aurora: Dawn + SDL united at last

This commit is contained in:
Luke Street 2022-02-16 18:13:40 -05:00
parent aabef3e058
commit e866245f60
8 changed files with 382 additions and 86 deletions

View File

@ -9,8 +9,23 @@ if (NOT MSVC)
target_compile_options(SPIRV-Tools-opt PRIVATE -Wno-implicit-fallthrough) target_compile_options(SPIRV-Tools-opt PRIVATE -Wno-implicit-fallthrough)
endif () endif ()
add_library(aurora STATIC lib/aurora.cpp lib/imgui.cpp lib/gfx/common.cpp) add_library(aurora STATIC
lib/aurora.cpp
lib/imgui.cpp
lib/dawn/BackendBinding.cpp
lib/gfx/common.cpp
)
target_include_directories(aurora PUBLIC include ../Runtime) target_include_directories(aurora PUBLIC include ../Runtime)
target_include_directories(aurora PRIVATE ../imgui ../extern/imgui) target_include_directories(aurora PRIVATE ../imgui ../extern/imgui)
target_link_libraries(aurora PRIVATE dawn_native dawncpp webgpu_dawn zeus logvisor SDL2-static) target_link_libraries(aurora PRIVATE dawn_native dawncpp webgpu_dawn zeus logvisor SDL2-static)
target_compile_definitions(aurora PRIVATE AURORA_ENABLE_VULKAN AURORA_ENABLE_OPENGL) if (APPLE)
target_compile_definitions(aurora PRIVATE DAWN_ENABLE_BACKEND_METAL)
target_sources(aurora PRIVATE lib/dawn/MetalBinding.mm)
set_source_files_properties(lib/dawn/MetalBinding.mm PROPERTIES COMPILE_FLAGS -fobjc-arc)
else ()
target_compile_definitions(aurora PRIVATE
DAWN_ENABLE_BACKEND_VULKAN
DAWN_ENABLE_BACKEND_OPENGL
DAWN_ENABLE_BACKEND_DESKTOP_GL)
target_sources(aurora PRIVATE lib/dawn/OpenGLBinding.cpp lib/dawn/VulkanBinding.cpp)
endif ()

View File

@ -182,6 +182,7 @@ enum class Backend : uint8_t {
D3D12, D3D12,
D3D11, D3D11,
OpenGL, OpenGL,
OpenGLES,
WebGPU, WebGPU,
}; };

