status_t GLConsumer::bindTextureImageLocked() {
if (mEglDisplay == EGL_NO_DISPLAY) {
ALOGE("bindTextureImage: invalid display");
return INVALID_OPERATION;
}
GLenum error;
while ((error = glGetError()) != GL_NO_ERROR) {
GLC_LOGW("bindTextureImage: clearing GL error: %#04x", error);
}
glBindTexture(mTexTarget, mTexName);
if (mCurrentTexture == BufferQueue::INVALID_BUFFER_SLOT &&
mCurrentTextureImage == NULL) {
GLC_LOGE("bindTextureImage: no currently-bound texture");
return NO_INIT;
}
status_t err = mCurrentTextureImage->createIfNeeded(mEglDisplay,
mCurrentCrop);
if (err != NO_ERROR) {
GLC_LOGW("bindTextureImage: can't create image on display=%p slot=%d",
mEglDisplay, mCurrentTexture);
return UNKNOWN_ERROR;
}
mCurrentTextureImage->bindToTextureTarget(mTexTarget);
// In the rare case that the display is terminated and then initialized
// again, we can't detect that the display changed (it didn't), but the
// image is invalid. In this case, repeat the exact same steps while
// forcing the creation of a new image.
if ((error = glGetError()) != GL_NO_ERROR) {
glBindTexture(mTexTarget, mTexName);
status_t result = mCurrentTextureImage->createIfNeeded(mEglDisplay,
mCurrentCrop,
true);
if (result != NO_ERROR) {
GLC_LOGW("bindTextureImage: can't create image on display=%p slot=%d",
mEglDisplay, mCurrentTexture);
return UNKNOWN_ERROR;
}
mCurrentTextureImage->bindToTextureTarget(mTexTarget);
if ((error = glGetError()) != GL_NO_ERROR) {
GLC_LOGE("bindTextureImage: error binding external image: %#04x", error);
return UNKNOWN_ERROR;
}
}
// Wait for the new buffer to be ready.
return doGLFenceWaitLocked();
}
status_t GLConsumer::bindTextureImageLocked() {
if (mEglDisplay == EGL_NO_DISPLAY) {
ALOGE("bindTextureImage: invalid display");
return INVALID_OPERATION;
}
GLint error;
while ((error = glGetError()) != GL_NO_ERROR) {
ST_LOGW("bindTextureImage: clearing GL error: %#04x", error);
}
glBindTexture(mTexTarget, mTexName);
if (mCurrentTexture == BufferQueue::INVALID_BUFFER_SLOT) {
if (mCurrentTextureBuf == NULL) {
ST_LOGE("bindTextureImage: no currently-bound texture");
return NO_INIT;
}
status_t err = bindUnslottedBufferLocked(mEglDisplay);
if (err != NO_ERROR) {
return err;
}
} else {
EGLImageKHR image = mEglSlots[mCurrentTexture].mEglImage;
glEGLImageTargetTexture2DOES(mTexTarget, (GLeglImageOES)image);
while ((error = glGetError()) != GL_NO_ERROR) {
ST_LOGE("bindTextureImage: error binding external texture image %p"
": %#04x", image, error);
return UNKNOWN_ERROR;
}
}
// Wait for the new buffer to be ready.
