SurfaceTexture.cpp revision f7acf162f8d682c6ebc9af41ca76795b79509193
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> 32f7acf162f8d682c6ebc9af41ca76795b79509193Jamie Gennis#include <surfaceflinger/IGraphicBufferAlloc.h> 3368e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis 3468e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis#include <utils/Log.h> 3568e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis 3668e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennisnamespace android { 3768e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis 38b598fb90727be45e926a11abefc319819a733540Jamie Gennis// Transform matrices 39b598fb90727be45e926a11abefc319819a733540Jamie Gennisstatic float mtxIdentity[16] = { 40b598fb90727be45e926a11abefc319819a733540Jamie Gennis 1, 0, 0, 0, 41b598fb90727be45e926a11abefc319819a733540Jamie Gennis 0, 1, 0, 0, 42b598fb90727be45e926a11abefc319819a733540Jamie Gennis 0, 0, 1, 0, 43b598fb90727be45e926a11abefc319819a733540Jamie Gennis 0, 0, 0, 1, 44b598fb90727be45e926a11abefc319819a733540Jamie Gennis}; 45b598fb90727be45e926a11abefc319819a733540Jamie Gennisstatic float mtxFlipH[16] = { 46b598fb90727be45e926a11abefc319819a733540Jamie Gennis -1, 0, 0, 0, 47b598fb90727be45e926a11abefc319819a733540Jamie Gennis 0, 1, 0, 0, 48b598fb90727be45e926a11abefc319819a733540Jamie Gennis 0, 0, 1, 0, 49b598fb90727be45e926a11abefc319819a733540Jamie Gennis 1, 0, 0, 1, 50b598fb90727be45e926a11abefc319819a733540Jamie Gennis}; 51b598fb90727be45e926a11abefc319819a733540Jamie Gennisstatic float mtxFlipV[16] = { 52b598fb90727be45e926a11abefc319819a733540Jamie Gennis 1, 0, 0, 0, 53b598fb90727be45e926a11abefc319819a733540Jamie Gennis 0, -1, 0, 0, 54b598fb90727be45e926a11abefc319819a733540Jamie Gennis 0, 0, 1, 0, 55b598fb90727be45e926a11abefc319819a733540Jamie Gennis 0, 1, 0, 1, 56b598fb90727be45e926a11abefc319819a733540Jamie Gennis}; 57b598fb90727be45e926a11abefc319819a733540Jamie Gennisstatic float mtxRot90[16] = { 58b598fb90727be45e926a11abefc319819a733540Jamie Gennis 0, 1, 0, 0, 59b598fb90727be45e926a11abefc319819a733540Jamie Gennis -1, 0, 0, 0, 60b598fb90727be45e926a11abefc319819a733540Jamie Gennis 0, 0, 1, 0, 61b598fb90727be45e926a11abefc319819a733540Jamie Gennis 1, 0, 0, 1, 62b598fb90727be45e926a11abefc319819a733540Jamie Gennis}; 63b598fb90727be45e926a11abefc319819a733540Jamie Gennisstatic float mtxRot180[16] = { 64b598fb90727be45e926a11abefc319819a733540Jamie Gennis -1, 0, 0, 0, 65b598fb90727be45e926a11abefc319819a733540Jamie Gennis 0, -1, 0, 0, 66b598fb90727be45e926a11abefc319819a733540Jamie Gennis 0, 0, 1, 0, 67b598fb90727be45e926a11abefc319819a733540Jamie Gennis 1, 1, 0, 1, 68b598fb90727be45e926a11abefc319819a733540Jamie Gennis}; 69b598fb90727be45e926a11abefc319819a733540Jamie Gennisstatic float mtxRot270[16] = { 70b598fb90727be45e926a11abefc319819a733540Jamie Gennis 0, -1, 0, 0, 71b598fb90727be45e926a11abefc319819a733540Jamie Gennis 1, 0, 0, 0, 72b598fb90727be45e926a11abefc319819a733540Jamie Gennis 0, 0, 1, 0, 73b598fb90727be45e926a11abefc319819a733540Jamie Gennis 0, 1, 0, 1, 74b598fb90727be45e926a11abefc319819a733540Jamie Gennis}; 75b598fb90727be45e926a11abefc319819a733540Jamie Gennis 76b598fb90727be45e926a11abefc319819a733540Jamie Gennisstatic void mtxMul(float out[16], const float a[16], const float b[16]); 77b598fb90727be45e926a11abefc319819a733540Jamie Gennis 7868e4a7ac849b681b1fb769857fc04f64262480c4Jamie GennisSurfaceTexture::SurfaceTexture(GLuint tex) : 7968e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis mBufferCount(MIN_BUFFER_SLOTS), mCurrentTexture(INVALID_BUFFER_SLOT), 8068e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis mLastQueued(INVALID_BUFFER_SLOT), mTexName(tex) { 817dc00d5eb27de41f93a7e232b3cd374c84eb77d1Jamie Gennis LOGV("SurfaceTexture::SurfaceTexture"); 82fd804f31a36c31661859b53bbee1bb408462ddcaJamie Gennis for (int i = 0; i < NUM_BUFFER_SLOTS; i++) { 