From: Dave Airlie <airl...@redhat.com>
We want to use the SysSemanticToIndex to tell if we've seen
the semantics at all.
Also add semantic swizzle support.
Signed-off-by: Dave Airlie <airl...@redhat.com>
---
src/gallium/auxiliary/tgsi/tgsi_exec.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.c
b/src/gallium/auxiliary/tgsi/tgsi_exec.c
index d914ef5..d86b1ca 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_exec.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_exec.c
@@ -898,6 +898,9 @@ tgsi_exec_machine_bind_shader(
mach->ImmLimit = 0;
mach->NumOutputs = 0;
+ for (k = 0; k < TGSI_SEMANTIC_COUNT; k++)
+ mach->SysSemanticToIndex[k] = -1;
+
if (mach->ShaderType == PIPE_SHADER_GEOMETRY &&
!mach->UsedGeometryShader) {
struct tgsi_exec_vector *inputs;
@@ -1284,7 +1287,7 @@ fetch_src_file_channel(const struct tgsi_exec_machine
*mach,
* gl_FragCoord, for example, in a sys value register.
*/
for (i = 0; i < TGSI_QUAD_SIZE; i++) {
- chan->u[i] = mach->SystemValue[index->i[i]].xyzw[0].u[i];
+ chan->u[i] = mach->SystemValue[index->i[i]].xyzw[swizzle].u[i];
}
break;
--
2.5.5
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