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r600g: Change default behaviour for undefined COLOR0

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d3d 9 needs COLOR0 to be 1.0 on all channels when
undefined. 0.0 for the others is fine.
GL behaviour is undefined.

Signed-off-by: Axel Davy <axel.davy@ens.fr>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Axel Davy
2016-04-03 21:47:11 +02:00
parent 7e05e4c388
commit a221f40dbb
1 changed files with 4 additions and 0 deletions
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src/gallium/drivers/r600/evergreen_state.c
+4
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@@ -2988,6 +2988,10 @@ void evergreen_update_ps_state(struct pipe_context *ctx, struct r600_pipe_shader
if (sid) {
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 &&