michael@0: /*
michael@0:  * Copyright (C) 2010 The Android Open Source Project
michael@0:  * Copyright (C) 2012 Mozilla Foundation
michael@0:  *
michael@0:  * Licensed under the Apache License, Version 2.0 (the "License");
michael@0:  * you may not use this file except in compliance with the License.
michael@0:  * You may obtain a copy of the License at
michael@0:  *
michael@0:  *      http://www.apache.org/licenses/LICENSE-2.0
michael@0:  *
michael@0:  * Unless required by applicable law or agreed to in writing, software
michael@0:  * distributed under the License is distributed on an "AS IS" BASIS,
michael@0:  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
michael@0:  * See the License for the specific language governing permissions and
michael@0:  * limitations under the License.
michael@0:  */
michael@0: 
michael@0: #include "base/basictypes.h"
michael@0: 
michael@0: #include "CameraCommon.h"
michael@0: #include "GonkNativeWindow.h"
michael@0: #include "GonkNativeWindowClient.h"
michael@0: #include "nsDebug.h"
michael@0: 
michael@0: /**
michael@0:  * DOM_CAMERA_LOGI() is enabled in debug builds, and turned on by setting
michael@0:  * NSPR_LOG_MODULES=Camera:N environment variable, where N >= 3.
michael@0:  *
michael@0:  * CNW_LOGE() is always enabled.
michael@0:  */
michael@0: #define CNW_LOGD(...)   DOM_CAMERA_LOGI(__VA_ARGS__)
michael@0: #define CNW_LOGE(...)   {(void)printf_stderr(__VA_ARGS__);}
michael@0: 
michael@0: using namespace android;
michael@0: using namespace mozilla::layers;
michael@0: 
michael@0: GonkNativeWindowClient::GonkNativeWindowClient(const sp<GonkNativeWindow>& window)
michael@0:   : mNativeWindow(window) {
michael@0:     GonkNativeWindowClient::init();
michael@0: }
michael@0: 
michael@0: GonkNativeWindowClient::~GonkNativeWindowClient() {
michael@0:     if (mConnectedToCpu) {
michael@0:         GonkNativeWindowClient::disconnect(NATIVE_WINDOW_API_CPU);
michael@0:     }
michael@0: }
michael@0: 
michael@0: void GonkNativeWindowClient::init() {
michael@0:     // Initialize the ANativeWindow function pointers.
michael@0:     ANativeWindow::setSwapInterval  = hook_setSwapInterval;
michael@0:     ANativeWindow::dequeueBuffer    = hook_dequeueBuffer;
michael@0:     ANativeWindow::cancelBuffer     = hook_cancelBuffer;
michael@0:     ANativeWindow::lockBuffer       = hook_lockBuffer;
michael@0:     ANativeWindow::queueBuffer      = hook_queueBuffer;
michael@0:     ANativeWindow::query            = hook_query;
michael@0:     ANativeWindow::perform          = hook_perform;
michael@0: 
michael@0:     mReqWidth = 0;
michael@0:     mReqHeight = 0;
michael@0:     mReqFormat = 0;
michael@0:     mReqUsage = 0;
michael@0:     mTimestamp = NATIVE_WINDOW_TIMESTAMP_AUTO;
michael@0:     mDefaultWidth = 0;
michael@0:     mDefaultHeight = 0;
michael@0:     mTransformHint = 0;
michael@0:     mConnectedToCpu = false;
michael@0: }
michael@0: 
michael@0: 
michael@0: int GonkNativeWindowClient::hook_setSwapInterval(ANativeWindow* window, int interval) {
michael@0:     GonkNativeWindowClient* c = getSelf(window);
michael@0:     return c->setSwapInterval(interval);
michael@0: }
michael@0: 
michael@0: int GonkNativeWindowClient::hook_dequeueBuffer(ANativeWindow* window,
michael@0:         ANativeWindowBuffer** buffer) {
michael@0:     GonkNativeWindowClient* c = getSelf(window);
michael@0:     return c->dequeueBuffer(buffer);
michael@0: }
michael@0: 
michael@0: int GonkNativeWindowClient::hook_cancelBuffer(ANativeWindow* window,
