blob: b29c27ddee057d18d364a115ca56417ac8927056 [file] [log] [blame]
// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "flutter/testing/test_metal_surface_impl.h"
#include <Metal/Metal.h>
#include "flutter/fml/logging.h"
#include "flutter/fml/platform/darwin/scoped_nsobject.h"
#include "flutter/testing/test_metal_context.h"
#include "third_party/skia/include/core/SkCanvas.h"
#include "third_party/skia/include/core/SkColorSpace.h"
#include "third_party/skia/include/core/SkImage.h"
#include "third_party/skia/include/core/SkRefCnt.h"
#include "third_party/skia/include/core/SkSize.h"
#include "third_party/skia/include/core/SkSurface.h"
namespace flutter {
void TestMetalSurfaceImpl::Init(const TestMetalContext::TextureInfo& texture_info,
const SkISize& surface_size) {
id<MTLTexture> texture = (__bridge id<MTLTexture>)texture_info.texture;
GrMtlTextureInfo skia_texture_info;
skia_texture_info.fTexture.reset([texture retain]);
GrBackendTexture backend_texture(surface_size.width(), surface_size.height(), GrMipmapped::kNo,
skia_texture_info);
sk_sp<SkSurface> surface = SkSurface::MakeFromBackendTexture(
test_metal_context_.GetSkiaContext().get(), backend_texture, kTopLeft_GrSurfaceOrigin, 1,
kBGRA_8888_SkColorType, nullptr, nullptr);
if (!surface) {
FML_LOG(ERROR) << "Could not create Skia surface from a Metal texture.";
return;
}
surface_ = std::move(surface);
texture_info_ = std::move(texture_info);
is_valid_ = true;
}
TestMetalSurfaceImpl::TestMetalSurfaceImpl(const TestMetalContext& test_metal_context,
int64_t texture_id,
const SkISize& surface_size)
: test_metal_context_(test_metal_context) {
TestMetalContext::TextureInfo texture_info =
const_cast<TestMetalContext&>(test_metal_context_).GetTextureInfo(texture_id);
Init(texture_info, surface_size);
}
TestMetalSurfaceImpl::TestMetalSurfaceImpl(const TestMetalContext& test_metal_context,
const SkISize& surface_size)
: test_metal_context_(test_metal_context) {
if (surface_size.isEmpty()) {
FML_LOG(ERROR) << "Size of test Metal surface was empty.";
return;
}
TestMetalContext::TextureInfo texture_info =
const_cast<TestMetalContext&>(test_metal_context_).CreateMetalTexture(surface_size);
Init(texture_info, surface_size);
}
sk_sp<SkImage> TestMetalSurfaceImpl::GetRasterSurfaceSnapshot() {
if (!IsValid()) {
return nullptr;
}
if (!surface_) {
FML_LOG(ERROR) << "Aborting snapshot because of on-screen surface "
"acquisition failure.";
return nullptr;
}
auto device_snapshot = surface_->makeImageSnapshot();
if (!device_snapshot) {
FML_LOG(ERROR) << "Could not create the device snapshot while attempting "
"to snapshot the Metal surface.";
return nullptr;
}
auto host_snapshot = device_snapshot->makeRasterImage();
if (!host_snapshot) {
FML_LOG(ERROR) << "Could not create the host snapshot while attempting to "
"snapshot the Metal surface.";
return nullptr;
}
return host_snapshot;
}
// |TestMetalSurface|
TestMetalSurfaceImpl::~TestMetalSurfaceImpl() = default;
// |TestMetalSurface|
bool TestMetalSurfaceImpl::IsValid() const {
return is_valid_;
}
// |TestMetalSurface|
sk_sp<GrDirectContext> TestMetalSurfaceImpl::GetGrContext() const {
return IsValid() ? test_metal_context_.GetSkiaContext() : nullptr;
}
// |TestMetalSurface|
sk_sp<SkSurface> TestMetalSurfaceImpl::GetSurface() const {
return IsValid() ? surface_ : nullptr;
}
// |TestMetalSurface|
TestMetalContext::TextureInfo TestMetalSurfaceImpl::GetTextureInfo() {
return IsValid() ? texture_info_ : TestMetalContext::TextureInfo();
}
} // namespace flutter