start 380 project5

changes to 380 project 4
changes to 350 project 2

Signed-off-by: Amrit Panesar <apanesar@4195tech.com>

COM380/Project5/GambleKit/Engine/OSSpecific/GkOpenGLWindowsForm.cpp

@@ -0,0 +1,87 @@
+//--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
+//	GambleKit Copyright (C) 2014 Ivan Donev
+//
+//	This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.
+//
+//	This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+//
+//	You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+//	contact: gamblekit@gmail.com
+//--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
+
+#include "GkOpenGLWindowsForm.h"
+
+
+GkOpenGLWindowsForm::GkOpenGLWindowsForm(HGLRC renderContext)
+{
+	PIXELFORMATDESCRIPTOR d =
+	{
+		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
+		32,											// 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
+	};
+	this->pixelFormatDescriptor = d;
+
+	this->CreateContext(renderContext);
+}
+
+
+GkOpenGLWindowsForm::~GkOpenGLWindowsForm(void)
+{
+}
+
+bool GkOpenGLWindowsForm::CreateContext(HGLRC renderContext)
+{
+	this->deviceContext = GetDC(this->handle);
+	if (this->deviceContext == 0)
+		return false;
+
+	this->pixelFormat = ChoosePixelFormat(this->deviceContext, &this->pixelFormatDescriptor);
+	if (this->pixelFormat == 0)
+		return false;
+
+	if(!SetPixelFormat(this->deviceContext, this->pixelFormat, &this->pixelFormatDescriptor))
+		return false;
+
+	if (renderContext == 0)
+	{
+		this->renderContext = wglCreateContext(this->deviceContext);
+		if (this->renderContext == 0)
+			return false;
+	}
+	else 
+	{
+		this->renderContext = renderContext;
+	}
+
+	if (!this->MakeCurrent())
+		return false;
+
+	return true;
+}
+
+bool GkOpenGLWindowsForm::Present()
+{
+	return SwapBuffers(this->deviceContext) != 0;
+}
+
+bool GkOpenGLWindowsForm::MakeCurrent()
+{
+	return wglMakeCurrent(this->deviceContext, this->renderContext) != 0;
+}