michael@0:         ANativeWindowBuffer* buffer) {
michael@0:     GonkNativeWindowClient* c = getSelf(window);
michael@0:     return c->cancelBuffer(buffer);
michael@0: }
michael@0: 
michael@0: int GonkNativeWindowClient::hook_lockBuffer(ANativeWindow* window,
michael@0:         ANativeWindowBuffer* buffer) {
michael@0:     GonkNativeWindowClient* c = getSelf(window);
michael@0:     return c->lockBuffer(buffer);
michael@0: }
michael@0: 
michael@0: int GonkNativeWindowClient::hook_queueBuffer(ANativeWindow* window,
michael@0:         ANativeWindowBuffer* buffer) {
michael@0:     GonkNativeWindowClient* c = getSelf(window);
michael@0:     return c->queueBuffer(buffer);
michael@0: }
michael@0: 
michael@0: int GonkNativeWindowClient::hook_query(const ANativeWindow* window,
michael@0:                                 int what, int* value) {
michael@0:     const GonkNativeWindowClient* c = getSelf(window);
michael@0:     return c->query(what, value);
michael@0: }
michael@0: 
michael@0: int GonkNativeWindowClient::hook_perform(ANativeWindow* window, int operation, ...) {
michael@0:     va_list args;
michael@0:     va_start(args, operation);
michael@0:     GonkNativeWindowClient* c = getSelf(window);
michael@0:     return c->perform(operation, args);
michael@0: }
michael@0: 
michael@0: int GonkNativeWindowClient::setSwapInterval(int interval) {
michael@0:     return NO_ERROR;
michael@0: }
michael@0: 
michael@0: int GonkNativeWindowClient::dequeueBuffer(android_native_buffer_t** buffer) {
michael@0:     CNW_LOGD("GonkNativeWindowClient::dequeueBuffer");
michael@0:     Mutex::Autolock lock(mMutex);
michael@0:     int buf = -1;
michael@0:     status_t result = mNativeWindow->dequeueBuffer(&buf, mReqWidth, mReqHeight,
michael@0:             mReqFormat, mReqUsage);
michael@0:     if (result < 0) {
michael@0:         CNW_LOGD("dequeueBuffer: ISurfaceTexture::dequeueBuffer(%d, %d, %d, %d)"
michael@0:              "failed: %d", mReqWidth, mReqHeight, mReqFormat, mReqUsage,
michael@0:              result);
michael@0:         return result;
michael@0:     }
michael@0:     sp<GraphicBuffer>& gbuf(mSlots[buf]);
michael@0:     if (result & ISurfaceTexture::RELEASE_ALL_BUFFERS) {
michael@0:         freeAllBuffers();
michael@0:     }
michael@0: 
michael@0:     if ((result & ISurfaceTexture::BUFFER_NEEDS_REALLOCATION) || gbuf == 0) {
michael@0:         result = mNativeWindow->requestBuffer(buf, &gbuf);
michael@0:         if (result != NO_ERROR) {
michael@0:             CNW_LOGE("dequeueBuffer: ISurfaceTexture::requestBuffer failed: %d",
michael@0:                     result);
michael@0:             return result;
michael@0:         }
michael@0:     }
michael@0:     *buffer = gbuf.get();
michael@0:     return OK;
michael@0: }
michael@0: 
michael@0: int GonkNativeWindowClient::cancelBuffer(ANativeWindowBuffer* buffer) {
michael@0:     CNW_LOGD("GonkNativeWindowClient::cancelBuffer");
michael@0:     Mutex::Autolock lock(mMutex);
michael@0:     int i = getSlotFromBufferLocked(buffer);
michael@0:     if (i < 0) {
michael@0:         return i;
michael@0:     }
michael@0:     mNativeWindow->cancelBuffer(i);
michael@0:     return OK;
michael@0: }
michael@0: 
michael@0: int GonkNativeWindowClient::getSlotFromBufferLocked(
michael@0:         android_native_buffer_t* buffer) const {
michael@0:     bool dumpedState = false;
michael@0:     for (int i = 0; i < NUM_BUFFER_SLOTS; i++) {
michael@0:         // XXX: Dump the slots whenever we hit a NULL entry while searching for
michael@0:         // a buffer.