View File

@ -1,40 +1,51 @@
#include <SDL.h>
#include <aurora/aurora.hpp> #include <aurora/aurora.hpp>
#include <logvisor/logvisor.hpp>
#include <memory> #include <SDL.h>
#include <dawn/native/DawnNative.h> #include <dawn/native/DawnNative.h>
#ifdef AURORA_ENABLE_VULKAN #include <dawn/webgpu_cpp.h>
#include <logvisor/logvisor.hpp>
#include <magic_enum.hpp>
#ifdef DAWN_ENABLE_BACKEND_VULKAN
#include <SDL_vulkan.h> #include <SDL_vulkan.h>
#include <dawn/native/VulkanBackend.h> #include <dawn/native/VulkanBackend.h>
#endif #endif
#ifdef AURORA_ENABLE_OPENGL #ifdef DAWN_ENABLE_BACKEND_OPENGL
#include <SDL_opengl.h> #include <SDL_opengl.h>
#include <dawn/native/OpenGLBackend.h> #include <dawn/native/OpenGLBackend.h>
#endif #endif
#include <dawn/webgpu_cpp.h> #ifdef DAWN_ENABLE_BACKEND_METAL
#include <magic_enum.hpp> #include <SDL_metal.h>
#include <dawn/native/MetalBackend.h>
#endif
#include "dawn/BackendBinding.hpp"
namespace aurora { namespace aurora {
// TODO: Move global state to a class/struct? // TODO: Move global state to a class/struct?
static logvisor::Module Log("aurora"); static logvisor::Module Log("aurora");
static std::unique_ptr<AppDelegate> g_AppDelegate; static std::unique_ptr<AppDelegate> g_AppDelegate;
static std::vector<std::string> g_Args;
// SDL // SDL
static SDL_Window* g_Window; static SDL_Window* g_Window;
// Dawn / WebGPU // Dawn / WebGPU
#ifdef AURORA_ENABLE_VULKAN #ifdef DAWN_ENABLE_BACKEND_VULKAN
static wgpu::BackendType backendType = wgpu::BackendType::Vulkan; static wgpu::BackendType preferredBackendType = wgpu::BackendType::Vulkan;
#elif AURORA_ENABLE_METAL #elif DAWN_ENABLE_BACKEND_METAL
static wgpu::BackendType backendType = wgpu::BackendType::Metal; static wgpu::BackendType preferredBackendType = wgpu::BackendType::Metal;
#else #else
static wgpu::BackendType backendType = wgpu::BackendType::OpenGL; static wgpu::BackendType preferredBackendType = wgpu::BackendType::OpenGL;
#endif #endif
static std::vector<std::string> g_Args; static std::unique_ptr<dawn::native::Instance> g_Instance;
static wgpu::SwapChain g_SwapChain; static dawn::native::Adapter g_Adapter;
static DawnSwapChainImplementation g_SwapChainImpl; static wgpu::AdapterProperties g_AdapterProperties;
static wgpu::Queue g_Queue;
static wgpu::Device g_Device; static wgpu::Device g_Device;
static wgpu::TextureFormat g_SwapChainFormat; static wgpu::Queue g_Queue;
static wgpu::SwapChain g_SwapChain;
static std::unique_ptr<utils::BackendBinding> g_BackendBinding;
static void set_window_icon(Icon icon) noexcept { static void set_window_icon(Icon icon) noexcept {
SDL_Surface* iconSurface = SDL_CreateRGBSurfaceFrom(icon.data.get(), icon.width, icon.height, 32, 4 * icon.width, SDL_Surface* iconSurface = SDL_CreateRGBSurfaceFrom(icon.data.get(), icon.width, icon.height, 32, 4 * icon.width,
@ -182,45 +193,23 @@ void app_run(std::unique_ptr<AppDelegate> app, Icon icon, int argc, char** argv)
g_Args.emplace_back(argv[i]); g_Args.emplace_back(argv[i]);
} }
Log.report(logvisor::Info, FMT_STRING("Creating Dawn instance"));
auto instance = std::make_unique<dawn::native::Instance>();
instance->DiscoverDefaultAdapters();
dawn::native::Adapter backendAdapter;
{
std::vector<dawn::native::Adapter> adapters = instance->GetAdapters();
auto adapterIt = std::find_if(adapters.begin(), adapters.end(), [](const dawn::native::Adapter adapter) -> bool {
wgpu::AdapterProperties properties;
adapter.GetProperties(&properties);
return properties.backendType == backendType;
});
if (adapterIt == adapters.end()) {
Log.report(logvisor::Fatal, FMT_STRING("Failed to find usable graphics backend"));
}
backendAdapter = *adapterIt;
}
wgpu::AdapterProperties adapterProperties;
