diff options
Diffstat (limited to 'src/mesa/state_tracker/st_program.c')
| -rw-r--r-- | src/mesa/state_tracker/st_program.c | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/src/mesa/state_tracker/st_program.c b/src/mesa/state_tracker/st_program.c index e64bf14d56a..fe22233c937 100644 --- a/src/mesa/state_tracker/st_program.c +++ b/src/mesa/state_tracker/st_program.c @@ -47,7 +47,7 @@ #include "st_mesa_to_tgsi.h" -#define TGSI_DEBUG 0 +#define TGSI_DEBUG 01 /** @@ -283,16 +283,17 @@ st_translate_fragment_program(struct st_context *st, const struct cso_fragment_shader *cso; GLuint interpMode[16]; /* XXX size? */ GLuint attr; - GLbitfield inputsRead = stfp->Base.Base.InputsRead; - - /* For software rendering, we always need the fragment input position - * in order to calculate interpolated values. - * For i915, we always want to emit the semantic info for position. - */ - inputsRead |= FRAG_BIT_WPOS; + const GLbitfield inputsRead = stfp->Base.Base.InputsRead; + GLuint vslot = 0; memset(&fs, 0, sizeof(fs)); + /* which vertex output goes to the first fragment input: */ + if (inputsRead & FRAG_BIT_WPOS) + vslot = 0; + else + vslot = 1; + /* * Convert Mesa program inputs to TGSI input register semantics. */ @@ -300,15 +301,17 @@ st_translate_fragment_program(struct st_context *st, if (inputsRead & (1 << attr)) { const GLuint slot = fs.num_inputs; - fs.num_inputs++; - defaultInputMapping[attr] = slot; + fs.input_map[slot] = vslot++; + + fs.num_inputs++; + switch (attr) { case FRAG_ATTRIB_WPOS: fs.input_semantic_name[slot] = TGSI_SEMANTIC_POSITION; fs.input_semantic_index[slot] = 0; - interpMode[slot] = TGSI_INTERPOLATE_CONSTANT; + interpMode[slot] = TGSI_INTERPOLATE_LINEAR; break; case FRAG_ATTRIB_COL0: fs.input_semantic_name[slot] = TGSI_SEMANTIC_COLOR; |