1 /*
2 * Copyright 2021 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <common/trace.h>
18 #include <log/log.h>
19 #include <renderengine/RenderEngine.h>
20 #include <renderengine/impl/ExternalTexture.h>
21 #include <ui/GraphicBuffer.h>
22
23 namespace android::renderengine::impl {
24
ExternalTexture(const sp<GraphicBuffer> & buffer,renderengine::RenderEngine & renderEngine,uint32_t usage)25 ExternalTexture::ExternalTexture(const sp<GraphicBuffer>& buffer,
26 renderengine::RenderEngine& renderEngine, uint32_t usage)
27 : mBuffer(buffer), mRenderEngine(renderEngine), mWritable(usage & WRITEABLE) {
28 LOG_ALWAYS_FATAL_IF(buffer == nullptr,
29 "Attempted to bind a null buffer to an external texture!");
30 mRenderEngine.mapExternalTextureBuffer(mBuffer, mWritable);
31 }
32
~ExternalTexture()33 ExternalTexture::~ExternalTexture() {
34 mRenderEngine.unmapExternalTextureBuffer(std::move(mBuffer));
35 }
36
remapBuffer()37 void ExternalTexture::remapBuffer() {
38 SFTRACE_CALL();
39 {
40 auto buf = mBuffer;
41 mRenderEngine.unmapExternalTextureBuffer(std::move(buf));
42 }
43 mRenderEngine.mapExternalTextureBuffer(mBuffer, mWritable);
44 }
45
46 } // namespace android::renderengine::impl
47