]> git.sesse.net Git - nageru/blob - glwidget.cpp
Remove the now unused preview size setting.
[nageru] / glwidget.cpp
1 #include <qmetatype.h>  // Needs to come before egl.h.
2 #include <qdatastream.h>  // Needs to come before egl.h.
3 #include <qtextstream.h>  // Needs to come before egl.h.
4 #include <qcursor.h>  // Needs to come before egl.h.
5 #include <qcoreevent.h>  // Needs to come before egl.h.
6 #include <epoxy/gl.h>
7 #include <epoxy/egl.h>
8 #include <QSurfaceFormat>
9
10 #include "glwidget.h"
11
12 #include <movit/resource_pool.h>
13 #include <stdio.h>
14 #include <mutex>
15
16 #include "context.h"
17 #include "mixer.h"
18 #include "ref_counted_gl_sync.h"
19
20 class QSurface;
21 class QWidget;
22
23 #undef Success
24 #include <movit/util.h>
25 #include <string>
26
27 GLWidget::GLWidget(QWidget *parent)
28     : QGLWidget(parent, global_share_widget),
29       resource_pool(new movit::ResourcePool)
30 {
31 }
32
33 GLWidget::~GLWidget()
34 {
35 }
36
37 void GLWidget::initializeGL()
38 {
39         printf("egl context=%p\n", eglGetCurrentContext());
40         //printf("threads: %p %p\n", QThread::currentThread(), qGuiApp->thread());
41
42         static std::once_flag flag;
43         std::call_once(flag, [this]{
44                 global_mixer = new Mixer(QGLFormat::toSurfaceFormat(format()));
45                 global_mixer->start();
46         });
47         global_mixer->set_frame_ready_callback(output, [this]{
48                 QMetaObject::invokeMethod(this, "update", Qt::AutoConnection);
49         });
50
51         glDisable(GL_BLEND);
52         glDisable(GL_DEPTH_TEST);
53         glDepthMask(GL_FALSE);
54 }
55
56 void GLWidget::resizeGL(int width, int height)
57 {
58         glViewport(0, 0, width, height);
59 }
60
61 void GLWidget::paintGL()
62 {
63         Mixer::DisplayFrame frame;
64         if (!global_mixer->get_display_frame(output, &frame)) {
65                 glClearColor(0.0f, 1.0f, 0.0f, 1.0f);
66                 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
67                 return;
68         }
69
70         glWaitSync(frame.ready_fence.get(), /*flags=*/0, GL_TIMEOUT_IGNORED);
71         frame.setup_chain();
72         frame.chain->render_to_screen();
73         check_error();
74 }