */
-        {GL_COLOR, GL_COLOR_MATRIX},
-#endif
     };
 
     /* Call Mesa to get the current matrix in floating-point form.  First,
diff --git a/src/mesa/program/prog_statevars.c b/src/mesa/program/prog_statevars.c
index 2687f8ae2c..c6fb42b9a6 100644
--- a/src/mesa/program/prog_statevars.c
+++ b/src/mesa/program/prog_statevars.c
@@ -273,7 +273,6 @@ _mesa_fetch_state(GLcontext *ctx, const gl_state_index state[],
    case STATE_MVP_MATRIX:
    case STATE_TEXTURE_MATRIX:
    case STATE_PROGRAM_MATRIX:
-   case STATE_COLOR_MATRIX:
       {
          /* state[0] = modelview, projection, texture, etc. */
          /* state[1] = which texture matrix or program matrix */
@@ -309,9 +308,6 @@ _mesa_fetch_state(GLcontext *ctx, const gl_state_index state[],
             ASSERT(index < Elements(ctx->ProgramMatrixStack));
             matrix = ctx->ProgramMatrixStack[index].Top;
          }
-         else if (mat == STATE_COLOR_MATRIX) {
-            matrix = ctx->ColorMatrixStack.Top;
-         }
          else {
             _mesa_problem(ctx, "Bad matrix name in _mesa_fetch_state()");
             return;
@@ -555,14 +551,6 @@ _mesa_fetch_state(GLcontext *ctx, const gl_state_index state[],
          value[3] = ctx->Pixel.AlphaBias;
          return;
 
-      case STATE_PCM_SCALE:
-         COPY_4V(value, ctx->Pixel.PostColorMatrixScale);
-         return;
-
-      case STATE_PCM_BIAS:
-         COPY_4V(value, ctx->Pixel.PostColorMatrixBias);
-         return;
-
       case STATE_SHADOW_AMBIENT:
          {
             const int unit = (int) state[2];
@@ -667,8 +655,6 @@ _mesa_program_state_flags(const gl_state_index state[STATE_LENGTH])
       return _NEW_TEXTURE_MATRIX;
    case STATE_PROGRAM_MATRIX:
       return _NEW_TRACK_MATRIX;
-   case STATE_COLOR_MATRIX:
-      return _NEW_COLOR_MATRIX;
 
    case STATE_DEPTH_RANGE:
       return _NEW_VIEWPORT;
@@ -706,8 +692,6 @@ _mesa_program_state_flags(const gl_state_index state[STATE_LENGTH])
 
       case STATE_PT_SCALE:
       case STATE_PT_BIAS:
-      case STATE_PCM_SCALE:
-      case STATE_PCM_BIAS:
          return _NEW_PIXEL;
 
       case STATE_FB_SIZE:
@@ -792,9 +776,6 @@ append_token(char *dst, gl_state_index k)
    case STATE_PROGRAM_MATRIX:
       append(dst, "matrix.program");
       break;
-   case STATE_COLOR_MATRIX:
-      append(dst, "matrix.color");
-      break;
    case STATE_MATRIX_INVERSE:
       append(dst, ".inverse");
       break;
@@ -913,12 +894,6 @@ append_token(char *dst, gl_state_index k)
    case STATE_PT_BIAS:
       append(dst, "PTbias");
       break;
-   case STATE_PCM_SCALE:
-      append(dst, "PCMscale");
-      break;
-   case STATE_PCM_BIAS:
-      append(dst, "PCMbias");
-      break;
    case STATE_SHADOW_AMBIENT:
       append(dst, "CompareFailValue");
       break;
@@ -1010,7 +985,6 @@ _mesa_program_state_string(const gl_state_index state[STATE_LENGTH])
    case STATE_MVP_MATRIX:
    case STATE_TEXTURE_MATRIX:
    case STATE_PROGRAM_MATRIX:
-   case STATE_COLOR_MATRIX:
       {
          /* state[0] = modelview, projection, texture, etc. */
          /* state[1] = which texture matrix or program matrix */
@@ -1147,9 +1121,6 @@ _mesa_load_tracked_matrices(GLcontext *ctx)
                             Elements(ctx->TextureMatrixStack) - 1);
          mat = ctx->TextureMatrixStack[unit].Top;
       }
-      else if (ctx->VertexProgram.TrackMatrix[i] == GL_COLOR) {
-         mat = ctx->ColorMatrixStack.Top;
-      }
       else if (ctx->VertexProgram.TrackMatrix[i]==GL_MODELVIEW_PROJECTION_NV) {
          /* XXX verify the combined matrix is up to date */
          mat = &ctx->_ModelProjectMatrix;
diff --git a/src/mesa/program/prog_statevars.h b/src/mesa/program/prog_statevars.h
index 1753471ffb..cfce226fb4 100644
--- a/src/mesa/program/prog_statevars.h
+++ b/src/mesa/program/prog_statevars.h
@@ -67,7 +67,6 @@ typedef enum gl_state_index_ {
    STATE_MVP_MATRIX,
    STATE_TEXTURE_MATRIX,
    STATE_PROGRAM_MATRIX,
-   STATE_COLOR_MATRIX,
    STATE_MATRIX_INVERSE,
    STATE_MATRIX_TRANSPOSE,
    STATE_MATRIX_INVTRANS,
@@ -116,8 +115,6 @@ typedef enum gl_state_index_ {
    STATE_LIGHT_HALF_VECTOR,           /* object vs eye space */
    STATE_PT_SCALE,              /**< Pixel transfer RGBA scale */
    STATE_PT_BIAS,               /**< Pixel transfer RGBA bias */
-   STATE_PCM_SCALE,             /**< Post color matrix RGBA scale */
-   STATE_PCM_BIAS,              /**< Post color matrix RGBA bias */
    STATE_SHADOW_AMBIENT,        /**< ARB_shadow_ambient fail value; token[2] is texture unit index */
    STATE_FB_SIZE,               /**< (width-1, height-1, 0, 0) */
    STATE_ROT_MATRIX_0,          /**< ATI_envmap_bumpmap, rot matrix row 0 */
diff --git a/src/mesa/state_tracker/st_atom_pixeltransfer.c b/src/mesa/state_tracker/st_atom_pixeltransfer.c
index 8a8d17599e..081b6b3e23 100644
--- a/src/mesa/state_tracker/st_atom_pixeltransfer.c
+++ b/src/mesa/state_tracker/st_atom_pixeltransfer.c
@@ -27,7 +27,7 @@
 
