diff options
Diffstat (limited to 'src/mesa/drivers/windows/wmesa_stereo.c')
| -rw-r--r-- | src/mesa/drivers/windows/wmesa_stereo.c | 1835 |
1 files changed, 0 insertions, 1835 deletions
diff --git a/src/mesa/drivers/windows/wmesa_stereo.c b/src/mesa/drivers/windows/wmesa_stereo.c deleted file mode 100644 index adae152f76..0000000000 --- a/src/mesa/drivers/windows/wmesa_stereo.c +++ /dev/null @@ -1,1835 +0,0 @@ -/*
- WMesa_stereo.c
-*/
-// Stereo display feature added by Li Wei
-// Updated 1996/10/06 11:16:15 CST
-// Paralell render feature added by Li Wei
-// liwei@aiar.xjtu.edu.cn
-// http://sun.aiar.xjtu.edu.cn
-
-#define WMESA_STEREO_C
-
-#include <windows.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <wmesadef.h>
-
-#include <GL\wmesa.h>
-#include "context.h"
-#include "dd.h"
-#include "imports.h"
-#include "xform.h"
-#include "vb.h"
-#include "matrix.h"
-#include "depth.h"
-
-#ifdef PROFILE
- #include "profile.h"
-#endif
-
-#include <wing.h>
-
-// Code added by Li Wei to enable stereo display and Paralell render
-
-
-/*#include "mesa_extend.h"*/
-
-#if !defined(NO_STEREO)
-
- #include "gl\glu.h"
- #include "stereo.h"
-
- PBYTE Buffer_Stereo;
-
- void WMesaCreateStereoBuffer(void);
-
- void WMesaInterleave( GLenum aView);
-
- void WMesaDestroyStereoBuffer(void);
-
- void WMesaShowStereo(GLuint list);
-#endif
-#if !defined(NO_PARALLEL)
- #include "parallel.h"
-#endif
-
-/* end of added code*/
-
-/* Bit's used for dest: */
-#define FRONT_PIXMAP 1
-#define BACK_PIXMAP 2
-#define BACK_XIMAGE 4
-
-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->db_flag) ? Current->dib.hDC : Current->hDC )
-#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->height-(Y)-1)
-
-#define STARTPROFILE
-#define ENDPROFILE(PARA)
-
-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
- );
-
-BOOL wmFlush(PWMC pwc);
-
-/*
- * Useful macros:
- Modified from file osmesa.c
- */
-
-#define PIXELADDR(X,Y) ((GLbyte *)Current->pbPixels + (Current->height-Y)* Current->ScanWidth + (X)*nBypp)
-
-
-/* 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)){
- 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, const GLfloat color[4] )
-{
- STARTPROFILE
- 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]);
- 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;
- LPDWORD lpdw = (LPDWORD)Current->pbPixels;
- LPWORD lpw = (LPWORD)Current->pbPixels;
- LPBYTE lpb = Current->pbPixels;
-
- STARTPROFILE
-
- if (all){
- x=y=0;
- width=Current->width;
- height=Current->height;
- }
- if (Current->rgb_flag==GL_TRUE){
- if(Current->db_flag==GL_TRUE){
- UINT nBypp = Current->cColorBits / 8;
- int i = 0;
- int iSize;
-
- if(nBypp == 2){
- iSize = (Current->width * Current->height) / nBypp;
-
- wColor = BGR16(GetRValue(Current->clearpixel),
- GetGValue(Current->clearpixel),
- GetBValue(Current->clearpixel));
- dwColor = MAKELONG(wColor, wColor);
- }
- else if(nBypp == 4){
- iSize = (Current->width * Current->height);
-
- dwColor = BGR32(GetRValue(Current->clearpixel),
- GetGValue(Current->clearpixel),
- GetBValue(Current->clearpixel));
- }
- //
- // This is the 24bit case
- //
- else {
-
- iSize = (Current->width * Current->height) / nBypp;
-
- dwColor = BGR24(GetRValue(Current->clearpixel),
- GetGValue(Current->clearpixel),
- GetBValue(Current->clearpixel));
-
-
- while(i < iSize){
- *lpdw = dwColor;
