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panfrost: Set MALI_BIFROST_EARLY_Z as necessary

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Fixes blending.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5232>
This commit is contained in:
Alyssa Rosenzweig 2020-05-26 19:48:25 -04:00
parent 3f78f25ce9
commit ee6a5a5f05
1 changed files with 11 additions and 1 deletions
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12
src/gallium/drivers/panfrost/pan_cmdstream.c
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@ -332,7 +332,7 @@ panfrost_shader_meta_init(struct panfrost_context *ctx,
else {
/* First clause ATEST |= 0x4000000.
* Less than 32 regs |= 0x200 */
meta->bifrost1.unk1 = 0x958020;
meta->bifrost1.unk1 = 0x950020;
}
meta->bifrost1.uniform_buffer_count = panfrost_ubo_count(ctx, st);
@ -730,6 +730,16 @@ panfrost_frag_meta_blend_update(struct panfrost_context *ctx,
return;
}
if (dev->quirks & IS_BIFROST) {
bool no_blend = true;
for (unsigned i = 0; i < rt_count; ++i)
no_blend &= (blend[i].no_blending | blend[i].no_colour);
SET_BIT(fragmeta->bifrost1.unk1, MALI_BIFROST_EARLY_Z,
!fs->can_discard && !fs->writes_depth && no_blend);
}
/* Additional blend descriptor tacked on for jobs using MFBD */
for (unsigned i = 0; i < rt_count; ++i) {