diff options
Diffstat (limited to 'src/mesa/drivers/windows/wmesaOld.c')
| -rw-r--r-- | src/mesa/drivers/windows/wmesaOld.c | 2749 |
1 files changed, 0 insertions, 2749 deletions
diff --git a/src/mesa/drivers/windows/wmesaOld.c b/src/mesa/drivers/windows/wmesaOld.c deleted file mode 100644 index a546676a5f9..00000000000 --- a/src/mesa/drivers/windows/wmesaOld.c +++ /dev/null @@ -1,2749 +0,0 @@ -/*
- * 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: wmesaOld.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 1.2 1999/01/03 03:08:57 brianp - * Ted Jump's changes - *
- * Revision 1.0 1997/06/14 17:51:00 CST by Li Wei([email protected])
- * New display driver for Mesa 2.x using Microsoft Direct Draw
- * Initial vision
- */
-
-
-#define WMESA_STEREO_C
-
-#include <windows.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <GL/wmesa.h>
-#include "wmesadef.h"
-#include "context.h"
-#include "dd.h"
-#include "xform.h"
-#include "vb.h"
-#include "matrix.h"
-#include "depth.h"
-
-#ifdef PROFILE
-// #include "profile.h"
-#endif
-
-#ifdef DITHER
- #include <wing.h>
-#endif
-
-#ifdef __CYGWIN32__
-#include "macros.h"
-#include <string.h>
-#define CopyMemory memcpy
-#endif
-#include "mesa_extend.h"
-#include "colors.h"
-
-#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 )
-{
- 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;
-
- 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{
- lpb += Current->ScanWidth;
- memcpy(lpb, Current->pbPixels, iSize*4);
- 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)
-}
-
-
-
-/* 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 /*, GLuint *depth */)
-{
-
- int New_Size;
- RECT CR;
-
- STARTPROFILE
- GetClientRect(Current->Window,&CR);
-
- *width=CR.right;
- *height=CR.bottom;
-// *depth = Current->depth;
-
- 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 color-index pixels with a boolean mask. */
-static void write_index_span( 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_index_span)
-}
-
-
-
-/*
- * Write a horizontal span of pixels with a boolean mask. The current
- * color index is used for all pixels.
- */
-static void write_monoindex_span(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_monoindex_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 color pixels with a boolean mask. */
-static void write_color_span( GLcontext* ctx,
- GLuint n, GLint x, GLint y,
- const GLubyte
- red[], const GLubyte green[],
- const GLubyte blue[], const GLubyte alpha[],
- 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,red[i], green[i], blue[i]);
- }
-
- else {
- for (i=0; i<n; i++)
- wmSetPixel(pwc, y, x + i, red[i], green[i], blue[i]);
- }
-
- 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(red[i],green[i],blue[i]));
- }
- else {
- for (i=0; i<n; i++)
- Mem[i]=GetNearestPaletteIndex(Current->hPal,RGB(red[i],green[i],blue[i]));
- }
- }
- ENDPROFILE(write_color_span)
-
-}
-
-/*
- * Write a horizontal span of pixels with a boolean mask. The current color
- * is used for all pixels.
- */
-static void write_monocolor_span( 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_monocolor_span)
-}
-
-
-
-/**********************************************************************/
-/***** Array-based pixel drawing *****/
-/**********************************************************************/
-
-
-/* Write an array of pixels with a boolean mask. */
-static void write_index_pixels( 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_index_pixels)
-}
-
-
-
-/*
- * Write an array of pixels with a boolean mask. The current color
- * index is used for all pixels.
- */
-static void write_monoindex_pixels( 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_monoindex_pixels)
-}
-
-
-
-/* Write an array of pixels with a boolean mask. */
-static void write_color_pixels( GLcontext* ctx,
- GLuint n, const GLint x[], const GLint y[],
- const GLubyte r[], const GLubyte g[],
- const GLubyte b[], const GLubyte a[],
- 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],r[i],g[i],b[i]);
- DD_RELEASEDC;
- ENDPROFILE(write_color_pixels)
-}
-
-
-
-/*
- * Write an array of pixels with a boolean mask. The current color
- * is used for all pixels.
