-
/*
- * Windows (Win32) device driver for Mesa 3.4
- *
- * Original author:
- *
- * Copyright (C) 1996- Li Wei
- * Address : Institute of Artificial Intelligence
- * : & Robotics
- * : Xi'an Jiaotong University
- * Email : liwei@aiar.xjtu.edu.cn
- * Web page : http://sun.aiar.xjtu.edu.cn
- *
- * This file and its associations are partially borrowed from the
- * Windows NT driver for Mesa 1.8 , written by Mark Leaming
- * (mark@rsinc.com).
+ * Windows (Win32/Win64) device driver for Mesa
*
- * Updated for Mesa 4.0 by Karl Schultz (kschultz@sourceforge.net)
*/
-#ifdef NDEBUG
-#pragma auto_inline(on)
-#pragma inline_depth(255)
-#pragma inline_recursion(on)
-#endif
-
#include "wmesadef.h"
-#include <GL/wmesa.h>
-//#include "mesa_extend.h"
-
-#include "glheader.h"
#include "colors.h"
+#include <GL/wmesa.h>
+#include <winuser.h>
#include "context.h"
-#include "colormac.h"
-#include "dd.h"
-#include "depth.h"
#include "extensions.h"
-#include "imports.h"
-#include "macros.h"
-#include "matrix.h"
-#include "mtypes.h"
-#include "texformat.h"
-#include "teximage.h"
-#include "texstore.h"
-#include "array_cache/acache.h"
+#include "framebuffer.h"
+#include "renderbuffer.h"
+#include "drivers/common/driverfuncs.h"
+#include "drivers/common/meta.h"
+#include "vbo/vbo.h"
#include "swrast/swrast.h"
#include "swrast_setup/swrast_setup.h"
-#include "swrast/s_alphabuf.h"
-#include "swrast/s_context.h"
-#include "swrast/s_depth.h"
-#include "swrast/s_lines.h"
-#include "swrast/s_triangle.h"
-#include "swrast/s_trispan.h"
#include "tnl/tnl.h"
#include "tnl/t_context.h"
#include "tnl/t_pipeline.h"
-#include "drivers/common/driverfuncs.h"
-
-#define SWTC 0 /* SW texture compression */
-
-/* Dither not tested for Mesa 4.0 */
-#ifdef DITHER
-#ifdef USE_WING
-#include <wing.h>
-#endif // USE_WING
-#endif
-
-#ifdef __CYGWIN32__
-#include "macros.h"
-#include <string.h>
-#define CopyMemory memcpy
-#endif
-/* Stereo and parallel not tested for Mesa 4.0. */
-#define NO_STEREO
-#if !defined(NO_STEREO)
-#include "gl\glu.h"
-#include "stereo.h"
-#endif
-
-#define NO_PARALLEL
-#if !defined(NO_PARALLEL)
-#include "parallel.h"
-#endif
-
-
-/* File global varaibles */
-struct DISPLAY_OPTIONS {
- int stereo;
- int fullScreen;
- int mode;
- int bpp;
-};
-
-struct DISPLAY_OPTIONS displayOptions =
-{
- 0, // stereo
- 0, // fullScreen
- 0, // full screen mode (1,2,3,4)
- 0 // bpp (8,16,24,32)
-};
-GLenum stereoCompile = GL_FALSE ;
-GLenum stereoShowing = GL_FALSE ;
-GLenum stereoBuffer = GL_FALSE;
-#if !defined(NO_STEREO)
-GLint displayList = MAXIMUM_DISPLAY_LIST ;
-#endif
-GLint stereo_flag = 0 ;
-static PWMC Current = NULL;
-WMesaContext WC = NULL;
+/* linked list of our Framebuffers (windows) */
+static WMesaFramebuffer FirstFramebuffer = NULL;
-#ifdef COMPILE_SETPIXEL
-#if defined(_MSC_VER) && _MSC_VER >= 1200
-#define FORCEINLINE __forceinline
-#else
-#define FORCEINLINE __inline
-#endif
-
-FORCEINLINE void wmSetPixel(PWMC pwc, int iScanLine, int iPixel, BYTE r, BYTE g, BYTE b)
-{
- pwc->wmSetPixel(pwc,iScanLine,iPixel,r,g,b);
+/**
+ * Create a new WMesaFramebuffer object which will correspond to the
+ * given HDC (Window handle).
+ */
+WMesaFramebuffer
+wmesa_new_framebuffer(HDC hdc, GLvisual *visual)
+{
+ WMesaFramebuffer pwfb
+ = (WMesaFramebuffer) malloc(sizeof(struct wmesa_framebuffer));
+ if (pwfb) {
+ _mesa_initialize_framebuffer(&pwfb->Base, visual);
+ pwfb->hDC = hdc;
+ /* insert at head of list */
+ pwfb->next = FirstFramebuffer;
+ FirstFramebuffer = pwfb;
+ }
+ return pwfb;
}
-void ChooseSetPixel(PWMC pwc);
-
-#endif // COMPILE_SETPIXEL
+/**
+ * Given an hdc, free the corresponding WMesaFramebuffer
+ */
+void
+wmesa_free_framebuffer(HDC hdc)
+{
+ WMesaFramebuffer pwfb, prev;
+ for (pwfb = FirstFramebuffer; pwfb; pwfb = pwfb->next) {
+ if (pwfb->hDC == hdc)
+ break;
+ prev = pwfb;
+ }
+ if (pwfb) {
+ struct gl_framebuffer *fb;
+ if (pwfb == FirstFramebuffer)
+ FirstFramebuffer = pwfb->next;
+ else
+ prev->next = pwfb->next;
+ fb = &pwfb->Base;
+ _mesa_reference_framebuffer(&fb, NULL);
+ }
+}
-/* If we are double-buffering, we want to get the DC for the
- * off-screen DIB, otherwise the DC for the window.
