Mesa (master): st_glsl_to_tgsi: add support for prim id fragment shader input
Dave Airlie
airlied at kemper.freedesktop.org
Wed Dec 18 22:47:26 UTC 2013
Module: Mesa
Branch: master
Commit: 149140e922a9fbf892c60a755788fb88d9757749
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=149140e922a9fbf892c60a755788fb88d9757749
Author: Dave Airlie <airlied at redhat.com>
Date: Wed Dec 18 18:00:33 2013 +1000
st_glsl_to_tgsi: add support for prim id fragment shader input
For GLSL 1.50 we can get frag shaders with primitive id as an
input, add support to the translator for this.
Reviewed-by: Brian Paul <brianp at vmware.com>
Signed-off-by: Dave Airlie <airlied at redhat.com>
---
src/mesa/state_tracker/st_program.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/src/mesa/state_tracker/st_program.c b/src/mesa/state_tracker/st_program.c
index e7c357c..f72122b 100644
--- a/src/mesa/state_tracker/st_program.c
+++ b/src/mesa/state_tracker/st_program.c
@@ -567,6 +567,11 @@ st_translate_fragment_program(struct st_context *st,
input_semantic_index[slot] = 0;
interpMode[slot] = TGSI_INTERPOLATE_CONSTANT;
break;
+ case VARYING_SLOT_PRIMITIVE_ID:
+ input_semantic_name[slot] = TGSI_SEMANTIC_PRIMID;
+ input_semantic_index[slot] = 0;
+ interpMode[slot] = TGSI_INTERPOLATE_CONSTANT;
+ break;
case VARYING_SLOT_CLIP_DIST0:
input_semantic_name[slot] = TGSI_SEMANTIC_CLIPDIST;
input_semantic_index[slot] = 0;
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