From: Tom Stellard <thomas.stell...@amd.com>
At least one interpolation mode must be enable, but the code that checks
this was not checking for perspective center.
---
src/gallium/drivers/radeonsi/si_state_draw.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/src/gallium/drivers/radeonsi/si_state_draw.c
b/src/gallium/drivers/radeonsi/si_state_draw.c
index 75df4e8..8f6dde0 100644
--- a/src/gallium/drivers/radeonsi/si_state_draw.c
+++ b/src/gallium/drivers/radeonsi/si_state_draw.c
@@ -171,6 +171,7 @@ static void si_pipe_shader_ps(struct pipe_context *ctx,
struct si_pipe_shader *s
spi_ps_input_ena = shader->spi_ps_input_ena;
/* we need to enable at least one of them, otherwise we hang the GPU */
if (!G_0286CC_PERSP_SAMPLE_ENA(spi_ps_input_ena) &&
+ !G_0286CC_PERSP_CENTER_ENA(spi_ps_input_ena) &&
!G_0286CC_PERSP_CENTROID_ENA(spi_ps_input_ena) &&
!G_0286CC_PERSP_PULL_MODEL_ENA(spi_ps_input_ena) &&
!G_0286CC_LINEAR_SAMPLE_ENA(spi_ps_input_ena) &&
--
1.7.3.4
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