summaryrefslogtreecommitdiff
path: root/src/mesa/drivers/dri/r300/compiler/r3xx_fragprog.c
diff options
context:
space:
mode:
authorTom Stellard <tstellar@gmail.com>2010-07-08 14:40:48 -0700
committerTom Stellard <tstellar@gmail.com>2010-07-08 21:11:03 -0700
commit8a8e311d8c3c60982d101826a4aa013672730e6c (patch)
treeb359b41b590721ea71529851bed61a25c9a97cb1 /src/mesa/drivers/dri/r300/compiler/r3xx_fragprog.c
parent3724a2e65f5b3aa6e123889342a3e9c4d05903f5 (diff)
r300/compiler: Add a register rename pass.
This pass renames register in order to make it easier for the pair scheduler to group TEX instructions together. This fixes fdo bug #28606
Diffstat (limited to 'src/mesa/drivers/dri/r300/compiler/r3xx_fragprog.c')
-rw-r--r--src/mesa/drivers/dri/r300/compiler/r3xx_fragprog.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r300/compiler/r3xx_fragprog.c b/src/mesa/drivers/dri/r300/compiler/r3xx_fragprog.c
index de2452af26..a326ee4c4f 100644
--- a/src/mesa/drivers/dri/r300/compiler/r3xx_fragprog.c
+++ b/src/mesa/drivers/dri/r300/compiler/r3xx_fragprog.c
@@ -29,6 +29,7 @@
#include "radeon_emulate_loops.h"
#include "radeon_program_alu.h"
#include "radeon_program_tex.h"
+#include "radeon_rename_regs.h"
#include "r300_fragprog.h"
#include "r300_fragprog_swizzle.h"
#include "r500_fragprog.h"
@@ -179,6 +180,16 @@ void r3xx_compile_fragment_program(struct r300_fragment_program_compiler* c)
debug_program_log(c, "after dataflow passes");
+ if(!c->Base.is_r500) {
+ /* This pass makes it easier for the scheduler to group TEX
+ * instructions and reduces the chances of creating too
+ * many texture indirections.*/
+ rc_rename_regs(&c->Base);
+ if (c->Base.Error)
+ return;
+ debug_program_log(c, "after register rename");
+ }
+
rc_pair_translate(c);
if (c->Base.Error)
return;