- lpb += nBypp;
- lpdw = (LPDWORD)lpb;
- i++;
- }
-
- // ENDPROFILE(clear)
-
- return;
- }
-
- while(i < iSize){
- *lpdw = dwColor;
- lpdw++;
- i++;
- }
- }
- 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;
- }
- }
- else {
- int i;
- char *Mem=Current->ScreenMem+y*Current->ScanWidth+x;
- for (i=0; i<height; i++){
- memset(Mem,Current->clearpixel,width);
- Mem+=width;
- }
- }
- 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)
-}
-
-
-
-
-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){
- if (Current->rgb_flag==GL_TRUE){
- wmDeleteBackingStore(Current);
- wmCreateBackingStore(Current, Current->width, Current->height);
- }
- else{
- Current->ScanWidth=Current->width;
- if ((Current->ScanWidth%sizeof(long))!=0)
- Current->ScanWidth+=(sizeof(long)-(Current->ScanWidth%sizeof(long)));
-
- Current->IndexFormat->bmiHeader.biWidth=Current->width;
-
- if (Current->IndexFormat->bmiHeader.biHeight<0)
- Current->IndexFormat->bmiHeader.biHeight=-(Current->height);
- else
- Current->IndexFormat->bmiHeader.biHeight=Current->height;
-
- Current->Compat_BM=WinGCreateBitmap(Current->dib.hDC,Current->IndexFormat,&((void *) Current->ScreenMem));
-
- DeleteObject(SelectObject(Current->dib.hDC,Current->Compat_BM));
- }
-//Code added by Li Wei to enable stereo display
-// Recreate stereo buffer when stereo_flag is TRUE while parallelFlag is FALSE
-#if !defined(NO_STEREO)
- if(stereo_flag
-#if !defined(NO_PARALLEL)
- &&!parallelFlag
-#endif
- ) {
- if(stereoBuffer == GL_TRUE)
- WMesaDestroyStereoBuffer();
- WMesaCreateStereoBuffer();
- }
-#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
-//end modification
-
- }
- }
-
- 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]==0) {
- 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]==0) {
- 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._EnabledUnits == 0 && 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._EnabledUnits == 0 && Current->rgb_flag) {
- ENDPROFILE(choose_line_function)
- return fast_flat_rgb_line;
- }
- else {
- ENDPROFILE(choose_line_function)
- return NULL;
- }
-}
-
-/**********************************************************************/
-/***** Optimized triangle rendering *****/
-/**********************************************************************/
-
-
-/*
- * Smooth-shaded, z-less triangle, RGBA color.
- */
-static void smooth_color_z_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
- GLuint v2, GLuint pv )
-{
-UINT nBypp = Current->cColorBits / 8;
-GLbyte* img;
-GLushort* img16;
-GLuint *img24 ,*img32;
-#define INTERP_Z 1
-#define INTERP_RGB 1
-#define INTERP_ALPHA 1
-#define INNER_LOOP( LEFT, RIGHT, Y ) \
-{ \
- GLint i, len = RIGHT-LEFT; \
- img = PIXELADDR(LEFT,Y); \
- for (i=0;i<len;i++,img+=nBypp) { \
- GLdepth z = FixedToDepth(ffz); \
- if (z < zRow[i]) { \
- img16 = img24 = img32 = img; \
- if(nBypp == 2) \
- *img16 = BGR16( FixedToInt(ffr), FixedToInt(ffg), \
- FixedToInt(ffb)); \
- if(nBypp == 3) \
- *img24 = BGR24( FixedToInt(ffr), FixedToInt(ffg), \
- FixedToInt(ffb)); \
- if(nBypp == 4) \
- *img32 = BGR32( FixedToInt(ffr), FixedToInt(ffg), \
- FixedToInt(ffb)); \
- zRow[i] = z; \
- } \
- ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; ffa += fdadx;\
- ffz += fdzdx; \
- } \
-}
-
- #include "tritemp.h"
- }
-
-
-
-
-/*
- * Flat-shaded, z-less triangle, RGBA color.
