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glsl: propagate MaxUnrollIterations to the optimizer's loop unroller

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Instead of the hard-coded value of 32.  Note that MaxUnrollIterations
defaults to 32 so there's no net change.  But the gallium state tracker
can override this.

NOTE: This is a candidate for the 8.0 branch.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Brian Paul 2012-03-20 17:43:12 -06:00
parent 9bd38f3c67
commit 7feabfe23d
1 changed files with 3 additions and 1 deletions
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4
src/glsl/linker.cpp
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@ -2294,7 +2294,9 @@ link_shaders(struct gl_context *ctx, struct gl_shader_program *prog)
if (ctx->ShaderCompilerOptions[i].LowerClipDistance)
lower_clip_distance(prog->_LinkedShaders[i]->ir);
while (do_common_optimization(prog->_LinkedShaders[i]->ir, true, false, 32))
unsigned max_unroll = ctx->ShaderCompilerOptions[i].MaxUnrollIterations;
while (do_common_optimization(prog->_LinkedShaders[i]->ir, true, false, max_unroll))
;
}