summaryrefslogtreecommitdiffstats
path: root/src/video_core/shader
diff options
context:
space:
mode:
authorJames Rowe <jroweboy@gmail.com>2018-01-12 04:07:44 +0100
committerJames Rowe <jroweboy@gmail.com>2018-01-13 03:11:03 +0100
commit1d28b2e142f845773e2b90e267d9632e196a99b9 (patch)
tree027a3586a0fc927731afb3711c328c6dafc8551f /src/video_core/shader
parentMassive removal of unused modules (diff)
downloadyuzu-1d28b2e142f845773e2b90e267d9632e196a99b9.tar
yuzu-1d28b2e142f845773e2b90e267d9632e196a99b9.tar.gz
yuzu-1d28b2e142f845773e2b90e267d9632e196a99b9.tar.bz2
yuzu-1d28b2e142f845773e2b90e267d9632e196a99b9.tar.lz
yuzu-1d28b2e142f845773e2b90e267d9632e196a99b9.tar.xz
yuzu-1d28b2e142f845773e2b90e267d9632e196a99b9.tar.zst
yuzu-1d28b2e142f845773e2b90e267d9632e196a99b9.zip
Diffstat (limited to 'src/video_core/shader')
-rw-r--r--src/video_core/shader/debug_data.h186
-rw-r--r--src/video_core/shader/shader.cpp154
-rw-r--r--src/video_core/shader/shader.h233
-rw-r--r--src/video_core/shader/shader_interpreter.cpp701
-rw-r--r--src/video_core/shader/shader_interpreter.h32
-rw-r--r--src/video_core/shader/shader_jit_x64.cpp48
-rw-r--r--src/video_core/shader/shader_jit_x64.h30
-rw-r--r--src/video_core/shader/shader_jit_x64_compiler.cpp942
-rw-r--r--src/video_core/shader/shader_jit_x64_compiler.h127
9 files changed, 0 insertions, 2453 deletions
diff --git a/src/video_core/shader/debug_data.h b/src/video_core/shader/debug_data.h
deleted file mode 100644
index 9e82122e1..000000000
--- a/src/video_core/shader/debug_data.h
+++ /dev/null
@@ -1,186 +0,0 @@
-// Copyright 2016 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <vector>
-#include "common/common_types.h"
-#include "common/vector_math.h"
-#include "video_core/pica_types.h"
-
-namespace Pica {
-namespace Shader {
-
-/// Helper structure used to keep track of data useful for inspection of shader emulation
-template <bool full_debugging>
-struct DebugData;
-
-template <>
-struct DebugData<false> {
- // TODO: Hide these behind and interface and move them to DebugData<true>
- u32 max_offset = 0; ///< maximum program counter ever reached
- u32 max_opdesc_id = 0; ///< maximum swizzle pattern index ever used
-};
-
-template <>
-struct DebugData<true> {
- /// Records store the input and output operands of a particular instruction.
- struct Record {
- enum Type {
- // Floating point arithmetic operands
- SRC1 = 0x1,
- SRC2 = 0x2,
- SRC3 = 0x4,
-
- // Initial and final output operand value
- DEST_IN = 0x8,
- DEST_OUT = 0x10,
-
- // Current and next instruction offset (in words)
- CUR_INSTR = 0x20,
- NEXT_INSTR = 0x40,
-
- // Output address register value
- ADDR_REG_OUT = 0x80,
-
- // Result of a comparison instruction
- CMP_RESULT = 0x100,
-
- // Input values for conditional flow control instructions
- COND_BOOL_IN = 0x200,
- COND_CMP_IN = 0x400,
-
- // Input values for a loop
- LOOP_INT_IN = 0x800,
- };
-
- Math::Vec4<float24> src1;
- Math::Vec4<float24> src2;
- Math::Vec4<float24> src3;
-
- Math::Vec4<float24> dest_in;
- Math::Vec4<float24> dest_out;
-
- s32 address_registers[2];
- bool conditional_code[2];
- bool cond_bool;
- bool cond_cmp[2];
- Math::Vec4<u8> loop_int;
-
- u32 instruction_offset;
- u32 next_instruction;
-
- /// set of enabled fields (as a combination of Type flags)
- unsigned mask = 0;
- };
-
- u32 max_offset = 0; ///< maximum program counter ever reached
- u32 max_opdesc_id = 0; ///< maximum swizzle pattern index ever used
-
- /// List of records for each executed shader instruction
- std::vector<DebugData<true>::Record> records;
-};
-
-/// Type alias for better readability
-using DebugDataRecord = DebugData<true>::Record;
-
-/// Helper function to set a DebugData<true>::Record field based on the template enum parameter.
-template <DebugDataRecord::Type type, typename ValueType>
-inline void SetField(DebugDataRecord& record, ValueType value);
-
-template <>
-inline void SetField<DebugDataRecord::SRC1>(DebugDataRecord& record, float24* value) {
- record.src1.x = value[0];
- record.src1.y = value[1];
- record.src1.z = value[2];
- record.src1.w = value[3];
-}
-
-template <>
-inline void SetField<DebugDataRecord::SRC2>(DebugDataRecord& record, float24* value) {
- record.src2.x = value[0];
- record.src2.y = value[1];
- record.src2.z = value[2];
- record.src2.w = value[3];
-}
-
-template <>
-inline void SetField<DebugDataRecord::SRC3>(DebugDataRecord& record, float24* value) {
- record.src3.x = value[0];
- record.src3.y = value[1];
- record.src3.z = value[2];
- record.src3.w = value[3];
-}
-
-template <>
-inline void SetField<DebugDataRecord::DEST_IN>(DebugDataRecord& record, float24* value) {
- record.dest_in.x = value[0];
- record.dest_in.y = value[1];
- record.dest_in.z = value[2];
- record.dest_in.w = value[3];
-}
-
-template <>
-inline void SetField<DebugDataRecord::DEST_OUT>(DebugDataRecord& record, float24* value) {
- record.dest_out.x = value[0];
- record.dest_out.y = value[1];
- record.dest_out.z = value[2];
- record.dest_out.w = value[3];
-}
-
-template <>
-inline void SetField<DebugDataRecord::ADDR_REG_OUT>(DebugDataRecord& record, s32* value) {
- record.address_registers[0] = value[0];
- record.address_registers[1] = value[1];
-}
-
-template <>
-inline void SetField<DebugDataRecord::CMP_RESULT>(DebugDataRecord& record, bool* value) {
- record.conditional_code[0] = value[0];
- record.conditional_code[1] = value[1];
-}
-
-template <>
-inline void SetField<DebugDataRecord::COND_BOOL_IN>(DebugDataRecord& record, bool value) {
- record.cond_bool = value;
-}
-
-template <>
-inline void SetField<DebugDataRecord::COND_CMP_IN>(DebugDataRecord& record, bool* value) {
- record.cond_cmp[0] = value[0];
- record.cond_cmp[1] = value[1];
-}
-
-template <>
-inline void SetField<DebugDataRecord::LOOP_INT_IN>(DebugDataRecord& record, Math::Vec4<u8> value) {
- record.loop_int = value;
-}
-
-template <>
-inline void SetField<DebugDataRecord::CUR_INSTR>(DebugDataRecord& record, u32 value) {
- record.instruction_offset = value;
-}
-
-template <>
-inline void SetField<DebugDataRecord::NEXT_INSTR>(DebugDataRecord& record, u32 value) {
- record.next_instruction = value;
-}
-
-/// Helper function to set debug information on the current shader iteration.
-template <DebugDataRecord::Type type, typename ValueType>
-inline void Record(DebugData<false>& debug_data, u32 offset, ValueType value) {
- // Debugging disabled => nothing to do
-}
-
-template <DebugDataRecord::Type type, typename ValueType>
-inline void Record(DebugData<true>& debug_data, u32 offset, ValueType value) {
- if (offset >= debug_data.records.size())
- debug_data.records.resize(offset + 1);
-
- SetField<type, ValueType>(debug_data.records[offset], value);
- debug_data.records[offset].mask |= type;
-}
-
-} // namespace Shader
-} // namespace Pica
diff --git a/src/video_core/shader/shader.cpp b/src/video_core/shader/shader.cpp
deleted file mode 100644
index 2857d2829..000000000
--- a/src/video_core/shader/shader.cpp
+++ /dev/null
@@ -1,154 +0,0 @@
-// Copyright 2015 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include <cmath>
-#include <cstring>
-#include "common/bit_set.h"
-#include "common/logging/log.h"
-#include "common/microprofile.h"
-#include "video_core/pica_state.h"
-#include "video_core/regs_rasterizer.h"
-#include "video_core/regs_shader.h"
-#include "video_core/shader/shader.h"
-#include "video_core/shader/shader_interpreter.h"
-#ifdef ARCHITECTURE_x86_64
-#include "video_core/shader/shader_jit_x64.h"
-#endif // ARCHITECTURE_x86_64
-#include "video_core/video_core.h"
-
-namespace Pica {
-
-namespace Shader {
-
-OutputVertex OutputVertex::FromAttributeBuffer(const RasterizerRegs& regs,
- const AttributeBuffer& input) {
- // Setup output data
- union {
- OutputVertex ret{};
- std::array<float24, 24> vertex_slots;
- };
- static_assert(sizeof(vertex_slots) == sizeof(ret), "Struct and array have different sizes.");
-
- unsigned int num_attributes = regs.vs_output_total;
- ASSERT(num_attributes <= 7);
- for (unsigned int i = 0; i < num_attributes; ++i) {
- const auto& output_register_map = regs.vs_output_attributes[i];
-
- RasterizerRegs::VSOutputAttributes::Semantic semantics[4] = {
- output_register_map.map_x, output_register_map.map_y, output_register_map.map_z,
- output_register_map.map_w};
-
- for (unsigned comp = 0; comp < 4; ++comp) {
- RasterizerRegs::VSOutputAttributes::Semantic semantic = semantics[comp];
- if (semantic < vertex_slots.size()) {
- vertex_slots[semantic] = input.attr[i][comp];
- } else if (semantic != RasterizerRegs::VSOutputAttributes::INVALID) {
- LOG_ERROR(HW_GPU, "Invalid/unknown semantic id: %u", (unsigned int)semantic);
- }
- }
- }
-
- // The hardware takes the absolute and saturates vertex colors like this, *before* doing
- // interpolation
- for (unsigned i = 0; i < 4; ++i) {
- float c = std::fabs(ret.color[i].ToFloat32());
- ret.color[i] = float24::FromFloat32(c < 1.0f ? c : 1.0f);
- }
-
- LOG_TRACE(HW_GPU, "Output vertex: pos(%.2f, %.2f, %.2f, %.2f), quat(%.2f, %.2f, %.2f, %.2f), "
- "col(%.2f, %.2f, %.2f, %.2f), tc0(%.2f, %.2f), view(%.2f, %.2f, %.2f)",
- ret.pos.x.ToFloat32(), ret.pos.y.ToFloat32(), ret.pos.z.ToFloat32(),
- ret.pos.w.ToFloat32(), ret.quat.x.ToFloat32(), ret.quat.y.ToFloat32(),
- ret.quat.z.ToFloat32(), ret.quat.w.ToFloat32(), ret.color.x.ToFloat32(),
- ret.color.y.ToFloat32(), ret.color.z.ToFloat32(), ret.color.w.ToFloat32(),
- ret.tc0.u().ToFloat32(), ret.tc0.v().ToFloat32(), ret.view.x.ToFloat32(),
- ret.view.y.ToFloat32(), ret.view.z.ToFloat32());
-
- return ret;
-}
-
-void UnitState::LoadInput(const ShaderRegs& config, const AttributeBuffer& input) {
- const unsigned max_attribute = config.max_input_attribute_index;
-
- for (unsigned attr = 0; attr <= max_attribute; ++attr) {
- unsigned reg = config.GetRegisterForAttribute(attr);
- registers.input[reg] = input.attr[attr];
- }
-}
-
-void UnitState::WriteOutput(const ShaderRegs& config, AttributeBuffer& output) {
- unsigned int output_i = 0;
- for (unsigned int reg : Common::BitSet<u32>(config.output_mask)) {
- output.attr[output_i++] = registers.output[reg];
- }
-}
-
-UnitState::UnitState(GSEmitter* emitter) : emitter_ptr(emitter) {}
-
-GSEmitter::GSEmitter() {
- handlers = new Handlers;
-}
-
-GSEmitter::~GSEmitter() {
- delete handlers;
-}
-
-void GSEmitter::Emit(Math::Vec4<float24> (&vertex)[16]) {
- ASSERT(vertex_id < 3);
- std::copy(std::begin(vertex), std::end(vertex), buffer[vertex_id].begin());
- if (prim_emit) {
- if (winding)
- handlers->winding_setter();
- for (size_t i = 0; i < buffer.size(); ++i) {
- AttributeBuffer output;
- unsigned int output_i = 0;