- */
-static void flat_color_z_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
- GLuint v2, GLuint pv )
-{
-GLbyte* img;
-GLushort* img16;
-GLuint *img24, *img32;
-UINT nBypp = Current->cColorBits / 8;
-GLubyte r, g, b ;
-GLushort pixel16 = BGR16(r,g,b);
-GLuint pixel24 = BGR24(r,g,b);
-GLuint pixel32 = BGR32(r,g,b);
-
-#define INTERP_Z 1
-#define SETUP_CODE \
- r = VB->Color[pv][0]; \
- g = VB->Color[pv][1]; \
- b = VB->Color[pv][2];
-
-#define INNER_LOOP( LEFT, RIGHT, Y ) \
-{ \
- GLint i, len = RIGHT-LEFT; \
- img = PIXELADDR(LEFT,Y); \
- for (i=0;i<len;i++,img+=nBypp) { \
- GLdepth z = FixedToDepth(ffz); \
- if (z < zRow[i]) { \
- img16 = img24 = img32 = img; \
- if(nBypp == 2) \
- *img16 = pixel16; \
- if(nBypp == 3) \
- *img24 = pixel24; \
- if(nBypp == 4) \
- *img32 = pixel32; \
- zRow[i] = z; \
- } \
- ffz += fdzdx; \
- } \
-}
-
-#include "tritemp.h"
-}
-
-
-
-/*
- * Return pointer to an accelerated triangle function if possible.
- */
-static triangle_func choose_triangle_function( GLcontext *ctx )
-{
- if (ctx->Polygon.SmoothFlag) return NULL;
- if (ctx->Polygon.StippleFlag) return NULL;
- if (ctx->Texture._EnabledUnits) return NULL;
-
- if (ctx->_RasterMask==DEPTH_BIT
- && ctx->Depth.Func==GL_LESS
- && ctx->Depth.Mask==GL_TRUE
- && ctx->Visual->RGBAflag) {
- if (ctx->Light.ShadeModel==GL_SMOOTH) {
- return smooth_color_z_triangle;
- }
- else {
- return flat_color_z_triangle;
- }
- }
- return NULL;
-}
-
-
-/* Draw a convex polygon using color Current->gl_ctx->VB->Color[pv] */
-static void fast_flat_rgb_polygon( GLcontext* ctx, GLuint n, GLuint vlist[], GLuint pv )
-{
- STARTPROFILE
- POINT *Pts=(POINT *) malloc(n*sizeof(POINT));
- HDC DC=DD_GETDC;
- HPEN Pen;
- HBRUSH Brush;
- HPEN Old_Pen;
- HBRUSH Old_Brush;
- GLint pixel;
- GLuint i;
-
- 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);
- }
-
- Pen=CreatePen(PS_SOLID,1,pixel);
- Brush=CreateSolidBrush(pixel);
- Old_Pen=SelectObject(DC,Pen);
- Old_Brush=SelectObject(DC,Brush);
-
- for (i=0; i<n; i++) {
- int j = vlist[i];
- Pts[i].x = (int) Current->gl_ctx->VB->Win[j][0];
- Pts[i].y = FLIP( (int) Current->gl_ctx->VB->Win[j][1] );
- }
-
- BEGINGDICALL
-
- Polygon(DC,Pts,n);
- SelectObject(DC,Old_Pen);
- SelectObject(DC,Old_Brush);
- DeleteObject(Pen);
- DeleteObject(Brush);
- DD_RELEASEDC;
- free(Pts);
-
- ENDGDICALL
-
- ENDPROFILE(fast_flat_rgb_polygon)
-}
-
-
-
-/* Return pointer to accerated polygon function */
-static polygon_func choose_polygon_function( GLcontext* ctx )
-{
- STARTPROFILE
- if (!ctx->Polygon.SmoothFlag && !ctx->Polygon.StippleFlag
- && ctx->Light.ShadeModel==GL_FLAT && ctx->_RasterMask==0
- && ctx->Texture._EnabledUnits == 0 && Current->rgb_flag==GL_TRUE) {
- ENDPROFILE(choose_polygon_function)
- return fast_flat_rgb_polygon;
- }
- else {
- ENDPROFILE(choose_polygon_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;
- char *Mem=Current->ScreenMem+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;
