adjustments to STATE_ token layout/format so token[1] is always the array index

6 files changed, 151 insertions, 111 deletions

diff --git a/src/mesa/shader/arbprogparse.c b/src/mesa/shader/arbprogparse.c
index e240d88aaae..4c200f74cc9 100644
--- a/src/mesa/shader/arbprogparse.c
+++ b/src/mesa/shader/arbprogparse.c
@@ -1010,7 +1010,7 @@ parse_matrix (GLcontext * ctx, const GLubyte ** inst, struct arb_program *Progra
 
    switch (mat) {
       case MATRIX_MODELVIEW:
-         *matrix = STATE_MODELVIEW;
+         *matrix = STATE_MODELVIEW_MATRIX;
          *matrix_idx = parse_integer (inst, Program);
          if (*matrix_idx > 0) {
             program_error(ctx, Program->Position,
@@ -1020,15 +1020,15 @@ parse_matrix (GLcontext * ctx, const GLubyte ** inst, struct arb_program *Progra
          break;
 
       case MATRIX_PROJECTION:
-         *matrix = STATE_PROJECTION;
+         *matrix = STATE_PROJECTION_MATRIX;
          break;
 
       case MATRIX_MVP:
-         *matrix = STATE_MVP;
+         *matrix = STATE_MVP_MATRIX;
          break;
 
       case MATRIX_TEXTURE:
-         *matrix = STATE_TEXTURE;
+         *matrix = STATE_TEXTURE_MATRIX;
          *matrix_idx = parse_integer (inst, Program);
          if (*matrix_idx >= (GLint) ctx->Const.MaxTextureUnits) {
             program_error(ctx, Program->Position, "Invalid Texture Unit");
@@ -1046,7 +1046,7 @@ parse_matrix (GLcontext * ctx, const GLubyte ** inst, struct arb_program *Progra
          break;
 
       case MATRIX_PROGRAM:
-         *matrix = STATE_PROGRAM;
+         *matrix = STATE_PROGRAM_MATRIX;
          *matrix_idx = parse_integer (inst, Program);
          if (*matrix_idx >= (GLint) ctx->Const.MaxProgramMatrices) {
             program_error(ctx, Program->Position, "Invalid Program Matrix");
@@ -1187,10 +1187,12 @@ parse_state_single_item (GLcontext * ctx, const GLubyte ** inst,
       case STATE_FOG:
          switch (*(*inst)++) {
             case FOG_COLOR:
-               state_tokens[0] = STATE_FOG_COLOR;
+               state_tokens[0] = STATE_FOG;
+               state_tokens[1] = STATE_FOG_COLOR;
                break;
             case FOG_PARAMS:
-               state_tokens[0] = STATE_FOG_PARAMS;
+               state_tokens[0] = STATE_FOG;
+               state_tokens[1] = STATE_FOG_PARAMS;
                break;
          }
          break;
@@ -1285,17 +1287,16 @@ parse_state_single_item (GLcontext * ctx, const GLubyte ** inst,
 
          /* XXX: I think this is the correct format for a matrix row */
       case STATE_MATRIX_ROWS:
-         state_tokens[0] = STATE_MATRIX;
          if (parse_matrix
-             (ctx, inst, Program, &state_tokens[1], &state_tokens[2],
-              &state_tokens[5]))
+             (ctx, inst, Program, &state_tokens[0], &state_tokens[1],
+              &state_tokens[4]))
             return 1;
 
-         state_tokens[3] = parse_integer (inst, Program);       /* The first row to grab */
+         state_tokens[2] = parse_integer (inst, Program);       /* The first row to grab */
 
          if ((**inst) != 0) {                                   /* Either the last row, 0 */
-            state_tokens[4] = parse_integer (inst, Program);
-            if (state_tokens[4] < state_tokens[3]) {
+            state_tokens[3] = parse_integer (inst, Program);
+            if (state_tokens[3] < state_tokens[2]) {
                program_error(ctx, Program->Position,
                              "Second matrix index less than the first");
                /* state_tokens[4] vs. state_tokens[3] */
@@ -1303,7 +1304,7 @@ parse_state_single_item (GLcontext * ctx, const GLubyte ** inst,
             }
          }
          else {
-            state_tokens[4] = state_tokens[3];
+            state_tokens[3] = state_tokens[2];
             (*inst)++;
          }
          break;
@@ -1730,14 +1731,18 @@ parse_param_elements (GLcontext * ctx, const GLubyte ** inst,
          /* If we adding STATE_MATRIX that has multiple rows, we need to
           * unroll it and call _mesa_add_state_reference() for each row
           */
-         if ((state_tokens[0] == STATE_MATRIX)
-             && (state_tokens[3] != state_tokens[4])) {
+         if ((state_tokens[0] == STATE_MODELVIEW_MATRIX ||
+              state_tokens[0] == STATE_PROJECTION_MATRIX ||
+              state_tokens[0] == STATE_MVP_MATRIX ||
+              state_tokens[0] == STATE_TEXTURE_MATRIX ||
+              state_tokens[0] == STATE_PROGRAM_MATRIX)
+             && (state_tokens[2] != state_tokens[3])) {
             GLint row;
-            GLint first_row = state_tokens[3];
-            GLint last_row = state_tokens[4];
+            const GLint first_row = state_tokens[2];
+            const GLint last_row = state_tokens[3];
 
             for (row = first_row; row <= last_row; row++) {
-               state_tokens[3] = state_tokens[4] = row;
+               state_tokens[2] = state_tokens[3] = row;
 
                idx = _mesa_add_state_reference(Program->Base.Parameters,
                                                state_tokens);
@@ -3357,6 +3362,10 @@ print_state_token (GLint token)
          fprintf (stderr, "STATE_TEXGEN ");
          break;
 
+      case STATE_FOG:
+         fprintf (stderr, "STATE_FOG ");
+         break;
+
       case STATE_FOG_COLOR:
          fprintf (stderr, "STATE_FOG_COLOR ");
          break;
diff --git a/src/mesa/shader/prog_statevars.c b/src/mesa/shader/prog_statevars.c
index 3a54ab8c58e..d6c552a71ff 100644
--- a/src/mesa/shader/prog_statevars.c
+++ b/src/mesa/shader/prog_statevars.c
@@ -243,14 +243,17 @@ _mesa_fetch_state(GLcontext *ctx, const gl_state_index state[],
          COPY_4V(value, ctx->Texture.Unit[unit].EnvColor);
       }			
       return;
-   case STATE_FOG_COLOR:
-      COPY_4V(value, ctx->Fog.Color);
-      return;
-   case STATE_FOG_PARAMS:
-      value[0] = ctx->Fog.Density;
-      value[1] = ctx->Fog.Start;
-      value[2] = ctx->Fog.End;
-      value[3] = 1.0F / (ctx->Fog.End - ctx->Fog.Start);
+   case STATE_FOG:
+      if (state[1] == STATE_FOG_COLOR) {
+         COPY_4V(value, ctx->Fog.Color);
+      }
+      else {
+         ASSERT(state[1] == STATE_FOG_PARAMS);
+         value[0] = ctx->Fog.Density;
+         value[1] = ctx->Fog.Start;
+         value[2] = ctx->Fog.End;
+         value[3] = 1.0F / (ctx->Fog.End - ctx->Fog.Start);
+      }
       return;
    case STATE_CLIPPLANE:
       {
@@ -270,7 +273,12 @@ _mesa_fetch_state(GLcontext *ctx, const gl_state_index state[],
       value[2] = ctx->Point.Params[2];
       value[3] = 1.0F;
       return;
-   case STATE_MATRIX:
+   case STATE_MODELVIEW_MATRIX:
+   case STATE_PROJECTION_MATRIX:
+   case STATE_MVP_MATRIX:
+   case STATE_TEXTURE_MATRIX:
+   case STATE_PROGRAM_MATRIX:
+      /*case STATE_MATRIX:*/
       {
          /* state[1] = modelview, projection, texture, etc. */
          /* state[2] = which texture matrix or program matrix */
@@ -279,26 +287,38 @@ _mesa_fetch_state(GLcontext *ctx, const gl_state_index state[],
          /* state[5] = transpose, inverse or invtrans */
 
