2 files changed, 51 insertions, 27 deletions

diff --git a/src/mesa/main/config.h b/src/mesa/main/config.h
index e4995c35c44..8a09efdb539 100644
--- a/src/mesa/main/config.h
+++ b/src/mesa/main/config.h
@@ -170,9 +170,48 @@
 /** For GL_EXT_texture_lod_bias (typically MAX_TEXTURE_LEVELS - 1) */
 #define MAX_TEXTURE_LOD_BIAS 12.0
 
+/** For any program target/extension */
+/*@{*/
+#define MAX_PROGRAM_INSTRUCTIONS       (16 * 1024)
+
+/**
+ * Per-program constants (power of two)
+ *
+ * \c MAX_PROGRAM_LOCAL_PARAMS and \c MAX_UNIFORMS are just the assmebly shader
+ * and GLSL shader names for the same thing.  They should \b always have the
+ * same value.  Each refers to the number of vec4 values supplied as
+ * per-program parameters.
+ */
+/*@{*/
+#define MAX_PROGRAM_LOCAL_PARAMS       1024
+#define MAX_UNIFORMS                   1024
+/*@}*/
+
+/**
+ * Per-context constants (power of two)
+ *
+ * \note
+ * This value should always be less than or equal to \c MAX_PROGRAM_LOCAL_PARAMS
+ * and \c MAX_VERTEX_PROGRAM_PARAMS.  Otherwise some applications will make
+ * incorrect assumptions.
+ */
+#define MAX_PROGRAM_ENV_PARAMS         256
+
+#define MAX_PROGRAM_MATRICES           8
+#define MAX_PROGRAM_MATRIX_STACK_DEPTH 4
+#define MAX_PROGRAM_CALL_DEPTH         8
+#define MAX_PROGRAM_TEMPS              256
+#define MAX_PROGRAM_ADDRESS_REGS       2
+#define MAX_VARYING                    16    /**< number of float[4] vectors */
+#define MAX_SAMPLERS                   MAX_TEXTURE_IMAGE_UNITS
+#define MAX_PROGRAM_INPUTS             32
+#define MAX_PROGRAM_OUTPUTS            32
+/*@}*/
+
 /** For GL_ARB_vertex_program */
 /*@{*/
 #define MAX_VERTEX_PROGRAM_ADDRESS_REGS 1
+#define MAX_VERTEX_PROGRAM_PARAMS       MAX_UNIFORMS
 /*@}*/
 
 /** For GL_ARB_fragment_program */
@@ -180,23 +219,6 @@
 #define MAX_FRAGMENT_PROGRAM_ADDRESS_REGS 0
 /*@}*/
 
-/** For any program target/extension */
-/*@{*/
-#define MAX_PROGRAM_INSTRUCTIONS  (16 * 1024)
-#define MAX_PROGRAM_LOCAL_PARAMS 256 /**< per-program constants (power of two) */
-#define MAX_PROGRAM_ENV_PARAMS 256   /**< per-context constants (power of two) */
-#define MAX_PROGRAM_MATRICES 8
-#define MAX_PROGRAM_MATRIX_STACK_DEPTH 4
-#define MAX_PROGRAM_CALL_DEPTH 8
-#define MAX_PROGRAM_TEMPS 256
-#define MAX_PROGRAM_ADDRESS_REGS 2
-#define MAX_UNIFORMS 1024  /**< number of vec4 uniforms */
-#define MAX_VARYING 16     /**< number of float[4] vectors */
-#define MAX_SAMPLERS MAX_TEXTURE_IMAGE_UNITS
-#define MAX_PROGRAM_INPUTS 32
-#define MAX_PROGRAM_OUTPUTS 32
-/*@}*/
-
 /** For GL_NV_vertex_program */
 /*@{*/
 #define MAX_NV_VERTEX_PROGRAM_INSTRUCTIONS 128
diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c
index a9e520716d3..4651760d784 100644
--- a/src/mesa/main/context.c
+++ b/src/mesa/main/context.c
@@ -487,7 +487,7 @@ init_program_limits(GLenum type, struct gl_program_constants *prog)
    prog->MaxUniformComponents = 4 * MAX_UNIFORMS;
 
    if (type == GL_VERTEX_PROGRAM_ARB) {
-      prog->MaxParameters = MAX_NV_VERTEX_PROGRAM_PARAMS;
+      prog->MaxParameters = MAX_VERTEX_PROGRAM_PARAMS;
       prog->MaxAttribs = MAX_NV_VERTEX_PROGRAM_INPUTS;
       prog->MaxAddressRegs = MAX_VERTEX_PROGRAM_ADDRESS_REGS;
    }
@@ -497,15 +497,17 @@ init_program_limits(GLenum type, struct gl_program_constants *prog)
       prog->MaxAddressRegs = MAX_FRAGMENT_PROGRAM_ADDRESS_REGS;
    }
 
-   /* copy the above limits to init native limits */
-   prog->MaxNativeInstructions = prog->MaxInstructions;
-   prog->MaxNativeAluInstructions = prog->MaxAluInstructions;
-   prog->MaxNativeTexInstructions = prog->MaxTexInstructions;
-   prog->MaxNativeTexIndirections = prog->MaxTexIndirections;
-   prog->MaxNativeAttribs = prog->MaxAttribs;
-   prog->MaxNativeTemps = prog->MaxTemps;
-   prog->MaxNativeAddressRegs = prog->MaxAddressRegs;
-   prog->MaxNativeParameters = prog->MaxParameters;
+   /* Set the native limits to zero.  This implies that there is no native
+    * support for shaders.  Let the drivers fill in the actual values.
+    */
+   prog->MaxNativeInstructions = 0;
+   prog->MaxNativeAluInstructions = 0;
+   prog->MaxNativeTexInstructions = 0;
+   prog->MaxNativeTexIndirections = 0;
+   prog->MaxNativeAttribs = 0;
+   prog->MaxNativeTemps = 0;
+   prog->MaxNativeAddressRegs = 0;
+   prog->MaxNativeParameters = 0;
 }