- */
-static void write_monocolor_pixels( 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_monocolor_pixels)
-}
-
-
-
-/**********************************************************************/
-/***** Read spans/arrays of pixels *****/
-/**********************************************************************/
-
-
-/* Read a horizontal span of color-index pixels. */
-static void read_index_span( 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_index_span)
-
-}
-
-
-
-
-/* Read an array of color index pixels. */
-static void read_index_pixels( 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_index_pixels)
-}
-
-
-
-/* Read a horizontal span of color pixels. */
-static void read_color_span( GLcontext* ctx,
- GLuint n, GLint x, GLint y,
- GLubyte red[], GLubyte green[],
- GLubyte blue[], GLubyte alpha[] )
-{
- 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);
- red[i]=GetRValue(Color);
- green[i]=GetGValue(Color);
- blue[i]=GetBValue(Color);
- alpha[i]=255;
- }
- DD_RELEASEDC;
- memset(alpha,0,n*sizeof(GLint));
- ENDPROFILE(read_color_span)
-}
-
-
-/* Read an array of color pixels. */
-static void read_color_pixels( GLcontext* ctx,
- GLuint n, const GLint x[], const GLint y[],
- GLubyte red[], GLubyte green[],
- GLubyte blue[], GLubyte alpha[],
- 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]));
- red[i]=GetRValue(Color);
- green[i]=GetGValue(Color);
- blue[i]=GetBValue(Color);
- alpha[i]=255;
- }
- }
- DD_RELEASEDC;
- memset(alpha,0,n*sizeof(GLint));
- ENDPROFILE(read_color_pixels)
-}
-
-
-
-/**********************************************************************/
-/**********************************************************************/
-
-
-
-void setup_DD_pointers( GLcontext* ctx )
-{
- 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.WriteColorSpan = write_color_span;
- ctx->Driver.WriteMonocolorSpan = write_monocolor_span;
- ctx->Driver.WriteColorPixels = write_color_pixels;
- ctx->Driver.WriteMonocolorPixels = write_monocolor_pixels;
- ctx->Driver.WriteIndexSpan = write_index_span;
- ctx->Driver.WriteMonoindexSpan = write_monoindex_span;
- ctx->Driver.WriteIndexPixels = write_index_pixels;
- ctx->Driver.WriteMonoindexPixels = write_monoindex_pixels;
-
- /* Pixel/span reading functions: */
- ctx->Driver.ReadIndexSpan = read_index_span;
- ctx->Driver.ReadColorSpan = read_color_span;
- ctx->Driver.ReadIndexPixels = read_index_pixels;
- ctx->Driver.ReadColorPixels = read_color_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 */
- 16, /* depth_bits */
- 8, /* stencil_bits */
- 8, /* accum_bits */
- 8,
- 255.0, 255.0, 255.0, 255.0,
- 8,8,8,8 );
-
- if (!c->gl_visual) {
- return NULL;
- }
-
- /* allocate a new Mesa context */
- c->gl_ctx = gl_create_context( c->gl_visual, NULL,c);
-
- 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;
- }
-// 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 /*APIENTRY*/ 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);
- Current = c;
- setup_DD_pointers(c->gl_ctx);
- 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 /*APIENTRY*/ WMesaSwapBuffers( void )
-{
- HDC DC = Current->hDC;
- if (Current->db_flag)
- wmFlush(Current);
-}
-
-
-
-void /*APIENTRY*/ 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 /*WINAPI*/ wmCreatePalette( PWMC pwdc )
-{
- /* Create a compressed and re-expanded 3:3:2 palette */
- int i;
- LOGPALETTE *pPal;
- BYTE rb, rs, gb, gs, bb, bs;
-
- pwdc->nColors = 0x100;
-
- pPal = (PLOGPALETTE)malloc(sizeof(LOGPALETTE) + pwdc->nColors * sizeof(PALETTEENTRY));
- memset( pPal, 0, sizeof(LOGPALETTE) + pwdc->nColors * sizeof(PALETTEENTRY) );
-
- pPal->palVersion = 0x300;
-
- rb = REDBITS;
- rs = REDSHIFT;
- gb = GREENBITS;
- gs = GREENSHIFT;
- bb = BLUEBITS;
- bs = BLUESHIFT;
-
- if (pwdc->db_flag) {
-
- /* Need to make two palettes: one for the screen DC and one for the DIB. */
- pPal->palNumEntries = pwdc->nColors;
- for (i = 0; i < pwdc->nColors; i++) {
- pPal->palPalEntry[i].peRed = componentFromIndex( i, rb, rs );
- pPal->palPalEntry[i].peGreen = componentFromIndex( i, gb, gs );
- pPal->palPalEntry[i].peBlue = componentFromIndex( i, bb, bs );
- pPal->palPalEntry[i].peFlags = 0;
- }
- pwdc->hGLPalette = CreatePalette( pPal );
- pwdc->hPalette = CreatePalette( pPal );
- }
-
- else {
- pPal->palNumEntries = pwdc->nColors;
- for (i = 0; i < pwdc->nColors; i++) {
- pPal->palPalEntry[i].peRed = componentFromIndex( i, rb, rs );
- pPal->palPalEntry[i].peGreen = componentFromIndex( i, gb, gs );
- pPal->palPalEntry[i].peBlue = componentFromIndex( i, bb, bs );
