SurfaceTexture.cpp revision b598fb90727be45e926a11abefc319819a733540
168e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis/* 268e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis * Copyright (C) 2010 The Android Open Source Project 368e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis * 468e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis * Licensed under the Apache License, Version 2.0 (the "License"); 568e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis * you may not use this file except in compliance with the License. 668e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis * You may obtain a copy of the License at 768e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis * 868e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis * http://www.apache.org/licenses/LICENSE-2.0 968e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis * 1068e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis * Unless required by applicable law or agreed to in writing, software 1168e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis * distributed under the License is distributed on an "AS IS" BASIS, 1268e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1368e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis * See the License for the specific language governing permissions and 1468e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis * limitations under the License. 1568e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis */ 1668e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis 1768e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis#define LOG_TAG "SurfaceTexture" 187dc00d5eb27de41f93a7e232b3cd374c84eb77d1Jamie Gennis//#define LOG_NDEBUG 0 1968e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis 2068e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis#define GL_GLEXT_PROTOTYPES 2168e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis#define EGL_EGLEXT_PROTOTYPES 2268e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis 2368e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis#include <EGL/egl.h> 2468e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis#include <EGL/eglext.h> 2568e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis#include <GLES2/gl2.h> 2668e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis#include <GLES2/gl2ext.h> 2768e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis 2868e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis#include <gui/SurfaceTexture.h> 2968e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis 3068e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis#include <surfaceflinger/ISurfaceComposer.h> 3168e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis#include <surfaceflinger/SurfaceComposerClient.h> 3268e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis 3368e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis#include <utils/Log.h> 3468e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis 3568e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennisnamespace android { 3668e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis 37b598fb90727be45e926a11abefc319819a733540Jamie Gennis// Transform matrices 38b598fb90727be45e926a11abefc319819a733540Jamie Gennisstatic float mtxIdentity[16] = { 39b598fb90727be45e926a11abefc319819a733540Jamie Gennis 1, 0, 0, 0, 40b598fb90727be45e926a11abefc319819a733540Jamie Gennis 0, 1, 0, 0, 41b598fb90727be45e926a11abefc319819a733540Jamie Gennis 0, 0, 1, 0, 42b598fb90727be45e926a11abefc319819a733540Jamie Gennis 0, 0, 0, 1, 43b598fb90727be45e926a11abefc319819a733540Jamie Gennis}; 44b598fb90727be45e926a11abefc319819a733540Jamie Gennisstatic float mtxFlipH[16] = { 45b598fb90727be45e926a11abefc319819a733540Jamie Gennis -1, 0, 0, 0, 46b598fb90727be45e926a11abefc319819a733540Jamie Gennis 0, 1, 0, 0, 47b598fb90727be45e926a11abefc319819a733540Jamie Gennis 0, 0, 1, 0, 48b598fb90727be45e926a11abefc319819a733540Jamie Gennis 1, 0, 0, 1, 49b598fb90727be45e926a11abefc319819a733540Jamie Gennis}; 50b598fb90727be45e926a11abefc319819a733540Jamie Gennisstatic float mtxFlipV[16] = { 51b598fb90727be45e926a11abefc319819a733540Jamie Gennis 1, 0, 0, 0, 52b598fb90727be45e926a11abefc319819a733540Jamie Gennis 0, -1, 0, 0, 53b598fb90727be45e926a11abefc319819a733540Jamie Gennis 0, 0, 1, 0, 54b598fb90727be45e926a11abefc319819a733540Jamie Gennis 0, 1, 0, 1, 55b598fb90727be45e926a11abefc319819a733540Jamie Gennis}; 56b598fb90727be45e926a11abefc319819a733540Jamie Gennisstatic float mtxRot90[16] = { 57b598fb90727be45e926a11abefc319819a733540Jamie Gennis 0, 1, 0, 0, 58b598fb90727be45e926a11abefc319819a733540Jamie Gennis -1, 0, 0, 0, 59b598fb90727be45e926a11abefc319819a733540Jamie Gennis 0, 0, 1, 0, 