+/**
+ * Given an hdc, return the corresponding WMesaFramebuffer
*/
-#define DD_GETDC ((Current->db_flag) ? Current->dib.hDC : Current->hDC )
-#define DD_RELEASEDC
-
-#define FLIP(Y) (Current->height-(Y)-1)
-
-#define DITHER_RGB_TO_8BIT_SETUP \
-GLubyte pixelDithered;
-
-#define DITHER_RGB_TO_8BIT(red, green, blue, pixel, scanline) \
-{ \
- char unsigned redtemp, greentemp, bluetemp, paletteindex; \
- redtemp = aDividedBy51[red] \
- + (aModulo51[red] > aHalftone8x8[(pixel%8)*8 \
- + scanline%8]); \
- greentemp = aDividedBy51[(char unsigned)green] \
- + (aModulo51[green] > aHalftone8x8[ \
- (pixel%8)*8 + scanline%8]); \
- bluetemp = aDividedBy51[(char unsigned)blue] \
- + (aModulo51[blue] > aHalftone8x8[ \
- (pixel%8)*8 +scanline%8]); \
- paletteindex = redtemp + aTimes6[greentemp] + aTimes36[bluetemp];\
- pixelDithered = aWinGHalftoneTranslation[paletteindex]; \
+WMesaFramebuffer
+wmesa_lookup_framebuffer(HDC hdc)
+{
+ WMesaFramebuffer pwfb;
+ for (pwfb = FirstFramebuffer; pwfb; pwfb = pwfb->next) {
+ if (pwfb->hDC == hdc)
+ return pwfb;
+ }
+ return NULL;
}
-#ifdef DDRAW
-static BOOL DDInit( WMesaContext wc, HWND hwnd);
-static void DDFree( WMesaContext wc);
-static HRESULT DDRestoreAll( WMesaContext wc );
-static void DDDeleteOffScreen(WMesaContext wc);
-static BOOL DDCreateOffScreen(WMesaContext wc);
-
-// define this to use the GDI Rectangle call to
-// clear the back buffer. Otherwise will manually
-// set the pixels. On an NVidia GEForce 2MX under Windows XP
-// and DirectX 8 , defining this makes apps run much much faster
-#define USE_GDI_TO_CLEAR 1
-#endif
-BOOL wmCreateBackingStore(PWMC pwc, long lxSize, long lySize);
-BOOL wmDeleteBackingStore(PWMC pwc);
-void wmCreatePalette( PWMC pwdc );
-BOOL wmSetDibColors(PWMC pwc);
-void wmSetPixel(PWMC pwc, int iScanLine, int iPixel, BYTE r, BYTE g, BYTE b);
-BOOL wmFlush(PWMC pwc);
-void wmCreateDIBSection(
- HDC hDC,
- PWMC pwc, // handle of device context
- CONST BITMAPINFO *pbmi, // bitmap size, format, and color data
- UINT iUsage // color data type indicator: RGB values or palette indices
- );
-void WMesaViewport( GLcontext *ctx,
- GLint x, GLint y, GLsizei width, GLsizei height );
-
-
-static void wmSetPixelFormat( PWMC wc, HDC hDC)
+/**
+ * Given a GLframebuffer, return the corresponding WMesaFramebuffer.
+ */
+static WMesaFramebuffer wmesa_framebuffer(GLframebuffer *fb)
{
- 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;
- }
+ return (WMesaFramebuffer) fb;
}
-/* This function sets the color table of a DIB section
- * to match that of the destination DC
+/**
+ * Given a GLcontext, return the corresponding WMesaContext.
*/
-BOOL wmSetDibColors(PWMC pwc)
+static WMesaContext wmesa_context(const GLcontext *ctx)
{
- 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;
+ return (WMesaContext) ctx;
}
/*
- * Free up the dib section that was created
+ * Every driver should implement a GetString function in order to
+ * return a meaningful GL_RENDERER string.
*/
-BOOL wmDeleteBackingStore(PWMC pwc)
+static const GLubyte *wmesa_get_string(GLcontext *ctx, GLenum name)
{
- SelectObject(pwc->dib.hDC, pwc->hOldBitmap);
- DeleteDC(pwc->dib.hDC);
- DeleteObject(pwc->hbmDIB);
-#ifdef USE_MAPPED_FILE
- UnmapViewOfFile(pwc->dib.base);
- CloseHandle(pwc->dib.hFileMap);
-#endif
- return TRUE;
+ return (name == GL_RENDERER) ?
+ (GLubyte *) "Mesa Windows GDI Driver" : NULL;
}
/*
- * This function creates the DIB section that is used for combined
- * GL and GDI calls
+ * Determine the pixel format based on the pixel size.
*/
-BOOL wmCreateBackingStore(PWMC pwc, long lxSize, long lySize)
-{
- HDC hdc = pwc->hDC;
- LPBITMAPINFO pbmi = &(pwc->bmi);
- int iUsage;
-
- pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
- pbmi->bmiHeader.biWidth = lxSize;
- pbmi->bmiHeader.biHeight= -lySize;
- pbmi->bmiHeader.biPlanes = 1;
- if(pwc->rgb_flag)
- pbmi->bmiHeader.biBitCount = GetDeviceCaps(pwc->hDC, BITSPIXEL);
- else
- pbmi->bmiHeader.biBitCount = 8;
- pbmi->bmiHeader.biCompression = BI_RGB;
- pbmi->bmiHeader.biSizeImage = 0;
- pbmi->bmiHeader.biXPelsPerMeter = 0;
- pbmi->bmiHeader.biYPelsPerMeter = 0;
- pbmi->bmiHeader.biClrUsed = 0;
- pbmi->bmiHeader.biClrImportant = 0;
-
- iUsage = (pbmi->bmiHeader.biBitCount <= 8) ? DIB_PAL_COLORS : DIB_RGB_COLORS;
-
- pwc->cColorBits = pbmi->bmiHeader.biBitCount;
- pwc->ScanWidth = pwc->pitch = lxSize;
-
- wmCreateDIBSection(hdc, pwc, pbmi, iUsage);
-
- if ((iUsage == DIB_PAL_COLORS) && !(pwc->hGLPalette)) {
- wmCreatePalette( pwc );
- wmSetDibColors( pwc );
- }
- wmSetPixelFormat(pwc, pwc->hDC);
- return TRUE;
+static void wmSetPixelFormat(WMesaFramebuffer pwfb, HDC hDC)
+{
+ pwfb->cColorBits = GetDeviceCaps(hDC, BITSPIXEL);
+
+ /* Only 16 and 32 bit targets are supported now */
+ assert(pwfb->cColorBits == 0 ||
+ pwfb->cColorBits == 16 ||
+ pwfb->cColorBits == 24 ||
+ pwfb->cColorBits == 32);
+
+ switch(pwfb->cColorBits){
+ case 8:
+ pwfb->pixelformat = PF_INDEX8;
+ break;
+ case 16:
+ pwfb->pixelformat = PF_5R6G5B;
+ break;
+ case 24:
+ case 32:
+ pwfb->pixelformat = PF_8R8G8B;
+ break;
+ default:
+ pwfb->pixelformat = PF_BADFORMAT;
+ }
}
-#if 0
-// D.R.S. 10/30/01 - this function is never referenced
-/*
- * This function copies one scan line in a DIB section to another
+
+/**
+ * Create DIB for back buffer.
