110 lines
3.1 KiB
C++
110 lines
3.1 KiB
C++
#include "swapinterval.h"
|
|
#include "lib/framework/wzglobal.h"
|
|
#include "lib/framework/opengl.h"
|
|
|
|
#if defined(WZ_WS_X11)
|
|
|
|
#include <GL/glx.h> // GLXDrawable
|
|
// X11 polution
|
|
#ifdef Status
|
|
#undef Status
|
|
#endif
|
|
#ifdef CursorShape
|
|
#undef CursorShape
|
|
#endif
|
|
#ifdef Bool
|
|
#undef Bool
|
|
#endif
|
|
|
|
#ifndef GLX_SWAP_INTERVAL_EXT
|
|
#define GLX_SWAP_INTERVAL_EXT 0x20F1
|
|
#endif
|
|
|
|
#include <QtGui/QX11Info>
|
|
#include <QtOpenGL/QGLWidget>
|
|
|
|
|
|
void setSwapInterval(QGLWidget const &glWidget, int * interval)
|
|
{
|
|
typedef void (* PFNGLXQUERYDRAWABLEPROC) (Display *, GLXDrawable, int, unsigned int *);
|
|
typedef void ( * PFNGLXSWAPINTERVALEXTPROC) (Display*, GLXDrawable, int);
|
|
typedef int (* PFNGLXGETSWAPINTERVALMESAPROC)(void);
|
|
typedef int (* PFNGLXSWAPINTERVALMESAPROC)(unsigned);
|
|
typedef int ( * PFNGLXSWAPINTERVALSGIPROC) (int);
|
|
PFNGLXSWAPINTERVALEXTPROC glXSwapIntervalEXT;
|
|
PFNGLXQUERYDRAWABLEPROC glXQueryDrawable;
|
|
PFNGLXGETSWAPINTERVALMESAPROC glXGetSwapIntervalMESA;
|
|
PFNGLXSWAPINTERVALMESAPROC glXSwapIntervalMESA;
|
|
PFNGLXSWAPINTERVALSGIPROC glXSwapIntervalSGI;
|
|
QGLContext const &context = *glWidget.context();
|
|
QX11Info const &xinfo = glWidget.x11Info();
|
|
|
|
glXSwapIntervalEXT = (PFNGLXSWAPINTERVALEXTPROC) context.getProcAddress("glXSwapIntervalEXT");
|
|
glXQueryDrawable = (PFNGLXQUERYDRAWABLEPROC) context.getProcAddress("glXQueryDrawable");
|
|
if (glXSwapIntervalEXT && glXQueryDrawable)
|
|
{
|
|
unsigned clampedInterval;
|
|
if (*interval < 0)
|
|
*interval = 0;
|
|
glXSwapIntervalEXT(xinfo.display(), glWidget.winId(), *interval);
|
|
glXQueryDrawable(xinfo.display(), glWidget.winId(), GLX_SWAP_INTERVAL_EXT, &clampedInterval);
|
|
*interval = clampedInterval;
|
|
return;
|
|
}
|
|
|
|
glXSwapIntervalMESA = (PFNGLXSWAPINTERVALMESAPROC) context.getProcAddress("glXSwapIntervalMESA");
|
|
glXGetSwapIntervalMESA = (PFNGLXGETSWAPINTERVALMESAPROC) context.getProcAddress("glXGetSwapIntervalMESA");
|
|
if (glXSwapIntervalMESA && glXGetSwapIntervalMESA)
|
|
{
|
|
if (*interval < 0)
|
|
*interval = 0;
|
|
glXSwapIntervalMESA(*interval);
|
|
*interval = glXGetSwapIntervalMESA();
|
|
return;
|
|
}
|
|
|
|
glXSwapIntervalSGI = (PFNGLXSWAPINTERVALSGIPROC) context.getProcAddress("glXSwapIntervalSGI");
|
|
if (glXSwapIntervalSGI)
|
|
{
|
|
if (*interval < 1)
|
|
*interval = 1;
|
|
if (glXSwapIntervalSGI(*interval))
|
|
{
|
|
// Error, revert to default
|
|
*interval = 1;
|
|
glXSwapIntervalSGI(1);
|
|
}
|
|
return;
|
|
}
|
|
|
|
*interval = -1;
|
|
}
|
|
|
|
#elif defined(WZ_WS_WIN)
|
|
#include <QtOpenGL/QGLWidget>
|
|
|
|
void setSwapInterval(QGLWidget const &glWidget, int * interval)
|
|
{
|
|
typedef int (WINAPI * PFNWGLGETSWAPINTERVALEXTPROC) (void);
|
|
typedef BOOL (WINAPI * PFNWGLSWAPINTERVALEXTPROC) (int);
|
|
PFNWGLGETSWAPINTERVALEXTPROC wglGetSwapIntervalEXT;
|
|
PFNWGLSWAPINTERVALEXTPROC wglSwapIntervalEXT;
|
|
QGLContext const &context = *glWidget.context();
|
|
|
|
wglGetSwapIntervalEXT = (PFNWGLGETSWAPINTERVALEXTPROC) context.getProcAddress("wglGetSwapIntervalEXT");
|
|
wglSwapIntervalEXT = (PFNWGLSWAPINTERVALEXTPROC) context.getProcAddress("wglSwapIntervalEXT");
|
|
|
|
if (wglGetSwapIntervalEXT && wglSwapIntervalEXT)
|
|
{
|
|
if (*interval < 0)
|
|
*interval = 0;
|
|
wglSwapIntervalEXT(*interval);
|
|
*interval = wglGetSwapIntervalEXT();
|
|
}
|
|
else
|
|
{
|
|
*interval = -1;
|
|
}
|
|
}
|
|
#endif
|