diff options
Diffstat (limited to 'src/mesa/drivers/windows/wmesa.c')
| -rw-r--r-- | src/mesa/drivers/windows/wmesa.c | 3312 |
1 files changed, 0 insertions, 3312 deletions
diff --git a/src/mesa/drivers/windows/wmesa.c b/src/mesa/drivers/windows/wmesa.c deleted file mode 100644 index 456050b9fc..0000000000 --- a/src/mesa/drivers/windows/wmesa.c +++ /dev/null @@ -1,3312 +0,0 @@ -/* $Id: wmesa.c,v 1.44 2003/03/01 01:50:24 brianp Exp $ */ - -/* - * Windows (Win32) device driver for Mesa 3.4 - * - * Original author: - * - * Copyright (C) 1996- Li Wei - * Address : Institute of Artificial Intelligence - * : & Robotics - * : Xi'an Jiaotong University - * Email : liwei@aiar.xjtu.edu.cn - * 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 - * (mark@rsinc.com). - * - * Updated for Mesa 4.0 by Karl Schultz (kschultz@sourceforge.net) - */ - -#ifdef NDEBUG -#pragma auto_inline(on) -#pragma inline_depth(255) -#pragma inline_recursion(on) -#endif - -#include "wmesadef.h" -#include <GL/wmesa.h> -#include "mesa_extend.h" - -#include "glheader.h" -#include "colors.h" -#include "context.h" -#include "colormac.h" -#include "dd.h" -#include "depth.h" -#include "extensions.h" -#include "imports.h" -#include "macros.h" -#include "matrix.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 -#ifdef USE_WING -#include <wing.h> -#endif // USE_WING -#endif - -#ifdef __CYGWIN32__ -#include "macros.h" -#include <string.h> -#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" -#endif - - -/* File global varaibles */ -struct DISPLAY_OPTIONS displayOptions = -{ - 0, // stereo - 0, // fullScreen - 0, // full screen mode (1,2,3,4) - 0 // bpp (8,16,24,32) -}; -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 ; - -static PWMC Current = NULL; -WMesaContext WC = NULL; - -#ifdef COMPILE_SETPIXEL - -#if defined(_MSC_VER) && _MSC_VER >= 1200 -#define FORCEINLINE __forceinline -#else -#define FORCEINLINE __inline -#endif - -FORCEINLINE void wmSetPixel(PWMC pwc, int iScanLine, int iPixel, BYTE r, BYTE g, BYTE b) -{ - pwc->wmSetPixel(pwc,iScanLine,iPixel,r,g,b); -} - -void ChooseSetPixel(PWMC pwc); - -#endif // COMPILE_SETPIXEL - -/* 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_RELEASEDC - -#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]; \ -} - -#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); - -// define this to use the GDI Rectangle call to -// clear the back buffer. Otherwise will manually -// set the pixels. On an NVidia GEForce 2MX under Windows XP -// and DirectX 8 , defining this makes apps run much much faster -#define USE_GDI_TO_CLEAR 1 -#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, // 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 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 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); -#ifdef USE_MAPPED_FILE - UnmapViewOfFile(pwc->dib.base); - CloseHandle(pwc->dib.hFileMap); -#endif - 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; -} - -#if 0 -// D.R.S. 10/30/01 - this function is never referenced -/* - * 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; -} -#endif // 0 - -#if defined(FAST_RASTERIZERS) - -#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) - -#endif // 0 - -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 */ -} - - -static void flush(GLcontext* ctx) -{ - if((Current->rgb_flag &&!(Current->db_flag)) - ||(!Current->rgb_flag)) - { - wmFlush(Current); - } - -} - - - -/* - * Set the color index used to clear the color buffer. - */ -static void clear_index(GLcontext* ctx, GLuint index) -{ - Current->clearpixel = index; -} - - - -/* - * Set the color used to clear the color buffer. - */ -static void clear_color( GLcontext* ctx, const GLfloat color[4] ) -{ - GLubyte col[4]; - CLAMPED_FLOAT_TO_UBYTE(col[0], color[0]); - CLAMPED_FLOAT_TO_UBYTE(col[1], color[1]); - CLAMPED_FLOAT_TO_UBYTE(col[2], color[2]); - Current->clearpixel = RGB(col[0], col[1], col[2]); -} - - -/* - * Clear the specified region of the color buffer using the clear color - * or index as