diff options
Diffstat (limited to 'src/mesa/drivers/dri/r300/compiler/r300_fragprog_emit.c')
-rw-r--r-- | src/mesa/drivers/dri/r300/compiler/r300_fragprog_emit.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r300/compiler/r300_fragprog_emit.c b/src/mesa/drivers/dri/r300/compiler/r300_fragprog_emit.c index 8be32ea91f..1db8678e89 100644 --- a/src/mesa/drivers/dri/r300/compiler/r300_fragprog_emit.c +++ b/src/mesa/drivers/dri/r300/compiler/r300_fragprog_emit.c @@ -76,6 +76,9 @@ static void use_temporary(struct r300_fragment_program_code *code, unsigned int static unsigned int use_source(struct r300_fragment_program_code* code, struct rc_pair_instruction_source src) { + if (!src.Used) + return 0; + if (src.File == RC_FILE_CONSTANT) { return src.Index | (1 << 5); } else if (src.File == RC_FILE_TEMPORARY) { |