diff --git a/externals/nihstro b/externals/nihstro
index 676254f71..445cba0b2 160000
--- a/externals/nihstro
+++ b/externals/nihstro
@@ -1 +1 @@
-Subproject commit 676254f71e0a7ef0aca8acce078d3c3dc80ccf70
+Subproject commit 445cba0b2ff8d348368e32698e4760a670260bfc
diff --git a/src/citra/citra.cpp b/src/citra/citra.cpp
index 182646f4c..d6fcb66a5 100644
--- a/src/citra/citra.cpp
+++ b/src/citra/citra.cpp
@@ -71,6 +71,7 @@ int main(int argc, char **argv) {
EmuWindow_GLFW* emu_window = new EmuWindow_GLFW;
VideoCore::g_hw_renderer_enabled = Settings::values.use_hw_renderer;
+ VideoCore::g_shader_jit_enabled = Settings::values.use_shader_jit;
System::Init(emu_window);
diff --git a/src/citra/config.cpp b/src/citra/config.cpp
index 2c1407a6f..8a98bda87 100644
--- a/src/citra/config.cpp
+++ b/src/citra/config.cpp
@@ -61,6 +61,7 @@ void Config::ReadValues() {
// Renderer
Settings::values.use_hw_renderer = glfw_config->GetBoolean("Renderer", "use_hw_renderer", false);
+ Settings::values.use_shader_jit = glfw_config->GetBoolean("Renderer", "use_shader_jit", true);
Settings::values.bg_red = (float)glfw_config->GetReal("Renderer", "bg_red", 1.0);
Settings::values.bg_green = (float)glfw_config->GetReal("Renderer", "bg_green", 1.0);
diff --git a/src/citra/default_ini.h b/src/citra/default_ini.h
index 1925bece8..7e5d49729 100644
--- a/src/citra/default_ini.h
+++ b/src/citra/default_ini.h
@@ -42,6 +42,10 @@ frame_skip =
# 0 (default): Software, 1: Hardware
use_hw_renderer =
+# Whether to use the Just-In-Time (JIT) compiler for shader emulation
+# 0 : Interpreter (slow), 1 (default): JIT (fast)
+use_shader_jit =
+
# The clear color for the renderer. What shows up on the sides of the bottom screen.
# Must be in range of 0.0-1.0. Defaults to 1.0 for all.
bg_red =
diff --git a/src/citra_qt/config.cpp b/src/citra_qt/config.cpp
index 5716634ee..a20351fb8 100644
--- a/src/citra_qt/config.cpp
+++ b/src/citra_qt/config.cpp
@@ -44,6 +44,7 @@ void Config::ReadValues() {
qt_config->beginGroup("Renderer");
Settings::values.use_hw_renderer = qt_config->value("use_hw_renderer", false).toBool();
+ Settings::values.use_shader_jit = qt_config->value("use_shader_jit", true).toBool();
Settings::values.bg_red = qt_config->value("bg_red", 1.0).toFloat();
Settings::values.bg_green = qt_config->value("bg_green", 1.0).toFloat();
@@ -77,6 +78,7 @@ void Config::SaveValues() {
qt_config->beginGroup("Renderer");
qt_config->setValue("use_hw_renderer", Settings::values.use_hw_renderer);
+ qt_config->setValue("use_shader_jit", Settings::values.use_shader_jit);
// Cast to double because Qt's written float values are not human-readable
qt_config->setValue("bg_red", (double)Settings::values.bg_red);
diff --git a/src/citra_qt/main.cpp b/src/citra_qt/main.cpp
index 6b030c178..4c3edf87a 100644
--- a/src/citra_qt/main.cpp
+++ b/src/citra_qt/main.cpp
@@ -131,6 +131,9 @@ GMainWindow::GMainWindow() : emu_thread(nullptr)
ui.action_Use_Hardware_Renderer->setChecked(Settings::values.use_hw_renderer);
SetHardwareRendererEnabled(ui.action_Use_Hardware_Renderer->isChecked());
+ ui.action_Use_Shader_JIT->setChecked(Settings::values.use_shader_jit);
+ SetShaderJITEnabled(ui.action_Use_Shader_JIT->isChecked());
+
ui.action_Single_Window_Mode->setChecked(settings.value("singleWindowMode", true).toBool());
ToggleWindowMode();
@@ -144,6 +147,7 @@ GMainWindow::GMainWindow() : emu_thread(nullptr)
connect(ui.action_Pause, SIGNAL(triggered()), this, SLOT(OnPauseGame()));
connect(ui.action_Stop, SIGNAL(triggered()), this, SLOT(OnStopGame()));
connect(ui.action_Use_Hardware_Renderer, SIGNAL(triggered(bool)), this, SLOT(SetHardwareRendererEnabled(bool)));
+ connect(ui.action_Use_Shader_JIT, SIGNAL(triggered(bool)), this, SLOT(SetShaderJITEnabled(bool)));
connect(ui.action_Single_Window_Mode, SIGNAL(triggered(bool)), this, SLOT(ToggleWindowMode()));
connect(ui.action_Hotkeys, SIGNAL(triggered()), this, SLOT(OnOpenHotkeysDialog()));
@@ -331,6 +335,10 @@ void GMainWindow::SetHardwareRendererEnabled(bool enabled) {
VideoCore::g_hw_renderer_enabled = enabled;
}
+void GMainWindow::SetShaderJITEnabled(bool enabled) {
+ VideoCore::g_shader_jit_enabled = enabled;
+}
+
void GMainWindow::ToggleWindowMode() {
if (ui.action_Single_Window_Mode->isChecked()) {
// Render in the main window...
