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mesa/st: add support for ARB_sample_shading

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Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
This commit is contained in:
Ilia Mirkin
2014-03-30 18:21:50 -04:00
parent 88d8d88d8c
commit c5d822dad9
12 changed files with 89 additions and 11 deletions
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21
src/mesa/state_tracker/st_program.c
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@@ -682,6 +682,7 @@ st_translate_fragment_program(struct st_context *st,
/* handle remaining outputs (color) */
for (attr = 0; attr < FRAG_RESULT_MAX; attr++) {
if (outputsWritten & BITFIELD64_BIT(attr)) {
int semantic = TGSI_SEMANTIC_COLOR;
switch (attr) {
case FRAG_RESULT_DEPTH:
case FRAG_RESULT_STENCIL:
@@ -689,17 +690,21 @@ st_translate_fragment_program(struct st_context *st,
assert(0);
break;
case FRAG_RESULT_COLOR:
write_all = GL_TRUE; /* fallthrough */
default:
assert(attr == FRAG_RESULT_COLOR ||
(FRAG_RESULT_DATA0 <= attr && attr < FRAG_RESULT_MAX));
fs_output_semantic_name[fs_num_outputs] = TGSI_SEMANTIC_COLOR;
fs_output_semantic_index[fs_num_outputs] = numColors;
outputMapping[attr] = fs_num_outputs;
numColors++;
write_all = GL_TRUE;
break;
case FRAG_RESULT_SAMPLE_MASK:
semantic = TGSI_SEMANTIC_SAMPLEMASK;
break;
}
assert(attr == FRAG_RESULT_COLOR ||
attr == FRAG_RESULT_SAMPLE_MASK ||
(FRAG_RESULT_DATA0 <= attr && attr < FRAG_RESULT_MAX));
fs_output_semantic_name[fs_num_outputs] = semantic;
fs_output_semantic_index[fs_num_outputs] = numColors;
outputMapping[attr] = fs_num_outputs;
numColors++;
fs_num_outputs++;
}
}