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path: root/src/mesa/drivers/dri/r300/radeon_program_pair.c
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Diffstat (limited to 'src/mesa/drivers/dri/r300/radeon_program_pair.c')
-rw-r--r--src/mesa/drivers/dri/r300/radeon_program_pair.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r300/radeon_program_pair.c b/src/mesa/drivers/dri/r300/radeon_program_pair.c
index 5ad50d2863..58bc0d5843 100644
--- a/src/mesa/drivers/dri/r300/radeon_program_pair.c
+++ b/src/mesa/drivers/dri/r300/radeon_program_pair.c
@@ -473,6 +473,11 @@ static void allocate_input_registers(struct pair_state *s)
alloc_hw_reg(s, PROGRAM_INPUT, FRAG_ATTRIB_COL1, hwindex++);
InputsRead &= ~FRAG_BIT_COL1;
+ /* Fog coordinate */
+ if (InputsRead & FRAG_BIT_FOGC)
+ alloc_hw_reg(s, PROGRAM_INPUT, FRAG_ATTRIB_FOGC, hwindex++);
+ InputsRead &= ~FRAG_BIT_FOGC;
+
/* Anything else */
if (InputsRead)
error("Don't know how to handle inputs 0x%x\n", InputsRead);