diff options
Diffstat (limited to 'src/mesa/shader')
| -rw-r--r-- | src/mesa/shader/ir_to_mesa.cpp | 94 |
1 files changed, 62 insertions, 32 deletions
diff --git a/src/mesa/shader/ir_to_mesa.cpp b/src/mesa/shader/ir_to_mesa.cpp index f4a8ceb09e..fee9454723 100644 --- a/src/mesa/shader/ir_to_mesa.cpp +++ b/src/mesa/shader/ir_to_mesa.cpp @@ -1145,39 +1145,30 @@ ir_to_mesa_visitor::visit(ir_dereference_array *ir) ir->array->accept(this); src_reg = this->result; - if (src_reg.file == PROGRAM_INPUT || - src_reg.file == PROGRAM_OUTPUT) { - assert(index); /* FINISHME: Handle variable indexing of builtins. */ - - src_reg.index += index->value.i[0]; + if (index) { + src_reg.index += index->value.i[0] * element_size; } else { - if (index) { - src_reg.index += index->value.i[0] * element_size; - } else { - ir_to_mesa_src_reg array_base = this->result; - /* Variable index array dereference. It eats the "vec4" of the - * base of the array and an index that offsets the Mesa register - * index. - */ - ir->array_index->accept(this); - - ir_to_mesa_src_reg index_reg; - - if (element_size == 1) { - index_reg = this->result; - } else { - index_reg = get_temp(glsl_type::float_type); + ir_to_mesa_src_reg array_base = this->result; + /* Variable index array dereference. It eats the "vec4" of the + * base of the array and an index that offsets the Mesa register + * index. + */ + ir->array_index->accept(this); - ir_to_mesa_emit_op2(ir, OPCODE_MUL, - ir_to_mesa_dst_reg_from_src(index_reg), - this->result, src_reg_for_float(element_size)); - } + ir_to_mesa_src_reg index_reg; - src_reg.reladdr = talloc(mem_ctx, ir_to_mesa_src_reg); - memcpy(src_reg.reladdr, &index_reg, sizeof(index_reg)); + if (element_size == 1) { + index_reg = this->result; + } else { + index_reg = get_temp(glsl_type::float_type); - this->result = src_reg; + ir_to_mesa_emit_op2(ir, OPCODE_MUL, + ir_to_mesa_dst_reg_from_src(index_reg), + this->result, src_reg_for_float(element_size)); } + + src_reg.reladdr = talloc(mem_ctx, ir_to_mesa_src_reg); + memcpy(src_reg.reladdr, &index_reg, sizeof(index_reg)); } /* If the type is smaller than a vec4, replicate the last channel out. */ @@ -1718,6 +1709,44 @@ print_program(struct prog_instruction *mesa_instructions, } static void +mark_input(struct gl_program *prog, + int index, + GLboolean reladdr) +{ + prog->InputsRead |= BITFIELD64_BIT(index); + int i; + + if (reladdr) { + if (index >= FRAG_ATTRIB_TEX0 && index <= FRAG_ATTRIB_TEX7) { + for (i = 0; i < 8; i++) { + prog->InputsRead |= BITFIELD64_BIT(FRAG_ATTRIB_TEX0 + i); + } + } else { + assert(!"FINISHME: Mark InputsRead for varying arrays"); + } + } +} + +static void +mark_output(struct gl_program *prog, + int index, + GLboolean reladdr) +{ + prog->OutputsWritten |= BITFIELD64_BIT(index); + int i; + + if (reladdr) { + if (index >= VERT_RESULT_TEX0 && index <= VERT_RESULT_TEX7) { + for (i = 0; i < 8; i++) { + prog->OutputsWritten |= BITFIELD64_BIT(FRAG_ATTRIB_TEX0 + i); + } + } else { + assert(!"FINISHME: Mark OutputsWritten for varying arrays"); + } + } +} + +static void count_resources(struct gl_program *prog) { unsigned int i; @@ -1732,10 +1761,10 @@ count_resources(struct gl_program *prog) switch (inst->DstReg.File) { case PROGRAM_OUTPUT: - prog->OutputsWritten |= BITFIELD64_BIT(inst->DstReg.Index); + mark_output(prog, inst->DstReg.Index, inst->DstReg.RelAddr); break; case PROGRAM_INPUT: - prog->InputsRead |= BITFIELD64_BIT(inst->DstReg.Index); + mark_input(prog, inst->DstReg.Index, inst->DstReg.RelAddr); break; default: break; @@ -1744,10 +1773,11 @@ count_resources(struct gl_program *prog) for (reg = 0; reg < _mesa_num_inst_src_regs(inst->Opcode); reg++) { switch (inst->SrcReg[reg].File) { case PROGRAM_OUTPUT: - prog->OutputsWritten |= BITFIELD64_BIT(inst->SrcReg[reg].Index); + mark_output(prog, inst->SrcReg[reg].Index, + inst->SrcReg[reg].RelAddr); break; case PROGRAM_INPUT: - prog->InputsRead |= BITFIELD64_BIT(inst->SrcReg[reg].Index); + mark_input(prog, inst->SrcReg[reg].Index, inst->SrcReg[reg].RelAddr); break; default: break; |