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panfrost: Use NIR helper invocations info 

We don't need to guesstimate this ourselves. This will help when we
bringup derivatives.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
This commit is contained in:
Alyssa Rosenzweig 2019-07-23 16:49:37 -07:00
parent fb2fe6e7bc
commit 48991c7a1f
3 changed files with 5 additions and 1 deletions
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1
src/gallium/drivers/panfrost/pan_assemble.c
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@ -94,6 +94,7 @@ panfrost_shader_compile(struct panfrost_context *ctx, struct mali_shader_meta *m
state->can_discard = program.can_discard;
state->writes_point_size = program.writes_point_size;
state->reads_point_coord = false;
state->helper_invocations = s->info.fs.needs_helper_invocations;
/* Separate as primary uniform count is truncated */
state->uniform_count = program.uniform_count;

2
src/gallium/drivers/panfrost/pan_context.c
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@ -1132,7 +1132,7 @@ panfrost_emit_for_draw(struct panfrost_context *ctx, bool with_vertex_data)
/* Any time texturing is used, derivatives are implicitly
* calculated, so we need to enable helper invocations */
if (ctx->sampler_view_count[PIPE_SHADER_FRAGMENT])
if (variant->helper_invocations)
flags |= MALI_HELPER_INVOCATIONS;
ctx->fragment_shader_core.midgard1.flags = flags;

3
src/gallium/drivers/panfrost/pan_context.h
View File

@ -227,6 +227,9 @@ struct panfrost_shader_state {
uint16_t point_sprite_mask;
unsigned point_sprite_upper_left : 1;
/* Should we enable helper invocations */
bool helper_invocations;
};
/* A collection of varyings (the CSO) */