- for (unsigned int reg : Common::BitSet<u32>(output_mask)) {
- output.attr[output_i++] = buffer[i][reg];
- }
- handlers->vertex_handler(output);
- }
- }
-}
-
-GSUnitState::GSUnitState() : UnitState(&emitter) {}
-
-void GSUnitState::SetVertexHandler(VertexHandler vertex_handler, WindingSetter winding_setter) {
- emitter.handlers->vertex_handler = std::move(vertex_handler);
- emitter.handlers->winding_setter = std::move(winding_setter);
-}
-
-void GSUnitState::ConfigOutput(const ShaderRegs& config) {
- emitter.output_mask = config.output_mask;
-}
-
-MICROPROFILE_DEFINE(GPU_Shader, "GPU", "Shader", MP_RGB(50, 50, 240));
-
-#ifdef ARCHITECTURE_x86_64
-static std::unique_ptr<JitX64Engine> jit_engine;
-#endif // ARCHITECTURE_x86_64
-static InterpreterEngine interpreter_engine;
-
-ShaderEngine* GetEngine() {
-#ifdef ARCHITECTURE_x86_64
- // TODO(yuriks): Re-initialize on each change rather than being persistent
- if (VideoCore::g_shader_jit_enabled) {
- if (jit_engine == nullptr) {
- jit_engine = std::make_unique<JitX64Engine>();
- }
- return jit_engine.get();
- }
-#endif // ARCHITECTURE_x86_64
-
- return &interpreter_engine;
-}
-
-void Shutdown() {
-#ifdef ARCHITECTURE_x86_64
- jit_engine = nullptr;
-#endif // ARCHITECTURE_x86_64
-}
-
-} // namespace Shader
-
-} // namespace Pica
diff --git a/src/video_core/shader/shader.h b/src/video_core/shader/shader.h
deleted file mode 100644
index a3789da01..000000000
--- a/src/video_core/shader/shader.h
+++ /dev/null
@@ -1,233 +0,0 @@
-// Copyright 2015 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <array>
-#include <cstddef>
-#include <functional>
-#include <type_traits>
-#include <nihstro/shader_bytecode.h>
-#include "common/assert.h"
-#include "common/common_funcs.h"
-#include "common/common_types.h"
-#include "common/vector_math.h"
-#include "video_core/pica_types.h"
-#include "video_core/regs_rasterizer.h"
-#include "video_core/regs_shader.h"
-
-using nihstro::RegisterType;
-using nihstro::SourceRegister;
-using nihstro::DestRegister;
-
-namespace Pica {
-
-namespace Shader {
-
-constexpr unsigned MAX_PROGRAM_CODE_LENGTH = 4096;
-constexpr unsigned MAX_SWIZZLE_DATA_LENGTH = 4096;
-
-struct AttributeBuffer {
- alignas(16) Math::Vec4<float24> attr[16];
-};
-
-/// Handler type for receiving vertex outputs from vertex shader or geometry shader
-using VertexHandler = std::function<void(const AttributeBuffer&)>;
-
-/// Handler type for signaling to invert the vertex order of the next triangle
-using WindingSetter = std::function<void()>;
-
-struct OutputVertex {
- Math::Vec4<float24> pos;
- Math::Vec4<float24> quat;
- Math::Vec4<float24> color;
- Math::Vec2<float24> tc0;
- Math::Vec2<float24> tc1;
- float24 tc0_w;
- INSERT_PADDING_WORDS(1);
- Math::Vec3<float24> view;
- INSERT_PADDING_WORDS(1);
- Math::Vec2<float24> tc2;
-
- static OutputVertex FromAttributeBuffer(const RasterizerRegs& regs,
- const AttributeBuffer& output);
-};
-#define ASSERT_POS(var, pos) \
- static_assert(offsetof(OutputVertex, var) == pos * sizeof(float24), "Semantic at wrong " \
- "offset.")
-ASSERT_POS(pos, RasterizerRegs::VSOutputAttributes::POSITION_X);
-ASSERT_POS(quat, RasterizerRegs::VSOutputAttributes::QUATERNION_X);
-ASSERT_POS(color, RasterizerRegs::VSOutputAttributes::COLOR_R);
-ASSERT_POS(tc0, RasterizerRegs::VSOutputAttributes::TEXCOORD0_U);
-ASSERT_POS(tc1, RasterizerRegs::VSOutputAttributes::TEXCOORD1_U);
-ASSERT_POS(tc0_w, RasterizerRegs::VSOutputAttributes::TEXCOORD0_W);
-ASSERT_POS(view, RasterizerRegs::VSOutputAttributes::VIEW_X);
-ASSERT_POS(tc2, RasterizerRegs::VSOutputAttributes::TEXCOORD2_U);
-#undef ASSERT_POS
-static_assert(std::is_pod<OutputVertex>::value, "Structure is not POD");
-static_assert(sizeof(OutputVertex) == 24 * sizeof(float), "OutputVertex has invalid size");
-
-/**
- * This structure contains state information for primitive emitting in geometry shader.
- */
-struct GSEmitter {
- std::array<std::array<Math::Vec4<float24>, 16>, 3> buffer;
- u8 vertex_id;
- bool prim_emit;
- bool winding;
- u32 output_mask;
-
- // Function objects are hidden behind a raw pointer to make the structure standard layout type,
- // for JIT to use offsetof to access other members.
- struct Handlers {
- VertexHandler vertex_handler;
- WindingSetter winding_setter;
- } * handlers;
-
- GSEmitter();
- ~GSEmitter();
- void Emit(Math::Vec4<float24> (&vertex)[16]);
-};
-static_assert(std::is_standard_layout<GSEmitter>::value, "GSEmitter is not standard layout type");
-
-/**
- * This structure contains the state information that needs to be unique for a shader unit. The 3DS
- * has four shader units that process shaders in parallel. At the present, Citra only implements a
- * single shader unit that processes all shaders serially. Putting the state information in a struct
- * here will make it easier for us to parallelize the shader processing later.
- */
-struct UnitState {
- explicit UnitState(GSEmitter* emitter = nullptr);
- struct Registers {
- // The registers are accessed by the shader JIT using SSE instructions, and are therefore
- // required to be 16-byte aligned.
- alignas(16) Math::Vec4<float24> input[16];
- alignas(16) Math::Vec4<float24> temporary[16];
- alignas(16) Math::Vec4<float24> output[16];
- } registers;
- static_assert(std::is_pod<Registers>::value, "Structure is not POD");
-
- bool conditional_code[2];
-
- // Two Address registers and one loop counter
- // TODO: How many bits do these actually have?
- s32 address_registers[3];
-
- GSEmitter* emitter_ptr;
-
- static size_t InputOffset(const SourceRegister& reg) {
- switch (reg.GetRegisterType()) {
- case RegisterType::Input:
- return offsetof(UnitState, registers.input) +
- reg.GetIndex() * sizeof(Math::Vec4<float24>);
-
- case RegisterType::Temporary:
- return offsetof(UnitState, registers.temporary) +
- reg.GetIndex() * sizeof(Math::Vec4<float24>);
-
- default:
- UNREACHABLE();
- return 0;
- }
- }
-
- static size_t OutputOffset(const DestRegister& reg) {
- switch (reg.GetRegisterType()) {
- case RegisterType::Output:
- return offsetof(UnitState, registers.output) +
- reg.GetIndex() * sizeof(Math::Vec4<float24>);
-
- case RegisterType::Temporary:
- return offsetof(UnitState, registers.temporary) +
- reg.GetIndex() * sizeof(Math::Vec4<float24>);
-
- default:
- UNREACHABLE();
- return 0;
- }
- }
-
- /**
- * Loads the unit state with an input vertex.
- *
- * @param config Shader configuration registers corresponding to the unit.
- * @param input Attribute buffer to load into the input registers.
- */
- void LoadInput(const ShaderRegs& config, const AttributeBuffer& input);
-
- void WriteOutput(const ShaderRegs& config, AttributeBuffer& output);
-};
-
-/**
- * This is an extended shader unit state that represents the special unit that can run both vertex
- * shader and geometry shader. It contains an additional primitive emitter and utilities for
- * geometry shader.
- */
-struct GSUnitState : public UnitState {
- GSUnitState();
- void SetVertexHandler(VertexHandler vertex_handler, WindingSetter winding_setter);
- void ConfigOutput(const ShaderRegs& config);
-
- GSEmitter emitter;
-};
-
-struct ShaderSetup {
- struct {
- // The float uniforms are accessed by the shader JIT using SSE instructions, and are
- // therefore required to be 16-byte aligned.
- alignas(16) Math::Vec4<float24> f[96];
-
- std::array<bool, 16> b;
- std::array<Math::Vec4<u8>, 4> i;
- } uniforms;
-
- static size_t GetFloatUniformOffset(unsigned index) {
- return offsetof(ShaderSetup, uniforms.f) + index * sizeof(Math::Vec4<float24>);
- }
-
- static size_t GetBoolUniformOffset(unsigned index) {
- return offsetof(ShaderSetup, uniforms.b) + index * sizeof(bool);
- }
-
- static size_t GetIntUniformOffset(unsigned index) {
- return offsetof(ShaderSetup, uniforms.i) + index * sizeof(Math::Vec4<u8>);
- }
-
- std::array<u32, MAX_PROGRAM_CODE_LENGTH> program_code;
- std::array<u32, MAX_SWIZZLE_DATA_LENGTH> swizzle_data;
-
- /// Data private to ShaderEngines
- struct EngineData {
- unsigned int entry_point;
- /// Used by the JIT, points to a compiled shader object.
- const void* cached_shader = nullptr;
- } engine_data;
-};
-
-class ShaderEngine {
-public:
- virtual ~ShaderEngine() = default;
-
- /**
- * Performs any shader unit setup that only needs to happen once per shader (as opposed to once
- * per vertex, which would happen within the `Run` function).
- */
- virtual void SetupBatch(ShaderSetup& setup, unsigned int entry_point) = 0;
-
- /**
- * Runs the currently setup shader.
- *
- * @param setup Shader engine state, must be setup with SetupBatch on each shader change.
- * @param state Shader unit state, must be setup with input data before each shader invocation.
- */
- virtual void Run(const ShaderSetup& setup, UnitState& state) const = 0;
-};
-
-// TODO(yuriks): Remove and make it non-global state somewhere
-ShaderEngine* GetEngine();
-void Shutdown();
-
-} // namespace Shader
-
-} // namespace Pica
diff --git a/src/video_core/shader/shader_interpreter.cpp b/src/video_core/shader/shader_interpreter.cpp
deleted file mode 100644
index 9d4da4904..000000000
--- a/src/video_core/shader/shader_interpreter.cpp
+++ /dev/null
@@ -1,701 +0,0 @@
-// Copyright 2014 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include <algorithm>
-#include <array>
-#include <cmath>
-#include <numeric>
-#include <boost/container/static_vector.hpp>
-#include <boost/range/algorithm/fill.hpp>
-#include <nihstro/shader_bytecode.h>
-#include "common/assert.h"
-#include "common/common_types.h"
-#include "common/logging/log.h"
-#include "common/microprofile.h"
-#include "common/vector_math.h"
-#include "video_core/pica_state.h"
-#include "video_core/pica_types.h"
-#include "video_core/shader/shader.h"
-#include "video_core/shader/shader_interpreter.h"
-
-using nihstro::OpCode;
-using nihstro::Instruction;
-using nihstro::RegisterType;
-using nihstro::SourceRegister;
-using nihstro::SwizzlePattern;
-
-namespace Pica {
-
-namespace Shader {
-
-struct CallStackElement {
- u32 final_address; // Address upon which we jump to return_address
- u32 return_address; // Where to jump when leaving scope
- u8 repeat_counter; // How often to repeat until this call stack element is removed
- u8 loop_increment; // Which value to add to the loop counter after an iteration
- // TODO: Should this be a signed value? Does it even matter?
- u32 loop_address; // The address where we'll return to after each loop iteration
-};
-
-template <bool Debug>
-static void RunInterpreter(const ShaderSetup& setup, UnitState& state, DebugData<Debug>& debug_data,
- unsigned offset) {
- // TODO: Is there a maximal size for this?
