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mesa: Actually use the Mesa IR optimizer for ARB programs. 

On Haswell, this cuts 1-3 instructions from 183 vertex shaders in
"Shadowrun Returns", "Shatter", and "Trine 2."  It adds 2 instructions
to a single fragment shader in "Closure."

total instructions in shared programs: 278803 -> 278546 (-0.09%)
instructions in affected programs:     41930 -> 41673 (-0.61%)

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Kenneth Graunke 2014-08-02 05:33:14 -07:00
parent b48621c348
commit f82f2fb3dc
1 changed files with 7 additions and 0 deletions
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7
src/mesa/program/arbprogparse.c
View File

@ -60,6 +60,7 @@ having three separate program parameter arrays.
#include "prog_parameter.h"
#include "prog_statevars.h"
#include "prog_instruction.h"
#include "prog_optimize.h"
#include "program_parser.h"
@ -84,6 +85,9 @@ _mesa_parse_arb_fragment_program(struct gl_context* ctx, GLenum target,
return;
}
if ((ctx->_Shader->Flags & GLSL_NO_OPT) == 0)
_mesa_optimize_program(ctx, &prog);
free(program->Base.String);
/* Copy the relevant contents of the arb_program struct into the
@ -177,6 +181,9 @@ _mesa_parse_arb_vertex_program(struct gl_context *ctx, GLenum target,
return;
}
if ((ctx->_Shader->Flags & GLSL_NO_OPT) == 0)
_mesa_optimize_program(ctx, &prog);
free(program->Base.String);
/* Copy the relevant contents of the arb_program struct into the