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 <renderengine/ExternalTexture.h>
18 #include <renderengine/RenderEngine.h>
19 #include <ui/GraphicBuffer.h>
20
21 #include "log/log_main.h"
22
23 namespace android::renderengine {
24
ExternalTexture(const sp<GraphicBuffer> & buffer,RenderEngine & renderEngine,uint32_t usage)25 ExternalTexture::ExternalTexture(const sp<GraphicBuffer>& buffer, RenderEngine& renderEngine,
26 uint32_t usage)
27 : mBuffer(buffer), mRenderEngine(renderEngine) {
28 LOG_ALWAYS_FATAL_IF(buffer == nullptr,
29 "Attempted to bind a null buffer to an external texture!");
30 // GLESRenderEngine has a separate texture cache for output buffers,
31 if (usage == Usage::WRITEABLE &&
32 (mRenderEngine.getRenderEngineType() == RenderEngine::RenderEngineType::GLES ||
33 mRenderEngine.getRenderEngineType() == RenderEngine::RenderEngineType::THREADED)) {
34 return;
35 }
36 mRenderEngine.mapExternalTextureBuffer(mBuffer, usage & Usage::WRITEABLE);
37 }
38
~ExternalTexture()39 ExternalTexture::~ExternalTexture() {
40 mRenderEngine.unmapExternalTextureBuffer(mBuffer);
41 }
42
43 } // namespace android::renderengine
44