- boost::container::static_vector<CallStackElement, 16> call_stack;
- u32 program_counter = offset;
-
- state.conditional_code[0] = false;
- state.conditional_code[1] = false;
-
- auto call = [&program_counter, &call_stack](u32 offset, u32 num_instructions, u32 return_offset,
- u8 repeat_count, u8 loop_increment) {
- // -1 to make sure when incrementing the PC we end up at the correct offset
- program_counter = offset - 1;
- ASSERT(call_stack.size() < call_stack.capacity());
- call_stack.push_back(
- {offset + num_instructions, return_offset, repeat_count, loop_increment, offset});
- };
-
- auto evaluate_condition = [&state](Instruction::FlowControlType flow_control) {
- using Op = Instruction::FlowControlType::Op;
-
- bool result_x = flow_control.refx.Value() == state.conditional_code[0];
- bool result_y = flow_control.refy.Value() == state.conditional_code[1];
-
- switch (flow_control.op) {
- case Op::Or:
- return result_x || result_y;
- case Op::And:
- return result_x && result_y;
- case Op::JustX:
- return result_x;
- case Op::JustY:
- return result_y;
- default:
- UNREACHABLE();
- return false;
- }
- };
-
- const auto& uniforms = setup.uniforms;
- const auto& swizzle_data = setup.swizzle_data;
- const auto& program_code = setup.program_code;
-
- // Placeholder for invalid inputs
- static float24 dummy_vec4_float24[4];
-
- unsigned iteration = 0;
- bool exit_loop = false;
- while (!exit_loop) {
- if (!call_stack.empty()) {
- auto& top = call_stack.back();
- if (program_counter == top.final_address) {
- state.address_registers[2] += top.loop_increment;
-
- if (top.repeat_counter-- == 0) {
- program_counter = top.return_address;
- call_stack.pop_back();
- } else {
- program_counter = top.loop_address;
- }
-
- // TODO: Is "trying again" accurate to hardware?
- continue;
- }
- }
-
- const Instruction instr = {program_code[program_counter]};
- const SwizzlePattern swizzle = {swizzle_data[instr.common.operand_desc_id]};
-
- Record<DebugDataRecord::CUR_INSTR>(debug_data, iteration, program_counter);
- if (iteration > 0)
- Record<DebugDataRecord::NEXT_INSTR>(debug_data, iteration - 1, program_counter);
-
- debug_data.max_offset = std::max<u32>(debug_data.max_offset, 1 + program_counter);
-
- auto LookupSourceRegister = [&](const SourceRegister& source_reg) -> const float24* {
- switch (source_reg.GetRegisterType()) {
- case RegisterType::Input:
- return &state.registers.input[source_reg.GetIndex()].x;
-
- case RegisterType::Temporary:
- return &state.registers.temporary[source_reg.GetIndex()].x;
-
- case RegisterType::FloatUniform:
- return &uniforms.f[source_reg.GetIndex()].x;
-
- default:
- return dummy_vec4_float24;
- }
- };
-
- switch (instr.opcode.Value().GetInfo().type) {
- case OpCode::Type::Arithmetic: {
- const bool is_inverted =
- (0 != (instr.opcode.Value().GetInfo().subtype & OpCode::Info::SrcInversed));
-
- const int address_offset =
- (instr.common.address_register_index == 0)
- ? 0
- : state.address_registers[instr.common.address_register_index - 1];
-
- const float24* src1_ = LookupSourceRegister(instr.common.GetSrc1(is_inverted) +
- (is_inverted ? 0 : address_offset));
- const float24* src2_ = LookupSourceRegister(instr.common.GetSrc2(is_inverted) +
- (is_inverted ? address_offset : 0));
-
- const bool negate_src1 = ((bool)swizzle.negate_src1 != false);
- const bool negate_src2 = ((bool)swizzle.negate_src2 != false);
-
- float24 src1[4] = {
- src1_[(int)swizzle.src1_selector_0.Value()],
- src1_[(int)swizzle.src1_selector_1.Value()],
- src1_[(int)swizzle.src1_selector_2.Value()],
- src1_[(int)swizzle.src1_selector_3.Value()],
- };
- if (negate_src1) {
- src1[0] = -src1[0];
- src1[1] = -src1[1];
- src1[2] = -src1[2];
- src1[3] = -src1[3];
- }
- float24 src2[4] = {
- src2_[(int)swizzle.src2_selector_0.Value()],
- src2_[(int)swizzle.src2_selector_1.Value()],
- src2_[(int)swizzle.src2_selector_2.Value()],
- src2_[(int)swizzle.src2_selector_3.Value()],
- };
- if (negate_src2) {
- src2[0] = -src2[0];
- src2[1] = -src2[1];
- src2[2] = -src2[2];
- src2[3] = -src2[3];
- }
-
- float24* dest =
- (instr.common.dest.Value() < 0x10)
- ? &state.registers.output[instr.common.dest.Value().GetIndex()][0]
- : (instr.common.dest.Value() < 0x20)
- ? &state.registers.temporary[instr.common.dest.Value().GetIndex()][0]
- : dummy_vec4_float24;
-
- debug_data.max_opdesc_id =
- std::max<u32>(debug_data.max_opdesc_id, 1 + instr.common.operand_desc_id);
-
- switch (instr.opcode.Value().EffectiveOpCode()) {
- case OpCode::Id::ADD: {
- Record<DebugDataRecord::SRC1>(debug_data, iteration, src1);
- Record<DebugDataRecord::SRC2>(debug_data, iteration, src2);
- Record<DebugDataRecord::DEST_IN>(debug_data, iteration, dest);
- for (int i = 0; i < 4; ++i) {
- if (!swizzle.DestComponentEnabled(i))
- continue;
-
- dest[i] = src1[i] + src2[i];
- }
- Record<DebugDataRecord::DEST_OUT>(debug_data, iteration, dest);
- break;
- }
-
- case OpCode::Id::MUL: {
- Record<DebugDataRecord::SRC1>(debug_data, iteration, src1);
- Record<DebugDataRecord::SRC2>(debug_data, iteration, src2);
- Record<DebugDataRecord::DEST_IN>(debug_data, iteration, dest);
- for (int i = 0; i < 4; ++i) {
- if (!swizzle.DestComponentEnabled(i))
- continue;
-
- dest[i] = src1[i] * src2[i];
- }
- Record<DebugDataRecord::DEST_OUT>(debug_data, iteration, dest);
- break;
- }
-
- case OpCode::Id::FLR:
- Record<DebugDataRecord::SRC1>(debug_data, iteration, src1);
- Record<DebugDataRecord::DEST_IN>(debug_data, iteration, dest);
- for (int i = 0; i < 4; ++i) {
- if (!swizzle.DestComponentEnabled(i))
- continue;
-
- dest[i] = float24::FromFloat32(std::floor(src1[i].ToFloat32()));
- }
- Record<DebugDataRecord::DEST_OUT>(debug_data, iteration, dest);
- break;
-
- case OpCode::Id::MAX:
- Record<DebugDataRecord::SRC1>(debug_data, iteration, src1);
- Record<DebugDataRecord::SRC2>(debug_data, iteration, src2);
- Record<DebugDataRecord::DEST_IN>(debug_data, iteration, dest);
- for (int i = 0; i < 4; ++i) {
- if (!swizzle.DestComponentEnabled(i))
- continue;
-
- // NOTE: Exact form required to match NaN semantics to hardware:
- // max(0, NaN) -> NaN
- // max(NaN, 0) -> 0
- dest[i] = (src1[i] > src2[i]) ? src1[i] : src2[i];
- }
- Record<DebugDataRecord::DEST_OUT>(debug_data, iteration, dest);
- break;
-
- case OpCode::Id::MIN:
- Record<DebugDataRecord::SRC1>(debug_data, iteration, src1);
- Record<DebugDataRecord::SRC2>(debug_data, iteration, src2);
- Record<DebugDataRecord::DEST_IN>(debug_data, iteration, dest);
- for (int i = 0; i < 4; ++i) {
- if (!swizzle.DestComponentEnabled(i))
- continue;
-
- // NOTE: Exact form required to match NaN semantics to hardware:
- // min(0, NaN) -> NaN
- // min(NaN, 0) -> 0
- dest[i] = (src1[i] < src2[i]) ? src1[i] : src2[i];
- }
- Record<DebugDataRecord::DEST_OUT>(debug_data, iteration, dest);
- break;
-
- case OpCode::Id::DP3:
- case OpCode::Id::DP4:
- case OpCode::Id::DPH:
- case OpCode::Id::DPHI: {
- Record<DebugDataRecord::SRC1>(debug_data, iteration, src1);
- Record<DebugDataRecord::SRC2>(debug_data, iteration, src2);
- Record<DebugDataRecord::DEST_IN>(debug_data, iteration, dest);
-
- OpCode::Id opcode = instr.opcode.Value().EffectiveOpCode();
- if (opcode == OpCode::Id::DPH || opcode == OpCode::Id::DPHI)
- src1[3] = float24::FromFloat32(1.0f);
-
- int num_components = (opcode == OpCode::Id::DP3) ? 3 : 4;
- float24 dot = std::inner_product(src1, src1 + num_components, src2,
- float24::FromFloat32(0.f));
-
- for (int i = 0; i < 4; ++i) {
- if (!swizzle.DestComponentEnabled(i))
- continue;
-
- dest[i] = dot;
- }
- Record<DebugDataRecord::DEST_OUT>(debug_data, iteration, dest);
- break;
- }
-
- // Reciprocal
- case OpCode::Id::RCP: {
- Record<DebugDataRecord::SRC1>(debug_data, iteration, src1);
- Record<DebugDataRecord::DEST_IN>(debug_data, iteration, dest);
- float24 rcp_res = float24::FromFloat32(1.0f / src1[0].ToFloat32());
- for (int i = 0; i < 4; ++i) {
- if (!swizzle.DestComponentEnabled(i))
- continue;
-
- dest[i] = rcp_res;
- }
- Record<DebugDataRecord::DEST_OUT>(debug_data, iteration, dest);
- break;
- }
-
- // Reciprocal Square Root
- case OpCode::Id::RSQ: {
- Record<DebugDataRecord::SRC1>(debug_data, iteration, src1);
- Record<DebugDataRecord::DEST_IN>(debug_data, iteration, dest);
- float24 rsq_res = float24::FromFloat32(1.0f / std::sqrt(src1[0].ToFloat32()));
- for (int i = 0; i < 4; ++i) {
- if (!swizzle.DestComponentEnabled(i))
- continue;
-
- dest[i] = rsq_res;
- }
- Record<DebugDataRecord::DEST_OUT>(debug_data, iteration, dest);
- break;
- }
-
- case OpCode::Id::MOVA: {
- Record<DebugDataRecord::SRC1>(debug_data, iteration, src1);
- for (int i = 0; i < 2; ++i) {
- if (!swizzle.DestComponentEnabled(i))
- continue;
-
- // TODO: Figure out how the rounding is done on hardware
- state.address_registers[i] = static_cast<s32>(src1[i].ToFloat32());
- }
- Record<DebugDataRecord::ADDR_REG_OUT>(debug_data, iteration,
- state.address_registers);
- break;
- }
-
- case OpCode::Id::MOV: {
- Record<DebugDataRecord::SRC1>(debug_data, iteration, src1);
- Record<DebugDataRecord::DEST_IN>(debug_data, iteration, dest);
- for (int i = 0; i < 4; ++i) {
- if (!swizzle.DestComponentEnabled(i))
- continue;
-
- dest[i] = src1[i];
- }
- Record<DebugDataRecord::DEST_OUT>(debug_data, iteration, dest);
- break;
- }
-
- case OpCode::Id::SGE:
- case OpCode::Id::SGEI:
- Record<DebugDataRecord::SRC1>(debug_data, iteration, src1);
- Record<DebugDataRecord::SRC2>(debug_data, iteration, src2);
- Record<DebugDataRecord::DEST_IN>(debug_data, iteration, dest);
- for (int i = 0; i < 4; ++i) {
- if (!swizzle.DestComponentEnabled(i))
- continue;
-
- dest[i] = (src1[i] >= src2[i]) ? float24::FromFloat32(1.0f)
- : float24::FromFloat32(0.0f);
- }
- Record<DebugDataRecord::DEST_OUT>(debug_data, iteration, dest);
- break;
-
- case OpCode::Id::SLT:
- case OpCode::Id::SLTI:
- Record<DebugDataRecord::SRC1>(debug_data, iteration, src1);
- Record<DebugDataRecord::SRC2>(debug_data, iteration, src2);
- Record<DebugDataRecord::DEST_IN>(debug_data, iteration, dest);
- for (int i = 0; i < 4; ++i) {
- if (!swizzle.DestComponentEnabled(i))
- continue;
-
- dest[i] = (src1[i] < src2[i]) ? float24::FromFloat32(1.0f)
- : float24::FromFloat32(0.0f);
- }
- Record<DebugDataRecord::DEST_OUT>(debug_data, iteration, dest);
- break;
-
- case OpCode::Id::CMP:
- Record<DebugDataRecord::SRC1>(debug_data, iteration, src1);
- Record<DebugDataRecord::SRC2>(debug_data, iteration, src2);
- for (int i = 0; i < 2; ++i) {
- // TODO: Can you restrict to one compare via dest masking?