diff --git a/src/citra_qt/main.h b/src/citra_qt/main.h
index 9fe9e0c9c..61114a04d 100644
--- a/src/citra_qt/main.h
+++ b/src/citra_qt/main.h
@@ -70,6 +70,7 @@ private slots:
void OnConfigure();
void OnDisplayTitleBars(bool);
void SetHardwareRendererEnabled(bool);
+ void SetShaderJITEnabled(bool);
void ToggleWindowMode();
private:
diff --git a/src/citra_qt/main.ui b/src/citra_qt/main.ui
index 9a809ee6c..b2ce8167d 100644
--- a/src/citra_qt/main.ui
+++ b/src/citra_qt/main.ui
@@ -66,6 +66,7 @@
<addaction name="action_Stop"/>
<addaction name="separator"/>
<addaction name="action_Use_Hardware_Renderer"/>
+ <addaction name="action_Use_Shader_JIT"/>
<addaction name="action_Configure"/>
</widget>
<widget class="QMenu" name="menu_View">
@@ -153,6 +154,14 @@
<string>Use Hardware Renderer</string>
</property>
</action>
+ <action name="action_Use_Shader_JIT">
+ <property name="checkable">
+ <bool>true</bool>
+ </property>
+ <property name="text">
+ <string>Use Shader JIT</string>
+ </property>
+ </action>
<action name="action_Configure">
<property name="text">
<string>Configure ...</string>
diff --git a/src/core/settings.h b/src/core/settings.h
index 2775ee257..6ca0e1afc 100644
--- a/src/core/settings.h
+++ b/src/core/settings.h
@@ -53,6 +53,7 @@ struct Values {
// Renderer
bool use_hw_renderer;
+ bool use_shader_jit;
float bg_red;
float bg_green;
diff --git a/src/video_core/CMakeLists.txt b/src/video_core/CMakeLists.txt
index 2b859a077..544ed0297 100644
--- a/src/video_core/CMakeLists.txt
+++ b/src/video_core/CMakeLists.txt
@@ -13,6 +13,7 @@ set(SRCS
rasterizer.cpp
shader/shader.cpp
shader/shader_interpreter.cpp
+ shader/shader_jit.cpp
utils.cpp
video_core.cpp
)
@@ -38,10 +39,19 @@ set(HEADERS
renderer_base.h
shader/shader.h
shader/shader_interpreter.h
+ shader/shader_jit.h
utils.h
video_core.h
)
+if(_M_X86_64)
+ set(SRCS ${SRCS}
+ shader/shader_jit_x64.cpp)
+else()
+ set(SRCS ${SRCS}
+ shader/shader_jit_fake.cpp)
+endif()
+
create_directory_groups(${SRCS} ${HEADERS})
add_library(video_core STATIC ${SRCS} ${HEADERS})
diff --git a/src/video_core/pica.cpp b/src/video_core/pica.cpp
index 17cb66780..c73a8178e 100644
--- a/src/video_core/pica.cpp
+++ b/src/video_core/pica.cpp
@@ -6,6 +6,7 @@
#include <unordered_map>
#include "pica.h"
+#include "shader/shader.h"
namespace Pica {
@@ -84,6 +85,8 @@ void Init() {
}
void Shutdown() {
+ Shader::Shutdown();
+
memset(&g_state, 0, sizeof(State));
}
diff --git a/src/video_core/shader/shader.cpp b/src/video_core/shader/shader.cpp
index 13e22cb53..fa1f7cafe 100644
--- a/src/video_core/shader/shader.cpp
+++ b/src/video_core/shader/shader.cpp
@@ -2,21 +2,52 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
-#include "common/logging/log.h"
+#include <memory>
+#include <unordered_map>
+
+#include "common/hash.h"
+#include "common/make_unique.h"
#include "common/profiler.h"
#include "video_core/debug_utils/debug_utils.h"
#include "video_core/pica.h"
+#include "video_core/video_core.h"
#include "shader.h"
#include "shader_interpreter.h"
+#include "shader_jit.h"
namespace Pica {
namespace Shader {
+#ifdef ARCHITECTURE_x86_64
+
+static std::unordered_map<u64, CompiledShader*> shader_map;
+static JitCompiler jit;
+static CompiledShader* jit_shader;
+
+#endif // ARCHITECTURE_x86_64
+
void Setup(UnitState& state) {
- // TODO(bunnei): This will be used by the JIT in a subsequent patch
+#ifdef ARCHITECTURE_x86_64
+ if (VideoCore::g_shader_jit_enabled) {
+ u64 cache_key = (Common::ComputeHash64(&g_state.vs.program_code, sizeof(g_state.vs.program_code)) ^
+ Common::ComputeHash64(&g_state.vs.swizzle_data, sizeof(g_state.vs.swizzle_data)) ^
+ g_state.regs.vs.main_offset);
+
+ auto iter = shader_map.find(cache_key);
+ if (iter != shader_map.end()) {
+ jit_shader = iter->second;
+ } else {
+ jit_shader = jit.Compile();
+ shader_map.emplace(cache_key, jit_shader);
+ }
+ }
+}
+
+void Shutdown() {
+ shader_map.clear();
}
static Common::Profiling::TimingCategory shader_category("Vertex Shader");
@@ -54,7 +85,14 @@ OutputVertex Run(UnitState& state, const InputVertex& input, int num_attributes)
state.conditional_code[0] = false;
state.conditional_code[1] = false;
+#ifdef ARCHITECTURE_x86_64
+ if (VideoCore::g_shader_jit_enabled)
+ jit_shader(&state);
