diff options
Diffstat (limited to 'src/mesa/drivers/windows')
| -rw-r--r-- | src/mesa/drivers/windows/wmesa.c | 2982 |
1 files changed, 1427 insertions, 1555 deletions
diff --git a/src/mesa/drivers/windows/wmesa.c b/src/mesa/drivers/windows/wmesa.c index 610732161d..bd07d08ed1 100644 --- a/src/mesa/drivers/windows/wmesa.c +++ b/src/mesa/drivers/windows/wmesa.c @@ -1,4 +1,4 @@ -/* $Id: wmesa.c,v 1.20 2001/09/25 16:22:40 kschultz Exp $ */ +/* $Id: wmesa.c,v 1.21 2001/10/04 19:04:56 kschultz Exp $ */ /* * Windows (Win32) device driver for Mesa 3.4 @@ -15,32 +15,43 @@ * This file and its associations are partially borrowed from the * Windows NT driver for Mesa 1.8 , written by Mark Leaming * (mark@rsinc.com). + * + * Updated for Mesa 4.0 by Karl Schultz (kschultz@sourceforge.net) */ -#define WMESA_STEREO_C -#include <windows.h> -#include <stdio.h> -#include <stdlib.h> +#include "wmesadef.h" #include <GL/wmesa.h> #include "mesa_extend.h" + +#include "glheader.h" #include "colors.h" -#include "macros.h" #include "context.h" +#include "colormac.h" #include "dd.h" -//#include "xform.h" -//#include "vb.h" -#include "matrix.h" #include "depth.h" -#include "wmesadef.h" - -#pragma warning ( disable : 4100 4133 4761 ) - -#ifdef PROFILE -// #include "profile.h" -#endif - +#include "extensions.h" +#include "macros.h" +#include "matrix.h" +#include "mem.h" +#include "mmath.h" +#include "mtypes.h" +#include "texformat.h" +#include "texstore.h" +#include "array_cache/acache.h" +#include "swrast/swrast.h" +#include "swrast_setup/swrast_setup.h" +#include "swrast/s_context.h" +#include "swrast/s_depth.h" +#include "swrast/s_lines.h" +#include "swrast/s_triangle.h" +#include "swrast/s_trispan.h" +#include "tnl/tnl.h" +#include "tnl/t_context.h" +#include "tnl/t_pipeline.h" + +/* Dither not tested for Mesa 4.0 */ #ifdef DITHER #include <wing.h> #endif @@ -51,18 +62,18 @@ #define CopyMemory memcpy #endif +/* Stereo and parallel not tested for Mesa 4.0. */ #if !defined(NO_STEREO) - #include "gl\glu.h" #include "stereo.h" - #endif + #if !defined(NO_PARALLEL) - #include "parallel.h" +#include "parallel.h" #endif +/* File global varaibles */ struct DISPLAY_OPTIONS displayOptions; - GLenum stereoCompile = GL_FALSE ; GLenum stereoShowing = GL_FALSE ; GLenum stereoBuffer = GL_FALSE; @@ -71,61 +82,34 @@ GLint displayList = MAXIMUM_DISPLAY_LIST ; #endif GLint stereo_flag = 0 ; -/* end of added code*/ - static PWMC Current = NULL; WMesaContext WC = NULL; -#if 0 -#ifdef NDEBUG -#define assert(ignore) ((void) 0) -#else -void Mesa_Assert(void *Cond,void *File,unsigned Line) -{ - char Msg[512]; - sprintf(Msg,"%s %s %d",Cond,File,Line); - MessageBox(NULL,Msg,"Assertion failed.",MB_OK); - exit(1); -} -#define assert(e) if (!e) Mesa_Assert(#e,__FILE__,__LINE__); -#endif -#endif -//#define DD_GETDC (Current->hDC ) + +/* If we are double-buffering, we want to get the DC for the + * off-screen DIB, otherwise the DC for the window. + */ #define DD_GETDC ((Current->db_flag) ? Current->dib.hDC : Current->hDC ) -//#define DD_GETDC ((Current->db_flag) ? Current->hDCPrimary : Current->hDCBack ) #define DD_RELEASEDC -//#define BEGINGDICALL if(Current->rgb_flag)wmFlushBits(Current); -#define BEGINGDICALL -//#define ENDGDICALL if(Current->rgb_flag)wmGetBits(Current); -#define ENDGDICALL - -//#define FLIP(Y) (Current->dither_flag? Y : Current->height-(Y)-1) -//#define FLIP(Y) (Current->height-(Y)-1) -//#define FLIP(Y) Y -/* - * XXX Why only flip Y coord if single buffered??? - */ -#define FLIP(Y) (Current->db_flag? Y: Current->height-(Y)-1) -#define STARTPROFILE -#define ENDPROFILE(PARA) +#define FLIP(Y) (Current->height-(Y)-1) #define DITHER_RGB_TO_8BIT_SETUP \ GLubyte pixelDithered; -#define DITHER_RGB_TO_8BIT(red, green, blue, pixel, scanline) \ -{ \ - char unsigned redtemp, greentemp, bluetemp, paletteindex; \ - redtemp = aDividedBy51[red] \ - + (aModulo51[red] > aHalftone8x8[(pixel%8)*8 \ - + scanline%8]); \ - greentemp = aDividedBy51[(char unsigned)green] \ - + (aModulo51[green] > aHalftone8x8[ \ - (pixel%8)*8 + scanline%8]); \ - bluetemp = aDividedBy51[(char unsigned)blue] \ - + (aModulo51[blue] > aHalftone8x8[ \ - (pixel%8)*8 +scanline%8]); \ - paletteindex = redtemp + aTimes6[greentemp] + aTimes36[bluetemp]; \ - pixelDithered = aWinGHalftoneTranslation[paletteindex]; \ +#define DITHER_RGB_TO_8BIT(red, green, blue, pixel, scanline) \ +{ \ + char unsigned redtemp, greentemp, bluetemp, paletteindex; \ + redtemp = aDividedBy51[red] \ + + (aModulo51[red] > aHalftone8x8[(pixel%8)*8 \ + + scanline%8]); \ + greentemp = aDividedBy51[(char unsigned)green] \ + + (aModulo51[green] > aHalftone8x8[ \ + (pixel%8)*8 + scanline%8]); \ + bluetemp = aDividedBy51[(char unsigned)blue] \ + + (aModulo51[blue] > aHalftone8x8[ \ + (pixel%8)*8 +scanline%8]); \ + paletteindex = redtemp + aTimes6[greentemp] + aTimes36[bluetemp];\ + pixelDithered = aWinGHalftoneTranslation[paletteindex]; \ } @@ -138,185 +122,172 @@ static BOOL DDCreateOffScreen(WMesaContext wc); #endif static void FlushToFile(PWMC pwc, PSTR szFile); - BOOL wmCreateBackingStore(PWMC pwc, long lxSize, long lySize); BOOL wmDeleteBackingStore(PWMC pwc); void wmCreatePalette( PWMC pwdc ); BOOL wmSetDibColors(PWMC pwc); void wmSetPixel(PWMC pwc, int iScanLine, int iPixel, BYTE r, BYTE g, BYTE b); - +BOOL wmFlush(PWMC pwc); void wmCreateDIBSection( - HDC hDC, - PWMC pwc, // handle of device context - CONST BITMAPINFO *pbmi, // address of structure containing bitmap size, format, and color data - UINT iUsage // color data type indicator: RGB values or palette indices - ); - - + HDC hDC, + PWMC pwc, // handle of device context + CONST BITMAPINFO *pbmi, // bitmap size, format, and color data + UINT iUsage // color data type indicator: RGB values or palette indices + ); void WMesaViewport( GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height ); -//static triangle_func choose_triangle_function( GLcontext *ctx ); - - static void wmSetPixelFormat( PWMC wc, HDC hDC) { - if(wc->rgb_flag) - wc->cColorBits = GetDeviceCaps(hDC, BITSPIXEL); + if(wc->rgb_flag) + wc->cColorBits = GetDeviceCaps(hDC, BITSPIXEL); + else + wc->cColorBits = 8; + switch(wc->cColorBits){ + case 8: + if(wc->dither_flag != GL_TRUE) + wc->pixelformat = PF_INDEX8; else - wc->cColorBits = 8; - switch(wc->cColorBits){ - case 8: - if(wc->dither_flag != GL_TRUE) - wc->pixelformat = PF_INDEX8; - else - wc->pixelformat = PF_DITHER8; - break; - case 16: - wc->pixelformat = PF_5R6G5B; - break; - case 32: - wc->pixelformat = PF_8R8G8B; - break; - default: - wc->pixelformat = PF_BADFORMAT; - } -} - -// -// This function sets the color table of a DIB section -// to match that of the destination DC -// -BOOL /*WINAPI*/ wmSetDibColors(PWMC pwc) -{ - RGBQUAD *pColTab, *pRGB; - PALETTEENTRY *pPal, *pPE; - int i, nColors; - BOOL bRet=TRUE; - DWORD dwErr=0; - - /* Build a color table in the DIB that maps to the - selected palette in the DC. - */ - nColors = 1 << pwc->cColorBits; - pPal = (PALETTEENTRY *)malloc( nColors * sizeof(PALETTEENTRY)); - memset( pPal, 0, nColors * sizeof(PALETTEENTRY) ); - GetPaletteEntries( pwc->hGLPalette, 0, nColors, pPal ); - pColTab = (RGBQUAD *)malloc( nColors * sizeof(RGBQUAD)); - for (i = 0, pRGB = pColTab, pPE = pPal; i < nColors; i++, pRGB++, pPE++) { - pRGB->rgbRed = pPE->peRed; - pRGB->rgbGreen = pPE->peGreen; - pRGB->rgbBlue = pPE->peBlue; - } - if(pwc->db_flag) - bRet = SetDIBColorTable(pwc->dib.hDC, 0, nColors, pColTab ); - - if(!bRet) - dwErr = GetLastError(); - - free( pColTab ); - free( pPal ); - - return(bRet); -} - - -// -// Free up the dib section that was created -// -BOOL wmDeleteBackingStore(PWMC pwc) -{ - SelectObject(pwc->dib.hDC, pwc->hOldBitmap); - DeleteDC(pwc->dib.hDC); - DeleteObject(pwc->hbmDIB); - UnmapViewOfFile(pwc->dib.base); - CloseHandle(pwc->dib.hFileMap); - return TRUE; + wc->pixelformat = PF_DITHER8; + break; + case 16: + wc->pixelformat = PF_5R6G5B; + break; + case 32: + wc->pixelformat = PF_8R8G8B; + break; + default: + wc->pixelformat = PF_BADFORMAT; + } +} + + +/* This function sets the color table of a DIB section + * to match that of the destination DC + */ +BOOL wmSetDibColors(PWMC pwc) +{ + RGBQUAD *pColTab, *pRGB; + PALETTEENTRY *pPal, *pPE; + int i, nColors; + BOOL bRet=TRUE; + DWORD dwErr=0; + + /* Build a color table in the DIB that maps to the + * selected palette in the DC. + */ + nColors = 1 << pwc->cColorBits; + pPal = (PALETTEENTRY *)malloc( nColors * sizeof(PALETTEENTRY)); + memset( pPal, 0, nColors * sizeof(PALETTEENTRY) ); + GetPaletteEntries( pwc->hGLPalette, 0, nColors, pPal ); + pColTab = (RGBQUAD *)malloc( nColors * sizeof(RGBQUAD)); + for (i = 0, pRGB = pColTab, pPE = pPal; i < nColors; i++, pRGB++, pPE++) { + pRGB->rgbRed = pPE->peRed; + pRGB->rgbGreen = pPE->peGreen; + pRGB->rgbBlue = pPE->peBlue; + } + if(pwc->db_flag) + bRet = SetDIBColorTable(pwc->dib.hDC, 0, nColors, pColTab ); + + if(!bRet) + dwErr = GetLastError(); + + free( pColTab ); + free( pPal ); + + return bRet; } -// -// This function creates the DIB section that is used for combined -// GL and GDI calls -// -BOOL /*WINAPI*/ wmCreateBackingStore(PWMC pwc, long lxSize, long lySize) +/* + * Free up the dib section that was created + */ +BOOL wmDeleteBackingStore(PWMC pwc) { - HDC hdc = pwc->hDC; - LPBITMAPINFO pbmi = &(pwc->bmi); - int iUsage; - - pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); - pbmi->bmiHeader.biWidth = lxSize; - pbmi->bmiHeader.biHeight= -lySize; - pbmi->bmiHeader.biPlanes = 1; - if(pwc->rgb_flag) - pbmi->bmiHeader.biBitCount = GetDeviceCaps(pwc->hDC, BITSPIXEL); - else - pbmi->bmiHeader.biBitCount = 8; - pbmi->bmiHeader.biCompression = BI_RGB; - pbmi->bmiHeader.biSizeImage = 0; - pbmi->bmiHeader.biXPelsPerMeter = 0; - pbmi->bmiHeader.biYPelsPerMeter = 0; - pbmi->bmiHeader.biClrUsed = 0; - pbmi->bmiHeader.biClrImportant = 0; - - iUsage = (pbmi->bmiHeader.biBitCount <= 8) ? DIB_PAL_COLORS : DIB_RGB_COLORS; - - pwc->cColorBits = pbmi->bmiHeader.biBitCount; - pwc->ScanWidth = pwc->pitch = lxSize; - - wmCreateDIBSection(hdc, pwc, pbmi, iUsage); - - if ((iUsage == DIB_PAL_COLORS) && !