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etnaviv: enable full overwrite in a few more cases

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Take into account the render target format when checking if the color
mask affects all channels of the RT. This allows to enable full
overwrite in a few cases where a non-alpha format is used.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
This commit is contained in:
Lucas Stach
2018-11-14 14:56:59 +01:00
parent 6dade5d534
commit b56d903b5a
1 changed files with 7 additions and 4 deletions
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src/gallium/drivers/etnaviv/etnaviv_blend.c
+7 -4
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@@ -114,6 +114,7 @@ etna_update_blend(struct etna_context *ctx)
struct pipe_blend_state *pblend = ctx->blend;
struct etna_blend_state *blend = etna_blend_state(pblend);
const struct pipe_rt_blend_state *rt0 = &pblend->rt[0];
const struct util_format_description *desc;
uint32_t colormask;
if (pfb->cbufs[0] &&
@@ -128,11 +129,13 @@ etna_update_blend(struct etna_context *ctx)
}
/* If the complete render target is written, set full_overwrite:
* - The color mask is 1111
* - No blending is used
* - The color mask covers all channels of the render target
* - No blending or logicop is used
*/
bool full_overwrite = ((rt0->colormask == 0xf) && blend->fo_allowed) ||
!pfb->cbufs[0];
if (pfb->cbufs[0])
desc = util_format_description(pfb->cbufs[0]->format);
bool full_overwrite = !pfb->cbufs[0] || ((blend->fo_allowed &&
util_format_colormask_full(desc, colormask)));
blend->PE_COLOR_FORMAT =
VIVS_PE_COLOR_FORMAT_COMPONENTS(colormask) |
COND(full_overwrite, VIVS_PE_COLOR_FORMAT_OVERWRITE);