3cc8d4fb7f
The new webgpu_cpp.h hotness for native apps brings with it a new namespace: wgpu. This is a straight substitution. Note: no Skia API changes. Change-Id: I12b26417e76838cd8fa2b39b8161cbaa2cd8fa78 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/251660 Commit-Queue: Stephen White <senorblanco@chromium.org> Commit-Queue: Mike Klein <mtklein@google.com> Reviewed-by: Mike Klein <mtklein@google.com>
127 lines
4.2 KiB
C++
127 lines
4.2 KiB
C++
/*
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* Copyright 2019 Google Inc.
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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 "include/core/SkSurface.h"
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#include "include/gpu/GrBackendSurface.h"
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#include "include/gpu/GrContext.h"
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#include "src/core/SkAutoMalloc.h"
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#include "tools/sk_app/DawnWindowContext.h"
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#include "dawn/dawn_proc.h"
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static wgpu::TextureUsage kUsage = wgpu::TextureUsage::OutputAttachment |
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wgpu::TextureUsage::CopySrc;
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static void PrintDeviceError(DawnErrorType, const char* message, void*) {
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printf("Device error: %s\n", message);
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SkASSERT(false);
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}
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namespace sk_app {
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DawnWindowContext::DawnWindowContext(const DisplayParams& params,
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wgpu::TextureFormat swapChainFormat)
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: WindowContext(params)
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, fSwapChainFormat(swapChainFormat)
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, fInstance(std::make_unique<dawn_native::Instance>()) {
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}
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void DawnWindowContext::initializeContext(int width, int height) {
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fWidth = width;
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fHeight = height;
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fDevice = onInitializeContext();
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fContext = GrContext::MakeDawn(fDevice, fDisplayParams.fGrContextOptions);
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if (!fContext) {
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return;
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}
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fSwapChainImplementation = this->createSwapChainImplementation(-1, -1, fDisplayParams);
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wgpu::SwapChainDescriptor swapChainDesc;
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swapChainDesc.implementation = reinterpret_cast<int64_t>(&fSwapChainImplementation);
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fSwapChain = fDevice.CreateSwapChain(&swapChainDesc);
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if (!fSwapChain) {
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fContext.reset();
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return;
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}
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fSwapChain.Configure(fSwapChainFormat, kUsage, width, height);
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fDevice.SetUncapturedErrorCallback(PrintDeviceError, 0);
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}
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DawnWindowContext::~DawnWindowContext() {
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}
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void DawnWindowContext::destroyContext() {
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if (!fDevice.Get()) {
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return;
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}
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this->onDestroyContext();
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fContext.reset();
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fDevice = nullptr;
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}
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sk_sp<SkSurface> DawnWindowContext::getBackbufferSurface() {
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GrDawnImageInfo imageInfo;
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imageInfo.fTexture = fSwapChain.GetNextTexture();
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imageInfo.fFormat = fSwapChainFormat;
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imageInfo.fLevelCount = 1; // FIXME
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GrBackendTexture backendTexture(fWidth, fHeight, imageInfo);
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fSurface = SkSurface::MakeFromBackendTextureAsRenderTarget(fContext.get(),
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backendTexture,
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this->getRTOrigin(),
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fDisplayParams.fMSAASampleCount,
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fDisplayParams.fColorType,
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fDisplayParams.fColorSpace,
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&fDisplayParams.fSurfaceProps);
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return fSurface;
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}
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void DawnWindowContext::swapBuffers() {
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GrBackendRenderTarget backendRT = fSurface->getBackendRenderTarget(
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SkSurface::kFlushRead_BackendHandleAccess);
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GrDawnImageInfo imageInfo;
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SkAssertResult(backendRT.getDawnImageInfo(&imageInfo));
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fSwapChain.Present(imageInfo.fTexture);
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this->onSwapBuffers();
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}
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void DawnWindowContext::resize(int w, int h) {
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fWidth = w;
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fHeight = h;
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fSwapChainImplementation = this->createSwapChainImplementation(w, h, fDisplayParams);
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wgpu::SwapChainDescriptor swapChainDesc;
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swapChainDesc.implementation = reinterpret_cast<int64_t>(&fSwapChainImplementation);
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fSwapChain = fDevice.CreateSwapChain(&swapChainDesc);
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if (!fSwapChain) {
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fContext.reset();
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return;
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}
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fSwapChain.Configure(fSwapChainFormat, kUsage, fWidth, fHeight);
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}
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void DawnWindowContext::setDisplayParams(const DisplayParams& params) {
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fDisplayParams = params;
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}
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wgpu::Device DawnWindowContext::createDevice(dawn_native::BackendType type) {
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fInstance->DiscoverDefaultAdapters();
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DawnProcTable backendProcs = dawn_native::GetProcs();
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dawnProcSetProcs(&backendProcs);
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std::vector<dawn_native::Adapter> adapters = fInstance->GetAdapters();
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for (dawn_native::Adapter adapter : adapters) {
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if (adapter.GetBackendType() == type) {
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return adapter.CreateDevice();
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}
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}
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return nullptr;
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}
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} //namespace sk_app
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