michael@0:         if (mSlots[i] == NULL) {
michael@0:             if (!dumpedState) {
michael@0:                 CNW_LOGD("getSlotFromBufferLocked: encountered NULL buffer in slot %d "
michael@0:                         "looking for buffer %p", i, buffer->handle);
michael@0:                 for (int j = 0; j < NUM_BUFFER_SLOTS; j++) {
michael@0:                     if (mSlots[j] == NULL) {
michael@0:                         CNW_LOGD("getSlotFromBufferLocked:   %02d: NULL", j);
michael@0:                     } else {
michael@0:                         CNW_LOGD("getSlotFromBufferLocked:   %02d: %p", j, mSlots[j]->handle);
michael@0:                     }
michael@0:                 }
michael@0:                 dumpedState = true;
michael@0:             }
michael@0:         }
michael@0: 
michael@0:         if (mSlots[i] != NULL && mSlots[i]->handle == buffer->handle) {
michael@0:             return i;
michael@0:         }
michael@0:     }
michael@0:     CNW_LOGE("getSlotFromBufferLocked: unknown buffer: %p", buffer->handle);
michael@0:     return BAD_VALUE;
michael@0: }
michael@0: 
michael@0: 
michael@0: int GonkNativeWindowClient::lockBuffer(android_native_buffer_t* buffer) {
michael@0:     CNW_LOGD("GonkNativeWindowClient::lockBuffer");
michael@0:     Mutex::Autolock lock(mMutex);
michael@0:     return OK;
michael@0: }
michael@0: 
michael@0: int GonkNativeWindowClient::queueBuffer(android_native_buffer_t* buffer) {
michael@0:     CNW_LOGD("GonkNativeWindowClient::queueBuffer");
michael@0:     Mutex::Autolock lock(mMutex);
michael@0:     int64_t timestamp;
michael@0:     if (mTimestamp == NATIVE_WINDOW_TIMESTAMP_AUTO) {
michael@0:         timestamp = systemTime(SYSTEM_TIME_MONOTONIC);
michael@0:         CNW_LOGD("GonkNativeWindowClient::queueBuffer making up timestamp: %.2f ms",
michael@0:              timestamp / 1000000.f);
michael@0:     } else {
michael@0:         timestamp = mTimestamp;
michael@0:     }
michael@0:     int i = getSlotFromBufferLocked(buffer);
michael@0:     if (i < 0) {
michael@0:         return i;
michael@0:     }
michael@0:     status_t err = mNativeWindow->queueBuffer(i, timestamp,
michael@0:             &mDefaultWidth, &mDefaultHeight, &mTransformHint);
michael@0:     if (err != OK)  {
michael@0:         CNW_LOGE("queueBuffer: error queuing buffer to GonkNativeWindow, %d", err);
michael@0:     }
michael@0:     return err;
michael@0: }
michael@0: 
michael@0: int GonkNativeWindowClient::query(int what, int* value) const {
michael@0:     CNW_LOGD("query");
michael@0:     { // scope for the lock
michael@0:         Mutex::Autolock lock(mMutex);
michael@0:         switch (what) {
michael@0:             case NATIVE_WINDOW_FORMAT:
michael@0:                 if (mReqFormat) {
michael@0:                     *value = mReqFormat;
michael@0:                     return NO_ERROR;
michael@0:                 }
michael@0:                 break;
michael@0:             case NATIVE_WINDOW_QUEUES_TO_WINDOW_COMPOSER:
michael@0:                 *value = 0;
michael@0:                 return NO_ERROR;
michael@0:             case NATIVE_WINDOW_CONCRETE_TYPE:
michael@0:                 *value = NATIVE_WINDOW_SURFACE_TEXTURE_CLIENT;
michael@0:                 return NO_ERROR;
michael@0:             case NATIVE_WINDOW_DEFAULT_WIDTH:
michael@0:                 *value = mDefaultWidth;
michael@0:                 return NO_ERROR;
michael@0:             case NATIVE_WINDOW_DEFAULT_HEIGHT:
michael@0:                 *value = mDefaultHeight;
michael@0:                 return NO_ERROR;
michael@0:             case NATIVE_WINDOW_TRANSFORM_HINT:
michael@0:                 *value = mTransformHint;
michael@0:                 return NO_ERROR;
michael@0:         }
michael@0:     }
michael@0:     return mNativeWindow->query(what, value);
michael@0: }
michael@0: 
michael@0: int GonkNativeWindowClient::perform(int operation, va_list args)
michael@0: {
michael@0:     int res = NO_ERROR;
michael@0:     switch (operation) {
michael@0:     case NATIVE_WINDOW_CONNECT:
michael@0:         // deprecated. must return NO_ERROR.
