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KytyPS5/src/graphics/shader/shader.h
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2026-07-18 09:01:52 +02:00

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#ifndef EMULATOR_INCLUDE_EMULATOR_GRAPHICS_SHADER_H_
#define EMULATOR_INCLUDE_EMULATOR_GRAPHICS_SHADER_H_
#include "common/abi.h"
#include "common/common.h"
#include "graphics/guest_gpu/gpu_defs.h"
#include "graphics/shader/shaderBindings.h"
#include <array>
#include <memory>
#include <span>
#include <string>
#include <vector>
namespace Libs::Graphics {
namespace HW {
struct VertexShaderInfo;
struct PixelShaderInfo;
struct ComputeShaderInfo;
struct ShaderRegisters;
} // namespace HW
enum class ShaderType { Unknown, Vertex, Pixel, Fetch, Compute };
enum class ShaderLaneMaskMode { NativeWave, PerInvocation };
namespace ShaderRecompiler::IR {
struct Program;
struct ResourceSnapshot;
} // namespace ShaderRecompiler::IR
struct ShaderStageRuntime {
std::shared_ptr<const ShaderRecompiler::IR::Program> program;
std::shared_ptr<const ShaderRecompiler::IR::ResourceSnapshot> resources;
[[nodiscard]] explicit operator bool() const {
return program != nullptr && resources != nullptr;
}
};
// Resolves an immutable native shader plan against current user data. The prior stage is preserved
// if any ReadConst, snapshot, or specialization check fails.
bool ShaderMaterializeStageRuntime(std::shared_ptr<const ShaderRecompiler::IR::Program> program,
std::span<const uint32_t> user_data, uint64_t shader_base,
ShaderStageRuntime* stage, std::string* error);
struct ShaderId {
uint32_t hash0 = 0;
uint32_t crc32 = 0;
std::vector<uint32_t> ids;
bool operator==(const ShaderId& other) const {
return hash0 == other.hash0 && crc32 == other.crc32 && ids == other.ids;
}
bool operator!=(const ShaderId& other) const { return !(*this == other); }
};
constexpr uint32_t DstSel(uint32_t x, uint32_t y = 0, uint32_t z = 0, uint32_t w = 0) {
return x | (y << 3u) | (z << 6u) | (w << 9u);
}
inline uint8_t GetDstSel(uint32_t swizzle, uint32_t channel) {
return (swizzle >> (channel * 3u)) & 0x7u;
}
struct ShaderVertexInputInfo {
static constexpr int RES_MAX = 32;
ShaderBufferResource resources[RES_MAX];
ShaderVertexDestination resources_dst[RES_MAX];
int resource_fetch_components[RES_MAX] = {};
ShaderVertexInputBuffer buffers[RES_MAX];
ShaderStageRuntime stage;
int resources_num = 0;
int fetch_shader_reg = 0;
int fetch_attrib_reg = 0;
int fetch_buffer_reg = 0;
int buffers_num = 0;
int export_count = 0;
uint32_t param_export_mask = 0;
bool fetch_external = false;
bool fetch_embedded = false;
};
struct ShaderComputeInputInfo {
uint32_t threads_num[3] = {0, 0, 0};
uint32_t dispatch_threads_num[3] = {0, 0, 0};
bool group_id[3] = {false, false, false};
bool dispatch_thread_dimensions = false;
uint32_t wave_size = 64;
int thread_ids_num = 0;
int workgroup_register = 0;
bool tg_size_en = false;
ShaderStageRuntime stage;
};
struct ShaderPixelInputInfo {
uint32_t interpolator_settings[32] = {0};
uint32_t input_num = 0;
uint32_t ps_system_input_base = 0;
uint8_t target_output_mode[8] = {};
std::array<Prospero::ColorComponentMapping, 8> target_export_mapping = {};
uint32_t mrt_output_mask = 0;
uint32_t descriptor_set = 0;
bool ps_pos_x = false;
bool ps_pos_y = false;
bool ps_pos_xy = false;
bool ps_pos_z = false;
bool ps_pos_w = false;
bool ps_front_face = false;
bool ps_no_perspective = false;
bool ps_pixel_kill_enable = false;
bool ps_depth_export_enable = false;
bool ps_sample_mask_export_enable = false;
bool ps_early_z = false;
bool ps_execute_on_noop = false;
ShaderStageRuntime stage;
bool HasPositionInput() const { return ps_pos_x || ps_pos_y || ps_pos_z || ps_pos_w; }
};
struct ShaderSharp {
uint16_t offset_dw : 15;
uint16_t size : 1;
};
struct ShaderUserData {
uint16_t* direct_resource_offset;
ShaderSharp* sharp_resource_offset[4];
uint16_t eud_size_dw;
uint16_t srt_size_dw;
uint16_t direct_resource_count;
uint16_t sharp_resource_count[4];
};
