963 lines
31 KiB
C++
963 lines
31 KiB
C++
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "GLConsumer"
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#define ATRACE_TAG ATRACE_TAG_GRAPHICS
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//#define LOG_NDEBUG 0
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#define GL_GLEXT_PROTOTYPES
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#define EGL_EGLEXT_PROTOTYPES
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#include <EGL/egl.h>
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#include <EGL/eglext.h>
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#include <GLES2/gl2.h>
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#include <GLES2/gl2ext.h>
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#include <hardware/hardware.h>
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#include <gui/IGraphicBufferAlloc.h>
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#include <gui/ISurfaceComposer.h>
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#include <gui/SurfaceComposerClient.h>
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#include <gui/GLConsumer.h>
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#include <private/gui/ComposerService.h>
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#include <utils/Log.h>
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#include <utils/String8.h>
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#include <utils/Trace.h>
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namespace android {
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// This compile option makes GLConsumer use the
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// EGL_ANDROID_native_fence_sync extension to create Android native fences to
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// signal when all GLES reads for a given buffer have completed. It is not
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// compatible with using the EGL_KHR_fence_sync extension for the same
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// purpose.
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#ifdef USE_NATIVE_FENCE_SYNC
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#ifdef USE_FENCE_SYNC
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#error "USE_NATIVE_FENCE_SYNC and USE_FENCE_SYNC are incompatible"
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#endif
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const bool GLConsumer::sUseNativeFenceSync = true;
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#else
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const bool GLConsumer::sUseNativeFenceSync = false;
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#endif
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// This compile option makes GLConsumer use the EGL_ANDROID_sync_wait
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// extension to insert server-side waits into the GLES command stream. This
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// feature requires the EGL_ANDROID_native_fence_sync and
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// EGL_ANDROID_wait_sync extensions.
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#ifdef USE_WAIT_SYNC
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static const bool useWaitSync = true;
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#else
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static const bool useWaitSync = false;
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#endif
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// Macros for including the GLConsumer name in log messages
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#define ST_LOGV(x, ...) ALOGV("[%s] "x, mName.string(), ##__VA_ARGS__)
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#define ST_LOGD(x, ...) ALOGD("[%s] "x, mName.string(), ##__VA_ARGS__)
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#define ST_LOGI(x, ...) ALOGI("[%s] "x, mName.string(), ##__VA_ARGS__)
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#define ST_LOGW(x, ...) ALOGW("[%s] "x, mName.string(), ##__VA_ARGS__)
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#define ST_LOGE(x, ...) ALOGE("[%s] "x, mName.string(), ##__VA_ARGS__)
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// Transform matrices
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static float mtxIdentity[16] = {
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1, 0, 0, 0,
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0, 1, 0, 0,
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0, 0, 1, 0,
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0, 0, 0, 1,
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};
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static float mtxFlipH[16] = {
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-1, 0, 0, 0,
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0, 1, 0, 0,
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0, 0, 1, 0,
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1, 0, 0, 1,
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};
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static float mtxFlipV[16] = {
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1, 0, 0, 0,
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0, -1, 0, 0,
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0, 0, 1, 0,
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0, 1, 0, 1,
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};
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static float mtxRot90[16] = {
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0, 1, 0, 0,
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-1, 0, 0, 0,
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0, 0, 1, 0,
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1, 0, 0, 1,
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};
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static float mtxRot180[16] = {
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-1, 0, 0, 0,
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0, -1, 0, 0,
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0, 0, 1, 0,
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1, 1, 0, 1,
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};
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static float mtxRot270[16] = {
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0, -1, 0, 0,
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1, 0, 0, 0,
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0, 0, 1, 0,
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0, 1, 0, 1,
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};
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static void mtxMul(float out[16], const float a[16], const float b[16]);