(pwc->hGLPalette)) { - wmCreatePalette( pwc ); - wmSetDibColors( pwc ); - } - wmSetPixelFormat(pwc, pwc->hDC); - return(TRUE); - + SelectObject(pwc->dib.hDC, pwc->hOldBitmap); + DeleteDC(pwc->dib.hDC); + DeleteObject(pwc->hbmDIB); + UnmapViewOfFile(pwc->dib.base); + CloseHandle(pwc->dib.hFileMap); + return TRUE; } -// -// This function copies one scan line in a DIB section to another -// -BOOL WINAPI wmSetDIBits(PWMC pwc, UINT uiScanWidth, UINT uiNumScans, UINT nBypp, UINT uiNewWidth, LPBYTE pBits) -{ - UINT uiScans = 0; - LPBYTE pDest = pwc->pbPixels; - DWORD dwNextScan = uiScanWidth; - DWORD dwNewScan = uiNewWidth; - DWORD dwScanWidth = (uiScanWidth * nBypp); - - // - // We need to round up to the nearest DWORD - // and multiply by the number of bytes per - // pixel - // - dwNextScan = (((dwNextScan * nBypp)+ 3) & ~3); - dwNewScan = (((dwNewScan * nBypp)+ 3) & ~3); - - for(uiScans = 0; uiScans < uiNumScans; uiScans++){ - CopyMemory(pDest, pBits, dwScanWidth); - pBits += dwNextScan; - pDest += dwNewScan; - } - - return(TRUE); - +/* + * This function creates the DIB section that is used for combined + * GL and GDI calls + */ +BOOL wmCreateBackingStore(PWMC pwc, long lxSize, long lySize) +{ + HDC hdc = pwc->hDC; + LPBITMAPINFO pbmi = &(pwc->bmi); + int iUsage; + + pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); + pbmi->bmiHeader.biWidth = lxSize; + pbmi->bmiHeader.biHeight= -lySize; + pbmi->bmiHeader.biPlanes = 1; + if(pwc->rgb_flag) + pbmi->bmiHeader.biBitCount = GetDeviceCaps(pwc->hDC, BITSPIXEL); + else + pbmi->bmiHeader.biBitCount = 8; + pbmi->bmiHeader.biCompression = BI_RGB; + pbmi->bmiHeader.biSizeImage = 0; + pbmi->bmiHeader.biXPelsPerMeter = 0; + pbmi->bmiHeader.biYPelsPerMeter = 0; + pbmi->bmiHeader.biClrUsed = 0; + pbmi->bmiHeader.biClrImportant = 0; + + iUsage = (pbmi->bmiHeader.biBitCount <= 8) ? DIB_PAL_COLORS : DIB_RGB_COLORS; + + pwc->cColorBits = pbmi->bmiHeader.biBitCount; + pwc->ScanWidth = pwc->pitch = lxSize; + + wmCreateDIBSection(hdc, pwc, pbmi, iUsage); + + if ((iUsage == DIB_PAL_COLORS) && !(pwc->hGLPalette)) { + wmCreatePalette( pwc ); + wmSetDibColors( pwc ); + } + wmSetPixelFormat(pwc, pwc->hDC); + return TRUE; } -BOOL wmFlush(PWMC pwc); - /* -* Useful macros: -Modified from file osmesa.c -*/ - - -#define PIXELADDR(X,Y) ((GLubyte *)Current->pbPixels + (Current->height-Y-1)* Current->ScanWidth + (X)*nBypp) + * This function copies one scan line in a DIB section to another + */ +BOOL wmSetDIBits(PWMC pwc, UINT uiScanWidth, UINT uiNumScans, + UINT nBypp, UINT uiNewWidth, LPBYTE pBits) +{ + UINT uiScans = 0; + LPBYTE pDest = pwc->pbPixels; + DWORD dwNextScan = uiScanWidth; + DWORD dwNewScan = uiNewWidth; + DWORD dwScanWidth = (uiScanWidth * nBypp); + + /* + * We need to round up to the nearest DWORD + * and multiply by the number of bytes per + * pixel + */ + dwNextScan = (((dwNextScan * nBypp)+ 3) & ~3); + dwNewScan = (((dwNewScan * nBypp)+ 3) & ~3); + + for(uiScans = 0; uiScans < uiNumScans; uiScans++){ + CopyMemory(pDest, pBits, dwScanWidth); + pBits += dwNextScan; + pDest += dwNewScan; + } + return TRUE; +} + + + +#define PIXELADDR(X,Y) \ + ((GLubyte *)Current->pbPixels + (Current->height-Y-1)* \ + Current->ScanWidth + (X)*nBypp) #define PIXELADDR1( X, Y ) \ ((GLubyte *)wmesa->pbPixels + (wmesa->height-Y-1)* wmesa->ScanWidth + (X)) #define PIXELADDR2( X, Y ) \ @@ -330,207 +301,185 @@ BYTE DITHER_RGB_2_8BIT( int r, int g, int b, int x, int y); /* Finish all pending operations and synchronize. */ static void finish(GLcontext* ctx) { - /* No op */ + /* No op */ } -// -// We cache all gl draw routines until a flush is made -// static void flush(GLcontext* ctx) { - STARTPROFILE - if((Current->rgb_flag /*&& !(Current->dib.fFlushed)*/&&!(Current->db_flag)) - ||(!Current->rgb_flag)) - { - wmFlush(Current); - } - ENDPROFILE(flush) - + if((Current->rgb_flag &&!(Current->db_flag)) + ||(!Current->rgb_flag)) + { + wmFlush(Current); + } + } /* -* Set the color index used to clear the color buffer. -*/ + * Set the color index used to clear the color buffer. + */ static void clear_index(GLcontext* ctx, GLuint index) { - STARTPROFILE - Current->clearpixel = index; - ENDPROFILE(clear_index) + Current->clearpixel = index; } /* -* Set the color used to clear the color buffer. -*/ + * Set the color used to clear the color buffer. + */ static void clear_color( GLcontext* ctx, const GLchan color[4] ) { - STARTPROFILE - Current->clearpixel = RGB(color[0], color[1], color[2]); - ENDPROFILE(clear_color) + Current->clearpixel = RGB(color[0], color[1], color[2]); } /* -* Clear the specified region of the color buffer using the clear color -* or index as specified by one of the two functions above. -*/ -//static void clear(GLcontext* ctx, -// GLboolean all,GLint x, GLint y, GLint width, GLint height ) -// TODO: I modified this function to match the prototype in -// dd.h. (swansma@geocities.com) - -static GLbitfield clear(GLcontext* ctx, GLbitfield mask, - GLboolean all, GLint x, GLint y, GLint width, GLint height) -{ - DWORD dwColor; - WORD wColor; - BYTE bColor; - LPDWORD lpdw = (LPDWORD)Current->pbPixels; - LPWORD lpw = (LPWORD)Current->pbPixels; - LPBYTE lpb = Current->pbPixels; - int lines; - - STARTPROFILE - - if (all){ - x=y=0; - width=Current->width; - height=Current->height; - } - if(Current->db_flag==GL_TRUE){ - UINT nBypp = Current->cColorBits / 8; - int i = 0; - int iSize = 0; - - if(nBypp ==1 ){ - /* Need rectification */ - iSize = Current->width/4; - bColor = BGR8(GetRValue(Current->clearpixel), - GetGValue(Current->clearpixel), - GetBValue(Current->clearpixel)); - wColor = MAKEWORD(bColor,bColor); - dwColor = MAKELONG(wColor, wColor); - } - if(nBypp == 2){ - iSize = Current->width / 2; - wColor = BGR16(GetRValue(Current->clearpixel), - GetGValue(Current->clearpixel), - GetBValue(Current->clearpixel)); - dwColor = MAKELONG(wColor, wColor); - } - else if(nBypp == 4){ - iSize = Current->width; - dwColor = BGR32(GetRValue(Current->clearpixel), - GetGValue(Current->clearpixel), - GetBValue(Current->clearpixel)); - } - - while(i < iSize){ - *lpdw = dwColor; - lpdw++; - i++; - } - - // - // This is the 24bit case - // - if (nBypp == 3) { - iSize = Current->width *3/4; - dwColor = BGR24(GetRValue(Current->clearpixel), - GetGValue(Current->clearpixel), - GetBValue(Current->clearpixel)); - while(i < iSize){ - *lpdw = dwColor; - lpb += nBypp; - lpdw = (LPDWORD)lpb; - i++; - } - } - - i = 0; - if (stereo_flag) - lines = height /2; - else - lines = height; - do { - memcpy(lpb, Current->pbPixels, iSize*4); - lpb += Current->ScanWidth; - i++; - } - while (i<lines-1); - } - else { // For single buffer - HDC DC=DD_GETDC; - HPEN Pen=CreatePen(PS_SOLID,1,Current->clearpixel); - HBRUSH Brush=CreateSolidBrush(Current->clearpixel); - HPEN Old_Pen=SelectObject(DC,Pen); - HBRUSH Old_Brush=SelectObject(DC,Brush); - Rectangle(DC,x,y,x+width,y+height); - SelectObject(DC,Old_Pen); - SelectObject(DC,Old_Brush); - DeleteObject(Pen); - DeleteObject(Brush); - DD_RELEASEDC; - } - - - - ENDPROFILE(clear) + * Clear the specified region of the color buffer using the clear color + * or index as specified by one of the two functions above. + */ - return mask; // TODO: I doubt this is correct. dd.h doesn't explain what this should - // be... +static clear(GLcontext* ctx, GLbitfield mask, + GLboolean all, GLint x, GLint y, GLint width, GLint height) +{ + DWORD dwColor; + WORD wColor; + BYTE bColor; + LPDWORD lpdw = (LPDWORD)Current->pbPixels; + LPWORD lpw = (LPWORD)Current->pbPixels; + LPBYTE lpb = Current->pbPixels; + int lines; + + if (all){ + x=y=0; + width=Current->width; + height=Current->height; + } + if(Current->db_flag==GL_TRUE){ + UINT nBypp = Current->cColorBits / 8; + int i = 0; + int iSize = 0; + + if(nBypp ==1 ){ + /* Need rectification */ + iSize = Current->width/4; + bColor = BGR8(GetRValue(Current->clearpixel), + GetGValue(Current->clearpixel), + GetBValue(Current->clearpixel)); + wColor = MAKEWORD(bColor,bColor); + dwColor = MAKELONG(wColor, wColor); + } + if(nBypp == 2){ + iSize = Current->width / 2; + wColor = BGR16(GetRValue(Current->clearpixel), + GetGValue(Current->clearpixel), + GetBValue(Current->clearpixel)); + dwColor = MAKELONG(wColor, wColor); + } + else if(nBypp == 4){ + iSize = Current->width; + dwColor = BGR32(GetRValue(Current->clearpixel), + GetGValue(Current->clearpixel), + GetBValue(Current->clearpixel)); + } + + while(i < iSize){ + *lpdw = dwColor; + lpdw++; + i++; + } + + /* This is the 24bit case */ + if (nBypp == 3) { + iSize = Current->width *3/4; + dwColor = BGR24(GetRValue(Current->clearpixel), + GetGValue(Current->clearpixel), + GetBValue(Current->clearpixel)); + while(i < iSize){ + *lpdw = dwColor; + lpb += nBypp; + lpdw = (LPDWORD)lpb; + i++; + } + } + + i = 0; + if (stereo_flag) + lines = height /2; + else + lines = height; + do { + memcpy(lpb, Current->pbPixels, iSize*4); + lpb += Current->ScanWidth; + i++; + } + while (i<lines-1); + } + else { /* For single buffer */ + HDC DC=DD_GETDC; + HPEN Pen=CreatePen(PS_SOLID,1,Current->clearpixel); + HBRUSH Brush=CreateSolidBrush(Current->clearpixel); + HPEN Old_Pen=SelectObject(DC,Pen); + HBRUSH Old_Brush=SelectObject(DC,Brush); + Rectangle(DC,x,y,x+width,y+height); + SelectObject(DC,Old_Pen); + SelectObject(DC,Old_Brush); + DeleteObject(Pen); + DeleteObject(Brush); + DD_RELEASEDC; + } + + /* TODO need to check masks - see osmesa */ + mask &= ~DD_FRONT_LEFT_BIT; + if (mask) + _swrast_Clear( ctx, mask, all, x, y, width, height ); + } static void enable( GLcontext* ctx, GLenum pname, GLboolean enable ) { - if (!Current) - return; - - if (pname == GL_DITHER) { - if(enable == GL_FALSE){ - Current->dither_flag = GL_FALSE; - if(Current->cColorBits == 8) - Current->pixelformat = PF_INDEX8; - } - else{ - if (Current->rgb_flag && Current->cColorBits == 8){ - Current->pixelformat = PF_DITHER8; - Current->dither_flag = GL_TRUE; - } - else - Current->dither_flag = GL_FALSE; + if (!Current) + return; + + if (pname == GL_DITHER) { + if(enable == GL_FALSE){ + Current->dither_flag = GL_FALSE; + if(Current->cColorBits == 8) + Current->pixelformat = PF_INDEX8; + } + else{ + if (Current->rgb_flag && Current->cColorBits == 8){ + Current->pixelformat = PF_DITHER8; + Current->dither_flag = GL_TRUE; } - } + else + Current->dither_flag = GL_FALSE; + } + } } - - static GLboolean set_draw_buffer( GLcontext* ctx, GLenum mode ) { - STARTPROFILE - /* TODO: this could be better */ - if (mode==GL_FRONT_LEFT || mode==GL_BACK_LEFT) { - return GL_TRUE; - } - else { - return GL_FALSE; - } - ENDPROFILE(set_draw_buffer) + /* TODO: this could be better */ + if (mode==GL_FRONT_LEFT || mode==GL_BACK_LEFT) { + return GL_TRUE; + } + else { + return GL_FALSE; + } } static void set_read_buffer(GLcontext *ctx, GLframebuffer *colorBuffer, GLenum buffer ) { - /* XXX todo */ - return; + /* XXX todo */ + return; } @@ -538,44 +487,43 @@ static void set_read_buffer(GLcontext *ctx, GLframebuffer *colorBuffer, /* Return characteristics of the output buffer. */ static void buffer_size( GLcontext* ctx, GLuint *width, GLuint *height ) { - int New_Size; - RECT CR; - - STARTPROFILE - GetClientRect(Current->Window,&CR); - + int New_Size; + RECT CR; + + GetClientRect(Current->Window,&CR); + *width=CR.right; *height=CR.bottom; - + New_Size=((*width)!=Current->width) || ((*height)!=Current->height); - + if (New_Size){ - Current->width=*width; - Current->height=*height; - Current->ScanWidth=Current->width; - if ((Current->ScanWidth%sizeof(long))!=0) - Current->ScanWidth+=(sizeof(long)-(Current->ScanWidth%sizeof(long))); - - if (Current->db_flag){ + Current->width=*width; + Current->height=*height; + Current->ScanWidth=Current->width; + if ((Current->ScanWidth%sizeof(long))!=0) + Current->ScanWidth+=(sizeof(long)-(Current->ScanWidth%sizeof(long))); + + if (Current->db_flag){ #ifdef DDRAW - DDDeleteOffScreen(Current); - DDCreateOffScreen(Current); + DDDeleteOffScreen(Current); + DDCreateOffScreen(Current); #else - if (Current->rgb_flag==GL_TRUE && Current->dither_flag!=GL_TRUE){ - wmDeleteBackingStore(Current); - wmCreateBackingStore(Current, Current->width, Current->height); - } + if (Current->rgb_flag==GL_TRUE && Current->dither_flag!=GL_TRUE){ + wmDeleteBackingStore(Current); + wmCreateBackingStore(Current, Current->width, Current->height); + } #endif - } - - // Resize OsmesaBuffer if in Parallel mode + } + + /* Resize OsmesaBuffer if in Parallel mode */ #if !defined(NO_PARALLEL) - if(parallelFlag) - PRSizeRenderBuffer(Current->width, Current->height,Current->ScanWidth, - Current->rgb_flag == GL_TRUE ? Current->pbPixels: Current->ScreenMem); + if(parallelFlag) + PRSizeRenderBuffer(Current->width, Current->height,Current->ScanWidth, + Current->rgb_flag == GL_TRUE ? Current->pbPixels: + Current->ScreenMem); #endif } - ENDPROFILE(buffer_size) } @@ -584,128 +532,25 @@ static void buffer_size( GLcontext* ctx, GLuint *width, GLuint *height ) /***** Accelerated point, line, polygon rendering *****/ /**********************************************************************/ +/* Accelerated routines are not implemented in 4.0. See OSMesa for ideas. */ static void fast_rgb_points( GLcontext* ctx, GLuint first, GLuint last ) { -#if 0 - GLuint i; - // HDC DC=DD_GETDC; - PWMC pwc = Current; - - STARTPROFILE - - if (0 /*Current->gl_ctx->VB->MonoColor*/) { - /* all drawn with current color */ - for (i=first;i<=last;i++) { - if (!Current->gl_ctx->VB->ClipMask[i]) { - int x, y; - x = (GLint) Current->gl_ctx->VB->Win.data[i][0]; - y = FLIP( (GLint) Current->gl_ctx->VB->Win.data[i][1] ); - wmSetPixel(pwc, y,x,GetRValue(Current->pixel), - GetGValue(Current->pixel), GetBValue(Current->pixel)); - } - } - } - else { - /* draw points of different colors */ - for (i=first;i<=last;i++) { - if (!Current->gl_ctx->VB->ClipMask[i]) { - int x, y; - unsigned long pixel=RGB(Current->gl_ctx->VB->ColorPtr->data[i][0]*255.0, - Current->gl_ctx->VB->ColorPtr->data[i][1]*255.0, - Current->gl_ctx->VB->ColorPtr->data[i][2]*255.0); - x = (GLint) Current->gl_ctx->VB->Win.data[i][0]; - y = FLIP( (GLint) Current->gl_ctx->VB->Win.data[i][1] ); - wmSetPixel(pwc, y,x,Current->gl_ctx->VB->ColorPtr->data[i][0]*255.0, - Current->gl_ctx->VB->ColorPtr->data[i][1]*255.0, - Current->gl_ctx->VB->ColorPtr->data[i][2]*255.0); - } - } - } - // DD_RELEASEDC; - ENDPROFILE(fast_rgb_points) -#endif } - - -/* Return pointer to accerated points function */ -extern /*points_func*/ choose_points_function( GLcontext* ctx ) +/* Return pointer to accelerated points function */ +extern points_func choose_points_function( GLcontext* ctx ) { -#if 0 - STARTPROFILE - if (ctx->Point.Size==1.0 && !ctx->Point.SmoothFlag && ctx->_RasterMask==0 - && !ctx->Texture._ReallyEnabled && ctx->Visual->RGBAflag) { - ENDPROFILE(choose_points_function) - return fast_rgb_points; - } - else { - ENDPROFILE(choose_points_function) - return NULL; - } -#endif + return NULL; } - - -/* Draw a line using the color specified by Current->gl_ctx->VB->ColorPtr->data[pv] */ -static void fast_flat_rgb_line( GLcontext* ctx, GLuint v0, GLuint v1, GLuint pv ) +static void fast_flat_rgb_line( GLcontext* ctx, GLuint v0, + GLuint v1, GLuint pv ) { -#if 0 - STARTPROFILE - int x0, y0, x1, y1; - unsigned long pixel; - HDC DC=DD_GETDC; - HPEN Pen; - HPEN Old_Pen; - - if (0 /*Current->gl_ctx->VB->MonoColor*/) { - pixel = Current->pixel; /* use current color */ - } - else { - pixel = RGB(Current->gl_ctx->VB->ColorPtr->data[pv][0]*255.0, Current->gl_ctx->VB->ColorPtr->data[pv][1]*255.0, Current->gl_ctx->VB->ColorPtr->data[pv][2]*255.0); - } - - x0 = (int) Current->gl_ctx->VB->Win.data[v0][0]; - y0 = FLIP( (int) Current->gl_ctx->VB->Win.data[v0][1] ); - x1 = (int) Current->gl_ctx->VB->Win.data[v1][0]; - y1 = FLIP( (int) Current->gl_ctx->VB->Win.data[v1][1] ); - - - BEGINGDICALL - - Pen=CreatePen(PS_SOLID,1,pixel); - Old_Pen=SelectObject(DC,Pen); - MoveToEx(DC,x0,y0,NULL); - LineTo(DC,x1,y1); - SelectObject(DC,Old_Pen); - DeleteObject(Pen); - DD_RELEASEDC; - - ENDGDICALL - - ENDPROFILE(fast_flat_rgb_line) -#endif } - - -/* Return pointer to accerated line function */ -static /*line_func*/ choose_line_function( GLcontext* ctx ) +static line_func choose_line_function( GLcontext* ctx ) { -#if 0 - STARTPROFILE - if (ctx->Line.Width==1.0 && !ctx->Line.SmoothFlag && !ctx->Line.StippleFlag - && ctx->Light.ShadeModel==GL_FLAT && ctx->_RasterMask==0 - && !ctx->Texture._ReallyEnabled && Current->rgb_flag) { - ENDPROFILE(choose_line_function) - return fast_flat_rgb_line; - } - else { - ENDPROFILE(choose_line_function) - return NULL; - } -#endif } @@ -720,14 +565,12 @@ static void write_ci32_span( const GLcontext* ctx, const GLuint index[], const GLubyte mask[] ) { - STARTPROFILE - GLuint i; - PBYTE Mem=Current->ScreenMem+FLIP(y)*Current->ScanWidth+x; - assert(Current->rgb_flag==GL_FALSE); - for (i=0; i<n; i++) - if (mask[i]) - Mem[i]=index[i]; - ENDPROFILE(write_ci32_span) + GLuint i; + PBYTE Mem=Current->ScreenMem+FLIP(y)*Current->ScanWidth+x; + assert(Current->rgb_flag==GL_FALSE); + for (i=0; i<n; i++) + if (mask[i]) + Mem[i]=index[i]; } @@ -737,34 +580,30 @@ static void write_ci8_span( const GLcontext* ctx, const GLubyte index[], const GLubyte mask[] ) { - STARTPROFILE - GLuint i; - PBYTE Mem=Current->ScreenMem+FLIP(y)*Current->ScanWidth+x; - assert(Current->rgb_flag==GL_FALSE); - for (i=0; i<n; i++) - if (mask[i]) - Mem[i]=index[i]; - ENDPROFILE(write_ci8_span) + GLuint i; + PBYTE Mem=Current->ScreenMem+FLIP(y)*Current->ScanWidth+x; + assert(Current->rgb_flag==GL_FALSE); + for (i=0; i<n; i++) + if (mask[i]) + Mem[i]=index[i]; } /* -* Write a horizontal span of pixels with a boolean mask. The current -* color index is used for all pixels. -*/ + * Write a horizontal span of pixels with a boolean mask. The current + * color index is used for all pixels. + */ static void write_mono_ci_span(const GLcontext* ctx, GLuint n,GLint x,GLint y, GLuint colorIndex, const GLubyte mask[]) { - STARTPROFILE - GLuint i; - BYTE *Mem=Current->ScreenMem+FLIP(y)*Current->ScanWidth+x; - assert(Current->rgb_flag==GL_FALSE); - for (i=0; i<n; i++) - if (mask[i]) - Mem[i]=colorIndex; - ENDPROFILE(write_mono_ci_span) + GLuint i; + BYTE *Mem=Current->ScreenMem+FLIP(y)*Current->ScanWidth+x; + assert(Current->rgb_flag==GL_FALSE); + for (i=0; i<n; i++) + if (mask[i]) + Mem[i]=colorIndex; } /* @@ -776,42 +615,47 @@ static void write_mono_ci_span(const GLcontext* ctx, static void write_rgba_span( const GLcontext* ctx, GLuint n, GLint x, GLint y, const GLubyte rgba[][4], const GLubyte mask[] ) { - STARTPROFILE - PWMC pwc = Current; - - if (pwc->rgb_flag==GL_TRUE) + PWMC pwc = Current; + + if (pwc->rgb_flag==GL_TRUE) { - GLuint i; - HDC DC=DD_GETDC; - y=FLIP(y); - if (mask) { - for (i=0; i<n; i++) - if (mask[i]) - wmSetPixel(pwc, y, x + i, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]); - } - else { - for (i=0; i<n; i++) - wmSetPixel(pwc, y, x + i, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); - } - DD_RELEASEDC; + GLuint i; + HDC DC=DD_GETDC; + y=FLIP(y); + if (mask) { + for (i=0; i<n; i++) + if (mask[i]) + wmSetPixel(pwc, y, x + i, + rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]); + } + else { + for (i=0; i<n; i++) + wmSetPixel(pwc, y, x + i, + rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); + } + DD_RELEASEDC; } - else + else { - GLuint i; - BYTE *Mem=Current->ScreenMem+y*Current->ScanWidth+x; - y = FLIP(y); - if (mask) { - for (i=0; i<n; i++) - if (mask[i]) - Mem[i] = GetNearestPaletteIndex(Current->hPal,RGB(rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP])); - } - else { - for (i=0; i<n; i++) - Mem[i] = GetNearestPaletteIndex(Current->hPal,RGB(rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP])); - } + GLuint i; + BYTE *Mem=Current->ScreenMem+y*Current->ScanWidth+x; + y = FLIP(y); + if (mask) { + for (i=0; i<n; i++) + if (mask[i]) + Mem[i] = GetNearestPaletteIndex(Current->hPal, + RGB(rgba[i][RCOMP], + rgba[i][GCOMP], + rgba[i][BCOMP])); + } + else { + for (i=0; i<n; i++) + Mem[i] = GetNearestPaletteIndex(Current->hPal, + RGB(rgba[i][RCOMP], + rgba[i][GCOMP], + rgba[i][BCOMP])); + } } - ENDPROFILE(write_rgba_span) - } /* Write a horizontal span of RGB color pixels with a boolean mask. */ @@ -819,72 +663,74 @@ static void write_rgb_span( const GLcontext* ctx, GLuint n, GLint x, GLint y, const GLubyte rgb[][3], const GLubyte mask[] ) { - STARTPROFILE - PWMC pwc = Current; - - if (pwc->rgb_flag==GL_TRUE) + PWMC pwc = Current; + + if (pwc->rgb_flag==GL_TRUE) { - GLuint i; - HDC DC=DD_GETDC; - y=FLIP(y); - if (mask) { - for (i=0; i<n; i++) - if (mask[i]) - wmSetPixel(pwc, y, x + i, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]); - } - else { - for (i=0; i<n; i++) - wmSetPixel(pwc, y, x + i, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ); - } - DD_RELEASEDC; + GLuint i; + HDC DC=DD_GETDC; + y=FLIP(y); + if (mask) { + for (i=0; i<n; i++) + if (mask[i]) + wmSetPixel(pwc, y, x + i, + rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]); + } + else { + for (i=0; i<n; i++) + wmSetPixel(pwc, y, x + i, + rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ); + } + DD_RELEASEDC; } - else + else { - GLuint i; - BYTE *Mem=Current->ScreenMem+y*Current->ScanWidth+x; - y = FLIP(y); - if (mask) { - for (i=0; i<n; i++) - if (mask[i]) - Mem[i] = GetNearestPaletteIndex(Current->hPal,RGB(rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP])); - } - else { - for (i=0; i<n; i++) - Mem[i] = GetNearestPaletteIndex(Current->hPal,RGB(rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP])); - } + GLuint i; + BYTE *Mem=Current->ScreenMem+y*Current->ScanWidth+x; + y = FLIP(y); + if (mask) { + for (i=0; i<n; i++) + if (mask[i]) + Mem[i] = GetNearestPaletteIndex(Current->hPal, + RGB(rgb[i][RCOMP], + rgb[i][GCOMP], + rgb[i][BCOMP])); + } + else { + for (i=0; i<n; i++) + Mem[i] = GetNearestPaletteIndex(Current->hPal, + RGB(rgb[i][RCOMP], + rgb[i][GCOMP], + rgb[i][BCOMP])); + } } - ENDPROFILE(write_rgb_span) - } /* -* Write a horizontal span of pixels with a boolean mask. The current color -* is used for all pixels. -*/ + * Write a horizontal span of pixels with a boolean mask. The current color + * is used for all pixels. + */ static void write_mono_rgba_span( const GLcontext* ctx, GLuint n, GLint x, GLint y, const GLchan color[4], const GLubyte mask[]) { - ULONG pixel = RGB( color[RCOMP], color[GCOMP], color[BCOMP] ); - STARTPROFILE - GLuint i; - HDC DC=DD_GETDC; - PWMC pwc = Current; - assert(Current->rgb_flag==GL_TRUE); - y=FLIP(y); - if(Current->rgb_flag==GL_TRUE){ - for (i=0; i<n; i++) - if (mask[i]) - // Trying - wmSetPixel(pwc,y,x+i,color[RCOMP], color[GCOMP], color[BCOMP]); - } - else { - for (i=0; i<n; i++) - if (mask[i]) - SetPixel(DC, y, x+i, pixel); - } - DD_RELEASEDC; - ENDPROFILE(write_mono_rgba_span) + ULONG pixel = RGB( color[RCOMP], color[GCOMP], color[BCOMP] ); + GLuint i; + HDC DC=DD_GETDC; + PWMC pwc = Current; + assert(Current->rgb_flag==GL_TRUE); + y=FLIP(y); + if(Current->rgb_flag==GL_TRUE){ + for (i=0; i<n; i++) + if (mask[i]) + wmSetPixel(pwc,y,x+i,color[RCOMP], color[GCOMP], color[BCOMP]); + } + else { + for (i=0; i<n; i++) + if (mask[i]) + SetPixel(DC, y, x+i, pixel); + } + DD_RELEASEDC; } @@ -899,39 +745,35 @@ static void write_ci32_pixels( const GLcontext* ctx, GLuint n, const GLint x[], const GLint y[], const GLuint index[], const GLubyte mask[] ) { - STARTPROFILE - GLuint i; - assert(Current->rgb_flag==GL_FALSE); - for (i=0; i<n; i++) { - if (mask[i]) { - BYTE *Mem=Current->ScreenMem+FLIP(y[i])*Current->ScanWidth+x[i]; - *Mem = index[i]; - } - } - ENDPROFILE(write_ci32_pixels) + GLuint i; + assert(Current->rgb_flag==GL_FALSE); + for (i=0; i<n; i++) { + if (mask[i]) { + BYTE *Mem=Current->ScreenMem+FLIP(y[i])*Current->ScanWidth+x[i]; + *Mem = index[i]; + } + } } /* -* Write an array of pixels with a boolean mask. The current color -* index is used for all pixels. -*/ + * Write an array of pixels with a boolean mask. The current color + * index is used for all pixels. + */ static void write_mono_ci_pixels( const GLcontext* ctx, GLuint n, const GLint x[], const GLint y[], GLuint colorIndex, const GLubyte mask[] ) { - STARTPROFILE - GLuint i; - assert(Current->rgb_flag==GL_FALSE); - for (i=0; i<n; i++) { - if (mask[i]) { - BYTE *Mem=Current->ScreenMem+FLIP(y[i])*Current->ScanWidth+x[i]; - *Mem = colorIndex; - } - } - ENDPROFILE(write_mono_ci_pixels) + GLuint i; + assert(Current->rgb_flag==GL_FALSE); + for (i=0; i<n; i++) { + if (mask[i]) { + BYTE *Mem=Current->ScreenMem+FLIP(y[i])*Current->ScanWidth+x[i]; + *Mem = colorIndex; + } + } } @@ -941,42 +783,38 @@ static void write_rgba_pixels( const GLcontext* ctx, GLuint n, const GLint x[], const GLint y[], const GLubyte rgba[][4], const GLubyte mask[] ) { - STARTPROFILE - GLuint i; - PWMC pwc = Current; - HDC DC=DD_GETDC; - assert(Current->rgb_flag==GL_TRUE); - for (i=0; i<n; i++) - if (mask[i]) - wmSetPixel(pwc, FLIP(y[i]), x[i], - rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]); - DD_RELEASEDC; - ENDPROFILE(write_rgba_pixels) + GLuint i; + PWMC pwc = Current; + HDC DC=DD_GETDC; + assert(Current->rgb_flag==GL_TRUE); + for (i=0; i<n; i++) + if (mask[i]) + wmSetPixel(pwc, FLIP(y[i]), x[i], + rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]); + DD_RELEASEDC; } /* -* Write an array of pixels with a boolean mask. The current color -* is used for all pixels. -*/ + * Write an array of pixels with a boolean mask. The current color + * is used for all pixels. + */ static void write_mono_rgba_pixels( const GLcontext* ctx, GLuint n, const GLint x[], const GLint y[], const GLchan color[4], const GLubyte mask[] ) { - STARTPROFILE - GLuint i; - PWMC pwc = Current; - HDC DC=DD_GETDC; - assert(Current->rgb_flag==GL_TRUE); - for (i=0; i<n; i++) - if (mask[i]) - wmSetPixel(pwc, FLIP(y[i]),x[i],color[RCOMP], - color[GCOMP], color[BCOMP]); - DD_RELEASEDC; - ENDPROFILE(write_mono_rgba_pixels) + GLuint i; + PWMC pwc = Current; + HDC DC=DD_GETDC; + assert(Current->rgb_flag==GL_TRUE); + for (i=0; i<n; i++) + if (mask[i]) + wmSetPixel(pwc, FLIP(y[i]),x[i],color[RCOMP], + color[GCOMP], color[BCOMP]); + DD_RELEASEDC; } @@ -990,13 +828,11 @@ static void write_mono_rgba_pixels( const GLcontext* ctx, static void read_ci32_span( const GLcontext* ctx, GLuint n, GLint x, GLint y, GLuint index[]) { - STARTPROFILE - GLuint i; - BYTE *Mem=Current->ScreenMem+FLIP(y)*Current->ScanWidth+x; - assert(Current->rgb_flag==GL_FALSE); - for (i=0; i<n; i++) - index[i]=Mem[i]; - ENDPROFILE(read_ci32_span) + GLuint i; + BYTE *Mem=Current->ScreenMem+FLIP(y)*Current->ScanWidth+x; + assert(Current->rgb_flag==GL_FALSE); + for (i=0; i<n; i++) + index[i]=Mem[i]; } @@ -1007,15 +843,13 @@ static void read_ci32_pixels( const GLcontext* ctx, GLuint n, const GLint x[], const GLint y[], GLuint indx[], const GLubyte mask[] ) { - STARTPROFILE - GLuint i; - assert(Current->rgb_flag==GL_FALSE); - for (i=0; i<n; i++) { - if (mask[i]) { - indx[i]=*(Current->ScreenMem+FLIP(y[i])*Current->ScanWidth+x[i]); - } - } - ENDPROFILE(read_ci32_pixels) + GLuint i; + assert(Current->rgb_flag==GL_FALSE); + for (i=0; i<n; i++) { + if (mask[i]) { + indx[i]=*(Current->ScreenMem+FLIP(y[i])*Current->ScanWidth+x[i]); + } + } } @@ -1025,24 +859,19 @@ static void read_rgba_span( const GLcontext* ctx, GLuint n, GLint x, GLint y, GLubyte rgba[][4] ) { - STARTPROFILE - UINT i; - COLORREF Color; - HDC DC=DD_GETDC; - assert(Current->rgb_flag==GL_TRUE); - /* y=FLIP(y);*/ - y = Current->height - y - 1; - for (i=0; i<n; i++) { - Color=GetPixel(DC,x+i,y); - rgba[i][RCOMP] = GetRValue(Color); - rgba[i][GCOMP] = GetGValue(Color); - rgba[i][BCOMP] = GetBValue(Color); - rgba[i][ACOMP] = 255; - } - DD_RELEASEDC; -// Brian P. Has mentioned to comment this out. -// memset(alpha,0,n*sizeof(GLubyte)); - ENDPROFILE(read_rgba_span) + UINT i; + COLORREF Color; + HDC DC=DD_GETDC; + assert(Current->rgb_flag==GL_TRUE); + y = Current->height - y - 1; + for (i=0; i<n; i++) { + Color=GetPixel(DC,x+i,y); + rgba[i][RCOMP] = GetRValue(Color); + rgba[i][GCOMP] = GetGValue(Color); + rgba[i][BCOMP] = GetBValue(Color); + rgba[i][ACOMP] = 255; + } + DD_RELEASEDC; } @@ -1051,25 +880,21 @@ static void read_rgba_pixels( const GLcontext* ctx, GLuint n, const GLint x[], const GLint y[], GLubyte rgba[][4], const GLubyte mask[] ) { - STARTPROFILE - GLuint i; - COLORREF Color; - HDC DC=DD_GETDC; - assert(Current->rgb_flag==GL_TRUE); - for (i=0; i<n; i++) { - if (mask[i]) { - GLint y2 = Current->height - y[i] - 1; - Color=GetPixel(DC,x[i],y2); - rgba[i][RCOMP] = GetRValue(Color); - rgba[i][GCOMP] = GetGValue(Color); - rgba[i][BCOMP] = GetBValue(Color); - rgba[i][ACOMP] = 255; - } - } - DD_RELEASEDC; -// Brian P. has mentioned to comment this out. -// memset(alpha,0,n*sizeof(GLint)); - ENDPROFILE(read_rgba_pixels) + GLuint i; + COLORREF Color; + HDC DC=DD_GETDC; + assert(Current->rgb_flag==GL_TRUE); + for (i=0; i<n; i++) { + if (mask[i]) { + GLint y2 = Current->height - y[i] - 1; + Color=GetPixel(DC,x[i],y2); + rgba[i][RCOMP] = GetRValue(Color); + rgba[i][GCOMP] = GetGValue(Color); + rgba[i][BCOMP] = GetBValue(Color); + rgba[i][ACOMP] = 255; + } + } + DD_RELEASEDC; } @@ -1080,59 +905,101 @@ static void read_rgba_pixels( const GLcontext* ctx, static const GLubyte *get_string(GLcontext *ctx, GLenum name) { - if (name == GL_RENDERER) { - return (GLubyte *) "Mesa Windows"; - } - else { - return NULL; - } + if (name == GL_RENDERER) { + return (GLubyte *) "Mesa Windows"; + } + else { + return NULL; + } } - - -void setup_DD_pointers( GLcontext* ctx ) +static void wmesa_update_state( GLcontext *ctx, GLuint new_state ) { -#if 0 - ctx->Driver.GetString = get_string; - ctx->Driver.UpdateState = setup_DD_pointers; - ctx->Driver.GetBufferSize = buffer_size; - ctx->Driver.Finish = finish; - ctx->Driver.Flush = flush; - - ctx->Driver.ClearIndex = clear_index; - ctx->Driver.ClearColor = clear_color; - ctx->Driver.Clear = clear; - - ctx->Driver.Enable = enable; - - ctx->Driver.SetDrawBuffer = set_draw_buffer; - ctx->Driver.SetReadBuffer = set_read_buffer; - ctx->Driver.GetBufferSize = buffer_size; - - ctx->Driver.PointsFunc = choose_points_function(ctx); - ctx->Driver.LineFunc = choose_line_function(ctx); - ctx->Driver.TriangleFunc = choose_triangle_function( ctx ); - - /* Pixel/span writing functions: */ - ctx->Driver.WriteRGBASpan = write_rgba_span; - ctx->Driver.WriteRGBSpan = write_rgb_span; - ctx->Driver.WriteMonoRGBASpan = write_mono_rgba_span; - ctx->Driver.WriteRGBAPixels = write_rgba_pixels; - ctx->Driver.WriteMonoRGBAPixels = write_mono_rgba_pixels; - ctx->Driver.WriteCI32Span = write_ci32_span; - ctx->Driver.WriteCI8Span = write_ci8_span; - ctx->Driver.WriteMonoCISpan = write_mono_ci_span; - ctx->Driver.WriteCI32Pixels = write_ci32_pixels; - ctx->Driver.WriteMonoCIPixels = write_mono_ci_pixels; - - ctx->Driver.ReadCI32Span = read_ci32_span; - ctx->Driver.ReadRGBASpan = read_rgba_span; - ctx->Driver.ReadCI32Pixels = read_ci32_pixels; - ctx->Driver.ReadRGBAPixels = read_rgba_pixels; -#endif + struct swrast_device_driver *swdd = _swrast_GetDeviceDriverReference( ctx ); + TNLcontext *tnl = TNL_CONTEXT(ctx); + + /* + * XXX these function pointers could be initialized just once during + * context creation since they don't depend on any state changes. + * kws - This is true - this function gets called a lot and it + * would be good to minimize setting all this when not needed. + */ + + ctx->Driver.GetString = get_string; + ctx->Driver.UpdateState = wmesa_update_state; + ctx->Driver.SetDrawBuffer = set_draw_buffer; + ctx->Driver.ResizeBuffersMESA = _swrast_alloc_buffers; + ctx->Driver.GetBufferSize = buffer_size; + + ctx->Driver.Accum = _swrast_Accum; + ctx->Driver.Bitmap = _swrast_Bitmap; + ctx->Driver.Clear = clear; + + ctx->Driver.Flush = flush; + ctx->Driver.ClearIndex = clear_index; + ctx->Driver.ClearColor = clear_color; + ctx->Driver.Enable = enable; + + ctx->Driver.CopyPixels = _swrast_CopyPixels; + ctx->Driver.DrawPixels = _swrast_DrawPixels; + ctx->Driver.ReadPixels = _swrast_ReadPixels; + + ctx->Driver.ChooseTextureFormat = _mesa_choose_tex_format; + ctx->Driver.TexImage1D = _mesa_store_teximage1d; + ctx->Driver.TexImage2D = _mesa_store_teximage2d; + ctx->Driver.TexImage3D = _mesa_store_teximage3d; + ctx->Driver.TexSubImage1D = _mesa_store_texsubimage1d; + ctx->Driver.TexSubImage2D = _mesa_store_texsubimage2d; + ctx->Driver.TexSubImage3D = _mesa_store_texsubimage3d; + ctx->Driver.TestProxyTexImage = _mesa_test_proxy_teximage; + + ctx->Driver.CopyTexImage1D = _swrast_copy_teximage1d; + ctx->Driver.CopyTexImage2D = _swrast_copy_teximage2d; + ctx->Driver.CopyTexSubImage1D = _swrast_copy_texsubimage1d; + ctx->Driver.CopyTexSubImage2D = _swrast_copy_texsubimage2d; + ctx->Driver.CopyTexSubImage3D = _swrast_copy_texsubimage3d; + ctx->Driver.CopyColorTable = _swrast_CopyColorTable; + ctx->Driver.CopyColorSubTable = _swrast_CopyColorSubTable; + ctx->Driver.CopyConvolutionFilter1D = _swrast_CopyConvolutionFilter1D; + ctx->Driver.CopyConvolutionFilter2D = _swrast_CopyConvolutionFilter2D; + + ctx->Driver.BaseCompressedTexFormat = _mesa_base_compressed_texformat; + ctx->Driver.CompressedTextureSize = _mesa_compressed_texture_size; + ctx->Driver.GetCompressedTexImage = _mesa_get_compressed_teximage; + + + swdd->SetReadBuffer = set_read_buffer; + + + /* Pixel/span writing functions: */ + swdd->WriteRGBASpan = write_rgba_span; + swdd->WriteRGBSpan = write_rgb_span; + swdd->WriteMonoRGBASpan = write_mono_rgba_span; + swdd->WriteRGBAPixels = write_rgba_pixels; + swdd->WriteMonoRGBAPixels = write_mono_rgba_pixels; + swdd->WriteCI32Span = write_ci32_span; + swdd->WriteCI8Span = write_ci8_span; + swdd->WriteMonoCISpan = write_mono_ci_span; + swdd->WriteCI32Pixels = write_ci32_pixels; + swdd->WriteMonoCIPixels = write_mono_ci_pixels; + + swdd->ReadCI32Span = read_ci32_span; + swdd->ReadRGBASpan = read_rgba_span; + swdd->ReadCI32Pixels = read_ci32_pixels; + swdd->ReadRGBAPixels = read_rgba_pixels; + + + tnl->Driver.RunPipeline = _tnl_run_pipeline; + + _swrast_InvalidateState( ctx, new_state ); + _swsetup_InvalidateState( ctx, new_state ); + _ac_InvalidateState( ctx, new_state ); + _tnl_InvalidateState( ctx, new_state ); } + + /**********************************************************************/ /***** WMesa API Functions *****/ /**********************************************************************/ @@ -1142,951 +1009,955 @@ void setup_DD_pointers( GLcontext* ctx ) #define PAL_SIZE 256 static void GetPalette(HPALETTE Pal,RGBQUAD *aRGB) { - STARTPROFILE - int i; - HDC hdc; - struct - { - WORD Version; - WORD NumberOfEntries; - PALETTEENTRY aEntries[PAL_SIZE]; - } Palette = + int i; + HDC hdc; + struct + { + WORD Version; + WORD NumberOfEntries; + PALETTEENTRY aEntries[PAL_SIZE]; + } Palette = { - 0x300, - PAL_SIZE + 0x300, + PAL_SIZE }; - hdc=GetDC(NULL); - if (Pal!=NULL) - GetPaletteEntries(Pal,0,PAL_SIZE,Palette.aEntries); - else - GetSystemPaletteEntries(hdc,0,PAL_SIZE,Palette.aEntries); - if (GetSystemPaletteUse(hdc) == SYSPAL_NOSTATIC) + hdc=GetDC(NULL); + if (Pal!=NULL) + GetPaletteEntries(Pal,0,PAL_SIZE,Palette.aEntries); + else + GetSystemPaletteEntries(hdc,0,PAL_SIZE,Palette.aEntries); + if (GetSystemPaletteUse(hdc) == SYSPAL_NOSTATIC) { - for(i = 0; i <PAL_SIZE; i++) - Palette.aEntries[i].peFlags = PC_RESERVED; - Palette.aEntries[255].peRed = 255; - Palette.aEntries[255].peGreen = 255; - Palette.aEntries[255].peBlue = 255; - Palette.aEntries[255].peFlags = 0; - Palette.aEntries[0].peRed = 0; - Palette.aEntries[0].peGreen = 0; - Palette.aEntries[0].peBlue = 0; - Palette.aEntries[0].peFlags = 0; - } - else + for(i = 0; i <PAL_SIZE; i++) + Palette.aEntries[i].peFlags = PC_RESERVED; + Palette.aEntries[255].peRed = 255; + Palette.aEntries[255].peGreen = 255; + Palette.aEntries[255].peBlue = 255; + Palette.aEntries[255].peFlags = 0; + Palette.aEntries[0].peRed = 0; + Palette.aEntries[0].peGreen = 0; + Palette.aEntries[0].peBlue = 0; + Palette.aEntries[0].peFlags = 0; + } + else { - int nStaticColors; - int nUsableColors; - nStaticColors = GetDeviceCaps(hdc, NUMCOLORS)/2; - for (i=0; i<nStaticColors; i++) - Palette.aEntries[i].peFlags = 0; - nUsableColors = PAL_SIZE-nStaticColors; - for (; i<nUsableColors; i++) - Palette.aEntries[i].peFlags = PC_RESERVED; - for (; i<PAL_SIZE-nStaticColors; i++) - Palette.aEntries[i].peFlags = PC_RESERVED; - for (i=PAL_SIZE-nStaticColors; i<PAL_SIZE; i++) - Palette.aEntries[i].peFlags = 0; - } - ReleaseDC(NULL,hdc); - for (i=0; i<PAL_SIZE; i++) + int nStaticColors; + int nUsableColors; + nStaticColors = GetDeviceCaps(hdc, NUMCOLORS)/2; + for (i=0; i<nStaticColors; i++) + Palette.aEntries[i].peFlags = 0; + nUsableColors = PAL_SIZE-nStaticColors; + for (; i<nUsableColors; i++) + Palette.aEntries[i].peFlags = PC_RESERVED; + for (; i<PAL_SIZE-nStaticColors; i++) + Palette.aEntries[i].peFlags = PC_RESERVED; + for (i=PAL_SIZE-nStaticColors; i<PAL_SIZE; i++) + Palette.aEntries[i].peFlags = 0; + } + ReleaseDC(NULL,hdc); + for (i=0; i<PAL_SIZE; i++) { - aRGB[i].rgbRed=Palette.aEntries[i].peRed; - aRGB[i].rgbGreen=Palette.aEntries[i].peGreen; - aRGB[i].rgbBlue=Palette.aEntries[i].peBlue; - aRGB[i].rgbReserved=Palette.aEntries[i].peFlags; + aRGB[i].rgbRed=Palette.aEntries[i].peRed; + aRGB[i].rgbGreen=Palette.aEntries[i].peGreen; + aRGB[i].rgbBlue=Palette.aEntries[i].peBlue; + aRGB[i].rgbReserved=Palette.aEntries[i].peFlags; } - ENDPROFILE(GetPalette) } WMesaContext WMesaCreateContext( HWND hWnd, HPALETTE* Pal, - GLboolean rgb_flag, - GLboolean db_flag ) -{ - RECT CR; - WMesaContext c; - GLboolean true_color_flag; - c = (struct wmesa_context * ) calloc(1,sizeof(struct wmesa_context)); - if (!c) - return NULL; - - c->Window=hWnd; - c->hDC = GetDC(hWnd); - true_color_flag = GetDeviceCaps(c->hDC, BITSPIXEL) > 8; + GLboolean rgb_flag, + GLboolean db_flag ) +{ + RECT CR; + WMesaContext c; + GLboolean true_color_flag; + c = (struct wmesa_context * ) calloc(1,sizeof(struct wmesa_context)); + if (!c) + return NULL; + + c->Window=hWnd; + c->hDC = GetDC(hWnd); + true_color_flag = GetDeviceCaps(c->hDC, BITSPIXEL) > 8; #ifdef DDRAW - if(true_color_flag) c->rgb_flag = rgb_flag = GL_TRUE; + if(true_color_flag) c->rgb_flag = rgb_flag = GL_TRUE; #endif - - + + #ifdef DITHER - if ((true_color_flag==GL_FALSE) && (rgb_flag == GL_TRUE)){ - c->dither_flag = GL_TRUE; - c->hPalHalfTone = WinGCreateHalftonePalette(); - } - else - c->dither_flag = GL_FALSE; -#else + if ((true_color_flag==GL_FALSE) && (rgb_flag == GL_TRUE)){ + c->dither_flag = GL_TRUE; + c->hPalHalfTone = WinGCreateHalftonePalette(); + } + else c->dither_flag = GL_FALSE; +#else + c->dither_flag = GL_FALSE; #endif - - - if (rgb_flag==GL_FALSE) + + + if (rgb_flag==GL_FALSE) { - c->rgb_flag = GL_FALSE; - // c->pixel = 1; - c->db_flag = db_flag =GL_TRUE; // WinG requires double buffering - printf("Single buffer is not supported in color index mode, setting to double buffer.\n"); + c->rgb_flag = GL_FALSE; +#if 0 + /* Old WinG stuff???? */ + c->db_flag = db_flag =GL_TRUE; /* WinG requires double buffering */ + printf("Single buffer is not supported in color index mode, ", + "setting to double buffer.\n"); +#endif } - else + else { - c->rgb_flag = GL_TRUE; - // c->pixel = 0; + c->rgb_flag = GL_TRUE; } - GetClientRect(c->Window,&CR); - c->width=CR.right; - c->height=CR.bottom; - if (db_flag) + GetClientRect(c->Window,&CR); + c->width=CR.right; + c->height=CR.bottom; + if (db_flag) { - c->db_flag = 1; - /* Double buffered */ + c->db_flag = 1; + /* Double buffered */ #ifndef DDRAW - // if (c->rgb_flag==GL_TRUE && c->dither_flag != GL_TRUE ) - { - wmCreateBackingStore(c, c->width, c->height); - - } + { + wmCreateBackingStore(c, c->width, c->height); + + } #endif } - else + else { - /* Single Buffered */ - if (c->rgb_flag) - c->db_flag = 0; + /* Single Buffered */ + if (c->rgb_flag) + c->db_flag = 0; } #ifdef DDRAW - if (DDInit(c,hWnd) == GL_FALSE) { - free( (void *) c ); - exit(1); - } -#endif - - - c->gl_visual = _mesa_create_visual(rgb_flag, - db_flag, /* db_flag */ - GL_FALSE, /* stereo */ - 8,8,8,8, /* r, g, b, a bits */ - 0, /* index bits */ - 16, /* depth_bits */ - 8, /* stencil_bits */ - 16,16,16,16,/* accum_bits */ - 1); - - if (!c->gl_visual) { - return NULL; - } - - /* allocate a new Mesa context */ - c->gl_ctx = _mesa_create_context( c->gl_visual, NULL, c, GL_TRUE); - - if (!c->gl_ctx) { - _mesa_destroy_visual( c->gl_visual ); - free(c); - return NULL; - } - - _mesa_enable_sw_extensions(c->gl_ctx); -#if 0 - c->gl_buffer = _mesa_create_framebuffer( c->gl_visual, - c->gl_visual->DepthBits > 0, - c->gl_visual->StencilBits > 0, - c->gl_visual->AccumRedBits > 0, - c->gl_visual->AlphaBits > 0 ); + if (DDInit(c,hWnd) == GL_FALSE) { + free( (void *) c ); + exit(1); + } #endif - c->gl_buffer = NULL; /* TEMP */ - if (!c->gl_buffer) { - _mesa_destroy_visual( c->gl_visual ); - _mesa_destroy_context( c->gl_ctx ); - free(c); - return NULL; - } - - // c->gl_ctx->Driver.UpdateState = setup_DD_pointers; - - // setup_DD_pointers(c->gl_ctx); - - return c; + + + c->gl_visual = _mesa_create_visual(rgb_flag, + db_flag, /* db_flag */ + GL_FALSE, /* stereo */ + 8,8,8,8, /* r, g, b, a bits */ + 0, /* index bits */ + 16, /* depth_bits */ + 8, /* stencil_bits */ + 16,16,16,16,/* accum_bits */ + 1); + + if (!c->gl_visual) { + return NULL; + } + + /* allocate a new Mesa context */ + c->gl_ctx = _mesa_create_context( c->gl_visual, NULL, c, GL_TRUE); + + if (!c->gl_ctx) { + _mesa_destroy_visual( c->gl_visual ); + free(c); + return NULL; + } + + if (!_mesa_initialize_context(c->gl_ctx, + c->gl_visual, + (GLcontext *) NULL, + (void *) c, GL_TRUE )) { + _mesa_destroy_visual( c->gl_visual ); + free(c); + return NULL; + } + + + _mesa_enable_sw_extensions(c->gl_ctx); + _mesa_enable_1_3_extensions(c->gl_ctx); + + c->gl_buffer = _mesa_create_framebuffer( c->gl_visual, + c->gl_visual->depthBits > 0, + c->gl_visual->stencilBits > 0, + c->gl_visual->accumRedBits > 0, + GL_FALSE /* s/w alpha */ ); + if (!c->gl_buffer) { + _mesa_destroy_visual( c->gl_visual ); + _mesa_free_context_data( c->gl_ctx ); + free(c); + return NULL; + } + + /* Initialize the software rasterizer and helper modules. + */ + { + GLcontext *ctx = c->gl_ctx; + + _swrast_CreateContext( ctx ); + _ac_CreateContext( ctx ); + _tnl_CreateContext( ctx ); + _swsetup_CreateContext( ctx ); + + _swsetup_Wakeup( ctx ); + } + return c; } void WMesaDestroyContext( void ) { - WMesaContext c = Current; - ReleaseDC(c->Window,c->hDC); - WC = c; - if(c->hPalHalfTone != NULL) - DeleteObject(c->hPalHalfTone); - _mesa_destroy_visual( c->gl_visual ); - _mesa_destroy_framebuffer( c->gl_buffer ); - _mesa_destroy_context( c->gl_ctx ); - - if (c->db_flag) + WMesaContext c = Current; + ReleaseDC(c->Window,c->hDC); + WC = c; + if(c->hPalHalfTone != NULL) + DeleteObject(c->hPalHalfTone); + + _swsetup_DestroyContext( c->gl_ctx ); + _tnl_DestroyContext( c->gl_ctx ); + _ac_DestroyContext( c->gl_ctx ); + _swrast_DestroyContext( c->gl_ctx ); + + _mesa_destroy_visual( c->gl_visual ); + _mesa_destroy_framebuffer( c->gl_buffer ); + _mesa_free_context_data( c->gl_ctx ); + + if (c->db_flag) #ifdef DDRAW - DDFree(c); + DDFree(c); #else - wmDeleteBackingStore(c); + wmDeleteBackingStore(c); #endif - free( (void *) c ); - //Following code is added to enable parallel render - // Parallel render only work in double buffer mode + free( (void *) c ); #if !defined(NO_PARALLEL) - if(parallelMachine) - PRDestroyRenderBuffer(); + if(parallelMachine) + PRDestroyRenderBuffer(); #endif - // End modification } - -void /*APIENTRY*/ WMesaMakeCurrent( WMesaContext c ) +void WMesaMakeCurrent( WMesaContext c ) { - if(!c){ - Current = c; - return; - } - - // - // A little optimization - // If it already is current, - // don't set it again - // - if(Current == c) - return; - - //gl_set_context( c->gl_ctx ); - _mesa_make_current(c->gl_ctx, c->gl_buffer); - setup_DD_pointers(c->gl_ctx); + if(!c){ Current = c; - if (Current->gl_ctx->Viewport.Width==0) { - /* initialize viewport to window size */ - _mesa_set_viewport( Current->gl_ctx, - 0, 0, Current->width, Current->height ); - } - if ((c->cColorBits <= 8 ) && (c->rgb_flag == GL_TRUE)){ - WMesaPaletteChange(c->hPalHalfTone); - } + return; + } + + if(Current == c) + return; + + wmesa_update_state(c->gl_ctx, 0); + _mesa_make_current(c->gl_ctx, c->gl_buffer); + Current = c; + if (Current->gl_ctx->Viewport.Width==0) { + /* initialize viewport to window size */ + _mesa_Viewport( 0, 0, Current->width, Current->height ); + Current->gl_ctx->Scissor.Width = Current->width; + Current->gl_ctx->Scissor.Height = Current->height; + } + if ((c->cColorBits <= 8 ) && (c->rgb_flag == GL_TRUE)){ + WMesaPaletteChange(c->hPalHalfTone); + } } -void /*APIENTRY*/ WMesaSwapBuffers( void ) +void WMesaSwapBuffers( void ) { - HDC DC = Current->hDC; - GET_CURRENT_CONTEXT(ctx); - - /* If we're swapping the buffer associated with the current context - * we have to flush any pending rendering commands first. - */ - if (Current && Current->gl_ctx == ctx) - _mesa_swapbuffers(ctx); - - if (Current->db_flag) - wmFlush(Current); + HDC DC = Current->hDC; + GET_CURRENT_CONTEXT(ctx); + + /* If we're swapping the buffer associated with the current context + * we have to flush any pending rendering commands first. + */ + if (Current && Current->gl_ctx == ctx) + _mesa_swapbuffers(ctx); + + if (Current->db_flag) + wmFlush(Current); } -void /*APIENTRY*/ WMesaPaletteChange(HPALETTE Pal) +void WMesaPaletteChange(HPALETTE Pal) { - int vRet; - LPPALETTEENTRY pPal; - if (Current && (Current->rgb_flag==GL_FALSE || Current->dither_flag == GL_TRUE)) + int vRet; + LPPALETTEENTRY pPal; + if (Current && (Current->rgb_flag==GL_FALSE || + Current->dither_flag == GL_TRUE)) { - pPal = (PALETTEENTRY *)malloc( 256 * sizeof(PALETTEENTRY)); - Current->hPal=Pal; - // GetPaletteEntries( Pal, 0, 256, pPal ); - GetPalette( Pal, pPal ); + pPal = (PALETTEENTRY *)malloc( 256 * sizeof(PALETTEENTRY)); + Current->hPal=Pal; + GetPaletteEntries( Pal, 0, 256, pPal ); #ifdef DDRAW - Current->lpDD->lpVtbl->CreatePalette(Current->lpDD,DDPCAPS_8BIT, - pPal, &(Current->lpDDPal), NULL); - if (Current->lpDDPal) - Current->lpDDSPrimary->lpVtbl->SetPalette(Current->lpDDSPrimary,Current->lpDDPal); + Current->lpDD->lpVtbl->CreatePalette(Current->lpDD,DDPCAPS_8BIT, + pPal, &(Current->lpDDPal), NULL); + if (Current->lpDDPal) + Current->lpDDSPrimary->lpVtbl->SetPalette(Current->lpDDSPrimary, + Current->lpDDPal); #else - vRet = SetDIBColorTable(Current->dib.hDC,0,256,pPal); + vRet = SetDIBColorTable(Current->dib.hDC, 0, 256, (RGBQUAD*)pPal); #endif - free( pPal ); + free( pPal ); } - } static unsigned char threeto8[8] = { - 0, 0111>>1, 0222>>1, 0333>>1, 0444>>1, 0555>>1, 0666>>1, 0377 + 0, 0111>>1, 0222>>1, 0333>>1, 0444>>1, 0555>>1, 0666>>1, 0377 }; static unsigned char twoto8[4] = { - 0, 0x55, 0xaa, 0xff + 0, 0x55, 0xaa, 0xff }; static unsigned char oneto8[2] = { - 0, 255 + 0, 255 }; static unsigned char componentFromIndex(UCHAR i, UINT nbits, UINT shift) { - unsigned char val; - - val = i >> shift; - switch (nbits) { - - case 1: - val &= 0x1; - return oneto8[val]; - - case 2: - val &= 0x3; - return twoto8[val]; - - case 3: - val &= 0x7; - return threeto8[val]; - - default: - return 0; - } -} - -void /*WINAPI*/ wmCreatePalette( PWMC pwdc ) -{ - /* Create a compressed and re-expanded 3:3:2 palette */ - int i; - LOGPALETTE *pPal; - BYTE rb, rs, gb, gs, bb, bs; - - pwdc->nColors = 0x100; - - pPal = (PLOGPALETTE)malloc(sizeof(LOGPALETTE) + pwdc->nColors * sizeof(PALETTEENTRY)); - memset( pPal, 0, sizeof(LOGPALETTE) + pwdc->nColors * sizeof(PALETTEENTRY) ); - - pPal->palVersion = 0x300; - - rb = REDBITS; - rs = REDSHIFT; - gb = GREENBITS; - gs = GREENSHIFT; - bb = BLUEBITS; - bs = BLUESHIFT; - - if (pwdc->db_flag) { - - /* Need to make two palettes: one for the screen DC and one for the DIB. */ - pPal->palNumEntries = pwdc->nColors; - for (i = 0; i < pwdc->nColors; i++) { - pPal->palPalEntry[i].peRed = componentFromIndex( i, rb, rs ); - pPal->palPalEntry[i].peGreen = componentFromIndex( i, gb, gs ); - pPal->palPalEntry[i].peBlue = componentFromIndex( i, bb, bs ); - pPal->palPalEntry[i].peFlags = 0; - } - pwdc->hGLPalette = CreatePalette( pPal ); - pwdc->hPalette = CreatePalette( pPal ); - } - - else { - pPal->palNumEntries = pwdc->nColors; - for (i = 0; i < pwdc->nColors; i++) { - pPal->palPalEntry[i].peRed = componentFromIndex( i, rb, rs ); - pPal->palPalEntry[i].peGreen = componentFromIndex( i, gb, gs ); - pPal->palPalEntry[i].peBlue = componentFromIndex( i, bb, bs ); - pPal->palPalEntry[i].peFlags = 0; - } - pwdc->hGLPalette = CreatePalette( pPal ); - } - - free(pPal); - -} - -void /*WINAPI*/ wmSetPixel(PWMC pwc, int iScanLine, int iPixel, BYTE r, BYTE g, BYTE b) -{ - if (Current->db_flag) { - LPBYTE lpb = pwc->pbPixels; - LPDWORD lpdw; - LPWORD lpw; - UINT nBypp = pwc->cColorBits >> 3; - UINT nOffset = iPixel % nBypp; - - // Move the pixel buffer pointer to the scanline that we - // want to access - - // pwc->dib.fFlushed = FALSE; - - lpb += pwc->ScanWidth * iScanLine; - // Now move to the desired pixel - lpb += iPixel * nBypp; - lpb = PIXELADDR(iPixel, iScanLine); - lpdw = (LPDWORD)lpb; - lpw = (LPWORD)lpb; - - if(nBypp == 1){ - if(pwc->dither_flag) - *lpb = DITHER_RGB_2_8BIT(r,g,b,iScanLine,iPixel); - else - *lpb = BGR8(r,g,b); - } - else if(nBypp == 2) - *lpw = BGR16(r,g,b); - else if (nBypp == 3){ - *lpdw = BGR24(r,g,b); - } - else if (nBypp == 4) - *lpdw = BGR32(r,g,b); - } - else{ - SetPixel(Current->hDC, iPixel, iScanLine, RGB(r,g,b)); - DD_RELEASEDC; - } -} - -void /*WINAPI*/ wmCreateDIBSection( - HDC hDC, - PWMC pwc, // handle of device context - CONST BITMAPINFO *pbmi, // address of structure containing bitmap size, format, and color data - UINT iUsage // color data type indicator: RGB values or palette indices - ) -{ - DWORD dwSize = 0; - DWORD dwScanWidth; - UINT nBypp = pwc->cColorBits / 8; - HDC hic; - - dwScanWidth = (((pwc->ScanWidth * nBypp)+ 3) & ~3); - - pwc->ScanWidth =pwc->pitch = dwScanWidth; - - if (stereo_flag) - pwc->ScanWidth = 2* pwc->pitch; - - dwSize = sizeof(BITMAPINFO) + (dwScanWidth * pwc->height); - - pwc->dib.hFileMap = CreateFileMapping((HANDLE)PAGE_FILE, - NULL, - PAGE_READWRITE | SEC_COMMIT, - 0, - dwSize, - NULL); - - if (!pwc->dib.hFileMap) - return; - - pwc->dib.base = MapViewOfFile(pwc->dib.hFileMap, - FILE_MAP_ALL_ACCESS, - 0, - 0, - 0); - - if(!pwc->dib.base){ - CloseHandle(pwc->dib.hFileMap); - return; - } - - // pwc->pbPixels = pwc->addrOffScreen = ((LPBYTE)pwc->dib.base) + sizeof(BITMAPINFO); - - // pwc->dib.hDC = CreateCompatibleDC(hDC); - - CopyMemory(pwc->dib.base, pbmi, sizeof(BITMAPINFO)); - - hic = CreateIC("display", NULL, NULL, NULL); - pwc->dib.hDC = CreateCompatibleDC(hic); - - - /* pwc->hbmDIB = CreateDIBitmap(hic, - &(pwc->bmi.bmiHeader), - CBM_INIT, - pwc->pbPixels, - &(pwc->bmi), - DIB_RGB_COLORS); - */ - pwc->hbmDIB = CreateDIBSection(hic, - &(pwc->bmi), - (iUsage ? DIB_PAL_COLORS : DIB_RGB_COLORS), - &(pwc->pbPixels), - pwc->dib.hFileMap, - 0); - /* - pwc->hbmDIB = CreateDIBSection(hic, - &(pwc->bmi), - DIB_RGB_COLORS, - &(pwc->pbPixels), - pwc->dib.hFileMap, - 0); - */ - pwc->ScreenMem = pwc->addrOffScreen = pwc->pbPixels; - pwc->hOldBitmap = SelectObject(pwc->dib.hDC, pwc->hbmDIB); - - DeleteDC(hic); - + unsigned char val; + + val = i >> shift; + switch (nbits) { + + case 1: + val &= 0x1; + return oneto8[val]; + + case 2: + val &= 0x3; + return twoto8[val]; + + case 3: + val &= 0x7; + return threeto8[val]; + + default: + return 0; + } +} + +void wmCreatePalette( PWMC pwdc ) +{ + /* Create a compressed and re-expanded 3:3:2 palette */ + int i; + LOGPALETTE *pPal; + BYTE rb, rs, gb, gs, bb, bs; + + pwdc->nColors = 0x100; + + pPal = (PLOGPALETTE)malloc(sizeof(LOGPALETTE) + + pwdc->nColors * sizeof(PALETTEENTRY)); + memset( pPal, 0, sizeof(LOGPALETTE) + pwdc->nColors * sizeof(PALETTEENTRY) ); + + pPal->palVersion = 0x300; + + rb = REDBITS; + rs = REDSHIFT; + gb = GREENBITS; + gs = GREENSHIFT; + bb = BLUEBITS; + bs = BLUESHIFT; + + if (pwdc->db_flag) { + + /* Need to make two palettes: one for the screen DC and one for the DIB. */ + pPal->palNumEntries = pwdc->nColors; + for (i = 0; i < pwdc->nColors; i++) { + pPal->palPalEntry[i].peRed = componentFromIndex( i, rb, rs ); + pPal->palPalEntry[i].peGreen = componentFromIndex( i, gb, gs ); + pPal->palPalEntry[i].peBlue = componentFromIndex( i, bb, bs ); + pPal->palPalEntry[i].peFlags = 0; + } + pwdc->hGLPalette = CreatePalette( pPal ); + pwdc->hPalette = CreatePalette( pPal ); + } + + else { + pPal->palNumEntries = pwdc->nColors; + for (i = 0; i < pwdc->nColors; i++) { + pPal->palPalEntry[i].peRed = componentFromIndex( i, rb, rs ); + pPal->palPalEntry[i].peGreen = componentFromIndex( i, gb, gs ); + pPal->palPalEntry[i].peBlue = componentFromIndex( i, bb, bs ); + pPal->palPalEntry[i].peFlags = 0; + } + pwdc->hGLPalette = CreatePalette( pPal ); + } + + free(pPal); + +} + +void wmSetPixel(PWMC pwc, int iScanLine, int iPixel, BYTE r, BYTE g, BYTE b) +{ + if (Current->db_flag) { + LPBYTE lpb = pwc->pbPixels; + UINT nBypp = pwc->cColorBits >> 3; + UINT nOffset = iPixel % nBypp; + + lpb += pwc->ScanWidth * iScanLine; + lpb += iPixel * nBypp; + + if(nBypp == 1){ + if(pwc->dither_flag) + *lpb = DITHER_RGB_2_8BIT(r,g,b,iScanLine,iPixel); + else + *lpb = BGR8(r,g,b); + } + else if(nBypp == 2) + *((LPWORD)lpb) = BGR16(r,g,b); + else if (nBypp == 3) + *((LPDWORD)lpb) = BGR24(r,g,b); + else if (nBypp == 4) + *((LPDWORD)lpb) = BGR32(r,g,b); + } + else{ + SetPixel(Current->hDC, iPixel, iScanLine, RGB(r,g,b)); + DD_RELEASEDC; + } +} + +void wmCreateDIBSection( + HDC hDC, + PWMC pwc, // handle of device context + CONST BITMAPINFO *pbmi, // bitmap size, format, and color data + UINT iUsage // color data type indicator: RGB values or palette indices + ) +{ + DWORD dwSize = 0; + DWORD dwScanWidth; + UINT nBypp = pwc->cColorBits / 8; + HDC hic; + + dwScanWidth = (((pwc->ScanWidth * nBypp)+ 3) & ~3); + + pwc->ScanWidth =pwc->pitch = dwScanWidth; + + if (stereo_flag) + pwc->ScanWidth = 2* pwc->pitch; + + dwSize = sizeof(BITMAPINFO) + (dwScanWidth * pwc->height); + + pwc->dib.hFileMap = CreateFileMapping((HANDLE)PAGE_FILE, + NULL, + PAGE_READWRITE | SEC_COMMIT, + 0, + dwSize, + NULL); + + if (!pwc->dib.hFileMap) return; - + + pwc->dib.base = MapViewOfFile(pwc->dib.hFileMap, + FILE_MAP_ALL_ACCESS, + 0, + 0, + 0); + + if(!pwc->dib.base){ + CloseHandle(pwc->dib.hFileMap); + return; + } + + + CopyMemory(pwc->dib.base, pbmi, sizeof(BITMAPINFO)); + + hic = CreateIC("display", NULL, NULL, NULL); + pwc->dib.hDC = CreateCompatibleDC(hic); + + + pwc->hbmDIB = CreateDIBSection(hic, + &(pwc->bmi), + (iUsage ? DIB_PAL_COLORS : DIB_RGB_COLORS), + &(pwc->pbPixels), + pwc->dib.hFileMap, + 0); + pwc->ScreenMem = pwc->addrOffScreen = pwc->pbPixels; + pwc->hOldBitmap = SelectObject(pwc->dib.hDC, pwc->hbmDIB); + + DeleteDC(hic); + + return; + } -// -// Blit memory DC to screen DC -// -BOOL /*WINAPI*/ wmFlush(PWMC pwc) +/* + * Blit memory DC to screen DC + */ +BOOL wmFlush(PWMC pwc) { - BOOL bRet = 0; - DWORD dwErr = 0; + BOOL bRet = 0; + DWORD dwErr = 0; #ifdef DDRAW - HRESULT ddrval; + HRESULT ddrval; #endif - - // Now search through the torus frames and mark used colors - if(pwc->db_flag){ + + if(pwc->db_flag){ #ifdef DDRAW - if (pwc->lpDDSOffScreen == NULL) - if(DDCreateOffScreen(pwc) == GL_FALSE) - return; - - pwc->lpDDSOffScreen->lpVtbl->Unlock(pwc->lpDDSOffScreen, NULL); - - while( 1 ) - { - ddrval = pwc->lpDDSPrimary->lpVtbl->Blt( pwc->lpDDSPrimary, - &(pwc->rectSurface), pwc->lpDDSOffScreen, &(pwc->rectOffScreen), 0, NULL ); - - if( ddrval == DD_OK ) - { - break; - } - if( ddrval == DDERR_SURFACELOST ) - { - if(!DDRestoreAll(pwc)) - { - break; - } - } - if( ddrval != DDERR_WASSTILLDRAWING ) - { - break; - } - } - - while (pwc->lpDDSOffScreen->lpVtbl->Lock(pwc->lpDDSOffScreen, - NULL, &(pwc->ddsd), 0, NULL) == DDERR_WASSTILLDRAWING) - ; - - if(ddrval != DD_OK) - dwErr = GetLastError(); + if (pwc->lpDDSOffScreen == NULL) + if(DDCreateOffScreen(pwc) == GL_FALSE) + return; + + pwc->lpDDSOffScreen->lpVtbl->Unlock(pwc->lpDDSOffScreen, NULL); + + while( 1 ) + { + ddrval = pwc->lpDDSPrimary->lpVtbl->Blt( pwc->lpDDSPrimary, + &(pwc->rectSurface), + pwc->lpDDSOffScreen, + &(pwc->rectOffScreen), + 0, NULL ); + + if( ddrval == DD_OK ) + { + break; + } + if( ddrval == DDERR_SURFACELOST ) + { + if(!DDRestoreAll(pwc)) + { + break; + } + } + if( ddrval != DDERR_WASSTILLDRAWING ) + { + break; + } + } + + while (pwc->lpDDSOffScreen->lpVtbl->Lock(pwc->lpDDSOffScreen, + NULL, &(pwc->ddsd), 0, NULL) == + DDERR_WASSTILLDRAWING) + ; + + if(ddrval != DD_OK) + dwErr = GetLastError(); #else - bRet = BitBlt(pwc->hDC, 0, 0, pwc->width, pwc->height, - pwc->dib.hDC, 0, 0, SRCCOPY); + bRet = BitBlt(pwc->hDC, 0, 0, pwc->width, pwc->height, + pwc->dib.hDC, 0, 0, SRCCOPY); #endif - } - - return(TRUE); - + } + + return(TRUE); + } -// The following code is added by Li Wei to enable stereo display +/* The following code is added by Li Wei to enable stereo display */ #if !defined(NO_STEREO) void WMesaShowStereo(GLuint list) { - - GLbitfield mask = GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT; - GLfloat cm[16]; - GLint matrix_mode; - // Must use double Buffer - if( ! Current-> db_flag ) - return; - - - glGetIntegerv(GL_MATRIX_MODE,&matrix_mode); - - // glPushMatrix(); //**** - WMesaViewport(Current->gl_ctx,0,Current->height/2,Current->width,Current->height/2); - // Current->gl_ctx->NewState = 0; - - // glViewport(0,0,Current->width,Current->height/2); - if(matrix_mode!=GL_MODELVIEW) - glMatrixMode(GL_MODELVIEW); - - glGetFloatv(GL_MODELVIEW_MATRIX,cm); - glLoadIdentity(); - gluLookAt(viewDistance/2,0.0,0.0 , - viewDistance/2,0.0,-1.0, - 0.0,1.0,0.0 ); - // glTranslatef(viewDistance/2.0,0.,0.); - glMultMatrixf( cm ); - - Current->ScreenMem = Current->pbPixels = Current->addrOffScreen; - //glPushMatrix(); - glCallList( list ); - //glPopMatrix(); - - glGetFloatv(GL_MODELVIEW_MATRIX,cm); - glLoadIdentity(); - gluLookAt(-viewDistance/2,0.0,0.0 , - -viewDistance/2,0.0,-1.0, - 0.0,1.0,0.0 ); - // glTranslatef(-viewDistance/2.0,0.,0.); - glMultMatrixf(cm); - - Current->ScreenMem = Current->pbPixels = Current->addrOffScreen + Current->pitch; - glCallList(list); - if(matrix_mode!=GL_MODELVIEW) - glMatrixMode(matrix_mode); - - // glPopMatrix(); - glFlush(); - - WMesaViewport(Current->gl_ctx,0,0,Current->width,Current->height); - // Current->gl_ctx->NewState = 0; - WMesaSwapBuffers(); - + + GLbitfield mask = GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT; + GLfloat cm[16]; + GLint matrix_mode; + /* Must use double Buffer */ + if( ! Current-> db_flag ) + return; + + + glGetIntegerv(GL_MATRIX_MODE,&matrix_mode); + + WMesaViewport(Current->gl_ctx,0,Current->height/2, + Current->width,Current->height/2); + if(matrix_mode!=GL_MODELVIEW) + glMatrixMode(GL_MODELVIEW); + + glGetFloatv(GL_MODELVIEW_MATRIX,cm); + glLoadIdentity(); + gluLookAt(viewDistance/2,0.0,0.0 , + viewDistance/2,0.0,-1.0, + 0.0,1.0,0.0 ); + glMultMatrixf( cm ); + + Current->ScreenMem = Current->pbPixels = Current->addrOffScreen; + glCallList( list ); + + glGetFloatv(GL_MODELVIEW_MATRIX,cm); + glLoadIdentity(); + gluLookAt(-viewDistance/2,0.0,0.0 , + -viewDistance/2,0.0,-1.0, + 0.0,1.0,0.0 ); + glMultMatrixf(cm); + + Current->ScreenMem = Current->pbPixels = Current->addrOffScreen + Current->pitch; + glCallList(list); + if(matrix_mode!=GL_MODELVIEW) + glMatrixMode(matrix_mode); + + glFlush(); + + WMesaViewport(Current->gl_ctx,0,0,Current->width,Current->height); + WMesaSwapBuffers(); } void toggleStereoMode() { - if(!Current->db_flag) - return; - if(!stereo_flag){ - stereo_flag = 1; - if(stereoBuffer==GL_FALSE) + if(!Current->db_flag) + return; + if(!stereo_flag){ + stereo_flag = 1; + if(stereoBuffer==GL_FALSE) #if !defined(NO_PARALLEL) - if(!parallelFlag) + if(!parallelFlag) #endif - { - Current->ScanWidth = Current->pitch*2; - } - } - else { - stereo_flag = 0; + { + Current->ScanWidth = Current->pitch*2; + } + } + else { + stereo_flag = 0; #if !defined(NO_PARALLEL) - if(!parallelFlag) + if(!parallelFlag) #endif - Current->ScanWidth = Current->pitch; - Current->pbPixels = Current->addrOffScreen; - } + Current->ScanWidth = Current->pitch; + Current->pbPixels = Current->addrOffScreen; + } } /* if in stereo mode, the following function is called */ void glShowStereo(GLuint list) { - WMesaShowStereo(list); + WMesaShowStereo(list); } -#endif // End if NO_STEREO not defined +#endif /* NO_STEREO */ #if !defined(NO_PARALLEL) void toggleParallelMode(void) { - if(!parallelFlag){ - parallelFlag = GL_TRUE; - if(parallelMachine==GL_FALSE){ - PRCreateRenderBuffer( Current->rgb_flag? GL_RGBA :GL_COLOR_INDEX, - Current->cColorBits/8, - Current->width ,Current->height, - Current->ScanWidth, - Current->rgb_flag? Current->pbPixels: Current->ScreenMem); - parallelMachine = GL_TRUE; - } - } - else { - parallelFlag = GL_FALSE; - if(parallelMachine==GL_TRUE){ - PRDestroyRenderBuffer(); - parallelMachine=GL_FALSE; - ReadyForNextFrame = GL_TRUE; - } - - /*********************************************** - // Seems something wrong!!!! - ************************************************/ - - WMesaMakeCurrent(Current); + if(!parallelFlag){ + parallelFlag = GL_TRUE; + if(parallelMachine==GL_FALSE){ + PRCreateRenderBuffer( Current->rgb_flag? GL_RGBA :GL_COLOR_INDEX, + Current->cColorBits/8, + Current->width ,Current->height, + Current->ScanWidth, + Current->rgb_flag? Current->pbPixels: + Current->ScreenMem); + parallelMachine = GL_TRUE; + } + } + else { + parallelFlag = GL_FALSE; + if(parallelMachine==GL_TRUE){ + PRDestroyRenderBuffer(); + parallelMachine=GL_FALSE; + ReadyForNextFrame = GL_TRUE; + } + + /*********************************************** + * Seems something wrong!!!! + ************************************************/ + + WMesaMakeCurrent(Current); #if !defined(NO_STEREO) - stereo_flag = GL_FALSE ; + stereo_flag = GL_FALSE ; #endif - } + } } void PRShowRenderResult(void) { - int flag = 0; - if(!glImageRendered()) - return; - - if (parallelFlag) + int flag = 0; + if(!glImageRendered()) + return; + + if (parallelFlag) { - WMesaSwapBuffers(); + WMesaSwapBuffers(); } - + } -#endif //End if NO_PARALLEL not defined - -//end modification +#endif /* NO_PARALLEL */ BYTE DITHER_RGB_2_8BIT( int red, int green, int blue, int pixel, int scanline) { - char unsigned redtemp, greentemp, bluetemp, paletteindex; - - //*** now, look up each value in the halftone matrix - //*** using an 8x8 ordered dither. - redtemp = aDividedBy51[red] - + (aModulo51[red] > aHalftone8x8[(pixel%8)*8 - + scanline%8]); - greentemp = aDividedBy51[(char unsigned)green] - + (aModulo51[green] > aHalftone8x8[ - (pixel%8)*8 + scanline%8]); - bluetemp = aDividedBy51[(char unsigned)blue] - + (aModulo51[blue] > aHalftone8x8[ - (pixel%8)*8 +scanline%8]); - - //*** recombine the halftoned rgb values into a palette index - paletteindex = - redtemp + aTimes6[greentemp] + aTimes36[bluetemp]; - - //*** and translate through the wing halftone palette - //*** translation vector to give the correct value. - return aWinGHalftoneTranslation[paletteindex]; + char unsigned redtemp, greentemp, bluetemp, paletteindex; + + //*** now, look up each value in the halftone matrix + //*** using an 8x8 ordered dither. + redtemp = aDividedBy51[red] + + (aModulo51[red] > aHalftone8x8[(pixel%8)*8 + + scanline%8]); + greentemp = aDividedBy51[(char unsigned)green] + + (aModulo51[green] > aHalftone8x8[ + (pixel%8)*8 + scanline%8]); + bluetemp = aDividedBy51[(char unsigned)blue] + + (aModulo51[blue] > aHalftone8x8[ + (pixel%8)*8 +scanline%8]); + + //*** recombine the halftoned rgb values into a palette index + paletteindex = + redtemp + aTimes6[greentemp] + aTimes36[bluetemp]; + + //*** and translate through the wing halftone palette + //*** translation vector to give the correct value. + return aWinGHalftoneTranslation[paletteindex]; } #ifdef DDRAW /* -* restoreAll -* -* restore all lost objects -*/ + * restoreAll + * + * restore all lost objects + */ HRESULT DDRestoreAll( WMesaContext wc ) { - HRESULT ddrval; - - ddrval = wc->lpDDSPrimary->lpVtbl->Restore(wc->lpDDSPrimary); - if( ddrval == DD_OK ) + HRESULT ddrval; + + ddrval = wc->lpDDSPrimary->lpVtbl->Restore(wc->lpDDSPrimary); + if( ddrval == DD_OK ) { - ddrval = wc->lpDDSOffScreen->lpVtbl->Restore(wc->lpDDSOffScreen); + ddrval = wc->lpDDSOffScreen->lpVtbl->Restore(wc->lpDDSOffScreen); } - return ddrval; - + return ddrval; + } /* restoreAll */ - /* - * This function is called if the initialization function fails -*/ +/* + * This function is called if the initialization function fails + */ BOOL initFail( HWND hwnd, WMesaContext wc ) { - DDFree(wc); - MessageBox( hwnd, "DirectDraw Init FAILED", "", MB_OK ); - return FALSE; - + DDFree(wc); + MessageBox( hwnd, "DirectDraw Init FAILED", "", MB_OK ); + return FALSE; + } /* initFail */ static void DDDeleteOffScreen(WMesaContext wc) { - if( wc->lpDDSOffScreen != NULL ) + if( wc->lpDDSOffScreen != NULL ) { - wc->lpDDSOffScreen->lpVtbl->Unlock(wc->lpDDSOffScreen,NULL); - wc->lpDDSOffScreen->lpVtbl->Release(wc->lpDDSOffScreen); - wc->lpDDSOffScreen = NULL; + wc->lpDDSOffScreen->lpVtbl->Unlock(wc->lpDDSOffScreen,NULL); + wc->lpDDSOffScreen->lpVtbl->Release(wc->lpDDSOffScreen); + wc->lpDDSOffScreen = NULL; } - + } static void DDFreePrimarySurface(WMesaContext wc) { - if( wc->lpDDSPrimary != NULL ) + if( wc->lpDDSPrimary != NULL ) { - if(wc->db_flag == GL_FALSE) - wc->lpDDSPrimary->lpVtbl->ReleaseDC(wc->lpDDSPrimary, wc->hDC); - wc->lpDDSPrimary->lpVtbl->Release(wc->lpDDSPrimary); - wc->lpDDSPrimary = NULL; + if(wc->db_flag == GL_FALSE) + wc->lpDDSPrimary->lpVtbl->ReleaseDC(wc->lpDDSPrimary, wc->hDC); + wc->lpDDSPrimary->lpVtbl->Release(wc->lpDDSPrimary); + wc->lpDDSPrimary = NULL; } } static BOOL DDCreatePrimarySurface(WMesaContext wc) { - HRESULT ddrval; - DDSCAPS ddscaps; - wc->ddsd.dwSize = sizeof( wc->ddsd ); - wc->ddsd.dwFlags = DDSD_CAPS; - wc->ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE; - - ddrval = wc->lpDD->lpVtbl->CreateSurface( wc->lpDD,&(wc->ddsd), &(wc->lpDDSPrimary), NULL ); - if( ddrval != DD_OK ) + HRESULT ddrval; + DDSCAPS ddscaps; + wc->ddsd.dwSize = sizeof( wc->ddsd ); + wc->ddsd.dwFlags = DDSD_CAPS; + wc->ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE; + + ddrval = wc->lpDD->lpVtbl->CreateSurface( wc->lpDD,&(wc->ddsd), + &(wc->lpDDSPrimary), NULL ); + if( ddrval != DD_OK ) { - return initFail(wc->hwnd , wc); + return initFail(wc->hwnd , wc); } - if(wc->db_flag == GL_FALSE) - wc->lpDDSPrimary->lpVtbl->GetDC(wc->lpDDSPrimary, wc->hDC); - return TRUE; + if(wc->db_flag == GL_FALSE) + wc->lpDDSPrimary->lpVtbl->GetDC(wc->lpDDSPrimary, wc->hDC); + return TRUE; } static BOOL DDCreateOffScreen(WMesaContext wc) { - POINT pt; - HRESULT ddrval; - if(wc->lpDD == NULL) - return FALSE; - GetClientRect( wc->hwnd, &(wc->rectOffScreen) ); - wc->ddsd.dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH; - wc->ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN; - wc->ddsd.dwHeight = wc->rectOffScreen.bottom - wc->rectOffScreen.top; - wc->ddsd.dwWidth = wc->rectOffScreen.right - wc->rectOffScreen.left; - - ddrval = wc->lpDD->lpVtbl->CreateSurface( wc->lpDD, &(wc->ddsd), &(wc->lpDDSOffScreen), NULL ); - if( ddrval != DD_OK ) + POINT pt; + HRESULT ddrval; + if(wc->lpDD == NULL) + return FALSE; + GetClientRect( wc->hwnd, &(wc->rectOffScreen) ); + wc->ddsd.dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH; + wc->ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN; + wc->ddsd.dwHeight = wc->rectOffScreen.bottom - wc->rectOffScreen.top; + wc->ddsd.dwWidth = wc->rectOffScreen.right - wc->rectOffScreen.left; + + ddrval = wc->lpDD->lpVtbl->CreateSurface( wc->lpDD, &(wc->ddsd), + &(wc->lpDDSOffScreen), NULL ); + if( ddrval != DD_OK ) { - return FALSE; + return FALSE; } - - while (wc->lpDDSOffScreen->lpVtbl->Lock(wc->lpDDSOffScreen,NULL, &(wc->ddsd), 0, NULL) == DDERR_WASSTILLDRAWING) - ; - // while ((ddrval = wc->lpDDSOffScreen->lpVtbl->Lock(wc->lpDDSOffScreen,NULL, &(wc->ddsd), DDLOCK_SURFACEMEMORYPTR , NULL)) != DD_OK) + + while (wc->lpDDSOffScreen->lpVtbl->Lock(wc->lpDDSOffScreen,NULL, + &(wc->ddsd), 0, NULL) == + DDERR_WASSTILLDRAWING) ; - if(wc->ddsd.lpSurface==NULL) - return initFail(wc->hwnd, wc); - - wc->ScreenMem = wc->pbPixels = wc->addrOffScreen = (PBYTE)(wc->ddsd.lpSurface); - wc->ScanWidth = wc->pitch = wc->ddsd.lPitch; - if (stereo_flag) - wc->ScanWidth = wc->ddsd.lPitch*2; - - GetClientRect( wc->hwnd, &(wc->rectSurface) ); - pt.x = pt.y = 0; - ClientToScreen( wc->hwnd, &pt ); - OffsetRect(&(wc->rectSurface), pt.x, pt.y); - wmSetPixelFormat(wc, wc->hDC); - return TRUE; + + if(wc->ddsd.lpSurface==NULL) + return initFail(wc->hwnd, wc); + + wc->ScreenMem = wc->pbPixels = wc->addrOffScreen = + (PBYTE)(wc->ddsd.lpSurface); + wc->ScanWidth = wc->pitch = wc->ddsd.lPitch; + if (stereo_flag) + wc->ScanWidth = wc->ddsd.lPitch*2; + + GetClientRect( wc->hwnd, &(wc->rectSurface) ); + pt.x = pt.y = 0; + ClientToScreen( wc->hwnd, &pt ); + OffsetRect(&(wc->rectSurface), pt.x, pt.y); + wmSetPixelFormat(wc, wc->hDC); + return TRUE; } /* -* doInit - do work required for every instance of the application: -* create the window, initialize data -*/ + * doInit - do work required for every instance of the application: + * create the window, initialize data + */ static BOOL DDInit( WMesaContext wc, HWND hwnd) { - HRESULT ddrval; - DWORD dwFrequency; - - LPDIRECTDRAW lpDD; // DirectDraw object - LPDIRECTDRAW2 lpDD2; - - - wc->fullScreen = displayOptions.fullScreen; - wc->gMode = displayOptions.mode; - wc->hwnd = hwnd; - stereo_flag = displayOptions.stereo; - if(wc->db_flag!= GL_TRUE) - stereo_flag = GL_FALSE; - /* - * create the main DirectDraw object - */ - ddrval = DirectDrawCreate( NULL, &(wc->lpDD), NULL ); - if( ddrval != DD_OK ) + HRESULT ddrval; + DWORD dwFrequency; + + LPDIRECTDRAW lpDD; // DirectDraw object + LPDIRECTDRAW2 lpDD2; + + + wc->fullScreen = displayOptions.fullScreen; + wc->gMode = displayOptions.mode; + wc->hwnd = hwnd; + stereo_flag = displayOptions.stereo; + if(wc->db_flag!= GL_TRUE) + stereo_flag = GL_FALSE; + /* + * create the main DirectDraw object + */ + ddrval = DirectDrawCreate( NULL, &(wc->lpDD), NULL ); + if( ddrval != DD_OK ) { - return initFail(hwnd,wc); + return initFail(hwnd,wc); } - - // Get exclusive mode if requested - if(wc->fullScreen) + + // Get exclusive mode if requested + if(wc->fullScreen) { - ddrval = wc->lpDD->lpVtbl->SetCooperativeLevel( wc->lpDD, hwnd, DDSCL_EXCLUSIVE | DDSCL_FULLSCREEN ); + ddrval = wc->lpDD->lpVtbl->SetCooperativeLevel( wc->lpDD, hwnd, + DDSCL_EXCLUSIVE | + DDSCL_FULLSCREEN ); } - else + else { - ddrval = wc->lpDD->lpVtbl->SetCooperativeLevel( wc->lpDD, hwnd, DDSCL_NORMAL ); + ddrval = wc->lpDD->lpVtbl->SetCooperativeLevel( wc->lpDD, hwnd, + DDSCL_NORMAL ); } - if( ddrval != DD_OK ) + if( ddrval != DD_OK ) { - return initFail(hwnd , wc); - } - - - /* ddrval = wc->lpDD->lpVtbl->QueryInterface(wc->lpDD, IID_IDirectDraw2, - (LPVOID *)((wc->lpDD2))); - - */ - if(ddrval != DD_OK) - return initFail(hwnd , wc); - - - //ddrval = wc->lpDD->lpVtbl->GetDisplayMode( wc->lpDD, &(wc->ddsd)); - // wc->lpDD2->lpVtbl->GetMonitorFrequency(wc->lpDD, &dwFrequency); - switch( wc->gMode ) + return initFail(hwnd , wc); + } + + + if(ddrval != DD_OK) + return initFail(hwnd , wc); + + + switch( wc->gMode ) { - case 1: ddrval = wc->lpDD->lpVtbl->SetDisplayMode( wc->lpDD, 640, 480, displayOptions.bpp); break; - case 2: ddrval = wc->lpDD->lpVtbl->SetDisplayMode( wc->lpDD, 800, 600, displayOptions.bpp); break; - case 3: ddrval = wc->lpDD->lpVtbl->SetDisplayMode( wc->lpDD, 1024, 768, displayOptions.bpp); break; - case 4: ddrval = wc->lpDD->lpVtbl->SetDisplayMode( wc->lpDD, 1152, 864, displayOptions.bpp); break; - case 5: ddrval = wc->lpDD->lpVtbl->SetDisplayMode( wc->lpDD, 1280, 1024, displayOptions.bpp); break; - } - - if( ddrval != DD_OK ) + case 1: + ddrval = wc->lpDD->lpVtbl->SetDisplayMode( wc->lpDD, 640, 480, + displayOptions.bpp); + break; + case 2: + ddrval = wc->lpDD->lpVtbl->SetDisplayMode( wc->lpDD, 800, 600, + displayOptions.bpp); + break; + case 3: + ddrval = wc->lpDD->lpVtbl->SetDisplayMode( wc->lpDD, 1024, 768, + displayOptions.bpp); + break; + case 4: + ddrval = wc->lpDD->lpVtbl->SetDisplayMode( wc->lpDD, 1152, 864, + displayOptions.bpp); + break; + case 5: + ddrval = wc->lpDD->lpVtbl->SetDisplayMode( wc->lpDD, 1280, 1024, + displayOptions.bpp); + break; + } + + if( ddrval != DD_OK ) { - printf("Can't modify display mode, current mode used\n"); - // return initFail(hwnd , wc); - } - //ddrval = wc->lpDD->lpVtbl->GetDisplayMode( wc->lpDD, &(wc->ddsd)); - switch(ddrval){ - case DDERR_INVALIDOBJECT: - break; - case DDERR_INVALIDPARAMS: - break; - case DDERR_UNSUPPORTEDMODE: - ; - } - - if(DDCreatePrimarySurface(wc) == GL_FALSE) - return initFail(hwnd, wc); - - if(wc->db_flag) - return DDCreateOffScreen(wc); + printf("Can't modify display mode, current mode used\n"); + } + switch(ddrval){ + case DDERR_INVALIDOBJECT: + break; + case DDERR_INVALIDPARAMS: + break; + case DDERR_UNSUPPORTEDMODE: + ; + } + + if(DDCreatePrimarySurface(wc) == GL_FALSE) + return initFail(hwnd, wc); + + if(wc->db_flag) + return DDCreateOffScreen(wc); } /* DDInit */ static void DDFree( WMesaContext wc) { - if( wc->lpDD != NULL ) + if( wc->lpDD != NULL ) { - DDFreePrimarySurface(wc); - DDDeleteOffScreen(wc); - wc->lpDD->lpVtbl->Release(wc->lpDD); - wc->lpDD = NULL; + DDFreePrimarySurface(wc); + DDDeleteOffScreen(wc); + wc->lpDD->lpVtbl->Release(wc->lpDD); + wc->lpDD = NULL; } - // Clean up the screen on exit - RedrawWindow( NULL, NULL, NULL, RDW_INVALIDATE | RDW_ERASE | - RDW_ALLCHILDREN ); - + // Clean up the screen on exit + RedrawWindow( NULL, NULL, NULL, RDW_INVALIDATE | RDW_ERASE | + RDW_ALLCHILDREN ); + } #endif void WMesaMove(void) { - WMesaContext wc = Current; - POINT pt; - if (Current != NULL){ - GetClientRect( wc->hwnd, &(wc->rectSurface) ); - pt.x = pt.y = 0; - ClientToScreen( wc->hwnd, &pt ); - OffsetRect(&(wc->rectSurface), pt.x, pt.y); - } + WMesaContext wc = Current; + POINT pt; + if (Current != NULL){ + GetClientRect( wc->hwnd, &(wc->rectSurface) ); + pt.x = pt.y = 0; + ClientToScreen( wc->hwnd, &pt ); + OffsetRect(&(wc->rectSurface), pt.x, pt.y); + } } +/************************************************ + * Mesa 4.0 - These triangle rasterizers are not + * implemented in this version of the Windows + * driver. They could be implemented for a + * potential performance improvement. + * See OSMesa for an example of the approach + * to use. + * This old code is left in this file in case + * it is useful. However, it may end up looking + * a lot more like the OSMesa code. + ************************************************/ + + +#if 0 + /* -* Like PACK_8A8B8G8R() but don't use alpha. This is usually an acceptable -* shortcut. -*/ + * Like PACK_8A8B8G8R() but don't use alpha. This is usually an acceptable + * shortcut. + */ #define PACK_8B8G8R( R, G, B ) ( ((B) << 16) | ((G) << 8) | (R) ) -#if 0 /**********************************************************************/ /*** Triangle rendering ***/ /**********************************************************************/ @@ -2847,9 +2718,9 @@ static void flat_DITHER8_triangle( GLcontext *ctx, GLuint v0, GLuint v1, } #endif +/************** END DEAD TRIANGLE CODE ***********************/ - -static /*triangle_func*/ choose_triangle_function( GLcontext *ctx ) +static triangle_func choose_triangle_function( GLcontext *ctx ) { #if 0 WMesaContext wmesa = (WMesaContext) ctx->DriverCtx; @@ -2943,29 +2814,30 @@ static /*triangle_func*/ choose_triangle_function( GLcontext *ctx ) } /* -* Define a new viewport and reallocate auxillary buffers if the size of -* the window (color buffer) has changed. -*/ + * Define a new viewport and reallocate auxillary buffers if the size of + * the window (color buffer) has changed. + */ void WMesaViewport( GLcontext *ctx, - GLint x, GLint y, GLsizei width, GLsizei height ) + GLint x, GLint y, GLsizei width, GLsizei height ) { + assert(0); /* I don't think that this is being used. */ #if 0 - /* Save viewport */ - ctx->Viewport.X = x; - ctx->Viewport.Width = width; - ctx->Viewport.Y = y; - ctx->Viewport.Height = height; - - /* compute scale and bias values */ + /* Save viewport */ + ctx->Viewport.X = x; + ctx->Viewport.Width = width; + ctx->Viewport.Y = y; + ctx->Viewport.Height = height; + + /* compute scale and bias values */ /* Pre-Keith 3.1 changes - ctx->Viewport.Map.m[Sx] = (GLfloat) width / 2.0F; - ctx->Viewport.Map.m[Tx] = ctx->Viewport.Sx + x; - ctx->Viewport.Map.m[Sy] = (GLfloat) height / 2.0F; - ctx->Viewport.Map.m[Ty] = ctx->Viewport.Sy + y; + ctx->Viewport.Map.m[Sx] = (GLfloat) width / 2.0F; + ctx->Viewport.Map.m[Tx] = ctx->Viewport.Sx + x; + ctx->Viewport.Map.m[Sy] = (GLfloat) height / 2.0F; + ctx->Viewport.Map.m[Ty] = ctx->Viewport.Sy + y; */ - ctx->Viewport.WindowMap.m[MAT_SX] = (GLfloat) width / 2.0F; - ctx->Viewport.WindowMap.m[MAT_TX] = ctx->Viewport.WindowMap.m[MAT_SX] + x; - ctx->Viewport.WindowMap.m[MAT_SY] = (GLfloat) height / 2.0F; - ctx->Viewport.WindowMap.m[MAT_TY] = ctx->Viewport.WindowMap.m[MAT_SY] + y; + ctx->Viewport.WindowMap.m[MAT_SX] = (GLfloat) width / 2.0F; + ctx->Viewport.WindowMap.m[MAT_TX] = ctx->Viewport.WindowMap.m[MAT_SX] + x; + ctx->Viewport.WindowMap.m[MAT_SY] = (GLfloat) height / 2.0F; + ctx->Viewport.WindowMap.m[MAT_TY] = ctx->Viewport.WindowMap.m[MAT_SY] + y; #endif } |