diff options
Diffstat (limited to 'src/mesa/state_tracker')
| -rw-r--r-- | src/mesa/state_tracker/st_glsl_to_tgsi.cpp | 32 | ||||
| -rw-r--r-- | src/mesa/state_tracker/st_program.c | 40 |
2 files changed, 41 insertions, 31 deletions
diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp index 39226074fad..d0d2431f9bb 100644 --- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp +++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp @@ -338,6 +338,7 @@ struct inout_decl { unsigned mesa_index; unsigned array_id; /* TGSI ArrayID; 1-based: 0 means not an array */ unsigned size; + enum glsl_interp_mode interp; enum glsl_base_type base_type; ubyte usage_mask; /* GLSL-style usage-mask, i.e. single bit per double */ }; @@ -2420,6 +2421,7 @@ glsl_to_tgsi_visitor::visit(ir_dereference_variable *ir) num_components = 4; decl->mesa_index = var->data.location; + decl->interp = (glsl_interp_mode) var->data.interpolation; decl->base_type = type_without_array->base_type; decl->usage_mask = u_bit_consecutive(component, num_components); @@ -5894,6 +5896,26 @@ sort_inout_decls_by_slot(struct inout_decl *decls, std::sort(decls, decls + count, sorter); } +static unsigned +st_translate_interp(enum glsl_interp_mode glsl_qual, GLuint varying) +{ + switch (glsl_qual) { + case INTERP_MODE_NONE: + if (varying == VARYING_SLOT_COL0 || varying == VARYING_SLOT_COL1) + return TGSI_INTERPOLATE_COLOR; + return TGSI_INTERPOLATE_PERSPECTIVE; + case INTERP_MODE_SMOOTH: + return TGSI_INTERPOLATE_PERSPECTIVE; + case INTERP_MODE_FLAT: + return TGSI_INTERPOLATE_CONSTANT; + case INTERP_MODE_NOPERSPECTIVE: + return TGSI_INTERPOLATE_LINEAR; + default: + assert(0 && "unexpected interp mode in st_translate_interp()"); + return TGSI_INTERPOLATE_PERSPECTIVE; + } +} + /** * Translate intermediate IR (glsl_to_tgsi_instruction) to TGSI format. * \param program the program to translate @@ -5983,9 +6005,17 @@ st_translate_program( tgsi_usage_mask = TGSI_WRITEMASK_XYZW; } + unsigned interp_mode = 0; + if (procType == PIPE_SHADER_FRAGMENT) { + assert(interpMode); + interp_mode = interpMode[slot] != TGSI_INTERPOLATE_COUNT ? + interpMode[slot] : + st_translate_interp(decl->interp, inputSlotToAttr[slot]); + } + src = ureg_DECL_fs_input_cyl_centroid_layout(ureg, inputSemanticName[slot], inputSemanticIndex[slot], - interpMode ? interpMode[slot] : 0, 0, interpLocation ? interpLocation[slot] : 0, + interp_mode, 0, interpLocation ? interpLocation[slot] : 0, slot, tgsi_usage_mask, decl->array_id, decl->size); for (unsigned j = 0; j < decl->size; ++j) { diff --git a/src/mesa/state_tracker/st_program.c b/src/mesa/state_tracker/st_program.c index 55cf57289ec..6ea46781762 100644 --- a/src/mesa/state_tracker/st_program.c +++ b/src/mesa/state_tracker/st_program.c @@ -558,27 +558,6 @@ st_get_vp_variant(struct st_context *st, } -static unsigned -st_translate_interp(enum glsl_interp_mode glsl_qual, bool is_color) -{ - switch (glsl_qual) { - case INTERP_MODE_NONE: - if (is_color) - return TGSI_INTERPOLATE_COLOR; - return TGSI_INTERPOLATE_PERSPECTIVE; - case INTERP_MODE_SMOOTH: - return TGSI_INTERPOLATE_PERSPECTIVE; - case INTERP_MODE_FLAT: - return TGSI_INTERPOLATE_CONSTANT; - case INTERP_MODE_NOPERSPECTIVE: - return TGSI_INTERPOLATE_LINEAR; - default: - assert(0 && "unexpected interp mode in st_translate_interp()"); - return TGSI_INTERPOLATE_PERSPECTIVE; - } -} - - /** * Translate a Mesa fragment shader into a TGSI shader. */ @@ -660,14 +639,14 @@ st_translate_fragment_program(struct st_context *st, case VARYING_SLOT_COL0: input_semantic_name[slot] = TGSI_SEMANTIC_COLOR; input_semantic_index[slot] = 0; - interpMode[slot] = st_translate_interp(stfp->Base.InterpQualifier[attr], - TRUE); + interpMode[slot] = stfp->glsl_to_tgsi ? + TGSI_INTERPOLATE_COUNT : TGSI_INTERPOLATE_COLOR; break; case VARYING_SLOT_COL1: input_semantic_name[slot] = TGSI_SEMANTIC_COLOR; input_semantic_index[slot] = 1; - interpMode[slot] = st_translate_interp(stfp->Base.InterpQualifier[attr], - TRUE); + interpMode[slot] = stfp->glsl_to_tgsi ? + TGSI_INTERPOLATE_COUNT : TGSI_INTERPOLATE_COLOR; break; case VARYING_SLOT_FOGC: input_semantic_name[slot] = TGSI_SEMANTIC_FOG; @@ -743,8 +722,8 @@ st_translate_fragment_program(struct st_context *st, if (st->needs_texcoord_semantic) { input_semantic_name[slot] = TGSI_SEMANTIC_TEXCOORD; input_semantic_index[slot] = attr - VARYING_SLOT_TEX0; - interpMode[slot] = - st_translate_interp(stfp->Base.InterpQualifier[attr], FALSE); + interpMode[slot] = stfp->glsl_to_tgsi ? + TGSI_INTERPOLATE_COUNT : TGSI_INTERPOLATE_PERSPECTIVE; break; } /* fall through */ @@ -766,9 +745,10 @@ st_translate_fragment_program(struct st_context *st, input_semantic_index[slot] = st_get_generic_varying_index(st, attr); if (attr == VARYING_SLOT_PNTC) interpMode[slot] = TGSI_INTERPOLATE_LINEAR; - else - interpMode[slot] = st_translate_interp(stfp->Base.InterpQualifier[attr], - FALSE); + else { + interpMode[slot] = stfp->glsl_to_tgsi ? + TGSI_INTERPOLATE_COUNT : TGSI_INTERPOLATE_PERSPECTIVE; + } break; } } |