first commit

2022-10-20 20:29:11 +08:00
commit 4d531f8044
3238 changed files with 1387862 additions and 0 deletions
@@ -0,0 +1,77 @@
+//
+//  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 2 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, write to the Free Software
+//  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+//
+
+#pragma once
+
+#include <boost/utility.hpp>
+#include <string>
+
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+#include <GLES2/gl2.h>
+
+
+class GLES_utils : private boost::noncopyable {
+public:
+  static GLES_utils& instance ();
+
+  void init (const std::string &title);
+
+  void register_display_func (void (*display_func) ());
+  void register_idle_func (void (*idle_func) ());
+  void register_keyboard_func (void (*keyboard_func) (unsigned char, int, int));
+  void register_reshape_func (void (*reshape_func) (int, int));
+
+  void main_loop ();
+
+private:
+  explicit GLES_utils ();
+  virtual ~GLES_utils ();
+
+  typedef struct {
+#ifdef _RPI
+    EGL_DISPMANX_WINDOW_T native_window;
+#else
+    EGLNativeWindowType native_window;
+    Display *x_display;
+    GLint width;
+    GLint height;
+#endif
+    EGLint major_version;
+    EGLint minor_version;
+    EGLint num_configs;
+    EGLDisplay display;
+    EGLSurface surface;
+    EGLContext context;
+    EGLConfig config;
+  } EGL_STATE_T;
+
+  EGL_STATE_T m_State;
+
+  void (*display_func) ();
+  void (*idle_func) ();
+  void (*keyboard_func) (unsigned char, int, int);
+  void (*reshape_func) (int, int);
+
+  void print_config_info (const int n, const EGLDisplay &display, EGLConfig &config);
+  void init_egl (EGL_STATE_T &state, const GLuint flags);
+#ifdef _RPI
+  void init_dispmanx (EGL_DISPMANX_WINDOW_T &native_window);
+#else
+  void init_display (EGL_STATE_T &state, const std::string &title);
+#endif
+  GLboolean user_interrupt ();
+};