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gecko-dev/dom/camera/GonkNativeWindowClient.cpp

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