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radv: enable location at sample when persample is forced. 

Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2017-02-23 14:24:20 +10:00
parent fc430c391b
commit 58c97a0791
1 changed files with 3 additions and 0 deletions
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3
src/amd/vulkan/radv_cmd_buffer.c
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@ -685,6 +685,9 @@ radv_emit_fragment_shader(struct radv_cmd_buffer *cmd_buffer,
radeon_set_context_reg(cmd_buffer->cs, R_0286D0_SPI_PS_INPUT_ADDR,
ps->config.spi_ps_input_addr);
if (ps->info.fs.force_persample)
spi_baryc_cntl |= S_0286E0_POS_FLOAT_LOCATION(2);
radeon_set_context_reg(cmd_buffer->cs, R_0286D8_SPI_PS_IN_CONTROL,
S_0286D8_NUM_INTERP(ps->info.fs.num_interp));