specified by one of the two functions above. - * - * This procedure clears either the front and/or the back COLOR buffers. - * Only the "left" buffer is cleared since we are not stereo. - * Clearing of the other non-color buffers is left to the swrast. - * We also only clear the color buffers if the color masks are all 1's. - * Otherwise, we let swrast do it. - */ - -static clear(GLcontext* ctx, GLbitfield mask, - GLboolean all, GLint x, GLint y, GLint width, GLint height) -{ - const GLuint *colorMask = (GLuint *) &ctx->Color.ColorMask; - - if (all){ - x=y=0; - width=Current->width; - height=Current->height; - } - - - /* sanity check - can't have right(stereo) buffers */ - assert((mask & (DD_FRONT_RIGHT_BIT | DD_BACK_RIGHT_BIT)) == 0); - - /* clear alpha */ - if ((mask & (DD_FRONT_LEFT_BIT | DD_BACK_LEFT_BIT)) && - ctx->DrawBuffer->UseSoftwareAlphaBuffers && - ctx->Color.ColorMask[ACOMP]) { - _mesa_clear_alpha_buffers( ctx ); - } - - if (*colorMask == 0xffffffff && ctx->Color.IndexMask == 0xffffffff) { - if (mask & DD_BACK_LEFT_BIT) { -#if defined(USE_GDI_TO_CLEAR) -#if defined(DDRAW) - // D.R.S. 10/29/01 on my system (Pentium 4 with nvidia GeForce2 MX card, - // this is almose 100 times faster that the code below - HDC DC=NULL; - HPEN Pen=CreatePen(PS_SOLID,1,Current->clearpixel); - HBRUSH Brush=CreateSolidBrush(Current->clearpixel); - HPEN Old_Pen=NULL; - HBRUSH Old_Brush=NULL; - Current->lpDDSOffScreen->lpVtbl->Unlock(Current->lpDDSOffScreen,NULL); - Current->lpDDSOffScreen->lpVtbl->GetDC(Current->lpDDSOffScreen,&DC); - Old_Pen=SelectObject(DC,Pen); - 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); - Current->lpDDSOffScreen->lpVtbl->ReleaseDC(Current->lpDDSOffScreen,DC); - while (Current->lpDDSOffScreen->lpVtbl->Lock(Current->lpDDSOffScreen,NULL, &(Current->ddsd), 0, NULL) == DDERR_WASSTILLDRAWING); - - mask &= ~DD_BACK_LEFT_BIT; -#else - /* 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+Current->rectSurface.left,Current->rectSurface.top+y,x+width+Current->rectSurface.left,y+height+Current->rectSurface.top); - - SelectObject(DC,Old_Pen); - SelectObject(DC,Old_Brush); - DeleteObject(Pen); - DeleteObject(Brush); - DD_RELEASEDC; - mask &= ~DD_BACK_LEFT_BIT; -#endif // DDRAW -#else - DWORD dwColor; - WORD wColor; - BYTE bColor; - LPDWORD lpdw = (LPDWORD)Current->pbPixels; - LPWORD lpw = (LPWORD)Current->pbPixels; - LPBYTE lpb = Current->pbPixels; - int lines; - /* Double-buffering - clear back buffer */ - UINT nBypp = Current->cColorBits / 8; - int i = 0; - int iSize = 0; - int mult = 4; - - - assert(Current->db_flag==GL_TRUE); /* we'd better be double buffer */ - if(nBypp ==1 ){ - iSize = Current->width/4; - bColor = BGR8(GetRValue(Current->clearpixel), - GetGValue(Current->clearpixel), - GetBValue(Current->clearpixel)); - wColor = MAKEWORD(bColor,bColor); - dwColor = MAKELONG(wColor, wColor); - } - else 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 == 3){ - BYTE r, g, b; - r = GetRValue(Current->clearpixel); - g = GetGValue(Current->clearpixel); - b = GetBValue(Current->clearpixel); - iSize = Current->width; - while (i < iSize) { - *lpb++ = b; - *lpb++ = g; - *lpb++ = r; - i++; - } - lpb = Current->pbPixels + Current->ScanWidth; - mult = 3; - } - else if(nBypp == 4){ - iSize = Current->width; - dwColor = BGR32(GetRValue(Current->clearpixel), - GetGValue(Current->clearpixel), - GetBValue(Current->clearpixel)); - } - - if (nBypp != 3) - { - /* clear a line */ - while(i < iSize){ - *lpdw = dwColor; - lpdw++; - i++; - } - } - - i = 0; - if (stereo_flag) - lines = height /2; - else - lines = height; - /* copy cleared line to other lines in buffer */ - do { - memcpy(lpb, Current->pbPixels, iSize*mult); - lpb += Current->ScanWidth; - i++; - } - while (i<lines-1); - mask &= ~DD_BACK_LEFT_BIT; -#endif // defined(USE_GDI_TO_CLEAR) - } /* double-buffer */ - - if (mask & DD_FRONT_LEFT_BIT) { - /* 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+Current->rectSurface.left,Current->rectSurface.top+y,x+width+Current->rectSurface.left,y+height+Current->rectSurface.top); - - SelectObject(DC,Old_Pen); - SelectObject(DC,Old_Brush); - DeleteObject(Pen); - DeleteObject(Brush); - DD_RELEASEDC; - mask &= ~DD_FRONT_LEFT_BIT; - } /* single-buffer */ - } /* if masks are all 1's */ - - /* Call swrast if there is anything left to clear (like DEPTH) */ - 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; - } - } -} - - - -static void set_buffer(GLcontext *ctx, GLframebuffer *colorBuffer, - GLuint bufferBit ) -{ - /* XXX todo - examine bufferBit and set read/write pointers */ - return; -} - - - -/* Return characteristics of the output buffer. */ -static void buffer_size( GLframebuffer *buffer, GLuint *width, GLuint *height ) -{ - GET_CURRENT_CONTEXT(ctx); - 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){ -#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 - } -} - - - -/**********************************************************************/ -/***** 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 ) -{ -} - -/* Return pointer to accelerated points function */ -extern points_func choose_points_function( GLcontext* ctx ) -{ - return NULL; -} - -static void fast_flat_rgb_line( GLcontext* ctx, GLuint v0, - GLuint v1, GLuint pv ) -{ -} - -static line_func choose_line_function( GLcontext* ctx ) -{ -} - - -/**********************************************************************/ -/***** 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[] ) -{ - 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 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[] ) -{ - 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. - */ -static void write_mono_ci_span(const GLcontext* ctx, - GLuint n,GLint x,GLint y, - GLuint colorIndex, const GLubyte mask[]) -{ - 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; -} - -/* - * 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[] ) -{ - 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])); - } - } -} - -/* 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[] ) -{ - 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])); - } - } -} - -/* - * 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[]) -{ - GLuint i; - 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 - { - HDC DC=DD_GETDC; - ULONG pixel = RGB( color[RCOMP], color[GCOMP], color[BCOMP] ); - for (i=0; i<n; i++) - if (mask[i]) - SetPixel(DC, y, x+i, pixel); - DD_RELEASEDC; - } -} - - - -/**********************************************************************/ -/***** 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[] ) -{ - 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. - */ -static void write_mono_ci_pixels( const GLcontext* ctx, - GLuint n, - const GLint x[], const GLint y[], - GLuint colorIndex, const GLubyte mask[] ) -{ - 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; - } - } -} - - - -/* 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[] ) -{ - 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. - */ -static void write_mono_rgba_pixels( const GLcontext* ctx, - GLuint n, - const GLint x[], const GLint y[], - const GLchan color[4], - const GLubyte mask[] ) -{ - 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; -} - - - -/**********************************************************************/ -/***** 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[]) -{ - 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]; -} - - - - -/* 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[] ) -{ - 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]); - } - } -} - - - -/* Read a horizontal span of color pixels. */ -static void read_rgba_span( const GLcontext* ctx, - GLuint n, GLint x, GLint y, - GLubyte rgba[][4] ) -{ - 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; -} - - -/* 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[] ) -{ - 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; -} - - - -/**********************************************************************/ -/**********************************************************************/ - - -static const GLubyte *get_string(GLcontext *ctx, GLenum name) -{ - if (name == GL_RENDERER) { - return (GLubyte *) "Mesa Windows"; - } - else { - return NULL; - } -} - -static void wmesa_update_state( GLcontext *ctx, GLuint new_state ); - -static void SetFunctionPointers(GLcontext *ctx) -{ - struct swrast_device_driver *swdd = _swrast_GetDeviceDriverReference( ctx ); - ctx->Driver.GetString = get_string; - ctx->Driver.UpdateState = wmesa_update_state; - ctx->Driver.ResizeBuffers = _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.DrawBuffer = _swrast_DrawBuffer; - - 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.CompressedTexImage1D = _mesa_store_compressed_teximage1d; - ctx->Driver.CompressedTexImage2D = _mesa_store_compressed_teximage2d; - ctx->Driver.CompressedTexImage3D = _mesa_store_compressed_teximage3d; - ctx->Driver.CompressedTexSubImage1D = _mesa_store_compressed_texsubimage1d; - ctx->Driver.CompressedTexSubImage2D = _mesa_store_compressed_texsubimage2d; - ctx->Driver.CompressedTexSubImage3D = _mesa_store_compressed_texsubimage3d; - - 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; - - swdd->SetBuffer = set_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; - -} - -static void wmesa_update_state( GLcontext *ctx, GLuint new_state ) -{ - 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. - */ -#ifndef SET_FPOINTERS_ONCE - SetFunctionPointers(ctx); -#if 0 - ctx->Driver.GetString = get_string; - ctx->Driver.UpdateState = wmesa_update_state; - ctx->Driver.ResizeBuffers = _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.CompressedTexImage1D = _mesa_store_compressed_teximage1d; - ctx->Driver.CompressedTexImage2D = _mesa_store_compressed_teximage2d; - ctx->Driver.CompressedTexImage3D = _mesa_store_compressed_teximage3d; - ctx->Driver.CompressedTexSubImage1D = _mesa_store_compressed_texsubimage1d; - ctx->Driver.CompressedTexSubImage2D = _mesa_store_compressed_texsubimage2d; - ctx->Driver.CompressedTexSubImage3D = _mesa_store_compressed_texsubimage3d; - - 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; - - swdd->SetBuffer = set_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; -#endif // 0 -#endif // !SET_FPOINTERS_ONCE - 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 *****/ -/**********************************************************************/ - - - -#define PAL_SIZE 256 -static void GetPalette(HPALETTE Pal,RGBQUAD *aRGB) -{ - 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; - } -} - - -WMesaContext WMesaCreateContext( HWND hWnd, HPALETTE* Pal, - GLboolean rgb_flag, - GLboolean db_flag, - GLboolean alpha_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; -#ifdef USE_WING - c->hPalHalfTone = WinGCreateHalftonePalette(); -#else - c->hPalHalfTone = CreateHalftonePalette(c->hDC); -#endif - } - else - c->dither_flag = GL_FALSE; -#else - c->dither_flag = GL_FALSE; -#endif - - - if (rgb_flag==GL_FALSE) - { - 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 - { - c->rgb_flag = GL_TRUE; - } - GetClientRect(c->Window,&CR); - c->width=CR.right; - c->height=CR.bottom; - if (db_flag) - { - c->db_flag = 1; - /* Double buffered */ -#ifndef DDRAW - { - 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 = _mesa_create_visual(rgb_flag, - db_flag, /* db_flag */ - GL_FALSE, /* stereo */ - 8,8,8, /* r, g, b bits */ - alpha_flag ? 8 : 0, /* alpha bits */ - 0, /* index bits */ - 16, /* depth_bits */ - 8, /* stencil_bits */ - 16,16,16,/* accum_bits */ - alpha_flag ? 16 : 0, /* alpha accum */ - 1); - - if (!c->gl_visual) { - return NULL; - } - - /* allocate a new Mesa context */ - c->gl_ctx = _mesa_create_context( c->gl_visual, NULL, (void *) c, GL_FALSE ); - - if (!c->gl_ctx) { - _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); - _mesa_enable_1_4_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, - alpha_flag /* 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 ); - -#ifdef SET_FPOINTERS_ONCE - SetFunctionPointers(ctx); -#endif // SET_FPOINTERS_ONCE - _swsetup_Wakeup( ctx ); - } -#ifdef COMPILE_SETPIXEL - ChooseSetPixel(c); -#endif - return c; -} - -void WMesaDestroyContext( void ) -{ - 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 ); - free( (void *) c->gl_ctx); - - if (c->db_flag) -#ifdef DDRAW - DDFree(c); -#else - wmDeleteBackingStore(c); -#endif - free( (void *) c ); -#if !defined(NO_PARALLEL) - if(parallelMachine) - PRDestroyRenderBuffer(); -#endif - - // Destroyed context no longer valid - WMesaMakeCurrent( NULL ); -} - - -void WMesaMakeCurrent( WMesaContext c ) -{ - if(!c){ - Current = c; - return; - } - - if(Current == c) - return; - - Current = c; - wmesa_update_state(c->gl_ctx, 0); - _mesa_make_current(c->gl_ctx, c->gl_buffer); - 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 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_notifySwapBuffers(ctx); - - if (Current->db_flag) - wmFlush(Current); -} - - - -void WMesaPaletteChange(HPALETTE Pal) -{ -#ifndef DDRAW - int vRet; -#endif - 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 ); -#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, (RGBQUAD*)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 -#ifdef COMPILE_SETPIXEL - -wmSetPixelDefault(PWMC pwc, int iScanLine, int iPixel, BYTE r, BYTE g, BYTE b) -{ - if (Current->db_flag) - { -#ifdef DDRAW - HDC hdc = NULL; - Current->lpDDSOffScreen->lpVtbl->Unlock(Current->lpDDSOffScreen,NULL); - Current->lpDDSOffScreen->lpVtbl->GetDC(Current->lpDDSOffScreen,&hdc); - SetPixelV(hdc,iPixel, iScanLine, RGB(r,g,b)); - Current->lpDDSOffScreen->lpVtbl->ReleaseDC(Current->lpDDSOffScreen,hdc); - while (Current->lpDDSOffScreen->lpVtbl->Lock(Current->lpDDSOffScreen,NULL, &(Current->ddsd), 0, NULL) == DDERR_WASSTILLDRAWING); -#else - SetPixelV(Current->hDC, iPixel, iScanLine, RGB(r,g,b)); -#endif - } - else - { - SetPixelV(Current->hDC, iPixel+pwc->rectSurface.left, pwc->rectSurface.top+iScanLine, RGB(r,g,b)); - } -} -#else -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; - - 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) - { - *lpb++ = b; - *lpb++ = g; - *lpb = r; - } - else if (nBypp == 4) - *((LPDWORD)lpb) = BGR32(r,g,b); - } - else - { - SetPixel(Current->hDC, iPixel, iScanLine, RGB(r,g,b)); - } -} -#endif -#ifdef COMPILE_SETPIXEL -void wmSetPixel4(PWMC pwc, int iScanLine, int iPixel, BYTE r, BYTE g, BYTE b) -{ - LPDWORD lpdw = ((LPDWORD)(pwc->pbPixels + pwc->ScanWidth * iScanLine)) + iPixel; - *lpdw = BGR32(r,g,b); -// LPBYTE lpb = pwc->pbPixels + pwc->ScanWidth * iScanLine + iPixel + iPixel + iPixel + iPixel; -// *((LPDWORD)lpb) = BGR32(r,g,b); -} - -void wmSetPixel3(PWMC pwc, int iScanLine, int iPixel, BYTE r, BYTE g, BYTE b) -{ - LPBYTE lpb = pwc->pbPixels + pwc->ScanWidth * iScanLine + iPixel + iPixel + iPixel; - *lpb++ = b; - *lpb++ = g; - *lpb = r; -} - -void wmSetPixel2(PWMC pwc, int iScanLine, int iPixel, BYTE r, BYTE g, BYTE b) -{ - LPWORD lpw = ((LPWORD)(pwc->pbPixels + pwc->ScanWidth * iScanLine)) + iPixel; - *lpw = BGR16(r,g,b); -// LPBYTE lpb = pwc->pbPixels + pwc->ScanWidth * iScanLine + iPixel + iPixel; -// *((LPWORD)lpb) = BGR16(r,g,b); -} - -void wmSetPixel1(PWMC pwc, int iScanLine, int iPixel, BYTE r, BYTE g, BYTE b) -{ - LPBYTE lpb = pwc->pbPixels + pwc->ScanWidth * iScanLine + iPixel; - *lpb = BGR8(r,g,b); -} - -void wmSetPixel1Dither(PWMC pwc, int iScanLine, int iPixel, BYTE r, BYTE g, BYTE b) -{ - LPBYTE lpb = pwc->pbPixels + pwc->ScanWidth * iScanLine + iPixel; - *lpb = DITHER_RGB_2_8BIT(r,g,b,iScanLine,iPixel); -} - - -void ChooseSetPixel(PWMC pwc) -{ - UINT nBypp = (pwc ) ? pwc->cColorBits >> 3 : 0; - switch(nBypp) - { - case 1: - pwc->wmSetPixel = pwc->dither_flag ? &wmSetPixel1Dither : &wmSetPixel1; - break; - case 2: - pwc->wmSetPixel = &wmSetPixel2; - break; - case 3: - pwc->wmSetPixel = &wmSetPixel3; - break; - case 4: - pwc->wmSetPixel = &wmSetPixel4; - break; - default: - pwc->wmSetPixel = &wmSetPixelDefault; - break; - } -} - -#endif - -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); -#ifdef USE_MAPPED_FILE - 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)); -#endif // USE_MAPPED_FILE - - hic = CreateIC("display", NULL, NULL, NULL); - pwc->dib.hDC = CreateCompatibleDC(hic); - -#ifdef USE_MAPPED_FILE - - pwc->hbmDIB = CreateDIBSection(hic, - &(pwc->bmi), - (iUsage ? DIB_PAL_COLORS : DIB_RGB_COLORS), - &(pwc->pbPixels), - pwc->dib.hFileMap, - 0); -#else - pwc->hbmDIB = CreateDIBSection(hic, - &(pwc->bmi), - (iUsage ? DIB_PAL_COLORS : DIB_RGB_COLORS), - &(pwc->pbPixels), - 0, - 0); -#endif // USE_MAPPED_FILE - 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 - - if(pwc->db_flag){ -#ifdef DDRAW - if (pwc->lpDDSOffScreen == NULL) - if(DDCreateOffScreen(pwc) == GL_FALSE) - return FALSE; - - 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) - -static void __gluMakeIdentityf(GLfloat m[16]) -{ - m[0+4*0] = 1; m[0+4*1] = 0; m[0+4*2] = 0; m[0+4*3] = 0; - m[1+4*0] = 0; m[1+4*1] = 1; m[1+4*2] = 0; m[1+4*3] = 0; - m[2+4*0] = 0; m[2+4*1] = 0; m[2+4*2] = 1; m[2+4*3] = 0; - m[3+4*0] = 0; m[3+4*1] = 0; m[3+4*2] = 0; m[3+4*3] = 1; -} - -static void normalize(float v[3]) -{ - float r; - - r = sqrt( v[0]*v[0] + v[1]*v[1] + v[2]*v[2] ); - if (r == 0.0) return; - - v[0] /= r; - v[1] /= r; - v[2] /= r; -} - -static void cross(float v1[3], float v2[3], float result[3]) -{ - result[0] = v1[1]*v2[2] - v1[2]*v2[1]; - result[1] = v1[2]*v2[0] - v1[0]*v2[2]; - result[2] = v1[0]*v2[1] - v1[1]*v2[0]; -} - - -static void -__gluLookAt(GLdouble eyex, GLdouble eyey, GLdouble eyez, GLdouble centerx, - GLdouble centery, GLdouble centerz, GLdouble upx, GLdouble upy, - GLdouble upz) -{ - int i; - float forward[3], side[3], up[3]; - GLfloat m[4][4]; - - forward[0] = centerx - eyex; - forward[1] = centery - eyey; - forward[2] = centerz - eyez; - - up[0] = upx; - up[1] = upy; - up[2] = upz; - - normalize(forward); - - /* Side = forward x up */ - cross(forward, up, side); - normalize(side); - - /* Recompute up as: up = side x forward */ - cross(side, forward, up); - - __gluMakeIdentityf(&m[0][0]); - m[0][0] = side[0]; - m[1][0] = side[1]; - m[2][0] = side[2]; - - m[0][1] = up[0]; - m[1][1] = up[1]; - m[2][1] = up[2]; - - m[0][2] = -forward[0]; - m[1][2] = -forward[1]; - m[2][2] = -forward[2]; - - glMultMatrixf(&m[0][0]); - glTranslated(-eyex, -eyey, -eyez); -} - -GLfloat viewDistance = 1.0; - -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); - - 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 !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 /* 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 !defined(NO_STEREO) - stereo_flag = GL_FALSE ; -#endif - } -} - -void PRShowRenderResult(void) -{ - int flag = 0; - if(!glImageRendered()) - return; - - if (parallelFlag) - { - WMesaSwapBuffers(); - } - -} -#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]; -} - -#ifdef DDRAW -/* - * restoreAll - * - * restore all lost objects - */ -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 - */ -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) - ; - - 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; -} - -typedef -struct tagWMesaContextList -{ - WMesaContext wc; - struct tagWMesaContextList *next; -}WMesaContextList; - -WMesaContextList *head = 0; - -void AddContext(WMesaContext wc) -{ - WMesaContextList *lst = (WMesaContextList *)malloc(sizeof(WMesaContextList)); - lst->wc = wc; - if( head ) - lst->next = head; - head = lst; -} - -WMesaContext FindContext(HWND hWnd) -{ - WMesaContextList *tmp = head; - while(tmp) - { - if( tmp->wc->hwnd == hWnd ) - return tmp->wc; - tmp = tmp->next; - } - return NULL; -} - -void RemoveContext(HWND hWnd) -{ - WMesaContextList *tmp = head; - if(tmp ) - { - if( tmp->wc->hwnd == hWnd ) - { - WMesaContextList *lst = tmp; - - head = tmp->next; - free((void *)lst); - } - else - while(tmp->next) - { - if( tmp->next->wc->hwnd == hWnd ) - { - WMesaContextList *lst = tmp->next; - tmp->next = tmp->next->next; - free((void *)lst); - } - tmp = tmp->next; - } - } -} - -static LRESULT CALLBACK MyWndProc(HWND hwnd,UINT message,WPARAM wParam, LPARAM lParam) -{ - WMesaContext wc = Current->hwnd == hwnd ? Current : FindContext(hwnd); - if( wc ) - { - LRESULT lret = CallWindowProc((WNDPROC)(wc->oldWndProc),hwnd,message,wParam,lParam); - if( message = WM_MOVE ) - { - POINT pt = {0}; - GetClientRect( wc->hwnd, &(wc->rectSurface) ); - ClientToScreen( hwnd, &pt ); - OffsetRect(&(wc->rectSurface), pt.x, pt.y); - } - return lret; - } - return 0L; -} - -/* - * 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; - LPDIRECTDRAWCLIPPER pcClipper = NULL; - - 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); - } - - - 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 ) - { - 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) - DDCreateOffScreen(wc); - - if( FAILED( ddrval = wc->lpDD->lpVtbl->CreateClipper(wc->lpDD, 0, &pcClipper, NULL ) ) ) - return E_FAIL; - - if( FAILED( ddrval = pcClipper->lpVtbl->SetHWnd(pcClipper, 0, wc->hwnd ) ) ) - { - pcClipper->lpVtbl->Release(pcClipper); - return E_FAIL; - } - - if( FAILED( ddrval = wc->lpDDSPrimary->lpVtbl->SetClipper(wc->lpDDSPrimary, pcClipper ) ) ) - { - pcClipper->lpVtbl->Release(pcClipper); - return E_FAIL; - } - - // Done with clipper - pcClipper->lpVtbl->Release(pcClipper); - AddContext(wc); - // Hook the window so we can update the drawing rectangle when the window moves - wc->oldWndProc = SetWindowLong(wc->hwnd,GWL_WNDPROC,(LONG)MyWndProc); - - return TRUE; - -} /* DDInit */ - -static void DDFree( WMesaContext wc) -{ - RemoveContext(wc->hwnd); - SetWindowLong(wc->hwnd,GWL_WNDPROC,(LONG)(wc->oldWndProc)); - wc->oldWndProc = 0; - 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); - } -} - - -/************************************************ - * 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 defined(FAST_RASTERIZERS) - - -/* - * 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 DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE -#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 __MINGW32__ - #include "tritemp.h" -#else - - #ifdef WIN32 -// #include "..\tritemp.h" - #else - #include "tritemp.h" - #endif -#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 __MINGW32__ - #include "tritemp.h" -#else - - #ifdef WIN32 -// #include "..\tritemp.h" - #else - #include "tritemp.h" - #endif -#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 __MINGW32__ - #include "tritemp.h" -#else - - #ifdef WIN32 -// #include "..\tritemp.h" - #else - #include "tritemp.h" - #endif -#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->ColorPtr->data[pv][0], \ - VB->ColorPtr->data[pv][1], VB->ColorPtr->data[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 __MINGW32__ - #include "tritemp.h" -#else - - #ifdef WIN32 -// #include "..\tritemp.h" - #else - #include "tritemp.h" - #endif -#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->ColorPtr->data[pv][0], \ - VB->ColorPtr->data[pv][1], VB->ColorPtr->data[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 __MINGW32__ - #include "tritemp.h" -#else - - #ifdef WIN32 -// #include "..\tritemp.h" - #else - #include "tritemp.h" - #endif -#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->ColorPtr->data[pv][0], \ - VB->ColorPtr->data[pv][1], VB->ColorPtr->data[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 __MINGW32__ - #include "tritemp.h" -#else - - #ifdef WIN32 -// #include "..\tritemp.h" - #else - #include "tritemp.h" - #endif -#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 __MINGW32__ - #include "tritemp.h" -#else - - #ifdef WIN32 -// #include "..\tritemp.h" - #else - #include "tritemp.h" - #endif -#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 __MINGW32__ - #include "tritemp.h" -#else - - #ifdef WIN32 -// #include "..\tritemp.h" - #else - #include "tritemp.h" - #endif -#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 __MINGW32__ - #include "tritemp.h" -#else - - #ifdef WIN32 -// #include "..\tritemp.h" - #else - #include "tritemp.h" - #endif -#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->ColorPtr->data[pv][0], \ - VB->ColorPtr->data[pv][1], VB->ColorPtr->data[pv][2] ); -#define INNER_LOOP( LEFT, RIGHT, Y ) \ - { \ - GLint xx; \ - PIXEL_TYPE *pixel = pRow; \ - for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \ - *pixel = p; \ - } \ - } - -#ifdef __MINGW32__ - #include "tritemp.h" -#else - - #ifdef WIN32 -// #include "..