83fd804f31a36c31661859b53bbee1bb408462ddcaJamie Gennis mSlots[i].mEglImage = EGL_NO_IMAGE_KHR; 84fd804f31a36c31661859b53bbee1bb408462ddcaJamie Gennis mSlots[i].mEglDisplay = EGL_NO_DISPLAY; 85fd804f31a36c31661859b53bbee1bb408462ddcaJamie Gennis mSlots[i].mOwnedByClient = false; 86fd804f31a36c31661859b53bbee1bb408462ddcaJamie Gennis } 87f7acf162f8d682c6ebc9af41ca76795b79509193Jamie Gennis sp<ISurfaceComposer> composer(ComposerService::getComposerService()); 88f7acf162f8d682c6ebc9af41ca76795b79509193Jamie Gennis mGraphicBufferAlloc = composer->createGraphicBufferAlloc(); 8968e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis} 9068e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis 9168e4a7ac849b681b1fb769857fc04f64262480c4Jamie GennisSurfaceTexture::~SurfaceTexture() { 927dc00d5eb27de41f93a7e232b3cd374c84eb77d1Jamie Gennis LOGV("SurfaceTexture::~SurfaceTexture"); 9368e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis freeAllBuffers(); 9468e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis} 9568e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis 9668e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennisstatus_t SurfaceTexture::setBufferCount(int bufferCount) { 977dc00d5eb27de41f93a7e232b3cd374c84eb77d1Jamie Gennis LOGV("SurfaceTexture::setBufferCount"); 9868e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis Mutex::Autolock lock(mMutex); 9968e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis freeAllBuffers(); 10068e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis mBufferCount = bufferCount; 101d369dc42506ec003f1839bb9e27edada411324b5Jamie Gennis mCurrentTexture = INVALID_BUFFER_SLOT; 102d369dc42506ec003f1839bb9e27edada411324b5Jamie Gennis mLastQueued = INVALID_BUFFER_SLOT; 10368e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis return OK; 10468e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis} 10568e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis 10668e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennissp<GraphicBuffer> SurfaceTexture::requestBuffer(int buf, 10768e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis uint32_t w, uint32_t h, uint32_t format, uint32_t usage) { 1087dc00d5eb27de41f93a7e232b3cd374c84eb77d1Jamie Gennis LOGV("SurfaceTexture::requestBuffer"); 10968e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis Mutex::Autolock lock(mMutex); 11068e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis if (buf < 0 || mBufferCount <= buf) { 11168e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis LOGE("requestBuffer: slot index out of range [0, %d]: %d", 11268e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis mBufferCount, buf); 11368e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis return 0; 11468e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis } 11568e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis usage |= GraphicBuffer::USAGE_HW_TEXTURE; 116f7acf162f8d682c6ebc9af41ca76795b79509193Jamie Gennis sp<GraphicBuffer> graphicBuffer( 117f7acf162f8d682c6ebc9af41ca76795b79509193Jamie Gennis mGraphicBufferAlloc->createGraphicBuffer(w, h, format, usage)); 11868e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis if (graphicBuffer == 0) { 11968e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis LOGE("requestBuffer: SurfaceComposer::createGraphicBuffer failed"); 12068e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis } else { 12168e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis mSlots[buf].mGraphicBuffer = graphicBuffer; 12268e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis if (mSlots[buf].mEglImage != EGL_NO_IMAGE_KHR) { 12368e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis eglDestroyImageKHR(mSlots[buf].mEglDisplay, mSlots[buf].mEglImage); 12468e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis mSlots[buf].mEglImage = EGL_NO_IMAGE_KHR; 