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GLConsumer::GLConsumer(GLuint tex, bool allowSynchronousMode,
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GLenum texTarget, bool useFenceSync, const sp<BufferQueue> &bufferQueue) :
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ConsumerBase(bufferQueue == 0 ? new BufferQueue(allowSynchronousMode) : bufferQueue),
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mCurrentTransform(0),
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mCurrentFence(Fence::NO_FENCE),
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mCurrentTimestamp(0),
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mFilteringEnabled(true),
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mTexName(tex),
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#ifdef USE_FENCE_SYNC
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mUseFenceSync(useFenceSync),
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#else
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mUseFenceSync(false),
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#endif
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mTexTarget(texTarget),
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mEglDisplay(EGL_NO_DISPLAY),
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mEglContext(EGL_NO_CONTEXT),
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mCurrentTexture(BufferQueue::INVALID_BUFFER_SLOT),
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mAttached(true)
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{
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ST_LOGV("GLConsumer");
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memcpy(mCurrentTransformMatrix, mtxIdentity,
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sizeof(mCurrentTransformMatrix));
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mBufferQueue->setConsumerUsageBits(DEFAULT_USAGE_FLAGS);
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}
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status_t GLConsumer::setDefaultMaxBufferCount(int bufferCount) {
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Mutex::Autolock lock(mMutex);
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return mBufferQueue->setDefaultMaxBufferCount(bufferCount);
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}
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status_t GLConsumer::setDefaultBufferSize(uint32_t w, uint32_t h)
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{
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Mutex::Autolock lock(mMutex);
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mDefaultWidth = w;
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mDefaultHeight = h;
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return mBufferQueue->setDefaultBufferSize(w, h);
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}
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status_t GLConsumer::updateTexImage() {
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ATRACE_CALL();
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ST_LOGV("updateTexImage");
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Mutex::Autolock lock(mMutex);
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if (mAbandoned) {
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ST_LOGE("updateTexImage: GLConsumer is abandoned!");
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return NO_INIT;
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}
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// Make sure the EGL state is the same as in previous calls.
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status_t err = checkAndUpdateEglStateLocked();
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if (err != NO_ERROR) {
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return err;
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}
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BufferQueue::BufferItem item;
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// Acquire the next buffer.
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// In asynchronous mode the list is guaranteed to be one buffer
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// deep, while in synchronous mode we use the oldest buffer.
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err = acquireBufferLocked(&item);
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if (err != NO_ERROR) {
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if (err == BufferQueue::NO_BUFFER_AVAILABLE) {
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// We always bind the texture even if we don't update its contents.
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ST_LOGV("updateTexImage: no buffers were available");
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glBindTexture(mTexTarget, mTexName);
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err = NO_ERROR;
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} else {
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ST_LOGE("updateTexImage: acquire failed: %s (%d)",
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strerror(-err), err);
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}
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return err;
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}
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// Release the previous buffer.
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err = releaseAndUpdateLocked(item);
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if (err != NO_ERROR) {
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// We always bind the texture.
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glBindTexture(mTexTarget, mTexName);
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return err;
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}
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// Bind the new buffer to the GL texture, and wait until it's ready.
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return bindTextureImageLocked();
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}
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status_t GLConsumer::acquireBufferLocked(BufferQueue::BufferItem *item) {
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status_t err = ConsumerBase::acquireBufferLocked(item);
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if (err != NO_ERROR) {
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return err;
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}
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int slot = item->mBuf;
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if (item->mGraphicBuffer != NULL) {
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// This buffer has not been acquired before, so we must assume
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// that any EGLImage in mEglSlots is stale.