+ else
+ RunInterpreter(state);
+#else
RunInterpreter(state);
+#endif
#if PICA_DUMP_SHADERS
DebugUtils::DumpShader(setup.program_code.data(), state.debug.max_offset, setup.swizzle_data.data(),
diff --git a/src/video_core/shader/shader.h b/src/video_core/shader/shader.h
index 38c00768d..5825e9983 100644
--- a/src/video_core/shader/shader.h
+++ b/src/video_core/shader/shader.h
@@ -149,6 +149,9 @@ struct UnitState {
*/
void Setup(UnitState& state);
+/// Performs any cleanup when the emulator is shutdown
+void Shutdown();
+
/**
* Runs the currently setup shader
* @param state Shader unit state, must be setup per shader and per shader unit
diff --git a/src/video_core/shader/shader_jit.cpp b/src/video_core/shader/shader_jit.cpp
new file mode 100644
index 000000000..69fb7f6be
--- /dev/null
+++ b/src/video_core/shader/shader_jit.cpp
@@ -0,0 +1,36 @@
+// Copyright 2015 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "video_core/pica.h"
+
+#include "shader.h"
+#include "shader_jit.h"
+
+namespace Pica {
+
+namespace Shader {
+
+JitShader::JitShader() : jitted(nullptr) {
+}
+
+void JitShader::DoJit(JitCompiler& jit) {
+ jitted = jit.Compile();
+}
+
+void JitShader::Run(UnitState& state) {
+ if (jitted)
+ jitted(&state);
+}
+
+JitCompiler::JitCompiler() {
+ AllocCodeSpace(1024 * 1024 * 4);
+}
+
+void JitCompiler::Clear() {
+ ClearCodeSpace();
+}
+
+} // namespace Shader
+
+} // namespace Pica
diff --git a/src/video_core/shader/shader_jit.h b/src/video_core/shader/shader_jit.h
new file mode 100644
index 000000000..f05b64a92
--- /dev/null
+++ b/src/video_core/shader/shader_jit.h
@@ -0,0 +1,85 @@
+// Copyright 2015 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <nihstro/shader_bytecode.h>
+
+#if defined(_M_X86_64)
+#include "common/x64_emitter.h"
+#else
+#include "common/fake_emitter.h"
+#endif
+
+#include "video_core/pica.h"
+
+#include "shader.h"
+
+using nihstro::Instruction;
+using nihstro::OpCode;
+using nihstro::SwizzlePattern;
+
+namespace Pica {
+
+namespace Shader {
+
+using CompiledShader = void(void* state);
+
+/**
+ * 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 JitCompiler : public Gen::XCodeBlock {
+public:
+ JitCompiler();
+
+ CompiledShader* Compile();
+
+ void Clear();
+
+ void Compile_ADD(Instruction instr);
+ void Compile_DP3(Instruction instr);
+ void Compile_DP4(Instruction instr);
+ void Compile_MUL(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_SLTI(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);
+
+private:
+ void Compile_Block(unsigned stop);
+ void Compile_NextInstr(unsigned* offset);
+
+#if defined(_M_X86_64)
+ void Compile_SwizzleSrc(Instruction instr, unsigned src_num, SourceRegister src_reg, Gen::X64Reg dest);
+ void Compile_DestEnable(Instruction instr, Gen::X64Reg dest);
+
+ void Compile_EvaluateCondition(Instruction instr);
+ void Compile_UniformCondition(Instruction instr);
+#endif
+
+ /// Pointer to the variable that stores the current Pica code offset. Used to handle nested code blocks.
+ unsigned* offset_ptr = nullptr;
+
+ bool done = false;
+ bool looping = false;
+};
+
+} // Shader
+
+} // Pica
diff --git a/src/video_core/shader/shader_jit_fake.cpp b/src/video_core/shader/shader_jit_fake.cpp
new file mode 100644
index 000000000..e1e79b733
--- /dev/null
+++ b/src/video_core/shader/shader_jit_fake.cpp
@@ -0,0 +1,91 @@
+// Copyright 2015 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/fake_emitter.h"
+
+#include "video_core/shader/shader.h"
+#include "video_core/shader/shader_jit.h"
+
+namespace Pica {
+
+namespace Shader {
+
+using namespace FakeGen;
+
+void Jit::Comp_ADD(Instruction instr) {
+}
+
+void Jit::Comp_DP3(Instruction instr) {
+}
+
+void Jit::Comp_DP4(Instruction instr) {
+}
+
+void Jit::Comp_MUL(Instruction instr) {
+}
+
+void Jit::Comp_FLR(Instruction instr) {
+}
+
+void Jit::Comp_MAX(Instruction instr) {
+}
+
+void Jit::Comp_MIN(Instruction instr) {
+}
+
+void Jit::Comp_MOVA(Instruction instr) {
+}
+
+void Jit::Comp_MOV(Instruction instr) {
+}
+
+void Jit::Comp_SLTI(Instruction instr) {
+}
+
+void Jit::Comp_RCP(Instruction instr) {
+}
+
+void Jit::Comp_RSQ(Instruction instr) {
+}
+
+void Jit::Comp_NOP(Instruction instr) {
+}
+
+void Jit::Comp_END(Instruction instr) {
+}
+
