public unsafe void Initialize(Sprite drawTarget, Sprite textTarget)
{
GlTexImage2D((uint)GL.Texture2D, 0, (uint)GL.RGBA,
game.ScreenWidth, game.ScreenHeight,
0, (uint)GL.RGBA, (uint)GL.UnsignedByte, null);
ww = 1f / game.windowWidth;
wh = 1f / game.windowHeight;
pw = game.PixWidth * ww;
ph = game.PixHeight * wh;
SetValues(pw, ph, ww, wh);
CreateCoords(game.PixWidth, game.PixHeight, game.ScreenWidth, game.ScreenHeight);
IntPtr vsyncPtr = WglGetProcAddress("wglSwapIntervalEXT");
if (vsyncPtr != IntPtr.Zero)
{
SwapInterval swap = Marshal.GetDelegateForFunctionPointer <SwapInterval>(vsyncPtr);
swap(0);
}
ReleaseDC(game.Handle, deviceContext);
deviceContext = GetDC(game.Handle);
}
public AngleBackend(bool isCpuBackend = false)
{
IsCpuBackend = isCpuBackend;
var ptrsize = Marshal.SizeOf(typeof(IntPtr));
if (ptrsize == 8)
{
EGL = LoadLibrary("x64/libEGL.dll");
GL = LoadLibrary("x64/libGLESv2.dll");
}
else
{
EGL = LoadLibrary("x86/libEGL.dll");
GL = LoadLibrary("x86/libGLESv2.dll");
}
EglChooseConfig = (ChooseConfig)EGL_GetProcAddress("eglChooseConfig", typeof(ChooseConfig));
EglGetPlatformDisplayExt = (GetPlatformDisplayExt)EGL_GetProcAddress("eglGetPlatformDisplayEXT", typeof(GetPlatformDisplayExt));
EglInitialize = (Initialize)EGL_GetProcAddress("eglInitialize", typeof(Initialize));
EglGetConfigs = (GetConfigs)EGL_GetProcAddress("eglGetConfigs", typeof(GetConfigs));
EglCreateContext = (CreateContext)EGL_GetProcAddress("eglCreateContext", typeof(CreateContext));
EglCreatePbufferSurface = (CreatePbufferSurface)EGL_GetProcAddress("eglCreatePbufferSurface", typeof(CreatePbufferSurface));
EglCreateWindowSurface = (CreateWindowSurface)EGL_GetProcAddress("eglCreateWindowSurface", typeof(CreateWindowSurface));
EglDestroyContext = (DestroyContext)EGL_GetProcAddress("eglDestroyContext", typeof(DestroyContext));
EglMakeCurrent = (MakeCurrent)EGL_GetProcAddress("eglMakeCurrent", typeof(MakeCurrent));
EglSwapBuffers = (SwapBuffers)EGL_GetProcAddress("eglSwapBuffers", typeof(SwapBuffers));
EglSurfaceAttrib = (SurfaceAttrib)EGL_GetProcAddress("eglSurfaceAttrib", typeof(SurfaceAttrib));
EglWaitClient = (WaitClient)EGL_GetProcAddress("eglWaitClient", typeof(WaitClient));
EglWaitGL = (WaitGL)EGL_GetProcAddress("eglWaitGL", typeof(WaitGL));
EglDestroySurface = (DestroySurface)EGL_GetProcAddress("eglDestroySurface", typeof(DestroySurface));
EglSwapInterval = (SwapInterval)EGL_GetProcAddress("eglSwapInterval", typeof(SwapInterval));
EglTerminate = (Terminate)EGL_GetProcAddress("eglTerminate", typeof(Terminate));
EglSurfaceAttrib = (SurfaceAttrib)EGL_GetProcAddress("eglSurfaceAttrib", typeof(SurfaceAttrib));
EglWaitNative = (WaitNative)EGL_GetProcAddress("eglWaitNative", typeof(WaitNative));
EglGetProcAddress = (EGLGetProcAddress)EGL_GetProcAddress("eglGetProcAddress", typeof(EGLGetProcAddress));
GlGetIntegerv = (GetIntegerv)GL_GetProcAddress("glGetIntegerv", typeof(GetIntegerv));
GlBindRenderbuffer = (BindRenderbuffer)GL_GetProcAddress("glBindRenderbuffer", typeof(BindRenderbuffer));
GlFramebufferRenderbuffer = (FramebufferRenderbuffer)GL_GetProcAddress("glFramebufferRenderbuffer", typeof(FramebufferRenderbuffer));
GlBindFramebuffer = (BindFramebuffer)GL_GetProcAddress("glBindFramebuffer", typeof(BindFramebuffer));
GlGenRenderbuffers = (GenRenderbuffers)GL_GetProcAddress("glGenRenderbuffers", typeof(GenRenderbuffers));
GlGenFramebuffers = (GenFramebuffers)GL_GetProcAddress("glGenFramebuffers", typeof(GenFramebuffers));
GlRenderbufferStorageMultisampleANGLE =
(RenderbufferStorageMultisampleANGLE)GL_GetProcAddress("glRenderbufferStorageMultisampleANGLE", typeof(RenderbufferStorageMultisampleANGLE));
GlBlitFramebufferANGLE =
(BlitFramebufferANGLE)GL_GetProcAddress("glBlitFramebufferANGLE", typeof(BlitFramebufferANGLE));
}
private void SetSwapInterval(SwapInterval swapInterval)
{
if (_setSwapInterval == null)
_setSwapInterval = GetProcedure<wglSwapIntervalEXTProc>("wglSwapIntervalEXT");
if (_setSwapInterval != null)
{
_setSwapInterval((int) swapInterval);
}
}
public static extern int SetSwapInterval(SwapInterval interval);
