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/*
* Copyright © 2016 Bas Nieuwenhuizen
*
* 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.
*/
#ifndef AC_NIR_TO_LLVM_H
#define AC_NIR_TO_LLVM_H
#include <stdbool.h>
#include "llvm-c/Core.h"
#include "llvm-c/TargetMachine.h"
#include "amd_family.h"
#include "../vulkan/radv_descriptor_set.h"
#include "ac_shader_info.h"
#include "shader_enums.h"
struct ac_shader_binary;
struct ac_shader_config;
struct nir_shader;
struct radv_pipeline_layout;
struct ac_vs_variant_key {
uint32_t instance_rate_inputs;
uint32_t as_es:1;
uint32_t as_ls:1;
};
struct ac_tes_variant_key {
uint32_t as_es:1;
};
struct ac_tcs_variant_key {
unsigned primitive_mode;
unsigned input_vertices;
};
struct ac_fs_variant_key {
uint32_t col_format;
uint32_t is_int8;
};
union ac_shader_variant_key {
struct ac_vs_variant_key vs;
struct ac_fs_variant_key fs;
struct ac_tes_variant_key tes;
struct ac_tcs_variant_key tcs;
};
struct ac_nir_compiler_options {
struct radv_pipeline_layout *layout;
union ac_shader_variant_key key;
bool unsafe_math;
bool supports_spill;
enum radeon_family family;
enum chip_class chip_class;
};
struct ac_userdata_info {
int8_t sgpr_idx;
uint8_t num_sgprs;
bool indirect;
uint32_t indirect_offset;
};
enum ac_ud_index {
AC_UD_SCRATCH_RING_OFFSETS = 0,
AC_UD_PUSH_CONSTANTS = 1,
AC_UD_INDIRECT_DESCRIPTOR_SETS = 2,
AC_UD_SHADER_START = 3,
AC_UD_VS_VERTEX_BUFFERS = AC_UD_SHADER_START,
AC_UD_VS_BASE_VERTEX_START_INSTANCE,
AC_UD_VS_LS_TCS_IN_LAYOUT,
AC_UD_VS_MAX_UD,
AC_UD_PS_SAMPLE_POS_OFFSET = AC_UD_SHADER_START,
AC_UD_PS_MAX_UD,
AC_UD_CS_GRID_SIZE = AC_UD_SHADER_START,
AC_UD_CS_MAX_UD,
AC_UD_GS_VS_RING_STRIDE_ENTRIES = AC_UD_SHADER_START,
AC_UD_GS_MAX_UD,
AC_UD_TCS_OFFCHIP_LAYOUT = AC_UD_SHADER_START,
AC_UD_TCS_MAX_UD,
AC_UD_TES_OFFCHIP_LAYOUT = AC_UD_SHADER_START,
AC_UD_TES_MAX_UD,
AC_UD_MAX_UD = AC_UD_VS_MAX_UD,
};
/* descriptor index into scratch ring offsets */
#define RING_SCRATCH 0
#define RING_ESGS_VS 1
#define RING_ESGS_GS 2
#define RING_GSVS_VS 3
#define RING_GSVS_GS 4
#define RING_HS_TESS_FACTOR 5
#define RING_HS_TESS_OFFCHIP 6
#define RING_PS_SAMPLE_POSITIONS 7
// Match MAX_SETS from radv_descriptor_set.h
#define AC_UD_MAX_SETS MAX_SETS
struct ac_userdata_locations {
struct ac_userdata_info descriptor_sets[AC_UD_MAX_SETS];
struct ac_userdata_info shader_data[AC_UD_MAX_UD];
};
struct ac_vs_output_info {
uint8_t vs_output_param_offset[VARYING_SLOT_MAX];
uint8_t clip_dist_mask;
uint8_t cull_dist_mask;
uint8_t param_exports;
bool writes_pointsize;
bool writes_layer;
bool writes_viewport_index;
uint32_t export_mask;
unsigned pos_exports;
};
struct ac_es_output_info {
uint32_t esgs_itemsize;
};
struct ac_shader_variant_info {
struct ac_userdata_locations user_sgprs_locs;
struct ac_shader_info info;
unsigned num_user_sgprs;
unsigned num_input_sgprs;
unsigned num_input_vgprs;
bool need_indirect_descriptor_sets;
union {
struct {
struct ac_vs_output_info outinfo;
struct ac_es_output_info es_info;
unsigned vgpr_comp_cnt;
bool as_es;
bool as_ls;
uint64_t outputs_written;
} vs;
struct {
unsigned num_interp;
uint32_t input_mask;
unsigned output_mask;
uint32_t flat_shaded_mask;
bool has_pcoord;
bool can_discard;
bool writes_z;
bool writes_stencil;
bool writes_sample_mask;
bool early_fragment_test;
bool writes_memory;
bool force_persample;
bool prim_id_input;
bool layer_input;
} fs;
struct {
unsigned block_size[3];
} cs;
struct {
unsigned vertices_in;
unsigned vertices_out;
unsigned output_prim;
unsigned invocations;
unsigned gsvs_vertex_size;
unsigned max_gsvs_emit_size;
} gs;
struct {
bool uses_prim_id;
unsigned tcs_vertices_out;
/* Which outputs are actually written */
uint64_t outputs_written;
/* Which patch outputs are actually written */
uint32_t patch_outputs_written;
} tcs;
struct {
struct ac_vs_output_info outinfo;
struct ac_es_output_info es_info;
bool as_es;
unsigned primitive_mode;
enum gl_tess_spacing spacing;
bool ccw;
bool point_mode;
bool uses_prim_id;
} tes;
};
};
void ac_compile_nir_shader(LLVMTargetMachineRef tm,
struct ac_shader_binary *binary,
struct ac_shader_config *config,
struct ac_shader_variant_info *shader_info,
struct nir_shader *nir,
const struct ac_nir_compiler_options *options,
bool dump_shader);
void ac_create_gs_copy_shader(LLVMTargetMachineRef tm,
struct nir_shader *geom_shader,
struct ac_shader_binary *binary,
struct ac_shader_config *config,
struct ac_shader_variant_info *shader_info,
const struct ac_nir_compiler_options *options,
bool dump_shader);
#endif /* AC_NIR_TO_LLVM_H */
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