410 lines
12 KiB
C++
410 lines
12 KiB
C++
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "SurfaceTextureClient"
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//#define LOG_NDEBUG 0
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#include <gui/SurfaceTextureClient.h>
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#include <utils/Log.h>
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namespace android {
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SurfaceTextureClient::SurfaceTextureClient(
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const sp<ISurfaceTexture>& surfaceTexture):
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mSurfaceTexture(surfaceTexture), mAllocator(0), mReqWidth(0),
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mReqHeight(0), mReqFormat(0), mReqUsage(0),
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mTimestamp(NATIVE_WINDOW_TIMESTAMP_AUTO), mConnectedApi(0),
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mQueryWidth(0), mQueryHeight(0), mQueryFormat(0),
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mMutex() {
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// Initialize the ANativeWindow function pointers.
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ANativeWindow::setSwapInterval = setSwapInterval;
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ANativeWindow::dequeueBuffer = dequeueBuffer;
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ANativeWindow::cancelBuffer = cancelBuffer;
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ANativeWindow::lockBuffer = lockBuffer;
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ANativeWindow::queueBuffer = queueBuffer;
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ANativeWindow::query = query;
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ANativeWindow::perform = perform;
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const_cast<int&>(ANativeWindow::minSwapInterval) = 0;
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const_cast<int&>(ANativeWindow::maxSwapInterval) = 1;
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// Get a reference to the allocator.
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mAllocator = mSurfaceTexture->getAllocator();
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}
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sp<ISurfaceTexture> SurfaceTextureClient::getISurfaceTexture() const {
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return mSurfaceTexture;
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}
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int SurfaceTextureClient::setSwapInterval(ANativeWindow* window, int interval) {
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SurfaceTextureClient* c = getSelf(window);
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return c->setSwapInterval(interval);
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}
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int SurfaceTextureClient::dequeueBuffer(ANativeWindow* window,
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ANativeWindowBuffer** buffer) {
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SurfaceTextureClient* c = getSelf(window);
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return c->dequeueBuffer(buffer);
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}
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int SurfaceTextureClient::cancelBuffer(ANativeWindow* window,
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ANativeWindowBuffer* buffer) {
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SurfaceTextureClient* c = getSelf(window);
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return c->cancelBuffer(buffer);
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}
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int SurfaceTextureClient::lockBuffer(ANativeWindow* window,
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ANativeWindowBuffer* buffer) {
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SurfaceTextureClient* c = getSelf(window);
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return c->lockBuffer(buffer);
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}
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int SurfaceTextureClient::queueBuffer(ANativeWindow* window,
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ANativeWindowBuffer* buffer) {
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SurfaceTextureClient* c = getSelf(window);
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return c->queueBuffer(buffer);
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}
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int SurfaceTextureClient::query(const ANativeWindow* window,
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int what, int* value) {
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const SurfaceTextureClient* c = getSelf(window);
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return c->query(what, value);
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}
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int SurfaceTextureClient::perform(ANativeWindow* window, int operation, ...) {
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va_list args;
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va_start(args, operation);
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SurfaceTextureClient* c = getSelf(window);
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return c->perform(operation, args);
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}
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int SurfaceTextureClient::setSwapInterval(int interval) {
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// EGL specification states:
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// interval is silently clamped to minimum and maximum implementation
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// dependent values before being stored.
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// Although we don't have to, we apply the same logic here.
