| /* |
| * Copyright (C) 2010 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. |
| */ |
| |
| #undef LOG_TAG |
| #define LOG_TAG "BufferLayerConsumer" |
| #define ATRACE_TAG ATRACE_TAG_GRAPHICS |
| //#define LOG_NDEBUG 0 |
| |
| #include "BufferLayerConsumer.h" |
| |
| #include <inttypes.h> |
| |
| #include <EGL/egl.h> |
| #include <EGL/eglext.h> |
| #include <GLES2/gl2.h> |
| #include <GLES2/gl2ext.h> |
| #include <cutils/compiler.h> |
| |
| #include <hardware/hardware.h> |
| |
| #include <math/mat4.h> |
| |
| #include <gui/BufferItem.h> |
| #include <gui/GLConsumer.h> |
| #include <gui/ISurfaceComposer.h> |
| #include <gui/SurfaceComposerClient.h> |
| |
| #include <private/gui/ComposerService.h> |
| #include <private/gui/SyncFeatures.h> |
| |
| #include <utils/Log.h> |
| #include <utils/String8.h> |
| #include <utils/Trace.h> |
| |
| extern "C" EGLAPI const char* eglQueryStringImplementationANDROID(EGLDisplay dpy, EGLint name); |
| #define CROP_EXT_STR "EGL_ANDROID_image_crop" |
| #define PROT_CONTENT_EXT_STR "EGL_EXT_protected_content" |
| #define EGL_PROTECTED_CONTENT_EXT 0x32C0 |
| |
| namespace android { |
| |
| // Macros for including the BufferLayerConsumer name in log messages |
| #define BLC_LOGV(x, ...) ALOGV("[%s] " x, mName.string(), ##__VA_ARGS__) |
| #define BLC_LOGD(x, ...) ALOGD("[%s] " x, mName.string(), ##__VA_ARGS__) |
| //#define BLC_LOGI(x, ...) ALOGI("[%s] " x, mName.string(), ##__VA_ARGS__) |
| #define BLC_LOGW(x, ...) ALOGW("[%s] " x, mName.string(), ##__VA_ARGS__) |
| #define BLC_LOGE(x, ...) ALOGE("[%s] " x, mName.string(), ##__VA_ARGS__) |
| |
| static const mat4 mtxIdentity; |
| |
| static bool hasEglAndroidImageCropImpl() { |
| EGLDisplay dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY); |
| const char* exts = eglQueryStringImplementationANDROID(dpy, EGL_EXTENSIONS); |
| size_t cropExtLen = strlen(CROP_EXT_STR); |
| size_t extsLen = strlen(exts); |
| bool equal = !strcmp(CROP_EXT_STR, exts); |
| bool atStart = !strncmp(CROP_EXT_STR " ", exts, cropExtLen + 1); |
| bool atEnd = (cropExtLen + 1) < extsLen && |
| !strcmp(" " CROP_EXT_STR, exts + extsLen - (cropExtLen + 1)); |
| bool inMiddle = strstr(exts, " " CROP_EXT_STR " "); |
| return equal || atStart || atEnd || inMiddle; |
| } |
| |
| static bool hasEglAndroidImageCrop() { |
| // Only compute whether the extension is present once the first time this |
| // function is called. |
| static bool hasIt = hasEglAndroidImageCropImpl(); |
| return hasIt; |
| } |
| |
| 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; |
| } |
| |
| static bool isEglImageCroppable(const Rect& crop) { |
| return hasEglAndroidImageCrop() && (crop.left == 0 && crop.top == 0); |
| } |
| |
| BufferLayerConsumer::BufferLayerConsumer(const sp<IGraphicBufferConsumer>& bq, uint32_t tex) |
| : ConsumerBase(bq, false), |
| mCurrentCrop(Rect::EMPTY_RECT), |
| mCurrentTransform(0), |
| mCurrentScalingMode(NATIVE_WINDOW_SCALING_MODE_FREEZE), |
| mCurrentFence(Fence::NO_FENCE), |
| mCurrentTimestamp(0), |
| mCurrentDataSpace(HAL_DATASPACE_UNKNOWN), |
| mCurrentFrameNumber(0), |
| mDefaultWidth(1), |
| mDefaultHeight(1), |
| mFilteringEnabled(true), |
| mTexName(tex), |
| mEglDisplay(EGL_NO_DISPLAY), |
| mEglContext(EGL_NO_CONTEXT), |