-
- auto compare_op = instr.common.compare_op;
- auto op = (i == 0) ? compare_op.x.Value() : compare_op.y.Value();
-
- switch (op) {
- case Instruction::Common::CompareOpType::Equal:
- state.conditional_code[i] = (src1[i] == src2[i]);
- break;
-
- case Instruction::Common::CompareOpType::NotEqual:
- state.conditional_code[i] = (src1[i] != src2[i]);
- break;
-
- case Instruction::Common::CompareOpType::LessThan:
- state.conditional_code[i] = (src1[i] < src2[i]);
- break;
-
- case Instruction::Common::CompareOpType::LessEqual:
- state.conditional_code[i] = (src1[i] <= src2[i]);
- break;
-
- case Instruction::Common::CompareOpType::GreaterThan:
- state.conditional_code[i] = (src1[i] > src2[i]);
- break;
-
- case Instruction::Common::CompareOpType::GreaterEqual:
- state.conditional_code[i] = (src1[i] >= src2[i]);
- break;
-
- default:
- LOG_ERROR(HW_GPU, "Unknown compare mode %x", static_cast<int>(op));
- break;
- }
- }
- Record<DebugDataRecord::CMP_RESULT>(debug_data, iteration, state.conditional_code);
- break;
-
- case OpCode::Id::EX2: {
- Record<DebugDataRecord::SRC1>(debug_data, iteration, src1);
- Record<DebugDataRecord::DEST_IN>(debug_data, iteration, dest);
-
- // EX2 only takes first component exp2 and writes it to all dest components
- float24 ex2_res = float24::FromFloat32(std::exp2(src1[0].ToFloat32()));
- for (int i = 0; i < 4; ++i) {
- if (!swizzle.DestComponentEnabled(i))
- continue;
-
- dest[i] = ex2_res;
- }
-
- Record<DebugDataRecord::DEST_OUT>(debug_data, iteration, dest);
- break;
- }
-
- case OpCode::Id::LG2: {
- Record<DebugDataRecord::SRC1>(debug_data, iteration, src1);
- Record<DebugDataRecord::DEST_IN>(debug_data, iteration, dest);
-
- // LG2 only takes the first component log2 and writes it to all dest components
- float24 lg2_res = float24::FromFloat32(std::log2(src1[0].ToFloat32()));
- for (int i = 0; i < 4; ++i) {
- if (!swizzle.DestComponentEnabled(i))
- continue;
-
- dest[i] = lg2_res;
- }
-
- Record<DebugDataRecord::DEST_OUT>(debug_data, iteration, dest);
- break;
- }
-
- default:
- LOG_ERROR(HW_GPU, "Unhandled arithmetic instruction: 0x%02x (%s): 0x%08x",
- (int)instr.opcode.Value().EffectiveOpCode(),
- instr.opcode.Value().GetInfo().name, instr.hex);
- DEBUG_ASSERT(false);
- break;
- }
-
- break;
- }
-
- case OpCode::Type::MultiplyAdd: {
- if ((instr.opcode.Value().EffectiveOpCode() == OpCode::Id::MAD) ||
- (instr.opcode.Value().EffectiveOpCode() == OpCode::Id::MADI)) {
- const SwizzlePattern& swizzle = *reinterpret_cast<const SwizzlePattern*>(
- &swizzle_data[instr.mad.operand_desc_id]);
-
- bool is_inverted = (instr.opcode.Value().EffectiveOpCode() == OpCode::Id::MADI);
-
- const int address_offset =
- (instr.mad.address_register_index == 0)
- ? 0
- : state.address_registers[instr.mad.address_register_index - 1];
-
- const float24* src1_ = LookupSourceRegister(instr.mad.GetSrc1(is_inverted));
- const float24* src2_ = LookupSourceRegister(instr.mad.GetSrc2(is_inverted) +
- (!is_inverted * address_offset));
- const float24* src3_ = LookupSourceRegister(instr.mad.GetSrc3(is_inverted) +
- (is_inverted * address_offset));
-
- const bool negate_src1 = ((bool)swizzle.negate_src1 != false);
- const bool negate_src2 = ((bool)swizzle.negate_src2 != false);
- const bool negate_src3 = ((bool)swizzle.negate_src3 != false);
-
- float24 src1[4] = {
- src1_[(int)swizzle.src1_selector_0.Value()],
- src1_[(int)swizzle.src1_selector_1.Value()],
- src1_[(int)swizzle.src1_selector_2.Value()],
- src1_[(int)swizzle.src1_selector_3.Value()],
- };
- if (negate_src1) {
- src1[0] = -src1[0];
- src1[1] = -src1[1];
- src1[2] = -src1[2];
- src1[3] = -src1[3];
- }
- float24 src2[4] = {
- src2_[(int)swizzle.src2_selector_0.Value()],
- src2_[(int)swizzle.src2_selector_1.Value()],
- src2_[(int)swizzle.src2_selector_2.Value()],
- src2_[(int)swizzle.src2_selector_3.Value()],
- };
- if (negate_src2) {
- src2[0] = -src2[0];
- src2[1] = -src2[1];
- src2[2] = -src2[2];
- src2[3] = -src2[3];
- }
- float24 src3[4] = {
- src3_[(int)swizzle.src3_selector_0.Value()],
- src3_[(int)swizzle.src3_selector_1.Value()],
- src3_[(int)swizzle.src3_selector_2.Value()],
- src3_[(int)swizzle.src3_selector_3.Value()],
- };
- if (negate_src3) {
- src3[0] = -src3[0];
- src3[1] = -src3[1];
- src3[2] = -src3[2];
- src3[3] = -src3[3];
- }
-
- float24* dest =
- (instr.mad.dest.Value() < 0x10)
- ? &state.registers.output[instr.mad.dest.Value().GetIndex()][0]
- : (instr.mad.dest.Value() < 0x20)
- ? &state.registers.temporary[instr.mad.dest.Value().GetIndex()][0]
- : dummy_vec4_float24;
-
- Record<DebugDataRecord::SRC1>(debug_data, iteration, src1);
- Record<DebugDataRecord::SRC2>(debug_data, iteration, src2);
- Record<DebugDataRecord::SRC3>(debug_data, iteration, src3);
- Record<DebugDataRecord::DEST_IN>(debug_data, iteration, dest);
- for (int i = 0; i < 4; ++i) {
- if (!swizzle.DestComponentEnabled(i))
- continue;
-
- dest[i] = src1[i] * src2[i] + src3[i];
- }
- Record<DebugDataRecord::DEST_OUT>(debug_data, iteration, dest);
- } else {
- LOG_ERROR(HW_GPU, "Unhandled multiply-add instruction: 0x%02x (%s): 0x%08x",
- (int)instr.opcode.Value().EffectiveOpCode(),
- instr.opcode.Value().GetInfo().name, instr.hex);
- }
- break;
- }
-
- default: {
- // Handle each instruction on its own
- switch (instr.opcode.Value()) {
- case OpCode::Id::END:
- exit_loop = true;
- break;
-
- case OpCode::Id::JMPC:
- Record<DebugDataRecord::COND_CMP_IN>(debug_data, iteration, state.conditional_code);
- if (evaluate_condition(instr.flow_control)) {
- program_counter = instr.flow_control.dest_offset - 1;
- }
- break;
-
- case OpCode::Id::JMPU:
- Record<DebugDataRecord::COND_BOOL_IN>(
- debug_data, iteration, uniforms.b[instr.flow_control.bool_uniform_id]);
-
- if (uniforms.b[instr.flow_control.bool_uniform_id] ==
- !(instr.flow_control.num_instructions & 1)) {
- program_counter = instr.flow_control.dest_offset - 1;
- }
- break;
-
- case OpCode::Id::CALL:
- call(instr.flow_control.dest_offset, instr.flow_control.num_instructions,
- program_counter + 1, 0, 0);
- break;
-
- case OpCode::Id::CALLU:
- Record<DebugDataRecord::COND_BOOL_IN>(
- debug_data, iteration, uniforms.b[instr.flow_control.bool_uniform_id]);
- if (uniforms.b[instr.flow_control.bool_uniform_id]) {
- call(instr.flow_control.dest_offset, instr.flow_control.num_instructions,
- program_counter + 1, 0, 0);
- }
- break;
-
- case OpCode::Id::CALLC:
- Record<DebugDataRecord::COND_CMP_IN>(debug_data, iteration, state.conditional_code);
- if (evaluate_condition(instr.flow_control)) {
- call(instr.flow_control.dest_offset, instr.flow_control.num_instructions,
- program_counter + 1, 0, 0);
- }
- break;
-
- case OpCode::Id::NOP:
- break;
-
- case OpCode::Id::IFU:
- Record<DebugDataRecord::COND_BOOL_IN>(
- debug_data, iteration, uniforms.b[instr.flow_control.bool_uniform_id]);
- if (uniforms.b[instr.flow_control.bool_uniform_id]) {
- call(program_counter + 1, instr.flow_control.dest_offset - program_counter - 1,
- instr.flow_control.dest_offset + instr.flow_control.num_instructions, 0,
- 0);
- } else {
- call(instr.flow_control.dest_offset, instr.flow_control.num_instructions,
- instr.flow_control.dest_offset + instr.flow_control.num_instructions, 0,
- 0);
- }
-
- break;
-
- case OpCode::Id::IFC: {
- // TODO: Do we need to consider swizzlers here?
