rlm@1: #include "stdafx.h"
rlm@1: #include <gl/GL.h>
rlm@1: 
rlm@1: #include "resource.h"
rlm@1: #include "MainWnd.h"
rlm@1: #include "Reg.h"
rlm@1: #include "VBA.h"
rlm@1: 
rlm@1: #include "../gba/GBAGlobals.h"
rlm@1: #include "../gb/gbGlobals.h"
rlm@1: #include "../common/Text.h"
rlm@1: #include "../version.h"
rlm@1: 
rlm@1: #ifdef MMX
rlm@1: extern "C" bool cpu_mmx;
rlm@1: 
rlm@1: extern bool detectMMX();
rlm@1: #endif
rlm@1: 
rlm@1: extern int systemSpeed;
rlm@1: extern int Init_2xSaI(u32);
rlm@1: extern void winlog(const char *, ...);
rlm@1: 
rlm@1: class OpenGLDisplay : public IDisplay
rlm@1: {
rlm@1: private:
rlm@1: 	HDC    hDC;
rlm@1: 	HGLRC  hglrc;
rlm@1: 	GLuint texture;
rlm@1: 	int    width;
rlm@1: 	int    height;
rlm@1: 	float  size;
rlm@1: 	u8 *   filterData;
rlm@1: 	bool   failed;
rlm@1: 
rlm@1: 	bool initializeTexture(int w, int h);
rlm@1: 	void updateFiltering(int);
rlm@1: public:
rlm@1: 	OpenGLDisplay();
rlm@1: 	virtual ~OpenGLDisplay();
rlm@1: 
rlm@1: 	virtual bool initialize();
rlm@1: 	virtual void cleanup();
rlm@1: 	virtual void render();
rlm@1: 	virtual void checkFullScreen();
rlm@1: 	virtual void renderMenu();
rlm@1: 	virtual void clear();
rlm@1: 	virtual bool changeRenderSize(int w, int h);
rlm@1: 	virtual void resize(int w, int h);
rlm@1: 	virtual DISPLAY_TYPE getType() { return OPENGL; };
rlm@1: 	virtual void setOption(const char *, int);
rlm@1: 	virtual int selectFullScreenMode(GUID * *);
rlm@1: };
rlm@1: 
rlm@1: OpenGLDisplay::OpenGLDisplay()
rlm@1: {
rlm@1: 	hDC        = NULL;
rlm@1: 	hglrc      = NULL;
rlm@1: 	texture    = 0;
rlm@1: 	width      = 0;
rlm@1: 	height     = 0;
rlm@1: 	size       = 0.0f;
rlm@1: 	filterData = (u8 *)malloc(4*16*256*256); // sufficient for 4x filters @ 32bit color depth
rlm@1: 	failed     = false;
rlm@1: }
rlm@1: 
rlm@1: OpenGLDisplay::~OpenGLDisplay()
rlm@1: {
rlm@1: 	cleanup();
rlm@1: }
rlm@1: 
rlm@1: void OpenGLDisplay::cleanup()
rlm@1: {
rlm@1: 	if (texture != 0)
rlm@1: 	{
rlm@1: 		glDeleteTextures(1, &texture);
rlm@1: 		texture = 0;
rlm@1: 	}
rlm@1: 	if (hglrc != NULL)
rlm@1: 	{
rlm@1: 		wglDeleteContext(hglrc);
rlm@1: 		wglMakeCurrent(NULL, NULL);
rlm@1: 		hglrc = NULL;
rlm@1: 	}
rlm@1: 	if (hDC != NULL)
rlm@1: 	{
rlm@1: 		ReleaseDC(*theApp.m_pMainWnd, hDC);
rlm@1: 		hDC = NULL;
rlm@1: 	}
rlm@1: 	if (filterData)
rlm@1: 	{
rlm@1: 		free(filterData);
rlm@1: 		filterData = NULL;
rlm@1: 	}
rlm@1: 	width  = 0;
rlm@1: 	height = 0;
rlm@1: 	size   = 0.0f;
rlm@1: }
rlm@1: 
rlm@1: bool OpenGLDisplay::initialize()
rlm@1: {
rlm@1: 	CWnd *pWnd = theApp.m_pMainWnd;
rlm@1: 
rlm@1: 	theApp.mode320Available = false;
rlm@1: 	theApp.mode640Available = false;