| mCurrentTexture(BufferQueue::INVALID_BUFFER_SLOT) { |
| BLC_LOGV("BufferLayerConsumer"); |
| |
| memcpy(mCurrentTransformMatrix, mtxIdentity.asArray(), sizeof(mCurrentTransformMatrix)); |
| |
| mConsumer->setConsumerUsageBits(DEFAULT_USAGE_FLAGS); |
| } |
| |
| status_t BufferLayerConsumer::setDefaultBufferSize(uint32_t w, uint32_t h) { |
| Mutex::Autolock lock(mMutex); |
| if (mAbandoned) { |
| BLC_LOGE("setDefaultBufferSize: BufferLayerConsumer is abandoned!"); |
| return NO_INIT; |
| } |
| mDefaultWidth = w; |
| mDefaultHeight = h; |
| return mConsumer->setDefaultBufferSize(w, h); |
| } |
| |
| status_t BufferLayerConsumer::updateTexImage() { |
| ATRACE_CALL(); |
| BLC_LOGV("updateTexImage"); |
| Mutex::Autolock lock(mMutex); |
| |
| if (mAbandoned) { |
| BLC_LOGE("updateTexImage: BufferLayerConsumer is abandoned!"); |
| return NO_INIT; |
| } |
| |
| // Make sure the EGL state is the same as in previous calls. |
| status_t err = checkAndUpdateEglStateLocked(); |
| 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 = 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. |
| BLC_LOGV("updateTexImage: no buffers were available"); |
| glBindTexture(sTexTarget, mTexName); |
| err = NO_ERROR; |
| } else { |
| BLC_LOGE("updateTexImage: acquire failed: %s (%d)", strerror(-err), err); |
| } |
| return err; |
| } |
| |
| // Release the previous buffer. |
| err = updateAndReleaseLocked(item); |
| if (err != NO_ERROR) { |
| // We always bind the texture. |
| glBindTexture(sTexTarget, mTexName); |
| return err; |
| } |
| |
| // Bind the new buffer to the GL texture, and wait until it's ready. |
| return bindTextureImageLocked(); |
| } |
| |
| status_t BufferLayerConsumer::acquireBufferLocked(BufferItem* item, nsecs_t presentWhen, |
| uint64_t maxFrameNumber) { |
| status_t err = ConsumerBase::acquireBufferLocked(item, presentWhen, maxFrameNumber); |
| if (err != NO_ERROR) { |
| return err; |
| } |
| |
| // 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). |
| if (item->mGraphicBuffer != NULL) { |
| int slot = item->mSlot; |
| mEglSlots[slot].mEglImage = new EglImage(item->mGraphicBuffer); |
| } |
| |
| return NO_ERROR; |
| } |
| |
| status_t BufferLayerConsumer::updateAndReleaseLocked(const BufferItem& item, |
| PendingRelease* pendingRelease) { |
| status_t err = NO_ERROR; |
| |
| int slot = item.mSlot; |
| |
| // Confirm state. |
| err = checkAndUpdateEglStateLocked(); |
| if (err != NO_ERROR) { |
| releaseBufferLocked(slot, mSlots[slot].mGraphicBuffer); |
| 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, item.mCrop); |
| if (err != NO_ERROR) { |
| BLC_LOGW("updateAndRelease: unable to createImage on display=%p slot=%d", mEglDisplay, |
| slot); |
| releaseBufferLocked(slot, mSlots[slot].mGraphicBuffer); |
| return UNKNOWN_ERROR; |
| } |
| |
| // Do whatever sync ops we need to do before releasing the old slot. |
| if (slot != mCurrentTexture) { |
| err = syncForReleaseLocked(mEglDisplay); |
| 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. |
| releaseBufferLocked(slot, mSlots[slot].mGraphicBuffer); |
| return err; |
| } |
| } |
| |
| BLC_LOGV("updateAndRelease: (slot=%d buf=%p) -> (slot=%d buf=%p)", mCurrentTexture, |
| mCurrentTextureImage != NULL ? mCurrentTextureImage->graphicBufferHandle() : 0, slot, |