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if (mEglSlots[slot].mEglImage != EGL_NO_IMAGE_KHR) {
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if (!eglDestroyImageKHR(mEglDisplay, mEglSlots[slot].mEglImage)) {
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ST_LOGW("acquireBufferLocked: eglDestroyImageKHR failed for slot=%d",
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slot);
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// keep going
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}
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mEglSlots[slot].mEglImage = EGL_NO_IMAGE_KHR;
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}
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}
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return NO_ERROR;
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}
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status_t GLConsumer::releaseBufferLocked(int buf, EGLDisplay display,
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EGLSyncKHR eglFence) {
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status_t err = ConsumerBase::releaseBufferLocked(buf, display, eglFence);
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mEglSlots[buf].mEglFence = EGL_NO_SYNC_KHR;
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return err;
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}
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status_t GLConsumer::releaseAndUpdateLocked(const BufferQueue::BufferItem& item)
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{
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status_t err = NO_ERROR;
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if (!mAttached) {
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ST_LOGE("releaseAndUpdate: GLConsumer is not attached to an OpenGL "
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"ES context");
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return INVALID_OPERATION;
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}
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// Confirm state.
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err = checkAndUpdateEglStateLocked();
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if (err != NO_ERROR) {
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return err;
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}
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int buf = item.mBuf;
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// If the mEglSlot entry is empty, create an EGLImage for the gralloc
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// buffer currently in the slot in ConsumerBase.
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//
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// We may have to do this even when item.mGraphicBuffer == NULL (which
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// means the buffer was previously acquired), if we destroyed the
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// EGLImage when detaching from a context but the buffer has not been
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// re-allocated.
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if (mEglSlots[buf].mEglImage == EGL_NO_IMAGE_KHR) {
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EGLImageKHR image = createImage(mEglDisplay, mSlots[buf].mGraphicBuffer);
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if (image == EGL_NO_IMAGE_KHR) {
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ST_LOGW("releaseAndUpdate: unable to createImage on display=%p slot=%d",
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mEglDisplay, buf);
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return UNKNOWN_ERROR;
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}
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mEglSlots[buf].mEglImage = image;
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}
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// Do whatever sync ops we need to do before releasing the old slot.
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err = syncForReleaseLocked(mEglDisplay);
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if (err != NO_ERROR) {
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// Release the buffer we just acquired. It's not safe to
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// release the old buffer, so instead we just drop the new frame.
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releaseBufferLocked(buf, mEglDisplay, EGL_NO_SYNC_KHR);
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return err;
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}
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ST_LOGV("releaseAndUpdate: (slot=%d buf=%p) -> (slot=%d buf=%p)",
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mCurrentTexture,
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mCurrentTextureBuf != NULL ? mCurrentTextureBuf->handle : 0,
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buf, mSlots[buf].mGraphicBuffer->handle);
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// release old buffer
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if (mCurrentTexture != BufferQueue::INVALID_BUFFER_SLOT) {
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status_t status = releaseBufferLocked(mCurrentTexture, mEglDisplay,
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mEglSlots[mCurrentTexture].mEglFence);
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if (status != NO_ERROR && status != BufferQueue::STALE_BUFFER_SLOT) {
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ST_LOGE("releaseAndUpdate: failed to release buffer: %s (%d)",
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strerror(-status), status);
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err = status;
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// keep going, with error raised [?]
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}
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}
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// Update the GLConsumer state.
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mCurrentTexture = buf;
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mCurrentTextureBuf = mSlots[buf].mGraphicBuffer;
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mCurrentCrop = item.mCrop;
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mCurrentTransform = item.mTransform;
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mCurrentScalingMode = item.mScalingMode;
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mCurrentTimestamp = item.mTimestamp;
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mCurrentFence = item.mFence;
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computeCurrentTransformMatrixLocked();
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return err;
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}
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status_t GLConsumer::bindTextureImageLocked() {
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if (mEglDisplay == EGL_NO_DISPLAY) {
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ALOGE("bindTextureImage: invalid display");
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return INVALID_OPERATION;
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}
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GLint error;
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while ((error = glGetError()) != GL_NO_ERROR) {
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ST_LOGW("bindTextureImage: clearing GL error: %#04x", error);
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}
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glBindTexture(mTexTarget, mTexName);
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if (mCurrentTexture == BufferQueue::INVALID_BUFFER_SLOT) {
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if (mCurrentTextureBuf == NULL) {
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ST_LOGE("bindTextureImage: no currently-bound texture");
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return NO_INIT;
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}
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status_t err = bindUnslottedBufferLocked(mEglDisplay);
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if (err != NO_ERROR) {
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return err;
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}
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} else {
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EGLImageKHR image = mEglSlots[mCurrentTexture].mEglImage;
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glEGLImageTargetTexture2DOES(mTexTarget, (GLeglImageOES)image);
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while ((error = glGetError()) != GL_NO_ERROR) {
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ST_LOGE("bindTextureImage: error binding external texture image %p"
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": %#04x", image, error);
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return UNKNOWN_ERROR;
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}
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}
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// Wait for the new buffer to be ready.
