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radeonsi: enable BC_OPTIMIZE if centroid isn't used

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This solution was recommended by a Catalyst developer.

Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
This commit is contained in:
Marek Olšák 2015-10-18 15:09:24 +02:00
parent 38391835b5
commit 8339585b12
1 changed files with 5 additions and 1 deletions
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6
src/gallium/drivers/radeonsi/si_state_shaders.c
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@ -404,6 +404,7 @@ static void si_shader_ps(struct si_shader *shader)
unsigned num_sgprs, num_user_sgprs;
unsigned spi_baryc_cntl = 0;
uint64_t va;
bool has_centroid;
pm4 = shader->pm4 = CALLOC_STRUCT(si_pm4_state);
@ -435,8 +436,11 @@ static void si_shader_ps(struct si_shader *shader)
}
}
has_centroid = G_0286CC_PERSP_CENTROID_ENA(shader->spi_ps_input_ena) ||
G_0286CC_LINEAR_CENTROID_ENA(shader->spi_ps_input_ena);
spi_ps_in_control = S_0286D8_NUM_INTERP(shader->nparam) |
S_0286D8_BC_OPTIMIZE_DISABLE(1);
S_0286D8_BC_OPTIMIZE_DISABLE(has_centroid);
si_pm4_set_reg(pm4, R_0286E0_SPI_BARYC_CNTL, spi_baryc_cntl);
si_pm4_set_reg(pm4, R_0286D8_SPI_PS_IN_CONTROL, spi_ps_in_control);