- pPal->palPalEntry[i].peFlags = 0;
- }
- pwdc->hGLPalette = CreatePalette( pPal );
- }
-
- free(pPal);
-
-}
-
-void /*WINAPI*/ wmSetPixel(PWMC pwc, int iScanLine, int iPixel, BYTE r, BYTE g, BYTE b)
-{
- if(Current->db_flag){
- LPBYTE lpb = pwc->pbPixels;
- LPDWORD lpdw;
- LPWORD lpw;
- UINT nBypp = pwc->cColorBits / 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 /*WINAPI*/ wmCreateDIBSection(
- HDC hDC,
- PWMC pwc, // handle of device context
- CONST BITMAPINFO *pbmi, // address of structure containing bitmap size, format, and color data
- UINT iUsage // color data type indicator: RGB values or palette indices
-)
-{
- DWORD dwSize = 0;
- DWORD dwScanWidth;
- UINT nBypp = pwc->cColorBits / 8;
- HDC hic;
-
- dwScanWidth = (((pwc->ScanWidth * nBypp)+ 3) & ~3);
-
- pwc->ScanWidth =pwc->pitch = dwScanWidth;
-
- if (stereo_flag)
- pwc->ScanWidth = 2* pwc->pitch;
-
- dwSize = sizeof(BITMAPINFO) + (dwScanWidth * pwc->height);
-
- pwc->dib.hFileMap = CreateFileMapping((HANDLE)PAGE_FILE,
- NULL,
- PAGE_READWRITE | SEC_COMMIT,
- 0,
- dwSize,
- NULL);
-
- if (!pwc->dib.hFileMap)
- return;
-
- pwc->dib.base = MapViewOfFile(pwc->dib.hFileMap,
- FILE_MAP_ALL_ACCESS,
- 0,
- 0,
- 0);
-
- if(!pwc->dib.base){
- CloseHandle(pwc->dib.hFileMap);
- return;
- }
-
-// pwc->pbPixels = pwc->addrOffScreen = ((LPBYTE)pwc->dib.base) + sizeof(BITMAPINFO);
-
-// pwc->dib.hDC = CreateCompatibleDC(hDC);
-
- CopyMemory(pwc->dib.base, pbmi, sizeof(BITMAPINFO));
-
- hic = CreateIC("display", NULL, NULL, NULL);
- pwc->dib.hDC = CreateCompatibleDC(hic);
-
-
-/* pwc->hbmDIB = CreateDIBitmap(hic,
- &(pwc->bmi.bmiHeader),
- CBM_INIT,
- pwc->pbPixels,
- &(pwc->bmi),
- DIB_RGB_COLORS);
-*/
- pwc->hbmDIB = CreateDIBSection(hic,
- &(pwc->bmi),
- (iUsage ? DIB_PAL_COLORS : DIB_RGB_COLORS),
- &(pwc->pbPixels),
- pwc->dib.hFileMap,
- 0);
- /*
- pwc->hbmDIB = CreateDIBSection(hic,
- &(pwc->bmi),
- DIB_RGB_COLORS,
- &(pwc->pbPixels),
- pwc->dib.hFileMap,
- 0);
- */
- pwc->ScreenMem = pwc->addrOffScreen = pwc->pbPixels;
- pwc->hOldBitmap = SelectObject(pwc->dib.hDC, pwc->hbmDIB);
-
- DeleteDC(hic);
-
- return;
-
-}
-
-//
-// Blit memory DC to screen DC
-//
-BOOL /*WINAPI*/ wmFlush(PWMC pwc)
-{
- BOOL bRet = 0;
- DWORD dwErr = 0;
- HRESULT ddrval;
-
- // 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
- */
-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)
- ;
-// 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; \
- } \
-}
-#include "tritemp.h"
-}
-
-
-/*
- * 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; \
- } \
-}
-#include "tritemp.h"
-}
-
-
-
-/*
- * 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; \
- } \
-}
-#include "tritemp.h"
-}
-
-/*
- * 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; \
- } \
-}
-#include "tritemp.h"
-}
-
-
-/*
- * 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; \
- } \
-}
-#include "tritemp.h"
-}
-
-
-/*
- * 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; \
- } \
-}
-#include "tritemp.h"
-}
-
-
-/*
- * 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; \
- } \
-}
-#include "tritemp.h"
-}
-
-
-/*
- * 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; \
- } \
-}
-#include "tritemp.h"
-}
-
-
-/*
- * 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; \
- } \
-}
-#include "tritemp.h"
-}
-
-
-
-/*
- * 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; \
- } \
-}
-#include "tritemp.h"
-}
-
-
-/*
- * 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; \
- } \
-}
-#include "tritemp.h"
-}
-
-
-/*
- * 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; \
- } \
-}
-#include "tritemp.h"
-}
-
-
-/*
- * 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; \
- } \
-}
-
-#include "tritemp.h"
-}
-
-
-/*
- * 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; \
- } \
-}
-#include "tritemp.h"
-}
-
-
-
-/*
- * 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; \
- } \
-}
-#include "tritemp.h"
-}
-
-
-/*
- * 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; \
- } \
-}
-#include "tritemp.h"
-}
-
-/*
- * 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; \
- } \
-}
-#include "tritemp.h"
-}
-
-/*
- * 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; \
- } \
-}
-#include "tritemp.h"
-}
-
-/*
- * 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; \
- } \
-}
-#include "tritemp.h"
-}
-
-/*
- * 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; \
- } \
-}
-#include "tritemp.h"
-}
-
-
-
-
-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;
-}
|