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Merge pull request #9344 from liamwhite/null 

video_core: add null backend
This commit is contained in:
bunnei 2022-12-03 11:23:25 -08:00 committed by GitHub
parent 75e16547f8 89dd7dc180
commit f77cc6c412
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GPG Key ID: 4AEE18F83AFDEB23
20 changed files with 383 additions and 28 deletions
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3
src/common/settings.h
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@ -19,6 +19,7 @@ namespace Settings {
enum class RendererBackend : u32 {
OpenGL = 0,
Vulkan = 1,
Null = 2,
};
enum class ShaderBackend : u32 {
@ -411,7 +412,7 @@ struct Values {
// Renderer
SwitchableSetting<RendererBackend, true> renderer_backend{
RendererBackend::Vulkan, RendererBackend::OpenGL, RendererBackend::Vulkan, "backend"};
RendererBackend::Vulkan, RendererBackend::OpenGL, RendererBackend::Null, "backend"};
Setting<bool> renderer_debug{false, "debug"};
Setting<bool> renderer_shader_feedback{false, "shader_feedback"};
Setting<bool> enable_nsight_aftermath{false, "nsight_aftermath"};

2
src/core/telemetry_session.cpp
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@ -55,6 +55,8 @@ static const char* TranslateRenderer(Settings::RendererBackend backend) {
return "OpenGL";
case Settings::RendererBackend::Vulkan:
return "Vulkan";
case Settings::RendererBackend::Null:
return "Null";
}
return "Unknown";
}

4
src/video_core/CMakeLists.txt
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@ -92,6 +92,10 @@ add_library(video_core STATIC
rasterizer_interface.h
renderer_base.cpp
renderer_base.h
renderer_null/null_rasterizer.cpp
renderer_null/null_rasterizer.h
renderer_null/renderer_null.cpp
renderer_null/renderer_null.h
renderer_opengl/gl_buffer_cache.cpp
renderer_opengl/gl_buffer_cache.h
renderer_opengl/gl_compute_pipeline.cpp

