Fix warning cause by previous libdcp bump.
[dcpomatic.git] / src / wx / gl_video_view.h
index b7b30696f1129415fabb5780471b68ecce904516..69de7b76fdbcd4e9555113327ebe92259d2c358b 100644 (file)
 
 */
 
+
+#include <dcp/warnings.h>
+LIBDCP_DISABLE_WARNINGS
+#include <wx/glcanvas.h>
+#include <wx/wx.h>
+LIBDCP_ENABLE_WARNINGS
+
+#undef None
+#undef Success
+#undef Status
+
+
+/* The OpenGL API in wxWidgets 3.0.x is sufficiently different to make it awkward to support,
+ * and I think it may even have things missing that we require (e.g. the attributes parameter
+ * to wxGLContext).  Hence we only support the GLVideoView on wxWidgets 3.1.0 and higher
+ * (which only excludes the old macOS builds, since wxWidgets 3.1.x does not support macOS
+ * 10.9 or earlier).
+ */
+#if wxCHECK_VERSION(3,1,0)
+
+
 #include "video_view.h"
 #include "lib/signaller.h"
 #include "lib/position.h"
-#include "lib/warnings.h"
-DCPOMATIC_DISABLE_WARNINGS
-#include <wx/glcanvas.h>
-#include <wx/wx.h>
-DCPOMATIC_ENABLE_WARNINGS
 #include <dcp/util.h>
 #include <boost/atomic.hpp>
 #include <boost/thread.hpp>
 #include <boost/thread/condition.hpp>
-#undef None
-#undef Success
-#undef Status
+
+
+class Texture
+{
+public:
+       Texture (GLint unpack_alignment);
+       ~Texture ();
+
+       Texture (Texture const&) = delete;
+       Texture& operator= (Texture const&) = delete;
+
+       void bind ();
+       void set (std::shared_ptr<const Image> image);
+
+private:
+       GLuint _name;
+       GLint _unpack_alignment;
+       boost::optional<dcp::Size> _size;
+};
+
 
 class GLVideoView : public VideoView
 {
@@ -60,7 +93,7 @@ public:
 private:
        void set_image (std::shared_ptr<const PlayerVideo> pv);
        void set_image_and_draw ();
-       void draw (Position<int> inter_position, dcp::Size inter_size);
+       void draw ();
        void thread ();
        void thread_playing ();
        void request_one_shot ();
@@ -68,15 +101,45 @@ private:
        void ensure_context ();
        void size_changed (wxSizeEvent const &);
        void setup_shaders ();
-       void set_border_colour (GLuint program);
+       void set_outline_content_colour (GLuint program);
+       void set_crop_guess_colour (GLuint program);
 
        wxGLCanvas* _canvas;
        wxGLContext* _context;
 
+       template <class T>
+       class Last
+       {
+       public:
+               void set_next (T const& next) {
+                       _next = next;
+               }
+
+               bool changed () const {
+                       return !_value || *_value != _next;
+               }
+
+               void update () {
+                       _value = _next;
+               }
+
+       private:
+               boost::optional<T> _value;
+               T _next;
+       };
+
+       Last<wxSize> _last_canvas_size;
+       Last<dcp::Size> _last_video_size;
+       Last<Position<int>> _last_inter_position;
+       Last<dcp::Size> _last_inter_size;
+       Last<dcp::Size> _last_out_size;
+       Last<boost::optional<dcpomatic::Rect<float>>> _last_crop_guess;
+
        boost::atomic<wxSize> _canvas_size;
-       GLuint _video_texture;
-       boost::optional<dcp::Size> _size;
-       bool _have_storage;
+       boost::atomic<bool> _rec2020;
+       std::unique_ptr<Texture> _video_texture;
+       std::unique_ptr<Texture> _subtitle_texture;
+       bool _have_subtitle_to_render = false;
        bool _vsync_enabled;
        boost::thread _thread;
 
@@ -93,3 +156,5 @@ private:
 
        std::map<GLenum, std::string> _information;
 };
+
+#endif