2 * Copyright (C) 2011 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
19 #include <sys/types.h>
21 #include <utils/Errors.h>
24 #include "SurfaceTextureLayer.h"
27 // ---------------------------------------------------------------------------
30 SurfaceTextureLayer::SurfaceTextureLayer(GLuint tex, const sp<Layer>& layer)
31 : SurfaceTexture(tex, true, GL_TEXTURE_EXTERNAL_OES, false), mLayer(layer) {
34 SurfaceTextureLayer::~SurfaceTextureLayer() {
38 status_t SurfaceTextureLayer::setDefaultBufferSize(uint32_t w, uint32_t h)
40 //ALOGD("%s, w=%u, h=%u", __PRETTY_FUNCTION__, w, h);
41 return SurfaceTexture::setDefaultBufferSize(w, h);
44 status_t SurfaceTextureLayer::setDefaultBufferFormat(uint32_t format)
46 mDefaultFormat = format;
50 status_t SurfaceTextureLayer::setBufferCount(int bufferCount) {
51 status_t res = SurfaceTexture::setBufferCount(bufferCount);
55 status_t SurfaceTextureLayer::queueBuffer(int buf, int64_t timestamp,
56 uint32_t* outWidth, uint32_t* outHeight, uint32_t* outTransform) {
58 status_t res = SurfaceTexture::queueBuffer(buf, timestamp,
59 outWidth, outHeight, outTransform);
60 sp<Layer> layer(mLayer.promote());
62 *outTransform = layer->getTransformHint();
67 status_t SurfaceTextureLayer::dequeueBuffer(int *buf,
68 uint32_t w, uint32_t h, uint32_t format, uint32_t usage) {
70 status_t res(NO_INIT);
71 sp<Layer> layer(mLayer.promote());
74 format = mDefaultFormat;
75 uint32_t effectiveUsage = layer->getEffectiveUsage(usage);
76 //ALOGD("%s, w=%u, h=%u, format=%u, usage=%08x, effectiveUsage=%08x",
77 // __PRETTY_FUNCTION__, w, h, format, usage, effectiveUsage);
78 res = SurfaceTexture::dequeueBuffer(buf, w, h, format, effectiveUsage);
83 status_t SurfaceTextureLayer::connect(int api,
84 uint32_t* outWidth, uint32_t* outHeight, uint32_t* outTransform) {
85 status_t err = SurfaceTexture::connect(api,
86 outWidth, outHeight, outTransform);
87 if (err == NO_ERROR) {
88 sp<Layer> layer(mLayer.promote());
90 uint32_t orientation = layer->getOrientation();
91 if (orientation & Transform::ROT_INVALID) {
94 *outTransform = orientation;
97 case NATIVE_WINDOW_API_MEDIA:
98 case NATIVE_WINDOW_API_CAMERA:
99 // Camera preview and videos are rate-limited on the producer
100 // side. If enabled for this build, we use async mode to always
101 // show the most recent frame at the cost of requiring an
102 // additional buffer.
103 #ifndef NEVER_DEFAULT_TO_ASYNC_MODE
104 err = setSynchronousMode(false);
107 // fall through to set synchronous mode when not defaulting to
110 err = setSynchronousMode(true);
113 if (err != NO_ERROR) {
120 // ---------------------------------------------------------------------------
121 }; // namespace android