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authorDave Airlie <[email protected]>2011-09-15 12:39:26 +0100
committerDave Airlie <[email protected]>2011-09-16 09:26:57 +0100
commit2dfabdd0a479a29d23aa6b10a0b6bfeb48e956b2 (patch)
tree0be0c4bdd32de19fad48405bfc543259f251bd0c /src/gallium/drivers
parent21c5607e64ca4ef68730d8e846d8e7744ecdd024 (diff)
r600g: take constantly interpolated values into a/c
We could constant interpolated values now and set have_perspective if nothing else is set to avoid a GPU hang. Signed-off-by: Dave Airlie <[email protected]>
Diffstat (limited to 'src/gallium/drivers')
-rw-r--r--src/gallium/drivers/r600/evergreen_state.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/src/gallium/drivers/r600/evergreen_state.c b/src/gallium/drivers/r600/evergreen_state.c
index 0e7e635ce8e..3b7844f0fa4 100644
--- a/src/gallium/drivers/r600/evergreen_state.c
+++ b/src/gallium/drivers/r600/evergreen_state.c
@@ -2230,9 +2230,7 @@ void evergreen_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader
else if (rshader->input[i].name == TGSI_SEMANTIC_FACE)
face_index = i;
else {
- if (rshader->input[i].interpolate == TGSI_INTERPOLATE_LINEAR ||
- rshader->input[i].interpolate == TGSI_INTERPOLATE_PERSPECTIVE)
- ninterp++;
+ ninterp++;
if (rshader->input[i].interpolate == TGSI_INTERPOLATE_LINEAR)
have_linear = TRUE;
if (rshader->input[i].interpolate == TGSI_INTERPOLATE_PERSPECTIVE)
@@ -2274,6 +2272,9 @@ void evergreen_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader
have_perspective = TRUE;
}
+ if (!have_perspective && !have_linear)
+ have_perspective = TRUE;
+
spi_ps_in_control_0 = S_0286CC_NUM_INTERP(ninterp) |
S_0286CC_PERSP_GRADIENT_ENA(have_perspective) |
S_0286CC_LINEAR_GRADIENT_ENA(have_linear);