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return doGLFenceWaitLocked();
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}
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status_t GLConsumer::checkAndUpdateEglStateLocked() {
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EGLDisplay dpy = eglGetCurrentDisplay();
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EGLContext ctx = eglGetCurrentContext();
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if ((mEglDisplay != dpy && mEglDisplay != EGL_NO_DISPLAY) ||
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dpy == EGL_NO_DISPLAY) {
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ST_LOGE("checkAndUpdateEglState: invalid current EGLDisplay");
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return INVALID_OPERATION;
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}
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if ((mEglContext != ctx && mEglContext != EGL_NO_CONTEXT) ||
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ctx == EGL_NO_CONTEXT) {
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ST_LOGE("checkAndUpdateEglState: invalid current EGLContext");
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return INVALID_OPERATION;
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}
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mEglDisplay = dpy;
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mEglContext = ctx;
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return NO_ERROR;
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}
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void GLConsumer::setReleaseFence(const sp<Fence>& fence) {
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if (fence->isValid() &&
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mCurrentTexture != BufferQueue::INVALID_BUFFER_SLOT) {
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status_t err = addReleaseFence(mCurrentTexture, fence);
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if (err != OK) {
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ST_LOGE("setReleaseFence: failed to add the fence: %s (%d)",
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strerror(-err), err);
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}
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}
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}
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status_t GLConsumer::detachFromContext() {
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ATRACE_CALL();
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ST_LOGV("detachFromContext");
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Mutex::Autolock lock(mMutex);
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if (mAbandoned) {
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ST_LOGE("detachFromContext: abandoned GLConsumer");
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return NO_INIT;
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}
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if (!mAttached) {
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ST_LOGE("detachFromContext: GLConsumer is not attached to a "
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"context");
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return INVALID_OPERATION;
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}
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EGLDisplay dpy = eglGetCurrentDisplay();
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EGLContext ctx = eglGetCurrentContext();
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if (mEglDisplay != dpy && mEglDisplay != EGL_NO_DISPLAY) {
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ST_LOGE("detachFromContext: invalid current EGLDisplay");
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return INVALID_OPERATION;
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}
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if (mEglContext != ctx && mEglContext != EGL_NO_CONTEXT) {
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ST_LOGE("detachFromContext: invalid current EGLContext");
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return INVALID_OPERATION;
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}
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if (dpy != EGL_NO_DISPLAY && ctx != EGL_NO_CONTEXT) {
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status_t err = syncForReleaseLocked(dpy);
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if (err != OK) {
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return err;
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}
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glDeleteTextures(1, &mTexName);
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}
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// Because we're giving up the EGLDisplay we need to free all the EGLImages
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// that are associated with it. They'll be recreated when the
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// GLConsumer gets attached to a new OpenGL ES context (and thus gets a
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// new EGLDisplay).
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for (int i =0; i < BufferQueue::NUM_BUFFER_SLOTS; i++) {
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EGLImageKHR img = mEglSlots[i].mEglImage;
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if (img != EGL_NO_IMAGE_KHR) {
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eglDestroyImageKHR(mEglDisplay, img);
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mEglSlots[i].mEglImage = EGL_NO_IMAGE_KHR;
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}
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}
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mEglDisplay = EGL_NO_DISPLAY;
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mEglContext = EGL_NO_CONTEXT;
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mAttached = false;
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return OK;
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}
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status_t GLConsumer::attachToContext(GLuint tex) {
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ATRACE_CALL();
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ST_LOGV("attachToContext");
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Mutex::Autolock lock(mMutex);
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if (mAbandoned) {
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ST_LOGE("attachToContext: abandoned GLConsumer");
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return NO_INIT;
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}
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if (mAttached) {
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ST_LOGE("attachToContext: GLConsumer is already attached to a "
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"context");
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return INVALID_OPERATION;
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}
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EGLDisplay dpy = eglGetCurrentDisplay();
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EGLContext ctx = eglGetCurrentContext();
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if (dpy == EGL_NO_DISPLAY) {
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ST_LOGE("attachToContext: invalid current EGLDisplay");
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return INVALID_OPERATION;
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}
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if (ctx == EGL_NO_CONTEXT) {
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ST_LOGE("attachToContext: invalid current EGLContext");
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return INVALID_OPERATION;
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}
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// We need to bind the texture regardless of whether there's a current
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// buffer.
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glBindTexture(mTexTarget, tex);
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if (mCurrentTextureBuf != NULL) {
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// The EGLImageKHR that was associated with the slot was destroyed when
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// the GLConsumer was detached from the old context, so we need to
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// recreate it here.
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status_t err = bindUnslottedBufferLocked(dpy);
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if (err != NO_ERROR) {
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return err;
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}
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}
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mEglDisplay = dpy;
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mEglContext = ctx;
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mTexName = tex;
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mAttached = true;
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return OK;
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}
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status_t GLConsumer::bindUnslottedBufferLocked(EGLDisplay dpy) {
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ST_LOGV("bindUnslottedBuffer ct=%d ctb=%p",
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mCurrentTexture, mCurrentTextureBuf.get());
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// Create a temporary EGLImageKHR.
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EGLImageKHR image = createImage(dpy, mCurrentTextureBuf);
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if (image == EGL_NO_IMAGE_KHR) {
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return UNKNOWN_ERROR;
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}
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// Attach the current buffer to the GL texture.
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glEGLImageTargetTexture2DOES(mTexTarget, (GLeglImageOES)image);
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GLint error;
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status_t err = OK;
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while ((error = glGetError()) != GL_NO_ERROR) {
|
|
ST_LOGE("bindUnslottedBuffer: 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);
|
|
|
|
return err;
|
|
}
|
|
|
|
|
|
status_t GLConsumer::syncForReleaseLocked(EGLDisplay dpy) {
|
|
ST_LOGV("syncForReleaseLocked");
|
|
|
|
if (mCurrentTexture != BufferQueue::INVALID_BUFFER_SLOT) {
|
|
if (sUseNativeFenceSync) {
|
|
EGLSyncKHR sync = eglCreateSyncKHR(dpy,
|
|
EGL_SYNC_NATIVE_FENCE_ANDROID, NULL);
|
|
if (sync == EGL_NO_SYNC_KHR) {
|
|
ST_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) {
|
|
ST_LOGE("syncForReleaseLocked: error dup'ing native fence "
|
|
"fd: %#x", eglGetError());
|
|
return UNKNOWN_ERROR;
|
|
}
|
|
sp<Fence> fence(new Fence(fenceFd));
|
|
status_t err = addReleaseFenceLocked(mCurrentTexture, fence);
|
|
if (err != OK) {
|
|
ST_LOGE("syncForReleaseLocked: error adding release fence: "
|
|
"%s (%d)", strerror(-err), err);
|
|
return err;
|
|
}
|
|
} else if (mUseFenceSync) {
|
|
EGLSyncKHR fence = mEglSlots[mCurrentTexture].mEglFence;
|
|
if (fence != EGL_NO_SYNC_KHR) {
|
|
// There is already a fence for the current slot. We need to
|
|
// wait on that before replacing it with another fence to
|
|
// ensure that all outstanding buffer accesses have completed
|
|
// before the producer accesses it.
|
|
EGLint result = eglClientWaitSyncKHR(dpy, fence, 0, 1000000000);
|
|
if (result == EGL_FALSE) {
|
|
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].mEglFence = fence;
|
|
}
|
|
}
|
|
|
|
return OK;
|
|
}
|
|
|
|
bool GLConsumer::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 GLConsumer::getCurrentTextureTarget() const {
|
|
return mTexTarget;
|
|
}
|
|
|
|
void GLConsumer::getTransformMatrix(float mtx[16]) {
|
|
Mutex::Autolock lock(mMutex);
|
|
memcpy(mtx, mCurrentTransformMatrix, sizeof(mCurrentTransformMatrix));
|
|
}
|
|
|
|
void GLConsumer::setFilteringEnabled(bool enabled) {
|
|
Mutex::Autolock lock(mMutex);
|
|
if (mAbandoned) {
|
|
ST_LOGE("setFilteringEnabled: GLConsumer is abandoned!");
|
|
return;
|
|
}
|
|
bool needsRecompute = mFilteringEnabled != enabled;
|
|
mFilteringEnabled = enabled;
|
|
|
|
if (needsRecompute && mCurrentTextureBuf==NULL) {
|
|
ST_LOGD("setFilteringEnabled called with mCurrentTextureBuf == NULL");
|
|
}
|
|
|
|
if (needsRecompute && mCurrentTextureBuf != NULL) {
|
|
computeCurrentTransformMatrixLocked();
|
|
}
|
|
}
|
|
|
|
void GLConsumer::computeCurrentTransformMatrixLocked() {
|
|
ST_LOGV("computeCurrentTransformMatrixLocked");
|
|
|
|
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);
|
|
|
|
if (buf == NULL) {
|
|
ST_LOGD("computeCurrentTransformMatrixLocked: mCurrentTextureBuf is NULL");
|
|
}
|
|
|
|
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;
|
|
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;
|
|
}
|
|
}
|
|
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 GLConsumer 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 GLConsumer::getTimestamp() {
|
|
ST_LOGV("getTimestamp");
|
|
Mutex::Autolock lock(mMutex);
|
|
return mCurrentTimestamp;
|
|
}
|
|
|
|
EGLImageKHR GLConsumer::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> GLConsumer::getCurrentBuffer() const {
|
|
Mutex::Autolock lock(mMutex);
|
|
return mCurrentTextureBuf;
|
|
}
|
|
|
|
Rect GLConsumer::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 GLConsumer::getCurrentTransform() const {
|
|
Mutex::Autolock lock(mMutex);
|
|
return mCurrentTransform;
|
|
}
|
|
|
|
uint32_t GLConsumer::getCurrentScalingMode() const {
|
|
Mutex::Autolock lock(mMutex);
|
|
return mCurrentScalingMode;
|
|
}
|
|
|
|
sp<Fence> GLConsumer::getCurrentFence() const {
|
|
Mutex::Autolock lock(mMutex);
|
|
return mCurrentFence;
|
|
}
|
|
|
|
status_t GLConsumer::doGLFenceWait() const {
|
|
Mutex::Autolock lock(mMutex);
|
|
return doGLFenceWaitLocked();
|
|
}
|
|
|
|
status_t GLConsumer::doGLFenceWaitLocked() const {
|
|
|
|
EGLDisplay dpy = eglGetCurrentDisplay();
|
|
EGLContext ctx = eglGetCurrentContext();
|
|
|
|
if (mEglDisplay != dpy || mEglDisplay == EGL_NO_DISPLAY) {
|
|
ST_LOGE("doGLFenceWait: invalid current EGLDisplay");
|
|
return INVALID_OPERATION;
|
|
}
|
|
|
|
if (mEglContext != ctx || mEglContext == EGL_NO_CONTEXT) {
|
|
ST_LOGE("doGLFenceWait: invalid current EGLContext");
|
|
return INVALID_OPERATION;
|
|
}
|
|
|
|
if (mCurrentFence->isValid()) {
|
|
if (useWaitSync) {
|
|
// Create an EGLSyncKHR from the current fence.
|
|
int fenceFd = mCurrentFence->dup();
|
|
if (fenceFd == -1) {
|
|
ST_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);
|
|
ST_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.
|
|
eglWaitSyncANDROID(dpy, sync, 0);
|
|
EGLint eglErr = eglGetError();
|
|
eglDestroySyncKHR(dpy, sync);
|
|
if (eglErr != EGL_SUCCESS) {
|
|
ST_LOGE("doGLFenceWait: error waiting for EGL fence: %#x",
|
|
eglErr);
|
|
return UNKNOWN_ERROR;
|
|
}
|
|
} else {
|
|
status_t err = mCurrentFence->waitForever(1000,
|
|
"GLConsumer::doGLFenceWaitLocked");
|
|
if (err != NO_ERROR) {
|
|
ST_LOGE("doGLFenceWait: error waiting for fence: %d", err);
|
|
return err;
|
|
}
|
|
}
|
|
}
|
|
|
|
return NO_ERROR;
|
|
}
|
|
|
|
bool GLConsumer::isSynchronousMode() const {
|
|
Mutex::Autolock lock(mMutex);
|
|
return mBufferQueue->isSynchronousMode();
|
|
}
|
|
|
|
void GLConsumer::freeBufferLocked(int slotIndex) {
|
|
ST_LOGV("freeBufferLocked: slotIndex=%d", slotIndex);
|
|
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;
|
|
ConsumerBase::freeBufferLocked(slotIndex);
|
|
}
|
|
|
|
void GLConsumer::abandonLocked() {
|
|
ST_LOGV("abandonLocked");
|
|
mCurrentTextureBuf.clear();
|
|
ConsumerBase::abandonLocked();
|
|
}
|
|
|
|
void GLConsumer::setName(const String8& name) {
|
|
Mutex::Autolock _l(mMutex);
|
|
mName = name;
|
|
mBufferQueue->setConsumerName(name);
|
|
}
|
|
|
|
status_t GLConsumer::setDefaultBufferFormat(uint32_t defaultFormat) {
|
|
Mutex::Autolock lock(mMutex);
|
|
return mBufferQueue->setDefaultBufferFormat(defaultFormat);
|
|
}
|
|
|
|
status_t GLConsumer::setConsumerUsageBits(uint32_t usage) {
|
|
Mutex::Autolock lock(mMutex);
|
|
usage |= DEFAULT_USAGE_FLAGS;
|
|
return mBufferQueue->setConsumerUsageBits(usage);
|
|
}
|
|
|
|
status_t GLConsumer::setTransformHint(uint32_t hint) {
|
|
Mutex::Autolock lock(mMutex);
|
|
return mBufferQueue->setTransformHint(hint);
|
|
}
|
|
|
|
// Used for refactoring BufferQueue from GLConsumer
|
|
// Should not be in final interface once users of GLConsumer are clean up.
|
|
status_t GLConsumer::setSynchronousMode(bool enabled) {
|
|
Mutex::Autolock lock(mMutex);
|
|
return mBufferQueue->setSynchronousMode(enabled);
|
|
}
|
|
|
|
void GLConsumer::dumpLocked(String8& result, const char* prefix,
|
|
char* buffer, size_t size) const
|
|
{
|
|
snprintf(buffer, size,
|
|
"%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);
|
|
result.append(buffer);
|
|
|
|
ConsumerBase::dumpLocked(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];
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}
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}; // namespace android
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