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/*
* Copyright (C) 2008 Nicolai Haehnle.
*
* All Rights Reserved.
*
* 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 COPYRIGHT OWNER(S) AND/OR ITS 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_PROGRAM_H_
#define __RADEON_PROGRAM_H_
#include "glheader.h"
#include "macros.h"
#include "enums.h"
#include "shader/program.h"
#include "shader/prog_instruction.h"
enum {
CLAUSE_MIXED = 0,
CLAUSE_ALU,
CLAUSE_TEX
};
/**
* A clause is simply a sequence of instructions that are executed
* in order.
*/
struct radeon_clause {
/**
* Type of this clause, one of CLAUSE_XXX.
*/
int Type : 2;
/**
* Pointer to an array of instructions.
* The array is terminated by an OPCODE_END instruction.
*/
struct prog_instruction *Instructions;
/**
* Number of instructions in this clause.
*/
int NumInstructions;
/**
* Space reserved for instructions in this clause.
*/
int ReservedInstructions;
};
/**
* A compile object, holding the current intermediate state during compilation.
*/
struct radeon_compiler {
struct gl_program *Source;
GLcontext* Ctx;
/**
* Number of clauses in this program.
*/
int NumClauses;
/**
* Pointer to an array of NumClauses clauses.
*/
struct radeon_clause *Clauses;
/**
* Number of registers in the PROGRAM_TEMPORARIES file.
*/
int NumTemporaries;
};
void radeonCompilerInit(
struct radeon_compiler *compiler,
GLcontext *ctx,
struct gl_program *source);
void radeonCompilerCleanup(struct radeon_compiler *compiler);
int radeonCompilerAllocateTemporary(struct radeon_compiler *compiler);
struct radeon_clause *radeonCompilerInsertClause(
struct radeon_compiler *compiler,
int position,
int type);
void radeonCompilerEraseClauses(
struct radeon_compiler *compiler,
int start,
int end);
#endif
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