90
src/video_core/renderer_null/null_rasterizer.cpp Normal file
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@ -0,0 +1,90 @@
// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "video_core/host1x/host1x.h"
#include "video_core/memory_manager.h"
#include "video_core/renderer_null/null_rasterizer.h"
namespace Null {
AccelerateDMA::AccelerateDMA() = default;
bool AccelerateDMA::BufferCopy(GPUVAddr start_address, GPUVAddr end_address, u64 amount) {
return true;
}
bool AccelerateDMA::BufferClear(GPUVAddr src_address, u64 amount, u32 value) {
return true;
}
RasterizerNull::RasterizerNull(Core::Memory::Memory& cpu_memory_, Tegra::GPU& gpu)
: RasterizerAccelerated(cpu_memory_), m_gpu{gpu} {}
RasterizerNull::~RasterizerNull() = default;
void RasterizerNull::Draw(bool is_indexed, u32 instance_count) {}
void RasterizerNull::Clear(u32 layer_count) {}
void RasterizerNull::DispatchCompute() {}
void RasterizerNull::ResetCounter(VideoCore::QueryType type) {}
void RasterizerNull::Query(GPUVAddr gpu_addr, VideoCore::QueryType type,
std::optional<u64> timestamp) {
if (!gpu_memory) {
return;
}
gpu_memory->Write(gpu_addr, u64{0});
if (timestamp) {
gpu_memory->Write(gpu_addr + 8, *timestamp);
}
}
void RasterizerNull::BindGraphicsUniformBuffer(size_t stage, u32 index, GPUVAddr gpu_addr,
u32 size) {}
void RasterizerNull::DisableGraphicsUniformBuffer(size_t stage, u32 index) {}
void RasterizerNull::FlushAll() {}
void RasterizerNull::FlushRegion(VAddr addr, u64 size) {}
bool RasterizerNull::MustFlushRegion(VAddr addr, u64 size) {
return false;
}
void RasterizerNull::InvalidateRegion(VAddr addr, u64 size) {}
void RasterizerNull::OnCPUWrite(VAddr addr, u64 size) {}
void RasterizerNull::InvalidateGPUCache() {}
void RasterizerNull::UnmapMemory(VAddr addr, u64 size) {}
void RasterizerNull::ModifyGPUMemory(size_t as_id, GPUVAddr addr, u64 size) {}
void RasterizerNull::SignalFence(std::function<void()>&& func) {
func();
}
void RasterizerNull::SyncOperation(std::function<void()>&& func) {
func();
}
void RasterizerNull::SignalSyncPoint(u32 value) {
auto& syncpoint_manager = m_gpu.Host1x().GetSyncpointManager();
syncpoint_manager.IncrementGuest(value);
syncpoint_manager.IncrementHost(value);
}
void RasterizerNull::SignalReference() {}
void RasterizerNull::ReleaseFences() {}
void RasterizerNull::FlushAndInvalidateRegion(VAddr addr, u64 size) {}
void RasterizerNull::WaitForIdle() {}
void RasterizerNull::FragmentBarrier() {}
void RasterizerNull::TiledCacheBarrier() {}
void RasterizerNull::FlushCommands() {}
void RasterizerNull::TickFrame() {}
Tegra::Engines::AccelerateDMAInterface& RasterizerNull::AccessAccelerateDMA() {
return m_accelerate_dma;
}
bool RasterizerNull::AccelerateSurfaceCopy(const Tegra::Engines::Fermi2D::Surface& src,
const Tegra::Engines::Fermi2D::Surface& dst,
const Tegra::Engines::Fermi2D::Config& copy_config) {
return true;
}
void RasterizerNull::AccelerateInlineToMemory(GPUVAddr address, size_t copy_size,
std::span<const u8> memory) {}
bool RasterizerNull::AccelerateDisplay(const Tegra::FramebufferConfig& config,
VAddr framebuffer_addr, u32 pixel_stride) {
return true;
}
void RasterizerNull::LoadDiskResources(u64 title_id, std::stop_token stop_loading,
const VideoCore::DiskResourceLoadCallback& callback) {}
void RasterizerNull::InitializeChannel(Tegra::Control::ChannelState& channel) {}
void RasterizerNull::BindChannel(Tegra::Control::ChannelState& channel) {}
void RasterizerNull::ReleaseChannel(s32 channel_id) {}
} // namespace Null

78
src/video_core/renderer_null/null_rasterizer.h Normal file
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@ -0,0 +1,78 @@
// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include "common/common_types.h"
#include "video_core/control/channel_state_cache.h"
#include "video_core/engines/maxwell_dma.h"
#include "video_core/rasterizer_accelerated.h"
#include "video_core/rasterizer_interface.h"
namespace Core {
class System;
}
namespace Null {
class RasterizerNull;
class AccelerateDMA : public Tegra::Engines::AccelerateDMAInterface {
public:
explicit AccelerateDMA();
bool BufferCopy(GPUVAddr start_address, GPUVAddr end_address, u64 amount) override;
bool BufferClear(GPUVAddr src_address, u64 amount, u32 value) override;
};
class RasterizerNull final : public VideoCore::RasterizerAccelerated,
protected VideoCommon::ChannelSetupCaches<VideoCommon::ChannelInfo> {
public:
explicit RasterizerNull(Core::Memory::Memory& cpu_memory, Tegra::GPU& gpu);
~RasterizerNull() override;
void Draw(bool is_indexed, u32 instance_count) override;
void Clear(u32 layer_count) override;
void DispatchCompute() override;
void ResetCounter(VideoCore::QueryType type) override;
void Query(GPUVAddr gpu_addr, VideoCore::QueryType type, std::optional<u64> timestamp) override;
void BindGraphicsUniformBuffer(size_t stage, u32 index, GPUVAddr gpu_addr, u32 size) override;
void DisableGraphicsUniformBuffer(size_t stage, u32 index) override;
void FlushAll() override;
void FlushRegion(VAddr addr, u64 size) override;
bool MustFlushRegion(VAddr addr, u64 size) override;
void InvalidateRegion(VAddr addr, u64 size) override;
void OnCPUWrite(VAddr addr, u64 size) override;
void InvalidateGPUCache() override;
void UnmapMemory(VAddr addr, u64 size) override;
void ModifyGPUMemory(size_t as_id, GPUVAddr addr, u64 size) override;
void SignalFence(std::function<void()>&& func) override;
void SyncOperation(std::function<void()>&& func) override;
void SignalSyncPoint(u32 value) override;
void SignalReference() override;
void ReleaseFences() override;
void FlushAndInvalidateRegion(VAddr addr, u64 size) override;
void WaitForIdle() override;
void FragmentBarrier() override;
void TiledCacheBarrier() override;
void FlushCommands() override;
void TickFrame() override;
bool AccelerateSurfaceCopy(const Tegra::Engines::Fermi2D::Surface& src,
const Tegra::Engines::Fermi2D::Surface& dst,
const Tegra::Engines::Fermi2D::Config& copy_config) override;
Tegra::Engines::AccelerateDMAInterface& AccessAccelerateDMA() override;
void AccelerateInlineToMemory(GPUVAddr address, size_t copy_size,
std::span<const u8> memory) override;
bool AccelerateDisplay(const Tegra::FramebufferConfig& config, VAddr framebuffer_addr,
u32 pixel_stride) override;
void LoadDiskResources(u64 title_id, std::stop_token stop_loading,
const VideoCore::DiskResourceLoadCallback& callback) override;
void InitializeChannel(Tegra::Control::ChannelState& channel) override;
void BindChannel(Tegra::Control::ChannelState& channel) override;
void ReleaseChannel(s32 channel_id) override;
private:
Tegra::GPU& m_gpu;
AccelerateDMA m_accelerate_dma;
};
} // namespace Null

