Added an application framework for demos. Ported hello-triangle example in Op...

third_party/gles_book_examples/Common/Source/Win32/esUtil_win32.c

Index: third_party/gles_book_examples/Common/Source/Win32/esUtil_win32.c
===================================================================
--- third_party/gles_book_examples/Common/Source/Win32/esUtil_win32.c	(revision 35483)
+++ third_party/gles_book_examples/Common/Source/Win32/esUtil_win32.c	(working copy)
@@ -1,183 +0,0 @@
-//
-// Book:      OpenGL(R) ES 2.0 Programming Guide
-// Authors:   Aaftab Munshi, Dan Ginsburg, Dave Shreiner
-// ISBN-10:   0321502795
-// ISBN-13:   9780321502797
-// Publisher: Addison-Wesley Professional
-// URLs:      http://safari.informit.com/9780321563835
-//            http://www.opengles-book.com
-//
-
-// esUtil_win32.c
-//
-//    This file contains the Win32 implementation of the windowing functions. 
-
-
-///
-// Includes
-//
-#define WIN32_LEAN_AND_MEAN
-#include <windows.h>
-#include "esUtil.h"
-
-//////////////////////////////////////////////////////////////////
-//
-//  Private Functions
-//
-//
-
-///
-//  ESWindowProc()
-//
-//      Main window procedure
-//
-LRESULT WINAPI ESWindowProc ( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam ) 
-{
-   LRESULT  lRet = 1; 
-
-   switch (uMsg) 
-   { 
-      case WM_CREATE:
-         break;
-
-      case WM_PAINT:
-         {
-            ESContext *esContext = (ESContext*)(LONG_PTR) GetWindowLongPtr ( hWnd, GWL_USERDATA );
-            
-            if ( esContext && esContext->drawFunc )
-               esContext->drawFunc ( esContext );
-            
-            ValidateRect( esContext->hWnd, NULL );
-         }
-         break;
-
-      case WM_DESTROY:
-         PostQuitMessage(0);             
-         break; 
-      
-      case WM_CHAR:
-         {
-            POINT      point;
-            ESContext *esContext = (ESContext*)(LONG_PTR) GetWindowLongPtr ( hWnd, GWL_USERDATA );
-            
-            GetCursorPos( &point );
-
-            if ( esContext && esContext->keyFunc )
-	            esContext->keyFunc ( esContext, (unsigned char) wParam, 
-		                             (int) point.x, (int) point.y );
-}
-         break;
-         
-      default: 
-         lRet = DefWindowProc (hWnd, uMsg, wParam, lParam); 
-         break; 
-   } 
-
-   return lRet; 
-}
-
-//////////////////////////////////////////////////////////////////
-//
-//  Public Functions
-//
-//
-
-///
-//  WinCreate()
-//
-//      Create Win32 instance and window
-//
-GLboolean WinCreate ( ESContext *esContext, const char *title )
-{
-   WNDCLASS wndclass = {0}; 
-   DWORD    wStyle   = 0;
-   RECT     windowRect;
-   HINSTANCE hInstance = GetModuleHandle(NULL);
-
-
-   wndclass.style         = CS_OWNDC;
-   wndclass.lpfnWndProc   = (WNDPROC)ESWindowProc; 
-   wndclass.hInstance     = hInstance; 
-   wndclass.hbrBackground = (HBRUSH)GetStockObject(BLACK_BRUSH); 
-   wndclass.lpszClassName = "opengles2.0"; 
-
-   if (!RegisterClass (&wndclass) ) 
-      return FALSE; 
-
-   wStyle = WS_VISIBLE | WS_POPUP | WS_BORDER | WS_SYSMENU | WS_CAPTION;
-   
-   // Adjust the window rectangle so that the client area has
-   // the correct number of pixels
-   windowRect.left = 0;
-   windowRect.top = 0;
-   windowRect.right = esContext->width;
-   windowRect.bottom = esContext->height;
-
-   AdjustWindowRect ( &windowRect, wStyle, FALSE );
-
-
-
-   esContext->hWnd = CreateWindow(
-                         "opengles2.0",
-                         title,
-                         wStyle,
-                         0,
-                         0,
-                         windowRect.right - windowRect.left,
-                         windowRect.bottom - windowRect.top,
-                         NULL,
-                         NULL,
-                         hInstance,
-                         NULL);
-
-   // Set the ESContext* to the GWL_USERDATA so that it is available to the 
-   // ESWindowProc
-   SetWindowLongPtr (  esContext->hWnd, GWL_USERDATA, (LONG) (LONG_PTR) esContext );
-
-
-   if ( esContext->hWnd == NULL )
-      return GL_FALSE;
-
-   ShowWindow ( esContext->hWnd, TRUE );
-
-   return GL_TRUE;
-}
-
-///
-//  winLoop()
-//
-//      Start main windows loop
-//
-void WinLoop ( ESContext *esContext )
-{
-   MSG msg = { 0 };
-   int done = 0;
-   DWORD lastTime = GetTickCount();
-   
-   while (!done)
-   {
-      int gotMsg = (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE) != 0);
-      DWORD curTime = GetTickCount();
-      float deltaTime = (float)( curTime - lastTime ) / 1000.0f;
-      lastTime = curTime;
-
-      if ( gotMsg )
-      {
-         if (msg.message==WM_QUIT)
-         {
-             done=1; 
-         }
-         else
-         {
-             TranslateMessage(&msg); 
-             DispatchMessage(&msg); 
-         }
-      }
-      else
-         SendMessage( esContext->hWnd, WM_PAINT, 0, 0 );
-
-      // Call update function if registered
-      if ( esContext->updateFunc != NULL )
-         esContext->updateFunc ( esContext, deltaTime );
-   }
-}