return doGLFenceWaitLocked();
}
status_t SurfaceTexture::doGLFenceWait() const {
Mutex::Autolock lock(mMutex);
return doGLFenceWaitLocked();
}
status_t SurfaceTexture::updateTexImage(BufferRejecter* rejecter, bool skipSync) {
#else
status_t SurfaceTexture::updateTexImage(BufferRejecter* rejecter, bool skipSync, bool deferConversion) {
#endif
ATRACE_CALL();
ST_LOGV("updateTexImage");
Mutex::Autolock lock(mMutex);
status_t err = NO_ERROR;
if (mAbandoned) {
ST_LOGE("updateTexImage: SurfaceTexture is abandoned!");
return NO_INIT;
}
if (!mAttached) {
ST_LOGE("updateTexImage: SurfaceTexture is not attached to an OpenGL "
"ES context");
return INVALID_OPERATION;
}
EGLDisplay dpy = eglGetCurrentDisplay();
EGLContext ctx = eglGetCurrentContext();
if ((mEglDisplay != dpy && mEglDisplay != EGL_NO_DISPLAY) ||
dpy == EGL_NO_DISPLAY) {
ST_LOGE("updateTexImage: invalid current EGLDisplay");
return INVALID_OPERATION;
}
if ((mEglContext != ctx && mEglContext != EGL_NO_CONTEXT) ||
ctx == EGL_NO_CONTEXT) {
ST_LOGE("updateTexImage: invalid current EGLContext");
return INVALID_OPERATION;
}
mEglDisplay = dpy;
mEglContext = ctx;
BufferQueue::BufferItem item;
// In asynchronous mode the list is guaranteed to be one buffer
// deep, while in synchronous mode we use the oldest buffer.
err = acquireBufferLocked(&item);
if (err == NO_ERROR) {
int buf = item.mBuf;
#ifdef STE_HARDWARE
EGLImageKHR image;
if (conversionIsNeeded(mSlots[buf].mGraphicBuffer)) {
mNeedsConversion = deferConversion;
// If color conversion is needed we can't use the graphic buffers
// located in mSlots for the textures (wrong color format). Instead
// color convert it into a buffer in mBlitSlots and use that instead.
image = mBlitSlots[mNextBlitSlot].mEglImage;
// If there exists an image already, make sure that
// the dimensions match the current source buffer.
// Otherwise, destroy the buffer and let a new one be allocated.
if (image != EGL_NO_IMAGE_KHR &&
mSlots[buf].mGraphicBuffer != NULL &&
mBlitSlots[mNextBlitSlot].mGraphicBuffer != NULL) {
sp<GraphicBuffer> &srcBuf = mSlots[buf].mGraphicBuffer;
sp<GraphicBuffer> &bltBuf =
mBlitSlots[mNextBlitSlot].mGraphicBuffer;
if (srcBuf->getWidth() != bltBuf->getWidth() ||
srcBuf->getHeight() != bltBuf->getHeight()) {
eglDestroyImageKHR(mBlitSlots[mNextBlitSlot].mEglDisplay,
image);
mBlitSlots[mNextBlitSlot].mEglImage = EGL_NO_IMAGE_KHR;
mBlitSlots[mNextBlitSlot].mGraphicBuffer = NULL;
image = EGL_NO_IMAGE_KHR;
}
}
if (image == EGL_NO_IMAGE_KHR) {
sp<GraphicBuffer> &srcBuf = mSlots[buf].mGraphicBuffer;
status_t res = 0;
sp<GraphicBuffer> blitBuffer(
mGraphicBufferAlloc->createGraphicBuffer(
srcBuf->getWidth(), srcBuf->getHeight(),
PIXEL_FORMAT_RGBA_8888, srcBuf->getUsage(),
&res));
if (blitBuffer == 0) {
ST_LOGE("updateTexImage: SurfaceComposer::createGraphicBuffer failed");
return NO_MEMORY;
}
if (res != NO_ERROR) {
ST_LOGW("updateTexImage: SurfaceComposer::createGraphicBuffer error=%#04x", res);
}
mBlitSlots[mNextBlitSlot].mGraphicBuffer = blitBuffer;
EGLDisplay dpy = eglGetCurrentDisplay();
image = createImage(dpy, blitBuffer);
mBlitSlots[mNextBlitSlot].mEglImage = image;
mBlitSlots[mNextBlitSlot].mEglDisplay = dpy;
}
if (deferConversion) {
item.mGraphicBuffer = mSlots[buf].mGraphicBuffer;
mConversionSrcSlot = buf;
mConversionBltSlot = mNextBlitSlot;
// At this point item.mGraphicBuffer and image do not point
// at matching buffers. This is intentional as this
// surface might end up being taken care of by HWComposer,
// which needs access to the original buffer.
// GL however, is fed an EGLImage that is created from
// a conversion buffer. It will have its
// content updated once the surface is actually drawn
// in Layer::onDraw()
} else {
if (convert(mSlots[buf].mGraphicBuffer,
mBlitSlots[mNextBlitSlot].mGraphicBuffer) != OK) {
ALOGE("updateTexImage: convert failed");
return UNKNOWN_ERROR;
}
item.mGraphicBuffer = mBlitSlots[mNextBlitSlot].mGraphicBuffer;
}
// mBlitSlots contains several buffers (NUM_BLIT_BUFFER_SLOTS),
// advance (potentially wrap) the index
mNextBlitSlot = (mNextBlitSlot + 1) % BufferQueue::NUM_BLIT_BUFFER_SLOTS;
} else {
mNeedsConversion = false;
image = mEglSlots[buf].mEglImage;
item.mGraphicBuffer = mSlots[buf].mGraphicBuffer;
if (image == EGL_NO_IMAGE_KHR) {
EGLDisplay dpy = eglGetCurrentDisplay();
if (item.mGraphicBuffer == 0) {
ST_LOGE("buffer at slot %d is null", buf);
return BAD_VALUE;
}
image = createImage(dpy, item.mGraphicBuffer);
mEglSlots[buf].mEglImage = image;
mEglDisplay = dpy;
if (image == EGL_NO_IMAGE_KHR) {
// NOTE: if dpy was invalid, createImage() is guaranteed to
// fail. so we'd end up here.
return -EINVAL;
}
}
}
#endif
// we call the rejecter here, in case the caller has a reason to
// not accept this buffer. this is used by SurfaceFlinger to
// reject buffers which have the wrong size
#ifdef STE_HARDWARE
if (rejecter && rejecter->reject(item.mGraphicBuffer, item)) {
#else
if (rejecter && rejecter->reject(mSlots[buf].mGraphicBuffer, item)) {
#endif
releaseBufferLocked(buf, dpy, EGL_NO_SYNC_KHR);
glBindTexture(mTexTarget, mTexName);
return NO_ERROR;
}
GLint error;
while ((error = glGetError()) != GL_NO_ERROR) {
ST_LOGW("updateTexImage: clearing GL error: %#04x", error);
}
#ifndef STE_HARDWARE
EGLImageKHR image = mEglSlots[buf].mEglImage;
#endif
glBindTexture(mTexTarget, mTexName);
glEGLImageTargetTexture2DOES(mTexTarget, (GLeglImageOES)image);
while ((error = glGetError()) != GL_NO_ERROR) {
ST_LOGE("updateTexImage: error binding external texture image %p "
"(slot %d): %#04x", image, buf, error);
err = UNKNOWN_ERROR;
}
if (err == NO_ERROR) {
err = syncForReleaseLocked(dpy);
}
if (err != NO_ERROR) {
// Release the buffer we just acquired. It's not safe to
// release the old buffer, so instead we just drop the new frame.
releaseBufferLocked(buf, dpy, EGL_NO_SYNC_KHR);
return err;
}
ST_LOGV("updateTexImage: (slot=%d buf=%p) -> (slot=%d buf=%p)",
mCurrentTexture,
mCurrentTextureBuf != NULL ? mCurrentTextureBuf->handle : 0,
buf, mSlots[buf].mGraphicBuffer->handle);
// release old buffer
if (mCurrentTexture != BufferQueue::INVALID_BUFFER_SLOT) {
status_t status = releaseBufferLocked(mCurrentTexture, dpy,
mEglSlots[mCurrentTexture].mEglFence);
if (status != NO_ERROR && status != BufferQueue::STALE_BUFFER_SLOT) {
ST_LOGE("updateTexImage: failed to release buffer: %s (%d)",
strerror(-status), status);
err = status;
}
}
// Update the SurfaceTexture state.
mCurrentTexture = buf;
#ifndef STE_HARDWARE
mCurrentTextureBuf = mSlots[buf].mGraphicBuffer;
#else
mCurrentTextureBuf = item.mGraphicBuffer;
#endif
mCurrentCrop = item.mCrop;
mCurrentTransform = item.mTransform;
mCurrentScalingMode = item.mScalingMode;
mCurrentTimestamp = item.mTimestamp;
mCurrentFence = item.mFence;
if (!skipSync) {
// SurfaceFlinger needs to lazily perform GLES synchronization
// only when it's actually going to use GLES for compositing.
// Eventually SurfaceFlinger should have its own consumer class,
// but for now we'll just hack it in to SurfaceTexture.
// SurfaceFlinger is responsible for calling doGLFenceWait before
// texturing from this SurfaceTexture.
doGLFenceWaitLocked();
}
computeCurrentTransformMatrixLocked();
} else {
if (err < 0) {
ST_LOGE("updateTexImage: acquire failed: %s (%d)",
strerror(-err), err);
return err;
}
// We always bind the texture even if we don't update its contents.
glBindTexture(mTexTarget, mTexName);
return OK;
}
return err;
}
void SurfaceTexture::setReleaseFence(int fenceFd) {
sp<Fence> fence(new Fence(fenceFd));
if (fenceFd == -1 || mCurrentTexture == BufferQueue::INVALID_BUFFER_SLOT)
return;
status_t err = addReleaseFence(mCurrentTexture, fence);
if (err != OK) {
ST_LOGE("setReleaseFence: failed to add the fence: %s (%d)",
strerror(-err), err);
}
}
status_t GLConsumer::doGLFenceWait() const {
Mutex::Autolock lock(mMutex);
return doGLFenceWaitLocked();
}
status_t SurfaceTexture::updateTexImage(BufferRejecter* rejecter, bool skipSync, bool isComposition) {
#else
status_t SurfaceTexture::updateTexImage(BufferRejecter* rejecter, bool skipSync) {
#endif
ATRACE_CALL();
ST_LOGV("updateTexImage");
Mutex::Autolock lock(mMutex);
status_t err = NO_ERROR;
if (mAbandoned) {
ST_LOGE("updateTexImage: SurfaceTexture is abandoned!");
return NO_INIT;
}
if (!mAttached) {
ST_LOGE("updateTexImage: SurfaceTexture is not attached to an OpenGL "
"ES context");
return INVALID_OPERATION;
}
EGLDisplay dpy = eglGetCurrentDisplay();
EGLContext ctx = eglGetCurrentContext();
if ((mEglDisplay != dpy && mEglDisplay != EGL_NO_DISPLAY) ||
dpy == EGL_NO_DISPLAY) {
ST_LOGE("updateTexImage: invalid current EGLDisplay");
return INVALID_OPERATION;
}
if ((mEglContext != ctx && mEglContext != EGL_NO_CONTEXT) ||
ctx == EGL_NO_CONTEXT) {
ST_LOGE("updateTexImage: invalid current EGLContext");
return INVALID_OPERATION;
}
mEglDisplay = dpy;
mEglContext = ctx;
BufferQueue::BufferItem item;
// In asynchronous mode the list is guaranteed to be one buffer
// deep, while in synchronous mode we use the oldest buffer.
