Differential D26216 Diff 72379 plugins/platforms/x11/standalone/glxbackend.cpp

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plugins/platforms/x11/standalone/glxbackend.cpp

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36#include "xcbutils.h" 36​#include "xcbutils.h"
37#include "texture.h" 37​#include "texture.h"
38// kwin libs 38​// kwin libs
39#include <kwinglplatform.h> 39​#include <kwinglplatform.h>
40#include <kwinglutils.h> 40​#include <kwinglutils.h>
41#include <kwineffectquickview.h> 41​#include <kwineffectquickview.h>
42#include <kwinxrenderutils.h> 42​#include <kwinxrenderutils.h>
43// Qt 43​// Qt
44#include <QDebug> ​
45#include <QOpenGLContext> 44​#include <QOpenGLContext>
46#include <QX11Info> 45​#include <QX11Info>
47#include <QtPlatformHeaders/QGLXNativeContext> 46​#include <QtPlatformHeaders/QGLXNativeContext>
48// system 47​// system
49#include <unistd.h> 48​#include <unistd.h>
50 49​
51#include <deque> 50​#include <deque>
52#include <algorithm> 51​#include <algorithm>
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660 659​
661void GlxBackend::present() 660​void GlxBackend::present()
662{ 661​{
663 if (lastDamage().isEmpty()) 662​ if (lastDamage().isEmpty())
664 return; 663​ return;
665 664​
666 const QSize &screenSize = screens()->size(); 665​ const QSize &screenSize = screens()->size();
667 const QRegion displayRegion(0, 0, screenSize.width(), screenSize.height()); 666​ const QRegion displayRegion(0, 0, screenSize.width(), screenSize.height());
668 const bool fullRepaint = supportsBufferAge() || (lastDamage() == displayRegion); 667​ const bool canSwapBuffers = supportsBufferAge() || (lastDamage() == displayRegion);
668​ m_needsCompositeTimerStart = true;
669 669​
670 if (fullRepaint) { 670​ if (canSwapBuffers) {
671 if (hasSwapEvent()) { 671​ if (supportsSwapEvents()) {
672​ m_needsCompositeTimerStart = false;
672 Compositor::self()->aboutToSwapBuffers(); 673​ Compositor::self()->aboutToSwapBuffers();
673 } 674​ }
674 675​
675 glXSwapBuffers(display(), glxWindow); 676​ glXSwapBuffers(display(), glxWindow);
676 677​
677 if (supportsBufferAge()) { 678​ if (supportsBufferAge()) {
678 glXQueryDrawable(display(), glxWindow, GLX_BACK_BUFFER_AGE_EXT, (GLuint *) &m_bufferAge); 679​ glXQueryDrawable(display(), glxWindow, GLX_BACK_BUFFER_AGE_EXT, (GLuint *) &m_bufferAge);
679 } 680​ }
680 } else if (m_haveMESACopySubBuffer) { 681​ } else if (m_haveMESACopySubBuffer) {
681 for (const QRect &r : lastDamage()) { 682​ for (const QRect &r : lastDamage()) {
682 // convert to OpenGL coordinates 683​ // convert to OpenGL coordinates
683 int y = screenSize.height() - r.y() - r.height(); 684​ int y = screenSize.height() - r.y() - r.height();
684 glXCopySubBufferMESA(display(), glxWindow, r.x(), y, r.width(), r.height()); 685​ glXCopySubBufferMESA(display(), glxWindow, r.x(), y, r.width(), r.height());
685 } 686​ }
686 } else { // Copy Pixels (horribly slow on Mesa) 687​ } else {
688​ // Copy Pixels (horribly slow on Mesa).
687 glDrawBuffer(GL_FRONT); 689​ glDrawBuffer(GL_FRONT);
688 copyPixels(lastDamage()); 690​ copyPixels(lastDamage());
689 glDrawBuffer(GL_BACK); 691​ glDrawBuffer(GL_BACK);
690 } 692​ }
691 693​
692 setLastDamage(QRegion()); 694​ setLastDamage(QRegion());
693 if (!supportsBufferAge()) { 695​ if (!supportsBufferAge()) {
694 glXWaitGL(); 696​ glXWaitGL();
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778 return m_overlayWindow; 780​ return m_overlayWindow;
779} 781​}
780 782​
781bool GlxBackend::usesOverlayWindow() const 783​bool GlxBackend::usesOverlayWindow() const
782{ 784​{
783 return true; 785​ return true;
784} 786​}
785 787​
786bool GlxBackend::hasSwapEvent() const 788​bool GlxBackend::supportsSwapEvents() const
787{ 789​{
788 return m_swapEventFilter != nullptr; 790​ return m_swapEventFilter != nullptr;
789} 791​}
790 792​
793​bool GlxBackend::hasSwapEvent() const
794​{
795​ return !m_needsCompositeTimerStart;
796​}
797​
791/******************************************************** 798​/********************************************************
792 * GlxTexture 799​ * GlxTexture
793 *******************************************************/ 800​ *******************************************************/
794GlxTexture::GlxTexture(SceneOpenGLTexture *texture, GlxBackend *backend) 801​GlxTexture::GlxTexture(SceneOpenGLTexture *texture, GlxBackend *backend)
795 : SceneOpenGLTexturePrivate() 802​ : SceneOpenGLTexturePrivate()
796 , q(texture) 803​ , q(texture)
797 , m_backend(backend) 804​ , m_backend(backend)
798 , m_glxpixmap(None) 805​ , m_glxpixmap(None)
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