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VSync control for non-win32 platforms #277

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VSync control for non-win32 platforms #277

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17 changes: 16 additions & 1 deletion gfx_es2/gl_state.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,11 @@
#include "gl_state.h"

#ifdef _WIN32
#include "GL/wglew.h"
# include "GL/wglew.h"
#elif !defined(__ANDROID__) && !defined(__native_client__) && !defined(__HAIKU__) && (!defined(__APPLE__) || defined(GLEW_APPLE_GLX))
# include "GL/glxew.h"
#elif defined(__APPLE__) && !defined(USING_GLES2)
# include "OpenGL/OpenGL.h"
#endif

#if defined(USING_GLES2)
Expand Down Expand Up @@ -400,5 +404,16 @@ void OpenGLState::SetVSyncInterval(int interval) {
#ifdef _WIN32
if (wglSwapIntervalEXT)
wglSwapIntervalEXT(interval);
#elif !defined(__ANDROID__) && !defined(__native_client__) && !defined(__HAIKU__) && (!defined(__APPLE__) || defined(GLEW_APPLE_GLX))
if (glXGetCurrentDisplay && glXGetCurrentDrawable && glXSwapIntervalEXT) {
Display *dpy = glXGetCurrentDisplay();
GLXDrawable drawable = glXGetCurrentDrawable();

if (drawable) {
glXSwapIntervalEXT(dpy, drawable, interval);
}
}
#elif defined(__APPLE__) && !defined(USING_GLES2)
CGLSetParameter(CGLGetCurrentContext(), kCGLCPSwapInterval, &interval);
#endif
}
1 change: 0 additions & 1 deletion gfx_es2/gl_state.h
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Expand Up @@ -289,7 +289,6 @@ class OpenGLState {
STATEBIND(glBindBuffer, GL_ARRAY_BUFFER) arrayBuffer;
STATEBIND(glBindBuffer, GL_ELEMENT_ARRAY_BUFFER) elementArrayBuffer;

// Only works on Win32, all other platforms are "force-vsync"
void SetVSyncInterval(int interval); // one of the above VSYNC, or a higher number for multi-frame waits (could be useful for 30hz games)
};

Expand Down