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draw: Handle the case when there isn't a fragment shader. 

Signed-off-by: Olivier Galibert <galibert@pobox.com>
Signed-off-by: José Fonseca <jfonseca@vmware.com>
This commit is contained in:
Olivier Galibert 2012-06-21 19:39:20 +02:00 committed by José Fonseca
parent af98c6b05b
commit b8068afafa
1 changed files with 17 additions and 10 deletions
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27
src/gallium/auxiliary/draw/draw_pipe_clip.c
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@ -586,6 +586,9 @@ clip_init_state( struct draw_stage *stage )
* two outputs for one input, so we tuck the information in a
* specific array. Second if they don't have qualifiers, the
* default value has to be picked from the global shade mode.
*
* Of course, if we don't have a fragment shader in the first
* place, defaults should be used.
*/
/* First pick up the interpolation mode for
@ -595,10 +598,12 @@ clip_init_state( struct draw_stage *stage )
indexed_interp[0] = indexed_interp[1] = stage->draw->rasterizer->flatshade ?
TGSI_INTERPOLATE_CONSTANT : TGSI_INTERPOLATE_PERSPECTIVE;
for (i = 0; i < fs->info.num_inputs; i++) {
if (fs->info.input_semantic_name[i] == TGSI_SEMANTIC_COLOR) {
if (fs->info.input_interpolate[i] != TGSI_INTERPOLATE_COLOR)
indexed_interp[fs->info.input_semantic_index[i]] = fs->info.input_interpolate[i];
if (fs) {
for (i = 0; i < fs->info.num_inputs; i++) {
if (fs->info.input_semantic_name[i] == TGSI_SEMANTIC_COLOR) {
if (fs->info.input_interpolate[i] != TGSI_INTERPOLATE_COLOR)
indexed_interp[fs->info.input_semantic_index[i]] = fs->info.input_interpolate[i];
}
}
}
@ -627,12 +632,14 @@ clip_init_state( struct draw_stage *stage )
*/
uint j;
interp = TGSI_INTERPOLATE_PERSPECTIVE;
for (j = 0; j < fs->info.num_inputs; j++) {
if (vs->info.output_semantic_name[i] == fs->info.input_semantic_name[j] &&
vs->info.output_semantic_index[i] == fs->info.input_semantic_index[j]) {
interp = fs->info.input_interpolate[j];
break;
}
if (fs) {
for (j = 0; j < fs->info.num_inputs; j++) {
if (vs->info.output_semantic_name[i] == fs->info.input_semantic_name[j] &&
vs->info.output_semantic_index[i] == fs->info.input_semantic_index[j]) {
interp = fs->info.input_interpolate[j];
break;
}
}
}
}