backendAdapter.GetProperties(&adapterProperties);
const auto backendName = magic_enum::enum_name(adapterProperties.backendType);
Log.report(logvisor::Info, FMT_STRING("Using {} graphics backend"), backendName);
if (SDL_Init(SDL_INIT_EVERYTHING) < 0) { if (SDL_Init(SDL_INIT_EVERYTHING) < 0) {
Log.report(logvisor::Fatal, FMT_STRING("Error initializing SDL: {}"), SDL_GetError()); Log.report(logvisor::Fatal, FMT_STRING("Error initializing SDL: {}"), SDL_GetError());
} }
Uint32 flags = SDL_WINDOW_SHOWN | SDL_WINDOW_ALLOW_HIGHDPI; Uint32 flags = SDL_WINDOW_SHOWN | SDL_WINDOW_ALLOW_HIGHDPI | SDL_WINDOW_RESIZABLE;
switch (adapterProperties.backendType) { switch (preferredBackendType) {
#ifdef AURORA_ENABLE_VULKAN #ifdef DAWN_ENABLE_BACKEND_VULKAN
case wgpu::BackendType::Vulkan: case wgpu::BackendType::Vulkan:
flags |= SDL_WINDOW_VULKAN; flags |= SDL_WINDOW_VULKAN;
break; break;
#endif #endif
#ifdef AURORA_ENABLE_METAL #ifdef DAWN_ENABLE_BACKEND_METAL
case wgpu::BackendType::Metal: case wgpu::BackendType::Metal:
flags |= SDL_WINDOW_METAL; flags |= SDL_WINDOW_METAL;
break; break;
#endif #endif
#ifdef AURORA_ENABLE_OPENGL #ifdef DAWN_ENABLE_BACKEND_OPENGL
case wgpu::BackendType::OpenGL: case wgpu::BackendType::OpenGL:
flags |= SDL_WINDOW_OPENGL; flags |= SDL_WINDOW_OPENGL;
break; break;
@ -234,59 +223,74 @@ void app_run(std::unique_ptr<AppDelegate> app, Icon icon, int argc, char** argv)
} }
set_window_icon(std::move(icon)); set_window_icon(std::move(icon));
g_Device = wgpu::Device::Acquire(backendAdapter.CreateDevice()); Log.report(logvisor::Info, FMT_STRING("Creating Dawn instance"));
switch (adapterProperties.backendType) { g_Instance = std::make_unique<dawn::native::Instance>();
#ifdef AURORA_ENABLE_VULKAN utils::DiscoverAdapter(g_Instance.get(), g_Window, preferredBackendType);
case wgpu::BackendType::Vulkan: {
VkSurfaceKHR surface = VK_NULL_HANDLE; {
if (SDL_Vulkan_CreateSurface(g_Window, dawn::native::vulkan::GetInstance(g_Device.Get()), &surface) != SDL_TRUE) { std::vector<dawn::native::Adapter> adapters = g_Instance->GetAdapters();
Log.report(logvisor::Fatal, FMT_STRING("Failed to create Vulkan surface: {}"), SDL_GetError()); auto adapterIt = std::find_if(adapters.begin(), adapters.end(), [](const dawn::native::Adapter adapter) -> bool {
wgpu::AdapterProperties properties;
adapter.GetProperties(&properties);
return properties.backendType == preferredBackendType;
});
if (adapterIt == adapters.end()) {
Log.report(logvisor::Fatal, FMT_STRING("Failed to find usable graphics backend"));
} }
g_SwapChainImpl = dawn::native::vulkan::CreateNativeSwapChainImpl(g_Device.Get(), surface); g_Adapter = *adapterIt;
g_SwapChainFormat =
static_cast<wgpu::TextureFormat>(dawn::native::vulkan::GetNativeSwapChainPreferredFormat(&g_SwapChainImpl));
break;
} }
#endif g_Adapter.GetProperties(&g_AdapterProperties);
#ifdef AURORA_ENABLE_METAL const auto backendName = magic_enum::enum_name(g_AdapterProperties.backendType);
case wgpu::BackendType::Metal: { Log.report(logvisor::Info, FMT_STRING("Using {} graphics backend"), backendName);
// TODO
g_SwapChainFormat = WGPUTextureFormat_BGRA8Unorm; g_Device = wgpu::Device::Acquire(g_Adapter.CreateDevice());
break; g_BackendBinding = std::unique_ptr<utils::BackendBinding>(
} utils::CreateBinding(g_AdapterProperties.backendType, g_Window, g_Device.Get()));
#endif if (!g_BackendBinding) {
#ifdef AURORA_ENABLE_OPENGL
case wgpu::BackendType::OpenGL: {
g_SwapChainImpl = dawn::native::opengl::CreateNativeSwapChainImpl(
g_Device.Get(), [](void* userdata) { SDL_GL_SwapWindow(static_cast<SDL_Window*>(userdata)); }, g_Window);
g_SwapChainFormat =
static_cast<wgpu::TextureFormat>(dawn::native::opengl::GetNativeSwapChainPreferredFormat(&g_SwapChainImpl));
break;
}
#endif
default:
Log.report(logvisor::Fatal, FMT_STRING("Unsupported backend {}"), backendName); Log.report(logvisor::Fatal, FMT_STRING("Unsupported backend {}"), backendName);
} }
g_Queue = g_Device.GetQueue(); g_Queue = g_Device.GetQueue();
{ {
wgpu::SwapChainDescriptor descriptor{}; wgpu::SwapChainDescriptor descriptor{};
descriptor.implementation = reinterpret_cast<uint64_t>(&g_SwapChainImpl); descriptor.implementation = g_BackendBinding->GetSwapChainImplementation();
g_SwapChain = g_Device.CreateSwapChain(nullptr, &descriptor); g_SwapChain = g_Device.CreateSwapChain(nullptr, &descriptor);
} }
{ {
int width, height; auto size = get_window_size();
SDL_GetWindowSize(g_Window, &width, &height); auto format = static_cast<wgpu::TextureFormat>(g_BackendBinding->GetPreferredSwapChainTextureFormat());
g_SwapChain.Configure(g_SwapChainFormat, wgpu::TextureUsage::RenderAttachment, width, height); g_SwapChain.Configure(format, wgpu::TextureUsage::RenderAttachment, size.width, size.height);
} }
g_AppDelegate->onAppLaunched(); g_AppDelegate->onAppLaunched();
g_AppDelegate->onAppWindowResized(get_window_size()); g_AppDelegate->onAppWindowResized(get_window_size());
while (poll_events()) {} while (poll_events()) {
auto encoder = g_Device.CreateCommandEncoder();
{
std::array<wgpu::RenderPassColorAttachment, 1> attachments{wgpu::RenderPassColorAttachment{
.view = g_SwapChain.GetCurrentTextureView(),
.loadOp = wgpu::LoadOp::Clear,
.storeOp = wgpu::StoreOp::Store,
.clearColor = {0.5f, 0.5f, 0.5f, 1.f},
}};
auto renderPassDescriptor = wgpu::RenderPassDescriptor{
.label = "Render Pass",
.colorAttachmentCount = attachments.size(),
.colorAttachments = attachments.data(),
};
auto pass = encoder.BeginRenderPass(&renderPassDescriptor);
pass.End();
}
const auto buffer = encoder.Finish();
g_Queue.Submit(1, &buffer);
g_SwapChain.Present();
}
g_SwapChain.Release(); wgpuSwapChainRelease(g_SwapChain.Release());
g_Queue.Release(); wgpuQueueRelease(g_Queue.Release());
g_Device.Release(); g_BackendBinding.reset();
wgpuDeviceRelease(g_Device.Release());
g_Instance.reset();
SDL_DestroyWindow(g_Window); SDL_DestroyWindow(g_Window);
SDL_Quit(); SDL_Quit();
} }
@ -299,7 +303,7 @@ WindowSize get_window_size() noexcept {
} }
void set_window_title(zstring_view title) noexcept { SDL_SetWindowTitle(g_Window, title.c_str()); } void set_window_title(zstring_view title) noexcept { SDL_SetWindowTitle(g_Window, title.c_str()); }
Backend get_backend() noexcept { Backend get_backend() noexcept {
switch (backendType) { switch (g_AdapterProperties.backendType) {
case wgpu::BackendType::WebGPU: case wgpu::BackendType::WebGPU:
return Backend::WebGPU; return Backend::WebGPU;
case wgpu::BackendType::D3D11: case wgpu::BackendType::D3D11:
@ -311,13 +315,14 @@ Backend get_backend() noexcept {
case wgpu::BackendType::Vulkan: case wgpu::BackendType::Vulkan:
return Backend::Vulkan; return Backend::Vulkan;
case wgpu::BackendType::OpenGL: case wgpu::BackendType::OpenGL:
case wgpu::BackendType::OpenGLES:
return Backend::OpenGL; return Backend::OpenGL;
case wgpu::BackendType::OpenGLES:
return Backend::OpenGLES;
default: default:
return Backend::Invalid; return Backend::Invalid;
} }
} }
std::string_view get_backend_string() noexcept { return magic_enum::enum_name(get_backend()); } std::string_view get_backend_string() noexcept { return magic_enum::enum_name(g_AdapterProperties.backendType); }
void set_fullscreen(bool fullscreen) noexcept { void set_fullscreen(bool fullscreen) noexcept {
auto flags = SDL_GetWindowFlags(g_Window); auto flags = SDL_GetWindowFlags(g_Window);
if (fullscreen) { if (fullscreen) {

View File

@ -0,0 +1,79 @@
#include "BackendBinding.hpp"
#if defined(DAWN_ENABLE_BACKEND_OPENGL)
#include <SDL_video.h>
#include <dawn/native/OpenGLBackend.h>
#endif
namespace aurora::utils {
#if defined(DAWN_ENABLE_BACKEND_D3D12)
BackendBinding* CreateD3D12Binding(SDL_Window* window, WGPUDevice device);
#endif
#if defined(DAWN_ENABLE_BACKEND_METAL)
BackendBinding* CreateMetalBinding(SDL_Window* window, WGPUDevice device);
#endif
#if defined(DAWN_ENABLE_BACKEND_NULL)
BackendBinding* CreateNullBinding(SDL_Window* window, WGPUDevice device);
#endif
#if defined(DAWN_ENABLE_BACKEND_OPENGL)
BackendBinding* CreateOpenGLBinding(SDL_Window* window, WGPUDevice device);
#endif
#if defined(DAWN_ENABLE_BACKEND_VULKAN)
BackendBinding* CreateVulkanBinding(SDL_Window* window, WGPUDevice device);
#endif
BackendBinding::BackendBinding(SDL_Window* window, WGPUDevice device) : m_window(window), m_device(device) {}
void DiscoverAdapter(dawn::native::Instance* instance, SDL_Window* window, wgpu::BackendType type) {
if (type == wgpu::BackendType::OpenGL || type == wgpu::BackendType::OpenGLES) {
#if defined(DAWN_ENABLE_BACKEND_OPENGL)
SDL_GL_CreateContext(window);
auto getProc = reinterpret_cast<void* (*)(const char*)>(SDL_GL_GetProcAddress);
if (type == wgpu::BackendType::OpenGL) {
dawn::native::opengl::AdapterDiscoveryOptions adapterOptions;
adapterOptions.getProc = getProc;
instance->DiscoverAdapters(&adapterOptions);
} else {
dawn::native::opengl::AdapterDiscoveryOptionsES adapterOptions;
adapterOptions.getProc = getProc;
instance->DiscoverAdapters(&adapterOptions);
}
#endif
} else {
instance->DiscoverDefaultAdapters();
}
}
BackendBinding* CreateBinding(wgpu::BackendType type, SDL_Window* window, WGPUDevice device) {
switch (type) {
#if defined(DAWN_ENABLE_BACKEND_D3D12)
case wgpu::BackendType::D3D12:
return CreateD3D12Binding(window, device);
#endif
#if defined(DAWN_ENABLE_BACKEND_METAL)
case wgpu::BackendType::Metal:
return CreateMetalBinding(window, device);
#endif
#if defined(DAWN_ENABLE_BACKEND_NULL)
case wgpu::BackendType::Null:
return CreateNullBinding(window, device);
#endif
#if defined(DAWN_ENABLE_BACKEND_DESKTOP_GL)
case wgpu::BackendType::OpenGL:
return CreateOpenGLBinding(window, device);
#endif
#if defined(DAWN_ENABLE_BACKEND_OPENGLES)
case wgpu::BackendType::OpenGLES:
return CreateOpenGLBinding(window, device);
#endif
#if defined(DAWN_ENABLE_BACKEND_VULKAN)
case wgpu::BackendType::Vulkan:
return CreateVulkanBinding(window, device);
#endif
default:
return nullptr;
}
}
} // namespace aurora::utils