+ * We write into this memory with the span routines and then blit it
+ * to the window on a buffer swap.
*/
-BOOL wmSetDIBits(PWMC pwc, UINT uiScanWidth, UINT uiNumScans,
- UINT nBypp, UINT uiNewWidth, LPBYTE pBits)
-{
- UINT uiScans = 0;
- LPBYTE pDest = pwc->pbPixels;
- DWORD dwNextScan = uiScanWidth;
- DWORD dwNewScan = uiNewWidth;
- DWORD dwScanWidth = (uiScanWidth * nBypp);
-
- /*
- * We need to round up to the nearest DWORD
- * and multiply by the number of bytes per
- * pixel
- */
- dwNextScan = (((dwNextScan * nBypp)+ 3) & ~3);
- dwNewScan = (((dwNewScan * nBypp)+ 3) & ~3);
-
- for(uiScans = 0; uiScans < uiNumScans; uiScans++){
- CopyMemory(pDest, pBits, dwScanWidth);
- pBits += dwNextScan;
- pDest += dwNewScan;
- }
- return TRUE;
+BOOL wmCreateBackingStore(WMesaFramebuffer pwfb, long lxSize, long lySize)
+{
+ HDC hdc = pwfb->hDC;
+ LPBITMAPINFO pbmi = &(pwfb->bmi);
+ HDC hic;
+
+ pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
+ pbmi->bmiHeader.biWidth = lxSize;
+ pbmi->bmiHeader.biHeight= -lySize;
+ pbmi->bmiHeader.biPlanes = 1;
+ pbmi->bmiHeader.biBitCount = GetDeviceCaps(pwfb->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;
+
+ pwfb->cColorBits = pbmi->bmiHeader.biBitCount;
+ pwfb->ScanWidth = (lxSize * (pwfb->cColorBits / 8) + 3) & ~3;
+
+ hic = CreateIC("display", NULL, NULL, NULL);
+ pwfb->dib_hDC = CreateCompatibleDC(hic);
+
+ pwfb->hbmDIB = CreateDIBSection(hic,
+ &pwfb->bmi,
+ DIB_RGB_COLORS,
+ (void **)&(pwfb->pbPixels),
+ 0,
+ 0);
+ pwfb->hOldBitmap = SelectObject(pwfb->dib_hDC, pwfb->hbmDIB);
+
+ DeleteDC(hic);
+
+ wmSetPixelFormat(pwfb, pwfb->hDC);
+ return TRUE;
}
-#endif // 0
-#if defined(FAST_RASTERIZERS)
-#define PIXELADDR(X,Y) \
- ((GLubyte *)Current->pbPixels + (Current->height-Y-1)* \
- Current->ScanWidth + (X)*nBypp)
-#define PIXELADDR1( X, Y ) \
-((GLubyte *)wmesa->pbPixels + (wmesa->height-Y-1)* wmesa->ScanWidth + (X))
-#define PIXELADDR2( X, Y ) \
-((GLubyte *)wmesa->pbPixels + (wmesa->height-Y-1)* wmesa->ScanWidth + (X)*2)
-#define PIXELADDR4( X, Y ) \
-((GLubyte *)wmesa->pbPixels + (wmesa->height-Y-1)* wmesa->ScanWidth + (X)*4)
+static wmDeleteBackingStore(WMesaFramebuffer pwfb)
+{
+ if (pwfb->hbmDIB) {
+ SelectObject(pwfb->dib_hDC, pwfb->hOldBitmap);
+ DeleteDC(pwfb->dib_hDC);
+ DeleteObject(pwfb->hbmDIB);
+ }
+}
-#endif // 0
-BYTE DITHER_RGB_2_8BIT( int r, int g, int b, int x, int y);
+/**
+ * Find the width and height of the window named by hdc.
+ */
+static void
+get_window_size(HDC hdc, GLuint *width, GLuint *height)
+{
+ if (WindowFromDC(hdc)) {
+ RECT rect;
+ GetClientRect(WindowFromDC(hdc), &rect);
+ *width = rect.right - rect.left;
+ *height = rect.bottom - rect.top;
+ }
+ else { /* Memory context */
+ /* From contributed code - use the size of the desktop
+ * for the size of a memory context (?) */
+ *width = GetDeviceCaps(hdc, HORZRES);
+ *height = GetDeviceCaps(hdc, VERTRES);
+ }
+}
-#if 0 /* unused */
-/* Finish all pending operations and synchronize. */
-static void finish(GLcontext* ctx)
+static void
+wmesa_get_buffer_size(GLframebuffer *buffer, GLuint *width, GLuint *height)
{
- /* No op */
- (void) ctx;
+ WMesaFramebuffer pwfb = wmesa_framebuffer(buffer);
+ get_window_size(pwfb->hDC, width, height);
}
-#endif /* unused */
-static void flush(GLcontext* ctx)
+static void wmesa_flush(GLcontext *ctx)
{
- (void) ctx;
- if((Current->rgb_flag &&!(Current->db_flag))
- ||(!Current->rgb_flag))
- {
- wmFlush(Current);
+ WMesaContext pwc = wmesa_context(ctx);
+ WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->WinSysDrawBuffer);
+
+ if (ctx->Visual.doubleBufferMode == 1) {
+ BitBlt(pwfb->hDC, 0, 0, pwfb->Base.Width, pwfb->Base.Height,
+ pwfb->dib_hDC, 0, 0, SRCCOPY);
+ }
+ else {
+ /* Do nothing for single buffer */
}
-
}
+/**********************************************************************/
+/***** CLEAR Functions *****/
+/**********************************************************************/
+
+/* If we do not implement these, Mesa clears the buffers via the pixel
+ * span writing interface, which is very slow for a clear operation.
