example: implement intermediate fbo for filtering rgb texture

MyNftShop · Sep 21, 2017 · dff05bb · dff05bb
1 parent b963adc
commit dff05bb
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Showing 2 changed files with 12 additions and 0 deletions.
diff --git a/examples/player/MainWindow.cpp b/examples/player/MainWindow.cpp
@@ -111,6  111,7 @@ MainWindow::MainWindow(QWidget *parent) :
   , mpSubtitle(0)
   , m_preview(0)
   , m_shader(NULL)
   , m_glsl(NULL)
 {
     #if defined(Q_OS_MACX) && QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
         QApplication::setStyle(QStyleFactory::create("Fusion"));
@@ -549,6  550,7 @@ void MainWindow::setupUi()
     connect(mpTimeSlider, SIGNAL(onLeave()), SLOT(onTimeSliderLeave()));
     connect(mpTimeSlider, SIGNAL(onHover(int,int)), SLOT(onTimeSliderHover(int,int)));
     connect(&Config::instance(), SIGNAL(userShaderEnabledChanged()), SLOT(onUserShaderChanged()));
     connect(&Config::instance(), SIGNAL(intermediateFBOChanged()), SLOT(onUserShaderChanged()));
     connect(&Config::instance(), SIGNAL(fragHeaderChanged()), SLOT(onUserShaderChanged()));
     connect(&Config::instance(), SIGNAL(fragSampleChanged()), SLOT(onUserShaderChanged()));
     connect(&Config::instance(), SIGNAL(fragPostProcessChanged()), SLOT(onUserShaderChanged()));
@@ -1543,6  1545,14 @@ void MainWindow::onUserShaderChanged()
         return;
 #ifndef QT_NO_OPENGL
     if (Config::instance().userShaderEnabled()) {
         if (Config::instance().intermediateFBO()) {
             if (!m_glsl)
                 m_glsl = new GLSLFilter(this);
             m_glsl->installTo(mpRenderer);
         } else {
             if (m_glsl)
                 m_glsl->uninstall();
         }
         if (!m_shader)
             m_shader = new DynamicShaderObject(this);
         m_shader->setHeader(Config::instance().fragHeader());

diff --git a/examples/player/MainWindow.h b/examples/player/MainWindow.h
@@ -39,6  39,7 @@ class LibAVFilterVideo;
 class SubtitleFilter;
 class VideoPreviewWidget;
 class DynamicShaderObject;
 class GLSLFilter;
 }
 QT_BEGIN_NAMESPACE
 class QMenu;
@@ -213,6  214,7 @@ private slots:
     QtAV::SubtitleFilter *mpSubtitle;
     QtAV::VideoPreviewWidget *m_preview;
     QtAV::DynamicShaderObject *m_shader;
     QtAV::GLSLFilter *m_glsl;
 };