+void Jit::Comp_CALL(Instruction instr) {
+}
+
+void Jit::Comp_CALLC(Instruction instr) {
+}
+
+void Jit::Comp_CALLU(Instruction instr) {
+}
+
+void Jit::Comp_CMP(Instruction instr) {
+}
+
+void Jit::Comp_MAD(Instruction instr) {
+}
+
+void Jit::Comp_IF(Instruction instr) {
+}
+
+void Jit::Comp_LOOP(Instruction instr) {
+}
+
+void Jit::Comp_JMP(Instruction instr) {
+}
+
+void Jit::Comp_NextInstr(unsigned* offset) {
+}
+
+CompiledShader Jit::Compile() {
+ return nullptr;
+}
+
+} // namespace Shader
+
+} // namespace Pica
diff --git a/src/video_core/shader/shader_jit_x64.cpp b/src/video_core/shader/shader_jit_x64.cpp
new file mode 100644
index 000000000..00c57afec
--- /dev/null
+++ b/src/video_core/shader/shader_jit_x64.cpp
@@ -0,0 +1,669 @@
+// Copyright 2015 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <smmintrin.h>
+
+#include "common/abi.h"
+#include "common/cpu_detect.h"
+#include "common/x64_emitter.h"
+
+#include "shader.h"
+#include "shader_jit.h"
+
+namespace Pica {
+
+namespace Shader {
+
+using namespace Gen;
+
+typedef void (JitCompiler::*JitFunction)(Instruction instr);
+
+const JitFunction instr_table[64] = {
+ &JitCompiler::Compile_ADD, // add
+ &JitCompiler::Compile_DP3, // dp3
+ &JitCompiler::Compile_DP4, // dp4
+ nullptr, // dph
+ nullptr, // unknown
+ nullptr, // ex2
+ nullptr, // lg2
+ nullptr, // unknown
+ &JitCompiler::Compile_MUL, // mul
+ nullptr, // lge
+ nullptr, // slt
+ &JitCompiler::Compile_FLR, // flr
+ &JitCompiler::Compile_MAX, // max
+ &JitCompiler::Compile_MIN, // min
+ &JitCompiler::Compile_RCP, // rcp
+ &JitCompiler::Compile_RSQ, // rsq
+ nullptr, // unknown
+ nullptr, // unknown
+ &JitCompiler::Compile_MOVA, // mova
+ &JitCompiler::Compile_MOV, // mov
+ nullptr, // unknown
+ nullptr, // unknown
+ nullptr, // unknown
+ nullptr, // unknown
+ nullptr, // dphi
+ nullptr, // unknown
+ nullptr, // sgei
+ &JitCompiler::Compile_SLTI, // slti
+ nullptr, // unknown
+ nullptr, // unknown
+ nullptr, // unknown
+ nullptr, // unknown
+ nullptr, // unknown
+ &JitCompiler::Compile_NOP, // nop
+ &JitCompiler::Compile_END, // end
+ nullptr, // break
+ &JitCompiler::Compile_CALL, // call
+ &JitCompiler::Compile_CALLC, // callc
+ &JitCompiler::Compile_CALLU, // callu
+ &JitCompiler::Compile_IF, // ifu
+ &JitCompiler::Compile_IF, // ifc
+ &JitCompiler::Compile_LOOP, // loop
+ nullptr, // emit
+ nullptr, // sete
+ &JitCompiler::Compile_JMP, // jmpc
+ &JitCompiler::Compile_JMP, // jmpu
+ &JitCompiler::Compile_CMP, // cmp
+ &JitCompiler::Compile_CMP, // cmp
+ &JitCompiler::Compile_MAD, // madi
+ &JitCompiler::Compile_MAD, // madi
+ &JitCompiler::Compile_MAD, // madi
+ &JitCompiler::Compile_MAD, // madi
+ &JitCompiler::Compile_MAD, // madi
+ &JitCompiler::Compile_MAD, // madi
+ &JitCompiler::Compile_MAD, // madi
+ &JitCompiler::Compile_MAD, // madi
+ &JitCompiler::Compile_MAD, // mad
+ &JitCompiler::Compile_MAD, // mad
+ &JitCompiler::Compile_MAD, // mad
+ &JitCompiler::Compile_MAD, // mad
+ &JitCompiler::Compile_MAD, // mad
+ &JitCompiler::Compile_MAD, // mad
+ &JitCompiler::Compile_MAD, // mad
+ &JitCompiler::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 X64Reg UNIFORMS = R10;
+/// The two 32-bit VS address offset registers set by the MOVA instruction
+static const X64Reg ADDROFFS_REG = R11;
+/// VS loop count register
+static const X64Reg LOOPCOUNT_REG = R12;
+/// Current VS loop iteration number (we could probably use LOOPCOUNT_REG, but this quicker)
+static const X64Reg LOOPCOUNT = RSI;
+/// Number to increment LOOPCOUNT_REG by on each loop iteration
+static const X64Reg LOOPINC = RDI;
+/// Result of the previous CMP instruction for the X-component comparison
+static const X64Reg COND0 = R13;
+/// Result of the previous CMP instruction for the Y-component comparison
+static const X64Reg COND1 = R14;
+/// Pointer to the UnitState instance for the current VS unit
+static const X64Reg STATE = R15;
+/// SIMD scratch register
+static const X64Reg SCRATCH = XMM0;
+/// Loaded with the first swizzled source register, otherwise can be used as a scratch register
+static const X64Reg SRC1 = XMM1;
+/// Loaded with the second swizzled source register, otherwise can be used as a scratch register
+static const X64Reg SRC2 = XMM2;
