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panfrost: Do per-sample shading when outputs are read

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Fixes dEQP-GLES31.functional.blend_equation_advanced.msaa.*

Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5930>
This commit is contained in:
Icecream95
2020-07-16 14:22:38 +12:00
committed by Marge Bot
parent c20d166b4e
commit 2a6db94b05
1 changed files with 7 additions and 2 deletions
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src/gallium/drivers/panfrost/pan_cmdstream.c
+7 -2
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@@ -554,8 +554,13 @@ panfrost_frag_meta_rasterizer_update(struct panfrost_context *ctx,
SET_BIT(fragmeta->unknown2_3, MALI_HAS_MSAA, msaa);
SET_BIT(fragmeta->unknown2_4, MALI_NO_MSAA, !msaa);
SET_BIT(fragmeta->unknown2_3, MALI_PER_SAMPLE,
msaa && ctx->min_samples > 1);
struct panfrost_shader_state *fs;
fs = panfrost_get_shader_state(ctx, PIPE_SHADER_FRAGMENT);
/* EXT_shader_framebuffer_fetch requires the shader to be run
* per-sample when outputs are read. */
bool per_sample = ctx->min_samples > 1 || fs->outputs_read;
SET_BIT(fragmeta->unknown2_3, MALI_PER_SAMPLE, msaa && per_sample);
fragmeta->depth_units = rast->offset_units * 2.0f;
fragmeta->depth_factor = rast->offset_scale;