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i965: Complain about variable index lowering when INTEL_DEBUG=perf. 

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Kenneth Graunke 2012-09-19 13:27:59 -07:00
parent 33dbac78a8
commit 225276c696
1 changed files with 8 additions and 2 deletions
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10
src/mesa/drivers/dri/i965/brw_shader.cpp
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@ -143,8 +143,14 @@ brw_link_shader(struct gl_context *ctx, struct gl_shader_program *shProg)
bool temp = stage == MESA_SHADER_FRAGMENT;
bool uniform = stage == MESA_SHADER_FRAGMENT;
lower_variable_index_to_cond_assign(shader->ir,
input, output, temp, uniform);
bool lowered_variable_indexing =
lower_variable_index_to_cond_assign(shader->ir,
input, output, temp, uniform);
if (unlikely((INTEL_DEBUG & DEBUG_PERF) && lowered_variable_indexing)) {
perf_debug("Unsupported form of variable indexing in FS; falling "
"back to very inefficient code generation\n");
}
/* FINISHME: Do this before the variable index lowering. */
lower_ubo_reference(&shader->base, shader->ir);