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-rw-r--r--src/mesa/shader/program.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/src/mesa/shader/program.c b/src/mesa/shader/program.c
index 1f227390af..2097c39591 100644
--- a/src/mesa/shader/program.c
+++ b/src/mesa/shader/program.c
@@ -118,6 +118,49 @@ _mesa_free_program_data(GLcontext *ctx)
}
+/**
+ * Update the default program objects in the given context to reference those
+ * specified in the shared state and release those referencing the old
+ * shared state.
+ */
+void
+_mesa_update_default_objects_program(GLcontext *ctx)
+{
+#if FEATURE_NV_vertex_program || FEATURE_ARB_vertex_program
+ if (ctx->VertexProgram.Current) {
+ ctx->VertexProgram.Current->Base.RefCount--;
+ if (ctx->VertexProgram.Current->Base.RefCount <= 0)
+ ctx->Driver.DeleteProgram(ctx, &(ctx->VertexProgram.Current->Base));
+ }
+ ctx->VertexProgram.Current = (struct gl_vertex_program *) ctx->Shared->DefaultVertexProgram;
+ assert(ctx->VertexProgram.Current);
+ ctx->VertexProgram.Current->Base.RefCount++;
+#endif
+
+#if FEATURE_NV_fragment_program || FEATURE_ARB_fragment_program
+ if (ctx->FragmentProgram.Current) {
+ ctx->FragmentProgram.Current->Base.RefCount--;
+ if (ctx->FragmentProgram.Current->Base.RefCount <= 0)
+ ctx->Driver.DeleteProgram(ctx, &(ctx->FragmentProgram.Current->Base));
+ }
+ ctx->FragmentProgram.Current = (struct gl_fragment_program *) ctx->Shared->DefaultFragmentProgram;
+ assert(ctx->FragmentProgram.Current);
+ ctx->FragmentProgram.Current->Base.RefCount++;
+#endif
+
+ /* XXX probably move this stuff */
+#if FEATURE_ATI_fragment_shader
+ if (ctx->ATIFragmentShader.Current) {
+ ctx->ATIFragmentShader.Current->RefCount--;
+ if (ctx->ATIFragmentShader.Current->RefCount <= 0) {
+ _mesa_free(ctx->ATIFragmentShader.Current);
+ }
+ }
+ ctx->ATIFragmentShader.Current = (struct ati_fragment_shader *) ctx->Shared->DefaultFragmentShader;
+ assert(ctx->ATIFragmentShader.Current);
+ ctx->ATIFragmentShader.Current->RefCount++;
+#endif
+}
/**