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radeonsi: pass sample_coverage VGPR index to the PS prolog instead of guessing

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The code was correct, but little confusing. This is cleaner.

Acked-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14266>
This commit is contained in:
Marek Olšák
2021-12-13 22:37:41 -05:00
committed by Marge Bot
parent 3283df1425
commit 12b942bd16
7 changed files with 21 additions and 7 deletions
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10
src/amd/common/ac_shader_util.c
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@@ -270,11 +270,13 @@ enum ac_image_dim ac_get_image_dim(enum chip_class chip_class, enum glsl_sampler
unsigned ac_get_fs_input_vgpr_cnt(const struct ac_shader_config *config,
signed char *face_vgpr_index_ptr,
signed char *ancillary_vgpr_index_ptr)
signed char *ancillary_vgpr_index_ptr,
signed char *sample_coverage_vgpr_index_ptr)
{
unsigned num_input_vgprs = 0;
signed char face_vgpr_index = -1;
signed char ancillary_vgpr_index = -1;
signed char sample_coverage_vgpr_index = -1;
if (G_0286CC_PERSP_SAMPLE_ENA(config->spi_ps_input_addr))
num_input_vgprs += 2;
@@ -308,8 +310,10 @@ unsigned ac_get_fs_input_vgpr_cnt(const struct ac_shader_config *config,
ancillary_vgpr_index = num_input_vgprs;
num_input_vgprs += 1;
}
if (G_0286CC_SAMPLE_COVERAGE_ENA(config->spi_ps_input_addr))
if (G_0286CC_SAMPLE_COVERAGE_ENA(config->spi_ps_input_addr)) {
sample_coverage_vgpr_index = num_input_vgprs;
num_input_vgprs += 1;
}
if (G_0286CC_POS_FIXED_PT_ENA(config->spi_ps_input_addr))
num_input_vgprs += 1;
@@ -317,6 +321,8 @@ unsigned ac_get_fs_input_vgpr_cnt(const struct ac_shader_config *config,
*face_vgpr_index_ptr = face_vgpr_index;
if (ancillary_vgpr_index_ptr)
*ancillary_vgpr_index_ptr = ancillary_vgpr_index;
if (sample_coverage_vgpr_index_ptr)
*sample_coverage_vgpr_index_ptr = sample_coverage_vgpr_index;
return num_input_vgprs;
}