ir_to_mesa: Don't forget to run the Mesa IR optimization passes.

With how we generate assignments, the trivial copy propagation in it
is really important, and some drivers will really want the register
allocation, too.

diff --git a/src/mesa/shader/ir_to_mesa.cpp b/src/mesa/shader/ir_to_mesa.cpp
index d5664e7b91e3d14858357e3993fc82956be49f44..11fb7b9f16af1c747436c9fe58c490896643abc1 100644 (file)
--- a/src/mesa/shader/ir_to_mesa.cpp
+++ b/src/mesa/shader/ir_to_mesa.cpp
@@ -44,6 +44,7 @@
 extern "C" {
 #include "main/mtypes.h"
 #include "shader/prog_instruction.h"
+#include "shader/prog_optimize.h"
 #include "shader/prog_print.h"
 #include "shader/program.h"
 #include "shader/prog_uniform.h"
@@ -1675,6 +1676,10 @@ get_mesa_program(GLcontext *ctx, void *mem_ctx, struct gl_shader *shader)
 
    _mesa_reference_program(ctx, &shader->Program, prog);
 
+   if ((ctx->Shader.Flags & GLSL_NO_OPT) == 0) {
+      _mesa_optimize_program(ctx, prog);
+   }
+
    return prog;
 }