diff options
author | 2020-02-03 16:34:50 -0800 | |
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committer | 2020-02-03 18:54:29 -0800 | |
commit | ab614c44c72fb1bb5f6e377867e73dea079de097 (patch) | |
tree | c05906aac282e694c39e2e39052708ea786d19c2 /libs/bufferqueueconverter/BufferQueueConverter.cpp | |
parent | e1dd30a3d0d0fd92123fbd044dab18d592a66715 (diff) |
Add BufferQueueConverter library
This library provides APIs to get ANativeWindow from
IGraphicBufferProducer.
Bug: 146567078
Bug: 147553536
Test: VtsHalEvsV1_1TargetTest
Change-Id: Ibc6e3a137642db9d4e7120bfff1c6e3e2c80380e
Signed-off-by: Changyeon Jo <changyeon@google.com>
Diffstat (limited to 'libs/bufferqueueconverter/BufferQueueConverter.cpp')
-rw-r--r-- | libs/bufferqueueconverter/BufferQueueConverter.cpp | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/libs/bufferqueueconverter/BufferQueueConverter.cpp b/libs/bufferqueueconverter/BufferQueueConverter.cpp new file mode 100644 index 0000000000..b1896fab6f --- /dev/null +++ b/libs/bufferqueueconverter/BufferQueueConverter.cpp @@ -0,0 +1,74 @@ +/* + * Copyright 2020 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include <gui/Surface.h> +#include <gui/bufferqueue/2.0/H2BGraphicBufferProducer.h> + +#include "include/bufferqueueconverter/BufferQueueConverter.h" + + +using ::android::Surface; +using ::android::IGraphicBufferProducer; +using ::android::hardware::graphics::bufferqueue::V2_0::utils::H2BGraphicBufferProducer; + + +namespace android { + +struct SurfaceHolder { + sp<Surface> surface; + SurfaceHolder(const sp<Surface>& s) : surface(s) {} +}; + +/** + * Custom deleter for SurfaceHolder unique pointer + */ +void destroySurfaceHolder(SurfaceHolder* surfaceHolder) { + delete surfaceHolder; +} + + +SurfaceHolderUniquePtr getSurfaceFromHGBP(const sp<HGraphicBufferProducer>& token) { + if (token == nullptr) { + ALOGE("Passed IGraphicBufferProducer handle is invalid."); + return SurfaceHolderUniquePtr(nullptr, nullptr); + } + + sp<IGraphicBufferProducer> bufferProducer = new H2BGraphicBufferProducer(token); + if (bufferProducer == nullptr) { + ALOGE("Failed to get IGraphicBufferProducer."); + return SurfaceHolderUniquePtr(nullptr, nullptr); + } + + sp<Surface> newSurface(new Surface(bufferProducer, true)); + if (newSurface == nullptr) { + ALOGE("Failed to create Surface from HGBP."); + return SurfaceHolderUniquePtr(nullptr, nullptr); + } + + return SurfaceHolderUniquePtr(new SurfaceHolder(newSurface), destroySurfaceHolder); +} + + +ANativeWindow* getNativeWindow(SurfaceHolder* handle) { + if (handle == nullptr) { + ALOGE("SurfaceHolder is invalid."); + return nullptr; + } + + return static_cast<ANativeWindow*>(handle->surface.get()); +} + +} // namespace android |