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st/mesa: add support for viewport index semantic

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This adds GS output and FS input support, even though FS input
support isn't supported until GLSL 4.30 from what I can see.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie
2014-01-21 14:55:59 +10:00
parent a21552a96b
commit c116ee6042
1 changed files with 9 additions and 0 deletions
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9
src/mesa/state_tracker/st_program.c
View File

@@ -572,6 +572,11 @@ st_translate_fragment_program(struct st_context *st,
input_semantic_index[slot] = 0;
interpMode[slot] = TGSI_INTERPOLATE_CONSTANT;
break;
case VARYING_SLOT_VIEWPORT:
input_semantic_name[slot] = TGSI_SEMANTIC_VIEWPORT_INDEX;
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;
@@ -1027,6 +1032,10 @@ st_translate_geometry_program(struct st_context *st,
gs_output_semantic_name[slot] = TGSI_SEMANTIC_PRIMID;
gs_output_semantic_index[slot] = 0;
break;
case VARYING_SLOT_VIEWPORT:
gs_output_semantic_name[slot] = TGSI_SEMANTIC_VIEWPORT_INDEX;
gs_output_semantic_index[slot] = 0;
break;
case VARYING_SLOT_TEX0:
case VARYING_SLOT_TEX1:
case VARYING_SLOT_TEX2: