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panfrost: Take the number of samples into account in blend shaders

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Midgard has to split the writeout instruction if the number of bits per
pixel exceeds 128. We thus need to take the number of samples into
account when creating blend shaders.

Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7984>
This commit is contained in:
Boris Brezillon 2020-12-08 11:42:15 +01:00 • committed by Marge Bot
parent e27052281a
commit dec4d15e67
5 changed files with 14 additions and 7 deletions
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3
.gitlab-ci/deqp-panfrost-t860-fails.txt
View file

@ -29,9 +29,6 @@ dEQP-GLES3.functional.fbo.msaa.4_samples.depth32f_stencil8,Fail
dEQP-GLES3.functional.fbo.msaa.4_samples.depth_component16,Fail
dEQP-GLES3.functional.fbo.msaa.4_samples.depth_component24,Fail
dEQP-GLES3.functional.fbo.msaa.4_samples.depth_component32f,Fail
dEQP-GLES3.functional.fbo.msaa.4_samples.rg32f,Fail
dEQP-GLES3.functional.fbo.msaa.4_samples.rgba16f,Fail
dEQP-GLES3.functional.fbo.msaa.4_samples.rgba32f,Fail
dEQP-GLES3.functional.fbo.msaa.4_samples.stencil_index8,Fail
dEQP-GLES2.functional.shaders.indexing.tmp_array.float_const_write_dynamic_loop_read_fragment,Crash
dEQP-GLES2.functional.shaders.indexing.tmp_array.float_const_write_dynamic_loop_read_vertex,Crash

5
src/gallium/drivers/panfrost/pan_blend.h
View file

@ -47,6 +47,9 @@ struct panfrost_blend_shader_key {
unsigned logicop_enable : 1;
unsigned logicop_func:4;
/* Number of samples */
unsigned nr_samples : 5;
struct pipe_rt_blend_state equation;
};
@ -143,7 +146,7 @@ panfrost_get_blend_for_context(struct panfrost_context *ctx, unsigned rt, struct
struct panfrost_blend_shader *
panfrost_get_blend_shader(struct panfrost_context *ctx,
struct panfrost_blend_state *blend,
enum pipe_format fmt,
enum pipe_format fmt, unsigned nr_samples,
unsigned rt,
const float *constants);

8
src/gallium/drivers/panfrost/pan_blend_cso.c
View file

@ -69,7 +69,7 @@
struct panfrost_blend_shader *
panfrost_get_blend_shader(struct panfrost_context *ctx,
struct panfrost_blend_state *blend,
enum pipe_format fmt,
enum pipe_format fmt, unsigned nr_samples,
unsigned rt,
const float *constants)
{
@ -81,6 +81,7 @@ panfrost_get_blend_shader(struct panfrost_context *ctx,
struct panfrost_blend_shader_key key = {
.rt = rt,
.format = fmt,
.nr_samples = MAX2(nr_samples, 1),
.has_constants = constants != NULL,
.logicop_enable = blend->base.logicop_enable,
};
@ -254,9 +255,12 @@ panfrost_get_blend_for_context(struct panfrost_context *ctx, unsigned rti, struc
}
}
unsigned nr_samples = fb->cbufs[rti]->nr_samples ? :
fb->cbufs[rti]->texture->nr_samples;
/* Otherwise, we need to grab a shader */
struct panfrost_blend_shader *shader =
panfrost_get_blend_shader(ctx, blend, fmt, rti,
panfrost_get_blend_shader(ctx, blend, fmt, nr_samples, rti,
rt->constant_mask ?
ctx->blend_color.color : NULL);

1
src/gallium/drivers/panfrost/pan_blend_shaders.c
View file

@ -287,6 +287,7 @@ panfrost_compile_blend_shader(struct panfrost_blend_shader *shader,
.gpu_id = dev->gpu_id,
.is_blend = true,
.blend.rt = shader->key.rt,
.blend.nr_samples = shader->key.nr_samples,
.rt_formats = {shader->key.format},
};

4
src/gallium/drivers/panfrost/pan_job.c
View file

@ -825,7 +825,9 @@ panfrost_load_surface(struct panfrost_batch *batch, struct pipe_surface *surf, u
if (loc >= FRAG_RESULT_DATA0 && !panfrost_can_fixed_blend(rsrc->base.format)) {
struct panfrost_blend_shader *b =
panfrost_get_blend_shader(batch->ctx, batch->ctx->blit_blend,
rsrc->base.format, loc - FRAG_RESULT_DATA0,
rsrc->base.format,
rsrc->base.nr_samples,
loc - FRAG_RESULT_DATA0,
NULL);
struct panfrost_bo *bo = panfrost_batch_create_bo(batch, b->size,