void intro_do( long time )
{
//--- update parameters -----------------------------------------
const float t = 0.001f*(float)time;
// camera position
fparams[ 0] = 2.0f;
fparams[ 1] = 0.0f;
fparams[ 2] = 2.0f;
// camera target
fparams[ 4] = 0.0f;
fparams[ 5] = 0.0f;
fparams[ 6] = 0.0f;
// sphere
fparams[ 8] = 0.0f;
fparams[ 9] = 0.0f;
fparams[10] = 0.0f;
fparams[11] = 1.0f;
/*
// Gen renderbuffer
glGenRenderbuffersEXT(1, &frontb);
// Bind renderbuffer
glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, frontb);
// Init as a depth buffer
glRenderbufferStorageEXT( GL_RENDERBUFFER_EXT, GL_DEPTH_COMPONENT24, XRES, YRES);
// Attach to the FBO for depth
glFramebufferRenderbufferEXT( GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, frontb);
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, 0);*/
//--- render -----------------------------------------
static float reso[4];
reso[0] = XRES;
reso[1] = YRES;
reso[2] = XRES;
reso[3] = YRES;
oglUseProgram( pid );
glUniform1fARB( oglGetUniformLocation( pid, "iGlobalTime" ), t );
oglUniform4fv( oglGetUniformLocation( pid, "iResolution" ), 1, reso );
oglUniform4fv( oglGetUniformLocation( pid, "fpar" ), 4, fparams );
glRects( -1, -1, 1, 1 );
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, 0);
}
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
WNDCLASS wc;
// create window
ZeroMemory( &wc, sizeof(WNDCLASS) );
wc.style = CS_OWNDC|CS_HREDRAW|CS_VREDRAW;
wc.lpfnWndProc = WndProc;
wc.hInstance = hPrevInstance;
wc.lpszClassName = "iq";
if( !RegisterClass(&wc) )
return( 0 );
const int dws = WS_VISIBLE | WS_CAPTION | WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_SYSMENU;
AdjustWindowRect( &rec, dws, 0 );
HWND hWnd = CreateWindowEx( WS_EX_APPWINDOW | WS_EX_WINDOWEDGE, wc.lpszClassName, "accio", dws,
(GetSystemMetrics(SM_CXSCREEN)-rec.right+rec.left)>>1,
(GetSystemMetrics(SM_CYSCREEN)-rec.bottom+rec.top)>>1,
rec.right-rec.left, rec.bottom-rec.top, 0, 0, hPrevInstance, 0 );
if( !hWnd )
return( 0 );
HDC hDC=GetDC(hWnd);
if( !hDC )
return( 0 );
// init opengl
int pf = ChoosePixelFormat(hDC,&pfd);
if( !pf )
return( 0 );
if( !SetPixelFormat(hDC,pf,&pfd) )
return( 0 );
HGLRC hRC = wglCreateContext(hDC);
if( !hRC )
return( 0 );
if( !wglMakeCurrent(hDC,hRC) )
return( 0 );
// init extensions
for( int i=0; i<(sizeof(funcPtrs)/sizeof(void*)); i++ )
{
funcPtrs[i] = wglGetProcAddress( funcNames[i] );
if( !funcPtrs[i] )
return 0;
}
// create shader
int p = oglCreateProgram();
// int v = oglCreateShader(GL_VERTEX_SHADER);
// oglShaderSource(v, 1, &vertexShader, 0);
// oglCompileShader(v);
// oglAttachShader(p,v);
int f = oglCreateShader(GL_FRAGMENT_SHADER);
oglShaderSource(f, 1, &fragmentShader, 0);
oglCompileShader(f);
oglAttachShader(p,f);
oglLinkProgram(p);
oglUseProgram(p);
ShowCursor(0);
// run
/*
do
{
glColor3f(t,sinf(.25f*t),0.0f);
glRects(-1,-1,1,1);
SwapBuffers(hDC); //wglSwapLayerBuffers( hDC, WGL_SWAP_MAIN_PLANE );
}while ( !GetAsyncKeyState(VK_ESCAPE) );
*/
int done = 0;
while( !done )
{
const float t = .0025f*(float)(GetTickCount()&65535);
MSG msg;
while( PeekMessage(&msg,0,0,0,PM_REMOVE) )
{
if( msg.message==WM_QUIT ) done=1;
TranslateMessage( &msg );
DispatchMessage( &msg );
}
glColor3f(t,sinf(.25f*t),0.0f);
glRects(-1,-1,1,1);
SwapBuffers( hDC );
}
ExitProcess( 0 );
return 0;
}