| 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 (mCurrentTexture != BufferQueue::INVALID_BUFFER_SLOT) { |
| if (pendingRelease == nullptr) { |
| status_t status = |
| releaseBufferLocked(mCurrentTexture, mCurrentTextureImage->graphicBuffer()); |
| if (status < NO_ERROR) { |
| BLC_LOGE("updateAndRelease: failed to release buffer: %s (%d)", strerror(-status), |
| status); |
| err = status; |
| // keep going, with error raised [?] |
| } |
| } else { |
| pendingRelease->currentTexture = mCurrentTexture; |
| pendingRelease->graphicBuffer = mCurrentTextureImage->graphicBuffer(); |
| pendingRelease->isPending = true; |
| } |
| } |
| |
| // Update the BufferLayerConsumer state. |
| mCurrentTexture = slot; |
| mCurrentTextureImage = nextTextureImage; |
| mCurrentCrop = item.mCrop; |
| mCurrentTransform = item.mTransform; |
| mCurrentScalingMode = item.mScalingMode; |
| mCurrentTimestamp = item.mTimestamp; |
| mCurrentDataSpace = item.mDataSpace; |
| mCurrentFence = item.mFence; |
| mCurrentFenceTime = item.mFenceTime; |
| mCurrentFrameNumber = item.mFrameNumber; |
| |
| computeCurrentTransformMatrixLocked(); |
| |
| return err; |
| } |
| |
| status_t BufferLayerConsumer::bindTextureImageLocked() { |
| if (mEglDisplay == EGL_NO_DISPLAY) { |
| ALOGE("bindTextureImage: invalid display"); |
| return INVALID_OPERATION; |
| } |
| |
| GLenum error; |
| while ((error = glGetError()) != GL_NO_ERROR) { |
| BLC_LOGW("bindTextureImage: clearing GL error: %#04x", error); |
| } |
| |
| glBindTexture(sTexTarget, mTexName); |
| if (mCurrentTexture == BufferQueue::INVALID_BUFFER_SLOT && mCurrentTextureImage == NULL) { |
| BLC_LOGE("bindTextureImage: no currently-bound texture"); |
| return NO_INIT; |
| } |
| |
| status_t err = mCurrentTextureImage->createIfNeeded(mEglDisplay, mCurrentCrop); |
| if (err != NO_ERROR) { |
| BLC_LOGW("bindTextureImage: can't create image on display=%p slot=%d", mEglDisplay, |
| mCurrentTexture); |
| return UNKNOWN_ERROR; |
| } |
| mCurrentTextureImage->bindToTextureTarget(sTexTarget); |
| |
| // Wait for the new buffer to be ready. |
| return doGLFenceWaitLocked(); |
| } |
| |
| status_t BufferLayerConsumer::checkAndUpdateEglStateLocked() { |
| EGLDisplay dpy = eglGetCurrentDisplay(); |
| EGLContext ctx = eglGetCurrentContext(); |
| |
| // 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) { |
| BLC_LOGE("checkAndUpdateEglState: invalid current EGLDisplay"); |
| return INVALID_OPERATION; |
| } |
| |
| if (mEglContext != ctx || ctx == EGL_NO_CONTEXT) { |
| BLC_LOGE("checkAndUpdateEglState: invalid current EGLContext"); |
| return INVALID_OPERATION; |
| } |
| |
| return NO_ERROR; |
| } |
| |
| void BufferLayerConsumer::setReleaseFence(const sp<Fence>& fence) { |
| if (fence->isValid() && mCurrentTexture != BufferQueue::INVALID_BUFFER_SLOT) { |
| status_t err = |
| addReleaseFence(mCurrentTexture, mCurrentTextureImage->graphicBuffer(), fence); |
| if (err != OK) { |
| BLC_LOGE("setReleaseFence: failed to add the fence: %s (%d)", strerror(-err), err); |
| } |
| } |
| } |
| |
| status_t BufferLayerConsumer::syncForReleaseLocked(EGLDisplay dpy) { |
| BLC_LOGV("syncForReleaseLocked"); |
| |
| if (mCurrentTexture != BufferQueue::INVALID_BUFFER_SLOT) { |
| if (SyncFeatures::getInstance().useNativeFenceSync()) { |
