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authorZack Rusin <[email protected]>2013-04-10 15:28:01 -0700
committerZack Rusin <[email protected]>2013-04-16 23:38:46 -0700
commit93627e33cc4c4e8f800fdb61693c1107e6cdcd2e (patch)
tree458dc1d84eb17b3e696758a44166bf4d0d2fdb35 /src/gallium/auxiliary/tgsi/tgsi_exec.c
parent88db6f0a73cd988b14e95e5f506b4e5ac355f065 (diff)
tgsi/exec: geometry shaders are executed on a single primitive
which means that our execution mask in GS is equal to 1 not 0xf. Signed-off-by: Zack Rusin <[email protected]> Reviewed-by: Jose Fonseca <[email protected]> Reviewed-by: Brian Paul <[email protected]>
Diffstat (limited to 'src/gallium/auxiliary/tgsi/tgsi_exec.c')
-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_exec.c30
1 files changed, 17 insertions, 13 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.c b/src/gallium/auxiliary/tgsi/tgsi_exec.c
index 3de15730e75..8b46785d66c 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_exec.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_exec.c
@@ -4422,14 +4422,25 @@ tgsi_exec_machine_run( struct tgsi_exec_machine *mach )
{
uint i;
int pc = 0;
+ uint default_mask = 0xf;
- mach->CondMask = 0xf;
- mach->LoopMask = 0xf;
- mach->ContMask = 0xf;
- mach->FuncMask = 0xf;
- mach->ExecMask = 0xf;
+ mach->Temps[TEMP_KILMASK_I].xyzw[TEMP_KILMASK_C].u[0] = 0;
+ mach->Temps[TEMP_OUTPUT_I].xyzw[TEMP_OUTPUT_C].u[0] = 0;
+
+ if( mach->Processor == TGSI_PROCESSOR_GEOMETRY ) {
+ mach->Temps[TEMP_PRIMITIVE_I].xyzw[TEMP_PRIMITIVE_C].u[0] = 0;
+ mach->Primitives[0] = 0;
+ /* GS runs on a single primitive for now */
+ default_mask = 0x1;
+ }
+
+ mach->CondMask = default_mask;
+ mach->LoopMask = default_mask;
+ mach->ContMask = default_mask;
+ mach->FuncMask = default_mask;
+ mach->ExecMask = default_mask;
- mach->Switch.mask = 0xf;
+ mach->Switch.mask = default_mask;
assert(mach->CondStackTop == 0);
assert(mach->LoopStackTop == 0);
@@ -4438,13 +4449,6 @@ tgsi_exec_machine_run( struct tgsi_exec_machine *mach )
assert(mach->BreakStackTop == 0);
assert(mach->CallStackTop == 0);
- mach->Temps[TEMP_KILMASK_I].xyzw[TEMP_KILMASK_C].u[0] = 0;
- mach->Temps[TEMP_OUTPUT_I].xyzw[TEMP_OUTPUT_C].u[0] = 0;
-
- if( mach->Processor == TGSI_PROCESSOR_GEOMETRY ) {
- mach->Temps[TEMP_PRIMITIVE_I].xyzw[TEMP_PRIMITIVE_C].u[0] = 0;
- mach->Primitives[0] = 0;
- }
/* execute declarations (interpolants) */
for (i = 0; i < mach->NumDeclarations; i++) {