| /* |
| * Copyright (C) 2018 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. |
| */ |
| |
| #define GL_GLEXT_PROTOTYPES |
| #define EGL_EGLEXT_PROTOTYPES |
| |
| #include <EGL/egl.h> |
| #include <EGL/eglext.h> |
| #include <GLES2/gl2.h> |
| #include <GLES2/gl2ext.h> |
| #include <cutils/compiler.h> |
| #include <gui/BufferItem.h> |
| #include <gui/BufferQueue.h> |
| #include <surfacetexture/EGLConsumer.h> |
| #include <surfacetexture/SurfaceTexture.h> |
| #include <inttypes.h> |
| #include <private/gui/SyncFeatures.h> |
| #include <utils/Log.h> |
| #include <utils/String8.h> |
| #include <utils/Trace.h> |
| |
| #define PROT_CONTENT_EXT_STR "EGL_EXT_protected_content" |
| #define EGL_PROTECTED_CONTENT_EXT 0x32C0 |
| |
| namespace android { |
| |
| // Macros for including the SurfaceTexture name in log messages |
| #define EGC_LOGV(x, ...) ALOGV("[%s] " x, st.mName.string(), ##__VA_ARGS__) |
| #define EGC_LOGD(x, ...) ALOGD("[%s] " x, st.mName.string(), ##__VA_ARGS__) |
| #define EGC_LOGW(x, ...) ALOGW("[%s] " x, st.mName.string(), ##__VA_ARGS__) |
| #define EGC_LOGE(x, ...) ALOGE("[%s] " x, st.mName.string(), ##__VA_ARGS__) |
| |
| static const struct { |
| uint32_t width, height; |
| char const* bits; |
| } kDebugData = {15, 12, |
| "_______________" |
| "_______________" |
| "_____XX_XX_____" |
| "__X_X_____X_X__" |
| "__X_XXXXXXX_X__" |
| "__XXXXXXXXXXX__" |
| "___XX_XXX_XX___" |
| "____XXXXXXX____" |
| "_____X___X_____" |
| "____X_____X____" |
| "_______________" |
| "_______________"}; |
| |
| Mutex EGLConsumer::sStaticInitLock; |
| sp<GraphicBuffer> EGLConsumer::sReleasedTexImageBuffer; |
| |
| static bool hasEglProtectedContentImpl() { |
| EGLDisplay dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY); |
| const char* exts = eglQueryString(dpy, EGL_EXTENSIONS); |
| size_t cropExtLen = strlen(PROT_CONTENT_EXT_STR); |
| size_t extsLen = strlen(exts); |
| bool equal = !strcmp(PROT_CONTENT_EXT_STR, exts); |
| bool atStart = !strncmp(PROT_CONTENT_EXT_STR " ", exts, cropExtLen + 1); |
| bool atEnd = (cropExtLen + 1) < extsLen && |
| !strcmp(" " PROT_CONTENT_EXT_STR, exts + extsLen - (cropExtLen + 1)); |
| bool inMiddle = strstr(exts, " " PROT_CONTENT_EXT_STR " "); |
| return equal || atStart || atEnd || inMiddle; |
| } |
| |
| static bool hasEglProtectedContent() { |
| // Only compute whether the extension is present once the first time this |
| // function is called. |
| static bool hasIt = hasEglProtectedContentImpl(); |
| return hasIt; |
| } |
| |
| EGLConsumer::EGLConsumer() : mEglDisplay(EGL_NO_DISPLAY), mEglContext(EGL_NO_CONTEXT) {} |
| |
| status_t EGLConsumer::updateTexImage(SurfaceTexture& st) { |
| // Make sure the EGL state is the same as in previous calls. |
| status_t err = checkAndUpdateEglStateLocked(st); |
| if (err != NO_ERROR) { |
| return err; |
| } |
| |
| BufferItem item; |
| |
| // Acquire the next buffer. |
| // In asynchronous mode the list is guaranteed to be one buffer |
| // deep, while in synchronous mode we use the oldest buffer. |
| err = st.acquireBufferLocked(&item, 0); |
| if (err != NO_ERROR) { |
| if (err == BufferQueue::NO_BUFFER_AVAILABLE) { |
| // We always bind the texture even if we don't update its contents. |
| EGC_LOGV("updateTexImage: no buffers were available"); |
