WinPlatformGL.cpp

Engine/source/platformWin32/WinPlatformGL.cpp
Detailed Description

 1
 2#if defined(TORQUE_OPENGL) && !defined(TORQUE_SDL)
 3
 4#include "platform/platformGL.h"
 5#include "gfx/gl/tGL/tWGL.h"
 6#include "gfx/gl/gfxGLUtils.h"
 7
 8void PlatformGL::setVSync(const int i)
 9{
10   if (gglHasWExtension(EXT_swap_control))
11   {
12      PRESERVE_FRAMEBUFFER();
13      // NVidia needs to have the default framebuffer bound or the vsync calls fail
14      glBindFramebuffer(GL_FRAMEBUFFER, 0);
15
16      if (gglHasWExtension(EXT_swap_control_tear))
17      {
18         if (i == 1 || i == -1)
19         {
20            BOOL ret = wglSwapIntervalEXT(-1);
21
22            if (!ret)
23               wglSwapIntervalEXT(1);
24         }
25         else
26         {
27            wglSwapIntervalEXT(i);
28         }
29         return;
30      }
31      //fallback with no EXT_swap_control_tear
32      wglSwapIntervalEXT(i);
33   }
34}
35
36#endif
37