rlm@1: 	theApp.mode800Available = false;
rlm@1: 
rlm@1: 	CDC *dc  = pWnd->GetDC();
rlm@1: 	HDC  hDC = dc->GetSafeHdc();
rlm@1: 
rlm@1: 	PIXELFORMATDESCRIPTOR pfd = {
rlm@1: 		sizeof(PIXELFORMATDESCRIPTOR), //  size of this pfd
rlm@1: 		1, // version number
rlm@1: 		PFD_DRAW_TO_WINDOW | // support window
rlm@1: 		PFD_SUPPORT_OPENGL | // support OpenGL
rlm@1: 		PFD_DOUBLEBUFFER, // double buffered
rlm@1: 		PFD_TYPE_RGBA, // RGBA type
rlm@1: 		16, // 16-bit color depth
rlm@1: 		0, 0, 0, 0, 0, 0,  // color bits ignored
rlm@1: 		0, // no alpha buffer
rlm@1: 		0, // shift bit ignored
rlm@1: 		0, // no accumulation buffer
rlm@1: 		0, 0, 0, 0, // accum bits ignored
rlm@1: 		32, // 32-bit z-buffer
rlm@1: 		0, // no stencil buffer
rlm@1: 		0, // no auxiliary buffer
rlm@1: 		PFD_MAIN_PLANE, // main layer
rlm@1: 		0, // reserved
rlm@1: 		0, 0, 0            // layer masks ignored
rlm@1: 	};
rlm@1: 	int iPixelFormat;
rlm@1: 
rlm@1: 	if (!(iPixelFormat = ChoosePixelFormat(hDC, &pfd)))
rlm@1: 	{
rlm@1: 		winlog("Failed ChoosePixelFormat\n");
rlm@1: 		return false;
rlm@1: 	}
rlm@1: 
rlm@1: 	// obtain detailed information about
rlm@1: 	// the device context's first pixel format
rlm@1: 	if (!(DescribePixelFormat(hDC, iPixelFormat,
rlm@1: 	                          sizeof(PIXELFORMATDESCRIPTOR), &pfd)))
rlm@1: 	{
rlm@1: 		winlog("Failed DescribePixelFormat\n");
rlm@1: 		return false;
rlm@1: 	}
rlm@1: 
rlm@1: 	if (!SetPixelFormat(hDC, iPixelFormat, &pfd))
rlm@1: 	{
rlm@1: 		winlog("Failed SetPixelFormat\n");
rlm@1: 		return false;
rlm@1: 	}
rlm@1: 
rlm@1: 	if (!(hglrc = wglCreateContext(hDC)))
rlm@1: 	{
rlm@1: 		winlog("Failed wglCreateContext\n");
rlm@1: 		return false;
rlm@1: 	}
rlm@1: 
rlm@1: 	if (!wglMakeCurrent(hDC, hglrc))
rlm@1: 	{
rlm@1: 		winlog("Failed wglMakeCurrent\n");
rlm@1: 		return false;
rlm@1: 	}
rlm@1: 	pWnd->ReleaseDC(dc);
rlm@1: 
rlm@1: 	// setup 2D gl environment
rlm@1: 	glPushAttrib(GL_ENABLE_BIT);
rlm@1: 	glDisable(GL_DEPTH_TEST);
rlm@1: 	glDisable(GL_CULL_FACE);
rlm@1: 	glEnable(GL_TEXTURE_2D);
rlm@1: 
rlm@1: 	glViewport(0, 0, theApp.surfaceSizeX, theApp.surfaceSizeY);
rlm@1: 
rlm@1: 	glMatrixMode(GL_PROJECTION);
rlm@1: 	glLoadIdentity();
rlm@1: 
rlm@1: 	glOrtho(0.0, (GLdouble)(theApp.surfaceSizeX), (GLdouble)(theApp.surfaceSizeY),
rlm@1: 	        0.0, 0.0, 1.0);
rlm@1: 	glMatrixMode(GL_MODELVIEW);
rlm@1: 	glLoadIdentity();
rlm@1: 
rlm@1: 	systemRedShift      = 3;
rlm@1: 	systemGreenShift    = 11;
rlm@1: 	systemBlueShift     = 19;
rlm@1: 	systemColorDepth    = 32;
rlm@1: 	theApp.fsColorDepth = 32;
rlm@1: 
rlm@1: 	Init_2xSaI(32);
rlm@1: #ifdef MMX
rlm@1: 	if (!theApp.disableMMX)