| glBindTexture(st.mTexTarget, st.mTexName); |
| err = NO_ERROR; |
| } else { |
| EGC_LOGE("updateTexImage: acquire failed: %s (%d)", strerror(-err), err); |
| } |
| return err; |
| } |
| |
| // Release the previous buffer. |
| err = updateAndReleaseLocked(item, nullptr, st); |
| if (err != NO_ERROR) { |
| // We always bind the texture. |
| glBindTexture(st.mTexTarget, st.mTexName); |
| return err; |
| } |
| |
| // Bind the new buffer to the GL texture, and wait until it's ready. |
| return bindTextureImageLocked(st); |
| } |
| |
| status_t EGLConsumer::releaseTexImage(SurfaceTexture& st) { |
| // Make sure the EGL state is the same as in previous calls. |
| status_t err = NO_ERROR; |
| |
| // if we're detached, no need to validate EGL's state -- we won't use it. |
| if (st.mOpMode == SurfaceTexture::OpMode::attachedToGL) { |
| err = checkAndUpdateEglStateLocked(st, true); |
| if (err != NO_ERROR) { |
| return err; |
| } |
| } |
| |
| // Update the EGLConsumer state. |
| int buf = st.mCurrentTexture; |
| if (buf != BufferQueue::INVALID_BUFFER_SLOT) { |
| EGC_LOGV("releaseTexImage: (slot=%d, mOpMode=%d)", buf, (int)st.mOpMode); |
| |
| // if we're detached, we just use the fence that was created in |
| // detachFromContext() so... basically, nothing more to do here. |
| if (st.mOpMode == SurfaceTexture::OpMode::attachedToGL) { |
| // Do whatever sync ops we need to do before releasing the slot. |
| err = syncForReleaseLocked(mEglDisplay, st); |
| if (err != NO_ERROR) { |
| EGC_LOGE("syncForReleaseLocked failed (slot=%d), err=%d", buf, err); |
| return err; |
| } |
| } |
| |
| err = st.releaseBufferLocked(buf, st.mSlots[buf].mGraphicBuffer, mEglDisplay, |
| EGL_NO_SYNC_KHR); |
| if (err < NO_ERROR) { |
| EGC_LOGE("releaseTexImage: failed to release buffer: %s (%d)", strerror(-err), err); |
| return err; |
| } |
| |
| if (mReleasedTexImage == nullptr) { |
| mReleasedTexImage = new EglImage(getDebugTexImageBuffer()); |
| } |
| |
| st.mCurrentTexture = BufferQueue::INVALID_BUFFER_SLOT; |
| mCurrentTextureImage = mReleasedTexImage; |
| st.mCurrentCrop.makeInvalid(); |
| st.mCurrentTransform = 0; |
| st.mCurrentTimestamp = 0; |
| st.mCurrentDataSpace = HAL_DATASPACE_UNKNOWN; |
| st.mCurrentFence = Fence::NO_FENCE; |
| st.mCurrentFenceTime = FenceTime::NO_FENCE; |
| |
| // detached, don't touch the texture (and we may not even have an |
| // EGLDisplay here. |
| if (st.mOpMode == SurfaceTexture::OpMode::attachedToGL) { |
| // This binds a dummy buffer (mReleasedTexImage). |
| status_t result = bindTextureImageLocked(st); |
| if (result != NO_ERROR) { |
| return result; |
| } |
| } |
| } |
| |
| return NO_ERROR; |
| } |
| |
| sp<GraphicBuffer> EGLConsumer::getDebugTexImageBuffer() { |
| Mutex::Autolock _l(sStaticInitLock); |
| if (CC_UNLIKELY(sReleasedTexImageBuffer == nullptr)) { |
| // The first time, create the debug texture in case the application |
| // continues to use it. |
| sp<GraphicBuffer> buffer = |
| new GraphicBuffer(kDebugData.width, kDebugData.height, PIXEL_FORMAT_RGBA_8888, |
| GraphicBuffer::USAGE_SW_WRITE_RARELY, |
| "[EGLConsumer debug texture]"); |
| uint32_t* bits; |
| buffer->lock(GraphicBuffer::USAGE_SW_WRITE_RARELY, reinterpret_cast<void**>(&bits)); |
| uint32_t stride = buffer->getStride(); |
