mesa: Add structures for "new style" uniform tracking in shader programs

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Tested-by: Tom Stellard <thomas.stellard@amd.com>

src/mesa/main/mtypes.h

@@ -77,6 +77,7 @@ struct gl_program_cache;
 struct gl_texture_object;
 struct gl_context;
 struct st_context;
+struct gl_uniform_storage;
 /*@}*/
 
 
@@ -2205,6 +2206,30 @@ struct gl_shader_program
    } Vert;
 
    /* post-link info: */
+   unsigned NumUserUniformStorage;
+   struct gl_uniform_storage *UniformStorage;
+
+   /**
+    * Map of active uniform names to locations
+    *
+    * Maps any active uniform that is not an array element to a location.
+    * Each active uniform, including individual structure members will appear
+    * in this map.  This roughly corresponds to the set of names that would be
+    * enumerated by \c glGetActiveUniform.
+    */
+   struct string_to_uint_map *UniformHash;
+
+   /**
+    * Map from sampler unit to texture unit (set by glUniform1i())
+    *
+    * A sampler unit is associated with each sampler uniform by the linker.
+    * The sampler unit associated with each uniform is stored in the
+    * \c gl_uniform_storage::sampler field.
+    */
+   GLubyte SamplerUnits[MAX_SAMPLERS];
+   /** Which texture target is being sampled (TEXTURE_1D/2D/3D/etc_INDEX) */
+   gl_texture_index SamplerTargets[MAX_SAMPLERS];
+
    struct gl_uniform_list *Uniforms;
    struct gl_program_parameter_list *Varying;
    GLboolean LinkStatus;   /**< GL_LINK_STATUS */