60b598fb90727be45e926a11abefc319819a733540Jamie Gennis 1, 0, 0, 1, 61b598fb90727be45e926a11abefc319819a733540Jamie Gennis}; 62b598fb90727be45e926a11abefc319819a733540Jamie Gennisstatic float mtxRot180[16] = { 63b598fb90727be45e926a11abefc319819a733540Jamie Gennis -1, 0, 0, 0, 64b598fb90727be45e926a11abefc319819a733540Jamie Gennis 0, -1, 0, 0, 65b598fb90727be45e926a11abefc319819a733540Jamie Gennis 0, 0, 1, 0, 66b598fb90727be45e926a11abefc319819a733540Jamie Gennis 1, 1, 0, 1, 67b598fb90727be45e926a11abefc319819a733540Jamie Gennis}; 68b598fb90727be45e926a11abefc319819a733540Jamie Gennisstatic float mtxRot270[16] = { 69b598fb90727be45e926a11abefc319819a733540Jamie Gennis 0, -1, 0, 0, 70b598fb90727be45e926a11abefc319819a733540Jamie Gennis 1, 0, 0, 0, 71b598fb90727be45e926a11abefc319819a733540Jamie Gennis 0, 0, 1, 0, 72b598fb90727be45e926a11abefc319819a733540Jamie Gennis 0, 1, 0, 1, 73b598fb90727be45e926a11abefc319819a733540Jamie Gennis}; 74b598fb90727be45e926a11abefc319819a733540Jamie Gennis 75b598fb90727be45e926a11abefc319819a733540Jamie Gennisstatic void mtxMul(float out[16], const float a[16], const float b[16]); 76b598fb90727be45e926a11abefc319819a733540Jamie Gennis 7768e4a7ac849b681b1fb769857fc04f64262480c4Jamie GennisSurfaceTexture::SurfaceTexture(GLuint tex) : 7868e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis mBufferCount(MIN_BUFFER_SLOTS), mCurrentTexture(INVALID_BUFFER_SLOT), 7968e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis mLastQueued(INVALID_BUFFER_SLOT), mTexName(tex) { 807dc00d5eb27de41f93a7e232b3cd374c84eb77d1Jamie Gennis LOGV("SurfaceTexture::SurfaceTexture"); 81fd804f31a36c31661859b53bbee1bb408462ddcaJamie Gennis for (int i = 0; i < NUM_BUFFER_SLOTS; i++) { 82fd804f31a36c31661859b53bbee1bb408462ddcaJamie Gennis mSlots[i].mEglImage = EGL_NO_IMAGE_KHR; 83fd804f31a36c31661859b53bbee1bb408462ddcaJamie Gennis mSlots[i].mEglDisplay = EGL_NO_DISPLAY; 84fd804f31a36c31661859b53bbee1bb408462ddcaJamie Gennis mSlots[i].mOwnedByClient = false; 85fd804f31a36c31661859b53bbee1bb408462ddcaJamie Gennis } 8668e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis} 8768e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis 8868e4a7ac849b681b1fb769857fc04f64262480c4Jamie GennisSurfaceTexture::~SurfaceTexture() { 897dc00d5eb27de41f93a7e232b3cd374c84eb77d1Jamie Gennis LOGV("SurfaceTexture::~SurfaceTexture"); 9068e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis freeAllBuffers(); 9168e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis} 9268e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis 9368e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennisstatus_t SurfaceTexture::setBufferCount(int bufferCount) { 947dc00d5eb27de41f93a7e232b3cd374c84eb77d1Jamie Gennis LOGV("SurfaceTexture::setBufferCount"); 9568e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis Mutex::Autolock lock(mMutex); 9668e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis freeAllBuffers(); 9768e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis mBufferCount = bufferCount; 98d369dc42506ec003f1839bb9e27edada411324b5Jamie Gennis mCurrentTexture = INVALID_BUFFER_SLOT; 99d369dc42506ec003f1839bb9e27edada411324b5Jamie Gennis mLastQueued = INVALID_BUFFER_SLOT; 10068e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis return OK; 10168e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis} 10268e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis 10368e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennissp<GraphicBuffer> SurfaceTexture::requestBuffer(int buf, 10468e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis uint32_t w, uint32_t h, uint32_t format, uint32_t usage) { 1057dc00d5eb27de41f93a7e232b3cd374c84eb77d1Jamie Gennis LOGV("SurfaceTexture::requestBuffer"); 10668e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis Mutex::Autolock lock(mMutex); 10768e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis if (buf < 0 || mBufferCount <= buf) { 10868e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis LOGE("requestBuffer: slot index out of range [0, %d]: %d", 10968e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis mBufferCount, buf); 11068e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis return 0; 11168e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis } 11268e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis usage |= GraphicBuffer::USAGE_HW_TEXTURE; 11368e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis sp<ISurfaceComposer> composer(ComposerService::getComposerService()); 11468e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis sp<GraphicBuffer> graphicBuffer(composer->createGraphicBuffer(w, h, 11568e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis format, usage)); 