- char *Mem=Current->ScreenMem+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;
- char *Mem=Current->ScreenMem+y*Current->ScanWidth+x;
- 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]) {
- char *Mem=Current->ScreenMem+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]) {
- char *Mem=Current->ScreenMem+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;
- char *Mem=Current->ScreenMem+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+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.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.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 );
- // ctx->Driver.TriangleFunc = choose_polygon_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;
-}
-
-//
-// MesaGL32 is the DLL version of MesaGL for Win32
-//
-
-/**********************************************************************/
-/***** 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 /*APIENTRY*/ WMesaCreateContext( HWND hWnd, HPALETTE Pal,
- /*HDC hDC,*/ GLboolean rgb_flag,
- GLboolean db_flag )
-{
- BITMAPINFO *Rec;
- //HDC DC;
- RECT CR;
- WMesaContext c;
-
- c = (struct wmesa_context * ) calloc(1,sizeof(struct wmesa_context));
- if (!c)
- return NULL;
-
- c->Window=hWnd;
- c->hDC = GetDC(hWnd);
-
- if (rgb_flag==GL_FALSE)
- {
- c->rgb_flag = GL_FALSE;
- c->pixel = 1;
- db_flag=GL_TRUE; // WinG requires double buffering
- //c->gl_ctx->BufferDepth = windepth;
- }
- 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;
-// c->hDC GetDC(c->Window);
- /* Double buffered */
- if (c->rgb_flag==GL_TRUE)
- {
- //DC = c->hDC = hDC;
-
-// DC = c->hDC = GetDC(c->Window);
- wmCreateBackingStore(c, c->width, c->height);
-// ReleaseDC(c->Window,DC);
- }
- else
- {
- c->dib.hDC=WinGCreateDC();
- Rec=(BITMAPINFO *) malloc(sizeof(BITMAPINFO)+(PAL_SIZE-1)*sizeof(RGBQUAD));
- c->hPal=Pal;
- GetPalette(Pal,Rec->bmiColors);
- WinGRecommendDIBFormat(Rec);
- Rec->bmiHeader.biWidth=c->width;
- Rec->bmiHeader.biHeight*=c->height;
- Rec->bmiHeader.biClrUsed=PAL_SIZE;
- if (Rec->bmiHeader.biPlanes!=1 || Rec->bmiHeader.biBitCount!=8)
- {
- MessageBox(NULL,"Error.","This code presumes a 256 color, single plane, WinG Device.\n",MB_OK);
- exit(1);
- }
- c->Compat_BM=WinGCreateBitmap(c->dib.hDC,Rec,&((void *) c->ScreenMem));
- c->Old_Compat_BM=SelectObject(c->dib.hDC,c->Compat_BM);
- WinGSetDIBColorTable(c->dib.hDC,0,PAL_SIZE,Rec->bmiColors);
- c->IndexFormat=Rec;
- c->ScanWidth=c->width;
- c->cColorBits = 8;
- if ((c->ScanWidth%sizeof(long))!=0)
- c->ScanWidth+=(sizeof(long)-(c->ScanWidth%sizeof(long)));
- }
- }
- else
- {
- /* Single Buffered */
- c->db_flag = 0;
-
-// wmCreateBackingStore(c, c->width, c->height);
- }
-
-
-
- c->gl_visual = _mesa_create_visual(rgb_flag,
- db_flag, /* db_flag */
- GL_TRUE, /* stereo */
- 8, 8, 8, 8,/* rgba bits */
- 0, /* index bits */
- 16, /* depth_bits */
- 8, /* stencil_bits */
- 16,16,16,16,/* accum_bits */
- 1 );
-
- if (!c->gl_visual) {
- return NULL;
- }
-
- /* allocate a new Mesa context */
