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path: root/src/gallium/drivers/r600/r600_shader.c
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Diffstat (limited to 'src/gallium/drivers/r600/r600_shader.c')
-rw-r--r--src/gallium/drivers/r600/r600_shader.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c
index 5cdbe2bfe8..b20a5a11be 100644
--- a/src/gallium/drivers/r600/r600_shader.c
+++ b/src/gallium/drivers/r600/r600_shader.c
@@ -191,6 +191,10 @@ static int r600_pipe_shader_ps(struct pipe_context *ctx, struct r600_context_sta
num_cout++;
}
}
+ if (!exports_ps) {
+ /* always at least export 1 component per pixel */
+ exports_ps = 2;
+ }
state->states[R600_PS_SHADER__SPI_PS_IN_CONTROL_0] = S_0286CC_NUM_INTERP(rshader->ninput) |
S_0286CC_PERSP_GRADIENT_ENA(1);
state->states[R600_PS_SHADER__SPI_PS_IN_CONTROL_1] = 0x00000000;