bool WindowsHeadlessHost::InitGraphics(std::string *error_message, GraphicsContext **ctx) {
hWnd = CreateHiddenWindow();
if (WINDOW_VISIBLE) {
ShowWindow(hWnd, TRUE);
SetFocus(hWnd);
}
WindowsGraphicsContext *graphicsContext = nullptr;
switch (gpuCore_) {
case GPU_NULL:
case GPU_GLES:
case GPU_SOFTWARE:
graphicsContext = new WindowsGLContext();
break;
case GPU_DIRECTX9:
graphicsContext = new D3D9Context();
break;
case GPU_DIRECTX11:
return false;
case GPU_VULKAN:
graphicsContext = new WindowsVulkanContext();
break;
}
if (graphicsContext->Init(NULL, hWnd, error_message)) {
*ctx = graphicsContext;
gfx_ = graphicsContext;
} else {
delete graphicsContext;
*ctx = nullptr;
gfx_ = nullptr;
return false;
}
if (gpuCore_ == GPU_GLES) {
// TODO: Do we need to do this here?
CheckGLExtensions();
}
LoadNativeAssets();
return true;
}
bool WindowsHeadlessHostDx9::InitGraphics(std::string *error_message, GraphicsContext **graphicsContext) {
*graphicsContext = nullptr;
LoadD3DX9Dynamic();
hWnd = DxCreateWindow();
if (WINDOW_VISIBLE) {
ShowWindow(hWnd, TRUE);
SetFocus(hWnd);
}
DX9::DirectxInit(hWnd);
LoadNativeAssets();
DX9::pD3Ddevice->BeginScene();
return true;
}
void WindowsHeadlessHost::InitGL()
{
glOkay = false;
hWnd = CreateHiddenWindow();
if (WINDOW_VISIBLE)
{
ShowWindow(hWnd, TRUE);
SetFocus(hWnd);
}
int pixelFormat;
static PIXELFORMATDESCRIPTOR pfd = {0};
pfd.nSize = sizeof(pfd);
pfd.nVersion = 1;
pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER;
pfd.iPixelType = PFD_TYPE_RGBA;
pfd.cColorBits = 32;
pfd.cDepthBits = 16;
pfd.iLayerType = PFD_MAIN_PLANE;
#define ENFORCE(x, msg) { if (!(x)) { fprintf(stderr, msg); return; } }
ENFORCE(hDC = GetDC(hWnd), "Unable to create DC.");
ENFORCE(pixelFormat = ChoosePixelFormat(hDC, &pfd), "Unable to match pixel format.");
ENFORCE(SetPixelFormat(hDC, pixelFormat, &pfd), "Unable to set pixel format.");
ENFORCE(hRC = wglCreateContext(hDC), "Unable to create GL context.");
ENFORCE(wglMakeCurrent(hDC, hRC), "Unable to activate GL context.");
SetVSync(0);
glewInit();
glstate.Initialize();
LoadNativeAssets();
if (ResizeGL())
glOkay = true;
}
