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/*
Copyright (c) 2012 Advanced Micro Devices, Inc.
This software is provided 'as-is', without any express or implied warranty.
In no event will the authors be held liable for any damages arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it freely,
subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
//Originally written by Erwin Coumans
#include "Win32OpenGLWindow.h"
#include "OpenGLInclude.h"
//#include "Bullet3Common/b3Vector3.h"
#include "Win32InternalWindowData.h"
#include <stdio.h>
static void printGLString(const char *name, GLenum s) {
const char *v = (const char *) glGetString(s);
printf("%s = %s\n",name, v);
}
bool sOpenGLVerbose = true;
void Win32OpenGLWindow::enableOpenGL()
{
PIXELFORMATDESCRIPTOR pfd;
int format;
// get the device context (DC)
m_data->m_hDC = GetDC( m_data->m_hWnd );
// set the pixel format for the DC
ZeroMemory( &pfd, sizeof( pfd ) );
pfd.nSize = sizeof( pfd );
pfd.nVersion = 1;
pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER;
pfd.iPixelType = PFD_TYPE_RGBA;
pfd.cColorBits = 32;
pfd.cRedBits = 8;
pfd.cGreenBits = 8;
pfd.cBlueBits = 8;
pfd.cAlphaBits = 8;
pfd.cDepthBits = 24;
pfd.cStencilBits = 8;//1;
pfd.iLayerType = PFD_MAIN_PLANE;
format = ChoosePixelFormat( m_data->m_hDC, &pfd );
SetPixelFormat( m_data->m_hDC, format, &pfd );
// create and enable the render context (RC)
m_data->m_hRC = wglCreateContext( m_data->m_hDC );
wglMakeCurrent( m_data->m_hDC, m_data->m_hRC );
if (sOpenGLVerbose)
{
printGLString("Version", GL_VERSION);
printGLString("Vendor", GL_VENDOR);
printGLString("Renderer", GL_RENDERER);
}
//printGLString("Extensions", GL_EXTENSIONS);
}
void Win32OpenGLWindow::disableOpenGL()
{
wglMakeCurrent( NULL, NULL );
wglDeleteContext( m_data->m_hRC );
// ReleaseDC( m_data->m_hWnd, m_data->m_hDC );
}
void Win32OpenGLWindow::createWindow(const b3gWindowConstructionInfo& ci)
{
Win32Window::createWindow(ci);
//VideoDriver = video::createOpenGLDriver(CreationParams, FileSystem, this);
enableOpenGL();
}
Win32OpenGLWindow::Win32OpenGLWindow()
{
}
Win32OpenGLWindow::~Win32OpenGLWindow()
{
}
void Win32OpenGLWindow::closeWindow()
{
disableOpenGL();
Win32Window::closeWindow();
}
void Win32OpenGLWindow::startRendering()
{
pumpMessage();
//don't clear all 3 buffers because some AMD drivers are buggy
//glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT|GL_STENCIL_BUFFER_BIT);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
//glCullFace(GL_BACK);
//glFrontFace(GL_CCW);
glEnable(GL_DEPTH_TEST);
}
void Win32OpenGLWindow::renderAllObjects()
{
}
void Win32OpenGLWindow::endRendering()
{
SwapBuffers( m_data->m_hDC );
}
int Win32OpenGLWindow::fileOpenDialog(char* fileName, int maxFileNameLength)
{
//wchar_t wideChars[1024];
OPENFILENAME ofn ;
ZeroMemory( &ofn , sizeof( ofn));
ofn.lStructSize = sizeof ( ofn );
ofn.hwndOwner = NULL ;
#ifdef UNICODE
WCHAR bla[1024];
ofn.lpstrFile = bla;
ofn.lpstrFile[0] = '\0';
ofn.nMaxFile = 1023;
ofn.lpstrFilter = L"All Files\0*.*\0URDF\0*.urdf\0.bullet\0*.bullet\0";
#else
ofn.lpstrFile = fileName;
ofn.lpstrFile[0] = '\0';
ofn.nMaxFile = 1023;
//ofn.lpstrFilter = "All\0*.*\0Text\0*.TXT\0";
ofn.lpstrFilter = "All Files\0*.*\0URDF\0*.urdf\0.bullet\0*.bullet\0";
#endif
ofn.nFilterIndex =1;
ofn.lpstrFileTitle = NULL ;
ofn.nMaxFileTitle = 0 ;
ofn.lpstrInitialDir=NULL ;
ofn.Flags = OFN_PATHMUSTEXIST|OFN_FILEMUSTEXIST ;
GetOpenFileName( &ofn );
return strlen(fileName);
//return 0;
}
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