Module: Mesa
Branch: master
Commit: 5fff032dd513c74e4fdd2ac04197f09531720c77
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=5fff032dd513c74e4fdd2ac04197f09531720c77

Author: Tom Stellard <[email protected]>
Date:   Fri Sep  7 08:29:13 2012 -0400

radeonsi: Add missing interpolation mode to check for enabled modes

At least one interpolation mode must be enable, but the code that checks
this was not checking for perspective center.

Reviewed-by: Michel Dänzer <[email protected]>

---

 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) &&

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