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/*
* Copyright (C) 2011 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 <stdlib.h>
#include <stdint.h>
#include <sys/types.h>
#include <utils/Errors.h>
#include "Layer.h"
#include "SurfaceTextureLayer.h"
namespace android {
// ---------------------------------------------------------------------------
SurfaceTextureLayer::SurfaceTextureLayer(GLuint tex, const sp<Layer>& layer)
: SurfaceTexture(tex, true, GL_TEXTURE_EXTERNAL_OES, false), mLayer(layer) {
}
SurfaceTextureLayer::~SurfaceTextureLayer() {
}
status_t SurfaceTextureLayer::setDefaultBufferSize(uint32_t w, uint32_t h)
{
//LOGD("%s, w=%u, h=%u", __PRETTY_FUNCTION__, w, h);
return SurfaceTexture::setDefaultBufferSize(w, h);
}
status_t SurfaceTextureLayer::setDefaultBufferFormat(uint32_t format)
{
mDefaultFormat = format;
return NO_ERROR;
}
status_t SurfaceTextureLayer::setBufferCount(int bufferCount) {
status_t res = SurfaceTexture::setBufferCount(bufferCount);
return res;
}
#ifdef QCOM_HARDWARE
int SurfaceTextureLayer::query(int what, int* value) {
int ret = SurfaceTexture::query(what, value);
sp<Layer> layer(mLayer.promote());
if (layer == NULL) return NO_INIT;
switch (what) {
case NATIVE_WINDOW_TRANSFORM_HINT:
*value = layer->getTransformHint();
ret = NO_ERROR;
break;
default:
// for later use
break;
}
return ret;
}
#endif
status_t SurfaceTextureLayer::queueBuffer(int buf, int64_t timestamp,
uint32_t* outWidth, uint32_t* outHeight, uint32_t* outTransform) {
status_t res = SurfaceTexture::queueBuffer(buf, timestamp,
outWidth, outHeight, outTransform);
sp<Layer> layer(mLayer.promote());
if (layer != NULL) {
*outTransform = layer->getTransformHint();
}
return res;
}
status_t SurfaceTextureLayer::dequeueBuffer(int *buf,
uint32_t w, uint32_t h, uint32_t format, uint32_t usage) {
status_t res(NO_INIT);
sp<Layer> layer(mLayer.promote());
if (layer != NULL) {
if (format == 0)
format = mDefaultFormat;
uint32_t effectiveUsage = layer->getEffectiveUsage(usage);
//LOGD("%s, w=%u, h=%u, format=%u, usage=%08x, effectiveUsage=%08x",
// __PRETTY_FUNCTION__, w, h, format, usage, effectiveUsage);
res = SurfaceTexture::dequeueBuffer(buf, w, h, format, effectiveUsage);
}
return res;
}
status_t SurfaceTextureLayer::connect(int api,
uint32_t* outWidth, uint32_t* outHeight, uint32_t* outTransform) {
status_t err = SurfaceTexture::connect(api,
outWidth, outHeight, outTransform);
if (err == NO_ERROR) {
sp<Layer> layer(mLayer.promote());
if (layer != NULL) {
uint32_t orientation = layer->getOrientation();
if (orientation & Transform::ROT_INVALID) {
orientation = 0;
}
*outTransform = orientation;
}
switch(api) {
case NATIVE_WINDOW_API_MEDIA:
case NATIVE_WINDOW_API_CAMERA:
// Camera preview and videos are rate-limited on the producer
// side. If enabled for this build, we use async mode to always
// show the most recent frame at the cost of requiring an
// additional buffer.
#ifndef NEVER_DEFAULT_TO_ASYNC_MODE
err = setSynchronousMode(false);
break;
#endif
// fall through to set synchronous mode when not defaulting to
// async mode.
default:
err = setSynchronousMode(true);
break;
}
if (err != NO_ERROR) {
disconnect(api);
}
}
return err;
}
// ---------------------------------------------------------------------------
}; // namespace android
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