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Swap interval for baseline opengl.

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I can't test this. Neither virtualbox nor wine seem to support WGL
Extensions. (nw)
This commit is contained in:
couriersud 2015-03-05 02:44:07 +01:00
parent 972de7ee3d
commit 8477b99c8c
1 changed files with 31 additions and 1 deletions
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32
src/osd/modules/render/drawogl.c
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@ -204,6 +204,19 @@ public:
this->pfn_wglDeleteContext = (BOOL (WINAPI *)(HGLRC hglrc)) GetProcAddress(m_module, "wglDeleteContext");
this->pfn_wglMakeCurrent = (BOOL (WINAPI *)(HDC hdc, HGLRC hglrc)) GetProcAddress(m_module, "wglMakeCurrent");
this->pfn_wglGetExtensionsStringEXT = (const char *(WINAPI *) (void)) pfn_wglGetProcAddress("wglGetExtensionsStringEXT");
if (WGLExtensionSupported("WGL_EXT_swap_control"))
{
this->pfn_wglSwapIntervalEXT = (BOOL (WINAPI *) (int)) getProcAddress("wglSwapIntervalEXT");
this->pfn_wglGetSwapIntervalEXT = (int (WINAPI *) (void)) getProcAddress("wglGetSwapIntervalEXT");
}
else
{
pfn_wglSwapIntervalEXT = NULL;
pfn_wglGetSwapIntervalEXT = NULL;
}
m_hdc = GetDC(window);
if (!setupPixelFormat(m_hdc))
{
@ -246,7 +259,10 @@ public:
virtual int SetSwapInterval(const int swap)
{
// FIXME: Missing!
if (this->pfn_wglSwapIntervalEXT != NULL)
{
this->pfn_wglSwapIntervalEXT(swap ? 1 : 0);
}
return 0;
}
@ -300,6 +316,16 @@ private:
return 0;
}
bool WGLExtensionSupported(const char *extension_name)
{
//if (pfn_wglGetExtensionsStringEXT != NULL)
// printf("%s\n", this->pfn_wglGetExtensionsStringEXT());
if (pfn_wglGetExtensionsStringEXT != NULL && strstr(pfn_wglGetExtensionsStringEXT(), extension_name) != NULL)
return true;
else
return false;
}
HGLRC m_context;
HWND m_window;
@ -311,6 +337,10 @@ private:
BOOL (WINAPI *pfn_wglDeleteContext)(HGLRC hglrc);
BOOL (WINAPI *pfn_wglMakeCurrent)(HDC hdc, HGLRC hglrc);
const char *(WINAPI *pfn_wglGetExtensionsStringEXT) (void);
BOOL (WINAPI *pfn_wglSwapIntervalEXT) (int interval);
int (WINAPI * pfn_wglGetSwapIntervalEXT) (void);
static HMODULE m_module;
};