michael@0:         break;
michael@0:     case NATIVE_WINDOW_DISCONNECT:
michael@0:         // deprecated. must return NO_ERROR.
michael@0:         break;
michael@0:     case NATIVE_WINDOW_SET_SCALING_MODE:
michael@0:         return NO_ERROR;
michael@0:     case NATIVE_WINDOW_SET_USAGE:
michael@0:         res = dispatchSetUsage(args);
michael@0:         break;
michael@0:     case NATIVE_WINDOW_SET_CROP:
michael@0:         //not implemented
michael@0:         break;
michael@0:     case NATIVE_WINDOW_SET_BUFFER_COUNT:
michael@0:         res = dispatchSetBufferCount(args);
michael@0:         break;
michael@0:     case NATIVE_WINDOW_SET_BUFFERS_GEOMETRY:
michael@0:         res = dispatchSetBuffersGeometry(args);
michael@0:         break;
michael@0:     case NATIVE_WINDOW_SET_BUFFERS_TRANSFORM:
michael@0:         //not implemented
michael@0:         break;
michael@0:     case NATIVE_WINDOW_SET_BUFFERS_TIMESTAMP:
michael@0:         res = dispatchSetBuffersTimestamp(args);
michael@0:         break;
michael@0:     case NATIVE_WINDOW_SET_BUFFERS_DIMENSIONS:
michael@0:         res = dispatchSetBuffersDimensions(args);
michael@0:         break;
michael@0:     case NATIVE_WINDOW_SET_BUFFERS_FORMAT:
michael@0:         res = dispatchSetBuffersFormat(args);
michael@0:         break;
michael@0:     case NATIVE_WINDOW_LOCK:
michael@0:         res = INVALID_OPERATION;// not supported
michael@0:         break;
michael@0:     case NATIVE_WINDOW_UNLOCK_AND_POST:
michael@0:         res = INVALID_OPERATION;// not supported
michael@0:         break;
michael@0:     case NATIVE_WINDOW_API_CONNECT:
michael@0:         res = dispatchConnect(args);
michael@0:         break;
michael@0:     case NATIVE_WINDOW_API_DISCONNECT:
michael@0:         res = dispatchDisconnect(args);
michael@0:         break;
michael@0:     case NATIVE_WINDOW_SET_BUFFERS_SIZE:
michael@0:         //not implemented
michael@0:         break;
michael@0:     default:
michael@0:         res = NAME_NOT_FOUND;
michael@0:         break;
michael@0:     }
michael@0:     return res;
michael@0: }
michael@0: 
michael@0: int GonkNativeWindowClient::dispatchConnect(va_list args) {
michael@0:     int api = va_arg(args, int);
michael@0:     return connect(api);
michael@0: }
michael@0: 
michael@0: int GonkNativeWindowClient::dispatchDisconnect(va_list args) {
michael@0:     int api = va_arg(args, int);
michael@0:     return disconnect(api);
michael@0: }
michael@0: 
michael@0: int GonkNativeWindowClient::dispatchSetUsage(va_list args) {
michael@0:     int usage = va_arg(args, int);
michael@0:     return setUsage(usage);
michael@0: }
michael@0: 
michael@0: int GonkNativeWindowClient::dispatchSetBufferCount(va_list args) {
michael@0:     size_t bufferCount = va_arg(args, size_t);
michael@0:     return setBufferCount(bufferCount);
michael@0: }
michael@0: 
michael@0: int GonkNativeWindowClient::dispatchSetBuffersGeometry(va_list args) {
michael@0:     int w = va_arg(args, int);
michael@0:     int h = va_arg(args, int);
michael@0:     int f = va_arg(args, int);
michael@0:     int err = setBuffersDimensions(w, h);
michael@0:     if (err != 0) {
michael@0:         return err;
michael@0:     }
michael@0:     return setBuffersFormat(f);
michael@0: }
michael@0: 
michael@0: int GonkNativeWindowClient::dispatchSetBuffersDimensions(va_list args) {
michael@0:     int w = va_arg(args, int);
michael@0:     int h = va_arg(args, int);
michael@0:     return setBuffersDimensions(w, h);
michael@0: }
michael@0: 
michael@0: int GonkNativeWindowClient::dispatchSetBuffersFormat(va_list args) {