11668e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis if (graphicBuffer == 0) { 11768e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis LOGE("requestBuffer: SurfaceComposer::createGraphicBuffer failed"); 11868e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis } else { 11968e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis mSlots[buf].mGraphicBuffer = graphicBuffer; 12068e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis if (mSlots[buf].mEglImage != EGL_NO_IMAGE_KHR) { 12168e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis eglDestroyImageKHR(mSlots[buf].mEglDisplay, mSlots[buf].mEglImage); 12268e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis mSlots[buf].mEglImage = EGL_NO_IMAGE_KHR; 12368e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis mSlots[buf].mEglDisplay = EGL_NO_DISPLAY; 12468e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis } 12568e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis } 12668e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis return graphicBuffer; 12768e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis} 12868e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis 12968e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennisstatus_t SurfaceTexture::dequeueBuffer(int *buf) { 1307dc00d5eb27de41f93a7e232b3cd374c84eb77d1Jamie Gennis LOGV("SurfaceTexture::dequeueBuffer"); 13168e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis Mutex::Autolock lock(mMutex); 13268e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis int found = INVALID_BUFFER_SLOT; 13368e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis for (int i = 0; i < mBufferCount; i++) { 13468e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis if (!mSlots[i].mOwnedByClient && i != mCurrentTexture) { 13568e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis mSlots[i].mOwnedByClient = true; 13668e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis found = i; 13768e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis break; 13868e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis } 13968e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis } 14068e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis if (found == INVALID_BUFFER_SLOT) { 14168e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis return -EBUSY; 14268e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis } 14368e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis *buf = found; 14468e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis return OK; 14568e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis} 14668e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis 14768e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennisstatus_t SurfaceTexture::queueBuffer(int buf) { 1487dc00d5eb27de41f93a7e232b3cd374c84eb77d1Jamie Gennis LOGV("SurfaceTexture::queueBuffer"); 14968e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis Mutex::Autolock lock(mMutex); 15068e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis if (buf < 0 || mBufferCount <= buf) { 15168e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis LOGE("queueBuffer: slot index out of range [0, %d]: %d", 15268e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis mBufferCount, buf); 15368e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis return -EINVAL; 15468e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis } else if (!mSlots[buf].mOwnedByClient) { 15568e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis LOGE("queueBuffer: slot %d is not owned by the client", buf); 15668e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis return -EINVAL; 15768e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis } else if (mSlots[buf].mGraphicBuffer == 0) { 15868e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis LOGE("queueBuffer: slot %d was enqueued without requesting a buffer", 15968e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis buf); 16068e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis return -EINVAL; 16168e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis } 16268e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis mSlots[buf].mOwnedByClient = false; 16368e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis mLastQueued = buf; 164b598fb90727be45e926a11abefc319819a733540Jamie Gennis mLastQueuedCrop = mNextCrop; 165b598fb90727be45e926a11abefc319819a733540Jamie Gennis mLastQueuedTransform = mNextTransform; 16668e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis return OK; 16768e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis} 16868e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis 16968e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennisvoid SurfaceTexture::cancelBuffer(int