+ */
/*
* Set the color index used to clear the color buffer.
*/
-static void clear_index(GLcontext* ctx, GLuint index)
+static void clear_index(GLcontext *ctx, GLuint index)
{
- (void) ctx;
- Current->clearpixel = index;
+ WMesaContext pwc = wmesa_context(ctx);
+ /* Note that indexed mode is not supported yet */
+ pwc->clearColorRef = RGB(0,0,0);
}
-
-
/*
* Set the color used to clear the color buffer.
*/
-static void clear_color( GLcontext* ctx, const GLfloat color[4] )
+static void clear_color(GLcontext *ctx, const GLfloat color[4])
{
- GLubyte col[4];
- (void) ctx;
- 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]);
+ WMesaContext pwc = wmesa_context(ctx);
+ WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer);
+ GLubyte col[3];
+ UINT bytesPerPixel = pwfb->cColorBits / 8;
+
+ CLAMPED_FLOAT_TO_UBYTE(col[0], color[0]);
+ CLAMPED_FLOAT_TO_UBYTE(col[1], color[1]);
+ CLAMPED_FLOAT_TO_UBYTE(col[2], color[2]);
+ pwc->clearColorRef = RGB(col[0], col[1], col[2]);
+ DeleteObject(pwc->clearPen);
+ DeleteObject(pwc->clearBrush);
+ pwc->clearPen = CreatePen(PS_SOLID, 1, pwc->clearColorRef);
+ pwc->clearBrush = CreateSolidBrush(pwc->clearColorRef);
}
* This procedure clears either the front and/or the back COLOR buffers.
* Only the "left" buffer is cleared since we are not stereo.
* Clearing of the other non-color buffers is left to the swrast.
- * We also only clear the color buffers if the color masks are all 1's.
- * Otherwise, we let swrast do it.
*/
-static void clear(GLcontext* ctx, GLbitfield mask,
- GLboolean all, GLint x, GLint y, GLint width, GLint height)
-{
- const GLuint *colorMask = (GLuint *) &ctx->Color.ColorMask;
-
- if (all){
- x=y=0;
- width=Current->width;
- height=Current->height;
- }
-
-
- /* sanity check - can't have right(stereo) buffers */
- assert((mask & (DD_FRONT_RIGHT_BIT | DD_BACK_RIGHT_BIT)) == 0);
-
- /* clear alpha */
- if ((mask & (DD_FRONT_LEFT_BIT | DD_BACK_LEFT_BIT)) &&
- ctx->DrawBuffer->UseSoftwareAlphaBuffers &&
- ctx->Color.ColorMask[ACOMP]) {
- _swrast_clear_alpha_buffers( ctx );
- }
+static void clear(GLcontext *ctx, GLbitfield mask)
+{
+#define FLIP(Y) (ctx->DrawBuffer->Height - (Y) - 1)
+ const GLint x = ctx->DrawBuffer->_Xmin;
+ const GLint y = ctx->DrawBuffer->_Ymin;
+ const GLint height = ctx->DrawBuffer->_Ymax - ctx->DrawBuffer->_Ymin;
+ const GLint width = ctx->DrawBuffer->_Xmax - ctx->DrawBuffer->_Xmin;
+
+ WMesaContext pwc = wmesa_context(ctx);
+ WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer);
+ int done = 0;
+
+ /* Let swrast do all the work if the masks are not set to
+ * clear all channels. */
+ if (!ctx->Color.ColorMask[0][0] ||
+ !ctx->Color.ColorMask[0][1] ||
+ !ctx->Color.ColorMask[0][2] ||
+ !ctx->Color.ColorMask[0][3]) {
+ _swrast_Clear(ctx, mask);
+ return;
+ }
- if (*colorMask == 0xffffffff && ctx->Color.IndexMask == 0xffffffff) {
- if (mask & DD_BACK_LEFT_BIT) {
-#if defined(USE_GDI_TO_CLEAR)
-#if defined(DDRAW)
- // D.R.S. 10/29/01 on my system (Pentium 4 with nvidia GeForce2 MX card,
- // this is almose 100 times faster that the code below
- HDC DC=NULL;
- HPEN Pen=CreatePen(PS_SOLID,1,Current->clearpixel);
- HBRUSH Brush=CreateSolidBrush(Current->clearpixel);
- HPEN Old_Pen=NULL;
- HBRUSH Old_Brush=NULL;
- Current->lpDDSOffScreen->lpVtbl->Unlock(Current->lpDDSOffScreen,NULL);
- Current->lpDDSOffScreen->lpVtbl->GetDC(Current->lpDDSOffScreen,&DC);
- Old_Pen=SelectObject(DC,Pen);
- Old_Brush=SelectObject(DC,Brush);
- Rectangle(DC,x,y,x+width,y+height);
- SelectObject(DC,Old_Pen);
- SelectObject(DC,Old_Brush);
- DeleteObject(Pen);
- DeleteObject(Brush);
- Current->lpDDSOffScreen->lpVtbl->ReleaseDC(Current->lpDDSOffScreen,DC);
- while (Current->lpDDSOffScreen->lpVtbl->Lock(Current->lpDDSOffScreen,NULL, &(Current->ddsd), 0, NULL) == DDERR_WASSTILLDRAWING);
-
- mask &= ~DD_BACK_LEFT_BIT;
-#else
- /* single-buffer */
- HDC DC=DD_GETDC;
- HPEN Pen=CreatePen(PS_SOLID,1,Current->clearpixel);
- HBRUSH Brush=CreateSolidBrush(Current->clearpixel);
- HPEN Old_Pen=SelectObject(DC,Pen);
- HBRUSH Old_Brush=SelectObject(DC,Brush);
- Rectangle(DC,x+Current->rectSurface.left,Current->rectSurface.top+y,x+width+Current->rectSurface.left,y+height+Current->rectSurface.top);
-
