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The Metal context/surface code was only in the `flutter` namespace but should have been in `flutter::testing` for consistency with everything else in the `testing` directory. Also squashes the declarations in the rest of that directory to match the style guide while I've got the macro still handy. [C++, Objective-C, Java style guides]: https://github.com/flutter/engine/blob/main/CONTRIBUTING.md#style
125 lines
4.2 KiB
Plaintext
125 lines
4.2 KiB
Plaintext
// Copyright 2013 The Flutter Authors. All rights reserved.
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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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#include "flutter/testing/test_metal_surface_impl.h"
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#include <Metal/Metal.h>
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#include "flutter/fml/logging.h"
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#include "flutter/testing/test_metal_context.h"
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#include "third_party/skia/include/core/SkCanvas.h"
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#include "third_party/skia/include/core/SkColorSpace.h"
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#include "third_party/skia/include/core/SkImage.h"
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#include "third_party/skia/include/core/SkRefCnt.h"
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#include "third_party/skia/include/core/SkSize.h"
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#include "third_party/skia/include/core/SkSurface.h"
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#include "third_party/skia/include/gpu/GpuTypes.h"
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#include "third_party/skia/include/gpu/ganesh/GrBackendSurface.h"
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#include "third_party/skia/include/gpu/ganesh/SkSurfaceGanesh.h"
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#include "third_party/skia/include/gpu/ganesh/mtl/GrMtlBackendSurface.h"
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#include "third_party/skia/include/gpu/ganesh/mtl/GrMtlTypes.h"
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static_assert(__has_feature(objc_arc), "ARC must be enabled.");
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namespace flutter::testing {
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void TestMetalSurfaceImpl::Init(const TestMetalContext::TextureInfo& texture_info,
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const SkISize& surface_size) {
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id<MTLTexture> texture = (__bridge id<MTLTexture>)texture_info.texture;
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GrMtlTextureInfo skia_texture_info;
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skia_texture_info.fTexture.retain((__bridge GrMTLHandle)texture);
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GrBackendTexture backend_texture = GrBackendTextures::MakeMtl(
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surface_size.width(), surface_size.height(), skgpu::Mipmapped::kNo, skia_texture_info);
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sk_sp<SkSurface> surface = SkSurfaces::WrapBackendTexture(
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test_metal_context_.GetSkiaContext().get(), backend_texture, kTopLeft_GrSurfaceOrigin, 1,
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kBGRA_8888_SkColorType, nullptr, nullptr);
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if (!surface) {
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FML_LOG(ERROR) << "Could not create Skia surface from a Metal texture.";
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return;
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}
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surface_ = std::move(surface);
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texture_info_ = texture_info;
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is_valid_ = true;
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}
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TestMetalSurfaceImpl::TestMetalSurfaceImpl(const TestMetalContext& test_metal_context,
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int64_t texture_id,
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const SkISize& surface_size)
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: test_metal_context_(test_metal_context) {
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TestMetalContext::TextureInfo texture_info =
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const_cast<TestMetalContext&>(test_metal_context_).GetTextureInfo(texture_id);
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Init(texture_info, surface_size);
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}
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TestMetalSurfaceImpl::TestMetalSurfaceImpl(const TestMetalContext& test_metal_context,
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const SkISize& surface_size)
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: test_metal_context_(test_metal_context) {
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if (surface_size.isEmpty()) {
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FML_LOG(ERROR) << "Size of test Metal surface was empty.";
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return;
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}
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TestMetalContext::TextureInfo texture_info =
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const_cast<TestMetalContext&>(test_metal_context_).CreateMetalTexture(surface_size);
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Init(texture_info, surface_size);
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}
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sk_sp<SkImage> TestMetalSurfaceImpl::GetRasterSurfaceSnapshot() {
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if (!IsValid()) {
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return nullptr;
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}
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if (!surface_) {
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FML_LOG(ERROR) << "Aborting snapshot because of on-screen surface "
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"acquisition failure.";
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return nullptr;
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}
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auto device_snapshot = surface_->makeImageSnapshot();
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if (!device_snapshot) {
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FML_LOG(ERROR) << "Could not create the device snapshot while attempting "
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"to snapshot the Metal surface.";
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return nullptr;
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}
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auto host_snapshot = device_snapshot->makeRasterImage();
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if (!host_snapshot) {
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FML_LOG(ERROR) << "Could not create the host snapshot while attempting to "
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"snapshot the Metal surface.";
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return nullptr;
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}
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return host_snapshot;
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}
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// |TestMetalSurface|
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TestMetalSurfaceImpl::~TestMetalSurfaceImpl() = default;
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// |TestMetalSurface|
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bool TestMetalSurfaceImpl::IsValid() const {
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return is_valid_;
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}
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// |TestMetalSurface|
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sk_sp<GrDirectContext> TestMetalSurfaceImpl::GetGrContext() const {
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return IsValid() ? test_metal_context_.GetSkiaContext() : nullptr;
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}
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// |TestMetalSurface|
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sk_sp<SkSurface> TestMetalSurfaceImpl::GetSurface() const {
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return IsValid() ? surface_ : nullptr;
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}
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// |TestMetalSurface|
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TestMetalContext::TextureInfo TestMetalSurfaceImpl::GetTextureInfo() {
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return IsValid() ? texture_info_ : TestMetalContext::TextureInfo();
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}
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} // namespace flutter::testing
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