Mercurial > vba-linux

     1 #include "stdafx.h"

     2 #include <cstdio>

     3 

     4 #include "resource.h"

     5 #include "MainWnd.h"

     6 #include "Reg.h"

     7 #include "VBA.h"

     8 

     9 #include "../gba/GBAGlobals.h"

    10 #include "../gb/gbGlobals.h"

    11 #include "../common/Text.h"

    12 #include "../version.h"

    13 

    14 extern u32 RGB_LOW_BITS_MASK;

    15 extern int systemSpeed;

    16 extern void winlog(const char *, ...);

    17 extern int Init_2xSaI(u32);

    18 

    19 class GDIDisplay : public IDisplay

    20 {

    21 private:

    22 	u8 *filterData;

    23 	u8  info[sizeof(BITMAPINFOHEADER)+256*sizeof(RGBQUAD)];

    24 public:

    25 	GDIDisplay();

    26 	virtual ~GDIDisplay();

    27 

    28 	virtual bool initialize();

    29 	virtual void cleanup();

    30 	virtual void render();

    31 	virtual void checkFullScreen();

    32 	virtual void renderMenu();

    33 	virtual void clear();

    34 	virtual DISPLAY_TYPE getType() { return GDI; };

    35 	virtual void setOption(const char *, int) {}

    36 	virtual int selectFullScreenMode(GUID * *);

    37 };

    38 

    39 static int calculateShift(u32 mask)

    40 {

    41 	int m = 0;

    42 

    43 	while (mask)

    44 	{

    45 		m++;

    46 		mask >>= 1;

    47 	}

    48 

    49 	return m-5;

    50 }

    51 

    52 GDIDisplay::GDIDisplay()

    53 {

    54 	filterData = (u8 *)malloc(4*16*256*256); // sufficient for 4x filters @ 32bit color depth

    55 }

    56 

    57 GDIDisplay::~GDIDisplay()

    58 {

    59 	cleanup();

    60 }

    61 

    62 void GDIDisplay::cleanup()

    63 {

    64 	if (filterData)

    65 	{

    66 		free(filterData);

    67 		filterData = NULL;

    68 	}

    69 }

    70 

    71 bool GDIDisplay::initialize()

    72 {

    73 	CWnd *pWnd = theApp.m_pMainWnd;

    74 

    75 	theApp.mode320Available = false;

    76 	theApp.mode640Available = false;

    77 	theApp.mode800Available = false;

    78 

    79 	HDC         dc  = GetDC(NULL);

    80 	HBITMAP     hbm = CreateCompatibleBitmap(dc, 1, 1);

    81 	BITMAPINFO *bi  = (BITMAPINFO *)info;

    82 	ZeroMemory(bi, sizeof(info));

    83 	bi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);

    84 	GetDIBits(dc, hbm, 0, 1, NULL, (LPBITMAPINFO)info, DIB_RGB_COLORS);

    85 	GetDIBits(dc, hbm, 0, 1, NULL, (LPBITMAPINFO)info, DIB_RGB_COLORS);

    86 	DeleteObject(hbm);

    87 	ReleaseDC(NULL, dc);

    88 

    89 	if (bi->bmiHeader.biCompression == BI_BITFIELDS)

    90 	{

    91 		systemColorDepth = bi->bmiHeader.biBitCount;

    92 		if (systemColorDepth == 15)

    93 			systemColorDepth = 16;

    94 		systemRedShift   = calculateShift(*((DWORD *)&bi->bmiColors[0]));

    95 		systemGreenShift = calculateShift(*((DWORD *)&bi->bmiColors[1]));

    96 		systemBlueShift  = calculateShift(*((DWORD *)&bi->bmiColors[2]));

    97 		if (systemColorDepth == 16)

    98 		{

    99 			if (systemGreenShift == 6)

   100 			{

   101 				Init_2xSaI(565);

   102 				RGB_LOW_BITS_MASK = 0x821;

   103 			}

   104 			else

   105 			{

   106 				Init_2xSaI(555);

   107 				RGB_LOW_BITS_MASK = 0x421;

   108 			}

   109 		}

   110 		else if (systemColorDepth == 32)

   111 			Init_2xSaI(32);

   112 	}

   113 	else

   114 	{

   115 		systemColorDepth = 32;

   116 		systemRedShift   = 19;

   117 		systemGreenShift = 11;

   118 		systemBlueShift  = 3;

   119 

   120 		Init_2xSaI(32);

   121 	}

   122 	theApp.fsColorDepth = systemColorDepth;

   123 	if (systemColorDepth == 24)

   124 		theApp.filterFunction = NULL;

   125 #ifdef MMX

   126 	if (!theApp.disableMMX)

   127 		cpu_mmx = theApp.detectMMX();

   128 	else

   129 		cpu_mmx = 0;

   130 #endif

   131 

   132 	switch (systemColorDepth)

   133 	{

   134 	case 16:

   135 	{

   136 		for (int i = 0; i < 0x10000; i++)

   137 		{

   138 			systemColorMap16[i] = ((i & 0x1f) << systemRedShift) |

   139 			                      (((i & 0x3e0) >> 5) << systemGreenShift) |

   140 			                      (((i & 0x7c00) >> 10) << systemBlueShift);

   141 		}

   142 		break;

   143 	}

   144 	case 24:

   145 	case 32:

   146 	{

   147 		for (int i = 0; i < 0x10000; i++)

   148 		{

   149 			systemColorMap32[i] = ((i & 0x1f) << systemRedShift) |

   150 			                      (((i & 0x3e0) >> 5) << systemGreenShift) |

   151 			                      (((i & 0x7c00) >> 10) << systemBlueShift);

   152 		}

   153 		break;

   154 	}

   155 	}

   156 	theApp.updateFilter();

   157 	theApp.updateIFB();

   158 

   159 	pWnd->DragAcceptFiles(TRUE);

   160 

   161 	return TRUE;

   162 }

   163 

   164 void GDIDisplay::clear()

   165 {}

   166 

   167 void GDIDisplay::renderMenu()

   168 {

   169 	checkFullScreen();

   170 	theApp.m_pMainWnd->DrawMenuBar();

   171 }

   172 

   173 void GDIDisplay::checkFullScreen()

   174 {}

   175 

   176 void GDIDisplay::render()

   177 {

   178 	void (*filterFunction)(u8 *, u32, u8 *, u8 *, u32, int, int) = theApp.filterFunction;

   179 	int  filterWidth = theApp.filterWidth, filterHeight = theApp.filterHeight;

   180 /*

   181     if(textMethod == 1)

   182     {

   183         int copyX = 240, copyY = 160;

   184         if(systemCartridgeType == 1)

   185             if(gbBorderOn) copyX = 256, copyY = 224;

   186             else           copyX = 160, copyY = 144;

   187 

   188         extern void Simple1x(u8*,u32,u8*,u8*,u32,int,int);

   189         filterFunction = Simple1x;

   190         filterWidth = copyX*2;

   191         filterHeight = copyY*2;

   192     }

   193  */

   194 	BITMAPINFO *bi = (BITMAPINFO *)info;

   195 	bi->bmiHeader.biWidth  = filterWidth+1;

   196 	bi->bmiHeader.biHeight = -filterHeight;

   197 

   198 	int pitch = filterWidth * 2 + 4;

   199 	if (systemColorDepth == 32)

   200 		pitch = filterWidth * 4 + 4;

   201 	// FIXME: is the 24bit color depth still being used nowadays?

   202 	else if (systemColorDepth == 24)

   203 		pitch = filterWidth * 3;

   204 

   205 	// FIXME: is this working if systemColorDepth == 24?

   206 	int filterPitch = theApp.rect.right*2;

   207 	if (systemColorDepth == 32)

   208 		filterPitch = theApp.rect.right*4;

   209 	else if (systemColorDepth == 24)

   210 		filterPitch = theApp.rect.right*3;

   211 

   212 /*

   213 	// HACK: see below

   214 	if (textMethod == 1 && !filterFunction)

   215 	{

   216 		textMethod = 0; // must not be after systemMessage!

   217 		systemMessage(

   218 		    0,

   219 		    "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...\"");

   220 	}

   221 */

   222 

   223 	if (filterFunction)

   224 	{

   225 		bi->bmiHeader.biWidth  = theApp.rect.right;

   226 		bi->bmiHeader.biHeight = -theApp.rect.bottom;

   227 

   228 		(*filterFunction)(pix + pitch,

   229 						  pitch,

   230 						  (u8 *)theApp.delta,

   231 						  (u8 *)filterData,

   232 						  filterPitch,

   233 						  filterWidth,

   234 						  filterHeight);

   235 	}

   236 

   237 	if (theApp.showSpeed && theApp.videoOption > VIDEO_4X)

   238 	{

   239 		char buffer[30];

   240 		if (theApp.showSpeed == 1)

   241 			sprintf(buffer, "%3d%%", systemSpeed);

   242 		else

   243 			sprintf(buffer, "%3d%%(%d, %d fps)", systemSpeed,

   244 			        systemFrameSkip,

   245 			        theApp.showRenderedFrames);

   246 

   247 		if (filterFunction)

   248 		{

   249 			if (theApp.showSpeedTransparent)

   250 				drawTextTransp((u8 *)filterData,

   251 				               filterPitch,

   252 				               theApp.rect.left+10,

   253 				               theApp.rect.bottom-10,

   254 				               buffer);

   255 			else

   256 				drawText((u8 *)filterData,

   257 				         filterPitch,

   258 			             theApp.rect.left+10,

   259 			             theApp.rect.bottom-10,

   260 				         buffer);

   261 		}

   262 		else

   263 		{

   264 			if (theApp.showSpeedTransparent)

   265 				drawTextTransp((u8 *)pix,

   266 				               pitch,

   267 				               theApp.rect.left+10,

   268 				               theApp.rect.bottom-10,

   269 				               buffer);

   270 			else

   271 				drawText((u8 *)pix,

   272 				         pitch,

   273 			             theApp.rect.left+10,

   274 			             theApp.rect.bottom-10,

   275 				         buffer);

   276 		}

   277 	}

   278 

   279 	if (textMethod == 1 && filterFunction)

   280 	{

   281 		DrawTextMessages((u8 *)filterData, filterPitch, theApp.rect.left, theApp.rect.bottom);

   282 	}

   283 

   284 	POINT p;

   285 	p.x = theApp.dest.left;

   286 	p.y = theApp.dest.top;

   287 	CWnd *pWnd = theApp.m_pMainWnd;

   288 	pWnd->ScreenToClient(&p);

   289 	POINT p2;

   290 	p2.x = theApp.dest.right;

   291 	p2.y = theApp.dest.bottom;

   292 	pWnd->ScreenToClient(&p2);

   293 

   294 	CDC *dc = pWnd->GetDC();

   295 

   296 	StretchDIBits((HDC)*dc,

   297 	              p.x,

   298 	              p.y,

   299 	              p2.x - p.x,

   300 	              p2.y - p.y,

   301 	              0,

   302 	              0,

   303 	              theApp.rect.right,

   304 	              theApp.rect.bottom,

   305 	              filterFunction ? filterData : pix+pitch,

   306 	              bi,

   307 	              DIB_RGB_COLORS,

   308 	              SRCCOPY);

   309 

   310 	if (textMethod == 2 || (textMethod == 1 && !filterFunction)) // HACK: so that textMethod isn't changed

   311 		for (int slot = 0; slot < SCREEN_MESSAGE_SLOTS; slot++)

   312 		{

   313 			if (theApp.screenMessage[slot])

   314 			{

   315 				if ((theApp.screenMessageDuration[slot] < 0 || 

   316 					(int)(GetTickCount() - theApp.screenMessageTime[slot]) < theApp.screenMessageDuration[slot]) &&

   317 				    (!theApp.disableStatusMessage || slot == 1 || slot == 2))

   318 				{

   319 					dc->SetBkMode(TRANSPARENT);

   320 

   321 					if (outlinedText)

   322 					{

   323 						dc->SetTextColor(textColor != 7 ? RGB(0, 0, 0) : RGB(255, 255, 255));

   324 

   325 						// draw black outline

   326 						const static int xd [8] = {-1, 0, 1, 1, 1, 0, -1, -1};

   327 						const static int yd [8] = {-1, -1, -1, 0, 1, 1, 1, 0};

   328 						for (int i = 0; i < 8; i++)

   329 						{

   330 							dc->TextOut(p.x+10+xd[i], p2.y - 20*(slot+1)+yd[i], theApp.screenMessageBuffer[slot]);

   331 						}

   332 					}

   333 

   334 					COLORREF color;

   335 					switch (textColor)

   336 					{

   337 					case 0:

   338 						color = RGB(255, 255, 255); break;

   339 					case 1:

   340 						color = RGB(255, 0, 0); break;

   341 					case 2:

   342 						color = RGB(255, 255, 0); break;

   343 					case 3:

   344 						color = RGB(0, 255, 0); break;

   345 					case 4:

   346 						color = RGB(0, 255, 255); break;

   347 					case 5:

   348 						color = RGB(0, 0, 255); break;

   349 					case 6:

   350 						color = RGB(255, 0, 255); break;

   351 					case 7:

   352 						color = RGB(0, 0, 0); break;

   353 					}

   354 					dc->SetTextColor(color);

   355 

   356 					// draw center text

   357 					dc->TextOut(p.x+10, p2.y - 20*(slot+1), theApp.screenMessageBuffer[slot]);

   358 				}

   359 				else

   360 				{

   361 					theApp.screenMessage[slot] = false;

   362 				}

   363 			}

   364 		}

   365 

   366 	pWnd->ReleaseDC(dc);

   367 }

   368 

   369 int GDIDisplay::selectFullScreenMode(GUID * *)

   370 {

   371 	HWND wnd = GetDesktopWindow();

   372 	RECT r;

   373 	GetWindowRect(wnd, &r);

   374 	int w  = (r.right - r.left) & 4095;

   375 	int h  = (r.bottom - r.top) & 4095;

   376 	HDC dc = GetDC(wnd);

   377 	int c  = GetDeviceCaps(dc, BITSPIXEL);

   378 	ReleaseDC(wnd, dc);

   379 

   380 	return (c << 24) | (w << 12) | h;

   381 }

   382 

   383 IDisplay *newGDIDisplay()

   384 {

   385 	return new GDIDisplay();

   386 }

   387
author	Robert McIntyre <rlm@mit.edu>
date	Sat, 03 Mar 2012 10:31:27 -0600
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