| uint32_t height = buffer->getHeight(); |
| memset(bits, 0, stride * height * 4); |
| for (uint32_t y = 0; y < kDebugData.height; y++) { |
| for (uint32_t x = 0; x < kDebugData.width; x++) { |
| bits[x] = (kDebugData.bits[y + kDebugData.width + x] == 'X') ? 0xFF000000 |
| : 0xFFFFFFFF; |
| } |
| bits += stride; |
| } |
| buffer->unlock(); |
| sReleasedTexImageBuffer = buffer; |
| } |
| return sReleasedTexImageBuffer; |
| } |
| |
| void EGLConsumer::onAcquireBufferLocked(BufferItem* item, SurfaceTexture& st) { |
| // If item->mGraphicBuffer is not null, this buffer has not been acquired |
| // before, so any prior EglImage created is using a stale buffer. This |
| // replaces any old EglImage with a new one (using the new buffer). |
| int slot = item->mSlot; |
| if (item->mGraphicBuffer != nullptr || mEglSlots[slot].mEglImage.get() == nullptr) { |
| mEglSlots[slot].mEglImage = new EglImage(st.mSlots[slot].mGraphicBuffer); |
| } |
| } |
| |
| void EGLConsumer::onReleaseBufferLocked(int buf) { |
| mEglSlots[buf].mEglFence = EGL_NO_SYNC_KHR; |
| } |
| |
| status_t EGLConsumer::updateAndReleaseLocked(const BufferItem& item, PendingRelease* pendingRelease, |
| SurfaceTexture& st) { |
| status_t err = NO_ERROR; |
| |
| int slot = item.mSlot; |
| |
| if (st.mOpMode != SurfaceTexture::OpMode::attachedToGL) { |
| EGC_LOGE("updateAndRelease: EGLConsumer is not attached to an OpenGL " |
| "ES context"); |
| st.releaseBufferLocked(slot, st.mSlots[slot].mGraphicBuffer, mEglDisplay, EGL_NO_SYNC_KHR); |
| return INVALID_OPERATION; |
| } |
| |
| // Confirm state. |
| err = checkAndUpdateEglStateLocked(st); |
| if (err != NO_ERROR) { |
| st.releaseBufferLocked(slot, st.mSlots[slot].mGraphicBuffer, mEglDisplay, EGL_NO_SYNC_KHR); |
| return err; |
| } |
| |
| // Ensure we have a valid EglImageKHR for the slot, creating an EglImage |
| // if nessessary, for the gralloc buffer currently in the slot in |
| // ConsumerBase. |
| // We may have to do this even when item.mGraphicBuffer == NULL (which |
| // means the buffer was previously acquired). |
| err = mEglSlots[slot].mEglImage->createIfNeeded(mEglDisplay); |
| if (err != NO_ERROR) { |
| EGC_LOGW("updateAndRelease: unable to createImage on display=%p slot=%d", mEglDisplay, |
| slot); |
| st.releaseBufferLocked(slot, st.mSlots[slot].mGraphicBuffer, mEglDisplay, EGL_NO_SYNC_KHR); |
| return UNKNOWN_ERROR; |
| } |
| |
| // Do whatever sync ops we need to do before releasing the old slot. |
| if (slot != st.mCurrentTexture) { |
| err = syncForReleaseLocked(mEglDisplay, st); |
| 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. |
| // As we are still under lock since acquireBuffer, it is safe to |
| // release by slot. |
| st.releaseBufferLocked(slot, st.mSlots[slot].mGraphicBuffer, mEglDisplay, |
| EGL_NO_SYNC_KHR); |
| return err; |
| } |
| } |
| |
| EGC_LOGV("updateAndRelease: (slot=%d buf=%p) -> (slot=%d buf=%p)", st.mCurrentTexture, |
| mCurrentTextureImage != nullptr ? mCurrentTextureImage->graphicBufferHandle() |
| : nullptr, |
| slot, st.mSlots[slot].mGraphicBuffer->handle); |
| |
| // Hang onto the pointer so that it isn't freed in the call to |
| // releaseBufferLocked() if we're in shared buffer mode and both buffers are |
| // the same. |
| sp<EglImage> nextTextureImage = mEglSlots[slot].mEglImage; |
