/*
* Copyright © 2010 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include <stdint.h>
#include "brw_defines.h"
#include "glsl/ir.h"
#pragma once
enum register_file {
BAD_FILE,
ARF,
GRF,
MRF,
IMM,
HW_REG, /* a struct brw_reg */
ATTR,
UNIFORM, /* prog_data->params[reg] */
};
class backend_instruction : public exec_node {
public:
bool is_tex();
bool is_math();
bool is_control_flow();
enum opcode opcode; /* BRW_OPCODE_* or FS_OPCODE_* */
uint32_t predicate;
bool predicate_inverse;
};
class backend_visitor : public ir_visitor {
public:
struct brw_context *brw;
struct gl_context *ctx;
struct brw_shader *shader;
struct gl_shader_program *shader_prog;
/** ralloc context for temporary data used during compile */
void *mem_ctx;
/**
* List of either fs_inst or vec4_instruction (inheriting from
* backend_instruction)
*/
exec_list instructions;
virtual void dump_instruction(backend_instruction *inst) = 0;
void dump_instructions();
};
int brw_type_for_base_type(const struct glsl_type *type);
uint32_t brw_conditional_for_comparison(unsigned int op);
uint32_t brw_math_function(enum opcode op);
uint32_t brw_texture_offset(ir_constant *offset);
const char *brw_instruction_name(enum opcode op);