giant rendering overhaul and many small fixes

2019-02-25 13:47:18 -08:00
parent b9d7efa0bc
commit c3373524b1
1429 changed files with 10234 additions and 194593 deletions
@@ -0,0 +1,122 @@
+/***
+
+    Olive - Non-Linear Video Editor
+    Copyright (C) 2019  Olive Team
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
+#ifndef RENDERTHREAD_H
+#define RENDERTHREAD_H
+
+#include <QThread>
+#include <QMutex>
+#include <QWaitCondition>
+#include <QOffscreenSurface>
+#include <QOpenGLContext>
+#include <QOpenGLFramebufferObject>
+#include <QOpenGLShaderProgram>
+
+#include "project/sequence.h"
+#include "project/effect.h"
+
+// copied from source code to OCIODisplay
+const int LUT3D_EDGE_SIZE = 32;
+
+// copied from source code to OCIODisplay, expanded from 3*LUT3D_EDGE_SIZE*LUT3D_EDGE_SIZE*LUT3D_EDGE_SIZE
+const int NUM_3D_ENTRIES = 98304;
+
+class RenderThread : public QThread {
+  Q_OBJECT
+public:
+  RenderThread();
+  ~RenderThread();
+  void run();
+
+  QMutex* get_texture_mutex();
+  const GLuint& get_texture();
+
+  EffectPtr gizmos;
+  void paint();
+  void start_render(QOpenGLContext* share,
+                    SequencePtr s,
+                    const QString &save = nullptr,
+                    GLvoid *pixels = nullptr,
+                    int pixel_linesize = 0,
+                    int idivider = 0);
+  bool did_texture_fail();
+  void cancel();
+
+
+public slots:
+  // cleanup functions
+  void delete_ctx();
+signals:
+  void ready();
+private:
+  void allocate_texture(GLuint tex, GLuint fbo);
+
+  void set_up_ocio();
+  void destroy_ocio();
+
+  // cleanup functions
+  void delete_texture();
+  void delete_fbo();
+  void delete_shader_program();
+
+  GLuint front_buffer1;
+  GLuint front_texture1;
+  QMutex front_mutex1;
+
+  GLuint front_buffer2;
+  GLuint front_texture2;
+  QMutex front_mutex2;
+
+  bool front_buffer_switcher;
+
+  QWaitCondition wait_cond_;
+  QMutex wait_lock_;
+
+  QWaitCondition main_thread_wait_cond_;
+  QMutex main_thread_lock_;
+
+  QOffscreenSurface surface;
+  QOpenGLContext* share_ctx;
+  QOpenGLContext* ctx;
+  QOpenGLShaderProgram* blend_mode_program;
+  QOpenGLShaderProgram* premultiply_program;
+
+  GLuint back_buffer_1;
+  GLuint back_buffer_2;
+  GLuint back_texture_1;
+  GLuint back_texture_2;
+
+  float ocio_lut_data[NUM_3D_ENTRIES];
+  GLuint ocio_lut_texture;
+  QOpenGLShaderProgram* ocio_shader;
+
+  SequencePtr seq;
+  int divider;
+  int tex_width;
+  int tex_height;
+  bool queued;
+  bool texture_failed;
+  bool running;
+  QString save_fn;
+  GLvoid *pixel_buffer;
+  int pixel_buffer_linesize;
+};
+
+#endif // RENDERTHREAD_H