diff options
| -rw-r--r-- | src/glsl/ir_constant_folding.cpp | 39 |
1 files changed, 32 insertions, 7 deletions
diff --git a/src/glsl/ir_constant_folding.cpp b/src/glsl/ir_constant_folding.cpp index a6d82e33ec..11260423d9 100644 --- a/src/glsl/ir_constant_folding.cpp +++ b/src/glsl/ir_constant_folding.cpp @@ -82,7 +82,7 @@ public: void ir_constant_folding_visitor::fold_constant(ir_rvalue **rvalue) { - if ((*rvalue)->ir_type == ir_type_constant) + if (*rvalue == NULL || (*rvalue)->ir_type == ir_type_constant) return; ir_constant *constant = (*rvalue)->constant_expression_value(); @@ -131,15 +131,32 @@ ir_constant_folding_visitor::visit(ir_expression *ir) void ir_constant_folding_visitor::visit(ir_texture *ir) { - // FINISHME: Do stuff with texture lookups - (void) ir; + fold_constant(&ir->coordinate); + fold_constant(&ir->projector); + fold_constant(&ir->shadow_comparitor); + + switch (ir->op) { + case ir_tex: + break; + case ir_txb: + fold_constant(&ir->lod_info.bias); + break; + case ir_txf: + case ir_txl: + fold_constant(&ir->lod_info.lod); + break; + case ir_txd: + fold_constant(&ir->lod_info.grad.dPdx); + fold_constant(&ir->lod_info.grad.dPdy); + break; + } } void ir_constant_folding_visitor::visit(ir_swizzle *ir) { - ir->val->accept(this); + fold_constant(&ir->val); } @@ -180,8 +197,8 @@ ir_constant_folding_visitor::visit(ir_assignment *ir) ir->condition = NULL; else ir->remove(); + this->progress = true; } - this->progress = true; } } @@ -196,14 +213,22 @@ ir_constant_folding_visitor::visit(ir_constant *ir) void ir_constant_folding_visitor::visit(ir_call *ir) { - (void) ir; + foreach_iter(exec_list_iterator, iter, *ir) { + ir_rvalue *param = (ir_rvalue *)iter.get(); + ir_rvalue *new_param = param; + fold_constant(&new_param); + + if (new_param != param) { + param->replace_with(new_param); + } + } } void ir_constant_folding_visitor::visit(ir_return *ir) { - (void) ir; + fold_constant(&ir->value); } |