24
src/video_core/renderer_null/renderer_null.cpp Normal file
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@ -0,0 +1,24 @@
// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "video_core/renderer_null/renderer_null.h"
namespace Null {
RendererNull::RendererNull(Core::Frontend::EmuWindow& emu_window, Core::Memory::Memory& cpu_memory,
Tegra::GPU& gpu,
std::unique_ptr<Core::Frontend::GraphicsContext> context_)
: RendererBase(emu_window, std::move(context_)), m_gpu(gpu), m_rasterizer(cpu_memory, gpu) {}
RendererNull::~RendererNull() = default;
void RendererNull::SwapBuffers(const Tegra::FramebufferConfig* framebuffer) {
if (!framebuffer) {
return;
}
m_gpu.RendererFrameEndNotify();
render_window.OnFrameDisplayed();
}
} // namespace Null

36
src/video_core/renderer_null/renderer_null.h Normal file
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@ -0,0 +1,36 @@
// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <memory>
#include <string>
#include "video_core/renderer_base.h"
#include "video_core/renderer_null/null_rasterizer.h"
namespace Null {
class RendererNull final : public VideoCore::RendererBase {
public:
explicit RendererNull(Core::Frontend::EmuWindow& emu_window, Core::Memory::Memory& cpu_memory,
Tegra::GPU& gpu,
std::unique_ptr<Core::Frontend::GraphicsContext> context);
~RendererNull() override;
void SwapBuffers(const Tegra::FramebufferConfig* framebuffer) override;
VideoCore::RasterizerInterface* ReadRasterizer() override {
return &m_rasterizer;
}
[[nodiscard]] std::string GetDeviceVendor() const override {
return "NULL";
}
private:
Tegra::GPU& m_gpu;
RasterizerNull m_rasterizer;
};
} // namespace Null

4
src/video_core/video_core.cpp
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@ -7,6 +7,7 @@
#include "common/settings.h"
#include "core/core.h"
#include "video_core/renderer_base.h"
#include "video_core/renderer_null/renderer_null.h"
#include "video_core/renderer_opengl/renderer_opengl.h"
#include "video_core/renderer_vulkan/renderer_vulkan.h"
#include "video_core/video_core.h"
@ -26,6 +27,9 @@ std::unique_ptr<VideoCore::RendererBase> CreateRenderer(
case Settings::RendererBackend::Vulkan:
return std::make_unique<Vulkan::RendererVulkan>(telemetry_session, emu_window, cpu_memory,
gpu, std::move(context));
case Settings::RendererBackend::Null:
return std::make_unique<Null::RendererNull>(emu_window, cpu_memory, gpu,
std::move(context));
default:
return nullptr;
}

