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glsl: don't eliminate texcoords that can be set by GL_COORD_REPLACE

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Tested by examining generated TGSI shaders from piglit/glsl-routing.

Cc: mesa-stable@lists.freedesktop.org
Reviewed-by: Henri Verbeet <hverbeet@gmail.com>
Tested-by: Henri Verbeet <hverbeet@gmail.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
This commit is contained in:
Marek Olšák
2013-08-09 22:34:45 +02:00
parent a8346a2f52
commit d13003f544
3 changed files with 23 additions and 12 deletions
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src/glsl/ir_optimization.h
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@@ -77,7 +77,7 @@ bool do_copy_propagation(exec_list *instructions);
bool do_copy_propagation_elements(exec_list *instructions);
bool do_constant_propagation(exec_list *instructions);
void do_dead_builtin_varyings(struct gl_context *ctx,
exec_list *producer, exec_list *consumer,
gl_shader *producer, gl_shader *consumer,
unsigned num_tfeedback_decls,
class tfeedback_decl *tfeedback_decls);
bool do_dead_code(exec_list *instructions, bool uniform_locations_assigned);