 /*
  * Generate fragment programs to implement pixel transfer ops, such as
- * scale/bias, colormatrix, colortable, convolution...
+ * scale/bias, colortable, convolution...
  *
  * Authors:
  *   Brian Paul
@@ -55,8 +55,6 @@
 struct state_key
 {
    GLuint scaleAndBias:1;
-   GLuint colorMatrix:1;
-   GLuint colorMatrixPostScaleBias:1;
    GLuint pixelMaps:1;
 
 #if 0
@@ -70,27 +68,9 @@ struct state_key
 #endif
 };
 
-
-static GLboolean
-is_identity(const GLfloat m[16])
-{
-   GLuint i;
-   for (i = 0; i < 16; i++) {
-      const int row = i % 4, col = i / 4;
-      const float val = (GLfloat)(row == col);
-      if (m[i] != val)
-         return GL_FALSE;
-   }
-   return GL_TRUE;
-}
-
-
 static void
 make_state_key(GLcontext *ctx,  struct state_key *key)
 {
-   static const GLfloat zero[4] = { 0.0f, 0.0f, 0.0f, 0.0f };
-   static const GLfloat one[4] = { 1.0f, 1.0f, 1.0f, 1.0f };
-
    memset(key, 0, sizeof(*key));
 
    if (ctx->Pixel.RedBias != 0.0 || ctx->Pixel.RedScale != 1.0 ||
@@ -100,15 +80,6 @@ make_state_key(GLcontext *ctx,  struct state_key *key)
       key->scaleAndBias = 1;
    }
 
-   if (!is_identity(ctx->ColorMatrixStack.Top->m)) {
-      key->colorMatrix = 1;
-   }
-
-   if (!TEST_EQ_4V(ctx->Pixel.PostColorMatrixScale, one) ||
-       !TEST_EQ_4V(ctx->Pixel.PostColorMatrixBias, zero)) {
-      key->colorMatrixPostScaleBias = 1;
-   }
-
    key->pixelMaps = ctx->Pixel.MapColorFlag;
 }
 
@@ -306,103 +277,6 @@ get_pixel_transfer_program(GLcontext *ctx, const struct state_key *key)
       fp->Base.SamplersUsed |= (1 << 1);  /* sampler 1 is used */
    }
 