18
src/yuzu/bootmanager.cpp
View File

@ -237,8 +237,7 @@ private:
GRenderWindow* render_window;
};
class OpenGLRenderWidget : public RenderWidget {
public:
struct OpenGLRenderWidget : public RenderWidget {
explicit OpenGLRenderWidget(GRenderWindow* parent) : RenderWidget(parent) {
windowHandle()->setSurfaceType(QWindow::OpenGLSurface);
}
@ -251,13 +250,16 @@ private:
std::unique_ptr<Core::Frontend::GraphicsContext> context;
};
class VulkanRenderWidget : public RenderWidget {
public:
struct VulkanRenderWidget : public RenderWidget {
explicit VulkanRenderWidget(GRenderWindow* parent) : RenderWidget(parent) {
windowHandle()->setSurfaceType(QWindow::VulkanSurface);
}
};
struct NullRenderWidget : public RenderWidget {
explicit NullRenderWidget(GRenderWindow* parent) : RenderWidget(parent) {}
};
static Core::Frontend::WindowSystemType GetWindowSystemType() {
// Determine WSI type based on Qt platform.
QString platform_name = QGuiApplication::platformName();
@ -878,6 +880,9 @@ bool GRenderWindow::InitRenderTarget() {
return false;
}
break;
case Settings::RendererBackend::Null:
InitializeNull();
break;
}
// Update the Window System information with the new render target
@ -974,6 +979,11 @@ bool GRenderWindow::InitializeVulkan() {
return true;
}
void GRenderWindow::InitializeNull() {
child_widget = new NullRenderWidget(this);
main_context = std::make_unique<DummyContext>();
}
bool GRenderWindow::LoadOpenGL() {
auto context = CreateSharedContext();
auto scope = context->Acquire();

1
src/yuzu/bootmanager.h
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@ -219,6 +219,7 @@ private:
bool InitializeOpenGL();
bool InitializeVulkan();
void InitializeNull();
bool LoadOpenGL();
QStringList GetUnsupportedGLExtensions() const;

5
src/yuzu/configuration/configure_graphics.cpp
View File

@ -260,6 +260,7 @@ void ConfigureGraphics::ApplyConfiguration() {
Settings::values.renderer_backend.SetValue(GetCurrentGraphicsBackend());
switch (GetCurrentGraphicsBackend()) {
case Settings::RendererBackend::OpenGL:
case Settings::RendererBackend::Null:
Settings::values.shader_backend.SetGlobal(false);
Settings::values.vulkan_device.SetGlobal(true);
Settings::values.shader_backend.SetValue(shader_backend);
@ -348,6 +349,10 @@ void ConfigureGraphics::UpdateAPILayout() {
ui->device_widget->setVisible(true);
ui->backend_widget->setVisible(false);
break;
case Settings::RendererBackend::Null:
ui->device_widget->setVisible(false);
ui->backend_widget->setVisible(false);
break;
}
}

5
src/yuzu/configuration/configure_graphics.ui
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@ -139,6 +139,11 @@
<string notr="true">Vulkan</string>
</property>
</item>
<item>
<property name="text">
<string>None</string>
</property>
</item>
</widget>
</item>
</layout>

