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/*
* Copyright 2009 Nicolai Hähnle <nhaehnle@gmail.com>
*
* 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
* on the rights to use, copy, modify, merge, publish, distribute, sub
* license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL
* THE AUTHOR(S) AND/OR THEIR SUPPLIERS 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. */
#ifndef RADEON_COMPILER_H
#define RADEON_COMPILER_H
#include "main/compiler.h"
#include "memory_pool.h"
#include "radeon_code.h"
#include "radeon_program.h"
#include "radeon_emulate_loops.h"
#define RC_DBG_LOG (1 << 0)
#define RC_DBG_STATS (1 << 1)
struct rc_swizzle_caps;
enum rc_program_type {
RC_VERTEX_PROGRAM,
RC_FRAGMENT_PROGRAM,
RC_NUM_PROGRAM_TYPES
};
struct radeon_compiler {
struct memory_pool Pool;
struct rc_program Program;
enum rc_program_type type;
unsigned Debug:2;
unsigned Error:1;
char * ErrorMsg;
/* Hardware specification. */
unsigned is_r400:1;
unsigned is_r500:1;
unsigned has_half_swizzles:1;
unsigned has_presub:1;
unsigned has_omod:1;
unsigned disable_optimizations:1;
unsigned max_temp_regs;
unsigned max_constants;
int max_alu_insts;
unsigned max_tex_insts;
/* Whether to remove unused constants and empty holes in constant space. */
unsigned remove_unused_constants:1;
/**
* Variables used internally, not be touched by callers
* of the compiler
*/
/*@{*/
struct rc_swizzle_caps * SwizzleCaps;
/*@}*/
struct emulate_loop_state loop_state;
unsigned initial_num_insts; /* Number of instructions at start. */
};
void rc_init(struct radeon_compiler * c);
void rc_destroy(struct radeon_compiler * c);
void rc_debug(struct radeon_compiler * c, const char * fmt, ...);
void rc_error(struct radeon_compiler * c, const char * fmt, ...);
int rc_if_fail_helper(struct radeon_compiler * c, const char * file, int line, const char * assertion);
/**
* This macro acts like an if-statement that can be used to implement
* non-aborting assertions in the compiler.
*
* It checks whether \p cond is true. If not, an internal compiler error is
* flagged and the if-clause is run.
*
* A typical use-case would be:
*
* if (rc_assert(c, condition-that-must-be-true))
* return;
*/
#define rc_assert(c, cond) \
(!(cond) && rc_if_fail_helper(c, __FILE__, __LINE__, #cond))
void rc_calculate_inputs_outputs(struct radeon_compiler * c);
void rc_move_input(struct radeon_compiler * c, unsigned input, struct rc_src_register new_input);
void rc_move_output(struct radeon_compiler * c, unsigned output, unsigned new_output, unsigned writemask);
void rc_copy_output(struct radeon_compiler * c, unsigned output, unsigned dup_output);
void rc_transform_fragment_wpos(struct radeon_compiler * c, unsigned wpos, unsigned new_input,
int full_vtransform);
void rc_transform_fragment_face(struct radeon_compiler *c, unsigned face);
struct r300_fragment_program_compiler {
struct radeon_compiler Base;
struct rX00_fragment_program_code *code;
/* Optional transformations and features. */
struct r300_fragment_program_external_state state;
unsigned enable_shadow_ambient;
/* Register corresponding to the depthbuffer. */
unsigned OutputDepth;
/* Registers corresponding to the four colorbuffers. */
unsigned OutputColor[4];
void * UserData;
void (*AllocateHwInputs)(
struct r300_fragment_program_compiler * c,
void (*allocate)(void * data, unsigned input, unsigned hwreg),
void * mydata);
};
void r3xx_compile_fragment_program(struct r300_fragment_program_compiler* c);
struct r300_vertex_program_compiler {
struct radeon_compiler Base;
struct r300_vertex_program_code *code;
uint32_t RequiredOutputs;
void * UserData;
void (*SetHwInputOutput)(struct r300_vertex_program_compiler * c);
int PredicateIndex;
unsigned int PredicateMask;
};
void r3xx_compile_vertex_program(struct r300_vertex_program_compiler* c);
void r300_vertex_program_dump(struct radeon_compiler *compiler, void *user);
struct radeon_compiler_pass {
const char *name; /* Name of the pass. */
int dump; /* Dump the program if Debug == 1? */
int predicate; /* Run this pass? */
void (*run)(struct radeon_compiler *c, void *user); /* The main entrypoint. */
void *user; /* Optional parameter which is passed to the run function. */
};
struct rc_program_stats {
unsigned num_insts;
unsigned num_fc_insts;
unsigned num_tex_insts;
unsigned num_rgb_insts;
unsigned num_alpha_insts;
unsigned num_presub_ops;
unsigned num_temp_regs;
unsigned num_omod_ops;
};
void rc_get_stats(struct radeon_compiler *c, struct rc_program_stats *s);
/* Executes a list of compiler passes given in the parameter 'list'. */
void rc_run_compiler_passes(struct radeon_compiler *c, struct radeon_compiler_pass *list);
void rc_run_compiler(struct radeon_compiler *c, struct radeon_compiler_pass *list);
void rc_validate_final_shader(struct radeon_compiler *c, void *user);
#endif /* RADEON_COMPILER_H */
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