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amd/common: Add num_shared_vgprs to ac_shader_config for GFX10.

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In GFX10 wave64 mode, shared VGPRs allow the two wave halves to
share some data with each other.

Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Timur Kristóf 2019-09-13 15:38:50 +02:00 • committed by Connor Abbott
parent db1fddcf0f
commit 7bde4ddaf7
2 changed files with 20 additions and 0 deletions
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18
src/amd/common/ac_binary.c
View file

@ -63,11 +63,29 @@ void ac_parse_shader_binary_config(const char *data, size_t nbytes,
break;
case R_00B02C_SPI_SHADER_PGM_RSRC2_PS:
conf->lds_size = MAX2(conf->lds_size, G_00B02C_EXTRA_LDS_SIZE(value));
conf->num_shared_vgprs = G_00B02C_SHARED_VGPR_CNT(value);
conf->rsrc2 = value;
break;
case R_00B12C_SPI_SHADER_PGM_RSRC2_VS:
conf->num_shared_vgprs = G_00B12C_SHARED_VGPR_CNT(value);
conf->rsrc2 = value;
break;
case R_00B22C_SPI_SHADER_PGM_RSRC2_GS:
conf->num_shared_vgprs = G_00B22C_SHARED_VGPR_CNT(value);
conf->rsrc2 = value;
break;
case R_00B42C_SPI_SHADER_PGM_RSRC2_HS:
conf->num_shared_vgprs = G_00B42C_SHARED_VGPR_CNT(value);
conf->rsrc2 = value;
break;
case R_00B84C_COMPUTE_PGM_RSRC2:
conf->lds_size = MAX2(conf->lds_size, G_00B84C_LDS_SIZE(value));
conf->rsrc2 = value;
break;
case R_00B8A0_COMPUTE_PGM_RSRC3:
conf->num_shared_vgprs = G_00B8A0_SHARED_VGPR_CNT(value);
conf->rsrc3 = value;
break;
case R_0286CC_SPI_PS_INPUT_ENA:
conf->spi_ps_input_ena = value;
break;

2
src/amd/common/ac_binary.h
View file

@ -35,6 +35,7 @@ extern "C" {
struct ac_shader_config {
unsigned num_sgprs;
unsigned num_vgprs;
unsigned num_shared_vgprs; /* GFX10: number of VGPRs shared between half-waves */
unsigned spilled_sgprs;
unsigned spilled_vgprs;
unsigned lds_size; /* in HW allocation units; i.e 256 bytes on SI, 512 bytes on CI+ */
@ -44,6 +45,7 @@ struct ac_shader_config {
unsigned scratch_bytes_per_wave;
unsigned rsrc1;
unsigned rsrc2;
unsigned rsrc3;
};
void ac_parse_shader_binary_config(const char *data, size_t nbytes,