-   if (key->colorMatrix) {
-      static const gl_state_index row0_state[STATE_LENGTH] =
-         { STATE_COLOR_MATRIX, 0, 0, 0, 0 };
-      static const gl_state_index row1_state[STATE_LENGTH] =
-         { STATE_COLOR_MATRIX, 0, 1, 1, 0 };
-      static const gl_state_index row2_state[STATE_LENGTH] =
-         { STATE_COLOR_MATRIX, 0, 2, 2, 0 };
-      static const gl_state_index row3_state[STATE_LENGTH] =
-         { STATE_COLOR_MATRIX, 0, 3, 3, 0 };
-
-      GLint row0_p = _mesa_add_state_reference(params, row0_state);
-      GLint row1_p = _mesa_add_state_reference(params, row1_state);
-      GLint row2_p = _mesa_add_state_reference(params, row2_state);
-      GLint row3_p = _mesa_add_state_reference(params, row3_state);
-      const GLuint temp = 1;
-
-      /* DP4 temp.x, colorTemp, matrow0; */
-      _mesa_init_instructions(inst + ic, 1);
-      inst[ic].Opcode = OPCODE_DP4;
-      inst[ic].DstReg.File = PROGRAM_TEMPORARY;
-      inst[ic].DstReg.Index = temp;
-      inst[ic].DstReg.WriteMask = WRITEMASK_X;
-      inst[ic].SrcReg[0].File = PROGRAM_TEMPORARY;
-      inst[ic].SrcReg[0].Index = colorTemp;
-      inst[ic].SrcReg[1].File = PROGRAM_STATE_VAR;
-      inst[ic].SrcReg[1].Index = row0_p;
-      ic++;
-
-      /* DP4 temp.y, colorTemp, matrow1; */
-      _mesa_init_instructions(inst + ic, 1);
-      inst[ic].Opcode = OPCODE_DP4;
-      inst[ic].DstReg.File = PROGRAM_TEMPORARY;
-      inst[ic].DstReg.Index = temp;
-      inst[ic].DstReg.WriteMask = WRITEMASK_Y;
-      inst[ic].SrcReg[0].File = PROGRAM_TEMPORARY;
-      inst[ic].SrcReg[0].Index = colorTemp;
-      inst[ic].SrcReg[1].File = PROGRAM_STATE_VAR;
-      inst[ic].SrcReg[1].Index = row1_p;
-      ic++;
-
-      /* DP4 temp.z, colorTemp, matrow2; */
-      _mesa_init_instructions(inst + ic, 1);
-      inst[ic].Opcode = OPCODE_DP4;
-      inst[ic].DstReg.File = PROGRAM_TEMPORARY;
-      inst[ic].DstReg.Index = temp;
-      inst[ic].DstReg.WriteMask = WRITEMASK_Z;
-      inst[ic].SrcReg[0].File = PROGRAM_TEMPORARY;
-      inst[ic].SrcReg[0].Index = colorTemp;
-      inst[ic].SrcReg[1].File = PROGRAM_STATE_VAR;
-      inst[ic].SrcReg[1].Index = row2_p;
-      ic++;
-
-      /* DP4 temp.w, colorTemp, matrow3; */
-      _mesa_init_instructions(inst + ic, 1);
-      inst[ic].Opcode = OPCODE_DP4;
-      inst[ic].DstReg.File = PROGRAM_TEMPORARY;
-      inst[ic].DstReg.Index = temp;
-      inst[ic].DstReg.WriteMask = WRITEMASK_W;
-      inst[ic].SrcReg[0].File = PROGRAM_TEMPORARY;
-      inst[ic].SrcReg[0].Index = colorTemp;
-      inst[ic].SrcReg[1].File = PROGRAM_STATE_VAR;
-      inst[ic].SrcReg[1].Index = row3_p;
-      ic++;
-
-      /* MOV colorTemp, temp; */
-      _mesa_init_instructions(inst + ic, 1);
-      inst[ic].Opcode = OPCODE_MOV;
-      inst[ic].DstReg.File = PROGRAM_TEMPORARY;
-      inst[ic].DstReg.Index = colorTemp;
-      inst[ic].SrcReg[0].File = PROGRAM_TEMPORARY;
-      inst[ic].SrcReg[0].Index = temp;
-      ic++;
-   }
-
-   if (key->colorMatrixPostScaleBias) {
-      static const gl_state_index scale_state[STATE_LENGTH] =
-         { STATE_INTERNAL, STATE_PT_SCALE, 0, 0, 0 };
-      static const gl_state_index bias_state[STATE_LENGTH] =
-         { STATE_INTERNAL, STATE_PT_BIAS, 0, 0, 0 };
-      GLint scale_param, bias_param;
-
-      scale_param = _mesa_add_state_reference(params, scale_state);
-      bias_param = _mesa_add_state_reference(params, bias_state);
-
-      _mesa_init_instructions(inst + ic, 1);
-      inst[ic].Opcode = OPCODE_MAD;
-      inst[ic].DstReg.File = PROGRAM_TEMPORARY;
-      inst[ic].DstReg.Index = colorTemp;
-      inst[ic].SrcReg[0].File = PROGRAM_TEMPORARY;
-      inst[ic].SrcReg[0].Index = colorTemp;
-      inst[ic].SrcReg[1].File = PROGRAM_STATE_VAR;
-      inst[ic].SrcReg[1].Index = scale_param;
-      inst[ic].SrcReg[2].File = PROGRAM_STATE_VAR;
-      inst[ic].SrcReg[2].Index = bias_param;
-      ic++;
-   }
-
    /* Modify last instruction's dst reg to write to result.color */
    {
       struct prog_instruction *last = &inst[ic - 1];
@@ -473,7 +347,7 @@ update_pixel_transfer(struct st_context *st)
 const struct st_tracked_state st_update_pixel_transfer = {
    "st_update_pixel_transfer",				/* name */
    {							/* dirty */
-      _NEW_PIXEL | _NEW_COLOR_MATRIX,			/* mesa */
+      _NEW_PIXEL,					/* mesa */
       0,						/* st */
    },
    update_pixel_transfer				/* update */
diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index 017f6c5cf7..225f75e3af 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -271,7 +271,6 @@ void st_init_extensions(struct st_context *st)
    ctx->Extensions.OES_draw_texture = GL_TRUE;
 #endif
 
-   ctx->Extensions.SGI_color_matrix = GL_TRUE;
    ctx->Extensions.SGIS_generate_mipmap = GL_TRUE;
 
    /*