| |
| // release old buffer |
| if (st.mCurrentTexture != BufferQueue::INVALID_BUFFER_SLOT) { |
| if (pendingRelease == nullptr) { |
| status_t status = |
| st.releaseBufferLocked(st.mCurrentTexture, |
| mCurrentTextureImage->graphicBuffer(), mEglDisplay, |
| mEglSlots[st.mCurrentTexture].mEglFence); |
| if (status < NO_ERROR) { |
| EGC_LOGE("updateAndRelease: failed to release buffer: %s (%d)", strerror(-status), |
| status); |
| err = status; |
| // keep going, with error raised [?] |
| } |
| } else { |
| pendingRelease->currentTexture = st.mCurrentTexture; |
| pendingRelease->graphicBuffer = mCurrentTextureImage->graphicBuffer(); |
| pendingRelease->display = mEglDisplay; |
| pendingRelease->fence = mEglSlots[st.mCurrentTexture].mEglFence; |
| pendingRelease->isPending = true; |
| } |
| } |
| |
| // Update the EGLConsumer state. |
| st.mCurrentTexture = slot; |
| mCurrentTextureImage = nextTextureImage; |
| st.mCurrentCrop = item.mCrop; |
| st.mCurrentTransform = item.mTransform; |
| st.mCurrentScalingMode = item.mScalingMode; |
| st.mCurrentTimestamp = item.mTimestamp; |
| st.mCurrentDataSpace = item.mDataSpace; |
| st.mCurrentFence = item.mFence; |
| st.mCurrentFenceTime = item.mFenceTime; |
| st.mCurrentFrameNumber = item.mFrameNumber; |
| |
| st.computeCurrentTransformMatrixLocked(); |
| |
| return err; |
| } |
| |
| status_t EGLConsumer::bindTextureImageLocked(SurfaceTexture& st) { |
| if (mEglDisplay == EGL_NO_DISPLAY) { |
| ALOGE("bindTextureImage: invalid display"); |
| return INVALID_OPERATION; |
| } |
| |
| GLenum error; |
| while ((error = glGetError()) != GL_NO_ERROR) { |
| EGC_LOGW("bindTextureImage: clearing GL error: %#04x", error); |
| } |
| |
| glBindTexture(st.mTexTarget, st.mTexName); |
| if (st.mCurrentTexture == BufferQueue::INVALID_BUFFER_SLOT && mCurrentTextureImage == nullptr) { |
| EGC_LOGE("bindTextureImage: no currently-bound texture"); |
| return NO_INIT; |
| } |
| |
| status_t err = mCurrentTextureImage->createIfNeeded(mEglDisplay); |
| if (err != NO_ERROR) { |
| EGC_LOGW("bindTextureImage: can't create image on display=%p slot=%d", mEglDisplay, |
| st.mCurrentTexture); |
| return UNKNOWN_ERROR; |
| } |
| mCurrentTextureImage->bindToTextureTarget(st.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(st.mTexTarget, st.mTexName); |
| status_t result = mCurrentTextureImage->createIfNeeded(mEglDisplay, true); |
| if (result != NO_ERROR) { |
| EGC_LOGW("bindTextureImage: can't create image on display=%p slot=%d", mEglDisplay, |
| st.mCurrentTexture); |
| return UNKNOWN_ERROR; |
| } |
| mCurrentTextureImage->bindToTextureTarget(st.mTexTarget); |
| if ((error = glGetError()) != GL_NO_ERROR) { |
| EGC_LOGE("bindTextureImage: error binding external image: %#04x", error); |
| return UNKNOWN_ERROR; |
| } |
| } |
| |
| // Wait for the new buffer to be ready. |
| return doGLFenceWaitLocked(st); |
| } |
| |
| status_t EGLConsumer::checkAndUpdateEglStateLocked(SurfaceTexture& st, bool contextCheck) { |
| EGLDisplay dpy = eglGetCurrentDisplay(); |
| EGLContext ctx = eglGetCurrentContext(); |
| |
| if (!contextCheck) { |
| // if this is the first time we're called, mEglDisplay/mEglContext have |
| // never been set, so don't error out (below). |
| if (mEglDisplay == EGL_NO_DISPLAY) { |
