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authorRob Clark <[email protected]>2015-02-27 09:02:48 -0500
committerRob Clark <[email protected]>2015-03-03 10:41:00 -0500
commit4abb789bca95e9c23b2339ea7732833203c94639 (patch)
tree5f04fee444c07aa5de316569dfe10f90b6947411 /src/gallium
parent583a8a8f65c3086d21de864c602c6aa6283bcd45 (diff)
tgsi/lowering: don't forget interp for BCOLOR inputs
To lower two sided color, tgsi_lowering creates additional BCOLOR inputs (matching up to the BCOLOR outputs on the vert shader). These inputs should copy the interpolation state of their matching COLOR input. Signed-off-by: Rob Clark <[email protected]>
Diffstat (limited to 'src/gallium')
-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_lowering.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_lowering.c b/src/gallium/auxiliary/tgsi/tgsi_lowering.c
index dee6c419d11..4954c1178e5 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_lowering.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_lowering.c
@@ -1152,7 +1152,7 @@ transform_samp(struct tgsi_transform_context *tctx,
*/
#define TWOSIDE_GROW(n) ( \
2 + /* FACE */ \
- ((n) * 2) + /* IN[] BCOLOR[n] */ \
+ ((n) * 3) + /* IN[], BCOLOR[n], <intrp> */\
((n) * 1) + /* TEMP[] */ \
((n) * NINST(3)) /* CMP instr */ \
)
@@ -1172,13 +1172,17 @@ emit_twoside(struct tgsi_transform_context *tctx)
/* additional inputs for BCOLOR's */
for (i = 0; i < ctx->two_side_colors; i++) {
+ unsigned in_idx = ctx->two_side_idx[i];
decl = tgsi_default_full_declaration();
decl.Declaration.File = TGSI_FILE_INPUT;
decl.Declaration.Semantic = true;
decl.Range.First = decl.Range.Last = inbase + i;
decl.Semantic.Name = TGSI_SEMANTIC_BCOLOR;
- decl.Semantic.Index =
- info->input_semantic_index[ctx->two_side_idx[i]];
+ decl.Semantic.Index = info->input_semantic_index[in_idx];
+ decl.Declaration.Interpolate = true;
+ decl.Interp.Interpolate = info->input_interpolate[in_idx];
+ decl.Interp.Location = info->input_interpolate_loc[in_idx];
+ decl.Interp.CylindricalWrap = info->input_cylindrical_wrap[in_idx];
tctx->emit_declaration(tctx, &decl);
}