| EGLSyncKHR sync = eglCreateSyncKHR(dpy, EGL_SYNC_NATIVE_FENCE_ANDROID, NULL); |
| if (sync == EGL_NO_SYNC_KHR) { |
| BLC_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) { |
| BLC_LOGE("syncForReleaseLocked: error dup'ing native fence " |
| "fd: %#x", |
| eglGetError()); |
| return UNKNOWN_ERROR; |
| } |
| sp<Fence> fence(new Fence(fenceFd)); |
| status_t err = addReleaseFenceLocked(mCurrentTexture, |
| mCurrentTextureImage->graphicBuffer(), fence); |
| if (err != OK) { |
| BLC_LOGE("syncForReleaseLocked: error adding release fence: " |
| "%s (%d)", |
| strerror(-err), err); |
| return err; |
| } |
| } |
| } |
| |
| return OK; |
| } |
| |
| void BufferLayerConsumer::getTransformMatrix(float mtx[16]) { |
| Mutex::Autolock lock(mMutex); |
| memcpy(mtx, mCurrentTransformMatrix, sizeof(mCurrentTransformMatrix)); |
| } |
| |
| void BufferLayerConsumer::setFilteringEnabled(bool enabled) { |
| Mutex::Autolock lock(mMutex); |
| if (mAbandoned) { |
| BLC_LOGE("setFilteringEnabled: BufferLayerConsumer is abandoned!"); |
| return; |
| } |
| bool needsRecompute = mFilteringEnabled != enabled; |
| mFilteringEnabled = enabled; |
| |
| if (needsRecompute && mCurrentTextureImage == NULL) { |
| BLC_LOGD("setFilteringEnabled called with mCurrentTextureImage == NULL"); |
| } |
| |
| if (needsRecompute && mCurrentTextureImage != NULL) { |
| computeCurrentTransformMatrixLocked(); |
| } |
| } |
| |
| void BufferLayerConsumer::computeCurrentTransformMatrixLocked() { |
| BLC_LOGV("computeCurrentTransformMatrixLocked"); |
| sp<GraphicBuffer> buf = |
| (mCurrentTextureImage == nullptr) ? nullptr : mCurrentTextureImage->graphicBuffer(); |
| if (buf == nullptr) { |
| BLC_LOGD("computeCurrentTransformMatrixLocked: " |
| "mCurrentTextureImage is NULL"); |
| } |
| computeTransformMatrix(mCurrentTransformMatrix, buf, |
| isEglImageCroppable(mCurrentCrop) ? Rect::EMPTY_RECT : mCurrentCrop, |
| mCurrentTransform, mFilteringEnabled); |
| } |
| |
| void BufferLayerConsumer::computeTransformMatrix(float outTransform[16], |
| const sp<GraphicBuffer>& buf, const Rect& cropRect, |
| uint32_t transform, bool filtering) { |
| // Transform matrices |
| static const mat4 mtxFlipH(-1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 1); |
| static const mat4 mtxFlipV(1, 0, 0, 0, 0, -1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1); |
| static const mat4 mtxRot90(0, 1, 0, 0, -1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 1); |
| |
| mat4 xform; |
| if (transform & NATIVE_WINDOW_TRANSFORM_FLIP_H) { |
| xform *= mtxFlipH; |
| } |
| if (transform & NATIVE_WINDOW_TRANSFORM_FLIP_V) { |
| xform *= mtxFlipV; |
| } |
| if (transform & NATIVE_WINDOW_TRANSFORM_ROT_90) { |
| xform *= mtxRot90; |
| } |
| |
| if (!cropRect.isEmpty()) { |
| float tx = 0.0f, ty = 0.0f, sx = 1.0f, sy = 1.0f; |
| float bufferWidth = buf->getWidth(); |
| float bufferHeight = buf->getHeight(); |
| float shrinkAmount = 0.0f; |
| if (filtering) { |
| // In order to prevent bilinear sampling beyond the edge of the |
| // crop rectangle we may need to shrink it by 2 texels in each |
| // dimension. Normally this would just need to take 1/2 a texel |
| // off each end, but because the chroma channels of YUV420 images |
| // are subsampled we may need to shrink the crop region by a whole |
| // texel on each side. |
| switch (buf->getPixelFormat()) { |
| case PIXEL_FORMAT_RGBA_8888: |
| case PIXEL_FORMAT_RGBX_8888: |
| case PIXEL_FORMAT_RGBA_FP16: |
| case PIXEL_FORMAT_RGBA_1010102: |
| case PIXEL_FORMAT_RGB_888: |
| case PIXEL_FORMAT_RGB_565: |
| case PIXEL_FORMAT_BGRA_8888: |
| // We know there's no subsampling of any channels, so we |
| // only need to shrink by a half a pixel. |
| shrinkAmount = 0.5; |
| break; |
| |
| default: |
| // If we don't recognize the format, we must assume the |
| // worst case (that we care about), which is YUV420. |
| shrinkAmount = 1.0; |
| break; |
| } |
| } |
| |
| // Only shrink the dimensions that are not the size of the buffer. |
| if (cropRect.width() < bufferWidth) { |
| tx = (float(cropRect.left) + shrinkAmount) / bufferWidth; |
| sx = (float(cropRect.width()) - (2.0f * shrinkAmount)) / bufferWidth; |
| } |
| if (cropRect.height() < bufferHeight) { |
| ty = (float(bufferHeight - cropRect.bottom) + shrinkAmount) / bufferHeight; |
| sy = (float(cropRect.height()) - (2.0f * shrinkAmount)) / bufferHeight; |
| } |
| |
| mat4 crop(sx, 0, 0, 0, 0, sy, 0, 0, 0, 0, 1, 0, tx, ty, 0, 1); |
| xform = crop * xform; |
| } |
| |
| // SurfaceFlinger expects the top of its window textures to be at a Y |
| // coordinate of 0, so BufferLayerConsumer must behave the same way. We don't |
| // want to expose this to applications, however, so we must add an |
| // additional vertical flip to the transform after all the other transforms. |
| xform = mtxFlipV * xform; |
| |
| memcpy(outTransform, xform.asArray(), sizeof(xform)); |
| } |
| |
| Rect BufferLayerConsumer::scaleDownCrop(const Rect& crop, uint32_t bufferWidth, |
| uint32_t bufferHeight) { |
| Rect outCrop = crop; |
| |
| uint32_t newWidth = static_cast<uint32_t>(crop.width()); |
| uint32_t newHeight = static_cast<uint32_t>(crop.height()); |
| |
| if (newWidth * bufferHeight > newHeight * bufferWidth) { |
| newWidth = newHeight * bufferWidth / bufferHeight; |
| ALOGV("too wide: newWidth = %d", newWidth); |
| } else if (newWidth * bufferHeight < newHeight * bufferWidth) { |
| newHeight = newWidth * bufferHeight / bufferWidth; |
| ALOGV("too tall: newHeight = %d", newHeight); |
| } |
| |
| uint32_t currentWidth = static_cast<uint32_t>(crop.width()); |
| uint32_t currentHeight = static_cast<uint32_t>(crop.height()); |
| |
| // The crop is too wide |
| if (newWidth < currentWidth) { |
| uint32_t dw = currentWidth - newWidth; |
| auto halfdw = dw / 2; |
| outCrop.left += halfdw; |
| // Not halfdw because it would subtract 1 too few when dw is odd |
| outCrop.right -= (dw - halfdw); |
| // The crop is too tall |
| } else if (newHeight < currentHeight) { |
| uint32_t dh = currentHeight - newHeight; |
| auto halfdh = dh / 2; |
| outCrop.top += halfdh; |
| // Not halfdh because it would subtract 1 too few when dh is odd |
| outCrop.bottom -= (dh - halfdh); |
| } |
| |
| ALOGV("getCurrentCrop final crop [%d,%d,%d,%d]", outCrop.left, outCrop.top, outCrop.right, |
| outCrop.bottom); |
| |
| return outCrop; |
| } |
| |
| nsecs_t BufferLayerConsumer::getTimestamp() { |
| BLC_LOGV("getTimestamp"); |
| Mutex::Autolock lock(mMutex); |
| return mCurrentTimestamp; |
| } |
| |
| android_dataspace BufferLayerConsumer::getCurrentDataSpace() { |
| BLC_LOGV("getCurrentDataSpace"); |
| Mutex::Autolock lock(mMutex); |
| return mCurrentDataSpace; |
| } |
| |
| uint64_t BufferLayerConsumer::getFrameNumber() { |
| BLC_LOGV("getFrameNumber"); |
| Mutex::Autolock lock(mMutex); |
| return mCurrentFrameNumber; |
| } |
| |
| sp<GraphicBuffer> BufferLayerConsumer::getCurrentBuffer(int* outSlot) const { |
| Mutex::Autolock lock(mMutex); |
| |
| if (outSlot != nullptr) { |
| *outSlot = mCurrentTexture; |
| } |
| |
| return (mCurrentTextureImage == nullptr) ? NULL : mCurrentTextureImage->graphicBuffer(); |
| } |
| |
| Rect BufferLayerConsumer::getCurrentCrop() const { |
| Mutex::Autolock lock(mMutex); |
| return (mCurrentScalingMode == NATIVE_WINDOW_SCALING_MODE_SCALE_CROP) |
| ? scaleDownCrop(mCurrentCrop, mDefaultWidth, mDefaultHeight) |
| : mCurrentCrop; |
| } |
| |
| uint32_t BufferLayerConsumer::getCurrentTransform() const { |
| Mutex::Autolock lock(mMutex); |
| return mCurrentTransform; |
| } |
| |
| uint32_t BufferLayerConsumer::getCurrentScalingMode() const { |
| Mutex::Autolock lock(mMutex); |
| return mCurrentScalingMode; |
| } |
| |
| sp<Fence> BufferLayerConsumer::getCurrentFence() const { |
| Mutex::Autolock lock(mMutex); |
| return mCurrentFence; |
| } |
| |
| std::shared_ptr<FenceTime> BufferLayerConsumer::getCurrentFenceTime() const { |
| Mutex::Autolock lock(mMutex); |
| return mCurrentFenceTime; |
| } |
| |
| status_t BufferLayerConsumer::doGLFenceWaitLocked() const { |
| EGLDisplay dpy = eglGetCurrentDisplay(); |
| EGLContext ctx = eglGetCurrentContext(); |
| |
| if (mEglDisplay != dpy || mEglDisplay == EGL_NO_DISPLAY) { |
| BLC_LOGE("doGLFenceWait: invalid current EGLDisplay"); |
| return INVALID_OPERATION; |
| } |
| |
| if (mEglContext != ctx || mEglContext == EGL_NO_CONTEXT) { |
| BLC_LOGE("doGLFenceWait: invalid current EGLContext"); |
| return INVALID_OPERATION; |
| } |
| |
| if (mCurrentFence->isValid()) { |
| if (SyncFeatures::getInstance().useWaitSync()) { |
| // Create an EGLSyncKHR from the current fence. |
| int fenceFd = mCurrentFence->dup(); |
| if (fenceFd == -1) { |
| BLC_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); |
| BLC_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) { |
| BLC_LOGE("doGLFenceWait: error waiting for EGL fence: %#x", eglErr); |
| return UNKNOWN_ERROR; |
| } |
| } else { |
| status_t err = mCurrentFence->waitForever("BufferLayerConsumer::doGLFenceWaitLocked"); |
| if (err != NO_ERROR) { |
| BLC_LOGE("doGLFenceWait: error waiting for fence: %d", err); |
| return err; |
| } |
| } |
| } |
| |
| return NO_ERROR; |
| } |
| |
| void BufferLayerConsumer::freeBufferLocked(int slotIndex) { |
| BLC_LOGV("freeBufferLocked: slotIndex=%d", slotIndex); |
| if (slotIndex == mCurrentTexture) { |
| mCurrentTexture = BufferQueue::INVALID_BUFFER_SLOT; |
| } |
| mEglSlots[slotIndex].mEglImage.clear(); |
| ConsumerBase::freeBufferLocked(slotIndex); |
| } |
| |
| void BufferLayerConsumer::abandonLocked() { |
| BLC_LOGV("abandonLocked"); |
| mCurrentTextureImage.clear(); |
| ConsumerBase::abandonLocked(); |
| } |
| |
| status_t BufferLayerConsumer::setConsumerUsageBits(uint64_t usage) { |
| return ConsumerBase::setConsumerUsageBits(usage | DEFAULT_USAGE_FLAGS); |
| } |
| |
| void BufferLayerConsumer::dumpLocked(String8& result, const char* prefix) const { |
| result.appendFormat("%smTexName=%d mCurrentTexture=%d\n" |
| "%smCurrentCrop=[%d,%d,%d,%d] mCurrentTransform=%#x\n", |
| prefix, mTexName, mCurrentTexture, prefix, mCurrentCrop.left, |
| mCurrentCrop.top, mCurrentCrop.right, mCurrentCrop.bottom, |
| mCurrentTransform); |
| |
| ConsumerBase::dumpLocked(result, prefix); |
| } |
| |
| BufferLayerConsumer::EglImage::EglImage(sp<GraphicBuffer> graphicBuffer) |
| : mGraphicBuffer(graphicBuffer), |
| mEglImage(EGL_NO_IMAGE_KHR), |
| mEglDisplay(EGL_NO_DISPLAY), |
| mCropRect(Rect::EMPTY_RECT) {} |
| |
| BufferLayerConsumer::EglImage::~EglImage() { |
| if (mEglImage != EGL_NO_IMAGE_KHR) { |
| if (!eglDestroyImageKHR(mEglDisplay, mEglImage)) { |
| ALOGE("~EglImage: eglDestroyImageKHR failed"); |
| } |
| eglTerminate(mEglDisplay); |
| } |
| } |
| |
| status_t BufferLayerConsumer::EglImage::createIfNeeded(EGLDisplay eglDisplay, |
| const Rect& cropRect) { |
| // If there's an image and it's no longer valid, destroy it. |
| bool haveImage = mEglImage != EGL_NO_IMAGE_KHR; |
| bool displayInvalid = mEglDisplay != eglDisplay; |
| bool cropInvalid = hasEglAndroidImageCrop() && mCropRect != cropRect; |
| if (haveImage && (displayInvalid || cropInvalid)) { |
| 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; |
| mCropRect = cropRect; |
| mEglImage = createImage(mEglDisplay, mGraphicBuffer, mCropRect); |
| } |
| |
| // Fail if we can't create a valid image. |
| if (mEglImage == EGL_NO_IMAGE_KHR) { |
| mEglDisplay = EGL_NO_DISPLAY; |
| mCropRect.makeInvalid(); |
| 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 BufferLayerConsumer::EglImage::bindToTextureTarget(uint32_t texTarget) { |
| glEGLImageTargetTexture2DOES(texTarget, static_cast<GLeglImageOES>(mEglImage)); |
| } |
| |
| EGLImageKHR BufferLayerConsumer::EglImage::createImage(EGLDisplay dpy, |
| const sp<GraphicBuffer>& graphicBuffer, |
| const Rect& crop) { |
| EGLClientBuffer cbuf = static_cast<EGLClientBuffer>(graphicBuffer->getNativeBuffer()); |
| const bool createProtectedImage = |
| (graphicBuffer->getUsage() & GRALLOC_USAGE_PROTECTED) && hasEglProtectedContent(); |
| EGLint attrs[] = { |
| EGL_IMAGE_PRESERVED_KHR, |
| EGL_TRUE, |
| EGL_IMAGE_CROP_LEFT_ANDROID, |
| crop.left, |
| EGL_IMAGE_CROP_TOP_ANDROID, |
| crop.top, |
| EGL_IMAGE_CROP_RIGHT_ANDROID, |
| crop.right, |
| EGL_IMAGE_CROP_BOTTOM_ANDROID, |
| crop.bottom, |
| createProtectedImage ? EGL_PROTECTED_CONTENT_EXT : EGL_NONE, |
| createProtectedImage ? EGL_TRUE : EGL_NONE, |
| EGL_NONE, |
| }; |
| if (!crop.isValid()) { |
| // No crop rect to set, so leave the crop out of the attrib array. Make |
| // sure to propagate the protected content attrs if they are set. |
| attrs[2] = attrs[10]; |
| attrs[3] = attrs[11]; |
| attrs[4] = EGL_NONE; |
| } else if (!isEglImageCroppable(crop)) { |
| // The crop rect is not at the origin, so we can't set the crop on the |
| // EGLImage because that's not allowed by the EGL_ANDROID_image_crop |
| // extension. In the future we can add a layered extension that |
| // removes this restriction if there is hardware that can support it. |
| attrs[2] = attrs[10]; |
| attrs[3] = attrs[11]; |
| attrs[4] = EGL_NONE; |
| } |
| eglInitialize(dpy, 0, 0); |
| 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 |