rlm@1: 		cpu_mmx = theApp.detectMMX();
rlm@1: 	else
rlm@1: 		cpu_mmx = 0;
rlm@1: #endif
rlm@1: 
rlm@1: 	if (theApp.ddrawDebug)
rlm@1: 	{
rlm@1: 		winlog("R shift: %d\n", systemRedShift);
rlm@1: 		winlog("G shift: %d\n", systemGreenShift);
rlm@1: 		winlog("B shift: %d\n", systemBlueShift);
rlm@1: 	}
rlm@1: 
rlm@1: 	switch (systemColorDepth)
rlm@1: 	{
rlm@1: 	case 16:
rlm@1: 	{
rlm@1: 		for (int i = 0; i < 0x10000; i++)
rlm@1: 		{
rlm@1: 			systemColorMap16[i] = ((i & 0x1f) << systemRedShift) |
rlm@1: 			                      (((i & 0x3e0) >> 5) << systemGreenShift) |
rlm@1: 			                      (((i & 0x7c00) >> 10) << systemBlueShift);
rlm@1: 		}
rlm@1: 		break;
rlm@1: 	}
rlm@1: 	case 24:
rlm@1: 	case 32:
rlm@1: 	{
rlm@1: 		for (int i = 0; i < 0x10000; i++)
rlm@1: 		{
rlm@1: 			systemColorMap32[i] = ((i & 0x1f) << systemRedShift) |
rlm@1: 			                      (((i & 0x3e0) >> 5) << systemGreenShift) |
rlm@1: 			                      (((i & 0x7c00) >> 10) << systemBlueShift);
rlm@1: 		}
rlm@1: 		break;
rlm@1: 	}
rlm@1: 	}
rlm@1: 	theApp.updateFilter();
rlm@1: 	theApp.updateIFB();
rlm@1: 
rlm@1: 	if (failed)
rlm@1: 		return false;
rlm@1: 
rlm@1: 	pWnd->DragAcceptFiles(TRUE);
rlm@1: 
rlm@1: 	return TRUE;
rlm@1: }
rlm@1: 
rlm@1: void OpenGLDisplay::clear()
rlm@1: {}
rlm@1: 
rlm@1: void OpenGLDisplay::renderMenu()
rlm@1: {
rlm@1: 	checkFullScreen();
rlm@1: 	if (theApp.m_pMainWnd)
rlm@1: 		theApp.m_pMainWnd->DrawMenuBar();
rlm@1: }
rlm@1: 
rlm@1: void OpenGLDisplay::checkFullScreen()
rlm@1: {
rlm@1: 	//  if(tripleBuffering)
rlm@1: 	//    pOpenGL->FlipToGDISurface();
rlm@1: }
rlm@1: 
rlm@1: void OpenGLDisplay::render()
rlm@1: {
rlm@1: 	void (*filterFunction)(u8 *, u32, u8 *, u8 *, u32, int, int) = theApp.filterFunction;
rlm@1: 	int  filterWidth = theApp.filterWidth, filterHeight = theApp.filterHeight;
rlm@1: /*
rlm@1:     if(textMethod == 1)
rlm@1:     {
rlm@1:         int copyX = 240, copyY = 160;
rlm@1:         if(systemCartridgeType == 1)
rlm@1:             if(gbBorderOn) copyX = 256, copyY = 224;
rlm@1:             else           copyX = 160, copyY = 144;
rlm@1: 
rlm@1:         extern void Simple1x(u8*,u32,u8*,u8*,u32,int,int);
rlm@1:         filterFunction = Simple1x;
rlm@1:         filterWidth = copyX;
rlm@1:         filterHeight = copyY;
rlm@1:     }
rlm@1:  */
rlm@1: 	int pitch = filterWidth * 4 + 4;
rlm@1: 	u8 *data  = pix + (theApp.sizeX+1)*4;
rlm@1: 
rlm@1: 	int filterPitch = theApp.rect.right*4;
rlm@1: 
rlm@1: /*
rlm@1: 	// HACK: see below
rlm@1: 	if (textMethod == 1 && !filterFunction)
rlm@1: 	{
rlm@1: 		textMethod = 0; // must not be after systemMessage!