| mEglDisplay = dpy; |
| } |
| if (mEglContext == EGL_NO_CONTEXT) { |
| mEglContext = ctx; |
| } |
| } |
| |
| if (mEglDisplay != dpy || dpy == EGL_NO_DISPLAY) { |
| EGC_LOGE("checkAndUpdateEglState: invalid current EGLDisplay"); |
| return INVALID_OPERATION; |
| } |
| |
| if (mEglContext != ctx || ctx == EGL_NO_CONTEXT) { |
| EGC_LOGE("checkAndUpdateEglState: invalid current EGLContext"); |
| return INVALID_OPERATION; |
| } |
| |
| mEglDisplay = dpy; |
| mEglContext = ctx; |
| return NO_ERROR; |
| } |
| |
| status_t EGLConsumer::detachFromContext(SurfaceTexture& st) { |
| EGLDisplay dpy = eglGetCurrentDisplay(); |
| EGLContext ctx = eglGetCurrentContext(); |
| |
| if (mEglDisplay != dpy && mEglDisplay != EGL_NO_DISPLAY) { |
| EGC_LOGE("detachFromContext: invalid current EGLDisplay"); |
| return INVALID_OPERATION; |
| } |
| |
| if (mEglContext != ctx && mEglContext != EGL_NO_CONTEXT) { |
| EGC_LOGE("detachFromContext: invalid current EGLContext"); |
| return INVALID_OPERATION; |
| } |
| |
| if (dpy != EGL_NO_DISPLAY && ctx != EGL_NO_CONTEXT) { |
| status_t err = syncForReleaseLocked(dpy, st); |
| if (err != OK) { |
| return err; |
| } |
| |
| glDeleteTextures(1, &st.mTexName); |
| } |
| |
| mEglDisplay = EGL_NO_DISPLAY; |
| mEglContext = EGL_NO_CONTEXT; |
| |
| return OK; |
| } |
| |
| status_t EGLConsumer::attachToContext(uint32_t tex, SurfaceTexture& st) { |
| // Initialize mCurrentTextureImage if there is a current buffer from past |
| // attached state. |
| int slot = st.mCurrentTexture; |
| if (slot != BufferItem::INVALID_BUFFER_SLOT) { |
| if (!mEglSlots[slot].mEglImage.get()) { |
| mEglSlots[slot].mEglImage = new EglImage(st.mSlots[slot].mGraphicBuffer); |
| } |
| mCurrentTextureImage = mEglSlots[slot].mEglImage; |
| } |
| |
| EGLDisplay dpy = eglGetCurrentDisplay(); |
| EGLContext ctx = eglGetCurrentContext(); |
| |
| if (dpy == EGL_NO_DISPLAY) { |
| EGC_LOGE("attachToContext: invalid current EGLDisplay"); |
| return INVALID_OPERATION; |
| } |
| |
| if (ctx == EGL_NO_CONTEXT) { |
| EGC_LOGE("attachToContext: invalid current EGLContext"); |
| return INVALID_OPERATION; |
| } |
| |
| // We need to bind the texture regardless of whether there's a current |
| // buffer. |
| glBindTexture(st.mTexTarget, GLuint(tex)); |
| |
| mEglDisplay = dpy; |
| mEglContext = ctx; |
| st.mTexName = tex; |
| st.mOpMode = SurfaceTexture::OpMode::attachedToGL; |
| |
| if (mCurrentTextureImage != nullptr) { |
| // This may wait for a buffer a second time. This is likely required if |
| // this is a different context, since otherwise the wait could be skipped |
| // by bouncing through another context. For the same context the extra |
| // wait is redundant. |
| status_t err = bindTextureImageLocked(st); |
| if (err != NO_ERROR) { |
| return err; |
| } |
| } |
| |
| return OK; |
| } |
| |
| status_t EGLConsumer::syncForReleaseLocked(EGLDisplay dpy, SurfaceTexture& st) { |
| EGC_LOGV("syncForReleaseLocked"); |
| |
| if (st.mCurrentTexture != BufferQueue::INVALID_BUFFER_SLOT) { |
| if (SyncFeatures::getInstance().useNativeFenceSync()) { |
| EGLSyncKHR sync = eglCreateSyncKHR(dpy, EGL_SYNC_NATIVE_FENCE_ANDROID, nullptr); |
| if (sync == EGL_NO_SYNC_KHR) { |
| EGC_LOGE("syncForReleaseLocked: error creating EGL fence: %#x", eglGetError()); |
