Merge remote-tracking branch 'origin/released'

1 files changed, 69 insertions, 1 deletions

diff --git a/mesalib/src/mesa/main/uniforms.c b/mesalib/src/mesa/main/uniforms.c
index e6604b1a4..ccbd753db 100644
--- a/mesalib/src/mesa/main/uniforms.c
+++ b/mesalib/src/mesa/main/uniforms.c
@@ -497,6 +497,7 @@ GLint GLAPIENTRY
 _mesa_GetUniformLocationARB(GLhandleARB programObj, const GLcharARB *name)
 {
    struct gl_shader_program *shProg;
+   GLuint index, offset;
 
    GET_CURRENT_CONTEXT(ctx);
 
@@ -516,9 +517,71 @@ _mesa_GetUniformLocationARB(GLhandleARB programObj, const GLcharARB *name)
       return -1;
    }
 
-   return _mesa_get_uniform_location(ctx, shProg, name);
+   index = _mesa_get_uniform_location(ctx, shProg, name, &offset);
+   if (index == GL_INVALID_INDEX)
+      return -1;
+
+   return _mesa_uniform_merge_location_offset(index, offset);
 }
 
+static GLuint GLAPIENTRY
+_mesa_GetUniformBlockIndex(GLuint program,
+			   const GLchar *uniformBlockName)
+{
+   GET_CURRENT_CONTEXT(ctx);
+   GLuint i;
+   struct gl_shader_program *shProg;
+
+   if (!ctx->Extensions.ARB_uniform_buffer_object) {
+      _mesa_error(ctx, GL_INVALID_OPERATION, "glGetUniformBlockIndex");
+      return GL_INVALID_INDEX;
+   }
+
+   shProg = _mesa_lookup_shader_program_err(ctx, program,
+					    "glGetUniformBlockIndex");
+   if (!shProg)
+      return GL_INVALID_INDEX;
+
+   for (i = 0; i < shProg->NumUniformBlocks; i++) {
+      if (!strcmp(shProg->UniformBlocks[i].Name, uniformBlockName))
+	 return i;
+   }
+
+   return GL_INVALID_INDEX;
+}
+
+static void GLAPIENTRY
+_mesa_GetUniformIndices(GLuint program,
+			GLsizei uniformCount,
+			const GLchar * const *uniformNames,
+			GLuint *uniformIndices)
+{
+   GET_CURRENT_CONTEXT(ctx);
+   GLsizei i;
+   struct gl_shader_program *shProg;
+
+   if (!ctx->Extensions.ARB_uniform_buffer_object) {
+      _mesa_error(ctx, GL_INVALID_OPERATION, "glGetUniformIndices");
+      return;
+   }
+
+   shProg = _mesa_lookup_shader_program_err(ctx, program,
+					    "glGetUniformIndices");
+   if (!shProg)
+      return;
+
+   if (uniformCount < 0) {
+      _mesa_error(ctx, GL_INVALID_VALUE,
+		  "glGetUniformIndices(uniformCount < 0)");
+      return;
+   }
+
+   for (i = 0; i < uniformCount; i++) {
+      unsigned offset;
+      uniformIndices[i] = _mesa_get_uniform_location(ctx, shProg,
+						     uniformNames[i], &offset);
+   }
+}
 
 /**
  * Plug in shader uniform-related functions into API dispatch table.
@@ -577,5 +640,10 @@ _mesa_init_shader_uniform_dispatch(struct _glapi_table *exec)
    SET_GetnUniformuivARB(exec, _mesa_GetnUniformuivARB);
    SET_GetnUniformdvARB(exec, _mesa_GetnUniformdvARB); /* GL 4.0 */
 
+   /* GL_ARB_uniform_buffer_object / GL 3.1 */
+   SET_GetUniformBlockIndex(exec, _mesa_GetUniformBlockIndex);
+   SET_GetUniformIndices(exec, _mesa_GetUniformIndices);
+   SET_GetActiveUniformsiv(exec, _mesa_GetActiveUniformsiv);
+
 #endif /* FEATURE_GL */
 }