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if (interval < minSwapInterval)
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interval = minSwapInterval;
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if (interval > maxSwapInterval)
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interval = maxSwapInterval;
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status_t res = mSurfaceTexture->setSynchronousMode(interval ? true : false);
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return res;
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}
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int SurfaceTextureClient::dequeueBuffer(android_native_buffer_t** buffer) {
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LOGV("SurfaceTextureClient::dequeueBuffer");
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Mutex::Autolock lock(mMutex);
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int buf = -1;
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status_t result = mSurfaceTexture->dequeueBuffer(&buf, mReqWidth, mReqHeight,
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mReqFormat, mReqUsage);
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if (result < 0) {
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LOGV("dequeueBuffer: ISurfaceTexture::dequeueBuffer(%d, %d, %d, %d)"
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"failed: %d", mReqWidth, mReqHeight, mReqFormat, mReqUsage,
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result);
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return result;
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}
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sp<GraphicBuffer>& gbuf(mSlots[buf]);
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if (result & ISurfaceTexture::RELEASE_ALL_BUFFERS) {
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freeAllBuffers();
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}
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if ((result & ISurfaceTexture::BUFFER_NEEDS_REALLOCATION) || gbuf == 0) {
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gbuf = mSurfaceTexture->requestBuffer(buf);
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if (gbuf == 0) {
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LOGE("dequeueBuffer: ISurfaceTexture::requestBuffer failed");
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return NO_MEMORY;
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}
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mQueryWidth = gbuf->width;
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mQueryHeight = gbuf->height;
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mQueryFormat = gbuf->format;
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}
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*buffer = gbuf.get();
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return OK;
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}
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int SurfaceTextureClient::cancelBuffer(android_native_buffer_t* buffer) {
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LOGV("SurfaceTextureClient::cancelBuffer");
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Mutex::Autolock lock(mMutex);
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for (int i = 0; i < NUM_BUFFER_SLOTS; i++) {
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if (mSlots[i]->handle == buffer->handle) {
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mSurfaceTexture->cancelBuffer(i);
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return OK;
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}
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}
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return BAD_VALUE;
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}
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int SurfaceTextureClient::lockBuffer(android_native_buffer_t* buffer) {
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LOGV("SurfaceTextureClient::lockBuffer");
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Mutex::Autolock lock(mMutex);
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return OK;
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}
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int SurfaceTextureClient::queueBuffer(android_native_buffer_t* buffer) {
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LOGV("SurfaceTextureClient::queueBuffer");
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Mutex::Autolock lock(mMutex);
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int64_t timestamp;
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if (mTimestamp == NATIVE_WINDOW_TIMESTAMP_AUTO) {
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timestamp = systemTime(SYSTEM_TIME_MONOTONIC);
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LOGV("SurfaceTextureClient::queueBuffer making up timestamp: %.2f ms",
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timestamp / 1000000.f);
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} else {
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timestamp = mTimestamp;
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}
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for (int i = 0; i < NUM_BUFFER_SLOTS; i++) {
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if (mSlots[i]->handle == buffer->handle) {
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return mSurfaceTexture->queueBuffer(i, timestamp);
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}
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}
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LOGE("queueBuffer: unknown buffer queued");
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return BAD_VALUE;
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}
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int SurfaceTextureClient::query(int what, int* value) const {
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LOGV("SurfaceTextureClient::query");
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switch (what) {
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case NATIVE_WINDOW_FORMAT:
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if (mReqFormat) {
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*value = mReqFormat;
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return NO_ERROR;
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}
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break;
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case NATIVE_WINDOW_QUEUES_TO_WINDOW_COMPOSER:
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// TODO: this is not needed anymore
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*value = 0;
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return NO_ERROR;
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case NATIVE_WINDOW_CONCRETE_TYPE:
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// TODO: this is not needed anymore
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*value = NATIVE_WINDOW_SURFACE_TEXTURE_CLIENT;
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return NO_ERROR;
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}
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return mSurfaceTexture->query(what, value);
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}
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int SurfaceTextureClient::perform(int operation, va_list args)
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{
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int res = NO_ERROR;
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switch (operation) {
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case NATIVE_WINDOW_CONNECT:
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res = dispatchConnect(args);
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break;
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case NATIVE_WINDOW_DISCONNECT:
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res = dispatchDisconnect(args);
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break;
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case NATIVE_WINDOW_SET_USAGE:
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res = dispatchSetUsage(args);
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break;
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case NATIVE_WINDOW_SET_CROP:
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res = dispatchSetCrop(args);
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break;
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case NATIVE_WINDOW_SET_BUFFER_COUNT:
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res = dispatchSetBufferCount(args);
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break;
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case NATIVE_WINDOW_SET_BUFFERS_GEOMETRY:
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res = dispatchSetBuffersGeometry(args);
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break;
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case NATIVE_WINDOW_SET_BUFFERS_TRANSFORM:
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res = dispatchSetBuffersTransform(args);
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break;
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case NATIVE_WINDOW_SET_BUFFERS_TIMESTAMP:
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res = dispatchSetBuffersTimestamp(args);
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break;
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default:
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res = NAME_NOT_FOUND;
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break;
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}
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return res;
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}
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int SurfaceTextureClient::dispatchConnect(va_list args) {
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int api = va_arg(args, int);
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return connect(api);
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}
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int SurfaceTextureClient::dispatchDisconnect(va_list args) {
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int api = va_arg(args, int);
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return disconnect(api);
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}