52
src/yuzu/main.cpp
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@ -1012,29 +1012,11 @@ void GMainWindow::InitializeWidgets() {
renderer_status_button->setObjectName(QStringLiteral("RendererStatusBarButton"));
renderer_status_button->setCheckable(true);
renderer_status_button->setFocusPolicy(Qt::NoFocus);
connect(renderer_status_button, &QPushButton::toggled, [this](bool checked) {
renderer_status_button->setText(checked ? tr("VULKAN") : tr("OPENGL"));
});
renderer_status_button->toggle();
connect(renderer_status_button, &QPushButton::clicked, this, &GMainWindow::OnToggleGraphicsAPI);
UpdateAPIText();
renderer_status_button->setCheckable(true);
renderer_status_button->setChecked(Settings::values.renderer_backend.GetValue() ==
Settings::RendererBackend::Vulkan);
connect(renderer_status_button, &QPushButton::clicked, [this] {
if (emulation_running) {
return;
}
if (renderer_status_button->isChecked()) {
Settings::values.renderer_backend.SetValue(Settings::RendererBackend::Vulkan);
} else {
Settings::values.renderer_backend.SetValue(Settings::RendererBackend::OpenGL);
if (Settings::values.scaling_filter.GetValue() == Settings::ScalingFilter::Fsr) {
Settings::values.scaling_filter.SetValue(Settings::ScalingFilter::NearestNeighbor);
UpdateFilterText();
}
}
system->ApplySettings();
});
statusBar()->insertPermanentWidget(0, renderer_status_button);
statusBar()->setVisible(true);
@ -3259,6 +3241,18 @@ void GMainWindow::OnToggleAdaptingFilter() {
UpdateFilterText();
}
void GMainWindow::OnToggleGraphicsAPI() {
auto api = Settings::values.renderer_backend.GetValue();
if (api == Settings::RendererBackend::OpenGL) {
api = Settings::RendererBackend::Vulkan;
} else {
api = Settings::RendererBackend::OpenGL;
}
Settings::values.renderer_backend.SetValue(api);
renderer_status_button->setChecked(api == Settings::RendererBackend::Vulkan);
UpdateAPIText();
}
void GMainWindow::OnConfigurePerGame() {
const u64 title_id = system->GetCurrentProcessProgramID();
OpenPerGameConfiguration(title_id, current_game_path.toStdString());
@ -3579,6 +3573,21 @@ void GMainWindow::UpdateDockedButton() {
dock_status_button->setText(is_docked ? tr("DOCKED") : tr("HANDHELD"));
}
void GMainWindow::UpdateAPIText() {
const auto api = Settings::values.renderer_backend.GetValue();
switch (api) {
case Settings::RendererBackend::OpenGL:
renderer_status_button->setText(tr("OPENGL"));
break;
case Settings::RendererBackend::Vulkan:
renderer_status_button->setText(tr("VULKAN"));
break;
case Settings::RendererBackend::Null:
renderer_status_button->setText(tr("NULL"));
break;
}
}
void GMainWindow::UpdateFilterText() {
const auto filter = Settings::values.scaling_filter.GetValue();
switch (filter) {
@ -3624,6 +3633,7 @@ void GMainWindow::UpdateAAText() {
void GMainWindow::UpdateStatusButtons() {
renderer_status_button->setChecked(Settings::values.renderer_backend.GetValue() ==
Settings::RendererBackend::Vulkan);
UpdateAPIText();
UpdateGPUAccuracyButton();
UpdateDockedButton();
UpdateFilterText();

2
src/yuzu/main.h
View File

@ -307,6 +307,7 @@ private slots:
void OnTasStartStop();
void OnTasRecord();
void OnTasReset();
void OnToggleGraphicsAPI();
void OnToggleDockedMode();
void OnToggleGpuAccuracy();
void OnToggleAdaptingFilter();
@ -347,6 +348,7 @@ private:
void UpdateWindowTitle(std::string_view title_name = {}, std::string_view title_version = {},
std::string_view gpu_vendor = {});
void UpdateDockedButton();
void UpdateAPIText();
void UpdateFilterText();
void UpdateAAText();
void UpdateStatusBar();

2
src/yuzu_cmd/CMakeLists.txt
View File

@ -22,6 +22,8 @@ add_executable(yuzu-cmd
emu_window/emu_window_sdl2.h
emu_window/emu_window_sdl2_gl.cpp
emu_window/emu_window_sdl2_gl.h
emu_window/emu_window_sdl2_null.cpp
emu_window/emu_window_sdl2_null.h
emu_window/emu_window_sdl2_vk.cpp
emu_window/emu_window_sdl2_vk.h
precompiled_headers.h