| return UNKNOWN_ERROR; |
| } |
| glFlush(); |
| int fenceFd = eglDupNativeFenceFDANDROID(dpy, sync); |
| eglDestroySyncKHR(dpy, sync); |
| if (fenceFd == EGL_NO_NATIVE_FENCE_FD_ANDROID) { |
| EGC_LOGE("syncForReleaseLocked: error dup'ing native fence " |
| "fd: %#x", |
| eglGetError()); |
| return UNKNOWN_ERROR; |
| } |
| sp<Fence> fence(new Fence(fenceFd)); |
| status_t err = st.addReleaseFenceLocked(st.mCurrentTexture, |
| mCurrentTextureImage->graphicBuffer(), fence); |
| if (err != OK) { |
| EGC_LOGE("syncForReleaseLocked: error adding release fence: " |
| "%s (%d)", |
| strerror(-err), err); |
| return err; |
| } |
| } else if (st.mUseFenceSync && SyncFeatures::getInstance().useFenceSync()) { |
| EGLSyncKHR fence = mEglSlots[st.mCurrentTexture].mEglFence; |
| if (fence != EGL_NO_SYNC_KHR) { |
| // There is already a fence for the current slot. We need to |
| // wait on that before replacing it with another fence to |
| // ensure that all outstanding buffer accesses have completed |
| // before the producer accesses it. |
| EGLint result = eglClientWaitSyncKHR(dpy, fence, 0, 1000000000); |
| if (result == EGL_FALSE) { |
| EGC_LOGE("syncForReleaseLocked: error waiting for previous " |
| "fence: %#x", |
| eglGetError()); |
| return UNKNOWN_ERROR; |
| } else if (result == EGL_TIMEOUT_EXPIRED_KHR) { |
| EGC_LOGE("syncForReleaseLocked: timeout waiting for previous " |
| "fence"); |
| return TIMED_OUT; |
| } |
| eglDestroySyncKHR(dpy, fence); |
| } |
| |
| // Create a fence for the outstanding accesses in the current |
| // OpenGL ES context. |
| fence = eglCreateSyncKHR(dpy, EGL_SYNC_FENCE_KHR, nullptr); |
| if (fence == EGL_NO_SYNC_KHR) { |
| EGC_LOGE("syncForReleaseLocked: error creating fence: %#x", eglGetError()); |
| return UNKNOWN_ERROR; |
| } |
| glFlush(); |
| mEglSlots[st.mCurrentTexture].mEglFence = fence; |
| } |
| } |
| |
| return OK; |
| } |
| |
| status_t EGLConsumer::doGLFenceWaitLocked(SurfaceTexture& st) const { |
| EGLDisplay dpy = eglGetCurrentDisplay(); |
| EGLContext ctx = eglGetCurrentContext(); |
| |
| if (mEglDisplay != dpy || mEglDisplay == EGL_NO_DISPLAY) { |
| EGC_LOGE("doGLFenceWait: invalid current EGLDisplay"); |
| return INVALID_OPERATION; |
| } |
| |
| if (mEglContext != ctx || mEglContext == EGL_NO_CONTEXT) { |
| EGC_LOGE("doGLFenceWait: invalid current EGLContext"); |
| return INVALID_OPERATION; |
| } |
| |
| if (st.mCurrentFence->isValid()) { |
| if (SyncFeatures::getInstance().useWaitSync() && |
| SyncFeatures::getInstance().useNativeFenceSync()) { |
| // Create an EGLSyncKHR from the current fence. |
| int fenceFd = st.mCurrentFence->dup(); |
| if (fenceFd == -1) { |
| EGC_LOGE("doGLFenceWait: error dup'ing fence fd: %d", errno); |
| return -errno; |
| } |
| EGLint attribs[] = {EGL_SYNC_NATIVE_FENCE_FD_ANDROID, fenceFd, EGL_NONE}; |
| EGLSyncKHR sync = eglCreateSyncKHR(dpy, EGL_SYNC_NATIVE_FENCE_ANDROID, attribs); |
| if (sync == EGL_NO_SYNC_KHR) { |
| close(fenceFd); |
| EGC_LOGE("doGLFenceWait: error creating EGL fence: %#x", eglGetError()); |
| return UNKNOWN_ERROR; |
| } |
| |
| // XXX: The spec draft is inconsistent as to whether this should |
| // return an EGLint or void. Ignore the return value for now, as |
| // it's not strictly needed. |
| eglWaitSyncKHR(dpy, sync, 0); |