rlm@1: 		systemMessage(
rlm@1: 		    0,
rlm@1: 		    "The \"On Game\" text display mode does not work with this combination of renderers and filters.\nThe display mode is automatically being changed to \"In Game\" instead,\nbut this may cause message text to go into AVI recordings and screenshots.\nThis can be reconfigured by choosing \"Options->Video->Text Display Options...\"");
rlm@1: 	}
rlm@1: */
rlm@1: 
rlm@1: 	if (filterFunction)
rlm@1: 	{
rlm@1: 		data = filterData;
rlm@1: 		filterFunction(pix + pitch,
rlm@1: 		               pitch,
rlm@1: 		               (u8 *)theApp.delta,
rlm@1: 		               (u8 *)filterData,
rlm@1: 		               filterPitch,
rlm@1: 		               filterWidth,
rlm@1: 		               filterHeight);
rlm@1: 	}
rlm@1: 
rlm@1: 	if (theApp.showSpeed && theApp.videoOption > VIDEO_4X)
rlm@1: 	{
rlm@1: 		char buffer[30];
rlm@1: 		if (theApp.showSpeed == 1)
rlm@1: 			sprintf(buffer, "%3d%%", systemSpeed);
rlm@1: 		else
rlm@1: 			sprintf(buffer, "%3d%%(%d, %d fps)", systemSpeed,
rlm@1: 			        systemFrameSkip,
rlm@1: 			        theApp.showRenderedFrames);
rlm@1: 
rlm@1: 		if (filterFunction)
rlm@1: 		{
rlm@1: 			if (theApp.showSpeedTransparent)
rlm@1: 				drawTextTransp((u8 *)filterData,
rlm@1: 				               filterPitch,
rlm@1: 				               theApp.rect.left+10,
rlm@1: 				               theApp.rect.bottom-10,
rlm@1: 				               buffer);
rlm@1: 			else
rlm@1: 				drawText((u8 *)filterData,
rlm@1: 				         filterPitch,
rlm@1: 			             theApp.rect.left+10,
rlm@1: 			             theApp.rect.bottom-10,
rlm@1: 				         buffer);
rlm@1: 		}
rlm@1: 		else
rlm@1: 		{
rlm@1: 			if (theApp.showSpeedTransparent)
rlm@1: 				drawTextTransp((u8 *)pix,
rlm@1: 				               pitch,
rlm@1: 				               theApp.rect.left+10,
rlm@1: 				               theApp.rect.bottom-10,
rlm@1: 				               buffer);
rlm@1: 			else
rlm@1: 				drawText((u8 *)pix,
rlm@1: 				         pitch,
rlm@1: 			             theApp.rect.left+10,
rlm@1: 			             theApp.rect.bottom-10,
rlm@1: 				         buffer);
rlm@1: 		}
rlm@1: 	}
rlm@1: 
rlm@1: 	if (textMethod == 1 && filterFunction)
rlm@1: 	{
rlm@1: 		DrawTextMessages((u8 *)filterData, filterPitch, theApp.rect.left, theApp.rect.bottom);
rlm@1: 	}
rlm@1: 
rlm@1: 	// Texturemap complete texture to surface so we have free scaling
rlm@1: 	// and antialiasing
rlm@1: 	if (filterFunction)
rlm@1: 	{
rlm@1: 		glPixelStorei(GL_UNPACK_ROW_LENGTH, theApp.rect.right);
rlm@1: 	}
rlm@1: 	else
rlm@1: 	{
rlm@1: 		glPixelStorei(GL_UNPACK_ROW_LENGTH, theApp.sizeX+1);
rlm@1: 	}
rlm@1: 
rlm@1: 	glTexSubImage2D(GL_TEXTURE_2D, 0,
rlm@1: 					0, 0, theApp.rect.right, theApp.rect.bottom,
rlm@1: 	                GL_RGBA, GL_UNSIGNED_BYTE, data);
rlm@1: 
rlm@1: 	if (theApp.glType == 0)
rlm@1: 	{
rlm@1: 		glBegin(GL_TRIANGLE_STRIP);
rlm@1: 		glTexCoord2f(0.0, 0.0); glVertex3i(0, 0, 0);
rlm@1: 		glTexCoord2f(theApp.rect.right/size, 0.0); glVertex3i(theApp.surfaceSizeX, 0, 0);
rlm@1: 		glTexCoord2f(0.0, theApp.rect.bottom/size); glVertex3i(0, theApp.surfaceSizeY, 0);
rlm@1: 		glTexCoord2f(theApp.rect.right/size, theApp.rect.bottom/size); glVertex3i(theApp.surfaceSizeX, theApp.surfaceSizeY, 0);
rlm@1: 		glEnd();
rlm@1: 	}
rlm@1: 	else
rlm@1: 	{
rlm@1: 		glBegin(GL_QUADS);
rlm@1: 		glTexCoord2f(0.0, 0.0); glVertex3i(0, 0, 0);
rlm@1: 		glTexCoord2f(theApp.rect.right/size, 0.0); glVertex3i(theApp.surfaceSizeX, 0, 0);
rlm@1: 		glTexCoord2f(theApp.rect.right/size, theApp.rect.bottom/size); glVertex3i(theApp.surfaceSizeX, theApp.surfaceSizeY, 0);
rlm@1: 		glTexCoord2f(0.0, theApp.rect.bottom/size); glVertex3i(0, theApp.surfaceSizeY, 0);
rlm@1: 		glEnd();
rlm@1: 	}
rlm@1: 
rlm@1: 	CDC *dc = theApp.m_pMainWnd->GetDC();
rlm@1: 
rlm@1: 	if (textMethod == 2 || (textMethod == 1 && !filterFunction)) // HACK: so that textMethod isn't changed
rlm@1: 	{
rlm@1: 		for (int slot = 0; slot < SCREEN_MESSAGE_SLOTS; slot++)
rlm@1: 		{
rlm@1: 			if (theApp.screenMessage[slot])
rlm@1: 			{
rlm@1: 				if ((theApp.screenMessageDuration[slot] < 0 || 
rlm@1: 					(int)(GetTickCount() - theApp.screenMessageTime[slot]) < theApp.screenMessageDuration[slot]) &&
rlm@1: 				    (!theApp.disableStatusMessage || slot == 1 || slot == 2))
rlm@1: 				{
rlm@1: 					dc->SetBkMode(TRANSPARENT);
rlm@1: 
rlm@1: 					if (outlinedText)
rlm@1: 					{
rlm@1: 						dc->SetTextColor(textColor != 7 ? RGB(0, 0, 0) : RGB(255, 255, 255));
rlm@1: 						// draw black outline
rlm@1: 						const static int xd [8] = {-1, 0, 1, 1, 1, 0, -1, -1};
rlm@1: 						const static int yd [8] = {-1, -1, -1, 0, 1, 1, 1, 0};
rlm@1: 						for (int i = 0; i < 8; i++)
rlm@1: 						{
rlm@1: 							dc->TextOut(10+xd[i], theApp.surfaceSizeY - 20*(slot+1)+yd[i], theApp.screenMessageBuffer[slot]);
rlm@1: 						}
rlm@1: 					}
rlm@1: 
rlm@1: 					COLORREF color;
rlm@1: 					switch (textColor)
rlm@1: 					{
rlm@1: 					case 0:
rlm@1: 						color = RGB(255, 255, 255); break;
rlm@1: 					case 1:
rlm@1: 						color = RGB(255, 0, 0); break;
rlm@1: 					case 2:
rlm@1: 						color = RGB(255, 255, 0); break;
rlm@1: 					case 3:
rlm@1: 						color = RGB(0, 255, 0); break;
rlm@1: 					case 4:
rlm@1: 						color = RGB(0, 255, 255); break;
rlm@1: 					case 5:
rlm@1: 						color = RGB(0, 0, 255); break;
rlm@1: 					case 6:
rlm@1: 						color = RGB(255, 0, 255); break;
rlm@1: 					case 7:
rlm@1: 						color = RGB(0, 0, 0); break;
rlm@1: 					}
rlm@1: 					dc->SetTextColor(color);
rlm@1: 
rlm@1: 					// draw center text
rlm@1: 					dc->TextOut(10, theApp.surfaceSizeY - 20*(slot+1), theApp.screenMessageBuffer[slot]);
rlm@1: 				}
rlm@1: 				else
rlm@1: 				{
