C++ (Cpp) GLimp_ExtensionPointer示例

示例#1

文件： win_glimp.cpp 项目： DeanoC/RBDOOM-3-BFG

/*
==================
GLW_GetWGLExtensionsWithFakeWindow
==================
*/
void GLW_CheckWGLExtensions( HDC hDC )
{
	wglGetExtensionsStringARB = ( PFNWGLGETEXTENSIONSSTRINGARBPROC )
								GLimp_ExtensionPointer( "wglGetExtensionsStringARB" );
	if( wglGetExtensionsStringARB )
	{
		glConfig.wgl_extensions_string = ( const char* ) wglGetExtensionsStringARB( hDC );
	}
	else
	{
		glConfig.wgl_extensions_string = "";
	}
	
	// WGL_EXT_swap_control
	wglSwapIntervalEXT = ( PFNWGLSWAPINTERVALEXTPROC ) GLimp_ExtensionPointer( "wglSwapIntervalEXT" );
	r_swapInterval.SetModified();	// force a set next frame
	
	// WGL_EXT_swap_control_tear
	glConfig.swapControlTearAvailable = R_CheckWinExtension( "WGL_EXT_swap_control_tear" );
	
	// WGL_ARB_pixel_format
	wglGetPixelFormatAttribivARB = ( PFNWGLGETPIXELFORMATATTRIBIVARBPROC )GLimp_ExtensionPointer( "wglGetPixelFormatAttribivARB" );
	wglGetPixelFormatAttribfvARB = ( PFNWGLGETPIXELFORMATATTRIBFVARBPROC )GLimp_ExtensionPointer( "wglGetPixelFormatAttribfvARB" );
	wglChoosePixelFormatARB = ( PFNWGLCHOOSEPIXELFORMATARBPROC )GLimp_ExtensionPointer( "wglChoosePixelFormatARB" );
	
	// wglCreateContextAttribsARB
	wglCreateContextAttribsARB = ( PFNWGLCREATECONTEXTATTRIBSARBPROC )wglGetProcAddress( "wglCreateContextAttribsARB" );
}

示例#2

文件： win_glimp.cpp 项目： EricR86/doom3.gpl

/*
==================
GLW_GetWGLExtensionsWithFakeWindow
==================
*/
void GLW_CheckWGLExtensions( HDC hDC ) {
	wglGetExtensionsStringARB = (PFNWGLGETEXTENSIONSSTRINGARBPROC)
							  GLimp_ExtensionPointer("wglGetExtensionsStringARB");
	if ( wglGetExtensionsStringARB ) {
		glConfig.wgl_extensions_string = (const char *) wglGetExtensionsStringARB(hDC);
	} else {
		glConfig.wgl_extensions_string = "";
	}

	// WGL_EXT_swap_control
	wglSwapIntervalEXT = (PFNWGLSWAPINTERVALEXTPROC) GLimp_ExtensionPointer( "wglSwapIntervalEXT" );
	r_swapInterval.SetModified();	// force a set next frame

	// WGL_ARB_pixel_format
	wglGetPixelFormatAttribivARB = (PFNWGLGETPIXELFORMATATTRIBIVARBPROC)GLimp_ExtensionPointer("wglGetPixelFormatAttribivARB");
	wglGetPixelFormatAttribfvARB = (PFNWGLGETPIXELFORMATATTRIBFVARBPROC)GLimp_ExtensionPointer("wglGetPixelFormatAttribfvARB");
	wglChoosePixelFormatARB = (PFNWGLCHOOSEPIXELFORMATARBPROC)GLimp_ExtensionPointer("wglChoosePixelFormatARB");

	// WGL_ARB_pbuffer
	wglCreatePbufferARB = (PFNWGLCREATEPBUFFERARBPROC)GLimp_ExtensionPointer("wglCreatePbufferARB");
	wglGetPbufferDCARB = (PFNWGLGETPBUFFERDCARBPROC)GLimp_ExtensionPointer("wglGetPbufferDCARB");
	wglReleasePbufferDCARB = (PFNWGLRELEASEPBUFFERDCARBPROC)GLimp_ExtensionPointer("wglReleasePbufferDCARB");
	wglDestroyPbufferARB = (PFNWGLDESTROYPBUFFERARBPROC)GLimp_ExtensionPointer("wglDestroyPbufferARB");
	wglQueryPbufferARB = (PFNWGLQUERYPBUFFERARBPROC)GLimp_ExtensionPointer("wglQueryPbufferARB");

	// WGL_ARB_render_texture 
	wglBindTexImageARB = (PFNWGLBINDTEXIMAGEARBPROC)GLimp_ExtensionPointer("wglBindTexImageARB");
	wglReleaseTexImageARB = (PFNWGLRELEASETEXIMAGEARBPROC)GLimp_ExtensionPointer("wglReleaseTexImageARB");
	wglSetPbufferAttribARB = (PFNWGLSETPBUFFERATTRIBARBPROC)GLimp_ExtensionPointer("wglSetPbufferAttribARB");
}