+/// Loaded with the third swizzled source register, otherwise can be used as a scratch register
+static const X64Reg SRC3 = XMM3;
+/// Constant vector of [1.0f, 1.0f, 1.0f, 1.0f], used to efficiently set a vector to one
+static const X64Reg ONE = XMM14;
+/// Constant vector of [-0.f, -0.f, -0.f, -0.f], used to efficiently negate a vector with XOR
+static const X64Reg NEGBIT = XMM15;
+
+/// 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;
+
+/**
+ * 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 JitCompiler::Compile_SwizzleSrc(Instruction instr, unsigned src_num, SourceRegister src_reg, X64Reg dest) {
+ X64Reg src_ptr;
+ std::size_t src_offset;
+
+ if (src_reg.GetRegisterType() == RegisterType::FloatUniform) {
+ src_ptr = UNIFORMS;
+ src_offset = src_reg.GetIndex() * sizeof(float24) * 4;
+ } else {
+ src_ptr = STATE;
+ src_offset = UnitState::InputOffset(src_reg);
+ }
+
+ unsigned operand_desc_id;
+ if (instr.opcode.Value().EffectiveOpCode() == OpCode::Id::MAD ||
+ instr.opcode.Value().EffectiveOpCode() == OpCode::Id::MADI) {
+ // The MAD and MADI instructions do not use the address offset registers, so loading the
+ // source is a bit simpler here
+
+ operand_desc_id = instr.mad.operand_desc_id;
+
+ // Load the source
+ MOVAPS(dest, MDisp(src_ptr, src_offset));
+ } else {
+ operand_desc_id = instr.common.operand_desc_id;
+
+ const bool is_inverted = (0 != (instr.opcode.Value().GetInfo().subtype & OpCode::Info::SrcInversed));
+ unsigned offset_src = is_inverted ? 2 : 1;
+
+ if (src_num == offset_src && instr.common.address_register_index != 0) {
+ switch (instr.common.address_register_index) {
+ case 1: // address offset 1
+ MOV(32, R(RBX), R(ADDROFFS_REG));
+ break;
+ case 2: // address offset 2
+ MOV(64, R(RBX), R(ADDROFFS_REG));
+ SHR(64, R(RBX), Imm8(32));
+ break;
+ case 3: // adddress offet 3
+ MOV(64, R(RBX), R(LOOPCOUNT_REG));
+ break;
+ default:
+ UNREACHABLE();
+ break;
+ }
+
+ MOVAPS(dest, MComplex(src_ptr, RBX, 1, src_offset));
+ } else {
+ // Load the source
+ MOVAPS(dest, MDisp(src_ptr, src_offset));
+ }
+ }
+
+ SwizzlePattern swiz = { g_state.vs.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, R(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, R(NEGBIT));
+ }
+}
+
+void JitCompiler::Compile_DestEnable(Instruction instr,X64Reg 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 = { g_state.vs.swizzle_data[operand_desc_id] };
+
+ // 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(MDisp(STATE, UnitState::OutputOffset(dest)), src);
+
+ } else {
+ // Not all components are enabled, so mask the result when storing to the destination register...
+ MOVAPS(SCRATCH, MDisp(STATE, UnitState::OutputOffset(dest)));
+
+ if (Common::cpu_info.bSSE4_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, R(src), mask);
+ } else {
+ MOVAPS(XMM4, R(src));
+ UNPCKHPS(XMM4, R(SCRATCH)); // Unpack X/Y components of source and destination
+ UNPCKLPS(SCRATCH, R(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, R(XMM4), sel);
+ }
+
+ // Store dest back to memory
+ MOVAPS(MDisp(STATE, UnitState::OutputOffset(dest)), SCRATCH);
+ }
+}
+
+void JitCompiler::Compile_EvaluateCondition(Instruction instr) {
+ // Note: NXOR is used below to check for equality
+ switch (instr.flow_control.op) {
+ case Instruction::FlowControlType::Or:
+ MOV(32, R(RAX), R(COND0));
+ MOV(32, R(RBX), R(COND1));
+ XOR(32, R(RAX), Imm32(instr.flow_control.refx.Value() ^ 1));
+ XOR(32, R(RBX), Imm32(instr.flow_control.refy.Value() ^ 1));
+ OR(32, R(RAX), R(RBX));
+ break;
+
+ case Instruction::FlowControlType::And:
+ MOV(32, R(RAX), R(COND0));
+ MOV(32, R(RBX), R(COND1));
+ XOR(32, R(RAX), Imm32(instr.flow_control.refx.Value() ^ 1));
+ XOR(32, R(RBX), Imm32(instr.flow_control.refy.Value() ^ 1));
+ AND(32, R(RAX), R(RBX));
+ break;
+
+ case Instruction::FlowControlType::JustX:
+ MOV(32, R(RAX), R(COND0));
+ XOR(32, R(RAX), Imm32(instr.flow_control.refx.Value() ^ 1));
+ break;
+
+ case Instruction::FlowControlType::JustY:
+ MOV(32, R(RAX), R(COND1));
+ XOR(32, R(RAX), Imm32(instr.flow_control.refy.Value() ^ 1));
+ break;
+ }
+}
+
+void JitCompiler::Compile_UniformCondition(Instruction instr) {
+ int offset = offsetof(decltype(g_state.vs.uniforms), b) + (instr.flow_control.bool_uniform_id * sizeof(bool));