View File

@ -0,0 +1,27 @@
#pragma once
#include <dawn/native/DawnNative.h>
#include <dawn/webgpu_cpp.h>
struct SDL_Window;
namespace aurora::utils {
class BackendBinding {
public:
virtual ~BackendBinding() = default;
virtual uint64_t GetSwapChainImplementation() = 0;
virtual WGPUTextureFormat GetPreferredSwapChainTextureFormat() = 0;
protected:
BackendBinding(SDL_Window* window, WGPUDevice device);
SDL_Window* m_window = nullptr;
WGPUDevice m_device = nullptr;
};
void DiscoverAdapter(dawn::native::Instance* instance, SDL_Window* window, wgpu::BackendType type);
BackendBinding* CreateBinding(wgpu::BackendType type, SDL_Window* window, WGPUDevice device);
} // namespace aurora::utils

View File

@ -0,0 +1,108 @@
#include "BackendBinding.hpp"
#include <SDL_metal.h>
#include <dawn/native/MetalBackend.h>
#import <QuartzCore/CAMetalLayer.h>
template <typename T> DawnSwapChainImplementation CreateSwapChainImplementation(T *swapChain) {
DawnSwapChainImplementation impl = {};
impl.userData = swapChain;
impl.Init = [](void *userData, void *wsiContext) {
auto *ctx = static_cast<typename T::WSIContext *>(wsiContext);
reinterpret_cast<T *>(userData)->Init(ctx);
};
impl.Destroy = [](void *userData) { delete reinterpret_cast<T *>(userData); };
impl.Configure = [](void *userData, WGPUTextureFormat format, WGPUTextureUsage allowedUsage, uint32_t width,
uint32_t height) {
return static_cast<T *>(userData)->Configure(format, allowedUsage, width, height);
};
impl.GetNextTexture = [](void *userData, DawnSwapChainNextTexture *nextTexture) {
return static_cast<T *>(userData)->GetNextTexture(nextTexture);
};
impl.Present = [](void *userData) { return static_cast<T *>(userData)->Present(); };
return impl;
}
namespace aurora::utils {
class SwapChainImplMTL {
public:
using WSIContext = DawnWSIContextMetal;
explicit SwapChainImplMTL(SDL_Window *window) : m_view(SDL_Metal_CreateView(window)) {}
~SwapChainImplMTL() { SDL_Metal_DestroyView(m_view); }
void Init(DawnWSIContextMetal *ctx) {
mMtlDevice = ctx->device;
mCommandQueue = ctx->queue;
}
DawnSwapChainError Configure(WGPUTextureFormat format, WGPUTextureUsage usage, uint32_t width, uint32_t height) {
if (format != WGPUTextureFormat_BGRA8Unorm) {
return "unsupported format";
}
assert(width > 0);
assert(height > 0);
CGSize size = {};
size.width = width;
size.height = height;
mLayer = (__bridge CAMetalLayer *)(SDL_Metal_GetLayer(m_view));
[mLayer setDevice:mMtlDevice];
[mLayer setPixelFormat:MTLPixelFormatBGRA8Unorm];
[mLayer setDrawableSize:size];
constexpr uint32_t kFramebufferOnlyTextureUsages = WGPUTextureUsage_RenderAttachment | WGPUTextureUsage_Present;
bool hasOnlyFramebufferUsages = (usage & (~kFramebufferOnlyTextureUsages)) == 0u;
if (hasOnlyFramebufferUsages) {
[mLayer setFramebufferOnly:YES];
}
return DAWN_SWAP_CHAIN_NO_ERROR;
}
DawnSwapChainError GetNextTexture(DawnSwapChainNextTexture *nextTexture) {
mCurrentDrawable = [mLayer nextDrawable];
mCurrentTexture = mCurrentDrawable.texture;
nextTexture->texture.ptr = (__bridge void *)(mCurrentTexture);
return DAWN_SWAP_CHAIN_NO_ERROR;
}
DawnSwapChainError Present() {
id<MTLCommandBuffer> commandBuffer = [mCommandQueue commandBuffer];
[commandBuffer presentDrawable:mCurrentDrawable];
[commandBuffer commit];
return DAWN_SWAP_CHAIN_NO_ERROR;
}
private:
SDL_MetalView m_view = nil;
id<MTLDevice> mMtlDevice = nil;
id<MTLCommandQueue> mCommandQueue = nil;
CAMetalLayer *mLayer = nullptr;
id<CAMetalDrawable> mCurrentDrawable = nil;
id<MTLTexture> mCurrentTexture = nil;
};
class MetalBinding : public BackendBinding {
public:
MetalBinding(SDL_Window *window, WGPUDevice device) : BackendBinding(window, device) {}
uint64_t GetSwapChainImplementation() override {
if (m_swapChainImpl.userData == nullptr) {
m_swapChainImpl = CreateSwapChainImplementation(new SwapChainImplMTL(m_window));
}
return reinterpret_cast<uint64_t>(&m_swapChainImpl);
}
WGPUTextureFormat GetPreferredSwapChainTextureFormat() override { return WGPUTextureFormat_BGRA8Unorm; }
private:
DawnSwapChainImplementation m_swapChainImpl{};
};
BackendBinding *CreateMetalBinding(SDL_Window *window, WGPUDevice device) { return new MetalBinding(window, device); }
} // namespace aurora::utils

View File

@ -0,0 +1,28 @@
#include "BackendBinding.hpp"
#include <SDL_video.h>
#include <dawn/native/OpenGLBackend.h>
namespace aurora::utils {
class OpenGLBinding : public BackendBinding {
public:
OpenGLBinding(SDL_Window* window, WGPUDevice device) : BackendBinding(window, device) {}
uint64_t GetSwapChainImplementation() override {
if (m_swapChainImpl.userData == nullptr) {
m_swapChainImpl = dawn::native::opengl::CreateNativeSwapChainImpl(
m_device, [](void* userdata) { SDL_GL_SwapWindow(static_cast<SDL_Window*>(userdata)); }, m_window);
}
return reinterpret_cast<uint64_t>(&m_swapChainImpl);
}
WGPUTextureFormat GetPreferredSwapChainTextureFormat() override {
return dawn::native::opengl::GetNativeSwapChainPreferredFormat(&m_swapChainImpl);
}
private:
DawnSwapChainImplementation m_swapChainImpl{};
};
BackendBinding* CreateOpenGLBinding(SDL_Window* window, WGPUDevice device) { return new OpenGLBinding(window, device); }
} // namespace aurora::utils

View File

@ -0,0 +1,33 @@
#include "BackendBinding.hpp"
#include <SDL_vulkan.h>
#include <cassert>
#include <dawn/native/VulkanBackend.h>
namespace aurora::utils {
class VulkanBinding : public BackendBinding {
public:
VulkanBinding(SDL_Window* window, WGPUDevice device) : BackendBinding(window, device) {}
uint64_t GetSwapChainImplementation() override {
if (m_swapChainImpl.userData == nullptr) {
VkSurfaceKHR surface = VK_NULL_HANDLE;
if (SDL_Vulkan_CreateSurface(m_window, dawn::native::vulkan::GetInstance(m_device), &surface) != SDL_TRUE) {
assert(false);
}
m_swapChainImpl = dawn::native::vulkan::CreateNativeSwapChainImpl(m_device, surface);
}
return reinterpret_cast<uint64_t>(&m_swapChainImpl);
}
WGPUTextureFormat GetPreferredSwapChainTextureFormat() override {
assert(m_swapChainImpl.userData != nullptr);
return dawn::native::vulkan::GetNativeSwapChainPreferredFormat(&m_swapChainImpl);
}
private:
DawnSwapChainImplementation m_swapChainImpl{};
};
BackendBinding* CreateVulkanBinding(SDL_Window* window, WGPUDevice device) { return new VulkanBinding(window, device); }
} // namespace aurora::utils