diff options
Diffstat (limited to 'src/gallium/drivers/svga/svga_tgsi.c')
| -rw-r--r-- | src/gallium/drivers/svga/svga_tgsi.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/gallium/drivers/svga/svga_tgsi.c b/src/gallium/drivers/svga/svga_tgsi.c index 202eee276b7..4c16f4313a0 100644 --- a/src/gallium/drivers/svga/svga_tgsi.c +++ b/src/gallium/drivers/svga/svga_tgsi.c @@ -240,6 +240,13 @@ svga_tgsi_vgpu9_translate(struct svga_context *svga, variant->pstipple_sampler_unit = emit.pstipple_sampler_unit; + /* If there was exactly one write to a fragment shader output register + * and it came from a constant buffer, we know all fragments will have + * the same color (except for blending). + */ + variant->constant_color_output = + emit.constant_color_output && emit.num_output_writes == 1; + #if 0 if (!svga_shader_verify(variant->tokens, variant->nr_tokens) || SVGA_DEBUG & DEBUG_TGSI) { |