bool COpenGL::Initialize(HWND hWnd)
{
int pfdIndex;
RECT windowRect;
this->hWnd = hWnd;
this->hDC = GetDC(hWnd);
PIXELFORMATDESCRIPTOR pfd=
{
sizeof(PIXELFORMATDESCRIPTOR), // Size Of This Pixel Format Descriptor
1, // Version Number
PFD_DRAW_TO_WINDOW | // Format Must Support Window
PFD_SUPPORT_OPENGL | // Format Must Support OpenGL
PFD_DOUBLEBUFFER, // Must Support Double Buffering
PFD_TYPE_RGBA, // Request An RGBA Format
16, // Select Our Color Depth
0, 0, 0, 0, 0, 0, // Color Bits Ignored
0, // No Alpha Buffer
0, // Shift Bit Ignored
0, // No Accumulation Buffer
0, 0, 0, 0, // Accumulation Bits Ignored
16, // 16Bit Z-Buffer (Depth Buffer)
0, // No Stencil Buffer
0, // No Auxiliary Buffer
PFD_MAIN_PLANE, // Main Drawing Layer
0, // Reserved
0, 0, 0 // Layer Masks Ignored
};
PIXELFORMATDESCRIPTOR pfdSel;
if(!(pfdIndex=ChoosePixelFormat(hDC,&pfd))) {
DeInitialize();
return false;
}
if(!SetPixelFormat(hDC,pfdIndex,&pfd)) {
DeInitialize();
return false;
}
if(!(hRC=wglCreateContext(hDC))) {
DeInitialize();
return false;
}
if(!wglMakeCurrent(hDC,hRC)) {
DeInitialize();
return false;
}
LoadPBOFunctions();
wglSwapIntervalEXT = (PFNWGLSWAPINTERVALEXTPROC)wglGetProcAddress( "wglSwapIntervalEXT" );
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glEnable(GL_BLEND);
glEnable(GL_TEXTURE_2D);
glMatrixMode (GL_PROJECTION);
glLoadIdentity ();
glOrtho (0.0, 1.0, 0.0, 1.0, -1, 1);
glVertexPointer(2, GL_FLOAT, 0, vertices);
glTexCoordPointer(2, GL_FLOAT, 0, texcoords);
cgAvailable = loadCgFunctions();
if(cgAvailable) {
cgContext = cgCreateContext();
cgShader = new CGLCG(cgContext);
}
ApplyDisplayChanges();
glClearColor(0.0f, 0.0f, 0.0f, 0.5f);
glClear(GL_COLOR_BUFFER_BIT);
SwapBuffers(hDC);
initDone = true;
return true;
}
/* CDirect3D::Initialize
Initializes Direct3D (always in window mode)
IN:
hWnd - the HWND of the window in which we render/the focus window for fullscreen
-----
returns true if successful, false otherwise
*/
bool CDirect3D::Initialize(HWND hWnd)
{
if(init_done)
return true;
pD3D = Direct3DCreate9(D3D_SDK_VERSION);
if(pD3D == NULL) {
DXTRACE_ERR_MSGBOX(TEXT("Error creating initial D3D9 object"), 0);
return false;
}
memset(&dPresentParams, 0, sizeof(dPresentParams));
dPresentParams.hDeviceWindow = hWnd;
dPresentParams.Windowed = true;
dPresentParams.BackBufferCount = GUI.DoubleBuffered?2:1;
dPresentParams.SwapEffect = D3DSWAPEFFECT_DISCARD;
dPresentParams.BackBufferFormat = D3DFMT_UNKNOWN;
HRESULT hr = pD3D->CreateDevice(D3DADAPTER_DEFAULT,
D3DDEVTYPE_HAL,
hWnd,
D3DCREATE_MIXED_VERTEXPROCESSING,
&dPresentParams,
&pDevice);
if(FAILED(hr)) {
DXTRACE_ERR_MSGBOX(TEXT("Error creating D3D9 device"), hr);
return false;
}
hr = pDevice->CreateVertexBuffer(sizeof(vertexStream),D3DUSAGE_WRITEONLY,0,D3DPOOL_MANAGED,&vertexBuffer,NULL);
if(FAILED(hr)) {
DXTRACE_ERR_MSGBOX(TEXT("Error creating vertex buffer"), hr);
return false;
}
hr = pDevice->CreateVertexDeclaration(vertexElems,&vertexDeclaration);
if(FAILED(hr)) {
DXTRACE_ERR_MSGBOX(TEXT("Error creating vertex declaration"), hr);
return false;
}
cgAvailable = loadCgFunctions();
if(cgAvailable) {
cgContext = cgCreateContext();
hr = cgD3D9SetDevice(pDevice);
if(FAILED(hr)) {
DXTRACE_ERR_MSGBOX(TEXT("Error setting cg device"), hr);
}
cgShader = new CD3DCG(cgContext,pDevice);
}
pDevice->SetRenderState(D3DRS_LIGHTING, FALSE);
pDevice->SetRenderState( D3DRS_ZENABLE, FALSE);
pDevice->SetSamplerState(0, D3DSAMP_ADDRESSU, D3DTADDRESS_BORDER);
pDevice->SetSamplerState(0, D3DSAMP_ADDRESSV, D3DTADDRESS_BORDER);
Clear();
init_done = true;
ApplyDisplayChanges();
return true;
}