michael@0:     int f = va_arg(args, int);
michael@0:     return setBuffersFormat(f);
michael@0: }
michael@0: 
michael@0: int GonkNativeWindowClient::dispatchSetBuffersTimestamp(va_list args) {
michael@0:     int64_t timestamp = va_arg(args, int64_t);
michael@0:     return setBuffersTimestamp(timestamp);
michael@0: }
michael@0: 
michael@0: int GonkNativeWindowClient::connect(int api) {
michael@0:     CNW_LOGD("GonkNativeWindowClient::connect");
michael@0:     Mutex::Autolock lock(mMutex);
michael@0:     int err = mNativeWindow->connect(api,
michael@0:             &mDefaultWidth, &mDefaultHeight, &mTransformHint);
michael@0:     if (!err && api == NATIVE_WINDOW_API_CPU) {
michael@0:         mConnectedToCpu = true;
michael@0:     }
michael@0:     return err;
michael@0: }
michael@0: 
michael@0: int GonkNativeWindowClient::disconnect(int api) {
michael@0:     CNW_LOGD("GonkNativeWindowClient::disconnect");
michael@0:     Mutex::Autolock lock(mMutex);
michael@0:     freeAllBuffers();
michael@0:     int err = mNativeWindow->disconnect(api);
michael@0:     if (!err) {
michael@0:         mReqFormat = 0;
michael@0:         mReqWidth = 0;
michael@0:         mReqHeight = 0;
michael@0:         mReqUsage = 0;
michael@0:         if (api == NATIVE_WINDOW_API_CPU) {
michael@0:             mConnectedToCpu = false;
michael@0:         }
michael@0:     }
michael@0:     return err;
michael@0: }
michael@0: 
michael@0: int GonkNativeWindowClient::setUsage(uint32_t reqUsage)
michael@0: {
michael@0:     CNW_LOGD("GonkNativeWindowClient::setUsage");
michael@0:     Mutex::Autolock lock(mMutex);
michael@0:     mReqUsage = reqUsage;
michael@0:     return OK;
michael@0: }
michael@0: 
michael@0: int GonkNativeWindowClient::setBufferCount(int bufferCount)
michael@0: {
michael@0:     CNW_LOGD("GonkNativeWindowClient::setBufferCount");
michael@0:     Mutex::Autolock lock(mMutex);
michael@0: 
michael@0:     status_t err = mNativeWindow->setBufferCount(bufferCount);
michael@0:     if (err == NO_ERROR) {
michael@0:         freeAllBuffers();
michael@0:     }
michael@0: 
michael@0:     return err;
michael@0: }
michael@0: 
michael@0: int GonkNativeWindowClient::setBuffersDimensions(int w, int h)
michael@0: {
michael@0:     CNW_LOGD("GonkNativeWindowClient::setBuffersDimensions");
michael@0:     Mutex::Autolock lock(mMutex);
michael@0: 
michael@0:     if (w<0 || h<0)
michael@0:         return BAD_VALUE;
michael@0: 
michael@0:     if ((w && !h) || (!w && h))
michael@0:         return BAD_VALUE;
michael@0: 
michael@0:     mReqWidth = w;
michael@0:     mReqHeight = h;
michael@0: 
michael@0:     status_t err = OK;
michael@0: 
michael@0:     return err;
michael@0: }
michael@0: 
michael@0: int GonkNativeWindowClient::setBuffersFormat(int format)
michael@0: {
michael@0:     CNW_LOGD("GonkNativeWindowClient::setBuffersFormat");
michael@0:     Mutex::Autolock lock(mMutex);
michael@0: 
michael@0:     if (format<0)
michael@0:         return BAD_VALUE;
michael@0: 
michael@0:     mReqFormat = format;
michael@0: 
michael@0:     return NO_ERROR;
michael@0: }
michael@0: 
michael@0: 
michael@0: int GonkNativeWindowClient::setBuffersTimestamp(int64_t timestamp)
michael@0: {
michael@0:     CNW_LOGD("GonkNativeWindowClient::setBuffersTimestamp");
michael@0:     Mutex::Autolock lock(mMutex);
michael@0:     mTimestamp = timestamp;
michael@0:     return NO_ERROR;
michael@0: }
michael@0: 
michael@0: void GonkNativeWindowClient::freeAllBuffers() {
michael@0:     for (int i = 0; i < NUM_BUFFER_SLOTS; i++) {
michael@0:         mSlots[i] = 0;
michael@0:     }
michael@0: }
michael@0: