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st/mesa: remove output register reads inside shaders

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This is a GLSL2 regression fix.
This commit is contained in:
Marek Olšák 2010-08-16 01:53:30 +02:00
parent a0b0afc694
commit 83baa8a6c5
1 changed files with 8 additions and 0 deletions
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8
src/mesa/state_tracker/st_program.c
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@ -207,6 +207,9 @@ st_translate_vertex_program(struct st_context *st,
enum pipe_error error;
unsigned num_outputs;
_mesa_remove_output_reads(&stvp->Base.Base, PROGRAM_OUTPUT);
_mesa_remove_output_reads(&stvp->Base.Base, PROGRAM_VARYING);
ureg = ureg_create( TGSI_PROCESSOR_VERTEX );
if (ureg == NULL) {
FREE(vpv);
@ -298,6 +301,8 @@ st_translate_fragment_program(struct st_context *st,
ubyte fs_output_semantic_index[PIPE_MAX_SHADER_OUTPUTS];
uint fs_num_outputs = 0;
_mesa_remove_output_reads(&stfp->Base.Base, PROGRAM_OUTPUT);
/*
* Convert Mesa program inputs to TGSI input register semantics.
*/
@ -485,6 +490,9 @@ st_translate_geometry_program(struct st_context *st,
GLuint maxSlot = 0;
struct ureg_program *ureg;
_mesa_remove_output_reads(&stgp->Base.Base, PROGRAM_OUTPUT);
_mesa_remove_output_reads(&stgp->Base.Base, PROGRAM_VARYING);
ureg = ureg_create( TGSI_PROCESSOR_GEOMETRY );
if (ureg == NULL) {
return;