- c->gl_ctx = _mesa_create_context( c->gl_visual, NULL, (void *) g, GL_FALSE );
-
- if (!c->gl_ctx) {
- _mesa_destroy_visual( c->gl_visual );
- free(c);
- return NULL;
- }
-
- c->gl_buffer = _mesa_create_framebuffer( c->gl_visual );
- if (!c->gl_buffer) {
- _mesa_destroy_visual( c->gl_visual );
- _mesa_destroy_context( c->gl_ctx );
- free(c);
- return NULL;
- }
-// setup_DD_pointers(c->gl_ctx);
-
- return c;
-}
-
-
-
-void /*APIENTRY*/ WMesaDestroyContext( void )
-{
- WMesaContext c = Current;
- ReleaseDC(c->Window,c->hDC);
- WC = c;
-
- _mesa_destroy_visual( c->gl_visual );
- _mesa_destroy_framebuffer( c->gl_buffer );
- _mesa_destroy_context( c->gl_ctx );
-
- if (c->db_flag){
- wmDeleteBackingStore(c);
-
-//Code added by Li Wei to enable parallel render
-#if !defined(NO_STEREO)
- if(stereoBuffer==GL_TRUE){
- WMesaDestroyStereoBuffer();
- stereoBuffer=GL_FALSE;
- }
-#endif
-// End modification
- }
- free( (void *) c );
-//Code added by Li Wei 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 );
- _mesa_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 );
- }
-}
-
-
-
-void /*APIENTRY*/ WMesaSwapBuffers( void )
-{
- HDC DC = Current->hDC;
- if (Current->db_flag)
- {
- if (Current->rgb_flag)
- wmFlush(Current);
- else
- WinGBitBlt(DC,0,0,Current->width,Current->height,Current->dib.hDC,0,0);
- }
-}
-
-
-
-void /*APIENTRY*/ WMesaPaletteChange(HPALETTE Pal)
-{
- if (Current && Current->rgb_flag==GL_FALSE)
- {
- Current->hPal=Pal;
- GetPalette(Pal,Current->IndexFormat->bmiColors);
- WinGSetDIBColorTable(Current->dib.hDC,0,PAL_SIZE,Current->IndexFormat->bmiColors);
- }
-}
-
-//
-// 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;
- pbmi->bmiHeader.biBitCount = GetDeviceCaps(pwc->hDC, BITSPIXEL);
- 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 = lxSize;
-
- wmCreateDIBSection(hdc, pwc, pbmi, iUsage);
-
- if ((iUsage == DIB_PAL_COLORS) && !(pwc->hGLPalette)) {
- wmCreatePalette( pwc );
- wmSetDibColors( pwc );
- }
-
- 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 GLWINAPI wmSetPixelFormat( PWMC pwdc, HDC hDC, DWORD dwFlags )
-{
- return(TRUE);
-}
-
-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);
-
-}
-
-//
-// 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->hDC, 0, nColors, pColTab );
-
- if(!bRet)
- dwErr = GetLastError();
-
- free( pColTab );
- free( pPal );
-
- return(bRet);
-}
-
-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;
-
- lpdw = (LPDWORD)lpb;
- lpw = (LPWORD)lpb;
-
- if(nBypp == 2)
- *lpw = BGR16(r,g,b);
- else if (nBypp == 3){
- *lpdw = BGR24(r,g,b);
- }
- else
- *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 = dwScanWidth;
-
- 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 = ((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->hbmDIB = CreateDIBitmap(hic,
- &(pwc->bmi.bmiHeader),
- CBM_INIT,
- pwc->pbPixels,
- &(pwc->bmi),
- DIB_RGB_COLORS);
-*/
- pwc->hbmDIB = CreateDIBSection(hic,
- &(pwc->bmi.bmiHeader),
- DIB_RGB_COLORS,
- &(pwc->pbPixels),
- pwc->dib.hFileMap,
- 0);
- 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;
-
-
-// wmFlushBits(pwc);
-
- bRet = BitBlt(pwc->hDC, 0, 0, pwc->width, pwc->height,
- pwc->dib.hDC, 0, 0, SRCCOPY);
-
- if(!bRet)
- dwErr = GetLastError();
-
- pwc->dib.fFlushed = TRUE;
-
- return(TRUE);
-
-}
-
-
-// The following code is added by Li Wei to enable stereo display
-
-#if !defined(NO_STEREO)
-
-void WMesaCreateStereoBuffer()
-{
- /* Must use double buffer and not in parallelMode */
- if (! Current->db_flag
-#if !defined(NO_PARALLEL)
- || parallelFlag
-#endif
- )
- return;
-
- Buffer_Stereo = malloc( Current->ScanWidth * Current->height);
- ZeroMemory(Buffer_Stereo,Current->ScanWidth * Current->height);
- stereoBuffer = GL_TRUE ;
-}
-
-void WMesaDestroyStereoBuffer()
-{
- /* Must use double buffer and not in parallelMode */
- if (! Current->db_flag
-#if !defined(NO_PARALLEL)
- || parallelFlag
-#endif
- )
- return;
- if(stereoBuffer){
- free(Buffer_Stereo);
- stereoBuffer = GL_FALSE ;
- }
-}
-
-void WMesaInterleave(GLenum aView)
-{
- int offset;
- unsigned line;
- LPBYTE dest;
- LPBYTE src;
- if(aView == FIRST)
- offset = 0;
- else offset = 1;
-
- dest = Buffer_Stereo + offset * Current->ScanWidth;
- if(Current->rgb_flag )
- src = Current->pbPixels + Current->ScanWidth*(Current->height/2);
- else
- src = Current->ScreenMem;
-
- for(line = 0; line<Current->height/2; line ++){
- CopyMemory(dest, src, Current->ScanWidth);
- dest += 2*Current->ScanWidth;
- src += Current->ScanWidth;
- }
- if(aView == SECOND)
- if(Current->rgb_flag)
- CopyMemory(Current->pbPixels, Buffer_Stereo, Current->ScanWidth*Current->height);
- else
- CopyMemory(Current->ScreenMem, Buffer_Stereo, Current->ScanWidth*Current->height);
-}
-
-void WMesaShowStereo(GLuint list)
-{
-
- GLbitfield mask = GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT;
- GLfloat cm[16];
- // Must use double Buffer
- if( ! Current-> db_flag )
- return;
-
- glViewport(0,0,Current->width,Current->height/2);
-
- glGetFloatv(GL_MODELVIEW_MATRIX,cm);
- glMatrixMode(GL_MODELVIEW);
- glLoadIdentity();
- gluLookAt(viewDistance/2,0.0,0.0 ,
- viewDistance/2,0.0,-1.0,
- 0.0,1.0,0.0 );
- glMultMatrixf( cm );
- glMatrixMode(GL_MODELVIEW);
- glPushMatrix();
- glCallList( list );
- glPopMatrix();
- glFlush();
- WMesaInterleave( FIRST );
-
- glGetFloatv(GL_MODELVIEW_MATRIX,cm);
- glMatrixMode(GL_MODELVIEW);
- glLoadIdentity();
- gluLookAt(-viewDistance/2,0.0,0.0 ,
- -viewDistance/2,0.0,-1.0,
- 0.0,1.0,0.0 );
- glMultMatrixf(cm);
- glMatrixMode(GL_MODELVIEW);
- glCallList(list);
- glFlush();
- WMesaInterleave( SECOND );
- glViewport(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
- {
- WMesaCreateStereoBuffer();
- }
- }
- else {
- stereo_flag = 0;
- if(stereoBuffer==GL_TRUE)
-#if !defined(NO_PARALLEL)
- if(!parallelFlag)
-#endif
- if(stereoBuffer==GL_TRUE){
- WMesaDestroyStereoBuffer();
- }
- }
-}
-
-/* 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
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