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-rw-r--r--src/gallium/drivers/r600/r600_state.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/gallium/drivers/r600/r600_state.c b/src/gallium/drivers/r600/r600_state.c
index 9774bdd0465..9a33ab943fb 100644
--- a/src/gallium/drivers/r600/r600_state.c
+++ b/src/gallium/drivers/r600/r600_state.c
@@ -2477,6 +2477,10 @@ void r600_update_ps_state(struct pipe_context *ctx, struct r600_pipe_shader *sha
tmp = S_028644_SEMANTIC(sid);
+ /* D3D 9 behaviour. GL is undefined */
+ if (rshader->input[i].name == TGSI_SEMANTIC_COLOR && rshader->input[i].sid == 0)
+ tmp |= S_028644_DEFAULT_VAL(3);
+
if (rshader->input[i].name == TGSI_SEMANTIC_POSITION ||
rshader->input[i].interpolate == TGSI_INTERPOLATE_CONSTANT ||
(rshader->input[i].interpolate == TGSI_INTERPOLATE_COLOR &&