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Diffstat (limited to 'src/mesa/state_tracker/st_program.c')
-rw-r--r--src/mesa/state_tracker/st_program.c20
1 files changed, 8 insertions, 12 deletions
diff --git a/src/mesa/state_tracker/st_program.c b/src/mesa/state_tracker/st_program.c
index 86aaaad6bb3..0b14830353c 100644
--- a/src/mesa/state_tracker/st_program.c
+++ b/src/mesa/state_tracker/st_program.c
@@ -160,8 +160,6 @@ st_translate_vertex_program(struct st_context *st,
defaultOutputMapping[attr] = slot;
}
- vs.outputs_written |= (1 << slot);
-
/*
printf("Output %u -> slot %u\n", attr, slot);
*/
@@ -346,35 +344,33 @@ st_translate_fragment_program(struct st_context *st,
}
/*
- * Semantics for outputs
+ * Semantics and mapping for outputs
*/
{
uint numColors = 0;
GLbitfield outputsWritten = stfp->Base.Base.OutputsWritten;
- /* output[0] is always Z, but may not really be written */
- fs.output_semantic_name[fs.num_outputs] = TGSI_SEMANTIC_POSITION;
- fs.output_semantic_index[fs.num_outputs] = 0;
- outputMapping[FRAG_RESULT_DEPR] = fs.num_outputs;
- fs.num_outputs++;
-
+ /* if z is written, emit that first */
if (outputsWritten & (1 << FRAG_RESULT_DEPR)) {
- fs.outputs_written |= 0x1;
+ fs.output_semantic_name[fs.num_outputs] = TGSI_SEMANTIC_POSITION;
+ fs.output_semantic_index[fs.num_outputs] = 0;
+ outputMapping[FRAG_RESULT_DEPR] = fs.num_outputs;
+ fs.num_outputs++;
outputsWritten &= ~(1 << FRAG_RESULT_DEPR);
}
- /* color outputs begin at output [1] */
+ /* handle remaning outputs (color) */
for (attr = 0; attr < FRAG_RESULT_MAX; attr++) {
if (outputsWritten & (1 << attr)) {
switch (attr) {
case FRAG_RESULT_DEPR:
+ /* handled above */
assert(0);
break;
case FRAG_RESULT_COLR:
fs.output_semantic_name[fs.num_outputs] = TGSI_SEMANTIC_COLOR;
fs.output_semantic_index[fs.num_outputs] = numColors;
outputMapping[attr] = fs.num_outputs;
- fs.outputs_written |= (0x2 << numColors);
numColors++;
break;
default: