diff options
Diffstat (limited to 'src/mesa/drivers/windows/wmesaBackup.c')
| -rw-r--r-- | src/mesa/drivers/windows/wmesaBackup.c | 2891 |
1 files changed, 0 insertions, 2891 deletions
diff --git a/src/mesa/drivers/windows/wmesaBackup.c b/src/mesa/drivers/windows/wmesaBackup.c deleted file mode 100644 index 33a7c40de94..00000000000 --- a/src/mesa/drivers/windows/wmesaBackup.c +++ /dev/null @@ -1,2891 +0,0 @@ -/* $Id: wmesaBackup.c,v 1.3 2001/03/03 20:33:29 brianp Exp $ */ - -/* -* File name : wmesa.c -* Version : 2.3 -* -* Display driver for Mesa 2.3 under -* Windows95 and WindowsNT -* -* Copyright (C) 1996- Li Wei -* Address : Institute of Artificial Intelligence -* : & Robotics -* : Xi'an Jiaotong University -* Email : [email protected] -* Web page : http://sun.aiar.xjtu.edu.cn -* -* This file and its associations are partially borrowed from the -* Windows NT driver for Mesa 1.8 , written by Mark Leaming -* ([email protected]). -*/ - - -/* - * $Log: wmesaBackup.c,v $ - * Revision 1.3 2001/03/03 20:33:29 brianp - * lots of gl_*() to _mesa_*() namespace clean-up - * - * Revision 1.2 2000/11/05 18:41:00 keithw - * - Changes for new software rasterizer modules - * - Remove support for choosing software fallbacks from core code - * - Remove partial fallback code from vbrender.c -- drivers are now - * expected to be able to find a triangle/quad function for every state, - * even if they have to use _swsetup_Triangle or _swsetup_Quad. - * - Marked derived variables in the GLcontext struct with a leading - * underscore '_'. - * - * Revision 1.1.1.1 1999/08/19 00:55:42 jtg - * Imported sources - * - * Revision 1.1 1999/01/03 03:08:57 brianp - * Initial revision - * - * Revision 3.1 1998/06/11 01:42:08 brianp - * updated for Mesa 3.0 device driver interface (but not tested) - * - * Revision 3.0 1998/06/11 01:18:25 brianp - * initial revision - * - */ - - -#define WMESA_STEREO_C - -#include <stdio.h> -#include <stdlib.h> -#include <GL/wmesa.h> -#include "mesa_extend.h" -#include "colors.h" -#include "macros.h" -#include "context.h" -#include "dd.h" -#include "xform.h" -#include "vb.h" -#include "matrix.h" -#include "depth.h" -#include "wmesadef.h" - -#pragma warning ( disable : 4133 4761 ) - -#ifdef PROFILE -// #include "profile.h" -#endif - -#ifdef DITHER -#include <wing.h> -#endif - -#ifdef __CYGWIN32__ -#include "macros.h" -#include <string.h> -#define CopyMemory memcpy -#endif - -#if !defined(NO_STEREO) - -#include "gl\glu.h" -#include "stereo.h" - -#endif -#if !defined(NO_PARALLEL) -// #include "parallel.h" -#endif - -struct DISPLAY_OPTIONS displayOptions; - -GLenum stereoCompile = GL_FALSE ; -GLenum stereoShowing = GL_FALSE ; -GLenum stereoBuffer = GL_FALSE; -#if !defined(NO_STEREO) -GLint displayList = MAXIMUM_DISPLAY_LIST ; -#endif -GLint stereo_flag = 0 ; - -/* end of added code*/ - -static PWMC Current = NULL; -WMesaContext WC = NULL; - -#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 - -//#define DD_GETDC (Current->hDC ) -#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 -#define FLIP(Y) (Current->db_flag? Y: Current->height-(Y)-1) -#define STARTPROFILE -#define ENDPROFILE(PARA) - -#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]; \ -} - - -#ifdef DDRAW -static BOOL DDInit( WMesaContext wc, HWND hwnd); -static void DDFree( WMesaContext wc); -static HRESULT DDRestoreAll( WMesaContext wc ); -static void DDDeleteOffScreen(WMesaContext wc); -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); - -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 - ); - - -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); - 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; -} - - -// -// This function creates the DIB section that is used for combined -// GL and GDI calls -// -BOOL /*WINAPI*/ 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); - -} - - -// -// This function copies one scan line in a DIB section to another -// -BOOL GLWINAPI 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); - -} - - -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) -#define PIXELADDR1( X, Y ) \ -((GLubyte *)wmesa->pbPixels + (wmesa->height-Y-1)* wmesa->ScanWidth + (X)) -#define PIXELADDR2( X, Y ) \ -((GLubyte *)wmesa->pbPixels + (wmesa->height-Y-1)* wmesa->ScanWidth + (X)*2) -#define PIXELADDR4( X, Y ) \ -((GLubyte *)wmesa->pbPixels + (wmesa->height-Y-1)* wmesa->ScanWidth + (X)*4) - - -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 */ -} - - -// -// 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) - -} - - - -/* -* 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) -} - - - -/* -* Set the color used to clear the color buffer. -*/ -static void clear_color( GLcontext* ctx, GLubyte r, GLubyte g, GLubyte b, GLubyte a ) -{ - STARTPROFILE - Current->clearpixel=RGB(r, g, b ); - ENDPROFILE(clear_color) -} - - - -/* -* 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. ([email protected]) -// dd.h does not explain what the return type is so I could not set this to the proper -// value. -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) - - return mask; // TODO: I doubt this is correct. dd.h doesn't explain what this should - // be... -} - - - -/* Set the current color index. */ -static void set_index(GLcontext* ctx, GLuint index) -{ - STARTPROFILE - Current->pixel=index; - ENDPROFILE(set_index) -} - - - -/* Set the current RGBA color. */ -static void set_color( GLcontext* ctx, GLubyte r, GLubyte g, GLubyte b, GLubyte a ) -{ - STARTPROFILE - Current->pixel = RGB( r, g, b ); - ENDPROFILE(set_color) -} - - - -/* Set the index mode bitplane mask. */ -static GLboolean index_mask(GLcontext* ctx, GLuint mask) -{ - /* can't implement */ - return GL_FALSE; -} - - - -/* Set the RGBA drawing mask. */ -static GLboolean color_mask( GLcontext* ctx, - GLboolean rmask, GLboolean gmask, - GLboolean bmask, GLboolean amask) -{ - /* can't implement */ - return GL_FALSE; -} - - - -/* -* Set the pixel logic operation. Return GL_TRUE if the device driver -* can perform the operation, otherwise return GL_FALSE. If GL_FALSE -* is returned, the logic op will be done in software by Mesa. -*/ -GLboolean logicop( GLcontext* ctx, GLenum op ) -{ - /* can't implement */ - return GL_FALSE; -} - - -static void dither( GLcontext* ctx, GLboolean enable ) -{ - 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_buffer( GLcontext* ctx, GLenum mode ) -{ - STARTPROFILE - /* TODO: this could be better */ - if (mode==GL_FRONT || mode==GL_BACK) { - return GL_TRUE; - } - else { - return GL_FALSE; - } - ENDPROFILE(set_buffer) -} - - - -/* 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); - - *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){ -#ifdef DDRAW - DDDeleteOffScreen(Current); - DDCreateOffScreen(Current); -#else - 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 -#if !defined(NO_PARALLEL) - if(parallelFlag) - PRSizeRenderBuffer(Current->width, Current->height,Current->ScanWidth, - Current->rgb_flag == GL_TRUE ? Current->pbPixels: Current->ScreenMem); -#endif - } - ENDPROFILE(buffer_size) -} - - - -/**********************************************************************/ -/***** Accelerated point, line, polygon rendering *****/ -/**********************************************************************/ - - -static void fast_rgb_points( GLcontext* ctx, GLuint first, GLuint last ) -{ - GLuint i; - // HDC DC=DD_GETDC; - PWMC pwc = Current; - - STARTPROFILE - - if (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[i][0]; - y = FLIP( (GLint) Current->gl_ctx->VB->Win[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->Color[i][0]*255.0, - Current->gl_ctx->VB->Color[i][1]*255.0, - Current->gl_ctx->VB->Color[i][2]*255.0); - x = (GLint) Current->gl_ctx->VB->Win[i][0]; - y = FLIP( (GLint) Current->gl_ctx->VB->Win[i][1] ); - wmSetPixel(pwc, y,x,Current->gl_ctx->VB->Color[i][0]*255.0, - Current->gl_ctx->VB->Color[i][1]*255.0, - Current->gl_ctx->VB->Color[i][2]*255.0); - } - } - } - // DD_RELEASEDC; - ENDPROFILE(fast_rgb_points) -} - - - -/* Return pointer to accerated points function */ -extern points_func choose_points_function( GLcontext* ctx ) -{ - STARTPROFILE - if (ctx->Point.Size==1.0 && !ctx->Point.SmoothFlag && ctx->_RasterMask==0 - && !ctx->Texture.Enabled && ctx->Visual->RGBAflag) { - ENDPROFILE(choose_points_function) - return fast_rgb_points; - } - else { - ENDPROFILE(choose_points_function) - return NULL; - } -} - - - -/* Draw a line using the color specified by Current->gl_ctx->VB->Color[pv] */ -static void fast_flat_rgb_line( GLcontext* ctx, GLuint v0, GLuint v1, GLuint pv ) -{ - STARTPROFILE - int x0, y0, x1, y1; - unsigned long pixel; - HDC DC=DD_GETDC; - HPEN Pen; - HPEN Old_Pen; - - if (Current->gl_ctx->VB->MonoColor) { - pixel = Current->pixel; /* use current color */ - } - else { - pixel = RGB(Current->gl_ctx->VB->Color[pv][0]*255.0, Current->gl_ctx->VB->Color[pv][1]*255.0, Current->gl_ctx->VB->Color[pv][2]*255.0); - } - - x0 = (int) Current->gl_ctx->VB->Win[v0][0]; - y0 = FLIP( (int) Current->gl_ctx->VB->Win[v0][1] ); - x1 = (int) Current->gl_ctx->VB->Win[v1][0]; - y1 = FLIP( (int) Current->gl_ctx->VB->Win[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) -} - - - -/* Return pointer to accerated line function */ -static line_func choose_line_function( GLcontext* ctx ) -{ - STARTPROFILE - if (ctx->Line.Width==1.0 && !ctx->Line.SmoothFlag && !ctx->Line.StippleFlag - && ctx->Light.ShadeModel==GL_FLAT && ctx->_RasterMask==0 - && !ctx->Texture.Enabled && Current->rgb_flag) { - ENDPROFILE(choose_line_function) - return fast_flat_rgb_line; - } - else { - ENDPROFILE(choose_line_function) - return NULL; - } -} - - -/**********************************************************************/ -/***** Span-based pixel drawing *****/ -/**********************************************************************/ - - -/* Write a horizontal span of 32-bit color-index pixels with a boolean mask. */ -static void write_ci32_span( const GLcontext* ctx, - GLuint n, GLint x, GLint y, - 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) -} - - -/* Write a horizontal span of 8-bit color-index pixels with a boolean mask. */ -static void write_ci8_span( const GLcontext* ctx, - GLuint n, GLint x, GLint y, - 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) -} - - - -/* -* 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, - 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]=Current->pixel; - ENDPROFILE(write_mono_ci_span) -} - -/* - * To improve the performance of this routine, frob the data into an actual - * scanline and call bitblt on the complete scan line instead of SetPixel. - */ - -/* Write a horizontal span of RGBA color pixels with a boolean mask. */ -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) - { - 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 - { - 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. */ -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) - { - 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 - { - 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. -*/ -static void write_mono_rgba_span( const GLcontext* ctx, - GLuint n, GLint x, GLint y, - const GLubyte mask[]) -{ - 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,GetRValue(Current->pixel), GetGValue(Current->pixel), GetBValue(Current->pixel)); - } - else { - for (i=0; i<n; i++) - if (mask[i]) - SetPixel(DC, y, x+i, Current->pixel); - } - DD_RELEASEDC; - ENDPROFILE(write_mono_rgba_span) -} - - - -/**********************************************************************/ -/***** Array-based pixel drawing *****/ -/**********************************************************************/ - - -/* Write an array of 32-bit index pixels with a boolean mask. */ -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) -} - - - -/* -* 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[], - 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 = Current->pixel; - } - } - ENDPROFILE(write_mono_ci_pixels) -} - - - -/* Write an array of RGBA pixels with a boolean mask. */ -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) -} - - - -/* -* 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 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],GetRValue(Current->pixel), - GetGValue(Current->pixel), GetBValue(Current->pixel)); - DD_RELEASEDC; - ENDPROFILE(write_mono_rgba_pixels) -} - - - -/**********************************************************************/ -/***** Read spans/arrays of pixels *****/ -/**********************************************************************/ - - -/* Read a horizontal span of color-index pixels. */ -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) -} - - - - -/* Read an array of color index pixels. */ -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) -} - - - -/* Read a horizontal span of color pixels. */ -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); - 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) -} - - -/* Read an array of color pixels. */ -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]) { - Color=GetPixel(DC,x[i],FLIP(y[i])); - 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) -} - - - -/**********************************************************************/ -/**********************************************************************/ - - -static const char *renderer_string(void) -{ - return "Windows"; -} - - - -void setup_DD_pointers( GLcontext* ctx ) -{ - ctx->Driver.RendererString = renderer_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.Index = set_index; - ctx->Driver.Color = set_color; - ctx->Driver.IndexMask = index_mask; - ctx->Driver.ColorMask = color_mask; - - ctx->Driver.LogicOp = logicop; - ctx->Driver.Dither = dither; - - ctx->Driver.SetBuffer = set_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; -} - - -/**********************************************************************/ -/***** WMesa API Functions *****/ -/**********************************************************************/ - - - -#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 = - { - 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) - { - 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++) - { - 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; -#ifdef DDRAW - 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 - c->dither_flag = GL_FALSE; -#endif - - - 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"); - } - else - { - c->rgb_flag = GL_TRUE; - // c->pixel = 0; - } - GetClientRect(c->Window,&CR); - c->width=CR.right; - c->height=CR.bottom; - if (db_flag) - { - 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); - - } -#endif - } - else - { - /* 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 = gl_create_visual(rgb_flag, - GL_FALSE, /* software alpha */ - db_flag, /* db_flag */ - GL_FALSE, /* stereo */ - 16, /* depth_bits */ - 8, /* stencil_bits */ - 8, /* accum_bits */ - 0, /* index bits */ - 8,8,8,8 ); /* r, g, b, a bits */ - - if (!c->gl_visual) { - return NULL; - } - - /* allocate a new Mesa context */ - c->gl_ctx = gl_create_context( c->gl_visual, NULL, c, GL_TRUE); - - if (!c->gl_ctx) { - gl_destroy_visual( c->gl_visual ); - free(c); - return NULL; - } - - c->gl_buffer = gl_create_framebuffer( c->gl_visual ); - if (!c->gl_buffer) { - gl_destroy_visual( c->gl_visual ); - gl_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; -} - -void WMesaDestroyContext( void ) -{ - WMesaContext c = Current; - ReleaseDC(c->Window,c->hDC); - WC = c; - if(c->hPalHalfTone != NULL) - DeleteObject(c->hPalHalfTone); - gl_destroy_visual( c->gl_visual ); - gl_destroy_framebuffer( c->gl_buffer ); - gl_destroy_context( c->gl_ctx ); - - if (c->db_flag) -#ifdef DDRAW - DDFree(c); -#else - wmDeleteBackingStore(c); -#endif - free( (void *) c ); - //Following code is added to enable parallel render - // Parallel render only work in double buffer mode -#if !defined(NO_PARALLEL) - if(parallelMachine) - PRDestroyRenderBuffer(); -#endif - // End modification -} - -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 ); - gl_make_current(c->gl_ctx, c->gl_buffer); - setup_DD_pointers(c->gl_ctx);
- 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); - } -} - -void WMesaSwapBuffers( void ) -{ - HDC DC = Current->hDC; - if (Current->db_flag) - wmFlush(Current); -} - -void WMesaPaletteChange(HPALETTE Pal) -{ - 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 ); -#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); -#else - vRet = SetDIBColorTable(Current->dib.hDC,0,256,pPal); -#endif - free( pPal ); - } - -} - -static unsigned char threeto8[8] = { - 0, 0111>>1, 0222>>1, 0333>>1, 0444>>1, 0555>>1, 0666>>1, 0377 -}; - -static unsigned char twoto8[4] = { - 0, 0x55, 0xaa, 0xff -}; - -static unsigned char oneto8[2] = { - 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 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; - LPDWORD lpdw; - LPWORD lpw; - UINT nBypp = pwc->cColorBits / 8; - 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{ - HDC DC = DD_GETDC; - SetPixel(DC, iPixel, iScanLine, RGB(r,g,b)); - DD_RELEASEDC; - } -} - -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 - ) -{ - 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); - - return; - -} - -// -// Blit memory DC to screen DC -// -BOOL wmFlush(PWMC pwc) -{ - BOOL bRet = 0; - DWORD dwErr = 0; -#ifdef DDRAW - HRESULT ddrval; -#endif - - // Now search through the torus frames and mark used colors - 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(); -#else - bRet = BitBlt(pwc->hDC, 0, 0, pwc->width, pwc->height, - pwc->dib.hDC, 0, 0, SRCCOPY); -#endif - } - - return(TRUE); - -} - -// 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(); - -} - -void toggleStereoMode() -{ - if(!Current->db_flag) - return; - if(!stereo_flag){ - stereo_flag = 1; - if(stereoBuffer==GL_FALSE) -#if !defined(NO_PARALLEL) - if(!parallelFlag) -#endif - { - Current->ScanWidth = Current->pitch*2; - } - } - else { - stereo_flag = 0; -#if !defined(NO_PARALLEL) - if(!parallelFlag) -#endif - Current->ScanWidth = Current->pitch; - Current->pbPixels = Current->addrOffScreen; - } -} - -/* if in stereo mode, the following function is called */ -void glShowStereo(GLuint list) -{ - WMesaShowStereo(list); -} - -#endif // End if NO_STEREO not defined - -#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 !defined(NO_STEREO) - stereo_flag = GL_FALSE ; -#endif - } -} - -void PRShowRenderResult(void) -{ - int flag = 0; - if(!glImageRendered()) - return; - - if (parallelFlag) - { - WMesaSwapBuffers(); - } - -} -#endif //End if NO_PARALLEL not defined - -//end modification - -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]; -} - -#ifdef DDRAW -/* -* restoreAll -* -* restore all lost objects -*/ -static HRESULT DDRestoreAll( WMesaContext wc ) -{ - HRESULT ddrval; - - ddrval = wc->lpDDSPrimary->lpVtbl->Restore(wc->lpDDSPrimary); - if( ddrval == DD_OK ) - { - ddrval = wc->lpDDSOffScreen->lpVtbl->Restore(wc->lpDDSOffScreen); - } - return ddrval; - -} /* restoreAll */ - - - /* - * This function is called if the initialization function fails -*/ -static BOOL initFail( HWND hwnd, WMesaContext wc ) -{ - DDFree(wc); - MessageBox( hwnd, "DirectDraw Init FAILED", "", MB_OK ); - return FALSE; - -} /* initFail */ - - -static void DDDeleteOffScreen(WMesaContext wc) -{ - if( 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->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 ) - { - return initFail(wc->hwnd , wc); - } - 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 ) - { - 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) - ; - 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 -*/ -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 ) - { - return initFail(hwnd,wc); - } - - // Get exclusive mode if requested - if(wc->fullScreen) - { - ddrval = wc->lpDD->lpVtbl->SetCooperativeLevel( wc->lpDD, hwnd, DDSCL_EXCLUSIVE | DDSCL_FULLSCREEN ); - } - else - { - ddrval = wc->lpDD->lpVtbl->SetCooperativeLevel( wc->lpDD, hwnd, DDSCL_NORMAL ); - } - 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 ) - { - 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); -} /* DDInit */ - -static void DDFree( WMesaContext wc) -{ - if( 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 ); - -} -#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); - } -} - - - -/* -* 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) ) - - -/**********************************************************************/ -/*** Triangle rendering ***/ -/**********************************************************************/ - -/* - * XImage, smooth, depth-buffered, PF_8A8B8G8R triangle. - */ -static void smooth_8A8B8G8R_z_triangle( GLcontext *ctx, - GLuint v0, GLuint v1, GLuint v2, - GLuint pv ) -{ - WMesaContext wmesa = (WMesaContext) ctx->DriverCtx; -#define INTERP_Z 1 -#define INTERP_RGB 1 -#define PIXEL_ADDRESS(X,Y) PIXELADDR4(X,Y) -#define PIXEL_TYPE GLuint - //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line) -#define BYTES_PER_ROW (wmesa->ScanWidth) -#define INNER_LOOP( LEFT, RIGHT, Y ) \ - { \ - GLint i, len = RIGHT-LEFT; \ - for (i=0;i<len;i++) { \ - GLdepth z = FixedToDepth(ffz); \ - if (z < zRow[i]) { \ - pRow[i] = PACK_8B8G8R( FixedToInt(ffr), FixedToInt(ffg), \ - FixedToInt(ffb) ); \ - zRow[i] = z; \ - } \ - ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \ - ffz += fdzdx; \ - } \ - } -#ifdef WIN32 - #include "..\tritemp.h" -#else - #include "tritemp.h" -#endif -} - - -/* -* XImage, smooth, depth-buffered, PF_8R8G8B triangle. -*/ -static void smooth_8R8G8B_z_triangle( GLcontext *ctx, - GLuint v0, GLuint v1, GLuint v2, - GLuint pv ) -{ - WMesaContext wmesa = (WMesaContext) ctx->DriverCtx; -#define INTERP_Z 1 -#define INTERP_RGB 1 -#define PIXEL_ADDRESS(X,Y) PIXELADDR4(X,Y) -#define PIXEL_TYPE GLuint - //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line) -#define BYTES_PER_ROW (wmesa->ScanWidth) -#define INNER_LOOP( LEFT, RIGHT, Y ) \ - { \ - GLint i, len = RIGHT-LEFT; \ - for (i=0;i<len;i++) { \ - GLdepth z = FixedToDepth(ffz); \ - if (z < zRow[i]) { \ - pRow[i] = PACK_8R8G8B( FixedToInt(ffr), FixedToInt(ffg), \ - FixedToInt(ffb) ); \ - zRow[i] = z; \ - } \ - ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \ - ffz += fdzdx; \ - } \ - } -#ifdef WIN32 - #include "..\tritemp.h" -#else - #include "tritemp.h" -#endif -} - - - -/* -* XImage, smooth, depth-buffered, PF_5R6G5B triangle. -*/ -static void smooth_5R6G5B_z_triangle( GLcontext *ctx, - GLuint v0, GLuint v1, GLuint v2, - GLuint pv ) -{ - WMesaContext wmesa = (WMesaContext) ctx->DriverCtx; -#define INTERP_Z 1 -#define INTERP_RGB 1 -#define PIXEL_ADDRESS(X,Y) PIXELADDR2(X,Y) -#define PIXEL_TYPE GLushort - //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line) -#define BYTES_PER_ROW (wmesa->ScanWidth) -#define INNER_LOOP( LEFT, RIGHT, Y ) \ - { \ - GLint i, len = RIGHT-LEFT; \ - for (i=0;i<len;i++) { \ - GLdepth z = FixedToDepth(ffz); \ - if (z < zRow[i]) { \ - pRow[i] = PACK_5R6G5B( FixedToInt(ffr), FixedToInt(ffg), \ - FixedToInt(ffb) ); \ - zRow[i] = z; \ - } \ - ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \ - ffz += fdzdx; \ - } \ - } -#ifdef WIN32 - #include "..\tritemp.h" -#else - #include "tritemp.h" -#endif -} - -/* -* XImage, flat, depth-buffered, PF_8A8B8G8R triangle. -*/ -static void flat_8A8B8G8R_z_triangle( GLcontext *ctx, GLuint v0, - GLuint v1, GLuint v2, GLuint pv ) -{ - WMesaContext wmesa = (WMesaContext) ctx->DriverCtx; -#define INTERP_Z 1 -#define PIXEL_ADDRESS(X,Y) PIXELADDR4(X,Y) -#define PIXEL_TYPE GLuint - //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line) -#define BYTES_PER_ROW (wmesa->ScanWidth) -#define SETUP_CODE \ - unsigned long p = PACK_8B8G8R( VB->Color[pv][0], \ - VB->Color[pv][1], VB->Color[pv][2] ); -#define INNER_LOOP( LEFT, RIGHT, Y ) \ - { \ - GLint i, len = RIGHT-LEFT; \ - for (i=0;i<len;i++) { \ - GLdepth z = FixedToDepth(ffz); \ - if (z < zRow[i]) { \ - pRow[i] = p; \ - zRow[i] = z; \ - } \ - ffz += fdzdx; \ - } \ - } -#ifdef WIN32 - #include "..\tritemp.h" -#else - #include "tritemp.h" -#endif -} - - -/* -* XImage, flat, depth-buffered, PF_8R8G8B triangle. -*/ -static void flat_8R8G8B_z_triangle( GLcontext *ctx, GLuint v0, GLuint v1, - GLuint v2, GLuint pv ) -{ - WMesaContext wmesa = (WMesaContext) ctx->DriverCtx; -#define INTERP_Z 1 -#define PIXEL_ADDRESS(X,Y) PIXELADDR4(X,Y) -#define PIXEL_TYPE GLuint - //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line) -#define BYTES_PER_ROW (wmesa->ScanWidth) -#define SETUP_CODE \ - unsigned long p = PACK_8R8G8B( VB->Color[pv][0], \ - VB->Color[pv][1], VB->Color[pv][2] ); -#define INNER_LOOP( LEFT, RIGHT, Y ) \ - { \ - GLint i, len = RIGHT-LEFT; \ - for (i=0;i<len;i++) { \ - GLdepth z = FixedToDepth(ffz); \ - if (z < zRow[i]) { \ - pRow[i] = p; \ - zRow[i] = z; \ - } \ - ffz += fdzdx; \ - } \ - } -#ifdef WIN32 - #include "..\tritemp.h" -#else - #include "tritemp.h" -#endif -} - - -/* -* XImage, flat, depth-buffered, PF_5R6G5B triangle. -*/ -static void flat_5R6G5B_z_triangle( GLcontext *ctx, GLuint v0, GLuint v1, - GLuint v2, GLuint pv ) -{ - WMesaContext wmesa = (WMesaContext) ctx->DriverCtx; -#define INTERP_Z 1 -#define PIXEL_ADDRESS(X,Y) PIXELADDR2(X,Y) -#define PIXEL_TYPE GLushort - //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line) -#define BYTES_PER_ROW (wmesa->ScanWidth) -#define SETUP_CODE \ - unsigned long p = PACK_5R6G5B( VB->Color[pv][0], \ - VB->Color[pv][1], VB->Color[pv][2] ); -#define INNER_LOOP( LEFT, RIGHT, Y ) \ - { \ - GLint i, len = RIGHT-LEFT; \ - for (i=0;i<len;i++) { \ - GLdepth z = FixedToDepth(ffz); \ - if (z < zRow[i]) { \ - pRow[i] = p; \ - zRow[i] = z; \ - } \ - ffz += fdzdx; \ - } \ - } -#ifdef WIN32 - #include "..\tritemp.h" -#else - #include "tritemp.h" -#endif -} - - -/* -* XImage, smooth, NON-depth-buffered, PF_8A8B8G8R triangle. -*/ -static void smooth_8A8B8G8R_triangle( GLcontext *ctx, GLuint v0, GLuint v1, - GLuint v2, GLuint pv ) -{ - WMesaContext wmesa = (WMesaContext) ctx->DriverCtx; -#define INTERP_RGB 1 -#define PIXEL_ADDRESS(X,Y) PIXELADDR4(X,Y) -#define PIXEL_TYPE GLuint - //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line) -#define BYTES_PER_ROW (wmesa->ScanWidth) -#define INNER_LOOP( LEFT, RIGHT, Y ) \ - { \ - GLint xx; \ - PIXEL_TYPE *pixel = pRow; \ - for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \ - *pixel = PACK_8B8G8R( FixedToInt(ffr), FixedToInt(ffg), \ - FixedToInt(ffb) ); \ - ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \ - } \ - } -#ifdef WIN32 - #include "..\tritemp.h" -#else - #include "tritemp.h" -#endif -} - - -/* -* XImage, smooth, NON-depth-buffered, PF_8R8G8B triangle. -*/ -static void smooth_8R8G8B_triangle( GLcontext *ctx, GLuint v0, GLuint v1, - GLuint v2, GLuint pv ) -{ - WMesaContext wmesa = (WMesaContext) ctx->DriverCtx; -#define INTERP_RGB 1 -#define PIXEL_ADDRESS(X,Y) PIXELADDR4(X,Y) -#define PIXEL_TYPE GLuint - //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line) -#define BYTES_PER_ROW (wmesa->ScanWidth) -#define INNER_LOOP( LEFT, RIGHT, Y ) \ - { \ - GLint xx; \ - PIXEL_TYPE *pixel = pRow; \ - for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \ - *pixel = PACK_8R8G8B( FixedToInt(ffr), FixedToInt(ffg), \ - FixedToInt(ffb) ); \ - ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \ - } \ - } -#ifdef WIN32 - #include "..\tritemp.h" -#else - #include "tritemp.h" -#endif -} - - -/* -* XImage, smooth, NON-depth-buffered, PF_5R6G5B triangle. -*/ -static void smooth_5R6G5B_triangle( GLcontext *ctx, GLuint v0, GLuint v1, - GLuint v2, GLuint pv ) -{ - WMesaContext wmesa = (WMesaContext) ctx->DriverCtx; -#define INTERP_RGB 1 -#define PIXEL_ADDRESS(X,Y) PIXELADDR2(X,Y) -#define PIXEL_TYPE GLushort - //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line) -#define BYTES_PER_ROW (wmesa->ScanWidth) -#define INNER_LOOP( LEFT, RIGHT, Y ) \ - { \ - GLint xx; \ - PIXEL_TYPE *pixel = pRow; \ - for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \ - *pixel = PACK_5R6G5B( FixedToInt(ffr), FixedToInt(ffg), \ - FixedToInt(ffb) ); \ - ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \ - } \ - } -#ifdef WIN32 - #include "..\tritemp.h" -#else - #include "tritemp.h" -#endif -} - - - -/* -* XImage, flat, NON-depth-buffered, PF_8A8B8G8R triangle. -*/ -static void flat_8A8B8G8R_triangle( GLcontext *ctx, GLuint v0, - GLuint v1, GLuint v2, GLuint pv ) -{ - WMesaContext wmesa = (WMesaContext) ctx->DriverCtx; -#define PIXEL_ADDRESS(X,Y) PIXELADDR4(X,Y) -#define PIXEL_TYPE GLuint - //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line) -#define BYTES_PER_ROW (wmesa->ScanWidth) -#define SETUP_CODE \ - unsigned long p = PACK_8B8G8R( VB->Color[pv][0], \ - VB->Color[pv][1], VB->Color[pv][2] ); -#define INNER_LOOP( LEFT, RIGHT, Y ) \ - { \ - GLint xx; \ - PIXEL_TYPE *pixel = pRow; \ - for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \ - *pixel = p; \ - } \ - } -#ifdef WIN32 - #include "..\tritemp.h" -#else - #include "tritemp.h" -#endif -} - - -/* -* XImage, flat, NON-depth-buffered, PF_8R8G8B triangle. -*/ -static void flat_8R8G8B_triangle( GLcontext *ctx, GLuint v0, GLuint v1, - GLuint v2, GLuint pv ) -{ - WMesaContext wmesa = (WMesaContext) ctx->DriverCtx; -#define PIXEL_ADDRESS(X,Y) PIXELADDR4(X,Y) -#define PIXEL_TYPE GLuint - //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line) -#define BYTES_PER_ROW (wmesa->ScanWidth) -#define SETUP_CODE \ - unsigned long p = PACK_8R8G8B( VB->Color[pv][0], \ - VB->Color[pv][1], VB->Color[pv][2] ); -#define INNER_LOOP( LEFT, RIGHT, Y ) \ - { \ - GLint xx; \ - PIXEL_TYPE *pixel = pRow; \ - for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \ - *pixel = p; \ - } \ - } -#ifdef WIN32 - #include "..\tritemp.h" -#else - #include "tritemp.h" -#endif -} - - -/* -* XImage, flat, NON-depth-buffered, PF_5R6G5B triangle. -*/ -static void flat_5R6G5B_triangle( GLcontext *ctx, GLuint v0, GLuint v1, - GLuint v2, GLuint pv ) -{ - WMesaContext wmesa = (WMesaContext) ctx->DriverCtx; -#define PIXEL_ADDRESS(X,Y) PIXELADDR2(X,Y) -#define PIXEL_TYPE GLushort - //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line) -#define BYTES_PER_ROW (wmesa->ScanWidth) -#define SETUP_CODE \ - unsigned long p = PACK_5R6G5B( VB->Color[pv][0], \ - VB->Color[pv][1], VB->Color[pv][2] ); -#define INNER_LOOP( LEFT, RIGHT, Y ) \ - { \ - GLint xx; \ - PIXEL_TYPE *pixel = pRow; \ - for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \ - *pixel = p; \ - } \ - } -#ifdef WIN32 - #include "..\tritemp.h" -#else - #include "tritemp.h" -#endif -} - - -/* -* XImage, smooth, depth-buffered, 8-bit PF_LOOKUP triangle. -*/ - -static void smooth_ci_z_triangle( GLcontext *ctx, GLuint v0, GLuint v1, - GLuint v2, GLuint pv ) -{ - WMesaContext wmesa = (WMesaContext) ctx->DriverCtx; -#define INTERP_Z 1 -#define INTERP_INDEX 1 -#define PIXEL_ADDRESS(X,Y) PIXELADDR1(X,Y) -#define PIXEL_TYPE GLubyte -#define BYTES_PER_ROW (wmesa->ScanWidth) -#define INNER_LOOP( LEFT, RIGHT, Y ) \ - { \ - GLint i, len = RIGHT-LEFT; \ - for (i=0;i<len;i++) { \ - GLdepth z = FixedToDepth(ffz); \ - if (z < zRow[i]) { \ - pRow[i] = FixedToInt(ffi); \ - zRow[i] = z; \ - } \ - ffi += fdidx; \ - ffz += fdzdx; \ - } \ - } - -#ifdef WIN32 - #include "..\tritemp.h" -#else - #include "tritemp.h" -#endif -} - - -/* -* XImage, flat, depth-buffered, 8-bit PF_LOOKUP triangle. -*/ - -static void flat_ci_z_triangle( GLcontext *ctx, GLuint v0, GLuint v1, - GLuint v2, GLuint pv ) -{ - WMesaContext wmesa = (WMesaContext) ctx->DriverCtx; -#define INTERP_Z 1 -#define PIXEL_ADDRESS(X,Y) PIXELADDR1(X,Y) -#define PIXEL_TYPE GLubyte -#define BYTES_PER_ROW (wmesa->ScanWidth) -#define SETUP_CODE \ - GLuint index = VB->Index[pv]; \ - if (!VB->MonoColor) { \ - /* set the color index */ \ - (*ctx->Driver.Index)( ctx, index ); \ - } -#define INNER_LOOP( LEFT, RIGHT, Y ) \ - { \ - GLint i, len = RIGHT-LEFT; \ - for (i=0;i<len;i++) { \ - GLdepth z = FixedToDepth(ffz); \ - if (z < zRow[i]) { \ - pRow[i] = index; \ - zRow[i] = z; \ - } \ - ffz += fdzdx; \ - } \ - } -#ifdef WIN32 - #include "..\tritemp.h" -#else - #include "tritemp.h" -#endif -} - - - -/* -* XImage, smooth, NON-depth-buffered, 8-bit PF_LOOKUP triangle. -*/ - -static void smooth_ci_triangle( GLcontext *ctx, GLuint v0, GLuint v1, - GLuint v2, GLuint pv ) -{ - WMesaContext wmesa = (WMesaContext) ctx->DriverCtx; -#define INTERP_Z 1 -#define INTERP_INDEX 1 -#define PIXEL_ADDRESS(X,Y) PIXELADDR1(X,Y) -#define PIXEL_TYPE GLubyte -#define BYTES_PER_ROW (wmesa->ScanWidth) -#define INNER_LOOP( LEFT, RIGHT, Y ) \ - { \ - GLint xx; \ - PIXEL_TYPE *pixel = pRow; \ - for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \ - *pixel = FixedToInt(ffi); \ - ffi += fdidx; \ - } \ - } -#ifdef WIN32 - #include "..\tritemp.h" -#else - #include "tritemp.h" -#endif -} - - -/* -* XImage, flat, NON-depth-buffered, 8-bit PF_LOOKUP triangle. -*/ -static void flat_ci_triangle( GLcontext *ctx, GLuint v0, GLuint v1, - GLuint v2, GLuint pv ) -{ - WMesaContext wmesa = (WMesaContext) ctx->DriverCtx; -#define INTERP_Z 1 -#define PIXEL_ADDRESS(X,Y) PIXELADDR1(X,Y) -#define PIXEL_TYPE GLubyte -#define BYTES_PER_ROW (wmesa->ScanWidth) -#define SETUP_CODE \ - GLuint index = VB->Index[pv]; \ - if (!VB->MonoColor) { \ - /* set the color index */ \ - (*ctx->Driver.Index)( ctx, index ); \ - } -#define INNER_LOOP( LEFT, RIGHT, Y ) \ - { \ - GLint xx; \ - PIXEL_TYPE *pixel = pRow; \ - for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \ - *pixel = index; \ - } \ - } -#ifdef WIN32 - #include "..\tritemp.h" -#else - #include "tritemp.h" -#endif -} - -/* -* XImage, smooth, depth-buffered, 8-bit, PF_DITHER8 triangle. -*/ -static void smooth_DITHER8_z_triangle( GLcontext *ctx, - GLuint v0, GLuint v1, GLuint v2, - GLuint pv ) -{ - WMesaContext wmesa = (WMesaContext) ctx->DriverCtx; - DITHER_RGB_TO_8BIT_SETUP -#define INTERP_Z 1 -#define INTERP_RGB 1 -#define PIXEL_ADDRESS(X,Y) PIXELADDR1(X,Y) -#define PIXEL_TYPE GLubyte -#define BYTES_PER_ROW (wmesa->ScanWidth) -#define INNER_LOOP( LEFT, RIGHT, Y ) \ - { \ - GLint i, xx = LEFT, yy = FLIP(Y), len = RIGHT-LEFT; \ - for (i=0;i<len;i++,xx++) { \ - GLdepth z = FixedToDepth(ffz); \ - if (z < zRow[i]) { \ - DITHER_RGB_TO_8BIT( FixedToInt(ffr), FixedToInt(ffg), \ - FixedToInt(ffb), xx, yy); \ - pRow[i] = pixelDithered; \ - zRow[i] = z; \ - } \ - ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \ - ffz += fdzdx; \ - } \ - } -#ifdef WIN32 - #include "..\tritemp.h" -#else - #include "tritemp.h" -#endif -} - -/* -* XImage, flat, depth-buffered, 8-bit PF_DITHER triangle. -*/ -static void flat_DITHER8_z_triangle( GLcontext *ctx, GLuint v0, GLuint v1, - GLuint v2, GLuint pv ) -{ - WMesaContext wmesa = (WMesaContext) ctx->DriverCtx; - DITHER_RGB_TO_8BIT_SETUP -#define INTERP_Z 1 -#define PIXEL_ADDRESS(X,Y) PIXELADDR1(X,Y) -#define PIXEL_TYPE GLubyte -#define BYTES_PER_ROW (wmesa->ScanWidth) - -#define INNER_LOOP( LEFT, RIGHT, Y ) \ - { \ - GLint i, xx = LEFT, yy = FLIP(Y), len = RIGHT-LEFT; \ - for (i=0;i<len;i++,xx++) { \ - GLdepth z = FixedToDepth(ffz); \ - if (z < zRow[i]) { \ - DITHER_RGB_TO_8BIT( VB->Color[pv][0], \ - VB->Color[pv][1], VB->Color[pv][2], xx, yy); \ - pRow[i] = pixelDithered; \ - zRow[i] = z; \ - } \ - ffz += fdzdx; \ - } \ - } -#ifdef WIN32 - #include "..\tritemp.h" -#else - #include "tritemp.h" -#endif -} - -/* -* XImage, smooth, NON-depth-buffered, 8-bit PF_DITHER triangle. -*/ -static void smooth_DITHER8_triangle( GLcontext *ctx, GLuint v0, GLuint v1, - GLuint v2, GLuint pv ) -{ - WMesaContext wmesa = (WMesaContext) ctx->DriverCtx; - DITHER_RGB_TO_8BIT_SETUP -#define INTERP_RGB 1 -#define PIXEL_ADDRESS(X,Y) PIXELADDR1(X,Y) -#define PIXEL_TYPE GLubyte -#define BYTES_PER_ROW (wmesa->ScanWidth) -#define INNER_LOOP( LEFT, RIGHT, Y ) \ - { \ - GLint xx, yy = FLIP(Y); \ - PIXEL_TYPE *pixel = pRow; \ - for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \ - DITHER_RGB_TO_8BIT( VB->Color[pv][0], VB->Color[pv][1], VB->Color[pv][2], xx, yy);\ - *pixel = pixelDithered; \ - ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \ - } \ - } -#ifdef WIN32 - #include "..\tritemp.h" -#else - #include "tritemp.h" -#endif -} - -/* -* XImage, flat, NON-depth-buffered, 8-bit PF_DITHER triangle. -*/ - -static void flat_DITHER8_triangle( GLcontext *ctx, GLuint v0, GLuint v1, - GLuint v2, GLuint pv ) -{ - WMesaContext wmesa = (WMesaContext) ctx->DriverCtx; - DITHER_RGB_TO_8BIT_SETUP -#define PIXEL_ADDRESS(X,Y) PIXELADDR1(X,Y) -#define PIXEL_TYPE GLubyte -#define BYTES_PER_ROW (wmesa->ScanWidth) - -#define INNER_LOOP( LEFT, RIGHT, Y ) \ - { \ - GLint xx, yy = FLIP(Y); \ - PIXEL_TYPE *pixel = pRow; \ - for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \ - DITHER_RGB_TO_8BIT( VB->Color[pv][0], \ - VB->Color[pv][1], VB->Color[pv][2], xx, yy); \ - *pixel = pixelDithered; \ - } \ - } -#ifdef WIN32 - #include "..\tritemp.h" -#else - #include "tritemp.h" -#endif -} - - - - -static triangle_func choose_triangle_function( GLcontext *ctx ) -{ - WMesaContext wmesa = (WMesaContext) ctx->DriverCtx; - int depth = wmesa->cColorBits; - - if (ctx->Polygon.SmoothFlag) return NULL; - if (ctx->Texture.Enabled) return NULL; - if (!wmesa->db_flag) return NULL; - /*if (wmesa->xm_buffer->buffer==XIMAGE)*/ { - if ( ctx->Light.ShadeModel==GL_SMOOTH - && ctx->_RasterMask==DEPTH_BIT - && ctx->Depth.Func==GL_LESS - && ctx->Depth.Mask==GL_TRUE - && ctx->Polygon.StippleFlag==GL_FALSE) { - switch (wmesa->pixelformat) { - case PF_8A8B8G8R: - return smooth_8A8B8G8R_z_triangle; - case PF_8R8G8B: - return smooth_8R8G8B_z_triangle; - case PF_5R6G5B: - return smooth_5R6G5B_z_triangle; - case PF_DITHER8: - return smooth_DITHER8_z_triangle; - case PF_INDEX8: - return smooth_ci_z_triangle; - default: - return NULL; - } - } - if ( ctx->Light.ShadeModel==GL_FLAT - && ctx->_RasterMask==DEPTH_BIT - && ctx->Depth.Func==GL_LESS - && ctx->Depth.Mask==GL_TRUE - && ctx->Polygon.StippleFlag==GL_FALSE) { - switch (wmesa->pixelformat) { - case PF_8A8B8G8R: - return flat_8A8B8G8R_z_triangle; - case PF_8R8G8B: - return flat_8R8G8B_z_triangle; - case PF_5R6G5B: - return flat_5R6G5B_z_triangle; - case PF_DITHER8: - return flat_DITHER8_z_triangle; - case PF_INDEX8: - return flat_ci_z_triangle; - default: - return NULL; - } - } - if ( ctx->_RasterMask==0 /* no depth test */ - && ctx->Light.ShadeModel==GL_SMOOTH - && ctx->Polygon.StippleFlag==GL_FALSE) { - switch (wmesa->pixelformat) { - case PF_8A8B8G8R: - return smooth_8A8B8G8R_triangle; - case PF_8R8G8B: - return smooth_8R8G8B_triangle; - case PF_5R6G5B: - return smooth_5R6G5B_triangle; - case PF_DITHER8: - return smooth_DITHER8_triangle; - case PF_INDEX8: - return smooth_ci_triangle; - default: - return NULL; - } - } - - if ( ctx->_RasterMask==0 /* no depth test */ - && ctx->Light.ShadeModel==GL_FLAT - && ctx->Polygon.StippleFlag==GL_FALSE) { - switch (wmesa->pixelformat) { - case PF_8A8B8G8R: - return flat_8A8B8G8R_triangle; - case PF_8R8G8B: - return flat_8R8G8B_triangle; - case PF_5R6G5B: - return flat_5R6G5B_triangle; - case PF_DITHER8: - return flat_DITHER8_triangle; - case PF_INDEX8: - return flat_ci_triangle; - default: - return NULL; - } - } - - return NULL; - } -} - -/* -* 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 ) -{ - /* Save viewport */ - ctx->Viewport.X = x; - ctx->Viewport.Width = width; - ctx->Viewport.Y = y; - ctx->Viewport.Height = height; - - /* compute scale and bias values */ - ctx->Viewport.Sx = (GLfloat) width / 2.0F; - ctx->Viewport.Tx = ctx->Viewport.Sx + x; - ctx->Viewport.Sy = (GLfloat) height / 2.0F; - ctx->Viewport.Ty = ctx->Viewport.Sy + y; -} |