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path: root/src/mesa/state_tracker/st_program.c
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Diffstat (limited to 'src/mesa/state_tracker/st_program.c')
-rw-r--r--src/mesa/state_tracker/st_program.c34
1 files changed, 24 insertions, 10 deletions
diff --git a/src/mesa/state_tracker/st_program.c b/src/mesa/state_tracker/st_program.c
index 9a346fbde0c..18d10468317 100644
--- a/src/mesa/state_tracker/st_program.c
+++ b/src/mesa/state_tracker/st_program.c
@@ -433,20 +433,34 @@ st_translate_fragment_program(struct st_context *st,
stfp->input_semantic_index[slot] = 1;
interpMode[slot] = TGSI_INTERPOLATE_LINEAR;
break;
- case FRAG_ATTRIB_FOGC:
- if (stfp->Base.UsesPointCoord) {
- stfp->input_semantic_name[slot] = TGSI_SEMANTIC_GENERIC;
- stfp->input_semantic_index[slot] = num_generic++;
- interpMode[slot] = TGSI_INTERPOLATE_PERSPECTIVE;
- } else if (stfp->Base.UsesFrontFacing) {
- stfp->input_semantic_name[slot] = TGSI_SEMANTIC_FACE;
- stfp->input_semantic_index[slot] = 0;
- interpMode[slot] = TGSI_INTERPOLATE_CONSTANT;
- } else {
+ case FRAG_ATTRIB_FOGC: {
+ int extra_decls = 0;
+ if (stfp->Base.UsesFogFragCoord) {
stfp->input_semantic_name[slot] = TGSI_SEMANTIC_FOG;
stfp->input_semantic_index[slot] = 0;
interpMode[slot] = TGSI_INTERPOLATE_PERSPECTIVE;
+ input_flags[slot] = stfp->Base.Base.InputFlags[attr];
+ ++extra_decls;
}
+ if (stfp->Base.UsesFrontFacing) {
+ GLint idx = slot + extra_decls;
+ stfp->input_semantic_name[idx] = TGSI_SEMANTIC_FACE;
+ stfp->input_semantic_index[idx] = 0;
+ interpMode[idx] = TGSI_INTERPOLATE_CONSTANT;
+ input_flags[idx] = stfp->Base.Base.InputFlags[attr];
+ ++extra_decls;
+ }
+ if (stfp->Base.UsesPointCoord) {
+ GLint idx = slot + extra_decls;
+ stfp->input_semantic_name[idx] = TGSI_SEMANTIC_GENERIC;
+ stfp->input_semantic_index[idx] = num_generic++;
+ interpMode[idx] = TGSI_INTERPOLATE_PERSPECTIVE;
+ input_flags[idx] = stfp->Base.Base.InputFlags[attr];
+ ++extra_decls;
+ }
+ fs_num_inputs += extra_decls - 1;
+ continue;
+ }
break;
case FRAG_ATTRIB_TEX0:
case FRAG_ATTRIB_TEX1: