diff options
Diffstat (limited to 'src/core/delegated_frame_node.cpp')
| -rw-r--r-- | src/core/delegated_frame_node.cpp | 276 |
1 files changed, 139 insertions, 137 deletions
diff --git a/src/core/delegated_frame_node.cpp b/src/core/delegated_frame_node.cpp index 363814789..8d0b8166a 100644 --- a/src/core/delegated_frame_node.cpp +++ b/src/core/delegated_frame_node.cpp @@ -1,7 +1,7 @@ /**************************************************************************** ** -** Copyright (C) 2015 The Qt Company Ltd. -** Contact: http://www.qt.io/licensing/ +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtWebEngine module of the Qt Toolkit. ** @@ -11,24 +11,27 @@ ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms -** and conditions see http://www.qt.io/terms-conditions. For further -** information use the contact form at http://www.qt.io/contact-us. +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser ** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** Foundation and appearing in the file LICENSE.LGPL3 included in the ** packaging of this file. Please review the following information to ** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl.html. +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or later as published by the Free -** Software Foundation and appearing in the file LICENSE.GPL included in -** the packaging of this file. Please review the following information to -** ensure the GNU General Public License version 2.0 requirements will be -** met: http://www.gnu.org/licenses/gpl-2.0.html. +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. ** ** $QT_END_LICENSE$ ** @@ -54,7 +57,6 @@ #include "base/message_loop/message_loop.h" #include "base/bind.h" #include "cc/output/delegated_frame_data.h" -#include "cc/quads/checkerboard_draw_quad.h" #include "cc/quads/debug_border_draw_quad.h" #include "cc/quads/draw_quad.h" #include "cc/quads/io_surface_draw_quad.h" @@ -65,6 +67,10 @@ #include "cc/quads/tile_draw_quad.h" #include "cc/quads/yuv_video_draw_quad.h" #include "content/common/host_shared_bitmap_manager.h" +#include "gpu/command_buffer/service/mailbox_manager.h" +#include "ui/gl/gl_context.h" +#include "ui/gl/gl_fence.h" + #include <QOpenGLContext> #include <QOpenGLFunctions> #include <QSGSimpleRectNode> @@ -392,7 +398,6 @@ cc::ReturnedResource ResourceHolder::returnResource() // ack directly from our rendering thread. At this point (in updatePaintNode) we know that // a frame that was compositing any of those resources has already been swapped and we thus // don't need to use this mechanism. - returned.sync_point = 0; returned.id = m_resource.id; returned.count = m_importCount; m_importCount = 0; @@ -449,96 +454,8 @@ void DelegatedFrameNode::preprocess() mailboxesToFetch.append(static_cast<MailboxTexture *>((*it)->texture())); } - if (!mailboxesToFetch.isEmpty()) { - QMap<uint32, gfx::TransferableFence> transferredFences; - { - QMutexLocker lock(&m_mutex); - base::MessageLoop *gpuMessageLoop = gpu_message_loop(); - gpu::SyncPointManager *syncPointManager = sync_point_manager(); - - Q_FOREACH (MailboxTexture *mailboxTexture, mailboxesToFetch) { - m_numPendingSyncPoints++; - AddSyncPointCallbackOnGpuThread(gpuMessageLoop, syncPointManager, mailboxTexture->mailboxHolder().sync_point, base::Bind(&DelegatedFrameNode::syncPointRetired, this, &mailboxesToFetch)); - } - - m_mailboxesFetchedWaitCond.wait(&m_mutex); - m_mailboxGLFences.swap(transferredFences); - } - -#if defined(USE_X11) - // Workaround when context is not shared QTBUG-48969 - // Make slow copy between two contexts. - if (!m_contextShared) { - QOpenGLContext *currentContext = QOpenGLContext::currentContext() ; - QOpenGLContext *sharedContext = qt_gl_global_share_context(); - - QSurface *surface = currentContext->surface(); - Q_ASSERT(m_offsurface); - sharedContext->makeCurrent(m_offsurface.data()); - QOpenGLFunctions *funcs = sharedContext->functions(); - - GLuint fbo = 0; - funcs->glGenFramebuffers(1, &fbo); - - Q_FOREACH (MailboxTexture *mailboxTexture, mailboxesToFetch) { - gfx::TransferableFence fence = transferredFences.take(mailboxTexture->mailboxHolder().sync_point); - waitChromiumSync(&fence); - deleteChromiumSync(&fence); - - // Read texture into QImage from shared context. - // Switch to shared context. - sharedContext->makeCurrent(m_offsurface.data()); - funcs = sharedContext->functions(); - QImage img(mailboxTexture->textureSize(), QImage::Format_RGBA8888_Premultiplied); - funcs->glBindFramebuffer(GL_FRAMEBUFFER, fbo); - funcs->glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, mailboxTexture->m_textureId, 0); - GLenum status = funcs->glCheckFramebufferStatus(GL_FRAMEBUFFER); - if (status != GL_FRAMEBUFFER_COMPLETE) { - qWarning("fbo error, skipping slow copy..."); - continue; - } - funcs->glReadPixels(0, 0, mailboxTexture->textureSize().width(), mailboxTexture->textureSize().height(), - GL_RGBA, GL_UNSIGNED_BYTE, img.bits()); - - // Restore current context. - // Create texture from QImage in current context. - currentContext->makeCurrent(surface); - GLuint texture = 0; - funcs = currentContext->functions(); - funcs->glGenTextures(1, &texture); - funcs->glBindTexture(GL_TEXTURE_2D, texture); - funcs->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); - funcs->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); - funcs->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); - funcs->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); - funcs->glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, mailboxTexture->textureSize().width(), mailboxTexture->textureSize().height(), 0, - GL_RGBA, GL_UNSIGNED_BYTE, img.bits()); - mailboxTexture->m_textureId = texture; - mailboxTexture->m_ownsTexture = true; - } - // Cleanup allocated resources - sharedContext->makeCurrent(m_offsurface.data()); - funcs = sharedContext->functions(); - funcs->glBindFramebuffer(GL_FRAMEBUFFER, 0); - funcs->glDeleteFramebuffers(1, &fbo); - currentContext->makeCurrent(surface); - } else -#endif - { - // Tell GL to wait until Chromium is done generating resource textures on the GPU thread - // for each mailbox. We can safely start referencing those textures onto geometries afterward. - Q_FOREACH (MailboxTexture *mailboxTexture, mailboxesToFetch) { - gfx::TransferableFence fence = transferredFences.take(mailboxTexture->mailboxHolder().sync_point); - waitChromiumSync(&fence); - deleteChromiumSync(&fence); - } - } - // We transferred all sync point fences from Chromium, - // destroy all the ones not referenced by one of our mailboxes without waiting. - QMap<uint32, gfx::TransferableFence>::iterator end = transferredFences.end(); - for (QMap<uint32, gfx::TransferableFence>::iterator it = transferredFences.begin(); it != end; ++it) - deleteChromiumSync(&*it); - } + if (!mailboxesToFetch.isEmpty()) + fetchAndSyncMailboxes(mailboxesToFetch); // Then render any intermediate RenderPass in order. typedef QPair<cc::RenderPassId, QSharedPointer<QSGLayer> > Pair; @@ -612,10 +529,10 @@ void DelegatedFrameNode::commit(ChromiumCompositorData *chromiumCompositorData, // parent, with the last one in the list being the root RenderPass, the one // that we displayed to the user. // All RenderPasses except the last one are rendered to an FBO. - cc::RenderPass *rootRenderPass = frameData->render_pass_list.back(); + cc::RenderPass *rootRenderPass = frameData->render_pass_list.back().get(); for (unsigned i = 0; i < frameData->render_pass_list.size(); ++i) { - cc::RenderPass *pass = frameData->render_pass_list.at(i); + cc::RenderPass *pass = frameData->render_pass_list.at(i).get(); QSGNode *renderPassParent = 0; if (pass != rootRenderPass) { @@ -652,15 +569,7 @@ void DelegatedFrameNode::commit(ChromiumCompositorData *chromiumCompositorData, } switch (quad->material) { - case cc::DrawQuad::CHECKERBOARD: { - const cc::CheckerboardDrawQuad *cbquad = cc::CheckerboardDrawQuad::MaterialCast(quad); - QSGSimpleRectNode *rectangleNode = new QSGSimpleRectNode; - - rectangleNode->setRect(toQt(quad->rect)); - rectangleNode->setColor(toQt(cbquad->color)); - currentLayerChain->appendChildNode(rectangleNode); - break; - } case cc::DrawQuad::RENDER_PASS: { + case cc::DrawQuad::RENDER_PASS: { const cc::RenderPassDrawQuad *renderPassQuad = cc::RenderPassDrawQuad::MaterialCast(quad); QSGTexture *layer = findRenderPassLayer(renderPassQuad->render_pass_id, m_sgObjects.renderPassLayers).data(); // cc::GLRenderer::DrawRenderPassQuad silently ignores missing render passes. @@ -816,36 +725,129 @@ QSGTexture *DelegatedFrameNode::initAndHoldTexture(ResourceHolder *resource, boo return m_sgObjects.textureStrongRefs.last().data(); } -void DelegatedFrameNode::fetchTexturesAndUnlockQt(DelegatedFrameNode *frameNode, QList<MailboxTexture *> *mailboxesToFetch) +void DelegatedFrameNode::fetchAndSyncMailboxes(QList<MailboxTexture *> &mailboxesToFetch) { - // Fetch texture IDs from the mailboxes while we're on the GPU thread, where the MailboxManager lives. - gpu::gles2::MailboxManager *mailboxManager = mailbox_manager(); - Q_FOREACH (MailboxTexture *mailboxTexture, *mailboxesToFetch) - mailboxTexture->fetchTexture(mailboxManager); + QList<gfx::TransferableFence> transferredFences; + { + QMutexLocker lock(&m_mutex); + + gpu::SyncPointManager *syncPointManager = sync_point_manager(); + if (!m_syncPointClient) + m_syncPointClient = syncPointManager->CreateSyncPointClientWaiter(); + base::MessageLoop *gpuMessageLoop = gpu_message_loop(); + Q_ASSERT(m_numPendingSyncPoints == 0); + m_numPendingSyncPoints = mailboxesToFetch.count(); + auto it = mailboxesToFetch.constBegin(); + auto end = mailboxesToFetch.constEnd(); + for (; it != end; ++it) { + MailboxTexture *mailboxTexture = *it; + gpu::SyncToken &syncToken = mailboxTexture->mailboxHolder().sync_token; + if (syncToken.HasData()) { + scoped_refptr<gpu::SyncPointClientState> release_state = + syncPointManager->GetSyncPointClientState(syncToken.namespace_id(), syncToken.command_buffer_id()); + if (release_state && !release_state->IsFenceSyncReleased(syncToken.release_count())) { + m_syncPointClient->WaitOutOfOrderNonThreadSafe( + release_state.get(), syncToken.release_count(), + gpuMessageLoop->task_runner(), base::Bind(&DelegatedFrameNode::pullTexture, this, mailboxTexture)); + continue; + } + } + gpuMessageLoop->PostTask(FROM_HERE, base::Bind(&DelegatedFrameNode::pullTexture, this, mailboxTexture)); + } - // Pick fences that we can ask GL to wait for before trying to sample the mailbox texture IDs. - QMap<uint32, gfx::TransferableFence> transferredFences = transferFences(); + m_mailboxesFetchedWaitCond.wait(&m_mutex); + m_textureFences.swap(transferredFences); + } - // Chromium provided everything we were waiting for, let Qt start rendering. - QMutexLocker lock(&frameNode->m_mutex); - Q_ASSERT(frameNode->m_mailboxGLFences.isEmpty()); - frameNode->m_mailboxGLFences.swap(transferredFences); - frameNode->m_mailboxesFetchedWaitCond.wakeOne(); + Q_FOREACH (gfx::TransferableFence sync, transferredFences) { + // We need to wait on the fences on the Qt current context, and + // can therefore not use GLFence routines that uses a different + // concept of current context. + waitChromiumSync(&sync); + deleteChromiumSync(&sync); + } + +#if defined(USE_X11) + // Workaround when context is not shared QTBUG-48969 + // Make slow copy between two contexts. + if (!m_contextShared) { + QOpenGLContext *currentContext = QOpenGLContext::currentContext() ; + QOpenGLContext *sharedContext = qt_gl_global_share_context(); + + QSurface *surface = currentContext->surface(); + Q_ASSERT(m_offsurface); + sharedContext->makeCurrent(m_offsurface.data()); + QOpenGLFunctions *funcs = sharedContext->functions(); + + GLuint fbo = 0; + funcs->glGenFramebuffers(1, &fbo); + + Q_FOREACH (MailboxTexture *mailboxTexture, mailboxesToFetch) { + // Read texture into QImage from shared context. + // Switch to shared context. + sharedContext->makeCurrent(m_offsurface.data()); + funcs = sharedContext->functions(); + QImage img(mailboxTexture->textureSize(), QImage::Format_RGBA8888_Premultiplied); + funcs->glBindFramebuffer(GL_FRAMEBUFFER, fbo); + funcs->glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, mailboxTexture->m_textureId, 0); + GLenum status = funcs->glCheckFramebufferStatus(GL_FRAMEBUFFER); + if (status != GL_FRAMEBUFFER_COMPLETE) { + qWarning("fbo error, skipping slow copy..."); + continue; + } + funcs->glReadPixels(0, 0, mailboxTexture->textureSize().width(), mailboxTexture->textureSize().height(), + GL_RGBA, GL_UNSIGNED_BYTE, img.bits()); + + // Restore current context. + // Create texture from QImage in current context. + currentContext->makeCurrent(surface); + GLuint texture = 0; + funcs = currentContext->functions(); + funcs->glGenTextures(1, &texture); + funcs->glBindTexture(GL_TEXTURE_2D, texture); + funcs->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + funcs->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + funcs->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + funcs->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + funcs->glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, mailboxTexture->textureSize().width(), mailboxTexture->textureSize().height(), 0, + GL_RGBA, GL_UNSIGNED_BYTE, img.bits()); + mailboxTexture->m_textureId = texture; + mailboxTexture->m_ownsTexture = true; + } + // Cleanup allocated resources + sharedContext->makeCurrent(m_offsurface.data()); + funcs = sharedContext->functions(); + funcs->glBindFramebuffer(GL_FRAMEBUFFER, 0); + funcs->glDeleteFramebuffers(1, &fbo); + currentContext->makeCurrent(surface); + } +#endif } -void DelegatedFrameNode::syncPointRetired(DelegatedFrameNode *frameNode, QList<MailboxTexture *> *mailboxesToFetch) + +void DelegatedFrameNode::pullTexture(DelegatedFrameNode *frameNode, MailboxTexture *texture) +{ + gpu::gles2::MailboxManager *mailboxManager = mailbox_manager(); + gpu::SyncToken &syncToken = texture->mailboxHolder().sync_token; + if (syncToken.HasData()) + mailboxManager->PullTextureUpdates(syncToken); + texture->fetchTexture(mailboxManager); + if (!!gfx::GLContext::GetCurrent() && gfx::GLFence::IsSupported()) { + // Create a fence on the Chromium GPU-thread and context + gfx::GLFence *fence = gfx::GLFence::Create(); + // But transfer it to something generic since we need to read it using Qt's OpenGL. + frameNode->m_textureFences.append(fence->Transfer()); + delete fence; + } + if (--frameNode->m_numPendingSyncPoints == 0) + base::MessageLoop::current()->PostTask(FROM_HERE, base::Bind(&DelegatedFrameNode::fenceAndUnlockQt, frameNode)); +} + +void DelegatedFrameNode::fenceAndUnlockQt(DelegatedFrameNode *frameNode) { - // The way that sync points are normally used by the GpuCommandBufferStub is that it asks - // the GpuScheduler to resume the work of the associated GL command stream / context once - // the sync point has been retired by the dependency's context. In other words, a produced - // texture means that the mailbox can be consumed, but the texture itself isn't expected - // to be ready until to control is given back to the GpuScheduler through the event loop. - // Do the same for our implementation by posting a message to the event loop once the last - // of our syncpoints has been retired (the syncpoint callback is called synchronously) and - // only at this point we wake the Qt rendering thread. QMutexLocker lock(&frameNode->m_mutex); - if (!--frameNode->m_numPendingSyncPoints) - base::MessageLoop::current()->PostTask(FROM_HERE, base::Bind(&DelegatedFrameNode::fetchTexturesAndUnlockQt, frameNode, mailboxesToFetch)); + // Signal preprocess() the textures are ready + frameNode->m_mailboxesFetchedWaitCond.wakeOne(); } } // namespace QtWebEngineCore |