struct ShaderRegisterRange {
uint16_t start;
uint16_t end;
};
struct ShaderDrawModifier {
uint32_t enbl_start_vertex_offset : 1;
uint32_t enbl_start_index_offset : 1;
uint32_t enbl_start_instance_offset : 1;
uint32_t enbl_draw_index : 1;
uint32_t enbl_user_vgprs : 1;
uint32_t render_target_slice_offset : 3;
uint32_t fuse_draws : 1;
uint32_t compiler_flags : 23;
uint32_t is_default : 1;
uint32_t reserved : 31;
};
struct ShaderRegister {
uint32_t offset;
uint32_t value;
};
struct ShaderSpecialRegs {
ShaderRegister ge_cntl;
ShaderRegister vgt_shader_stages_en;
uint32_t dispatch_modifier;
ShaderRegisterRange user_data_range;
ShaderDrawModifier draw_modifier;
ShaderRegister vgt_gs_out_prim_type;
ShaderRegister ge_user_vgpr_en;
};
struct ShaderSemantic {
uint32_t semantic : 8;
uint32_t hardware_mapping : 8;
uint32_t size_in_elements : 4;
uint32_t is_f16 : 2;
uint32_t is_flat_shaded : 1;
uint32_t is_linear : 1;
uint32_t is_custom : 1;
uint32_t static_vb_index : 1;
uint32_t static_attribute : 1;
uint32_t reserved : 1;
uint32_t default_value : 2;
uint32_t default_value_hi : 2;
};
struct Shader {
uint32_t file_header;
uint32_t version;
ShaderUserData* user_data;
const volatile void* code;
ShaderRegister* cx_registers;
ShaderRegister* sh_registers;
ShaderSpecialRegs* specials;
ShaderSemantic* input_semantics;
ShaderSemantic* output_semantics;
uint32_t header_size;
uint32_t shader_size;
uint32_t embedded_constant_buffer_size_dqw;
uint32_t target;
uint32_t num_input_semantics;
uint16_t scratch_size_dw_per_thread;
uint16_t num_output_semantics;
uint16_t special_sizes_bytes;
uint8_t type;
uint8_t num_cx_registers;
uint8_t num_sh_registers;
};
struct ShaderMappedData {
ShaderUserData* user_data = nullptr;
ShaderSemantic* input_semantics = nullptr;
uint32_t num_input_semantics = 0;
uint32_t code_size_bytes = 0;
};
void ShaderInit();
void ShaderMapUserData(uint64_t addr, const ShaderMappedData& data);
void ShaderDbgDumpInputInfo(const ShaderVertexInputInfo* info);
void ShaderDbgDumpInputInfo(const ShaderPixelInputInfo* info);
void ShaderDbgDumpInputInfo(const ShaderComputeInputInfo* info);
ShaderId ShaderGetIdVS(const HW::VertexShaderInfo* regs, const ShaderVertexInputInfo* input_info,
bool include_bind_specialization);
ShaderId ShaderGetIdPS(const HW::PixelShaderInfo* regs, const ShaderPixelInputInfo* input_info,
bool include_bind_specialization);
ShaderId ShaderGetIdCS(const HW::ComputeShaderInfo* regs, const ShaderComputeInputInfo* input_info,
bool include_bind_specialization);
// Returned SPIR-V spans are read-only views backed by the shader program cache.
bool ShaderCompileInfoVS(const HW::VertexShaderInfo* regs, const HW::ShaderRegisters* sh,
ShaderLaneMaskMode lane_mask_mode, ShaderVertexInputInfo* input_info,
std::span<const uint32_t>* spirv);
bool ShaderCompileInfoPS(const HW::PixelShaderInfo* regs, const HW::ShaderRegisters* sh,
ShaderLaneMaskMode lane_mask_mode, const ShaderVertexInputInfo* vs_info,
std::span<const Prospero::ColorComponentMapping, 8> target_export_mapping,
ShaderPixelInputInfo* input_info, std::span<const uint32_t>* spirv);
bool ShaderCompileInfoCS(const HW::ComputeShaderInfo* regs, const HW::ShaderRegisters* sh,
ShaderComputeInputInfo* input_info, std::span<const uint32_t>* spirv);
bool ShaderCompileSpirvVS(const HW::VertexShaderInfo* regs, const HW::ShaderRegisters* sh,
ShaderLaneMaskMode lane_mask_mode, ShaderVertexInputInfo* input_info,
std::vector<uint32_t>* spirv);
bool ShaderCompileSpirvPS(const HW::PixelShaderInfo* regs, const HW::ShaderRegisters* sh,
ShaderLaneMaskMode lane_mask_mode, ShaderPixelInputInfo* input_info,
std::vector<uint32_t>* spirv);
bool ShaderCompileSpirvCS(const HW::ComputeShaderInfo* regs, const HW::ShaderRegisters* sh,
ShaderComputeInputInfo* input_info, std::vector<uint32_t>* spirv);
bool ShaderBindingResearchGuardEnabled();
bool ShaderAddressValid(uint64_t addr);
} // namespace Libs::Graphics
#endif /* EMULATOR_INCLUDE_EMULATOR_GRAPHICS_SHADER_H_ */
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