1 files changed, 40 insertions, 17 deletions

diff --git a/src/mesa/shader/arbprogparse.c b/src/mesa/shader/arbprogparse.c
index 4d89d057c7..2e0fc3694a 100644
--- a/src/mesa/shader/arbprogparse.c
+++ b/src/mesa/shader/arbprogparse.c
@@ -53,23 +53,17 @@ having three separate program parameter arrays.
 
 #include "main/glheader.h"
 #include "main/imports.h"
+#include "main/context.h"
+#include "main/macros.h"
+#include "main/mtypes.h"
 #include "shader/grammar/grammar_mesa.h"
 #include "arbprogparse.h"
 #include "program.h"
 #include "programopt.h"
 #include "prog_parameter.h"
 #include "prog_statevars.h"
-#include "main/context.h"
-#include "main/macros.h"
-#include "main/mtypes.h"
 #include "prog_instruction.h"
 
-
-/* For ARB programs, use the NV instruction limits */
-#define MAX_INSTRUCTIONS MAX2(MAX_NV_FRAGMENT_PROGRAM_INSTRUCTIONS, \
-                              MAX_NV_VERTEX_PROGRAM_INSTRUCTIONS)
-
-
 /**
  * This is basically a union of the vertex_program and fragment_program
  * structs that we can use to parse the program into
@@ -985,6 +979,8 @@ parse_output_color_num (GLcontext * ctx, const GLubyte ** inst,
 
 
 /**
+ * Validate the index of a texture coordinate
+ *
  * \param coord The texture unit index
  * \return 0 on sucess, 1 on error
  */
@@ -994,8 +990,8 @@ parse_texcoord_num (GLcontext * ctx, const GLubyte ** inst,
 {
    GLint i = parse_integer (inst, Program);
 
-   if ((i < 0) || (i >= (int)ctx->Const.MaxTextureUnits)) {
-      program_error(ctx, Program->Position, "Invalid texture unit index");
+   if ((i < 0) || (i >= (int)ctx->Const.MaxTextureCoordUnits)) {
+      program_error(ctx, Program->Position, "Invalid texture coordinate index");
       return 1;
    }
 
@@ -1003,6 +999,29 @@ parse_texcoord_num (GLcontext * ctx, const GLubyte ** inst,
    return 0;
 }
 
+
+/**
+ * Validate the index of a texture image unit
+ *
+ * \param coord The texture unit index
+ * \return 0 on sucess, 1 on error
+ */
+static GLuint
+parse_teximage_num (GLcontext * ctx, const GLubyte ** inst,
+                    struct arb_program *Program, GLuint * coord)
+{
+   GLint i = parse_integer (inst, Program);
+
+   if ((i < 0) || (i >= (int)ctx->Const.MaxTextureImageUnits)) {
+      program_error(ctx, Program->Position, "Invalid texture image index");
+      return 1;
+   }
+
+   *coord = (GLuint) i;
+   return 0;
+}
+
+
 /**
  * \param coord The weight index
  * \return 0 on sucess, 1 on error
@@ -3041,7 +3060,7 @@ parse_fp_instruction (GLcontext * ctx, const GLubyte ** inst,
             return 1;
 
          /* texImageUnit */
-         if (parse_texcoord_num (ctx, inst, Program, &texcoord))
+         if (parse_teximage_num (ctx, inst, Program, &texcoord))
             return 1;
          fp->TexSrcUnit = texcoord;
 
@@ -3443,6 +3462,8 @@ parse_instructions(GLcontext * ctx, const GLubyte * inst,
       : ctx->Const.VertexProgram.MaxInstructions;
    GLint err = 0;
 
+   ASSERT(MAX_PROGRAM_INSTRUCTIONS >= maxInst);
+
    Program->MajorVersion = (GLuint) * inst++;
    Program->MinorVersion = (GLuint) * inst++;
 
@@ -3627,8 +3648,7 @@ enable_parser_extensions(GLcontext *ctx, grammar id)
    if (ctx->Extensions.NV_texture_rectangle
        && !enable_ext(ctx, id, "texture_rectangle"))
       return GL_FALSE;
-   if (ctx->Extensions.ARB_draw_buffers
-       && !enable_ext(ctx, id, "draw_buffers"))
+   if (!enable_ext(ctx, id, "draw_buffers"))
       return GL_FALSE;
    if (ctx->Extensions.MESA_texture_array
        && !enable_ext(ctx, id, "texture_array"))
@@ -3796,7 +3816,7 @@ _mesa_parse_arb_program(GLcontext *ctx, GLenum target,
 
    /* Initialize the arb_program struct */
    program->Base.String = strz;
-   program->Base.Instructions = _mesa_alloc_instructions(MAX_INSTRUCTIONS);
+   program->Base.Instructions = _mesa_alloc_instructions(MAX_PROGRAM_INSTRUCTIONS);
    program->Base.NumInstructions =
    program->Base.NumTemporaries =
    program->Base.NumParameters =
@@ -3841,12 +3861,12 @@ _mesa_parse_arb_program(GLcontext *ctx, GLenum target,
 
    _mesa_free (parsed);
 
-   /* Reallocate the instruction array from size [MAX_INSTRUCTIONS]
+   /* Reallocate the instruction array from size [MAX_PROGRAM_INSTRUCTIONS]
     * to size [ap.Base.NumInstructions].
     */
    program->Base.Instructions
       = _mesa_realloc_instructions(program->Base.Instructions,
-                                   MAX_INSTRUCTIONS,
+                                   MAX_PROGRAM_INSTRUCTIONS,
                                    program->Base.NumInstructions);
 
    return !err;
@@ -3899,6 +3919,9 @@ _mesa_parse_arb_fragment_program(GLcontext* ctx, GLenum target,
    program->FogOption          = ap.FogOption;
    program->UsesKill          = ap.UsesKill;
 
+   if (program->FogOption)
+      program->Base.InputsRead |= FRAG_BIT_FOGC;
+      
    if (program->Base.Instructions)
       _mesa_free(program->Base.Instructions);
    program->Base.Instructions = ap.Base.Instructions;