          const GLmatrix *matrix;
+#if 0
          const gl_state_index mat = state[1];
          const GLuint index = (GLuint) state[2];
          const GLuint firstRow = (GLuint) state[3];
          const GLuint lastRow = (GLuint) state[4];
          const gl_state_index modifier = state[5];
+#else
+         const gl_state_index mat = state[0];
+         const GLuint index = (GLuint) state[1];
+         const GLuint firstRow = (GLuint) state[2];
+         const GLuint lastRow = (GLuint) state[3];
+         const gl_state_index modifier = state[4];
+#endif
          const GLfloat *m;
          GLuint row, i;
-         if (mat == STATE_MODELVIEW) {
+         ASSERT(firstRow >= 0);
+         ASSERT(firstRow < 4);
+         ASSERT(lastRow >= 0);
+         ASSERT(lastRow < 4);
+         if (mat == STATE_MODELVIEW_MATRIX) {
             matrix = ctx->ModelviewMatrixStack.Top;
          }
-         else if (mat == STATE_PROJECTION) {
+         else if (mat == STATE_PROJECTION_MATRIX) {
             matrix = ctx->ProjectionMatrixStack.Top;
          }
-         else if (mat == STATE_MVP) {
+         else if (mat == STATE_MVP_MATRIX) {
             matrix = &ctx->_ModelProjectMatrix;
          }
-         else if (mat == STATE_TEXTURE) {
+         else if (mat == STATE_TEXTURE_MATRIX) {
             matrix = ctx->TextureMatrixStack[index].Top;
          }
-         else if (mat == STATE_PROGRAM) {
+         else if (mat == STATE_PROGRAM_MATRIX) {
             matrix = ctx->ProgramMatrixStack[index].Top;
          }
          else {
@@ -432,8 +452,11 @@ _mesa_program_state_flags(const GLint state[STATE_LENGTH])
    case STATE_TEXENV_COLOR:
       return _NEW_TEXTURE;
 
+   case STATE_FOG:
+#if 0
    case STATE_FOG_COLOR:
    case STATE_FOG_PARAMS:
+#endif
       return _NEW_FOG;
 
    case STATE_CLIPPLANE:
@@ -443,23 +466,16 @@ _mesa_program_state_flags(const GLint state[STATE_LENGTH])
    case STATE_POINT_ATTENUATION:
       return _NEW_POINT;
 
-   case STATE_MATRIX:
-      switch (state[1]) {
-      case STATE_MODELVIEW:
-	 return _NEW_MODELVIEW;
-      case STATE_PROJECTION:
-	 return _NEW_PROJECTION;
-      case STATE_MVP:
-	 return _NEW_MODELVIEW | _NEW_PROJECTION;
-      case STATE_TEXTURE:
-	 return _NEW_TEXTURE_MATRIX;
-      case STATE_PROGRAM:
-	 return _NEW_TRACK_MATRIX;
-      default:
-	 _mesa_problem(NULL,
-                       "unexpected matrix in _mesa_program_state_flags()");
-	 return 0;
-      }
+   case STATE_MODELVIEW_MATRIX:
+      return _NEW_MODELVIEW;
+   case STATE_PROJECTION_MATRIX:
+      return _NEW_PROJECTION;
+   case STATE_MVP_MATRIX:
+      return _NEW_MODELVIEW | _NEW_PROJECTION;
+   case STATE_TEXTURE_MATRIX:
+      return _NEW_TEXTURE_MATRIX;
+   case STATE_PROGRAM_MATRIX:
+      return _NEW_TRACK_MATRIX;
 
    case STATE_DEPTH_RANGE:
       return _NEW_VIEWPORT;
@@ -520,11 +536,14 @@ append_token(char *dst, gl_state_index k)
    case STATE_TEXGEN:
       append(dst, "texgen");
       break;
+   case STATE_FOG:
+      append(dst, "fog");
+      break;
    case STATE_FOG_COLOR:
-      append(dst, "fog.color");
+      append(dst, ".color");
       break;
    case STATE_FOG_PARAMS:
-      append(dst, "fog.params");
+      append(dst, ".params");
       break;
    case STATE_CLIPPLANE:
       append(dst, "clip");
@@ -535,22 +554,19 @@ append_token(char *dst, gl_state_index k)
    case STATE_POINT_ATTENUATION:
       append(dst, "point.attenuation");
       break;
-   case STATE_MATRIX:
-      append(dst, "matrix.");
-      break;
-   case STATE_MODELVIEW:
+   case STATE_MODELVIEW_MATRIX:
       append(dst, "modelview");
       break;
-   case STATE_PROJECTION:
+   case STATE_PROJECTION_MATRIX:
       append(dst, "projection");
       break;
-   case STATE_MVP:
+   case STATE_MVP_MATRIX:
       append(dst, "mvp");
       break;
-   case STATE_TEXTURE:
+   case STATE_TEXTURE_MATRIX:
       append(dst, "texture");
       break;
-   case STATE_PROGRAM:
+   case STATE_PROGRAM_MATRIX:
       append(dst, "program");
       break;
    case STATE_MATRIX_INVERSE:
@@ -703,8 +719,9 @@ _mesa_program_state_string(const GLint state[STATE_LENGTH])
       append_index(str, state[1]); /* tex unit [i] */
       append(str, "color");
       break;
-   case STATE_FOG_COLOR:
-   case STATE_FOG_PARAMS:
+   case STATE_FOG:
+      append(str, "fog");
+      append_token(str, (gl_state_index) state[1]); /* color or params */
       break;
    case STATE_CLIPPLANE:
       append_index(str, state[1]); /* plane [i] */
@@ -713,18 +730,22 @@ _mesa_program_state_string(const GLint state[STATE_LENGTH])
    case STATE_POINT_SIZE:
    case STATE_POINT_ATTENUATION:
       break;
-   case STATE_MATRIX:
+   case STATE_MODELVIEW_MATRIX:
+   case STATE_PROJECTION_MATRIX:
+   case STATE_MVP_MATRIX:
+   case STATE_TEXTURE_MATRIX:
+   case STATE_PROGRAM_MATRIX:
       {
-         /* state[1] = modelview, projection, texture, etc. */
-         /* state[2] = which texture matrix or program matrix */
-         /* state[3] = first row to fetch */
-         /* state[4] = last row to fetch */
-         /* state[5] = transpose, inverse or invtrans */
-         const gl_state_index mat = (gl_state_index) state[1];
-         const GLuint index = (GLuint) state[2];
-         const GLuint firstRow = (GLuint) state[3];
-         const GLuint lastRow = (GLuint) state[4];
-         const gl_state_index modifier = (gl_state_index) state[5];
+         /* state[0] = modelview, projection, texture, etc. */
+         /* state[1] = which texture matrix or program matrix */
+         /* state[2] = first row to fetch */
+         /* state[3] = last row to fetch */
+         /* state[4] = transpose, inverse or invtrans */
+         const gl_state_index mat = (gl_state_index) state[0];
+         const GLuint index = (GLuint) state[1];
+         const GLuint firstRow = (GLuint) state[2];
+         const GLuint lastRow = (GLuint) state[3];
+         const gl_state_index modifier = (gl_state_index) state[4];
          append_token(str, mat);
          if (index)
             append_index(str, index);
diff --git a/src/mesa/shader/prog_statevars.h b/src/mesa/shader/prog_statevars.h
index 95e38ca7b6f..1b686d8078c 100644
--- a/src/mesa/shader/prog_statevars.h
+++ b/src/mesa/shader/prog_statevars.h
@@ -40,6 +40,9 @@
  * fragment programs.
  * A string such as "state.light[0].ambient" gets translated into a
  * sequence of tokens such as [ STATE_LIGHT, 0, STATE_AMBIENT ].
+ *
+ * For state that's an array, like STATE_CLIPPLANE, the 2nd token [1] should
+ * always be the array index.
  */
 typedef enum gl_state_index_ {
    STATE_MATERIAL = 100,  /* start at 100 so small ints are seen as ints */
@@ -51,6 +54,7 @@ typedef enum gl_state_index_ {
 
    STATE_TEXGEN,
 
+   STATE_FOG,
    STATE_FOG_COLOR,
    STATE_FOG_PARAMS,
 
@@ -59,12 +63,11 @@ typedef enum gl_state_index_ {
    STATE_POINT_SIZE,
    STATE_POINT_ATTENUATION,
 
-   STATE_MATRIX,
-   STATE_MODELVIEW,
-   STATE_PROJECTION,
-   STATE_MVP,
-   STATE_TEXTURE,
-   STATE_PROGRAM,
+   STATE_MODELVIEW_MATRIX,
+   STATE_PROJECTION_MATRIX,
+   STATE_MVP_MATRIX,
+   STATE_TEXTURE_MATRIX,
+   STATE_PROGRAM_MATRIX,
    STATE_MATRIX_INVERSE,
    STATE_MATRIX_TRANSPOSE,
    STATE_MATRIX_INVTRANS,
diff --git a/src/mesa/shader/programopt.c b/src/mesa/shader/programopt.c
index a33e6b49ac9..ca11a4e547c 100644
--- a/src/mesa/shader/programopt.c
+++ b/src/mesa/shader/programopt.c
@@ -57,10 +57,10 @@ _mesa_insert_mvp_code(GLcontext *ctx, struct gl_vertex_program *vprog)
     * XXX we should check if these state vars are already declared.
     */
    static const GLint mvpState[4][5] = {
-      { STATE_MATRIX, STATE_MVP, 0, 0, 0 },  /* state.matrix.mvp.row[0] */
-      { STATE_MATRIX, STATE_MVP, 0, 1, 1 },  /* state.matrix.mvp.row[1] */
-      { STATE_MATRIX, STATE_MVP, 0, 2, 2 },  /* state.matrix.mvp.row[2] */
-      { STATE_MATRIX, STATE_MVP, 0, 3, 3 },  /* state.matrix.mvp.row[3] */
+      { STATE_MVP_MATRIX, 0, 0, 0, 0 },  /* state.matrix.mvp.row[0] */
+      { STATE_MVP_MATRIX, 0, 1, 1, 0 },  /* state.matrix.mvp.row[1] */
+      { STATE_MVP_MATRIX, 0, 2, 2, 0 },  /* state.matrix.mvp.row[2] */
+      { STATE_MVP_MATRIX, 0, 3, 3, 0 },  /* state.matrix.mvp.row[3] */
    };
    GLint mvpRef[4];
 
@@ -125,8 +125,10 @@ _mesa_insert_mvp_code(GLcontext *ctx, struct gl_vertex_program *vprog)
 void
 _mesa_append_fog_code(GLcontext *ctx, struct gl_fragment_program *fprog)
 {
-   static const GLint fogParamsState[] = { STATE_FOG_PARAMS, 0, 0, 0, 0 };
-   static const GLint fogColorState[] = { STATE_FOG_COLOR, 0, 0, 0, 0 };
+   static const GLint fogParamsState[]
+      = { STATE_FOG, STATE_FOG_PARAMS, 0, 0, 0 };
+   static const GLint fogColorState[]
+      = { STATE_FOG, STATE_FOG_COLOR, 0, 0, 0 };
    struct prog_instruction *newInst, *inst;
    const GLuint origLen = fprog->Base.NumInstructions;
    const GLuint newLen = origLen + 6;
diff --git a/src/mesa/shader/slang/slang_builtin.c b/src/mesa/shader/slang/slang_builtin.c
index b4aecdb3ad6..71a102e45ce 100644
--- a/src/mesa/shader/slang/slang_builtin.c
+++ b/src/mesa/shader/slang/slang_builtin.c
@@ -70,15 +70,15 @@ _slang_lookup_statevar(const char *name, GLint index,
    };
    static const struct state_info state[] = {
       { "gl_ModelViewMatrix", 4, SWIZZLE_NOOP,
-        { STATE_MATRIX, STATE_MODELVIEW, 0, 0, 0, 0 } },
+        { STATE_MODELVIEW_MATRIX, 0, 0, 0, 0, 0 } },
       { "gl_NormalMatrix", 3, SWIZZLE_NOOP,
-        { STATE_MATRIX, STATE_MODELVIEW, 0, 0, 0, 0 } },
+        { STATE_MODELVIEW_MATRIX, 0, 0, 0, 0, 0 } },
       { "gl_ProjectionMatrix", 4, SWIZZLE_NOOP,
-        { STATE_MATRIX, STATE_PROJECTION, 0, 0, 0, 0 } },
+        { STATE_PROJECTION_MATRIX, 0, 0, 0, 0, 0 } },
       { "gl_ModelViewProjectionMatrix", 4, SWIZZLE_NOOP,
-        { STATE_MATRIX, STATE_MVP, 0, 0, 0, 0 } },
+        { STATE_MVP_MATRIX, 0, 0, 0, 0, 0 } },
       { "gl_TextureMatrix", 4, SWIZZLE_NOOP,
-        { STATE_MATRIX, STATE_TEXTURE, 0, 0, 0, 0 } },
+        { STATE_TEXTURE_MATRIX, 0, 0, 0, 0, 0 } },
       { "gl_NormalScale", 1, SWIZZLE_NOOP,
         { STATE_INTERNAL, STATE_NORMAL_SCALE, 0, 0, 0, 0} },
 