-
- Record<DebugDataRecord::COND_CMP_IN>(debug_data, iteration, state.conditional_code);
- if (evaluate_condition(instr.flow_control)) {
- call(program_counter + 1, instr.flow_control.dest_offset - program_counter - 1,
- instr.flow_control.dest_offset + instr.flow_control.num_instructions, 0,
- 0);
- } else {
- call(instr.flow_control.dest_offset, instr.flow_control.num_instructions,
- instr.flow_control.dest_offset + instr.flow_control.num_instructions, 0,
- 0);
- }
-
- break;
- }
-
- case OpCode::Id::LOOP: {
- Math::Vec4<u8> loop_param(uniforms.i[instr.flow_control.int_uniform_id].x,
- uniforms.i[instr.flow_control.int_uniform_id].y,
- uniforms.i[instr.flow_control.int_uniform_id].z,
- uniforms.i[instr.flow_control.int_uniform_id].w);
- state.address_registers[2] = loop_param.y;
-
- Record<DebugDataRecord::LOOP_INT_IN>(debug_data, iteration, loop_param);
- call(program_counter + 1, instr.flow_control.dest_offset - program_counter,
- instr.flow_control.dest_offset + 1, loop_param.x, loop_param.z);
- break;
- }
-
- case OpCode::Id::EMIT: {
- GSEmitter* emitter = state.emitter_ptr;
- ASSERT_MSG(emitter, "Execute EMIT on VS");
- emitter->Emit(state.registers.output);
- break;
- }
-
- case OpCode::Id::SETEMIT: {
- GSEmitter* emitter = state.emitter_ptr;
- ASSERT_MSG(emitter, "Execute SETEMIT on VS");
- emitter->vertex_id = instr.setemit.vertex_id;
- emitter->prim_emit = instr.setemit.prim_emit != 0;
- emitter->winding = instr.setemit.winding != 0;
- break;
- }
-
- default:
- LOG_ERROR(HW_GPU, "Unhandled instruction: 0x%02x (%s): 0x%08x",
- (int)instr.opcode.Value().EffectiveOpCode(),
- instr.opcode.Value().GetInfo().name, instr.hex);
- break;
- }
-
- break;
- }
- }
-
- ++program_counter;
- ++iteration;
- }
-}
-
-void InterpreterEngine::SetupBatch(ShaderSetup& setup, unsigned int entry_point) {
- ASSERT(entry_point < MAX_PROGRAM_CODE_LENGTH);
- setup.engine_data.entry_point = entry_point;
-}
-
-MICROPROFILE_DECLARE(GPU_Shader);
-
-void InterpreterEngine::Run(const ShaderSetup& setup, UnitState& state) const {
-
- MICROPROFILE_SCOPE(GPU_Shader);
-
- DebugData<false> dummy_debug_data;
- RunInterpreter(setup, state, dummy_debug_data, setup.engine_data.entry_point);
-}
-
-DebugData<true> InterpreterEngine::ProduceDebugInfo(const ShaderSetup& setup,
- const AttributeBuffer& input,
- const ShaderRegs& config) const {
- UnitState state;
- DebugData<true> debug_data;
-
- // Setup input register table
- boost::fill(state.registers.input, Math::Vec4<float24>::AssignToAll(float24::Zero()));
- state.LoadInput(config, input);
- RunInterpreter(setup, state, debug_data, setup.engine_data.entry_point);
- return debug_data;
-}
-
-} // namespace
-
-} // namespace
diff --git a/src/video_core/shader/shader_interpreter.h b/src/video_core/shader/shader_interpreter.h
deleted file mode 100644
index 50fd7c69d..000000000
--- a/src/video_core/shader/shader_interpreter.h
+++ /dev/null
@@ -1,32 +0,0 @@
-// Copyright 2014 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include "video_core/shader/debug_data.h"
-#include "video_core/shader/shader.h"
-
-namespace Pica {
-
-namespace Shader {
-
-class InterpreterEngine final : public ShaderEngine {
-public:
- void SetupBatch(ShaderSetup& setup, unsigned int entry_point) override;
- void Run(const ShaderSetup& setup, UnitState& state) const override;
-
- /**
- * Produce debug information based on the given shader and input vertex
- * @param setup Shader engine state
- * @param input Input vertex into the shader
- * @param config Configuration object for the shader pipeline
- * @return Debug information for this shader with regards to the given vertex
- */
- DebugData<true> ProduceDebugInfo(const ShaderSetup& setup, const AttributeBuffer& input,
- const ShaderRegs& config) const;
-};
-
-} // namespace
-
-} // namespace
diff --git a/src/video_core/shader/shader_jit_x64.cpp b/src/video_core/shader/shader_jit_x64.cpp
deleted file mode 100644
index 73c21871c..000000000
--- a/src/video_core/shader/shader_jit_x64.cpp
+++ /dev/null
@@ -1,48 +0,0 @@
-// Copyright 2016 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include "common/hash.h"
-#include "common/microprofile.h"
-#include "video_core/shader/shader.h"
-#include "video_core/shader/shader_jit_x64.h"
-#include "video_core/shader/shader_jit_x64_compiler.h"
-
-namespace Pica {
-namespace Shader {
-
-JitX64Engine::JitX64Engine() = default;
-JitX64Engine::~JitX64Engine() = default;
-
-void JitX64Engine::SetupBatch(ShaderSetup& setup, unsigned int entry_point) {
- ASSERT(entry_point < MAX_PROGRAM_CODE_LENGTH);
- setup.engine_data.entry_point = entry_point;
-
- u64 code_hash = Common::ComputeHash64(&setup.program_code, sizeof(setup.program_code));
- u64 swizzle_hash = Common::ComputeHash64(&setup.swizzle_data, sizeof(setup.swizzle_data));
-
- u64 cache_key = code_hash ^ swizzle_hash;
- auto iter = cache.find(cache_key);
- if (iter != cache.end()) {
- setup.engine_data.cached_shader = iter->second.get();
- } else {
- auto shader = std::make_unique<JitShader>();
- shader->Compile(&setup.program_code, &setup.swizzle_data);
- setup.engine_data.cached_shader = shader.get();
- cache.emplace_hint(iter, cache_key, std::move(shader));
- }
-}
-
-MICROPROFILE_DECLARE(GPU_Shader);
-
-void JitX64Engine::Run(const ShaderSetup& setup, UnitState& state) const {
- ASSERT(setup.engine_data.cached_shader != nullptr);
-
- MICROPROFILE_SCOPE(GPU_Shader);
-
- const JitShader* shader = static_cast<const JitShader*>(setup.engine_data.cached_shader);
- shader->Run(setup, state, setup.engine_data.entry_point);
-}
-
-} // namespace Shader
-} // namespace Pica
diff --git a/src/video_core/shader/shader_jit_x64.h b/src/video_core/shader/shader_jit_x64.h
deleted file mode 100644
index 078b2cba5..000000000
--- a/src/video_core/shader/shader_jit_x64.h
+++ /dev/null
@@ -1,30 +0,0 @@
-// Copyright 2016 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <memory>
-#include <unordered_map>
-#include "common/common_types.h"
-#include "video_core/shader/shader.h"
-
-namespace Pica {
-namespace Shader {
-
-class JitShader;
-
-class JitX64Engine final : public ShaderEngine {
-public:
- JitX64Engine();
- ~JitX64Engine() override;
-
- void SetupBatch(ShaderSetup& setup, unsigned int entry_point) override;
- void Run(const ShaderSetup& setup, UnitState& state) const override;
-
-private:
- std::unordered_map<u64, std::unique_ptr<JitShader>> cache;
-};
-
-} // namespace Shader
-} // namespace Pica
diff --git a/src/video_core/shader/shader_jit_x64_compiler.cpp b/src/video_core/shader/shader_jit_x64_compiler.cpp
deleted file mode 100644
index 1b31623bd..000000000
--- a/src/video_core/shader/shader_jit_x64_compiler.cpp
+++ /dev/null
@@ -1,942 +0,0 @@
-// Copyright 2015 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include <algorithm>
-#include <cmath>
-#include <cstdint>
-#include <nihstro/shader_bytecode.h>
-#include <smmintrin.h>
-#include <xmmintrin.h>
-#include "common/assert.h"
-#include "common/logging/log.h"
-#include "common/vector_math.h"
-#include "common/x64/cpu_detect.h"
-#include "common/x64/xbyak_abi.h"
-#include "common/x64/xbyak_util.h"
-#include "video_core/pica_state.h"
-#include "video_core/pica_types.h"
-#include "video_core/shader/shader.h"
-#include "video_core/shader/shader_jit_x64_compiler.h"
-
-using namespace Common::X64;
-using namespace Xbyak::util;
-using Xbyak::Label;
-using Xbyak::Reg32;
-using Xbyak::Reg64;
-using Xbyak::Xmm;
-
-namespace Pica {
-
-namespace Shader {
-
-typedef void (JitShader::*JitFunction)(Instruction instr);
-
-const JitFunction instr_table[64] = {
- &JitShader::Compile_ADD, // add
- &JitShader::Compile_DP3, // dp3
- &JitShader::Compile_DP4, // dp4
- &JitShader::Compile_DPH, // dph
- nullptr, // unknown
- &JitShader::Compile_EX2, // ex2
- &JitShader::Compile_LG2, // lg2
- nullptr, // unknown
- &JitShader::Compile_MUL, // mul
- &JitShader::Compile_SGE, // sge
- &JitShader::Compile_SLT, // slt
- &JitShader::Compile_FLR, // flr
- &JitShader::Compile_MAX, // max
- &JitShader::Compile_MIN, // min
- &JitShader::Compile_RCP, // rcp
- &JitShader::Compile_RSQ, // rsq
- nullptr, // unknown
- nullptr, // unknown
- &JitShader::Compile_MOVA, // mova
- &JitShader::Compile_MOV, // mov
- nullptr, // unknown
- nullptr, // unknown
- nullptr, // unknown
- nullptr, // unknown
- &JitShader::Compile_DPH, // dphi
- nullptr, // unknown
- &JitShader::Compile_SGE, // sgei
- &JitShader::Compile_SLT, // slti
- nullptr, // unknown
- nullptr, // unknown
- nullptr, // unknown
- nullptr, // unknown
- nullptr, // unknown
- &JitShader::Compile_NOP, // nop
- &JitShader::Compile_END, // end
- nullptr, // break
- &JitShader::Compile_CALL, // call
- &JitShader::Compile_CALLC, // callc
- &JitShader::Compile_CALLU, // callu
- &JitShader::Compile_IF, // ifu
- &JitShader::Compile_IF, // ifc
- &JitShader::Compile_LOOP, // loop
- &JitShader::Compile_EMIT, // emit
- &JitShader::Compile_SETE, // sete
- &JitShader::Compile_JMP, // jmpc
- &JitShader::Compile_JMP, // jmpu
- &JitShader::Compile_CMP, // cmp
- &JitShader::Compile_CMP, // cmp
- &JitShader::Compile_MAD, // madi
- &JitShader::Compile_MAD, // madi
- &JitShader::Compile_MAD, // madi
- &JitShader::Compile_MAD, // madi
- &JitShader::Compile_MAD, // madi
- &JitShader::Compile_MAD, // madi
- &JitShader::Compile_MAD, // madi
- &JitShader::Compile_MAD, // madi
- &JitShader::Compile_MAD, // mad
- &JitShader::Compile_MAD, // mad
- &JitShader::Compile_MAD, // mad
- &JitShader::Compile_MAD, // mad
- &JitShader::Compile_MAD, // mad
- &JitShader::Compile_MAD, // mad
- &JitShader::Compile_MAD, // mad
- &JitShader::Compile_MAD, // mad
-};
-
-// The following is used to alias some commonly used registers. Generally, RAX-RDX and XMM0-XMM3 can
-// be used as scratch registers within a compiler function. The other registers have designated
-// purposes, as documented below:
-
-/// Pointer to the uniform memory
-static const Reg64 SETUP = r9;
-/// The two 32-bit VS address offset registers set by the MOVA instruction
-static const Reg64 ADDROFFS_REG_0 = r10;
-static const Reg64 ADDROFFS_REG_1 = r11;
-/// VS loop count register (Multiplied by 16)
-static const Reg32 LOOPCOUNT_REG = r12d;
-/// Current VS loop iteration number (we could probably use LOOPCOUNT_REG, but this quicker)
-static const Reg32 LOOPCOUNT = esi;
-/// Number to increment LOOPCOUNT_REG by on each loop iteration (Multiplied by 16)
-static const Reg32 LOOPINC = edi;
-/// Result of the previous CMP instruction for the X-component comparison
-static const Reg64 COND0 = r13;
-/// Result of the previous CMP instruction for the Y-component comparison
-static const Reg64 COND1 = r14;
-/// Pointer to the UnitState instance for the current VS unit
-static const Reg64 STATE = r15;
-/// SIMD scratch register
-static const Xmm SCRATCH = xmm0;
-/// Loaded with the first swizzled source register, otherwise can be used as a scratch register
-static const Xmm SRC1 = xmm1;
-/// Loaded with the second swizzled source register, otherwise can be used as a scratch register
-static const Xmm SRC2 = xmm2;
-/// Loaded with the third swizzled source register, otherwise can be used as a scratch register
-static const Xmm SRC3 = xmm3;
-/// Additional scratch register
-static const Xmm SCRATCH2 = xmm4;
-/// Constant vector of [1.0f, 1.0f, 1.0f, 1.0f], used to efficiently set a vector to one
-static const Xmm ONE = xmm14;
-/// Constant vector of [-0.f, -0.f, -0.f, -0.f], used to efficiently negate a vector with XOR
-static const Xmm NEGBIT = xmm15;
-
-// State registers that must not be modified by external functions calls
-// Scratch registers, e.g., SRC1 and SCRATCH, have to be saved on the side if needed
-static const BitSet32 persistent_regs = BuildRegSet({
- // Pointers to register blocks
- SETUP, STATE,
- // Cached registers
- ADDROFFS_REG_0, ADDROFFS_REG_1, LOOPCOUNT_REG, COND0, COND1,
- // Constants
- ONE, NEGBIT,
- // Loop variables
- LOOPCOUNT, LOOPINC,
-});
-
-/// Raw constant for the source register selector that indicates no swizzling is performed
-static const u8 NO_SRC_REG_SWIZZLE = 0x1b;
-/// Raw constant for the destination register enable mask that indicates all components are enabled
-static const u8 NO_DEST_REG_MASK = 0xf;
-
-static void LogCritical(const char* msg) {
- LOG_CRITICAL(HW_GPU, "%s", msg);
-}
-
-void JitShader::Compile_Assert(bool condition, const char* msg) {
- if (!condition) {
- mov(ABI_PARAM1, reinterpret_cast<size_t>(msg));
- CallFarFunction(*this, LogCritical);
- }
-}
-
-/**
- * Loads and swizzles a source register into the specified XMM register.
- * @param instr VS instruction, used for determining how to load the source register
- * @param src_num Number indicating which source register to load (1 = src1, 2 = src2, 3 = src3)
- * @param src_reg SourceRegister object corresponding to the source register to load
- * @param dest Destination XMM register to store the loaded, swizzled source register
- */
-void JitShader::Compile_SwizzleSrc(Instruction instr, unsigned src_num, SourceRegister src_reg,
- Xmm dest) {
- Reg64 src_ptr;
- size_t src_offset;
-
- if (src_reg.GetRegisterType() == RegisterType::FloatUniform) {
- src_ptr = SETUP;
- src_offset = ShaderSetup::GetFloatUniformOffset(src_reg.GetIndex());
- } else {
- src_ptr = STATE;
- src_offset = UnitState::InputOffset(src_reg);
- }
-
- int src_offset_disp = (int)src_offset;
- ASSERT_MSG(src_offset == src_offset_disp, "Source register offset too large for int type");
-
- unsigned operand_desc_id;
-
- const bool is_inverted =
- (0 != (instr.opcode.Value().GetInfo().subtype & OpCode::Info::SrcInversed));
-
- unsigned address_register_index;
- unsigned offset_src;
-
- if (instr.opcode.Value().EffectiveOpCode() == OpCode::Id::MAD ||
- instr.opcode.Value().EffectiveOpCode() == OpCode::Id::MADI) {
- operand_desc_id = instr.mad.operand_desc_id;
- offset_src = is_inverted ? 3 : 2;
- address_register_index = instr.mad.address_register_index;
- } else {
- operand_desc_id = instr.common.operand_desc_id;
- offset_src = is_inverted ? 2 : 1;
- address_register_index = instr.common.address_register_index;
- }
-
- if (src_num == offset_src && address_register_index != 0) {
- switch (address_register_index) {
- case 1: // address offset 1
- movaps(dest, xword[src_ptr + ADDROFFS_REG_0 + src_offset_disp]);
- break;
- case 2: // address offset 2
- movaps(dest, xword[src_ptr + ADDROFFS_REG_1 + src_offset_disp]);
- break;
- case 3: // address offset 3
- movaps(dest, xword[src_ptr + LOOPCOUNT_REG.cvt64() + src_offset_disp]);
- break;
- default:
- UNREACHABLE();
- break;
- }
- } else {
- // Load the source
- movaps(dest, xword[src_ptr + src_offset_disp]);
- }
-
- SwizzlePattern swiz = {(*swizzle_data)[operand_desc_id]};
-
- // Generate instructions for source register swizzling as needed
- u8 sel = swiz.GetRawSelector(src_num);
- if (sel != NO_SRC_REG_SWIZZLE) {
- // Selector component order needs to be reversed for the SHUFPS instruction
- sel = ((sel & 0xc0) >> 6) | ((sel & 3) << 6) | ((sel & 0xc) << 2) | ((sel & 0x30) >> 2);
-
- // Shuffle inputs for swizzle
- shufps(dest, dest, sel);
- }
-
- // If the source register should be negated, flip the negative bit using XOR
- const bool negate[] = {swiz.negate_src1, swiz.negate_src2, swiz.negate_src3};
- if (negate[src_num - 1]) {
- xorps(dest, NEGBIT);
- }
-}
-
-void JitShader::Compile_DestEnable(Instruction instr, Xmm src) {
- DestRegister dest;
- unsigned operand_desc_id;
- if (instr.opcode.Value().EffectiveOpCode() == OpCode::Id::MAD ||
- instr.opcode.Value().EffectiveOpCode() == OpCode::Id::MADI) {
- operand_desc_id = instr.mad.operand_desc_id;
- dest = instr.mad.dest.Value();
- } else {
- operand_desc_id = instr.common.operand_desc_id;
- dest = instr.common.dest.Value();
- }
-
- SwizzlePattern swiz = {(*swizzle_data)[operand_desc_id]};
-
- size_t dest_offset_disp = UnitState::OutputOffset(dest);
-
- // If all components are enabled, write the result to the destination register
- if (swiz.dest_mask == NO_DEST_REG_MASK) {
- // Store dest back to memory
- movaps(xword[STATE + dest_offset_disp], src);
-
- } else {
- // Not all components are enabled, so mask the result when storing to the destination
- // register...
- movaps(SCRATCH, xword[STATE + dest_offset_disp]);
-
- if (Common::GetCPUCaps().sse4_1) {
- u8 mask = ((swiz.dest_mask & 1) << 3) | ((swiz.dest_mask & 8) >> 3) |
- ((swiz.dest_mask & 2) << 1) | ((swiz.dest_mask & 4) >> 1);
- blendps(SCRATCH, src, mask);
- } else {
- movaps(SCRATCH2, src);
- unpckhps(SCRATCH2, SCRATCH); // Unpack X/Y components of source and destination
- unpcklps(SCRATCH, src); // Unpack Z/W components of source and destination
-
- // Compute selector to selectively copy source components to destination for SHUFPS
- // instruction
- u8 sel = ((swiz.DestComponentEnabled(0) ? 1 : 0) << 0) |
- ((swiz.DestComponentEnabled(1) ? 3 : 2) << 2) |
- ((swiz.DestComponentEnabled(2) ? 0 : 1) << 4) |
- ((swiz.DestComponentEnabled(3) ? 2 : 3) << 6);
- shufps(SCRATCH, SCRATCH2, sel);
- }
-
- // Store dest back to memory
- movaps(xword[STATE + dest_offset_disp], SCRATCH);
- }
-}
-
-void JitShader::Compile_SanitizedMul(Xmm src1, Xmm src2, Xmm scratch) {
- // 0 * inf and inf * 0 in the PICA should return 0 instead of NaN. This can be implemented by
- // checking for NaNs before and after the multiplication. If the multiplication result is NaN
- // where neither source was, this NaN was generated by a 0 * inf multiplication, and so the
- // result should be transformed to 0 to match PICA fp rules.
-
- // Set scratch to mask of (src1 != NaN and src2 != NaN)
- movaps(scratch, src1);
- cmpordps(scratch, src2);
-
- mulps(src1, src2);
-
- // Set src2 to mask of (result == NaN)
- movaps(src2, src1);
- cmpunordps(src2, src2);
-
- // Clear components where scratch != src2 (i.e. if result is NaN where neither source was NaN)
- xorps(scratch, src2);
- andps(src1, scratch);
-}
-
-void JitShader::Compile_EvaluateCondition(Instruction instr) {
- // Note: NXOR is used below to check for equality
- switch (instr.flow_control.op) {
- case Instruction::FlowControlType::Or:
- mov(eax, COND0);
- mov(ebx, COND1);
- xor_(eax, (instr.flow_control.refx.Value() ^ 1));
- xor_(ebx, (instr.flow_control.refy.Value() ^ 1));
- or_(eax, ebx);
- break;
-
- case Instruction::FlowControlType::And:
- mov(eax, COND0);
- mov(ebx, COND1);
- xor_(eax, (instr.flow_control.refx.Value() ^ 1));
- xor_(ebx, (instr.flow_control.refy.Value() ^ 1));
- and_(eax, ebx);
- break;
-
- case Instruction::FlowControlType::JustX:
- mov(eax, COND0);
- xor_(eax, (instr.flow_control.refx.Value() ^ 1));
- break;
-
- case Instruction::FlowControlType::JustY:
- mov(eax, COND1);
- xor_(eax, (instr.flow_control.refy.Value() ^ 1));
- break;
- }
-}
-
-void JitShader::Compile_UniformCondition(Instruction instr) {
- size_t offset = ShaderSetup::GetBoolUniformOffset(instr.flow_control.bool_uniform_id);
- cmp(byte[SETUP + offset], 0);
-}
-
-BitSet32 JitShader::PersistentCallerSavedRegs() {
- return persistent_regs & ABI_ALL_CALLER_SAVED;
-}
-
-void JitShader::Compile_ADD(Instruction instr) {
- Compile_SwizzleSrc(instr, 1, instr.common.src1, SRC1);
- Compile_SwizzleSrc(instr, 2, instr.common.src2, SRC2);
- addps(SRC1, SRC2);
- Compile_DestEnable(instr, SRC1);
-}
-
-void JitShader::Compile_DP3(Instruction instr) {
- Compile_SwizzleSrc(instr, 1, instr.common.src1, SRC1);
- Compile_SwizzleSrc(instr, 2, instr.common.src2, SRC2);
-
- Compile_SanitizedMul(SRC1, SRC2, SCRATCH);
-
- movaps(SRC2, SRC1);
- shufps(SRC2, SRC2, _MM_SHUFFLE(1, 1, 1, 1));
-
- movaps(SRC3, SRC1);
- shufps(SRC3, SRC3, _MM_SHUFFLE(2, 2, 2, 2));
-
- shufps(SRC1, SRC1, _MM_SHUFFLE(0, 0, 0, 0));
- addps(SRC1, SRC2);
- addps(SRC1, SRC3);
-
- Compile_DestEnable(instr, SRC1);
-}
-
-void JitShader::Compile_DP4(Instruction instr) {
- Compile_SwizzleSrc(instr, 1, instr.common.src1, SRC1);
- Compile_SwizzleSrc(instr, 2, instr.common.src2, SRC2);
-
- Compile_SanitizedMul(SRC1, SRC2, SCRATCH);
-
- movaps(SRC2, SRC1);
- shufps(SRC1, SRC1, _MM_SHUFFLE(2, 3, 0, 1)); // XYZW -> ZWXY
- addps(SRC1, SRC2);
-
- movaps(SRC2, SRC1);
- shufps(SRC1, SRC1, _MM_SHUFFLE(0, 1, 2, 3)); // XYZW -> WZYX
- addps(SRC1, SRC2);
-
- Compile_DestEnable(instr, SRC1);
-}
-
-void JitShader::Compile_DPH(Instruction instr) {
- if (instr.opcode.Value().EffectiveOpCode() == OpCode::Id::DPHI) {
- Compile_SwizzleSrc(instr, 1, instr.common.src1i, SRC1);
- Compile_SwizzleSrc(instr, 2, instr.common.src2i, SRC2);
- } else {
- Compile_SwizzleSrc(instr, 1, instr.common.src1, SRC1);
- Compile_SwizzleSrc(instr, 2, instr.common.src2, SRC2);
- }
-
- if (Common::GetCPUCaps().sse4_1) {
- // Set 4th component to 1.0
- blendps(SRC1, ONE, 0b1000);
- } else {
- // Set 4th component to 1.0
- movaps(SCRATCH, SRC1);
- unpckhps(SCRATCH, ONE); // XYZW, 1111 -> Z1__
- unpcklpd(SRC1, SCRATCH); // XYZW, Z1__ -> XYZ1
- }
-
- Compile_SanitizedMul(SRC1, SRC2, SCRATCH);
-
- movaps(SRC2, SRC1);
- shufps(SRC1, SRC1, _MM_SHUFFLE(2, 3, 0, 1)); // XYZW -> ZWXY
- addps(SRC1, SRC2);
-
- movaps(SRC2, SRC1);
- shufps(SRC1, SRC1, _MM_SHUFFLE(0, 1, 2, 3)); // XYZW -> WZYX
- addps(SRC1, SRC2);
-
- Compile_DestEnable(instr, SRC1);
-}
-
-void JitShader::Compile_EX2(Instruction instr) {
- Compile_SwizzleSrc(instr, 1, instr.common.src1, SRC1);
- movss(xmm0, SRC1); // ABI_PARAM1
-
- ABI_PushRegistersAndAdjustStack(*this, PersistentCallerSavedRegs(), 0);
- CallFarFunction(*this, exp2f);
- ABI_PopRegistersAndAdjustStack(*this, PersistentCallerSavedRegs(), 0);
-
- shufps(xmm0, xmm0, _MM_SHUFFLE(0, 0, 0, 0)); // ABI_RETURN
- movaps(SRC1, xmm0);
- Compile_DestEnable(instr, SRC1);
-}
-
-void JitShader::Compile_LG2(Instruction instr) {
- Compile_SwizzleSrc(instr, 1, instr.common.src1, SRC1);
- movss(xmm0, SRC1); // ABI_PARAM1
-
- ABI_PushRegistersAndAdjustStack(*this, PersistentCallerSavedRegs(), 0);
- CallFarFunction(*this, log2f);
- ABI_PopRegistersAndAdjustStack(*this, PersistentCallerSavedRegs(), 0);
-
- shufps(xmm0, xmm0, _MM_SHUFFLE(0, 0, 0, 0)); // ABI_RETURN
- movaps(SRC1, xmm0);
- Compile_DestEnable(instr, SRC1);
-}
-
-void JitShader::Compile_MUL(Instruction instr) {
- Compile_SwizzleSrc(instr, 1, instr.common.src1, SRC1);
- Compile_SwizzleSrc(instr, 2, instr.common.src2, SRC2);
- Compile_SanitizedMul(SRC1, SRC2, SCRATCH);
- Compile_DestEnable(instr, SRC1);
-}
-
-void JitShader::Compile_SGE(Instruction instr) {
- if (instr.opcode.Value().EffectiveOpCode() == OpCode::Id::SGEI) {
- Compile_SwizzleSrc(instr, 1, instr.common.src1i, SRC1);
- Compile_SwizzleSrc(instr, 2, instr.common.src2i, SRC2);
- } else {
- Compile_SwizzleSrc(instr, 1, instr.common.src1, SRC1);
- Compile_SwizzleSrc(instr, 2, instr.common.src2, SRC2);
- }
-
- cmpleps(SRC2, SRC1);
- andps(SRC2, ONE);
-
- Compile_DestEnable(instr, SRC2);
-}
-
-void JitShader::Compile_SLT(Instruction instr) {
- if (instr.opcode.Value().EffectiveOpCode() == OpCode::Id::SLTI) {
- Compile_SwizzleSrc(instr, 1, instr.common.src1i, SRC1);
- Compile_SwizzleSrc(instr, 2, instr.common.src2i, SRC2);
- } else {
- Compile_SwizzleSrc(instr, 1, instr.common.src1, SRC1);
- Compile_SwizzleSrc(instr, 2, instr.common.src2, SRC2);
- }
-
- cmpltps(SRC1, SRC2);
- andps(SRC1, ONE);
-
- Compile_DestEnable(instr, SRC1);
-}
-
-void JitShader::Compile_FLR(Instruction instr) {
- Compile_SwizzleSrc(instr, 1, instr.common.src1, SRC1);
-
- if (Common::GetCPUCaps().sse4_1) {
- roundps(SRC1, SRC1, _MM_FROUND_FLOOR);
- } else {
- cvttps2dq(SRC1, SRC1);
- cvtdq2ps(SRC1, SRC1);
- }
-
- Compile_DestEnable(instr, SRC1);
-}
-
-void JitShader::Compile_MAX(Instruction instr) {
- Compile_SwizzleSrc(instr, 1, instr.common.src1, SRC1);
- Compile_SwizzleSrc(instr, 2, instr.common.src2, SRC2);
- // SSE semantics match PICA200 ones: In case of NaN, SRC2 is returned.
- maxps(SRC1, SRC2);
- Compile_DestEnable(instr, SRC1);
-}
-
-void JitShader::Compile_MIN(Instruction instr) {
- Compile_SwizzleSrc(instr, 1, instr.common.src1, SRC1);
- Compile_SwizzleSrc(instr, 2, instr.common.src2, SRC2);
- // SSE semantics match PICA200 ones: In case of NaN, SRC2 is returned.
- minps(SRC1, SRC2);
- Compile_DestEnable(instr, SRC1);
-}
-
-void JitShader::Compile_MOVA(Instruction instr) {
- SwizzlePattern swiz = {(*swizzle_data)[instr.common.operand_desc_id]};
-
- if (!swiz.DestComponentEnabled(0) && !swiz.DestComponentEnabled(1)) {
- return; // NoOp
- }
-
- Compile_SwizzleSrc(instr, 1, instr.common.src1, SRC1);
-
- // Convert floats to integers using truncation (only care about X and Y components)
- cvttps2dq(SRC1, SRC1);
-
- // Get result
- movq(rax, SRC1);
-
- // Handle destination enable
- if (swiz.DestComponentEnabled(0) && swiz.DestComponentEnabled(1)) {
- // Move and sign-extend low 32 bits
- movsxd(ADDROFFS_REG_0, eax);
-
- // Move and sign-extend high 32 bits
- shr(rax, 32);
- movsxd(ADDROFFS_REG_1, eax);
-
- // Multiply by 16 to be used as an offset later
- shl(ADDROFFS_REG_0, 4);
- shl(ADDROFFS_REG_1, 4);
- } else {
- if (swiz.DestComponentEnabled(0)) {
- // Move and sign-extend low 32 bits
- movsxd(ADDROFFS_REG_0, eax);
-
- // Multiply by 16 to be used as an offset later
- shl(ADDROFFS_REG_0, 4);
- } else if (swiz.DestComponentEnabled(1)) {
- // Move and sign-extend high 32 bits
- shr(rax, 32);
- movsxd(ADDROFFS_REG_1, eax);
-
- // Multiply by 16 to be used as an offset later
- shl(ADDROFFS_REG_1, 4);
- }
- }
-}
-
-void JitShader::Compile_MOV(Instruction instr) {
- Compile_SwizzleSrc(instr, 1, instr.common.src1, SRC1);
- Compile_DestEnable(instr, SRC1);
-}
-
-void JitShader::Compile_RCP(Instruction instr) {
- Compile_SwizzleSrc(instr, 1, instr.common.src1, SRC1);
-
- // TODO(bunnei): RCPSS is a pretty rough approximation, this might cause problems if Pica
- // performs this operation more accurately. This should be checked on hardware.
- rcpss(SRC1, SRC1);
- shufps(SRC1, SRC1, _MM_SHUFFLE(0, 0, 0, 0)); // XYWZ -> XXXX
-
- Compile_DestEnable(instr, SRC1);
-}
-
-void JitShader::Compile_RSQ(Instruction instr) {
- Compile_SwizzleSrc(instr, 1, instr.common.src1, SRC1);
-
- // TODO(bunnei): RSQRTSS is a pretty rough approximation, this might cause problems if Pica
- // performs this operation more accurately. This should be checked on hardware.
- rsqrtss(SRC1, SRC1);
- shufps(SRC1, SRC1, _MM_SHUFFLE(0, 0, 0, 0)); // XYWZ -> XXXX
-
- Compile_DestEnable(instr, SRC1);
-}
-
-void JitShader::Compile_NOP(Instruction instr) {}
-
-void JitShader::Compile_END(Instruction instr) {
- ABI_PopRegistersAndAdjustStack(*this, ABI_ALL_CALLEE_SAVED, 8, 16);
- ret();
-}
-
-void JitShader::Compile_CALL(Instruction instr) {
- // Push offset of the return
- push(qword, (instr.flow_control.dest_offset + instr.flow_control.num_instructions));
-
- // Call the subroutine
- call(instruction_labels[instr.flow_control.dest_offset]);
-
- // Skip over the return offset that's on the stack
- add(rsp, 8);
-}
-
-void JitShader::Compile_CALLC(Instruction instr) {
- Compile_EvaluateCondition(instr);
- Label b;
- jz(b);
- Compile_CALL(instr);
- L(b);
-}
-
-void JitShader::Compile_CALLU(Instruction instr) {
- Compile_UniformCondition(instr);
- Label b;
- jz(b);
- Compile_CALL(instr);
- L(b);
-}
-
-void JitShader::Compile_CMP(Instruction instr) {
- using Op = Instruction::Common::CompareOpType::Op;
- Op op_x = instr.common.compare_op.x;
- Op op_y = instr.common.compare_op.y;
-
- Compile_SwizzleSrc(instr, 1, instr.common.src1, SRC1);
- Compile_SwizzleSrc(instr, 2, instr.common.src2, SRC2);
-
- // SSE doesn't have greater-than (GT) or greater-equal (GE) comparison operators. You need to
- // emulate them by swapping the lhs and rhs and using LT and LE. NLT and NLE can't be used here
- // because they don't match when used with NaNs.
- static const u8 cmp[] = {CMP_EQ, CMP_NEQ, CMP_LT, CMP_LE, CMP_LT, CMP_LE};
-
- bool invert_op_x = (op_x == Op::GreaterThan || op_x == Op::GreaterEqual);
- Xmm lhs_x = invert_op_x ? SRC2 : SRC1;
- Xmm rhs_x = invert_op_x ? SRC1 : SRC2;
-
- if (op_x == op_y) {
- // Compare X-component and Y-component together
- cmpps(lhs_x, rhs_x, cmp[op_x]);
- movq(COND0, lhs_x);
-
- mov(COND1, COND0);
- } else {
- bool invert_op_y = (op_y == Op::GreaterThan || op_y == Op::GreaterEqual);
- Xmm lhs_y = invert_op_y ? SRC2 : SRC1;
- Xmm rhs_y = invert_op_y ? SRC1 : SRC2;
-
- // Compare X-component
- movaps(SCRATCH, lhs_x);
- cmpss(SCRATCH, rhs_x, cmp[op_x]);
-
- // Compare Y-component
- cmpps(lhs_y, rhs_y, cmp[op_y]);
-
- movq(COND0, SCRATCH);
- movq(COND1, lhs_y);
- }
-
- shr(COND0.cvt32(), 31); // ignores upper 32 bits in source
- shr(COND1, 63);
-}
-
-void JitShader::Compile_MAD(Instruction instr) {
- Compile_SwizzleSrc(instr, 1, instr.mad.src1, SRC1);
-
- if (instr.opcode.Value().EffectiveOpCode() == OpCode::Id::MADI) {
- Compile_SwizzleSrc(instr, 2, instr.mad.src2i, SRC2);
- Compile_SwizzleSrc(instr, 3, instr.mad.src3i, SRC3);
- } else {
- Compile_SwizzleSrc(instr, 2, instr.mad.src2, SRC2);
- Compile_SwizzleSrc(instr, 3, instr.mad.src3, SRC3);
- }
-
- Compile_SanitizedMul(SRC1, SRC2, SCRATCH);
- addps(SRC1, SRC3);
-
- Compile_DestEnable(instr, SRC1);
-}
-
-void JitShader::Compile_IF(Instruction instr) {
- Compile_Assert(instr.flow_control.dest_offset >= program_counter,
- "Backwards if-statements not supported");
- Label l_else, l_endif;
-
- // Evaluate the "IF" condition
- if (instr.opcode.Value() == OpCode::Id::IFU) {
- Compile_UniformCondition(instr);
- } else if (instr.opcode.Value() == OpCode::Id::IFC) {
- Compile_EvaluateCondition(instr);
- }
- jz(l_else, T_NEAR);
-
- // Compile the code that corresponds to the condition evaluating as true
- Compile_Block(instr.flow_control.dest_offset);
-
- // If there isn't an "ELSE" condition, we are done here
- if (instr.flow_control.num_instructions == 0) {
- L(l_else);
- return;
- }
-
- jmp(l_endif, T_NEAR);
-
- L(l_else);
- // This code corresponds to the "ELSE" condition
- // Comple the code that corresponds to the condition evaluating as false
- Compile_Block(instr.flow_control.dest_offset + instr.flow_control.num_instructions);
-
- L(l_endif);
-}
-
-void JitShader::Compile_LOOP(Instruction instr) {
- Compile_Assert(instr.flow_control.dest_offset >= program_counter,
- "Backwards loops not supported");
- Compile_Assert(!looping, "Nested loops not supported");
-
- looping = true;
-
- // This decodes the fields from the integer uniform at index instr.flow_control.int_uniform_id.
- // The Y (LOOPCOUNT_REG) and Z (LOOPINC) component are kept multiplied by 16 (Left shifted by
- // 4 bits) to be used as an offset into the 16-byte vector registers later
- size_t offset = ShaderSetup::GetIntUniformOffset(instr.flow_control.int_uniform_id);
- mov(LOOPCOUNT, dword[SETUP + offset]);
- mov(LOOPCOUNT_REG, LOOPCOUNT);
- shr(LOOPCOUNT_REG, 4);
- and_(LOOPCOUNT_REG, 0xFF0); // Y-component is the start
- mov(LOOPINC, LOOPCOUNT);
- shr(LOOPINC, 12);
- and_(LOOPINC, 0xFF0); // Z-component is the incrementer
- movzx(LOOPCOUNT, LOOPCOUNT.cvt8()); // X-component is iteration count
- add(LOOPCOUNT, 1); // Iteration count is X-component + 1
-
- Label l_loop_start;
- L(l_loop_start);
-
- Compile_Block(instr.flow_control.dest_offset + 1);
-
- add(LOOPCOUNT_REG, LOOPINC); // Increment LOOPCOUNT_REG by Z-component
- sub(LOOPCOUNT, 1); // Increment loop count by 1
- jnz(l_loop_start); // Loop if not equal
-
- looping = false;
-}
-
-void JitShader::Compile_JMP(Instruction instr) {
- if (instr.opcode.Value() == OpCode::Id::JMPC)
- Compile_EvaluateCondition(instr);
- else if (instr.opcode.Value() == OpCode::Id::JMPU)
- Compile_UniformCondition(instr);
- else
- UNREACHABLE();
-
- bool inverted_condition =
- (instr.opcode.Value() == OpCode::Id::JMPU) && (instr.flow_control.num_instructions & 1);
-
- Label& b = instruction_labels[instr.flow_control.dest_offset];
- if (inverted_condition) {
- jz(b, T_NEAR);
- } else {
- jnz(b, T_NEAR);
- }
-}
-
-static void Emit(GSEmitter* emitter, Math::Vec4<float24> (*output)[16]) {
- emitter->Emit(*output);
-}
-
-void JitShader::Compile_EMIT(Instruction instr) {
- Label have_emitter, end;
- mov(rax, qword[STATE + offsetof(UnitState, emitter_ptr)]);
- test(rax, rax);
- jnz(have_emitter);
-
- ABI_PushRegistersAndAdjustStack(*this, PersistentCallerSavedRegs(), 0);
- mov(ABI_PARAM1, reinterpret_cast<size_t>("Execute EMIT on VS"));
- CallFarFunction(*this, LogCritical);
- ABI_PopRegistersAndAdjustStack(*this, PersistentCallerSavedRegs(), 0);
- jmp(end);
-
- L(have_emitter);
- ABI_PushRegistersAndAdjustStack(*this, PersistentCallerSavedRegs(), 0);
- mov(ABI_PARAM1, rax);
- mov(ABI_PARAM2, STATE);
- add(ABI_PARAM2, static_cast<Xbyak::uint32>(offsetof(UnitState, registers.output)));
- CallFarFunction(*this, Emit);
- ABI_PopRegistersAndAdjustStack(*this, PersistentCallerSavedRegs(), 0);
- L(end);
-}
-
-void JitShader::Compile_SETE(Instruction instr) {
- Label have_emitter, end;
- mov(rax, qword[STATE + offsetof(UnitState, emitter_ptr)]);
- test(rax, rax);
- jnz(have_emitter);
-
- ABI_PushRegistersAndAdjustStack(*this, PersistentCallerSavedRegs(), 0);
- mov(ABI_PARAM1, reinterpret_cast<size_t>("Execute SETEMIT on VS"));
- CallFarFunction(*this, LogCritical);
- ABI_PopRegistersAndAdjustStack(*this, PersistentCallerSavedRegs(), 0);
- jmp(end);
-
- L(have_emitter);
- mov(byte[rax + offsetof(GSEmitter, vertex_id)], instr.setemit.vertex_id);
- mov(byte[rax + offsetof(GSEmitter, prim_emit)], instr.setemit.prim_emit);
- mov(byte[rax + offsetof(GSEmitter, winding)], instr.setemit.winding);
- L(end);
-}
-
-void JitShader::Compile_Block(unsigned end) {
- while (program_counter < end) {
- Compile_NextInstr();
- }
-}
-
-void JitShader::Compile_Return() {
- // Peek return offset on the stack and check if we're at that offset
- mov(rax, qword[rsp + 8]);
- cmp(eax, (program_counter));
-
- // If so, jump back to before CALL
- Label b;
- jnz(b);
- ret();
- L(b);
-}
-
-void JitShader::Compile_NextInstr() {
- if (std::binary_search(return_offsets.begin(), return_offsets.end(), program_counter)) {
- Compile_Return();
- }
-
- L(instruction_labels[program_counter]);
-
- Instruction instr = {(*program_code)[program_counter++]};
-
- OpCode::Id opcode = instr.opcode.Value();
- auto instr_func = instr_table[static_cast<unsigned>(opcode)];
-
- if (instr_func) {
- // JIT the instruction!
- ((*this).*instr_func)(instr);
- } else {
- // Unhandled instruction
- LOG_CRITICAL(HW_GPU, "Unhandled instruction: 0x%02x (0x%08x)",
- instr.opcode.Value().EffectiveOpCode(), instr.hex);
- }
-}
-
-void JitShader::FindReturnOffsets() {
- return_offsets.clear();
-
- for (size_t offset = 0; offset < program_code->size(); ++offset) {
- Instruction instr = {(*program_code)[offset]};
-
- switch (instr.opcode.Value()) {
- case OpCode::Id::CALL:
- case OpCode::Id::CALLC:
- case OpCode::Id::CALLU:
- return_offsets.push_back(instr.flow_control.dest_offset +
- instr.flow_control.num_instructions);
- break;
- default:
- break;
- }
- }
-
- // Sort for efficient binary search later
- std::sort(return_offsets.begin(), return_offsets.end());
-}
-
-void JitShader::Compile(const std::array<u32, MAX_PROGRAM_CODE_LENGTH>* program_code_,
- const std::array<u32, MAX_SWIZZLE_DATA_LENGTH>* swizzle_data_) {
- program_code = program_code_;
- swizzle_data = swizzle_data_;
-
- // Reset flow control state
- program = (CompiledShader*)getCurr();
- program_counter = 0;
- looping = false;
- instruction_labels.fill(Xbyak::Label());
-
- // Find all `CALL` instructions and identify return locations
- FindReturnOffsets();
-
- // The stack pointer is 8 modulo 16 at the entry of a procedure
- // We reserve 16 bytes and assign a dummy value to the first 8 bytes, to catch any potential
- // return checks (see Compile_Return) that happen in shader main routine.
- ABI_PushRegistersAndAdjustStack(*this, ABI_ALL_CALLEE_SAVED, 8, 16);
- mov(qword[rsp + 8], 0xFFFFFFFFFFFFFFFFULL);
-
- mov(SETUP, ABI_PARAM1);
- mov(STATE, ABI_PARAM2);
-
- // Zero address/loop registers
- xor_(ADDROFFS_REG_0.cvt32(), ADDROFFS_REG_0.cvt32());
- xor_(ADDROFFS_REG_1.cvt32(), ADDROFFS_REG_1.cvt32());
- xor_(LOOPCOUNT_REG, LOOPCOUNT_REG);
-
- // Used to set a register to one
- static const __m128 one = {1.f, 1.f, 1.f, 1.f};
- mov(rax, reinterpret_cast<size_t>(&one));
- movaps(ONE, xword[rax]);
-
- // Used to negate registers
- static const __m128 neg = {-0.f, -0.f, -0.f, -0.f};
- mov(rax, reinterpret_cast<size_t>(&neg));
- movaps(NEGBIT, xword[rax]);
-
- // Jump to start of the shader program
- jmp(ABI_PARAM3);
-
- // Compile entire program
- Compile_Block(static_cast<unsigned>(program_code->size()));
-
- // Free memory that's no longer needed
- program_code = nullptr;
- swizzle_data = nullptr;
- return_offsets.clear();
- return_offsets.shrink_to_fit();
-
- ready();
-
- ASSERT_MSG(getSize() <= MAX_SHADER_SIZE, "Compiled a shader that exceeds the allocated size!");
- LOG_DEBUG(HW_GPU, "Compiled shader size=%lu", getSize());
-}
-
-JitShader::JitShader() : Xbyak::CodeGenerator(MAX_SHADER_SIZE) {}
-
-} // namespace Shader
-
-} // namespace Pica
diff --git a/src/video_core/shader/shader_jit_x64_compiler.h b/src/video_core/shader/shader_jit_x64_compiler.h
deleted file mode 100644
index 4aee56b1d..000000000
--- a/src/video_core/shader/shader_jit_x64_compiler.h
+++ /dev/null
@@ -1,127 +0,0 @@
-// Copyright 2015 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <array>
-#include <cstddef>
-#include <utility>
-#include <vector>
-#include <nihstro/shader_bytecode.h>
-#include <xbyak.h>
-#include "common/bit_set.h"
-#include "common/common_types.h"
-#include "video_core/shader/shader.h"
-
-using nihstro::Instruction;
-using nihstro::OpCode;
-using nihstro::SwizzlePattern;
-
-namespace Pica {
-
-namespace Shader {
-
-/// Memory allocated for each compiled shader
-constexpr size_t MAX_SHADER_SIZE = MAX_PROGRAM_CODE_LENGTH * 64;
-
-/**
- * This class implements the shader JIT compiler. It recompiles a Pica shader program into x86_64
- * code that can be executed on the host machine directly.
- */
-class JitShader : public Xbyak::CodeGenerator {
-public:
- JitShader();
-
- void Run(const ShaderSetup& setup, UnitState& state, unsigned offset) const {
- program(&setup, &state, instruction_labels[offset].getAddress());
- }
-
- void Compile(const std::array<u32, MAX_PROGRAM_CODE_LENGTH>* program_code,
- const std::array<u32, MAX_SWIZZLE_DATA_LENGTH>* swizzle_data);
-
- void Compile_ADD(Instruction instr);
- void Compile_DP3(Instruction instr);
- void Compile_DP4(Instruction instr);
- void Compile_DPH(Instruction instr);
- void Compile_EX2(Instruction instr);
- void Compile_LG2(Instruction instr);
- void Compile_MUL(Instruction instr);
- void Compile_SGE(Instruction instr);
- void Compile_SLT(Instruction instr);
- void Compile_FLR(Instruction instr);
- void Compile_MAX(Instruction instr);
- void Compile_MIN(Instruction instr);
- void Compile_RCP(Instruction instr);
- void Compile_RSQ(Instruction instr);
- void Compile_MOVA(Instruction instr);
- void Compile_MOV(Instruction instr);
- void Compile_NOP(Instruction instr);
- void Compile_END(Instruction instr);
- void Compile_CALL(Instruction instr);
- void Compile_CALLC(Instruction instr);
- void Compile_CALLU(Instruction instr);
- void Compile_IF(Instruction instr);
- void Compile_LOOP(Instruction instr);
- void Compile_JMP(Instruction instr);
- void Compile_CMP(Instruction instr);
- void Compile_MAD(Instruction instr);
- void Compile_EMIT(Instruction instr);
- void Compile_SETE(Instruction instr);
-
-private:
- void Compile_Block(unsigned end);
- void Compile_NextInstr();
-
- void Compile_SwizzleSrc(Instruction instr, unsigned src_num, SourceRegister src_reg,
- Xbyak::Xmm dest);
- void Compile_DestEnable(Instruction instr, Xbyak::Xmm dest);
-
- /**
- * Compiles a `MUL src1, src2` operation, properly handling the PICA semantics when multiplying
- * zero by inf. Clobbers `src2` and `scratch`.
- */
- void Compile_SanitizedMul(Xbyak::Xmm src1, Xbyak::Xmm src2, Xbyak::Xmm scratch);
-
- void Compile_EvaluateCondition(Instruction instr);
- void Compile_UniformCondition(Instruction instr);
-
- /**
- * Emits the code to conditionally return from a subroutine envoked by the `CALL` instruction.
- */
- void Compile_Return();
-
- BitSet32 PersistentCallerSavedRegs();
-
- /**
- * Assertion evaluated at compile-time, but only triggered if executed at runtime.
- * @param condition Condition to be evaluated.
- * @param msg Message to be logged if the assertion fails.
- */
- void Compile_Assert(bool condition, const char* msg);
-
- /**
- * Analyzes the entire shader program for `CALL` instructions before emitting any code,
- * identifying the locations where a return needs to be inserted.
- */
- void FindReturnOffsets();
-
- const std::array<u32, MAX_PROGRAM_CODE_LENGTH>* program_code = nullptr;
- const std::array<u32, MAX_SWIZZLE_DATA_LENGTH>* swizzle_data = nullptr;
-
- /// Mapping of Pica VS instructions to pointers in the emitted code
- std::array<Xbyak::Label, MAX_PROGRAM_CODE_LENGTH> instruction_labels;
-
- /// Offsets in code where a return needs to be inserted
- std::vector<unsigned> return_offsets;
-
- unsigned program_counter = 0; ///< Offset of the next instruction to decode
- bool looping = false; ///< True if compiling a loop, used to check for nested loops
-
- using CompiledShader = void(const void* setup, void* state, const u8* start_addr);
- CompiledShader* program = nullptr;
-};
-
-} // Shader
-
-} // Pica