err = acquireBufferLocked(&item);
if (err == NO_ERROR) {
int buf = item.mBuf;
// we call the rejecter here, in case the caller has a reason to
// not accept this buffer. this is used by SurfaceFlinger to
// reject buffers which have the wrong size
if (rejecter && rejecter->reject(mSlots[buf].mGraphicBuffer, item)) {
releaseBufferLocked(buf, dpy, EGL_NO_SYNC_KHR);
glBindTexture(mTexTarget, mTexName);
return NO_ERROR;
}
#ifdef DECIDE_TEXTURE_TARGET
// GPU is not efficient in handling GL_TEXTURE_EXTERNAL_OES
// texture target. Depending on the image format, decide,
// the texture target to be used
if(isComposition){
switch (mSlots[buf].mGraphicBuffer->format) {
case HAL_PIXEL_FORMAT_RGBA_8888:
case HAL_PIXEL_FORMAT_RGBX_8888:
case HAL_PIXEL_FORMAT_RGB_888:
case HAL_PIXEL_FORMAT_RGB_565:
case HAL_PIXEL_FORMAT_BGRA_8888:
case HAL_PIXEL_FORMAT_RGBA_5551:
case HAL_PIXEL_FORMAT_RGBA_4444:
mTexTarget = GL_TEXTURE_2D;
break;
default:
mTexTarget = GL_TEXTURE_EXTERNAL_OES;
break;
}
}
#endif
GLint error;
while ((error = glGetError()) != GL_NO_ERROR) {
ST_LOGW("updateTexImage: clearing GL error: %#04x", error);
}
EGLImageKHR image = mEglSlots[buf].mEglImage;
glBindTexture(mTexTarget, mTexName);
glEGLImageTargetTexture2DOES(mTexTarget, (GLeglImageOES)image);
while ((error = glGetError()) != GL_NO_ERROR) {
ST_LOGE("updateTexImage: error binding external texture image %p "
"(slot %d): %#04x", image, buf, error);
err = UNKNOWN_ERROR;
}
if (err == NO_ERROR) {
err = syncForReleaseLocked(dpy);
}
if (err != NO_ERROR) {
// Release the buffer we just acquired. It's not safe to
// release the old buffer, so instead we just drop the new frame.
releaseBufferLocked(buf, dpy, EGL_NO_SYNC_KHR);
return err;
}
ST_LOGV("updateTexImage: (slot=%d buf=%p) -> (slot=%d buf=%p)",
mCurrentTexture,
mCurrentTextureBuf != NULL ? mCurrentTextureBuf->handle : 0,
buf, mSlots[buf].mGraphicBuffer->handle);
// release old buffer
if (mCurrentTexture != BufferQueue::INVALID_BUFFER_SLOT) {
status_t status = releaseBufferLocked(mCurrentTexture, dpy,
mEglSlots[mCurrentTexture].mEglFence);
if (status != NO_ERROR && status != BufferQueue::STALE_BUFFER_SLOT) {
ST_LOGE("updateTexImage: failed to release buffer: %s (%d)",
strerror(-status), status);
err = status;
}
}
// Update the SurfaceTexture state.
mCurrentTexture = buf;
mCurrentTextureBuf = mSlots[buf].mGraphicBuffer;
mCurrentCrop = item.mCrop;
mCurrentTransform = item.mTransform;
mCurrentScalingMode = item.mScalingMode;
mCurrentTimestamp = item.mTimestamp;
mCurrentFence = item.mFence;
if (!skipSync) {
// SurfaceFlinger needs to lazily perform GLES synchronization
// only when it's actually going to use GLES for compositing.
// Eventually SurfaceFlinger should have its own consumer class,
// but for now we'll just hack it in to SurfaceTexture.
// SurfaceFlinger is responsible for calling doGLFenceWait before
// texturing from this SurfaceTexture.
doGLFenceWaitLocked();
}
computeCurrentTransformMatrixLocked();
} else {
if (err < 0) {
ST_LOGE("updateTexImage: acquire failed: %s (%d)",
strerror(-err), err);
return err;
}
// We always bind the texture even if we don't update its contents.
glBindTexture(mTexTarget, mTexName);
return OK;
}
return err;
}