\tritemp.h" - #else - #include "tritemp.h" - #endif -#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->ColorPtr->data[pv][0], \ - VB->ColorPtr->data[pv][1], VB->ColorPtr->data[pv][2] ); -#define INNER_LOOP( LEFT, RIGHT, Y ) \ - { \ - GLint xx; \ - PIXEL_TYPE *pixel = pRow; \ - for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \ - *pixel = p; \ - } \ - } -#ifdef __MINGW32__ - #include "tritemp.h" -#else - - #ifdef WIN32 -// #include "..\tritemp.h" - #else - #include "tritemp.h" - #endif -#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->ColorPtr->data[pv][0], \ - VB->ColorPtr->data[pv][1], VB->ColorPtr->data[pv][2] ); -#define INNER_LOOP( LEFT, RIGHT, Y ) \ - { \ - GLint xx; \ - PIXEL_TYPE *pixel = pRow; \ - for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \ - *pixel = p; \ - } \ - } -#ifdef __MINGW32__ - #include "tritemp.h" -#else - - #ifdef WIN32 -// #include "..\tritemp.h" - #else - #include "tritemp.h" - #endif -#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 __MINGW32__ - #include "tritemp.h" -#else - - #ifdef WIN32 -// #include "..\tritemp.h" - #else - #include "tritemp.h" - #endif -#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->IndexPtr->data[pv]; \ - (*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 __MINGW32__ - #include "tritemp.h" -#else - - #ifdef WIN32 -// #include "..\tritemp.h" - #else - #include "tritemp.h" - #endif -#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 __MINGW32__ - #include "tritemp.h" -#else - - #ifdef WIN32 -// #include "..\tritemp.h" - #else - #include "tritemp.h" - #endif -#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->IndexPtr->data[pv]; \ - (*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 __MINGW32__ - #include "tritemp.h" -#else - - #ifdef WIN32 -// #include "..\tritemp.h" - #else - #include "tritemp.h" - #endif -#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 __MINGW32__ - #include "tritemp.h" -#else - - #ifdef WIN32 -// #include "..\tritemp.h" - #else - #include "tritemp.h" - #endif -#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->ColorPtr->data[pv][0], \ - VB->ColorPtr->data[pv][1], VB->ColorPtr->data[pv][2], xx, yy); \ - pRow[i] = pixelDithered; \ - zRow[i] = z; \ - } \ - ffz += fdzdx; \ - } \ - } -#ifdef __MINGW32__ - #include "tritemp.h" -#else - - #ifdef WIN32 -// #include "..\tritemp.h" - #else - #include "tritemp.h" - #endif -#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->ColorPtr->data[pv][0], VB->ColorPtr->data[pv][1], VB->ColorPtr->data[pv][2], xx, yy);\ - *pixel = pixelDithered; \ - ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \ - } \ - } -#ifdef __MINGW32__ - #include "tritemp.h" -#else - - #ifdef WIN32 -// #include "..\tritemp.h" - #else - #include "tritemp.h" - #endif -#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->ColorPtr->data[pv][0], \ - VB->ColorPtr->data[pv][1], VB->ColorPtr->data[pv][2], xx, yy); \ - *pixel = pixelDithered; \ - } \ - } -#ifdef __MINGW32__ - #include "tritemp.h" -#else - - #ifdef WIN32 -// #include "..\tritemp.h" - #else - #include "tritemp.h" - #endif -#endif -} - -#endif -/************** END DEAD TRIANGLE CODE ***********************/ - -static triangle_func choose_triangle_function( GLcontext *ctx ) -{ -#if 0 - WMesaContext wmesa = (WMesaContext) ctx->DriverCtx; - int depth = wmesa->cColorBits; - - if (ctx->Polygon.SmoothFlag) return NULL; - if (ctx->Texture._EnabledUnits) return NULL; - if (!wmesa->db_flag) return NULL; - if (ctx->swrast->_RasterMask & MULTI_DRAW_BIT) 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; - } -#endif -} - -/* - * 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 ) -{ - 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 */ -/* 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.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 -} |