2
src/yuzu_cmd/emu_window/emu_window_sdl2.h
View File

@ -89,3 +89,5 @@ protected:
/// yuzu core instance
Core::System& system;
};
class DummyContext : public Core::Frontend::GraphicsContext {};

51
src/yuzu_cmd/emu_window/emu_window_sdl2_null.cpp Normal file
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@ -0,0 +1,51 @@
// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include <cstdlib>
#include <memory>
#include <string>
#include <fmt/format.h>
#include "common/logging/log.h"
#include "common/scm_rev.h"
#include "video_core/renderer_null/renderer_null.h"
#include "yuzu_cmd/emu_window/emu_window_sdl2_null.h"
#ifdef YUZU_USE_EXTERNAL_SDL2
// Include this before SDL.h to prevent the external from including a dummy
#define USING_GENERATED_CONFIG_H
#include <SDL_config.h>
#endif
#include <SDL.h>
EmuWindow_SDL2_Null::EmuWindow_SDL2_Null(InputCommon::InputSubsystem* input_subsystem_,
Core::System& system_, bool fullscreen)
: EmuWindow_SDL2{input_subsystem_, system_} {
const std::string window_title = fmt::format("yuzu {} | {}-{} (Vulkan)", Common::g_build_name,
Common::g_scm_branch, Common::g_scm_desc);
render_window =
SDL_CreateWindow(window_title.c_str(), SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED,
Layout::ScreenUndocked::Width, Layout::ScreenUndocked::Height,
SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI);
SetWindowIcon();
if (fullscreen) {
Fullscreen();
ShowCursor(false);
}
OnResize();
OnMinimalClientAreaChangeRequest(GetActiveConfig().min_client_area_size);
SDL_PumpEvents();
LOG_INFO(Frontend, "yuzu Version: {} | {}-{} (Null)", Common::g_build_name,
Common::g_scm_branch, Common::g_scm_desc);
}
EmuWindow_SDL2_Null::~EmuWindow_SDL2_Null() = default;
std::unique_ptr<Core::Frontend::GraphicsContext> EmuWindow_SDL2_Null::CreateSharedContext() const {
return std::make_unique<DummyContext>();
}

26
src/yuzu_cmd/emu_window/emu_window_sdl2_null.h Normal file
View File

@ -0,0 +1,26 @@
// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <memory>
#include "core/frontend/emu_window.h"
#include "yuzu_cmd/emu_window/emu_window_sdl2.h"
namespace Core {
class System;
}
namespace InputCommon {
class InputSubsystem;
}
class EmuWindow_SDL2_Null final : public EmuWindow_SDL2 {
public:
explicit EmuWindow_SDL2_Null(InputCommon::InputSubsystem* input_subsystem_,
Core::System& system, bool fullscreen);
~EmuWindow_SDL2_Null() override;
std::unique_ptr<Core::Frontend::GraphicsContext> CreateSharedContext() const override;
};

2
src/yuzu_cmd/emu_window/emu_window_sdl2_vk.h
View File

@ -24,5 +24,3 @@ public:
std::unique_ptr<Core::Frontend::GraphicsContext> CreateSharedContext() const override;
};
class DummyContext : public Core::Frontend::GraphicsContext {};

4
src/yuzu_cmd/yuzu.cpp
View File

@ -34,6 +34,7 @@
#include "yuzu_cmd/config.h"
#include "yuzu_cmd/emu_window/emu_window_sdl2.h"
#include "yuzu_cmd/emu_window/emu_window_sdl2_gl.h"
#include "yuzu_cmd/emu_window/emu_window_sdl2_null.h"
#include "yuzu_cmd/emu_window/emu_window_sdl2_vk.h"
#ifdef _WIN32
@ -317,6 +318,9 @@ int main(int argc, char** argv) {
case Settings::RendererBackend::Vulkan:
emu_window = std::make_unique<EmuWindow_SDL2_VK>(&input_subsystem, system, fullscreen);
break;
case Settings::RendererBackend::Null:
emu_window = std::make_unique<EmuWindow_SDL2_Null>(&input_subsystem, system, fullscreen);
break;
}
system.SetContentProvider(std::make_unique<FileSys::ContentProviderUnion>());