buf) { 1707dc00d5eb27de41f93a7e232b3cd374c84eb77d1Jamie Gennis LOGV("SurfaceTexture::cancelBuffer"); 17168e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis Mutex::Autolock lock(mMutex); 17268e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis if (buf < 0 || mBufferCount <= buf) { 17368e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis LOGE("cancelBuffer: slot index out of range [0, %d]: %d", mBufferCount, 17468e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis buf); 17568e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis return; 17668e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis } else if (!mSlots[buf].mOwnedByClient) { 17768e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis LOGE("cancelBuffer: slot %d is not owned by the client", buf); 17868e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis return; 17968e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis } 18068e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis mSlots[buf].mOwnedByClient = false; 18168e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis} 18268e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis 183b598fb90727be45e926a11abefc319819a733540Jamie Gennisstatus_t SurfaceTexture::setCrop(const Rect& crop) { 1847dc00d5eb27de41f93a7e232b3cd374c84eb77d1Jamie Gennis LOGV("SurfaceTexture::setCrop"); 18568e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis Mutex::Autolock lock(mMutex); 186b598fb90727be45e926a11abefc319819a733540Jamie Gennis mNextCrop = crop; 18768e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis return OK; 18868e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis} 18968e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis 19068e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennisstatus_t SurfaceTexture::setTransform(uint32_t transform) { 1917dc00d5eb27de41f93a7e232b3cd374c84eb77d1Jamie Gennis LOGV("SurfaceTexture::setTransform"); 19268e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis Mutex::Autolock lock(mMutex); 193b598fb90727be45e926a11abefc319819a733540Jamie Gennis mNextTransform = transform; 19468e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis return OK; 19568e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis} 19668e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis 19768e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennisstatus_t SurfaceTexture::updateTexImage() { 1987dc00d5eb27de41f93a7e232b3cd374c84eb77d1Jamie Gennis LOGV("SurfaceTexture::updateTexImage"); 19968e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis Mutex::Autolock lock(mMutex); 20068e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis 20168e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis // We always bind the texture even if we don't update its contents. 20268e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis glBindTexture(GL_TEXTURE_EXTERNAL_OES, mTexName); 20368e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis 20468e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis // Initially both mCurrentTexture and mLastQueued are INVALID_BUFFER_SLOT, 20568e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis // so this check will fail until a buffer gets queued. 20668e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis if (mCurrentTexture != mLastQueued) { 207b598fb90727be45e926a11abefc319819a733540Jamie Gennis // Update the SurfaceTexture state. 20868e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis mCurrentTexture = mLastQueued; 209b598fb90727be45e926a11abefc319819a733540Jamie Gennis mCurrentCrop = mLastQueuedCrop; 210b598fb90727be45e926a11abefc319819a733540Jamie Gennis mCurrentTransform = mLastQueuedTransform; 211b598fb90727be45e926a11abefc319819a733540Jamie Gennis 212b598fb90727be45e926a11abefc319819a733540Jamie Gennis // Update the GL texture object. 21368e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis EGLImageKHR image = mSlots[mCurrentTexture].mEglImage; 21468e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis if (image == EGL_NO_IMAGE_KHR) { 21568e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis EGLDisplay dpy = eglGetCurrentDisplay(); 21668e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis sp<GraphicBuffer> graphicBuffer = mSlots[mCurrentTexture].mGraphicBuffer; 21768e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis image = createImage(dpy, graphicBuffer); 21868e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis mSlots[mCurrentTexture].mEglImage = image; 21968e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis mSlots[mCurrentTexture].mEglDisplay = dpy; 22068e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis } 22168e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis glEGLImageTargetTexture2DOES(GL_TEXTURE_EXTERNAL_OES, (GLeglImageOES)image); 22268e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis GLint error = glGetError(); 22368e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis if (error != GL_NO_ERROR) { 22468e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis LOGE("error binding external texture image %p (slot %d): %#04x", 22568e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis image, mCurrentTexture, error); 22668e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis return -EINVAL; 22768e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis } 22868e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis } 22968e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis return OK; 23068e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis} 23168e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis 232b598fb90727be45e926a11abefc319819a733540Jamie Gennisvoid SurfaceTexture::getTransformMatrix(float mtx[16]) { 233b598fb90727be45e926a11abefc319819a733540Jamie Gennis LOGV("SurfaceTexture::updateTexImage"); 234b598fb90727be45e926a11abefc319819a733540Jamie Gennis Mutex::Autolock lock(mMutex); 235b598fb90727be45e926a11abefc319819a733540Jamie Gennis 236b598fb90727be45e926a11abefc319819a733540Jamie Gennis float* xform = mtxIdentity; 237b598fb90727be45e926a11abefc319819a733540Jamie Gennis switch (mCurrentTransform) { 238b598fb90727be45e926a11abefc319819a733540Jamie Gennis case 0: 239b598fb90727be45e926a11abefc319819a733540Jamie Gennis xform = mtxIdentity; 240b598fb90727be45e926a11abefc319819a733540Jamie Gennis break; 241b598fb90727be45e926a11abefc319819a733540Jamie Gennis case NATIVE_WINDOW_TRANSFORM_FLIP_H: 242b598fb90727be45e926a11abefc319819a733540Jamie Gennis xform = mtxFlipH; 243b598fb90727be45e926a11abefc319819a733540Jamie Gennis break; 244b598fb90727be45e926a11abefc319819a733540Jamie Gennis case NATIVE_WINDOW_TRANSFORM_FLIP_V: 245b598fb90727be45e926a11abefc319819a733540Jamie Gennis xform = mtxFlipV; 246b598fb90727be45e926a11abefc319819a733540Jamie Gennis break; 247b598fb90727be45e926a11abefc319819a733540Jamie Gennis case NATIVE_WINDOW_TRANSFORM_ROT_90: 248b598fb90727be45e926a11abefc319819a733540Jamie Gennis xform = mtxRot90; 249b598fb90727be45e926a11abefc319819a733540Jamie Gennis break; 250b598fb90727be45e926a11abefc319819a733540Jamie Gennis case NATIVE_WINDOW_TRANSFORM_ROT_180: 251b598fb90727be45e926a11abefc319819a733540Jamie Gennis xform = mtxRot180; 252b598fb90727be45e926a11abefc319819a733540Jamie Gennis break; 253b598fb90727be45e926a11abefc319819a733540Jamie Gennis case NATIVE_WINDOW_TRANSFORM_ROT_270: 254b598fb90727be45e926a11abefc319819a733540Jamie Gennis xform = mtxRot270; 255b598fb90727be45e926a11abefc319819a733540Jamie Gennis break; 256b598fb90727be45e926a11abefc319819a733540Jamie Gennis default: 257b598fb90727be45e926a11abefc319819a733540Jamie Gennis LOGE("getTransformMatrix: unknown transform: %d", mCurrentTransform); 258b598fb90727be45e926a11abefc319819a733540Jamie Gennis } 259b598fb90727be45e926a11abefc319819a733540Jamie Gennis 260b598fb90727be45e926a11abefc319819a733540Jamie Gennis sp<GraphicBuffer>& buf(mSlots[mCurrentTexture].mGraphicBuffer); 261b598fb90727be45e926a11abefc319819a733540Jamie Gennis float tx = float(mCurrentCrop.left) / float(buf->getWidth()); 262b598fb90727be45e926a11abefc319819a733540Jamie Gennis float ty = float(mCurrentCrop.bottom) / float(buf->getHeight()); 263b598fb90727be45e926a11abefc319819a733540Jamie Gennis float sx = float(mCurrentCrop.width()) / float(buf->getWidth()); 264b598fb90727be45e926a11abefc319819a733540Jamie Gennis float sy = float(mCurrentCrop.height()) / float(buf->getHeight()); 265b598fb90727be45e926a11abefc319819a733540Jamie Gennis float crop[16] = { 266b598fb90727be45e926a11abefc319819a733540Jamie Gennis sx, 0, 0, sx*tx, 267b598fb90727be45e926a11abefc319819a733540Jamie Gennis 0, sy, 0, sy*ty, 268b598fb90727be45e926a11abefc319819a733540Jamie Gennis 0, 0, 1, 0, 269b598fb90727be45e926a11abefc319819a733540Jamie Gennis 0, 0, 0, 1, 270b598fb90727be45e926a11abefc319819a733540Jamie Gennis }; 271b598fb90727be45e926a11abefc319819a733540Jamie Gennis 272b598fb90727be45e926a11abefc319819a733540Jamie Gennis mtxMul(mtx, crop, xform); 273b598fb90727be45e926a11abefc319819a733540Jamie Gennis} 274b598fb90727be45e926a11abefc319819a733540Jamie Gennis 27568e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennisvoid SurfaceTexture::freeAllBuffers() { 27668e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis for (int i = 0; i < NUM_BUFFER_SLOTS; i++) { 27768e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis mSlots[i].mGraphicBuffer = 0; 27868e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis mSlots[i].mOwnedByClient = false; 27968e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis if (mSlots[i].mEglImage != EGL_NO_IMAGE_KHR) { 28068e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis eglDestroyImageKHR(mSlots[i].mEglDisplay, mSlots[i].mEglImage); 28168e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis mSlots[i].mEglImage = EGL_NO_IMAGE_KHR; 28268e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis mSlots[i].mEglDisplay = EGL_NO_DISPLAY; 28368e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis } 28468e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis } 28568e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis} 28668e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis 28768e4a7ac849b681b1fb769857fc04f64262480c4Jamie GennisEGLImageKHR SurfaceTexture::createImage(EGLDisplay dpy, 28868e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis const sp<GraphicBuffer>& graphicBuffer) { 28968e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis EGLClientBuffer cbuf = (EGLClientBuffer)graphicBuffer->getNativeBuffer(); 29068e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis EGLint attrs[] = { 29168e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis EGL_IMAGE_PRESERVED_KHR, EGL_TRUE, 29268e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis EGL_NONE, 29368e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis }; 29468e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis EGLImageKHR image = eglCreateImageKHR(dpy, EGL_NO_CONTEXT, 29568e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis EGL_NATIVE_BUFFER_ANDROID, cbuf, attrs); 29668e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis EGLint error = eglGetError(); 29768e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis if (error != EGL_SUCCESS) { 29868e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis LOGE("error creating EGLImage: %#x", error); 29968e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis } else if (image == EGL_NO_IMAGE_KHR) { 30068e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis LOGE("no error reported, but no image was returned by " 30168e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis "eglCreateImageKHR"); 30268e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis } 30368e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis return image; 30468e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis} 30568e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis 306b598fb90727be45e926a11abefc319819a733540Jamie Gennisstatic void mtxMul(float out[16], const float a[16], const float b[16]) { 307b598fb90727be45e926a11abefc319819a733540Jamie Gennis out[0] = a[0]*b[0] + a[4]*b[1] + a[8]*b[2] + a[12]*b[3]; 308b598fb90727be45e926a11abefc319819a733540Jamie Gennis out[1] = a[1]*b[0] + a[5]*b[1] + a[9]*b[2] + a[13]*b[3]; 309b598fb90727be45e926a11abefc319819a733540Jamie Gennis out[2] = a[2]*b[0] + a[6]*b[1] + a[10]*b[2] + a[14]*b[3]; 310b598fb90727be45e926a11abefc319819a733540Jamie Gennis out[3] = a[3]*b[0] + a[7]*b[1] + a[11]*b[2] + a[15]*b[3]; 311b598fb90727be45e926a11abefc319819a733540Jamie Gennis 312b598fb90727be45e926a11abefc319819a733540Jamie Gennis out[4] = a[0]*b[4] + a[4]*b[5] + a[8]*b[6] + a[12]*b[7]; 313b598fb90727be45e926a11abefc319819a733540Jamie Gennis out[5] = a[1]*b[4] + a[5]*b[5] + a[9]*b[6] + a[13]*b[7]; 314b598fb90727be45e926a11abefc319819a733540Jamie Gennis out[6] = a[2]*b[4] + a[6]*b[5] + a[10]*b[6] + a[14]*b[7]; 315b598fb90727be45e926a11abefc319819a733540Jamie Gennis out[7] = a[3]*b[4] + a[7]*b[5] + a[11]*b[6] + a[15]*b[7]; 316b598fb90727be45e926a11abefc319819a733540Jamie Gennis 317b598fb90727be45e926a11abefc319819a733540Jamie Gennis out[8] = a[0]*b[8] + a[4]*b[9] + a[8]*b[10] + a[12]*b[11]; 318b598fb90727be45e926a11abefc319819a733540Jamie Gennis out[9] = a[1]*b[8] + a[5]*b[9] + a[9]*b[10] + a[13]*b[11]; 319b598fb90727be45e926a11abefc319819a733540Jamie Gennis out[10] = a[2]*b[8] + a[6]*b[9] + a[10]*b[10] + a[14]*b[11]; 320b598fb90727be45e926a11abefc319819a733540Jamie Gennis out[11] = a[3]*b[8] + a[7]*b[9] + a[11]*b[10] + a[15]*b[11]; 321b598fb90727be45e926a11abefc319819a733540Jamie Gennis 322b598fb90727be45e926a11abefc319819a733540Jamie Gennis out[12] = a[0]*b[12] + a[4]*b[13] + a[8]*b[14] + a[12]*b[15]; 323b598fb90727be45e926a11abefc319819a733540Jamie Gennis out[13] = a[1]*b[12] + a[5]*b[13] + a[9]*b[14] + a[13]*b[15]; 324b598fb90727be45e926a11abefc319819a733540Jamie Gennis out[14] = a[2]*b[12] + a[6]*b[13] + a[10]*b[14] + a[14]*b[15]; 325b598fb90727be45e926a11abefc319819a733540Jamie Gennis out[15] = a[3]*b[12] + a[7]*b[13] + a[11]*b[14] + a[15]*b[15]; 326b598fb90727be45e926a11abefc319819a733540Jamie Gennis} 327b598fb90727be45e926a11abefc319819a733540Jamie Gennis 32868e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis}; // namespace android 329