12568e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis mSlots[buf].mEglDisplay = EGL_NO_DISPLAY; 12668e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis } 127f7acf162f8d682c6ebc9af41ca76795b79509193Jamie Gennis mAllocdBuffers.add(graphicBuffer); 12868e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis } 12968e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis return graphicBuffer; 13068e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis} 13168e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis 13268e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennisstatus_t SurfaceTexture::dequeueBuffer(int *buf) { 1337dc00d5eb27de41f93a7e232b3cd374c84eb77d1Jamie Gennis LOGV("SurfaceTexture::dequeueBuffer"); 13468e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis Mutex::Autolock lock(mMutex); 13568e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis int found = INVALID_BUFFER_SLOT; 13668e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis for (int i = 0; i < mBufferCount; i++) { 137a7eacc148adec1ee26636a0c727ceefa9e012ba6Jamie Gennis if (!mSlots[i].mOwnedByClient && i != mCurrentTexture && i != mLastQueued) { 13868e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis mSlots[i].mOwnedByClient = true; 13968e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis found = i; 14068e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis break; 14168e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis } 14268e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis } 14368e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis if (found == INVALID_BUFFER_SLOT) { 14468e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis return -EBUSY; 14568e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis } 14668e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis *buf = found; 14768e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis return OK; 14868e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis} 14968e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis 15068e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennisstatus_t SurfaceTexture::queueBuffer(int buf) { 1517dc00d5eb27de41f93a7e232b3cd374c84eb77d1Jamie Gennis LOGV("SurfaceTexture::queueBuffer"); 15268e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis Mutex::Autolock lock(mMutex); 15368e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis if (buf < 0 || mBufferCount <= buf) { 15468e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis LOGE("queueBuffer: slot index out of range [0, %d]: %d", 15568e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis mBufferCount, buf); 15668e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis return -EINVAL; 15768e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis } else if (!mSlots[buf].mOwnedByClient) { 15868e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis LOGE("queueBuffer: slot %d is not owned by the client", buf); 15968e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis return -EINVAL; 16068e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis } else if (mSlots[buf].mGraphicBuffer == 0) { 16168e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis LOGE("queueBuffer: slot %d was enqueued without requesting a buffer", 16268e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis buf); 16368e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis return -EINVAL; 16468e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis } 16568e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis mSlots[buf].mOwnedByClient = false; 16668e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis mLastQueued = buf; 167b598fb90727be45e926a11abefc319819a733540Jamie Gennis mLastQueuedCrop = mNextCrop; 168b598fb90727be45e926a11abefc319819a733540Jamie Gennis mLastQueuedTransform = mNextTransform; 16968e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis return OK; 17068e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis} 17168e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis 17268e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennisvoid SurfaceTexture::cancelBuffer(int buf) { 1737dc00d5eb27de41f93a7e232b3cd374c84eb77d1Jamie Gennis LOGV("SurfaceTexture::cancelBuffer"); 17468e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis Mutex::Autolock lock(mMutex); 17568e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis if (buf < 0 || mBufferCount <= buf) { 17668e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis LOGE("cancelBuffer: slot index out of range [0, %d]: %d", mBufferCount, 17768e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis buf); 17868e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis return; 17968e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis } else if (!mSlots[buf].mOwnedByClient) { 18068e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis LOGE("cancelBuffer: slot %d is not owned by the client", buf); 18168e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis return; 18268e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis } 18368e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis mSlots[buf].mOwnedByClient = false; 18468e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis} 18568e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis 186b598fb90727be45e926a11abefc319819a733540Jamie Gennisstatus_t SurfaceTexture::setCrop(const Rect& crop) { 1877dc00d5eb27de41f93a7e232b3cd374c84eb77d1Jamie Gennis LOGV("SurfaceTexture::setCrop"); 18868e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis Mutex::Autolock lock(mMutex); 189b598fb90727be45e926a11abefc319819a733540Jamie Gennis mNextCrop = crop; 19068e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis return OK; 19168e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis} 19268e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis 19368e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennisstatus_t SurfaceTexture::setTransform(uint32_t transform) { 1947dc00d5eb27de41f93a7e232b3cd374c84eb77d1Jamie Gennis LOGV("SurfaceTexture::setTransform"); 19568e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis Mutex::Autolock lock(mMutex); 196b598fb90727be45e926a11abefc319819a733540Jamie Gennis mNextTransform = transform; 19768e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis return OK; 19868e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis} 19968e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis 20068e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennisstatus_t SurfaceTexture::updateTexImage() { 2017dc00d5eb27de41f93a7e232b3cd374c84eb77d1Jamie Gennis LOGV("SurfaceTexture::updateTexImage"); 20268e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis Mutex::Autolock lock(mMutex); 20368e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis 20468e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis // We always bind the texture even if we don't update its contents. 20568e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis glBindTexture(GL_TEXTURE_EXTERNAL_OES, mTexName); 20668e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis 20768e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis // Initially both mCurrentTexture and mLastQueued are INVALID_BUFFER_SLOT, 20868e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis // so this check will fail until a buffer gets queued. 20968e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis if (mCurrentTexture != mLastQueued) { 210b598fb90727be45e926a11abefc319819a733540Jamie Gennis // Update the GL texture object. 211f7acf162f8d682c6ebc9af41ca76795b79509193Jamie Gennis EGLImageKHR image = mSlots[mLastQueued].mEglImage; 21268e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis if (image == EGL_NO_IMAGE_KHR) { 21368e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis EGLDisplay dpy = eglGetCurrentDisplay(); 214f7acf162f8d682c6ebc9af41ca76795b79509193Jamie Gennis sp<GraphicBuffer> graphicBuffer = mSlots[mLastQueued].mGraphicBuffer; 21568e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis image = createImage(dpy, graphicBuffer); 216f7acf162f8d682c6ebc9af41ca76795b79509193Jamie Gennis mSlots[mLastQueued].mEglImage = image; 217f7acf162f8d682c6ebc9af41ca76795b79509193Jamie Gennis mSlots[mLastQueued].mEglDisplay = dpy; 21868e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis } 21968e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis glEGLImageTargetTexture2DOES(GL_TEXTURE_EXTERNAL_OES, (GLeglImageOES)image); 22068e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis GLint error = glGetError(); 22168e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis if (error != GL_NO_ERROR) { 22268e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis LOGE("error binding external texture image %p (slot %d): %#04x", 223f7acf162f8d682c6ebc9af41ca76795b79509193Jamie Gennis image, mLastQueued, error); 22468e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis return -EINVAL; 22568e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis } 226f7acf162f8d682c6ebc9af41ca76795b79509193Jamie Gennis 227f7acf162f8d682c6ebc9af41ca76795b79509193Jamie Gennis // Update the SurfaceTexture state. 228f7acf162f8d682c6ebc9af41ca76795b79509193Jamie Gennis mCurrentTexture = mLastQueued; 229f7acf162f8d682c6ebc9af41ca76795b79509193Jamie Gennis mCurrentTextureBuf = mSlots[mCurrentTexture].mGraphicBuffer; 230f7acf162f8d682c6ebc9af41ca76795b79509193Jamie Gennis mCurrentCrop = mLastQueuedCrop; 231f7acf162f8d682c6ebc9af41ca76795b79509193Jamie Gennis mCurrentTransform = mLastQueuedTransform; 23268e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis } 23368e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis return OK; 23468e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis} 23568e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis 236b598fb90727be45e926a11abefc319819a733540Jamie Gennisvoid SurfaceTexture::getTransformMatrix(float mtx[16]) { 237b598fb90727be45e926a11abefc319819a733540Jamie Gennis LOGV("SurfaceTexture::updateTexImage"); 238b598fb90727be45e926a11abefc319819a733540Jamie Gennis Mutex::Autolock lock(mMutex); 239b598fb90727be45e926a11abefc319819a733540Jamie Gennis 240b598fb90727be45e926a11abefc319819a733540Jamie Gennis float* xform = mtxIdentity; 241b598fb90727be45e926a11abefc319819a733540Jamie Gennis switch (mCurrentTransform) { 242b598fb90727be45e926a11abefc319819a733540Jamie Gennis case 0: 243b598fb90727be45e926a11abefc319819a733540Jamie Gennis xform = mtxIdentity; 244b598fb90727be45e926a11abefc319819a733540Jamie Gennis break; 245b598fb90727be45e926a11abefc319819a733540Jamie Gennis case NATIVE_WINDOW_TRANSFORM_FLIP_H: 246b598fb90727be45e926a11abefc319819a733540Jamie Gennis xform = mtxFlipH; 247b598fb90727be45e926a11abefc319819a733540Jamie Gennis break; 248b598fb90727be45e926a11abefc319819a733540Jamie Gennis case NATIVE_WINDOW_TRANSFORM_FLIP_V: 249b598fb90727be45e926a11abefc319819a733540Jamie Gennis xform = mtxFlipV; 250b598fb90727be45e926a11abefc319819a733540Jamie Gennis break; 251b598fb90727be45e926a11abefc319819a733540Jamie Gennis case NATIVE_WINDOW_TRANSFORM_ROT_90: 252b598fb90727be45e926a11abefc319819a733540Jamie Gennis xform = mtxRot90; 253b598fb90727be45e926a11abefc319819a733540Jamie Gennis break; 254b598fb90727be45e926a11abefc319819a733540Jamie Gennis case NATIVE_WINDOW_TRANSFORM_ROT_180: 255b598fb90727be45e926a11abefc319819a733540Jamie Gennis xform = mtxRot180; 256b598fb90727be45e926a11abefc319819a733540Jamie Gennis break; 257b598fb90727be45e926a11abefc319819a733540Jamie Gennis case NATIVE_WINDOW_TRANSFORM_ROT_270: 258b598fb90727be45e926a11abefc319819a733540Jamie Gennis xform = mtxRot270; 259b598fb90727be45e926a11abefc319819a733540Jamie Gennis break; 260b598fb90727be45e926a11abefc319819a733540Jamie Gennis default: 261b598fb90727be45e926a11abefc319819a733540Jamie Gennis LOGE("getTransformMatrix: unknown transform: %d", mCurrentTransform); 262b598fb90727be45e926a11abefc319819a733540Jamie Gennis } 263b598fb90727be45e926a11abefc319819a733540Jamie Gennis 264b598fb90727be45e926a11abefc319819a733540Jamie Gennis sp<GraphicBuffer>& buf(mSlots[mCurrentTexture].mGraphicBuffer); 265b598fb90727be45e926a11abefc319819a733540Jamie Gennis float tx = float(mCurrentCrop.left) / float(buf->getWidth()); 266b598fb90727be45e926a11abefc319819a733540Jamie Gennis float ty = float(mCurrentCrop.bottom) / float(buf->getHeight()); 267b598fb90727be45e926a11abefc319819a733540Jamie Gennis float sx = float(mCurrentCrop.width()) / float(buf->getWidth()); 268b598fb90727be45e926a11abefc319819a733540Jamie Gennis float sy = float(mCurrentCrop.height()) / float(buf->getHeight()); 269b598fb90727be45e926a11abefc319819a733540Jamie Gennis float crop[16] = { 270b598fb90727be45e926a11abefc319819a733540Jamie Gennis sx, 0, 0, sx*tx, 271b598fb90727be45e926a11abefc319819a733540Jamie Gennis 0, sy, 0, sy*ty, 272b598fb90727be45e926a11abefc319819a733540Jamie Gennis 0, 0, 1, 0, 273b598fb90727be45e926a11abefc319819a733540Jamie Gennis 0, 0, 0, 1, 274b598fb90727be45e926a11abefc319819a733540Jamie Gennis }; 275b598fb90727be45e926a11abefc319819a733540Jamie Gennis 276b598fb90727be45e926a11abefc319819a733540Jamie Gennis mtxMul(mtx, crop, xform); 277b598fb90727be45e926a11abefc319819a733540Jamie Gennis} 278b598fb90727be45e926a11abefc319819a733540Jamie Gennis 27968e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennisvoid SurfaceTexture::freeAllBuffers() { 28068e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis for (int i = 0; i < NUM_BUFFER_SLOTS; i++) { 28168e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis mSlots[i].mGraphicBuffer = 0; 28268e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis mSlots[i].mOwnedByClient = false; 28368e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis if (mSlots[i].mEglImage != EGL_NO_IMAGE_KHR) { 28468e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis eglDestroyImageKHR(mSlots[i].mEglDisplay, mSlots[i].mEglImage); 28568e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis mSlots[i].mEglImage = EGL_NO_IMAGE_KHR; 28668e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis mSlots[i].mEglDisplay = EGL_NO_DISPLAY; 28768e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis } 28868e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis } 289f7acf162f8d682c6ebc9af41ca76795b79509193Jamie Gennis 290f7acf162f8d682c6ebc9af41ca76795b79509193Jamie Gennis int exceptBuf = -1; 291f7acf162f8d682c6ebc9af41ca76795b79509193Jamie Gennis for (size_t i = 0; i < mAllocdBuffers.size(); i++) { 292f7acf162f8d682c6ebc9af41ca76795b79509193Jamie Gennis if (mAllocdBuffers[i] == mCurrentTextureBuf) { 293f7acf162f8d682c6ebc9af41ca76795b79509193Jamie Gennis exceptBuf = i; 294f7acf162f8d682c6ebc9af41ca76795b79509193Jamie Gennis break; 295f7acf162f8d682c6ebc9af41ca76795b79509193Jamie Gennis } 296f7acf162f8d682c6ebc9af41ca76795b79509193Jamie Gennis } 297f7acf162f8d682c6ebc9af41ca76795b79509193Jamie Gennis mAllocdBuffers.clear(); 298f7acf162f8d682c6ebc9af41ca76795b79509193Jamie Gennis if (exceptBuf >= 0) { 299f7acf162f8d682c6ebc9af41ca76795b79509193Jamie Gennis mAllocdBuffers.add(mCurrentTextureBuf); 300f7acf162f8d682c6ebc9af41ca76795b79509193Jamie Gennis } 301f7acf162f8d682c6ebc9af41ca76795b79509193Jamie Gennis mGraphicBufferAlloc->freeAllGraphicBuffersExcept(exceptBuf); 30268e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis} 30368e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis 30468e4a7ac849b681b1fb769857fc04f64262480c4Jamie GennisEGLImageKHR SurfaceTexture::createImage(EGLDisplay dpy, 30568e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis const sp<GraphicBuffer>& graphicBuffer) { 30668e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis EGLClientBuffer cbuf = (EGLClientBuffer)graphicBuffer->getNativeBuffer(); 30768e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis EGLint attrs[] = { 30868e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis EGL_IMAGE_PRESERVED_KHR, EGL_TRUE, 30968e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis EGL_NONE, 31068e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis }; 31168e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis EGLImageKHR image = eglCreateImageKHR(dpy, EGL_NO_CONTEXT, 31268e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis EGL_NATIVE_BUFFER_ANDROID, cbuf, attrs); 31368e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis EGLint error = eglGetError(); 31468e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis if (error != EGL_SUCCESS) { 31568e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis LOGE("error creating EGLImage: %#x", error); 31668e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis } else if (image == EGL_NO_IMAGE_KHR) { 31768e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis LOGE("no error reported, but no image was returned by " 31868e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis "eglCreateImageKHR"); 31968e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis } 32068e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis return image; 32168e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis} 32268e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis 323b598fb90727be45e926a11abefc319819a733540Jamie Gennisstatic void mtxMul(float out[16], const float a[16], const float b[16]) { 324b598fb90727be45e926a11abefc319819a733540Jamie Gennis out[0] = a[0]*b[0] + a[4]*b[1] + a[8]*b[2] + a[12]*b[3]; 325b598fb90727be45e926a11abefc319819a733540Jamie Gennis out[1] = a[1]*b[0] + a[5]*b[1] + a[9]*b[2] + a[13]*b[3]; 326b598fb90727be45e926a11abefc319819a733540Jamie Gennis out[2] = a[2]*b[0] + a[6]*b[1] + a[10]*b[2] + a[14]*b[3]; 327b598fb90727be45e926a11abefc319819a733540Jamie Gennis out[3] = a[3]*b[0] + a[7]*b[1] + a[11]*b[2] + a[15]*b[3]; 328b598fb90727be45e926a11abefc319819a733540Jamie Gennis 329b598fb90727be45e926a11abefc319819a733540Jamie Gennis out[4] = a[0]*b[4] + a[4]*b[5] + a[8]*b[6] + a[12]*b[7]; 330b598fb90727be45e926a11abefc319819a733540Jamie Gennis out[5] = a[1]*b[4] + a[5]*b[5] + a[9]*b[6] + a[13]*b[7]; 331b598fb90727be45e926a11abefc319819a733540Jamie Gennis out[6] = a[2]*b[4] + a[6]*b[5] + a[10]*b[6] + a[14]*b[7]; 332b598fb90727be45e926a11abefc319819a733540Jamie Gennis out[7] = a[3]*b[4] + a[7]*b[5] + a[11]*b[6] + a[15]*b[7]; 333b598fb90727be45e926a11abefc319819a733540Jamie Gennis 334b598fb90727be45e926a11abefc319819a733540Jamie Gennis out[8] = a[0]*b[8] + a[4]*b[9] + a[8]*b[10] + a[12]*b[11]; 335b598fb90727be45e926a11abefc319819a733540Jamie Gennis out[9] = a[1]*b[8] + a[5]*b[9] + a[9]*b[10] + a[13]*b[11]; 336b598fb90727be45e926a11abefc319819a733540Jamie Gennis out[10] = a[2]*b[8] + a[6]*b[9] + a[10]*b[10] + a[14]*b[11]; 337b598fb90727be45e926a11abefc319819a733540Jamie Gennis out[11] = a[3]*b[8] + a[7]*b[9] + a[11]*b[10] + a[15]*b[11]; 338b598fb90727be45e926a11abefc319819a733540Jamie Gennis 339b598fb90727be45e926a11abefc319819a733540Jamie Gennis out[12] = a[0]*b[12] + a[4]*b[13] + a[8]*b[14] + a[12]*b[15]; 340b598fb90727be45e926a11abefc319819a733540Jamie Gennis out[13] = a[1]*b[12] + a[5]*b[13] + a[9]*b[14] + a[13]*b[15]; 341b598fb90727be45e926a11abefc319819a733540Jamie Gennis out[14] = a[2]*b[12] + a[6]*b[13] + a[10]*b[14] + a[14]*b[15]; 342b598fb90727be45e926a11abefc319819a733540Jamie Gennis out[15] = a[3]*b[12] + a[7]*b[13] + a[11]*b[14] + a[15]*b[15]; 343b598fb90727be45e926a11abefc319819a733540Jamie Gennis} 344b598fb90727be45e926a11abefc319819a733540Jamie Gennis 34568e4a7ac849b681b1fb769857fc04f64262480c4Jamie Gennis}; // namespace android 346