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int SurfaceTextureClient::dispatchSetUsage(va_list args) {
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int usage = va_arg(args, int);
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return setUsage(usage);
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}
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int SurfaceTextureClient::dispatchSetCrop(va_list args) {
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android_native_rect_t const* rect = va_arg(args, android_native_rect_t*);
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return setCrop(reinterpret_cast<Rect const*>(rect));
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}
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int SurfaceTextureClient::dispatchSetBufferCount(va_list args) {
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size_t bufferCount = va_arg(args, size_t);
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return setBufferCount(bufferCount);
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}
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int SurfaceTextureClient::dispatchSetBuffersGeometry(va_list args) {
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int w = va_arg(args, int);
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int h = va_arg(args, int);
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int f = va_arg(args, int);
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return setBuffersGeometry(w, h, f);
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}
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int SurfaceTextureClient::dispatchSetBuffersTransform(va_list args) {
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int transform = va_arg(args, int);
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return setBuffersTransform(transform);
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}
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int SurfaceTextureClient::dispatchSetBuffersTimestamp(va_list args) {
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int64_t timestamp = va_arg(args, int64_t);
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return setBuffersTimestamp(timestamp);
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}
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int SurfaceTextureClient::connect(int api) {
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LOGV("SurfaceTextureClient::connect");
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Mutex::Autolock lock(mMutex);
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int err = NO_ERROR;
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switch (api) {
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case NATIVE_WINDOW_API_EGL:
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if (mConnectedApi) {
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err = -EINVAL;
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} else {
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mConnectedApi = api;
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}
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break;
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default:
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err = -EINVAL;
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break;
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}
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return err;
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}
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int SurfaceTextureClient::disconnect(int api) {
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LOGV("SurfaceTextureClient::disconnect");
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Mutex::Autolock lock(mMutex);
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int err = NO_ERROR;
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switch (api) {
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case NATIVE_WINDOW_API_EGL:
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if (mConnectedApi == api) {
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mConnectedApi = 0;
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} else {
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err = -EINVAL;
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}
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break;
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default:
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err = -EINVAL;
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break;
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}
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return err;
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}
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int SurfaceTextureClient::getConnectedApi() const
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{
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Mutex::Autolock lock(mMutex);
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return mConnectedApi;
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}
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int SurfaceTextureClient::setUsage(uint32_t reqUsage)
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{
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LOGV("SurfaceTextureClient::setUsage");
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Mutex::Autolock lock(mMutex);
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mReqUsage = reqUsage;
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return OK;
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}
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int SurfaceTextureClient::setCrop(Rect const* rect)
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{
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LOGV("SurfaceTextureClient::setCrop");
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Mutex::Autolock lock(mMutex);
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Rect realRect;
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if (rect == NULL || rect->isEmpty()) {
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realRect = Rect(0, 0);
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} else {
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realRect = *rect;
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}
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status_t err = mSurfaceTexture->setCrop(*rect);
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LOGE_IF(err, "ISurfaceTexture::setCrop(...) returned %s", strerror(-err));
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return err;
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}
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int SurfaceTextureClient::setBufferCount(int bufferCount)
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{
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LOGV("SurfaceTextureClient::setBufferCount");
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Mutex::Autolock lock(mMutex);
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status_t err = mSurfaceTexture->setBufferCount(bufferCount);
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LOGE_IF(err, "ISurfaceTexture::setBufferCount(%d) returned %s",
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bufferCount, strerror(-err));
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if (err == NO_ERROR) {
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freeAllBuffers();
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}
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return err;
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}
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int SurfaceTextureClient::setBuffersGeometry(int w, int h, int format)
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{
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LOGV("SurfaceTextureClient::setBuffersGeometry");
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Mutex::Autolock lock(mMutex);
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if (w<0 || h<0 || format<0)
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return BAD_VALUE;
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if ((w && !h) || (!w && h))
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return BAD_VALUE;
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mReqWidth = w;
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mReqHeight = h;
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mReqFormat = format;
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status_t err = mSurfaceTexture->setCrop(Rect(0, 0));
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LOGE_IF(err, "ISurfaceTexture::setCrop(...) returned %s", strerror(-err));
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return err;
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}
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int SurfaceTextureClient::setBuffersTransform(int transform)
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{
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LOGV("SurfaceTextureClient::setBuffersTransform");
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Mutex::Autolock lock(mMutex);
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status_t err = mSurfaceTexture->setTransform(transform);
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return err;
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}
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int SurfaceTextureClient::setBuffersTimestamp(int64_t timestamp)
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{
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LOGV("SurfaceTextureClient::setBuffersTimestamp");
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Mutex::Autolock lock(mMutex);
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mTimestamp = timestamp;
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return NO_ERROR;
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}
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void SurfaceTextureClient::freeAllBuffers() {
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for (int i = 0; i < NUM_BUFFER_SLOTS; i++) {
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mSlots[i] = 0;
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}
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}
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}; // namespace android
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