+ CMP(sizeof(bool) * 8, MDisp(UNIFORMS, offset), Imm8(0));
+}
+
+void JitCompiler::Compile_ADD(Instruction instr) {
+ Compile_SwizzleSrc(instr, 1, instr.common.src1, SRC1);
+ Compile_SwizzleSrc(instr, 2, instr.common.src2, SRC2);
+ ADDPS(SRC1, R(SRC2));
+ Compile_DestEnable(instr, SRC1);
+}
+
+void JitCompiler::Compile_DP3(Instruction instr) {
+ Compile_SwizzleSrc(instr, 1, instr.common.src1, SRC1);
+ Compile_SwizzleSrc(instr, 2, instr.common.src2, SRC2);
+
+ if (Common::cpu_info.bSSE4_1) {
+ DPPS(SRC1, R(SRC2), 0x7f);
+ } else {
+ MULPS(SRC1, R(SRC2));
+
+ MOVAPS(SRC2, R(SRC1));
+ SHUFPS(SRC2, R(SRC2), _MM_SHUFFLE(1, 1, 1, 1));
+
+ MOVAPS(SRC3, R(SRC1));
+ SHUFPS(SRC3, R(SRC3), _MM_SHUFFLE(2, 2, 2, 2));
+
+ SHUFPS(SRC1, R(SRC1), _MM_SHUFFLE(0, 0, 0, 0));
+ ADDPS(SRC1, R(SRC2));
+ ADDPS(SRC1, R(SRC3));
+ }
+
+ Compile_DestEnable(instr, SRC1);
+}
+
+void JitCompiler::Compile_DP4(Instruction instr) {
+ Compile_SwizzleSrc(instr, 1, instr.common.src1, SRC1);
+ Compile_SwizzleSrc(instr, 2, instr.common.src2, SRC2);
+
+ if (Common::cpu_info.bSSE4_1) {
+ DPPS(SRC1, R(SRC2), 0xff);
+ } else {
+ MULPS(SRC1, R(SRC2));
+
+ MOVAPS(SRC2, R(SRC1));
+ SHUFPS(SRC1, R(SRC1), _MM_SHUFFLE(2, 3, 0, 1)); // XYZW -> ZWXY
+ ADDPS(SRC1, R(SRC2));
+
+ MOVAPS(SRC2, R(SRC1));
+ SHUFPS(SRC1, R(SRC1), _MM_SHUFFLE(0, 1, 2, 3)); // XYZW -> WZYX
+ ADDPS(SRC1, R(SRC2));
+ }
+
+ Compile_DestEnable(instr, SRC1);
+}
+
+void JitCompiler::Compile_MUL(Instruction instr) {
+ Compile_SwizzleSrc(instr, 1, instr.common.src1, SRC1);
+ Compile_SwizzleSrc(instr, 2, instr.common.src2, SRC2);
+ MULPS(SRC1, R(SRC2));
+ Compile_DestEnable(instr, SRC1);
+}
+
+void JitCompiler::Compile_FLR(Instruction instr) {
+ Compile_SwizzleSrc(instr, 1, instr.common.src1, SRC1);
+
+ if (Common::cpu_info.bSSE4_1) {
+ ROUNDFLOORPS(SRC1, R(SRC1));
+ } else {
+ CVTPS2DQ(SRC1, R(SRC1));
+ CVTDQ2PS(SRC1, R(SRC1));
+ }
+
+ Compile_DestEnable(instr, SRC1);
+}
+
+void JitCompiler::Compile_MAX(Instruction instr) {
+ Compile_SwizzleSrc(instr, 1, instr.common.src1, SRC1);
+ Compile_SwizzleSrc(instr, 2, instr.common.src2, SRC2);
+ MAXPS(SRC1, R(SRC2));
+ Compile_DestEnable(instr, SRC1);
+}
+
+void JitCompiler::Compile_MIN(Instruction instr) {
+ Compile_SwizzleSrc(instr, 1, instr.common.src1, SRC1);
+ Compile_SwizzleSrc(instr, 2, instr.common.src2, SRC2);
+ MINPS(SRC1, R(SRC2));
+ Compile_DestEnable(instr, SRC1);
+}
+
+void JitCompiler::Compile_MOVA(Instruction instr) {
+ SwizzlePattern swiz = { g_state.vs.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 (only care about X and Y components)
+ CVTPS2DQ(SRC1, R(SRC1));
+
+ // Get result
+ MOVQ_xmm(R(RAX), SRC1);
+ SHL(64, R(RAX), Imm8(4)); // Multiply by 16 to be used as an offset later
+
+ // Handle destination enable
+ if (swiz.DestComponentEnabled(0) && swiz.DestComponentEnabled(1)) {
+ MOV(64, R(ADDROFFS_REG), R(RAX)); // Overwrite both
+ } else {
+ if (swiz.DestComponentEnabled(0)) {
+ // Preserve Y-component
+
+ // Clear low 32 bits of previous address register
+ MOV(32, R(RBX), R(ADDROFFS_REG));
+ XOR(64, R(ADDROFFS_REG), R(RBX));
+
+ // Clear high 32-bits of new address register
+ MOV(32, R(RAX), R(RAX));
+ } else if (swiz.DestComponentEnabled(1)) {
+ // Preserve X-component
+
+ // Clear high 32-bits of previous address register
+ MOV(32, R(ADDROFFS_REG), R(ADDROFFS_REG));
+
+ // Clear low 32 bits of new address register
+ MOV(32, R(RBX), R(RAX));
+ XOR(64, R(RAX), R(RBX));
+ }
+
+ OR(64, R(ADDROFFS_REG), R(RAX)); // Combine result
+ }
+}
+
+void JitCompiler::Compile_MOV(Instruction instr) {
+ Compile_SwizzleSrc(instr, 1, instr.common.src1, SRC1);
+ Compile_DestEnable(instr, SRC1);
+}
+
+void JitCompiler::Compile_SLTI(Instruction instr) {
+ Compile_SwizzleSrc(instr, 1, instr.common.src1i, SRC1);
+ Compile_SwizzleSrc(instr, 1, instr.common.src2i, SRC2);
+
+ CMPSS(SRC1, R(SRC2), CMP_LT);
+ ANDPS(SRC1, R(ONE));
+
+ Compile_DestEnable(instr, SRC1);
+}
+
+void JitCompiler::Compile_RCP(Instruction instr) {
+ Compile_SwizzleSrc(instr, 1, instr.common.src1, SRC1);
+
+ // TODO(bunnei): RCPPS is a pretty rough approximation, this might cause problems if Pica
+ // performs this operation more accurately. This should be checked on hardware.
