diff options
| author | Andreas Haas <liu.gam3@gmail.com> | 2016-06-07 00:19:01 +0200 |
|---|---|---|
| committer | Andreas Haas <liu.gam3@gmail.com> | 2016-06-07 00:19:01 +0200 |
| commit | 5cd7611a9ab71a7b72b4aaaab4a2498b3cadc972 (patch) | |
| tree | a1aa3b52476c0c50b1ee4dfb17358264b01919c5 /platform | |
| parent | 955ed0a95f61e14e6c941540b11905a16fb40d00 (diff) | |
x11: fix vsync support
Diffstat (limited to 'platform')
| -rw-r--r-- | platform/x11/context_gl_x11.cpp | 34 |
1 files changed, 29 insertions, 5 deletions
diff --git a/platform/x11/context_gl_x11.cpp b/platform/x11/context_gl_x11.cpp index 4e00dbf0a8..cd325dfc99 100644 --- a/platform/x11/context_gl_x11.cpp +++ b/platform/x11/context_gl_x11.cpp @@ -179,14 +179,38 @@ int ContextGL_X11::get_window_height() { } void ContextGL_X11::set_use_vsync(bool p_use) { - GLXDrawable drawable = glXGetCurrentDrawable(); - //GLXSwapIntervalEXT(x11_display, drawable, p_use?1:0); - use_vsync=p_use; + static bool setup = false; + static PFNGLXSWAPINTERVALEXTPROC glXSwapIntervalEXT = NULL; + static PFNGLXSWAPINTERVALSGIPROC glXSwapIntervalMESA = NULL; + static PFNGLXSWAPINTERVALSGIPROC glXSwapIntervalSGI = NULL; + + if (!setup) { + setup = true; + String extensions = glXQueryExtensionsString(x11_display, DefaultScreen(x11_display)); + if (extensions.find("GLX_EXT_swap_control") != -1) + glXSwapIntervalEXT = (PFNGLXSWAPINTERVALEXTPROC) glXGetProcAddressARB((const GLubyte*)"glXSwapIntervalEXT"); + if (extensions.find("GLX_MESA_swap_control") != -1) + glXSwapIntervalMESA = (PFNGLXSWAPINTERVALSGIPROC) glXGetProcAddressARB((const GLubyte*)"glXSwapIntervalMESA"); + if (extensions.find("GLX_SGI_swap_control") != -1) + glXSwapIntervalSGI = (PFNGLXSWAPINTERVALSGIPROC) glXGetProcAddressARB((const GLubyte*)"glXSwapIntervalSGI"); + } + int val = p_use ? 1:0; + if (glXSwapIntervalMESA) { + glXSwapIntervalMESA(val); + } + else if (glXSwapIntervalSGI) { + glXSwapIntervalSGI(val); + } + else if (glXSwapIntervalEXT) { + GLXDrawable drawable = glXGetCurrentDrawable(); + glXSwapIntervalEXT(x11_display, drawable, val); + } + else return; + use_vsync = p_use; } bool ContextGL_X11::is_using_vsync() const { - return false; - //return use_vsync; + return use_vsync; } |