rlm@1: 					theApp.screenMessage[slot] = false;
rlm@1: 				}
rlm@1: 			}
rlm@1: 		}
rlm@1: 	}
rlm@1: 
rlm@1: 	SwapBuffers(dc->GetSafeHdc());
rlm@1: 
rlm@1: 	theApp.m_pMainWnd->ReleaseDC(dc);
rlm@1: }
rlm@1: 
rlm@1: void OpenGLDisplay::resize(int w, int h)
rlm@1: {
rlm@1: 	glViewport(0, 0, w, h);
rlm@1: 	glMatrixMode(GL_PROJECTION);
rlm@1: 	glLoadIdentity();
rlm@1: 
rlm@1: 	glOrtho(0.0, (GLdouble)(w), (GLdouble)(h), 0.0, 0.0, 1.0);
rlm@1: 	glMatrixMode(GL_MODELVIEW);
rlm@1: 	glLoadIdentity();
rlm@1: }
rlm@1: 
rlm@1: void OpenGLDisplay::updateFiltering(int value)
rlm@1: {
rlm@1: 	switch (value)
rlm@1: 	{
rlm@1: 	case 0:
rlm@1: 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
rlm@1: 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
rlm@1: 		break;
rlm@1: 	case 1:
rlm@1: 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
rlm@1: 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
rlm@1: 		break;
rlm@1: 	}
rlm@1: }
rlm@1: 
rlm@1: bool OpenGLDisplay::initializeTexture(int w, int h)
rlm@1: {
rlm@1: 	int mySize = 256;
rlm@1: 	size = 256.0f;
rlm@1: 	if (w > 511 || h > 511)
rlm@1: 	{
rlm@1: 		size   = 1024.0f;
rlm@1: 		mySize = 1024;
rlm@1: 	}
rlm@1: 	else if (w > 255 || h > 255)
rlm@1: 	{
rlm@1: 		size   = 512.0f;
rlm@1: 		mySize = 512;
rlm@1: 	}
rlm@1: 	glGenTextures(1, &texture);
rlm@1: 	glBindTexture(GL_TEXTURE_2D, texture);
rlm@1: 
rlm@1: 	int filter = regQueryDwordValue("glFilter", 0);
rlm@1: 	if (filter < 0 || filter > 1)
rlm@1: 		filter = 0;
rlm@1: 	updateFiltering(filter);
rlm@1: 
rlm@1: 	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, mySize, mySize, 0, GL_RGBA,
rlm@1: 	             GL_UNSIGNED_BYTE, NULL);
rlm@1: 	width  = w;
rlm@1: 	height = h;
rlm@1: 
rlm@1: 	return true;
rlm@1: }
rlm@1: 
rlm@1: bool OpenGLDisplay::changeRenderSize(int w, int h)
rlm@1: {
rlm@1: 	if (width != w || height != h)
rlm@1: 	{
rlm@1: 		if (texture != 0)
rlm@1: 		{
rlm@1: 			glDeleteTextures(1, &texture);
rlm@1: 			texture = 0;
rlm@1: 		}
rlm@1: 		if (!initializeTexture(w, h))
rlm@1: 		{
rlm@1: 			failed = true;
rlm@1: 			return false;
rlm@1: 		}
rlm@1: 	}
rlm@1: 	return true;
rlm@1: }
rlm@1: 
rlm@1: void OpenGLDisplay::setOption(const char *option, int value)
rlm@1: {
rlm@1: 	if (!strcmp(option, "glFilter"))
rlm@1: 		updateFiltering(value);
rlm@1: }
rlm@1: 
rlm@1: int OpenGLDisplay::selectFullScreenMode(GUID * *)
rlm@1: {
rlm@1: 	HWND wnd = GetDesktopWindow();
rlm@1: 	RECT r;
rlm@1: 	GetWindowRect(wnd, &r);
rlm@1: 	int w  = (r.right - r.left) & 4095;
rlm@1: 	int h  = (r.bottom - r.top) & 4095;
rlm@1: 	HDC dc = GetDC(wnd);
rlm@1: 	int c  = GetDeviceCaps(dc, BITSPIXEL);
rlm@1: 	ReleaseDC(wnd, dc);
rlm@1: 
rlm@1: 	return (c << 24) | (w << 12) | h;
rlm@1: }
rlm@1: 
rlm@1: IDisplay *newOpenGLDisplay()
rlm@1: {
rlm@1: 	return new OpenGLDisplay();
rlm@1: }
rlm@1: