96 lines
2.6 KiB
C++
96 lines
2.6 KiB
C++
/*
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* Copyright 2022 Google LLC
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "tools/sk_app/GraphiteDawnWindowContext.h"
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#include "tools/sk_app/win/WindowContextFactory_win.h"
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using sk_app::DisplayParams;
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using sk_app::GraphiteDawnWindowContext;
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namespace {
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class GraphiteDawnD3D12WindowContext_win : public GraphiteDawnWindowContext {
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public:
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GraphiteDawnD3D12WindowContext_win(HWND hwnd, const DisplayParams& params);
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~GraphiteDawnD3D12WindowContext_win() override;
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bool onInitializeContext() override;
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void onDestroyContext() override;
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void onSwapBuffers() override;
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void resize(int w, int h) override;
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private:
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HWND fWindow;
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using INHERITED = GraphiteDawnWindowContext;
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};
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GraphiteDawnD3D12WindowContext_win::GraphiteDawnD3D12WindowContext_win(HWND hwnd,
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const DisplayParams& params)
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: INHERITED(params, wgpu::TextureFormat::BGRA8Unorm), fWindow(hwnd) {
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RECT rect;
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GetClientRect(hwnd, &rect);
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this->initializeContext(rect.right - rect.left, rect.bottom - rect.top);
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}
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GraphiteDawnD3D12WindowContext_win::~GraphiteDawnD3D12WindowContext_win() {
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this->destroyContext();
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}
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bool GraphiteDawnD3D12WindowContext_win::onInitializeContext() {
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SkASSERT(!!fWindow);
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auto device = this->createDevice(wgpu::BackendType::D3D12);
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if (!device) {
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SkASSERT(device);
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return false;
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}
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wgpu::SurfaceDescriptorFromWindowsHWND surfaceChainedDesc;
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surfaceChainedDesc.hwnd = fWindow;
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surfaceChainedDesc.hinstance = GetModuleHandle(nullptr);
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wgpu::SurfaceDescriptor surfaceDesc;
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surfaceDesc.nextInChain = &surfaceChainedDesc;
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auto surface = wgpu::Instance(fInstance->Get()).CreateSurface(&surfaceDesc);
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if (!surface) {
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SkASSERT(false);
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return false;
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}
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fDevice = std::move(device);
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fSurface = std::move(surface);
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fSwapChain = this->createSwapChain();
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return true;
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}
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void GraphiteDawnD3D12WindowContext_win::onDestroyContext() {}
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void GraphiteDawnD3D12WindowContext_win::onSwapBuffers() {}
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void GraphiteDawnD3D12WindowContext_win::resize(int w, int h) {
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fSwapChain = this->createSwapChain();
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}
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} // anonymous namespace
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namespace sk_app {
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namespace window_context_factory {
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std::unique_ptr<WindowContext> MakeGraphiteDawnD3D12ForWin(HWND hwnd, const DisplayParams& params) {
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std::unique_ptr<WindowContext> ctx(new GraphiteDawnD3D12WindowContext_win(hwnd, params));
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if (!ctx->isValid()) {
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return nullptr;
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}
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return ctx;
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}
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} // namespace window_context_factory
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} // namespace sk_app
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