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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 <zackr@vmware.com>
Reviewed-by: Jose Fonseca <jfonseca@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
This commit is contained in:
Zack Rusin 2013-04-10 15:28:01 -07:00
parent 88db6f0a73
commit 93627e33cc
1 changed files with 17 additions and 13 deletions
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30
src/gallium/auxiliary/tgsi/tgsi_exec.c
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@ -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;
mach->Switch.mask = 0xf;
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 = 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++) {