diff options
Diffstat (limited to 'src/imports/nativemedia/SurfaceTexture_4_1.cpp')
| -rw-r--r-- | src/imports/nativemedia/SurfaceTexture_4_1.cpp | 866 |
1 files changed, 0 insertions, 866 deletions
diff --git a/src/imports/nativemedia/SurfaceTexture_4_1.cpp b/src/imports/nativemedia/SurfaceTexture_4_1.cpp deleted file mode 100644 index 9f8fd84..0000000 --- a/src/imports/nativemedia/SurfaceTexture_4_1.cpp +++ /dev/null @@ -1,866 +0,0 @@ -/* - * 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. - */ - -#define LOG_TAG "SurfaceTexture" -#define ATRACE_TAG ATRACE_TAG_GRAPHICS -//#define LOG_NDEBUG 0 - -#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 <QtDebug> - -#include <hardware/hardware.h> - -#include <gui/IGraphicBufferAlloc.h> -#include <gui/ISurfaceComposer.h> -#include <gui/SurfaceComposerClient.h> -#include <SurfaceTexture.h> - -#include <private/gui/ComposerService.h> - -#include <utils/Log.h> -#include <utils/String8.h> -#include <utils/Trace.h> - -// This compile option makes SurfaceTexture use the EGL_KHR_fence_sync extension -// to synchronize access to the buffers. It will cause dequeueBuffer to stall, -// waiting for the GL reads for the buffer being dequeued to complete before -// allowing the buffer to be dequeued. -#ifdef USE_FENCE_SYNC -#ifdef ALLOW_DEQUEUE_CURRENT_BUFFER -#error "USE_FENCE_SYNC and ALLOW_DEQUEUE_CURRENT_BUFFER are incompatible" -#endif -#endif - -// Macros for including the SurfaceTexture name in log messages -#define ST_LOGV(x, ...) qDebug("[V/%s] "x, mName.string(), ##__VA_ARGS__) -#define ST_LOGD(x, ...) qDebug("[D/%s] "x, mName.string(), ##__VA_ARGS__) -#define ST_LOGI(x, ...) qDebug("[I/%s] "x, mName.string(), ##__VA_ARGS__) -#define ST_LOGW(x, ...) qDebug("[W/%s] "x, mName.string(), ##__VA_ARGS__) -#define ST_LOGE(x, ...) qDebug("[E/%s] "x, mName.string(), ##__VA_ARGS__) - -namespace android { - -// Transform matrices -static float mtxIdentity[16] = { - 1, 0, 0, 0, - 0, 1, 0, 0, - 0, 0, 1, 0, - 0, 0, 0, 1, -}; -static float mtxFlipH[16] = { - -1, 0, 0, 0, - 0, 1, 0, 0, - 0, 0, 1, 0, - 1, 0, 0, 1, -}; -static float mtxFlipV[16] = { - 1, 0, 0, 0, - 0, -1, 0, 0, - 0, 0, 1, 0, - 0, 1, 0, 1, -}; -static float mtxRot90[16] = { - 0, 1, 0, 0, - -1, 0, 0, 0, - 0, 0, 1, 0, - 1, 0, 0, 1, -}; -static float mtxRot180[16] = { - -1, 0, 0, 0, - 0, -1, 0, 0, - 0, 0, 1, 0, - 1, 1, 0, 1, -}; -static float mtxRot270[16] = { - 0, -1, 0, 0, - 1, 0, 0, 0, - 0, 0, 1, 0, - 0, 1, 0, 1, -}; - -static void mtxMul(float out[16], const float a[16], const float b[16]); - -// Get an ID that's unique within this process. -static int32_t createProcessUniqueId() { - static volatile int32_t globalCounter = 0; - return android_atomic_inc(&globalCounter); -} - -SurfaceTexture::SurfaceTexture(GLuint tex, bool allowSynchronousMode, - GLenum texTarget, bool useFenceSync, const sp<BufferQueue> &bufferQueue) : - mCurrentTransform(0), - mCurrentTimestamp(0), - mFilteringEnabled(true), - mTexName(tex), -#ifdef USE_FENCE_SYNC - mUseFenceSync(useFenceSync), -#else - mUseFenceSync(false), -#endif - mTexTarget(texTarget), - mEglDisplay(EGL_NO_DISPLAY), - mEglContext(EGL_NO_CONTEXT), - mAbandoned(false), - mCurrentTexture(BufferQueue::INVALID_BUFFER_SLOT), - mAttached(true) -{ - // Choose a name using the PID and a process-unique ID. - mName = String8::format("unnamed-%d-%d", getpid(), createProcessUniqueId()); - ST_LOGV("SurfaceTexture"); - if (bufferQueue == 0) { - ST_LOGV("Creating a new BufferQueue"); - mBufferQueue = new BufferQueue(allowSynchronousMode); - } - else { - mBufferQueue = bufferQueue; - } - - memcpy(mCurrentTransformMatrix, mtxIdentity, - sizeof(mCurrentTransformMatrix)); - - // Note that we can't create an sp<...>(this) in a ctor that will not keep a - // reference once the ctor ends, as that would cause the refcount of 'this' - // dropping to 0 at the end of the ctor. Since all we need is a wp<...> - // that's what we create. - wp<BufferQueue::ConsumerListener> listener; - sp<BufferQueue::ConsumerListener> proxy; - listener = static_cast<BufferQueue::ConsumerListener*>(this); - proxy = new BufferQueue::ProxyConsumerListener(listener); - - status_t err = mBufferQueue->consumerConnect(proxy); - if (err != NO_ERROR) { - ST_LOGE("SurfaceTexture: error connecting to BufferQueue: %s (%d)", - strerror(-err), err); - } else { - mBufferQueue->setConsumerName(mName); - mBufferQueue->setConsumerUsageBits(DEFAULT_USAGE_FLAGS); - } -} - -SurfaceTexture::~SurfaceTexture() { - ST_LOGV("~SurfaceTexture"); - - abandon(); -} - -status_t SurfaceTexture::setBufferCountServer(int bufferCount) { - Mutex::Autolock lock(mMutex); - return mBufferQueue->setBufferCountServer(bufferCount); -} - - -status_t SurfaceTexture::setDefaultBufferSize(uint32_t w, uint32_t h) -{ - Mutex::Autolock lock(mMutex); - mDefaultWidth = w; - mDefaultHeight = h; - return mBufferQueue->setDefaultBufferSize(w, h); -} - -status_t SurfaceTexture::updateTexImage() { - return SurfaceTexture::updateTexImage(NULL); -} - -status_t SurfaceTexture::updateTexImage(BufferRejecter* rejecter) { - 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 = mBufferQueue->acquireBuffer(&item); - if (err == NO_ERROR) { - int buf = item.mBuf; - // This buffer was newly allocated, so we need to clean up on our side - if (item.mGraphicBuffer != NULL) { - mEGLSlots[buf].mGraphicBuffer = 0; - if (mEGLSlots[buf].mEglImage != EGL_NO_IMAGE_KHR) { - eglDestroyImageKHR(dpy, mEGLSlots[buf].mEglImage); - mEGLSlots[buf].mEglImage = EGL_NO_IMAGE_KHR; - } - mEGLSlots[buf].mGraphicBuffer = item.mGraphicBuffer; - } - - // 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(mEGLSlots[buf].mGraphicBuffer, item)) { - mBufferQueue->releaseBuffer(buf, dpy, mEGLSlots[buf].mFence); - mEGLSlots[buf].mFence = EGL_NO_SYNC_KHR; - glBindTexture(mTexTarget, mTexName); - return NO_ERROR; - } - - // Update the GL texture object. We may have to do this even when - // item.mGraphicBuffer == NULL, if we destroyed the EGLImage when - // detaching from a context but the buffer has not been re-allocated. - EGLImageKHR image = mEGLSlots[buf].mEglImage; - if (image == EGL_NO_IMAGE_KHR) { - if (mEGLSlots[buf].mGraphicBuffer == NULL) { - ST_LOGE("updateTexImage: buffer at slot %d is null", buf); - err = BAD_VALUE; - } else { - image = createImage(dpy, mEGLSlots[buf].mGraphicBuffer); - mEGLSlots[buf].mEglImage = image; - if (image == EGL_NO_IMAGE_KHR) { - // NOTE: if dpy was invalid, createImage() is guaranteed to - // fail. so we'd end up here. - err = UNKNOWN_ERROR; - } - } - } - - if (err == NO_ERROR) { - GLint error; - while ((error = glGetError()) != GL_NO_ERROR) { - ST_LOGW("updateTexImage: clearing GL error: %#04x", error); - } - - 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. - mBufferQueue->releaseBuffer(buf, dpy, mEGLSlots[buf].mFence); - mEGLSlots[buf].mFence = EGL_NO_SYNC_KHR; - return err; - } - - ST_LOGV("updateTexImage: (slot=%d buf=%p) -> (slot=%d buf=%p)", - mCurrentTexture, - mCurrentTextureBuf != NULL ? mCurrentTextureBuf->handle : 0, - buf, item.mGraphicBuffer != NULL ? item.mGraphicBuffer->handle : 0); - - // release old buffer - if (mCurrentTexture != BufferQueue::INVALID_BUFFER_SLOT) { - status_t status = mBufferQueue->releaseBuffer(mCurrentTexture, dpy, - mEGLSlots[mCurrentTexture].mFence); - - mEGLSlots[mCurrentTexture].mFence = EGL_NO_SYNC_KHR; - if (status == BufferQueue::STALE_BUFFER_SLOT) { - freeBufferLocked(mCurrentTexture); - } else if (status != NO_ERROR) { - ST_LOGE("updateTexImage: released invalid buffer"); - err = status; - } - } - - // Update the SurfaceTexture state. - mCurrentTexture = buf; - mCurrentTextureBuf = mEGLSlots[buf].mGraphicBuffer; - mCurrentCrop = item.mCrop; - mCurrentTransform = item.mTransform; - mCurrentScalingMode = item.mScalingMode; - mCurrentTimestamp = item.mTimestamp; - computeCurrentTransformMatrix(); - } else { - if (err < 0) { - ALOGE("updateTexImage failed on acquire %d", err); - } - // We always bind the texture even if we don't update its contents. - glBindTexture(mTexTarget, mTexName); - return OK; - } - - return err; -} - -status_t SurfaceTexture::detachFromContext() { - ATRACE_CALL(); - ST_LOGV("detachFromContext"); - Mutex::Autolock lock(mMutex); - - if (mAbandoned) { - ST_LOGE("detachFromContext: abandoned SurfaceTexture"); - return NO_INIT; - } - - if (!mAttached) { - ST_LOGE("detachFromContext: SurfaceTexture is not attached to a " - "context"); - return INVALID_OPERATION; - } - - EGLDisplay dpy = eglGetCurrentDisplay(); - EGLContext ctx = eglGetCurrentContext(); - - if (mEglDisplay != dpy && mEglDisplay != EGL_NO_DISPLAY) { - ST_LOGE("detachFromContext: invalid current EGLDisplay"); - return INVALID_OPERATION; - } - - if (mEglContext != ctx && mEglContext != EGL_NO_CONTEXT) { - ST_LOGE("detachFromContext: invalid current EGLContext"); - return INVALID_OPERATION; - } - - if (dpy != EGL_NO_DISPLAY && ctx != EGL_NO_CONTEXT) { - status_t err = syncForReleaseLocked(dpy); - if (err != OK) { - return err; - } - - glDeleteTextures(1, &mTexName); - } - - // Because we're giving up the EGLDisplay we need to free all the EGLImages - // that are associated with it. They'll be recreated when the - // SurfaceTexture gets attached to a new OpenGL ES context (and thus gets a - // new EGLDisplay). - for (int i =0; i < BufferQueue::NUM_BUFFER_SLOTS; i++) { - EGLImageKHR img = mEGLSlots[i].mEglImage; - if (img != EGL_NO_IMAGE_KHR) { - eglDestroyImageKHR(mEglDisplay, img); - mEGLSlots[i].mEglImage = EGL_NO_IMAGE_KHR; - } - } - - mEglDisplay = EGL_NO_DISPLAY; - mEglContext = EGL_NO_CONTEXT; - mAttached = false; - - return OK; -} - -status_t SurfaceTexture::attachToContext(GLuint tex) { - ATRACE_CALL(); - ST_LOGV("attachToContext"); - Mutex::Autolock lock(mMutex); - - if (mAbandoned) { - ST_LOGE("attachToContext: abandoned SurfaceTexture"); - return NO_INIT; - } - - if (mAttached) { - ST_LOGE("attachToContext: SurfaceTexture is already attached to a " - "context"); - return INVALID_OPERATION; - } - - EGLDisplay dpy = eglGetCurrentDisplay(); - EGLContext ctx = eglGetCurrentContext(); - - if (dpy == EGL_NO_DISPLAY) { - ST_LOGE("attachToContext: invalid current EGLDisplay"); - return INVALID_OPERATION; - } - - if (ctx == EGL_NO_CONTEXT) { - ST_LOGE("attachToContext: invalid current EGLContext"); - return INVALID_OPERATION; - } - - // We need to bind the texture regardless of whether there's a current - // buffer. - glBindTexture(mTexTarget, tex); - - if (mCurrentTextureBuf != NULL) { - // The EGLImageKHR that was associated with the slot was destroyed when - // the SurfaceTexture was detached from the old context, so we need to - // recreate it here. - EGLImageKHR image = createImage(dpy, mCurrentTextureBuf); - if (image == EGL_NO_IMAGE_KHR) { - return UNKNOWN_ERROR; - } - - // Attach the current buffer to the GL texture. - glEGLImageTargetTexture2DOES(mTexTarget, (GLeglImageOES)image); - - GLint error; - status_t err = OK; - while ((error = glGetError()) != GL_NO_ERROR) { - ST_LOGE("attachToContext: error binding external texture image %p " - "(slot %d): %#04x", image, mCurrentTexture, error); - err = UNKNOWN_ERROR; - } - - // We destroy the EGLImageKHR here because the current buffer may no - // longer be associated with one of the buffer slots, so we have - // nowhere to to store it. If the buffer is still associated with a - // slot then another EGLImageKHR will be created next time that buffer - // gets acquired in updateTexImage. - eglDestroyImageKHR(dpy, image); - - if (err != OK) { - return err; - } - } - - mEglDisplay = dpy; - mEglContext = ctx; - mTexName = tex; - mAttached = true; - - return OK; -} - -status_t SurfaceTexture::syncForReleaseLocked(EGLDisplay dpy) { - ST_LOGV("syncForReleaseLocked"); - - if (mUseFenceSync && mCurrentTexture != BufferQueue::INVALID_BUFFER_SLOT) { - EGLSyncKHR fence = mEGLSlots[mCurrentTexture].mFence; - 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) { - ST_LOGE("syncForReleaseLocked: error waiting for previous " - "fence: %#x", eglGetError()); - return UNKNOWN_ERROR; - } else if (result == EGL_TIMEOUT_EXPIRED_KHR) { - ST_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, NULL); - if (fence == EGL_NO_SYNC_KHR) { - ST_LOGE("syncForReleaseLocked: error creating fence: %#x", - eglGetError()); - return UNKNOWN_ERROR; - } - glFlush(); - mEGLSlots[mCurrentTexture].mFence = fence; - } - - return OK; -} - -bool SurfaceTexture::isExternalFormat(uint32_t format) -{ - switch (format) { - // supported YUV formats - case HAL_PIXEL_FORMAT_YV12: - // Legacy/deprecated YUV formats - case HAL_PIXEL_FORMAT_YCbCr_422_SP: - case HAL_PIXEL_FORMAT_YCrCb_420_SP: - case HAL_PIXEL_FORMAT_YCbCr_422_I: - return true; - } - - // Any OEM format needs to be considered - if (format>=0x100 && format<=0x1FF) - return true; - - return false; -} - -GLenum SurfaceTexture::getCurrentTextureTarget() const { - return mTexTarget; -} - -void SurfaceTexture::getTransformMatrix(float mtx[16]) { - Mutex::Autolock lock(mMutex); - memcpy(mtx, mCurrentTransformMatrix, sizeof(mCurrentTransformMatrix)); -} - -void SurfaceTexture::setFilteringEnabled(bool enabled) { - Mutex::Autolock lock(mMutex); - bool needsRecompute = mFilteringEnabled != enabled; - mFilteringEnabled = enabled; - if (needsRecompute) { - computeCurrentTransformMatrix(); - } -} - -void SurfaceTexture::computeCurrentTransformMatrix() { - ST_LOGV("computeCurrentTransformMatrix"); - - float xform[16]; - for (int i = 0; i < 16; i++) { - xform[i] = mtxIdentity[i]; - } - if (mCurrentTransform & NATIVE_WINDOW_TRANSFORM_FLIP_H) { - float result[16]; - mtxMul(result, xform, mtxFlipH); - for (int i = 0; i < 16; i++) { - xform[i] = result[i]; - } - } - if (mCurrentTransform & NATIVE_WINDOW_TRANSFORM_FLIP_V) { - float result[16]; - mtxMul(result, xform, mtxFlipV); - for (int i = 0; i < 16; i++) { - xform[i] = result[i]; - } - } - if (mCurrentTransform & NATIVE_WINDOW_TRANSFORM_ROT_90) { - float result[16]; - mtxMul(result, xform, mtxRot90); - for (int i = 0; i < 16; i++) { - xform[i] = result[i]; - } - } - - sp<GraphicBuffer>& buf(mCurrentTextureBuf); - Rect cropRect = mCurrentCrop; - float tx = 0.0f, ty = 0.0f, sx = 1.0f, sy = 1.0f; - float bufferWidth = buf->getWidth(); - float bufferHeight = buf->getHeight(); - if (!cropRect.isEmpty()) { - float shrinkAmount = 0.0f; - if (mFilteringEnabled) { - // 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_RGB_888: - case PIXEL_FORMAT_RGB_565: - case PIXEL_FORMAT_BGRA_8888: - case PIXEL_FORMAT_RGBA_5551: - case PIXEL_FORMAT_RGBA_4444: - // We know there's no subsampling of any channels, so we - // only need to shrink by a half a pixel. - shrinkAmount = 0.5; - - default: - // If we don't recognize the format, we must assume the - // worst case (that we care about), which is YUV420. - shrinkAmount = 1.0; - } - } - - // 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; - } - } - float crop[16] = { - sx, 0, 0, 0, - 0, sy, 0, 0, - 0, 0, 1, 0, - tx, ty, 0, 1, - }; - - float mtxBeforeFlipV[16]; - mtxMul(mtxBeforeFlipV, crop, xform); - - // SurfaceFlinger expects the top of its window textures to be at a Y - // coordinate of 0, so SurfaceTexture 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. - mtxMul(mCurrentTransformMatrix, mtxFlipV, mtxBeforeFlipV); -} - -nsecs_t SurfaceTexture::getTimestamp() { - ST_LOGV("getTimestamp"); - Mutex::Autolock lock(mMutex); - return mCurrentTimestamp; -} - -void SurfaceTexture::setFrameAvailableListener( - const sp<FrameAvailableListener>& listener) { - ST_LOGV("setFrameAvailableListener"); - Mutex::Autolock lock(mMutex); - mFrameAvailableListener = listener; -} - -EGLImageKHR SurfaceTexture::createImage(EGLDisplay dpy, - const sp<GraphicBuffer>& graphicBuffer) { - EGLClientBuffer cbuf = (EGLClientBuffer)graphicBuffer->getNativeBuffer(); - EGLint attrs[] = { - EGL_IMAGE_PRESERVED_KHR, EGL_TRUE, - EGL_NONE, - }; - EGLImageKHR image = eglCreateImageKHR(dpy, EGL_NO_CONTEXT, - EGL_NATIVE_BUFFER_ANDROID, cbuf, attrs); - if (image == EGL_NO_IMAGE_KHR) { - EGLint error = eglGetError(); - ST_LOGE("error creating EGLImage: %#x", error); - } - return image; -} - -sp<GraphicBuffer> SurfaceTexture::getCurrentBuffer() const { - Mutex::Autolock lock(mMutex); - return mCurrentTextureBuf; -} - -Rect SurfaceTexture::getCurrentCrop() const { - Mutex::Autolock lock(mMutex); - - Rect outCrop = mCurrentCrop; - if (mCurrentScalingMode == NATIVE_WINDOW_SCALING_MODE_SCALE_CROP) { - int32_t newWidth = mCurrentCrop.width(); - int32_t newHeight = mCurrentCrop.height(); - - if (newWidth * mDefaultHeight > newHeight * mDefaultWidth) { - newWidth = newHeight * mDefaultWidth / mDefaultHeight; - ST_LOGV("too wide: newWidth = %d", newWidth); - } else if (newWidth * mDefaultHeight < newHeight * mDefaultWidth) { - newHeight = newWidth * mDefaultHeight / mDefaultWidth; - ST_LOGV("too tall: newHeight = %d", newHeight); - } - - // The crop is too wide - if (newWidth < mCurrentCrop.width()) { - int32_t dw = (newWidth - mCurrentCrop.width())/2; - outCrop.left -=dw; - outCrop.right += dw; - // The crop is too tall - } else if (newHeight < mCurrentCrop.height()) { - int32_t dh = (newHeight - mCurrentCrop.height())/2; - outCrop.top -= dh; - outCrop.bottom += dh; - } - - ST_LOGV("getCurrentCrop final crop [%d,%d,%d,%d]", - outCrop.left, outCrop.top, - outCrop.right,outCrop.bottom); - } - - return outCrop; -} - -uint32_t SurfaceTexture::getCurrentTransform() const { - Mutex::Autolock lock(mMutex); - return mCurrentTransform; -} - -uint32_t SurfaceTexture::getCurrentScalingMode() const { - Mutex::Autolock lock(mMutex); - return mCurrentScalingMode; -} - -bool SurfaceTexture::isSynchronousMode() const { - Mutex::Autolock lock(mMutex); - return mBufferQueue->isSynchronousMode(); -} - -void SurfaceTexture::freeBufferLocked(int slotIndex) { - ST_LOGV("freeBufferLocked: slotIndex=%d", slotIndex); - mEGLSlots[slotIndex].mGraphicBuffer = 0; - if (slotIndex == mCurrentTexture) { - mCurrentTexture = BufferQueue::INVALID_BUFFER_SLOT; - } - EGLImageKHR img = mEGLSlots[slotIndex].mEglImage; - if (img != EGL_NO_IMAGE_KHR) { - ST_LOGV("destroying EGLImage dpy=%p img=%p", mEglDisplay, img); - eglDestroyImageKHR(mEglDisplay, img); - } - mEGLSlots[slotIndex].mEglImage = EGL_NO_IMAGE_KHR; -} - -void SurfaceTexture::abandon() { - ST_LOGV("abandon"); - Mutex::Autolock lock(mMutex); - - if (!mAbandoned) { - mAbandoned = true; - mCurrentTextureBuf.clear(); - - // destroy all egl buffers - for (int i =0; i < BufferQueue::NUM_BUFFER_SLOTS; i++) { - freeBufferLocked(i); - } - - // disconnect from the BufferQueue - mBufferQueue->consumerDisconnect(); - mBufferQueue.clear(); - } -} - -void SurfaceTexture::setName(const String8& name) { - Mutex::Autolock _l(mMutex); - mName = name; - mBufferQueue->setConsumerName(name); -} - -status_t SurfaceTexture::setDefaultBufferFormat(uint32_t defaultFormat) { - Mutex::Autolock lock(mMutex); - return mBufferQueue->setDefaultBufferFormat(defaultFormat); -} - -status_t SurfaceTexture::setConsumerUsageBits(uint32_t usage) { - Mutex::Autolock lock(mMutex); - usage |= DEFAULT_USAGE_FLAGS; - return mBufferQueue->setConsumerUsageBits(usage); -} - -status_t SurfaceTexture::setTransformHint(uint32_t hint) { - Mutex::Autolock lock(mMutex); - return mBufferQueue->setTransformHint(hint); -} - -// Used for refactoring BufferQueue from SurfaceTexture -// Should not be in final interface once users of SurfaceTexture are clean up. -status_t SurfaceTexture::setSynchronousMode(bool enabled) { - Mutex::Autolock lock(mMutex); - return mBufferQueue->setSynchronousMode(enabled); -} - -// Used for refactoring, should not be in final interface -sp<BufferQueue> SurfaceTexture::getBufferQueue() const { - Mutex::Autolock lock(mMutex); - return mBufferQueue; -} - -void SurfaceTexture::onFrameAvailable() { - ST_LOGV("onFrameAvailable"); - - sp<FrameAvailableListener> listener; - { // scope for the lock - Mutex::Autolock lock(mMutex); - listener = mFrameAvailableListener; - } - - if (listener != NULL) { - ST_LOGV("actually calling onFrameAvailable"); - listener->onFrameAvailable(); - } -} - -void SurfaceTexture::onBuffersReleased() { - ST_LOGV("onBuffersReleased"); - - Mutex::Autolock lock(mMutex); - - if (mAbandoned) { - // Nothing to do if we're already abandoned. - return; - } - - uint32_t mask = 0; - mBufferQueue->getReleasedBuffers(&mask); - for (int i = 0; i < BufferQueue::NUM_BUFFER_SLOTS; i++) { - if (mask & (1 << i)) { - freeBufferLocked(i); - } - } -} - -void SurfaceTexture::dump(String8& result) const -{ - char buffer[1024]; - dump(result, "", buffer, 1024); -} - -void SurfaceTexture::dump(String8& result, const char* prefix, - char* buffer, size_t SIZE) const -{ - Mutex::Autolock _l(mMutex); - snprintf(buffer, SIZE, "%smTexName=%d, mAbandoned=%d\n", prefix, mTexName, - int(mAbandoned)); - result.append(buffer); - - snprintf(buffer, SIZE, - "%snext : {crop=[%d,%d,%d,%d], transform=0x%02x, current=%d}\n", - prefix, mCurrentCrop.left, - mCurrentCrop.top, mCurrentCrop.right, mCurrentCrop.bottom, - mCurrentTransform, mCurrentTexture - ); - result.append(buffer); - - if (!mAbandoned) { - mBufferQueue->dump(result, prefix, buffer, SIZE); - } -} - -static void mtxMul(float out[16], const float a[16], const float b[16]) { - out[0] = a[0]*b[0] + a[4]*b[1] + a[8]*b[2] + a[12]*b[3]; - out[1] = a[1]*b[0] + a[5]*b[1] + a[9]*b[2] + a[13]*b[3]; - out[2] = a[2]*b[0] + a[6]*b[1] + a[10]*b[2] + a[14]*b[3]; - out[3] = a[3]*b[0] + a[7]*b[1] + a[11]*b[2] + a[15]*b[3]; - - out[4] = a[0]*b[4] + a[4]*b[5] + a[8]*b[6] + a[12]*b[7]; - out[5] = a[1]*b[4] + a[5]*b[5] + a[9]*b[6] + a[13]*b[7]; - out[6] = a[2]*b[4] + a[6]*b[5] + a[10]*b[6] + a[14]*b[7]; - out[7] = a[3]*b[4] + a[7]*b[5] + a[11]*b[6] + a[15]*b[7]; - - out[8] = a[0]*b[8] + a[4]*b[9] + a[8]*b[10] + a[12]*b[11]; - out[9] = a[1]*b[8] + a[5]*b[9] + a[9]*b[10] + a[13]*b[11]; - out[10] = a[2]*b[8] + a[6]*b[9] + a[10]*b[10] + a[14]*b[11]; - out[11] = a[3]*b[8] + a[7]*b[9] + a[11]*b[10] + a[15]*b[11]; - - out[12] = a[0]*b[12] + a[4]*b[13] + a[8]*b[14] + a[12]*b[15]; - out[13] = a[1]*b[12] + a[5]*b[13] + a[9]*b[14] + a[13]*b[15]; - out[14] = a[2]*b[12] + a[6]*b[13] + a[10]*b[14] + a[14]*b[15]; - out[15] = a[3]*b[12] + a[7]*b[13] + a[11]*b[14] + a[15]*b[15]; -} - -}; // namespace android |