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/*
* Copyright 2016 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
* 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 SI_SHADER_PRIVATE_H
#define SI_SHADER_PRIVATE_H
#include "si_shader.h"
#include "gallivm/lp_bld_init.h"
#include "gallivm/lp_bld_tgsi.h"
#include "tgsi/tgsi_parse.h"
#include <llvm-c/Core.h>
#include <llvm-c/TargetMachine.h>
struct pipe_debug_callback;
struct radeon_shader_binary;
#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 si_llvm_flow;
struct si_shader_context {
struct lp_build_tgsi_soa_context soa;
struct gallivm_state gallivm;
struct si_shader *shader;
struct si_screen *screen;
unsigned type; /* PIPE_SHADER_* specifies the type of shader. */
bool is_gs_copy_shader;
/* Whether to generate the optimized shader variant compiled as a whole
* (without a prolog and epilog)
*/
bool is_monolithic;
/** 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 si_shader_context *,
unsigned input_index,
const struct tgsi_full_declaration *decl,
LLVMValueRef out[4]);
void (*load_system_value)(struct si_shader_context *,
unsigned index,
const struct tgsi_full_declaration *decl);
void (*declare_memory_region)(struct si_shader_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];
struct si_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;
int param_streamout_config;
int param_streamout_write_index;
int param_streamout_offset[4];
int param_vertex_id;
int param_rel_auto_id;
int param_vs_prim_id;
int param_instance_id;
int param_vertex_index0;
int param_tes_u;
int param_tes_v;
int param_tes_rel_patch_id;
int param_tes_patch_id;
int param_es2gs_offset;
int param_oc_lds;
/* Sets a bit if the dynamic HS control word was 0x80000000. The bit is
* 0x800000 for VS, 0x1 for ES.
*/
int param_tess_offchip;
LLVMTargetMachineRef tm;
unsigned invariant_load_md_kind;
unsigned range_md_kind;
unsigned uniform_md_kind;
unsigned fpmath_md_kind;
LLVMValueRef fpmath_md_2p5_ulp;
LLVMValueRef empty_md;
/* Preloaded descriptors. */
LLVMValueRef esgs_ring;
LLVMValueRef gsvs_ring[4];
LLVMValueRef lds;
LLVMValueRef gs_next_vertex[4];
LLVMValueRef return_value;
LLVMTypeRef voidt;
LLVMTypeRef i1;
LLVMTypeRef i8;
LLVMTypeRef i32;
LLVMTypeRef i64;
LLVMTypeRef i128;
LLVMTypeRef f32;
LLVMTypeRef v16i8;
LLVMTypeRef v2i32;
LLVMTypeRef v4i32;
LLVMTypeRef v4f32;
LLVMTypeRef v8i32;
LLVMValueRef shared_memory;
};
static inline struct si_shader_context *
si_shader_context(struct lp_build_tgsi_context *bld_base)
{
return (struct si_shader_context*)bld_base;
}
void si_llvm_add_attribute(LLVMValueRef F, const char *name, int value);
void si_llvm_shader_type(LLVMValueRef F, unsigned type);
LLVMTargetRef si_llvm_get_amdgpu_target(const char *triple);
unsigned si_llvm_compile(LLVMModuleRef M, struct radeon_shader_binary *binary,
LLVMTargetMachineRef tm,
struct pipe_debug_callback *debug);
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 si_llvm_bound_index(struct si_shader_context *ctx,
LLVMValueRef index,
unsigned num);
void si_llvm_context_init(struct si_shader_context *ctx,
const char *triple,
const struct tgsi_shader_info *info,
const struct tgsi_token *tokens);
void si_llvm_create_func(struct si_shader_context *ctx,
LLVMTypeRef *return_types, unsigned num_return_elems,
LLVMTypeRef *ParamTypes, unsigned ParamCount);
void si_llvm_dispose(struct si_shader_context *ctx);
void si_llvm_finalize_module(struct si_shader_context *ctx,
bool run_verifier);
LLVMValueRef si_llvm_emit_fetch_64bit(struct lp_build_tgsi_context *bld_base,
enum tgsi_opcode_type type,
LLVMValueRef ptr,
LLVMValueRef ptr2);
LLVMValueRef si_llvm_saturate(struct lp_build_tgsi_context *bld_base,
LLVMValueRef value);
LLVMValueRef si_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 si_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]);
void si_shader_context_init_alu(struct lp_build_tgsi_context *bld_base);
void si_prepare_cube_coords(struct lp_build_tgsi_context *bld_base,
struct lp_build_emit_data *emit_data,
LLVMValueRef *coords_arg,
LLVMValueRef *derivs_arg);
#endif
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