diff options
| -rw-r--r-- | src/mesa/program/ir_to_mesa.cpp | 48 | ||||
| -rw-r--r-- | src/mesa/state_tracker/st_glsl_to_tgsi.cpp | 51 |
2 files changed, 0 insertions, 99 deletions
diff --git a/src/mesa/program/ir_to_mesa.cpp b/src/mesa/program/ir_to_mesa.cpp index c6aae1a7033..49e4a7a40eb 100644 --- a/src/mesa/program/ir_to_mesa.cpp +++ b/src/mesa/program/ir_to_mesa.cpp @@ -311,7 +311,6 @@ public: int mul_operand); bool try_emit_mad_for_and_not(ir_expression *ir, int mul_operand); - bool try_emit_sat(ir_expression *ir); void emit_swz(ir_expression *ir); @@ -866,50 +865,6 @@ ir_to_mesa_visitor::try_emit_mad_for_and_not(ir_expression *ir, int try_operand) return true; } -bool -ir_to_mesa_visitor::try_emit_sat(ir_expression *ir) -{ - /* Saturates were only introduced to vertex programs in - * NV_vertex_program3, so don't give them to drivers in the VP. - */ - if (this->prog->Target == GL_VERTEX_PROGRAM_ARB) - return false; - - ir_rvalue *sat_src = ir->as_rvalue_to_saturate(); - if (!sat_src) - return false; - - sat_src->accept(this); - src_reg src = this->result; - - /* If we generated an expression instruction into a temporary in - * processing the saturate's operand, apply the saturate to that - * instruction. Otherwise, generate a MOV to do the saturate. - * - * Note that we have to be careful to only do this optimization if - * the instruction in question was what generated src->result. For - * example, ir_dereference_array might generate a MUL instruction - * to create the reladdr, and return us a src reg using that - * reladdr. That MUL result is not the value we're trying to - * saturate. - */ - ir_expression *sat_src_expr = sat_src->as_expression(); - ir_to_mesa_instruction *new_inst; - new_inst = (ir_to_mesa_instruction *)this->instructions.get_tail(); - if (sat_src_expr && (sat_src_expr->operation == ir_binop_mul || - sat_src_expr->operation == ir_binop_add || - sat_src_expr->operation == ir_binop_dot)) { - new_inst->saturate = true; - } else { - this->result = get_temp(ir->type); - ir_to_mesa_instruction *inst; - inst = emit(ir, OPCODE_MOV, dst_reg(this->result), src); - inst->saturate = true; - } - - return true; -} - void ir_to_mesa_visitor::reladdr_to_temp(ir_instruction *ir, src_reg *reg, int *num_reladdr) @@ -1072,9 +1027,6 @@ ir_to_mesa_visitor::visit(ir_expression *ir) return; } - if (try_emit_sat(ir)) - return; - if (ir->operation == ir_quadop_vector) { this->emit_swz(ir); return; diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp index 55b994008d1..2946286768b 100644 --- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp +++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp @@ -446,7 +446,6 @@ public: int mul_operand); bool try_emit_mad_for_and_not(ir_expression *ir, int mul_operand); - bool try_emit_sat(ir_expression *ir); void emit_swz(ir_expression *ir); @@ -1270,53 +1269,6 @@ glsl_to_tgsi_visitor::try_emit_mad_for_and_not(ir_expression *ir, int try_operan return true; } -bool -glsl_to_tgsi_visitor::try_emit_sat(ir_expression *ir) -{ - /* Emit saturates in the vertex shader only if SM 3.0 is supported. - */ - if (this->prog->Target == GL_VERTEX_PROGRAM_ARB && - !st_context(this->ctx)->has_shader_model3) { - return false; - } - - ir_rvalue *sat_src = ir->as_rvalue_to_saturate(); - if (!sat_src) - return false; - - sat_src->accept(this); - st_src_reg src = this->result; - - /* If we generated an expression instruction into a temporary in - * processing the saturate's operand, apply the saturate to that - * instruction. Otherwise, generate a MOV to do the saturate. - * - * Note that we have to be careful to only do this optimization if - * the instruction in question was what generated src->result. For - * example, ir_dereference_array might generate a MUL instruction - * to create the reladdr, and return us a src reg using that - * reladdr. That MUL result is not the value we're trying to - * saturate. - */ - ir_expression *sat_src_expr = sat_src->as_expression(); - if (sat_src_expr && (sat_src_expr->operation == ir_binop_mul || - sat_src_expr->operation == ir_binop_add || - sat_src_expr->operation == ir_binop_dot)) { - glsl_to_tgsi_instruction *new_inst; - new_inst = (glsl_to_tgsi_instruction *)this->instructions.get_tail(); - new_inst->saturate = true; - } else { - this->result = get_temp(ir->type); - st_dst_reg result_dst = st_dst_reg(this->result); - result_dst.writemask = (1 << ir->type->vector_elements) - 1; - glsl_to_tgsi_instruction *inst; - inst = emit(ir, TGSI_OPCODE_MOV, result_dst, src); - inst->saturate = true; - } - - return true; -} - void glsl_to_tgsi_visitor::reladdr_to_temp(ir_instruction *ir, st_src_reg *reg, int *num_reladdr) @@ -1363,9 +1315,6 @@ glsl_to_tgsi_visitor::visit(ir_expression *ir) return; } - if (try_emit_sat(ir)) - return; - if (ir->operation == ir_quadop_vector) assert(!"ir_quadop_vector should have been lowered"); |