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gallium/u_blitter: work around broken sample shading in llvmpipe and zink

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Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13602>
This commit is contained in:
Marek Olšák 2021-11-04 09:56:49 -04:00 • committed by Marge Bot
parent eb34716c1f
commit 8b287c3f92
4 changed files with 11 additions and 0 deletions
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7
src/gallium/auxiliary/util/u_blitter.c
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@ -349,6 +349,13 @@ struct blitter_context *util_blitter_create(struct pipe_context *pipe)
return &ctx->base;
}
void util_blitter_sample_shading_force_off(struct blitter_context *blitter)
{
struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
ctx->has_sample_shading = false;
}
void *util_blitter_get_noop_blend_state(struct blitter_context *blitter)
{
struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;

1
src/gallium/auxiliary/util/u_blitter.h
View file

@ -154,6 +154,7 @@ struct blitter_context *util_blitter_create(struct pipe_context *pipe);
*/
void util_blitter_destroy(struct blitter_context *blitter);
void util_blitter_sample_shading_force_off(struct blitter_context *blitter);
void util_blitter_cache_all_shaders(struct blitter_context *blitter);
void *util_blitter_get_noop_blend_state(struct blitter_context *blitter);
void *util_blitter_get_noop_dsa_state(struct blitter_context *blitter);

1
src/gallium/drivers/llvmpipe/lp_context.c
View file

@ -268,6 +268,7 @@ llvmpipe_create_context(struct pipe_screen *screen, void *priv,
goto fail;
}
util_blitter_sample_shading_force_off(llvmpipe->blitter);
/* must be done before installing Draw stages */
util_blitter_cache_all_shaders(llvmpipe->blitter);

2
src/gallium/drivers/zink/zink_context.c
View file

@ -4153,6 +4153,8 @@ zink_context_create(struct pipe_screen *pscreen, void *priv, unsigned flags)
if (!ctx->blitter)
goto fail;
util_blitter_sample_shading_force_off(ctx->blitter);
ctx->gfx_pipeline_state.shader_keys.last_vertex.key.vs_base.last_vertex_stage = true;
ctx->last_vertex_stage_dirty = true;
ctx->gfx_pipeline_state.shader_keys.key[PIPE_SHADER_VERTEX].size = sizeof(struct zink_vs_key_base);