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/*
* Copyright 2011 Advanced Micro Devices, Inc.
*
* 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.
*
* Authors: Tom Stellard <thomas.stellard@amd.com>
*
*/
#ifndef RADEON_LLVM_H
#define RADEON_LLVM_H
#include <llvm-c/Core.h>
#include "gallivm/lp_bld_init.h"
#include "gallivm/lp_bld_tgsi.h"
#include "tgsi/tgsi_parse.h"
#define RADEON_LLVM_MAX_INPUT_SLOTS 32
#define RADEON_LLVM_MAX_INPUTS 32 * 4
#define RADEON_LLVM_MAX_OUTPUTS 32 * 4
#define RADEON_LLVM_INITIAL_CF_DEPTH 4
#define RADEON_LLVM_MAX_SYSTEM_VALUES 4
struct radeon_llvm_flow;
struct radeon_llvm_context {
struct lp_build_tgsi_soa_context soa;
/*=== Front end configuration ===*/
/* Instructions that are not described by any of the TGSI opcodes. */
/** This function is responsible for initilizing the inputs array and will be
* called once for each input declared in the TGSI shader.
*/
void (*load_input)(struct radeon_llvm_context *,
unsigned input_index,
const struct tgsi_full_declaration *decl,
LLVMValueRef out[4]);
void (*load_system_value)(struct radeon_llvm_context *,
unsigned index,
const struct tgsi_full_declaration *decl);
void (*declare_memory_region)(struct radeon_llvm_context *,
const struct tgsi_full_declaration *decl);
/** This array contains the input values for the shader. Typically these
* values will be in the form of a target intrinsic that will inform the
* backend how to load the actual inputs to the shader.
*/
struct tgsi_full_declaration input_decls[RADEON_LLVM_MAX_INPUT_SLOTS];
LLVMValueRef inputs[RADEON_LLVM_MAX_INPUTS];
LLVMValueRef outputs[RADEON_LLVM_MAX_OUTPUTS][TGSI_NUM_CHANNELS];
/** This pointer is used to contain the temporary values.
* The amount of temporary used in tgsi can't be bound to a max value and
* thus we must allocate this array at runtime.
*/
LLVMValueRef *temps;
unsigned temps_count;
LLVMValueRef system_values[RADEON_LLVM_MAX_SYSTEM_VALUES];
/*=== Private Members ===*/
struct radeon_llvm_flow *flow;
unsigned flow_depth;
unsigned flow_depth_max;
struct tgsi_array_info *temp_arrays;
LLVMValueRef *temp_array_allocas;
LLVMValueRef undef_alloca;
LLVMValueRef main_fn;
LLVMTypeRef return_type;
unsigned fpmath_md_kind;
LLVMValueRef fpmath_md_2p5_ulp;
struct gallivm_state gallivm;
};
LLVMTypeRef tgsi2llvmtype(struct lp_build_tgsi_context *bld_base,
enum tgsi_opcode_type type);
LLVMValueRef bitcast(struct lp_build_tgsi_context *bld_base,
enum tgsi_opcode_type type, LLVMValueRef value);
LLVMValueRef radeon_llvm_bound_index(struct radeon_llvm_context *ctx,
LLVMValueRef index,
unsigned num);
void radeon_llvm_emit_prepare_cube_coords(struct lp_build_tgsi_context *bld_base,
struct lp_build_emit_data *emit_data,
LLVMValueRef *coords_arg,
LLVMValueRef *derivs_arg);
void radeon_llvm_context_init(struct radeon_llvm_context *ctx,
const char *triple,
const struct tgsi_shader_info *info,
const struct tgsi_token *tokens);
void radeon_llvm_create_func(struct radeon_llvm_context *ctx,
LLVMTypeRef *return_types, unsigned num_return_elems,
LLVMTypeRef *ParamTypes, unsigned ParamCount);
void radeon_llvm_dispose(struct radeon_llvm_context *ctx);
unsigned radeon_llvm_reg_index_soa(unsigned index, unsigned chan);
void radeon_llvm_finalize_module(struct radeon_llvm_context *ctx,
bool run_verifier);
void build_tgsi_intrinsic_nomem(const struct lp_build_tgsi_action *action,
struct lp_build_tgsi_context *bld_base,
struct lp_build_emit_data *emit_data);
LLVMValueRef radeon_llvm_emit_fetch_64bit(struct lp_build_tgsi_context *bld_base,
enum tgsi_opcode_type type,
LLVMValueRef ptr,
LLVMValueRef ptr2);
LLVMValueRef radeon_llvm_saturate(struct lp_build_tgsi_context *bld_base,
LLVMValueRef value);
LLVMValueRef radeon_llvm_emit_fetch(struct lp_build_tgsi_context *bld_base,
const struct tgsi_full_src_register *reg,
enum tgsi_opcode_type type,
unsigned swizzle);
void radeon_llvm_emit_store(struct lp_build_tgsi_context *bld_base,
const struct tgsi_full_instruction *inst,
const struct tgsi_opcode_info *info,
LLVMValueRef dst[4]);
static inline struct radeon_llvm_context *
radeon_llvm_context(struct lp_build_tgsi_context *bld_base)
{
return (struct radeon_llvm_context*)bld_base;
}
#endif /* RADEON_LLVM_H */
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