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nvc0: add note about where the viewport mask would go

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Not piping this all the way through yet, but no better place to note
this down. This will can be used with NV_viewport_array2.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
This commit is contained in:
Ilia Mirkin 2016-05-26 00:02:57 -04:00
parent b634936d3b
commit f998e5dc6b
1 changed files with 1 additions and 0 deletions
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src/gallium/drivers/nouveau/nvc0/nvc0_program.c
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@ -80,6 +80,7 @@ nvc0_shader_output_address(unsigned sn, unsigned si)
case TGSI_SEMANTIC_CLIPDIST: return 0x2c0 + si * 0x10;
case TGSI_SEMANTIC_CLIPVERTEX: return 0x270;
case TGSI_SEMANTIC_TEXCOORD: return 0x300 + si * 0x10;
/* case TGSI_SEMANTIC_VIEWPORT_MASK: return 0x3a0; */
case TGSI_SEMANTIC_EDGEFLAG: return ~0;
default:
assert(!"invalid TGSI output semantic");