BOOL OGLWindow::InitWindow(HINSTANCE hInstance, int width, int height)
{
m_hwnd = CreateWindowEx( WS_EX_APPWINDOW | WS_EX_WINDOWEDGE,
L"OGLWindow", L"MiniTraceOGLWin", WS_OVERLAPPED|WS_CLIPSIBLINGS|WS_CLIPCHILDREN|WS_SYSMENU,
0, 0, width, height, NULL, NULL, hInstance, NULL);
if ( ! m_hwnd )
return FALSE;
RECT clientrect;
GetClientRect(m_hwnd, &clientrect);
m_hdc = GetDC( m_hwnd );
if ( !(m_hglrc = CreateOGLContext( m_hdc )) )
return FALSE;
SetWindowPos(m_hwnd, NULL, 10, 10, (width << 1) - clientrect.right, (height << 1) - clientrect.bottom, SWP_HIDEWINDOW|SWP_NOREDRAW);
m_width = width;
m_height = height;
//allocate the ray tracer and the scene
m_pRayTracer = new RayTracer(width, height);
m_pScene = new Scene();
m_pScene->SetSceneWidth((float)width / (float)height);
return TRUE;
}
BOOL OGLWindow::InitWindow(HINSTANCE hInstance, int width, int height)
{
m_hwnd = CreateWindowEx( WS_EX_APPWINDOW | WS_EX_WINDOWEDGE,
L"RenderWindow", L"OGLWindow", WS_OVERLAPPEDWINDOW|WS_CLIPSIBLINGS|WS_CLIPCHILDREN,
0, 0, width, height, NULL, NULL, hInstance, NULL);
if ( ! m_hwnd )
return FALSE;
m_hdc = GetDC( m_hwnd );
if ( !(m_hglrc = CreateOGLContext( m_hdc )) )
return FALSE;
glewInit();
InitOGLState();
m_width = width;
m_height = height;
m_rotation = 0.0f;
SetCursorPos(m_width / 2, m_height / 2);
m_camera = new Camera();
m_camera->InitCamera();
//initialse skybox , terrain and plane.
m_skyBox = new SkyBox();
m_terrain = new Terrain();
m_mesh = new OGLMesh(L"../asset/models/house.obj");
m_texture = new OGLTexture();
m_texture->CreateTextureFromFile("../asset/texture/house_diffuse.tga");
m_mesh->SetTexture( m_texture );
//assigning object and texture to plane
m_plane = new OGLMesh(L"../asset/models/plane.obj");
m_planeTex = new OGLTexture();
m_planeTex->CreateTextureFromFile("../asset/texture/metal.tga");
m_plane->SetTexture(m_planeTex);
return TRUE;
}
// Create a window context
//-----------------------------------------------------------------------------
CPUTResult CPUT_OGL::CPUTCreateWindowAndContext(const cString WindowTitle, CPUTWindowCreationParams windowParams)
{
CPUTResult result = CPUT_SUCCESS;
HEAPCHECK;
// We shouldn't destroy old window if it already exist,
// Framework user should do this by himself to be aware
// of what he is doing.
if( mpWindow )
{
return CPUT_ERROR_WINDOW_ALREADY_EXISTS;
}
result = MakeWindow(WindowTitle, windowParams);
if(CPUTFAILED(result))
{
return result;
}
HEAPCHECK;
// create the GL context
result = CreateOGLContext(windowParams.deviceParams);
if(CPUTFAILED(result))
{
return result;
}
HEAPCHECK;
result = CreateContext();
CPUTRenderStateBlock *pBlock = new CPUTRenderStateBlockOGL();
CPUTRenderStateBlock::SetDefaultRenderStateBlock( pBlock );
cString name = _L("$cbPerFrameValues");
mpPerFrameConstantBuffer = new CPUTBufferOGL(name);
GLuint id = mpPerFrameConstantBuffer->GetBufferID();
#ifndef CPUT_FOR_OGLES2
GL_CHECK(glBindBuffer(GL_UNIFORM_BUFFER, mpPerFrameConstantBuffer->GetBufferID()));
GL_CHECK(glBufferData(GL_UNIFORM_BUFFER, sizeof(CPUTFrameConstantBuffer), NULL, GL_DYNAMIC_DRAW)); // NULL to just init buffer size
DEBUG_PRINT(_L("bind per frame buffer buffer %d\n"), id);
//FIXME: constant buffer binding
GL_CHECK(ES3_COMPAT(glBindBufferBase(GL_UNIFORM_BUFFER, id, id)));
DEBUG_PRINT(_L("completed - bind buffer %d\n"), id);
GL_CHECK(glBindBuffer(GL_UNIFORM_BUFFER, 0));
#else
#warning "Need to do something with uniform buffers here"
#endif
CPUTAssetLibrary::GetAssetLibrary()->AddConstantBuffer(_L(""), name, _L(""), mpPerFrameConstantBuffer);
name = _L("$cbPerModelValues");
mpPerModelConstantBuffer = new CPUTBufferOGL(name, GL_UNIFORM_BUFFER, GL_DYNAMIC_DRAW, sizeof(CPUTModelConstantBuffer), NULL);
id = mpPerModelConstantBuffer->GetBufferID();
#ifndef CPUT_FOR_OGLES2
DEBUG_PRINT(_L("Bind per model values %d"), id);
GL_CHECK(ES3_COMPAT(glBindBufferBase(GL_UNIFORM_BUFFER, id, id)));
DEBUG_PRINT(_L("Completed bind per model values"));
GL_CHECK(glBindBuffer(GL_UNIFORM_BUFFER, 0));
#else
#warning "Need to do something with uniform buffers here"
#endif
CPUTAssetLibrary::GetAssetLibrary()->AddConstantBuffer(_L(""), name, _L(""), mpPerModelConstantBuffer);
name = _L("$cbGUIConstants");
CPUTBuffer* pBuffer = new CPUTBufferOGL(name, GL_UNIFORM_BUFFER, GL_DYNAMIC_DRAW, sizeof(GUIConstants), NULL);
CPUTAssetLibrary::GetAssetLibrary()->AddConstantBuffer(_L(""), name, _L(""), pBuffer);
SAFE_RELEASE(pBuffer);
// Add our programatic (and global) material parameters
CPUTMaterial::mGlobalProperties.AddValue( _L("cbPerFrameValues"), _L("$cbPerFrameValues") );
CPUTMaterial::mGlobalProperties.AddValue( _L("cbPerModelValues"), _L("$cbPerModelValues") );
CPUTMaterial::mGlobalProperties.AddValue( _L("cbGUIValues"), _L("$cbGUIValues") );
HEAPCHECK;
// Trigger a post-create user callback event
Create();
HEAPCHECK;
//
// Start the timer after everything is initialized and assets have been loaded
//
mpTimer->StartTimer();
int x,y,width,height;
mpWindow->GetClientDimensions(&x, &y, &width, &height);
ResizeWindow(width,height);
return result;
}