+ RCPPS(SRC1, R(SRC1));
+
+ Compile_DestEnable(instr, SRC1);
+}
+
+void JitCompiler::Compile_RSQ(Instruction instr) {
+ Compile_SwizzleSrc(instr, 1, instr.common.src1, SRC1);
+
+ // TODO(bunnei): RSQRTPS is a pretty rough approximation, this might cause problems if Pica
+ // performs this operation more accurately. This should be checked on hardware.
+ RSQRTPS(SRC1, R(SRC1));
+
+ Compile_DestEnable(instr, SRC1);
+}
+
+void JitCompiler::Compile_NOP(Instruction instr) {
+}
+
+void JitCompiler::Compile_END(Instruction instr) {
+ ABI_PopAllCalleeSavedRegsAndAdjustStack();
+ RET();
+ done = true;
+}
+
+void JitCompiler::Compile_CALL(Instruction instr) {
+ unsigned offset = instr.flow_control.dest_offset;
+ while (offset < (instr.flow_control.dest_offset + instr.flow_control.num_instructions)) {
+ Compile_NextInstr(&offset);
+ }
+}
+
+void JitCompiler::Compile_CALLC(Instruction instr) {
+ Compile_EvaluateCondition(instr);
+ FixupBranch b = J_CC(CC_Z, true);
+ Compile_CALL(instr);
+ SetJumpTarget(b);
+}
+
+void JitCompiler::Compile_CALLU(Instruction instr) {
+ Compile_UniformCondition(instr);
+ FixupBranch b = J_CC(CC_Z, true);
+ Compile_CALL(instr);
+ SetJumpTarget(b);
+}
+
+void JitCompiler::Compile_CMP(Instruction instr) {
+ Compile_SwizzleSrc(instr, 1, instr.common.src1, SRC1);
+ Compile_SwizzleSrc(instr, 2, instr.common.src2, SRC2);
+
+ static const u8 cmp[] = { CMP_EQ, CMP_NEQ, CMP_LT, CMP_LE, CMP_NLE, CMP_NLT };
+
+ if (instr.common.compare_op.x == instr.common.compare_op.y) {
+ // Compare X-component and Y-component together
+ CMPPS(SRC1, R(SRC2), cmp[instr.common.compare_op.x]);
+
+ MOVQ_xmm(R(COND0), SRC1);
+ MOV(64, R(COND1), R(COND0));
+ } else {
+ // Compare X-component
+ MOVAPS(SCRATCH, R(SRC1));
+ CMPSS(SCRATCH, R(SRC2), cmp[instr.common.compare_op.x]);
+
+ // Compare Y-component
+ CMPPS(SRC1, R(SRC2), cmp[instr.common.compare_op.y]);
+
+ MOVQ_xmm(R(COND0), SCRATCH);
+ MOVQ_xmm(R(COND1), SRC1);
+ }
+
+ SHR(32, R(COND0), Imm8(31));
+ SHR(64, R(COND1), Imm8(63));
+}
+
+void JitCompiler::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);
+ }
+
+ if (Common::cpu_info.bFMA) {
+ VFMADD213PS(SRC1, SRC2, R(SRC3));
+ } else {
+ MULPS(SRC1, R(SRC2));
+ ADDPS(SRC1, R(SRC3));
+ }
+
+ Compile_DestEnable(instr, SRC1);
+}
+
+void JitCompiler::Compile_IF(Instruction instr) {
+ ASSERT_MSG(instr.flow_control.dest_offset > *offset_ptr, "Backwards if-statements not supported");
+
+ // 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);
+ }
+ FixupBranch b = J_CC(CC_Z, true);
+
+ // Compile the code that corresponds to the condition evaluating as true
+ Compile_Block(instr.flow_control.dest_offset - 1);
+
+ // If there isn't an "ELSE" condition, we are done here
+ if (instr.flow_control.num_instructions == 0) {
+ SetJumpTarget(b);
+ return;
+ }
+
+ FixupBranch b2 = J(true);
+
+ SetJumpTarget(b);
+
+ // 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 - 1);
+
+ SetJumpTarget(b2);
+}
+
+void JitCompiler::Compile_LOOP(Instruction instr) {
+ ASSERT_MSG(instr.flow_control.dest_offset > *offset_ptr, "Backwards loops not supported");
+ ASSERT_MSG(!looping, "Nested loops not supported");
+
+ looping = true;
+
+ int offset = offsetof(decltype(g_state.vs.uniforms), i) + (instr.flow_control.int_uniform_id * sizeof(Math::Vec4<u8>));
+ MOV(32, R(LOOPCOUNT), MDisp(UNIFORMS, offset));
+ MOV(32, R(LOOPCOUNT_REG), R(LOOPCOUNT));
+ SHR(32, R(LOOPCOUNT_REG), Imm8(8));
+ AND(32, R(LOOPCOUNT_REG), Imm32(0xff)); // Y-component is the start
+ MOV(32, R(LOOPINC), R(LOOPCOUNT));
+ SHR(32, R(LOOPINC), Imm8(16));
+ MOVZX(32, 8, LOOPINC, R(LOOPINC)); // Z-component is the incrementer
+ MOVZX(32, 8, LOOPCOUNT, R(LOOPCOUNT)); // X-component is iteration count
+ ADD(32, R(LOOPCOUNT), Imm8(1)); // Iteration count is X-component + 1
+
+ auto loop_start = GetCodePtr();
+
+ Compile_Block(instr.flow_control.dest_offset);
+
+ ADD(32, R(LOOPCOUNT_REG), R(LOOPINC)); // Increment LOOPCOUNT_REG by Z-component
+ SUB(32, R(LOOPCOUNT), Imm8(1)); // Increment loop count by 1
+ J_CC(CC_NZ, loop_start); // Loop if not equal
+
+ looping = false;
+}
+
+void JitCompiler::Compile_JMP(Instruction instr) {
+ ASSERT_MSG(instr.flow_control.dest_offset > *offset_ptr, "Backwards jumps not supported");
+
+ if (instr.opcode.Value() == OpCode::Id::JMPC)
+ Compile_EvaluateCondition(instr);
+ else if (instr.opcode.Value() == OpCode::Id::JMPU)
+ Compile_UniformCondition(instr);
+ else
+ UNREACHABLE();
+
+ FixupBranch b = J_CC(CC_NZ, true);
+
+ Compile_Block(instr.flow_control.dest_offset);
+
+ SetJumpTarget(b);
+}
+
+void JitCompiler::Compile_Block(unsigned stop) {
+ // Save current offset pointer
+ unsigned* prev_offset_ptr = offset_ptr;
+ unsigned offset = *prev_offset_ptr;
+
+ while (offset <= stop)
+ Compile_NextInstr(&offset);
+
+ // Restore current offset pointer
+ offset_ptr = prev_offset_ptr;
+ *offset_ptr = offset;
+}
+
+void JitCompiler::Compile_NextInstr(unsigned* offset) {
+ offset_ptr = offset;
+
+ Instruction instr = *(Instruction*)&g_state.vs.program_code[(*offset_ptr)++];
+ 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(), instr.hex);
+ }
+}
+
+CompiledShader* JitCompiler::Compile() {
+ const u8* start = GetCodePtr();
+ const auto& code = g_state.vs.program_code;
+ unsigned offset = g_state.regs.vs.main_offset;
+
+ ABI_PushAllCalleeSavedRegsAndAdjustStack();
+
+ MOV(PTRBITS, R(STATE), R(ABI_PARAM1));
+ MOV(PTRBITS, R(UNIFORMS), ImmPtr(&g_state.vs.uniforms));
+
+ // Zero address/loop registers
+ XOR(64, R(ADDROFFS_REG_0), R(ADDROFFS_REG_0));
+ XOR(64, R(ADDROFFS_REG_1), R(ADDROFFS_REG_1));
+ XOR(64, R(LOOPCOUNT_REG), R(LOOPCOUNT_REG));
+
+ // Used to set a register to one
+ static const __m128 one = { 1.f, 1.f, 1.f, 1.f };
+ MOV(PTRBITS, R(RAX), ImmPtr(&one));
+ MOVAPS(ONE, MDisp(RAX, 0));
+
+ // Used to negate registers
+ static const __m128 neg = { -0.f, -0.f, -0.f, -0.f };
+ MOV(PTRBITS, R(RAX), ImmPtr(&neg));
+ MOVAPS(NEGBIT, MDisp(RAX, 0));
+
+ looping = false;
+ done = false;
+ while (offset < g_state.vs.program_code.size()) {
+ Compile_NextInstr(&offset);
+ }
+
+ return (CompiledShader*)start;
+}
+
+} // namespace Shader
+
+} // namespace Pica
diff --git a/src/video_core/video_core.cpp b/src/video_core/video_core.cpp
index 3becc4261..943fde5ee 100644
--- a/src/video_core/video_core.cpp
+++ b/src/video_core/video_core.cpp
@@ -23,6 +23,7 @@ EmuWindow* g_emu_window = nullptr; ///< Frontend emulator window
RendererBase* g_renderer = nullptr; ///< Renderer plugin
std::atomic<bool> g_hw_renderer_enabled;
+std::atomic<bool> g_shader_jit_enabled;
/// Initialize the video core
void Init(EmuWindow* emu_window) {
diff --git a/src/video_core/video_core.h b/src/video_core/video_core.h
index 14b33c9dd..2867bf03e 100644
--- a/src/video_core/video_core.h
+++ b/src/video_core/video_core.h
@@ -32,8 +32,9 @@ static const int kScreenBottomHeight = 240; ///< 3DS bottom screen height
extern RendererBase* g_renderer; ///< Renderer plugin
extern EmuWindow* g_emu_window; ///< Emu window
-// TODO: Wrap this in a user settings struct along with any other graphics settings (often set from qt ui)
+// TODO: Wrap these in a user settings struct along with any other graphics settings (often set from qt ui)
extern std::atomic<bool> g_hw_renderer_enabled;
+extern std::atomic<bool> g_shader_jit_enabled;
/// Start the video core
void Start();