| EGLint eglErr = eglGetError(); |
| eglDestroySyncKHR(dpy, sync); |
| if (eglErr != EGL_SUCCESS) { |
| EGC_LOGE("doGLFenceWait: error waiting for EGL fence: %#x", eglErr); |
| return UNKNOWN_ERROR; |
| } |
| } else { |
| status_t err = st.mCurrentFence->waitForever("EGLConsumer::doGLFenceWaitLocked"); |
| if (err != NO_ERROR) { |
| EGC_LOGE("doGLFenceWait: error waiting for fence: %d", err); |
| return err; |
| } |
| } |
| } |
| |
| return NO_ERROR; |
| } |
| |
| void EGLConsumer::onFreeBufferLocked(int slotIndex) { |
| mEglSlots[slotIndex].mEglImage.clear(); |
| } |
| |
| void EGLConsumer::onAbandonLocked() { |
| mCurrentTextureImage.clear(); |
| } |
| |
| EGLConsumer::EglImage::EglImage(sp<GraphicBuffer> graphicBuffer) |
| : mGraphicBuffer(graphicBuffer), mEglImage(EGL_NO_IMAGE_KHR), mEglDisplay(EGL_NO_DISPLAY) {} |
| |
| EGLConsumer::EglImage::~EglImage() { |
| if (mEglImage != EGL_NO_IMAGE_KHR) { |
| if (!eglDestroyImageKHR(mEglDisplay, mEglImage)) { |
| ALOGE("~EglImage: eglDestroyImageKHR failed"); |
| } |
| eglTerminate(mEglDisplay); |
| } |
| } |
| |
| status_t EGLConsumer::EglImage::createIfNeeded(EGLDisplay eglDisplay, bool forceCreation) { |
| // If there's an image and it's no longer valid, destroy it. |
| bool haveImage = mEglImage != EGL_NO_IMAGE_KHR; |
| bool displayInvalid = mEglDisplay != eglDisplay; |
| if (haveImage && (displayInvalid || forceCreation)) { |
| if (!eglDestroyImageKHR(mEglDisplay, mEglImage)) { |
| ALOGE("createIfNeeded: eglDestroyImageKHR failed"); |
| } |
| eglTerminate(mEglDisplay); |
| mEglImage = EGL_NO_IMAGE_KHR; |
| mEglDisplay = EGL_NO_DISPLAY; |
| } |
| |
| // If there's no image, create one. |
| if (mEglImage == EGL_NO_IMAGE_KHR) { |
| mEglDisplay = eglDisplay; |
| mEglImage = createImage(mEglDisplay, mGraphicBuffer); |
| } |
| |
| // Fail if we can't create a valid image. |
| if (mEglImage == EGL_NO_IMAGE_KHR) { |
| mEglDisplay = EGL_NO_DISPLAY; |
| const sp<GraphicBuffer>& buffer = mGraphicBuffer; |
| ALOGE("Failed to create image. size=%ux%u st=%u usage=%#" PRIx64 " fmt=%d", |
| buffer->getWidth(), buffer->getHeight(), buffer->getStride(), buffer->getUsage(), |
| buffer->getPixelFormat()); |
| return UNKNOWN_ERROR; |
| } |
| |
| return OK; |
| } |
| |
| void EGLConsumer::EglImage::bindToTextureTarget(uint32_t texTarget) { |
| glEGLImageTargetTexture2DOES(texTarget, static_cast<GLeglImageOES>(mEglImage)); |
| } |
| |
| EGLImageKHR EGLConsumer::EglImage::createImage(EGLDisplay dpy, |
| const sp<GraphicBuffer>& graphicBuffer) { |
| EGLClientBuffer cbuf = static_cast<EGLClientBuffer>(graphicBuffer->getNativeBuffer()); |
| const bool createProtectedImage = |
| (graphicBuffer->getUsage() & GRALLOC_USAGE_PROTECTED) && hasEglProtectedContent(); |
| EGLint attrs[] = { |
| EGL_IMAGE_PRESERVED_KHR, |
| EGL_TRUE, |
| createProtectedImage ? EGL_PROTECTED_CONTENT_EXT : EGL_NONE, |
| createProtectedImage ? EGL_TRUE : EGL_NONE, |
| EGL_NONE, |
| }; |
| eglInitialize(dpy, nullptr, nullptr); |
| EGLImageKHR image = |
| eglCreateImageKHR(dpy, EGL_NO_CONTEXT, EGL_NATIVE_BUFFER_ANDROID, cbuf, attrs); |
| if (image == EGL_NO_IMAGE_KHR) { |
| EGLint error = eglGetError(); |
| ALOGE("error creating EGLImage: %#x", error); |
| eglTerminate(dpy); |
| } |
| return image; |
| } |
| |
| } // namespace android |