@@ -157,17 +157,17 @@ _slang_lookup_statevar(const char *name, GLint index,
 
 
       { "gl_Fog", 1, SWIZZLE_NOOP,
-        { STATE_FOG_COLOR, 0, 0, 0, 0, 0 } },
+        { STATE_FOG, STATE_FOG_COLOR, 0, 0, 0, 0 } },
       { "gl_Fog.color", 1, SWIZZLE_NOOP,
-        { STATE_FOG_COLOR, 0, 0, 0, 0, 0 } },
+        { STATE_FOG, STATE_FOG_COLOR, 0, 0, 0, 0 } },
       { "gl_Fog.density", 1, SWIZZLE_XXXX,
-        { STATE_FOG_PARAMS, 0, 0, 0, 0, 0 } },
+        { STATE_FOG, STATE_FOG_PARAMS, 0, 0, 0, 0 } },
       { "gl_Fog.start", 1, SWIZZLE_YYYY,
-        { STATE_FOG_PARAMS, 0, 0, 0, 0, 0 } },
+        { STATE_FOG, STATE_FOG_PARAMS, 0, 0, 0, 0 } },
       { "gl_Fog.end", 1, SWIZZLE_ZZZZ,
-        { STATE_FOG_PARAMS, 0, 0, 0, 0, 0 } },
+        { STATE_FOG, STATE_FOG_PARAMS, 0, 0, 0, 0 } },
       { "gl_Fog.scale", 1, SWIZZLE_WWWW,
-        { STATE_FOG_PARAMS, 0, 0, 0, 0, 0 } },
+        { STATE_FOG, STATE_FOG_PARAMS, 0, 0, 0, 0 } },
 
       { "gl_ClipPlane", 1, SWIZZLE_NOOP,
         { STATE_CLIPPLANE, 0, 0, 0, 0, 0 } },
@@ -190,7 +190,7 @@ _slang_lookup_statevar(const char *name, GLint index,
                   indexesCopy[j] = state[i].Indexes[j];
                /* load rows */
                for (j = 0; j < state[i].NumRows; j++) {
-                  indexesCopy[3] = indexesCopy[4] = j; /* jth row of matrix */
+                  indexesCopy[2] = indexesCopy[3] = j; /* jth row of matrix */
                   pos[j] = _mesa_add_state_reference(paramList, indexesCopy);
                   assert(pos[j] >= 0);
                }
@@ -256,19 +256,19 @@ struct state_uniform_info {
 
 
 static const struct state_uniform_info Uniforms[] = {
-   { "gl_ModelViewMatrix", { STATE_MATRIX, STATE_MODELVIEW },
+   { "gl_ModelViewMatrix", { STATE_MODELVIEW_MATRIX, INDEX_POS },
      { MT_FIELD, MT_FIELD, MT_FIELD, MT_FIELD, MT_FIELD}
    },
-   { "gl_ProjectionMatrix", { STATE_MATRIX, STATE_PROJECTION },
+   { "gl_ProjectionMatrix", { STATE_PROJECTION_MATRIX, INDEX_POS },
      { MT_FIELD, MT_FIELD, MT_FIELD, MT_FIELD, MT_FIELD}
    },
-   { "gl_ModelViewProjectionMatrix", { STATE_MATRIX, STATE_MVP },
+   { "gl_ModelViewProjectionMatrix", { STATE_MVP_MATRIX, INDEX_POS },
      { MT_FIELD, MT_FIELD, MT_FIELD, MT_FIELD, MT_FIELD}
    },
-   { "gl_NormalMatrix", { STATE_MATRIX, STATE_MODELVIEW },
+   { "gl_NormalMatrix", { STATE_MODELVIEW_MATRIX, INDEX_POS },
      { MT_FIELD, MT_FIELD, MT_FIELD, MT_FIELD, MT_FIELD}
    },
-   { "gl_TextureMatrix", { STATE_MATRIX, STATE_TEXTURE },
+   { "gl_TextureMatrix", { STATE_TEXTURE_MATRIX, INDEX_POS },
      { MT_FIELD, MT_FIELD, MT_FIELD, MT_FIELD, MT_FIELD}
    },
 
@@ -286,13 +286,13 @@ static const struct state_uniform_info Uniforms[] = {
      }
    },
 
-   { "gl_Fog", { 0, 0 },
+   { "gl_Fog", { STATE_FOG, 0 },
      {
-        { "color", STATE_FOG_COLOR, 0, SWIZZLE_NOOP },
-        { "density", STATE_FOG_PARAMS, 0, SWIZZLE_XXXX },
-        { "start", STATE_FOG_PARAMS, 0, SWIZZLE_YYYY },
-        { "end", STATE_FOG_PARAMS, 0, SWIZZLE_ZZZZ },
-        { "scale", STATE_FOG_PARAMS, 0, SWIZZLE_WWWW }
+        { "color", STATE_FOG_COLOR, 1, SWIZZLE_NOOP },
+        { "density", STATE_FOG_PARAMS, 1, SWIZZLE_XXXX },
+        { "start", STATE_FOG_PARAMS, 1, SWIZZLE_YYYY },
+        { "end", STATE_FOG_PARAMS, 1, SWIZZLE_ZZZZ },
+        { "scale", STATE_FOG_PARAMS, 1, SWIZZLE_WWWW }
      }
    },
 
@@ -349,7 +349,11 @@ lookup_statevar(const char *var, GLint index, const char *field,
             }
          }
 
-         if (tokens[0] == STATE_MATRIX) {
+         if (tokens[0] == STATE_MODELVIEW_MATRIX ||
+             tokens[0] == STATE_PROJECTION_MATRIX ||
+             tokens[0] == STATE_MVP_MATRIX ||
+             tokens[0] == STATE_TEXTURE_MATRIX ||
+             tokens[0] == STATE_PROGRAM_MATRIX) {
             /* a matrix */
             GLuint j;
             GLint pos[4];
@@ -359,7 +363,7 @@ lookup_statevar(const char *var, GLint index, const char *field,
                indexesCopy[j] = tokens[j];
             /* load rows */
             for (j = 0; j < 4/*state[i].NumRows*/; j++) {
-               indexesCopy[3] = indexesCopy[4] = j; /* jth row of matrix */
+               indexesCopy[2] = indexesCopy[3] = j; /* jth row of matrix */
                pos[j] = _mesa_add_state_reference(paramList, (GLint*) indexesCopy);
                assert(pos[j] >= 0);
             }
diff --git a/src/mesa/shader/slang/slang_emit.c b/src/mesa/shader/slang/slang_emit.c
index 7584857493b..cef6299d62d 100644
--- a/src/mesa/shader/slang/slang_emit.c
+++ b/src/mesa/shader/slang/slang_emit.c
@@ -1354,7 +1354,7 @@ emit_struct_field(slang_var_table *vt, slang_ir_node *n,
       n->Store->Index = _slang_alloc_statevar(n, prog->Parameters);
       return NULL;
    }
-
+#if 0
    if (n->Children[0]->Store->File == PROGRAM_STATE_VAR) {
       /* state variable sub-field */
       GLint pos;
@@ -1371,6 +1371,7 @@ emit_struct_field(slang_var_table *vt, slang_ir_node *n,
       n->Store->Index = pos;
       n->Store->Swizzle = swizzle;
    }
+#endif
    else {
       _mesa_problem(NULL, "structs/fields not supported yet");
    }