- SelectObject(DC,Old_Pen);
- SelectObject(DC,Old_Brush);
- DeleteObject(Pen);
- DeleteObject(Brush);
- DD_RELEASEDC;
- mask &= ~DD_BACK_LEFT_BIT;
-#endif // DDRAW
-#else
- DWORD dwColor;
- WORD wColor;
- BYTE bColor;
- LPDWORD lpdw = (LPDWORD)Current->pbPixels;
- /*LPWORD lpw = (LPWORD)Current->pbPixels; */
- LPBYTE lpb = Current->pbPixels;
- int lines;
- /* Double-buffering - clear back buffer */
- UINT nBypp = Current->cColorBits / 8;
- int i = 0;
- int iSize = 0;
- int mult = 4;
-
-
- assert(Current->db_flag==GL_TRUE); /* we'd better be double buffer */
- if(nBypp ==1 ){
- iSize = Current->width/4;
- bColor = BGR8(GetRValue(Current->clearpixel),
- GetGValue(Current->clearpixel),
- GetBValue(Current->clearpixel));
- wColor = MAKEWORD(bColor,bColor);
- dwColor = MAKELONG(wColor, wColor);
- }
- else if(nBypp == 2){
- iSize = Current->width / 2;
- wColor = BGR16(GetRValue(Current->clearpixel),
- GetGValue(Current->clearpixel),
- GetBValue(Current->clearpixel));
- dwColor = MAKELONG(wColor, wColor);
- }
- else if(nBypp == 3){
- BYTE r, g, b;
- r = GetRValue(Current->clearpixel);
- g = GetGValue(Current->clearpixel);
- b = GetBValue(Current->clearpixel);
- iSize = Current->width;
- while (i < iSize) {
- *lpb++ = b;
- *lpb++ = g;
- *lpb++ = r;
- i++;
- }
- lpb = Current->pbPixels + Current->ScanWidth;
- mult = 3;
- }
- else if(nBypp == 4){
- iSize = Current->width;
- dwColor = BGR32(GetRValue(Current->clearpixel),
- GetGValue(Current->clearpixel),
- GetBValue(Current->clearpixel));
- }
- else
- dwColor = 0;
-
- if (nBypp != 3)
- {
- /* clear a line */
- while(i < iSize){
- *lpdw = dwColor;
- lpdw++;
- i++;
- }
- }
-
- i = 0;
- if (stereo_flag)
- lines = height /2;
- else
- lines = height;
- /* copy cleared line to other lines in buffer */
- do {
- memcpy(lpb, Current->pbPixels, iSize*mult);
- lpb += Current->ScanWidth;
- i++;
- }
- while (i<lines-1);
- mask &= ~DD_BACK_LEFT_BIT;
-#endif // defined(USE_GDI_TO_CLEAR)
- } /* double-buffer */
-
- if (mask & DD_FRONT_LEFT_BIT) {
- /* single-buffer */
- HDC DC=DD_GETDC;
- HPEN Pen=CreatePen(PS_SOLID,1,Current->clearpixel);
- HBRUSH Brush=CreateSolidBrush(Current->clearpixel);
- HPEN Old_Pen=SelectObject(DC,Pen);
- HBRUSH Old_Brush=SelectObject(DC,Brush);
- Rectangle(DC,x+Current->rectSurface.left,Current->rectSurface.top+y,x+width+Current->rectSurface.left,y+height+Current->rectSurface.top);
-
- SelectObject(DC,Old_Pen);
- SelectObject(DC,Old_Brush);
- DeleteObject(Pen);
- DeleteObject(Brush);
- DD_RELEASEDC;
- mask &= ~DD_FRONT_LEFT_BIT;
- } /* single-buffer */
- } /* if masks are all 1's */
+ /* Back buffer */
+ if (mask & BUFFER_BIT_BACK_LEFT) {
+
+ int i, rowSize;
+ UINT bytesPerPixel = pwfb->cColorBits / 8;
+ LPBYTE lpb, clearRow;
+ LPWORD lpw;
+ BYTE bColor;
+ WORD wColor;
+ BYTE r, g, b;
+ DWORD dwColor;
+ LPDWORD lpdw;
+
+ /* Try for a fast clear - clearing entire buffer with a single
+ * byte value. */
+ if (width == ctx->DrawBuffer->Width &&
+ height == ctx->DrawBuffer->Height) { /* entire buffer */
+ /* Now check for an easy clear value */
+ switch (bytesPerPixel) {
+ case 1:
+ bColor = BGR8(GetRValue(pwc->clearColorRef),
+ GetGValue(pwc->clearColorRef),
+ GetBValue(pwc->clearColorRef));
+ memset(pwfb->pbPixels, bColor,
+ pwfb->ScanWidth * height);
+ done = 1;
+ break;
+ case 2:
+ wColor = BGR16(GetRValue(pwc->clearColorRef),
+ GetGValue(pwc->clearColorRef),
+ GetBValue(pwc->clearColorRef));
+ if (((wColor >> 8) & 0xff) == (wColor & 0xff)) {
+ memset(pwfb->pbPixels, wColor & 0xff,
+ pwfb->ScanWidth * height);
+ done = 1;
+ }
+ break;
+ case 3:
+ /* fall through */
+ case 4:
+ if (GetRValue(pwc->clearColorRef) ==
+ GetGValue(pwc->clearColorRef) &&
+ GetRValue(pwc->clearColorRef) ==
+ GetBValue(pwc->clearColorRef)) {
+ memset(pwfb->pbPixels,
+ GetRValue(pwc->clearColorRef),
+ pwfb->ScanWidth * height);
+ done = 1;
+ }
+ break;
+ default:
+ break;
+ }
+ } /* all */
+
+ if (!done) {
+ /* Need to clear a row at a time. Begin by setting the first
+ * row in the area to be cleared to the clear color. */
+
+ clearRow = pwfb->pbPixels +
+ pwfb->ScanWidth * FLIP(y) +
+ bytesPerPixel * x;
+ switch (bytesPerPixel) {
+ case 1:
+ lpb = clearRow;
+ bColor = BGR8(GetRValue(pwc->clearColorRef),
+ GetGValue(pwc->clearColorRef),
+ GetBValue(pwc->clearColorRef));
+ memset(lpb, bColor, width);
+ break;
+ case 2:
+ lpw = (LPWORD)clearRow;
+ wColor = BGR16(GetRValue(pwc->clearColorRef),
+ GetGValue(pwc->clearColorRef),
+ GetBValue(pwc->clearColorRef));
+ for (i=0; i<width; i++)
+ *lpw++ = wColor;
+ break;
+ case 3:
+ lpb = clearRow;
+ r = GetRValue(pwc->clearColorRef);
+ g = GetGValue(pwc->clearColorRef);
+ b = GetBValue(pwc->clearColorRef);
+ for (i=0; i<width; i++) {
+ *lpb++ = b;
+ *lpb++ = g;
+ *lpb++ = r;
+ }
+ break;
+ case 4:
+ lpdw = (LPDWORD)clearRow;
+ dwColor = BGR32(GetRValue(pwc->clearColorRef),
+ GetGValue(pwc->clearColorRef),
+ GetBValue(pwc->clearColorRef));
+ for (i=0; i<width; i++)
+ *lpdw++ = dwColor;
+ break;
+ default:
+ break;
+ } /* switch */
+
+ /* copy cleared row to other rows in buffer */
+ lpb = clearRow - pwfb->ScanWidth;
+ rowSize = width * bytesPerPixel;
+ for (i=1; i<height; i++) {
+ memcpy(lpb, clearRow, rowSize);
+ lpb -= pwfb->ScanWidth;
+ }
+ } /* not done */
+ mask &= ~BUFFER_BIT_BACK_LEFT;
+ } /* back buffer */
+
+ /* front buffer */
+ if (mask & BUFFER_BIT_FRONT_LEFT) {
+ HDC DC = pwc->hDC;
+ HPEN Old_Pen = SelectObject(DC, pwc->clearPen);
+ HBRUSH Old_Brush = SelectObject(DC, pwc->clearBrush);
+ Rectangle(DC,
+ x,
+ FLIP(y) + 1,
+ x + width + 1,
+ FLIP(y) - height + 1);
+ SelectObject(DC, Old_Pen);
+ SelectObject(DC, Old_Brush);
+ mask &= ~BUFFER_BIT_FRONT_LEFT;
+ } /* front buffer */
- /* Call swrast if there is anything left to clear (like DEPTH) */
- if (mask)
- _swrast_Clear( ctx, mask, all, x, y, width, height );
-}
-
-
-static void enable( GLcontext* ctx, GLenum pname, GLboolean enable )
-{
- (void) ctx;
- if (!Current)
- return;
+ /* Call swrast if there is anything left to clear (like DEPTH) */
+ if (mask)
+ _swrast_Clear(ctx, mask);
- if (pname == GL_DITHER) {
- if(enable == GL_FALSE){
- Current->dither_flag = GL_FALSE;
- if(Current->cColorBits == 8)
- Current->pixelformat = PF_INDEX8;
- }
- else{
- if (Current->rgb_flag && Current->cColorBits == 8){
- Current->pixelformat = PF_DITHER8;
- Current->dither_flag = GL_TRUE;
- }
- else
- Current->dither_flag = GL_FALSE;
- }
- }
-}
+#undef FLIP
+}
+/**********************************************************************/
+/***** PIXEL Functions *****/
+/**********************************************************************/
-static void set_buffer(GLcontext *ctx, GLframebuffer *colorBuffer,
- GLuint bufferBit )
-{
- (void) ctx; (void) colorBuffer; (void) bufferBit;
- /* XXX todo - examine bufferBit and set read/write pointers */
- return;
-}
+#define FLIP(Y) (rb->Height - (Y) - 1)
+/**
+ ** Front Buffer reading/writing
+ ** These are slow, but work with all non-indexed visual types.
+ **/
-/* Return characteristics of the output buffer. */
-static void buffer_size( GLframebuffer *buffer, GLuint *width, GLuint *height )
-{
- /*GET_CURRENT_CONTEXT(ctx);*/
- int New_Size;
- RECT CR;
- (void) buffer;
-
- GetClientRect(Current->Window,&CR);
-
- *width=CR.right;
- *height=CR.bottom;
-
- New_Size=((*width)!=Current->width) || ((*height)!=Current->height);
-
- if (New_Size){
- Current->width=*width;
- Current->height=*height;
- Current->ScanWidth=Current->width;
- if ((Current->ScanWidth%sizeof(long))!=0)
- Current->ScanWidth+=(sizeof(long)-(Current->ScanWidth%sizeof(long)));
-
- if (Current->db_flag){
-#ifdef DDRAW
- DDDeleteOffScreen(Current);
- DDCreateOffScreen(Current);
-#else
- if (Current->rgb_flag==GL_TRUE && Current->dither_flag!=GL_TRUE){
- wmDeleteBackingStore(Current);
- wmCreateBackingStore(Current, Current->width, Current->height);
- }
-#endif
- }
-
- /* Resize OsmesaBuffer if in Parallel mode */
-#if !defined(NO_PARALLEL)
- if(parallelFlag)
- PRSizeRenderBuffer(Current->width, Current->height,Current->ScanWidth,
- Current->rgb_flag == GL_TRUE ? Current->pbPixels:
- Current->ScreenMem);
-#endif
+/* Write a horizontal span of RGBA color pixels with a boolean mask. */
+static void write_rgba_span_front(const GLcontext *ctx,
+ struct gl_renderbuffer *rb,
+ GLuint n, GLint x, GLint y,
+ const GLubyte rgba[][4],
+ const GLubyte mask[] )
+{
+ WMesaContext pwc = wmesa_context(ctx);
+ WMesaFramebuffer pwfb = wmesa_lookup_framebuffer(pwc->hDC);
+ CONST BITMAPINFO bmi=
+ {
+ {
+ sizeof(BITMAPINFOHEADER),
+ n, 1, 1, 32, BI_RGB, 0, 1, 1, 0, 0
+ }
+ };
+ HBITMAP bmp=0;
+ HDC mdc=0;
+ typedef union
+ {
+ unsigned i;
+ struct {
+ unsigned b:8, g:8, r:8, a:8;
+ };
+ } BGRA;
+ BGRA *bgra, c;
+ int i;
+
+ if (n < 16) { // the value 16 is just guessed
+ y=FLIP(y);
+ if (mask) {
+ for (i=0; i<n; i++)
+ if (mask[i])
+ SetPixel(pwc->hDC, x+i, y,
+ RGB(rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]));
+ }
+ else {
+ for (i=0; i<n; i++)
+ SetPixel(pwc->hDC, x+i, y,
+ RGB(rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]));
+ }
+ }
+ else {
+ if (!pwfb) {
+ _mesa_problem(NULL, "wmesa: write_rgba_span_front on unknown hdc");
+ return;
+ }
+ bgra=malloc(n*sizeof(BGRA));
+ if (!bgra) {
+ _mesa_problem(NULL, "wmesa: write_rgba_span_front: out of memory");
+ return;
+ }
+ c.a=0;
+ if (mask) {
+ for (i=0; i<n; i++) {
+ if (mask[i]) {
+ c.r=rgba[i][RCOMP];
+ c.g=rgba[i][GCOMP];
+ c.b=rgba[i][BCOMP];
+ c.a=rgba[i][ACOMP];
+ bgra[i]=c;
+ }
+ else
+ bgra[i].i=0;
+ }
+ }
+ else {
+ for (i=0; i<n; i++) {
+ c.r=rgba[i][RCOMP];
+ c.g=rgba[i][GCOMP];
+ c.b=rgba[i][BCOMP];
+ c.a=rgba[i][ACOMP];
+ bgra[i]=c;
+ }
+ }
+ bmp=CreateBitmap(n, 1, 1, 32, bgra);
+ mdc=CreateCompatibleDC(pwfb->hDC);
+ SelectObject(mdc, bmp);
+ y=FLIP(y);
+ BitBlt(pwfb->hDC, x, y, n, 1, mdc, 0, 0, SRCCOPY);
+ SelectObject(mdc, 0);
+ DeleteObject(bmp);
+ DeleteDC(mdc);
+ free(bgra);
}
}
-
-
-/**********************************************************************/
-/***** Accelerated point, line, polygon rendering *****/
-/**********************************************************************/
-
-/* Accelerated routines are not implemented in 4.0. See OSMesa for ideas. */
-
-#if 0 /* unused */
-
-static void fast_rgb_points( GLcontext* ctx, GLuint first, GLuint last )
-{
- (void) ctx; (void) first; (void) last;
+/* Write a horizontal span of RGB color pixels with a boolean mask. */
+static void write_rgb_span_front(const GLcontext *ctx,
+ struct gl_renderbuffer *rb,
+ GLuint n, GLint x, GLint y,
+ const GLubyte rgb[][3],
+ const GLubyte mask[] )
+{
+ WMesaContext pwc = wmesa_context(ctx);
+ GLuint i;
+
+ (void) ctx;
+ y=FLIP(y);
+ if (mask) {
+ for (i=0; i<n; i++)
+ if (mask[i])
+ SetPixel(pwc->hDC, x+i, y, RGB(rgb[i][RCOMP], rgb[i][GCOMP],
+ rgb[i][BCOMP]));
+ }
+ else {
+ for (i=0; i<n; i++)
+ SetPixel(pwc->hDC, x+i, y, RGB(rgb[i][RCOMP], rgb[i][GCOMP],
+ rgb[i][BCOMP]));
+ }
+
}
-#endif /* unused */
-
-/* Return pointer to accelerated points function */
-extern tnl_points_func choose_points_function( GLcontext* ctx )
+/*
+ * Write a horizontal span of pixels with a boolean mask. The current color
+ * is used for all pixels.
+ */
+static void write_mono_rgba_span_front(const GLcontext *ctx,
+ struct gl_renderbuffer *rb,
+ GLuint n, GLint x, GLint y,
+ const GLchan color[4],
+ const GLubyte mask[])
{
- (void) ctx;
- return NULL;
-}
+ GLuint i;
+ WMesaContext pwc = wmesa_context(ctx);
+ COLORREF colorref;
-#if 0 /* unused */
+ (void) ctx;
+ colorref = RGB(color[RCOMP], color[GCOMP], color[BCOMP]);
+ y=FLIP(y);
+ if (mask) {
+ for (i=0; i<n; i++)
+ if (mask[i])
+ SetPixel(pwc->hDC, x+i, y, colorref);
+ }
+ else
+ for (i=0; i<n; i++)
+ SetPixel(pwc->hDC, x+i, y, colorref);
-static void fast_flat_rgb_line( GLcontext* ctx, GLuint v0,
- GLuint v1, GLuint pv )
-{
- (void) ctx; (void) v0; (void) v1; (void) pv;
}
-static tnl_line_func choose_line_function( GLcontext* ctx )
-{
- (void) ctx;
+/* Write an array of RGBA pixels with a boolean mask. */
+static void write_rgba_pixels_front(const GLcontext *ctx,
+ struct gl_renderbuffer *rb,
+ GLuint n,
+ const GLint x[], const GLint y[],
+ const GLubyte rgba[][4],
+ const GLubyte mask[] )
+{
+ GLuint i;
+ WMesaContext pwc = wmesa_context(ctx);
+ (void) ctx;
+ for (i=0; i<n; i++)
+ if (mask[i])
+ SetPixel(pwc->hDC, x[i], FLIP(y[i]),
+ RGB(rgba[i][RCOMP], rgba[i][GCOMP],
+ rgba[i][BCOMP]));
}
-#endif /* unused */
-/**********************************************************************/
-/***** Span-based pixel drawing *****/
-/**********************************************************************/
+/*
+ * Write an array of pixels with a boolean mask. The current color
+ * is used for all pixels.
+ */
+static void write_mono_rgba_pixels_front(const GLcontext *ctx,
+ struct gl_renderbuffer *rb,
+ GLuint n,
+ const GLint x[], const GLint y[],
+ const GLchan color[4],
+ const GLubyte mask[] )
+{
+ GLuint i;
+ WMesaContext pwc = wmesa_context(ctx);
+ COLORREF colorref;
+ (void) ctx;
+ colorref = RGB(color[RCOMP], color[GCOMP], color[BCOMP]);
+ for (i=0; i<n; i++)
+ if (mask[i])
+ SetPixel(pwc->hDC, x[i], FLIP(y[i]), colorref);
+}
-/* Write a horizontal span of 32-bit color-index pixels with a boolean mask. */
-static void write_ci32_span( const GLcontext* ctx,
- GLuint n, GLint x, GLint y,
- const GLuint index[],
- const GLubyte mask[] )
-{
- GLuint i;
- PBYTE Mem=Current->ScreenMem+FLIP(y)*Current->ScanWidth+x;
- (void) ctx;
- assert(Current->rgb_flag==GL_FALSE);
- for (i=0; i<n; i++)
- if (mask[i])
- Mem[i]=index[i];
+/* Read a horizontal span of color pixels. */
+static void read_rgba_span_front(const GLcontext *ctx,
+ struct gl_renderbuffer *rb,
+ GLuint n, GLint x, GLint y,
+ GLubyte rgba[][4] )
+{
+ WMesaContext pwc = wmesa_context(ctx);
+ GLuint i;
+ COLORREF Color;
+ y = FLIP(y);
+ for (i=0; i<n; i++) {
+ Color = GetPixel(pwc->hDC, x+i, y);
+ rgba[i][RCOMP] = GetRValue(Color);
+ rgba[i][GCOMP] = GetGValue(Color);
+ rgba[i][BCOMP] = GetBValue(Color);
+ rgba[i][ACOMP] = 255;
+ }
}
-/* Write a horizontal span of 8-bit color-index pixels with a boolean mask. */
-static void write_ci8_span( const GLcontext* ctx,
- GLuint n, GLint x, GLint y,
- const GLubyte index[],
- const GLubyte mask[] )
-{
- GLuint i;
- PBYTE Mem=Current->ScreenMem+FLIP(y)*Current->ScanWidth+x;
- (void) ctx;
- assert(Current->rgb_flag==GL_FALSE);
- for (i=0; i<n; i++)
- if (mask[i])
- Mem[i]=index[i];
+/* Read an array of color pixels. */
+static void read_rgba_pixels_front(const GLcontext *ctx,
+ struct gl_renderbuffer *rb,
+ GLuint n, const GLint x[], const GLint y[],
+ GLubyte rgba[][4])
+{
+ WMesaContext pwc = wmesa_context(ctx);
+ GLuint i;
+ COLORREF Color;
+ for (i=0; i<n; i++) {
+ GLint y2 = FLIP(y[i]);
+ Color = GetPixel(pwc->hDC, x[i], y2);
+ rgba[i][RCOMP] = GetRValue(Color);
+ rgba[i][GCOMP] = GetGValue(Color);
+ rgba[i][BCOMP] = GetBValue(Color);
+ rgba[i][ACOMP] = 255;
+ }
}
+/*********************************************************************/
+/* DOUBLE BUFFER 32-bit */
+
+#define WMSETPIXEL32(pwc, y, x, r, g, b) { \
+LPDWORD lpdw = ((LPDWORD)((pwc)->pbPixels + (pwc)->ScanWidth * (y)) + (x)); \
+*lpdw = BGR32((r),(g),(b)); }
-/*
- * Write a horizontal span of pixels with a boolean mask. The current
- * color index is used for all pixels.
- */
-static void write_mono_ci_span(const GLcontext* ctx,
- GLuint n,GLint x,GLint y,
- GLuint colorIndex, const GLubyte mask[])
-{
- GLuint i;
- BYTE *Mem=Current->ScreenMem+FLIP(y)*Current->ScanWidth+x;
- (void) ctx;
- assert(Current->rgb_flag==GL_FALSE);
- for (i=0; i<n; i++)
- if (mask[i])
- Mem[i]=colorIndex;
-}
-/*
- * To improve the performance of this routine, frob the data into an actual
- * scanline and call bitblt on the complete scan line instead of SetPixel.
- */
/* Write a horizontal span of RGBA color pixels with a boolean mask. */
-static void write_rgba_span( const GLcontext* ctx, GLuint n, GLint x, GLint y,
- const GLubyte rgba[][4], const GLubyte mask[] )
+static void write_rgba_span_32(const GLcontext *ctx,
+ struct gl_renderbuffer *rb,
+ GLuint n, GLint x, GLint y,
+ const GLubyte rgba[][4],
+ const GLubyte mask[] )
{
- PWMC pwc = Current;
- (void) ctx;
-
- if (pwc->rgb_flag==GL_TRUE)
- {
- GLuint i;
- /*HDC DC=DD_GETDC;*/
- y=FLIP(y);
- if (mask) {
- for (i=0; i<n; i++)
- if (mask[i])
- wmSetPixel(pwc, y, x + i,
- rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]);
- }
- else {
+ WMesaContext pwc = wmesa_context(ctx);
+ WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer);
+ GLuint i;
+ LPDWORD lpdw;
+
+ (void) ctx;
+
+ y=FLIP(y);
+ lpdw = ((LPDWORD)(pwfb->pbPixels + pwfb->ScanWidth * y)) + x;
+ if (mask) {
for (i=0; i<n; i++)
- wmSetPixel(pwc, y, x + i,
- rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] );
- }
- DD_RELEASEDC;
+ if (mask[i])
+ lpdw[i] = BGR32(rgba[i][RCOMP], rgba[i][GCOMP],
+ rgba[i][BCOMP]);
}
- else
- {
- GLuint i;
- BYTE *Mem=Current->ScreenMem+y*Current->ScanWidth+x;
- y = FLIP(y);
- if (mask) {
- for (i=0; i<n; i++)
- if (mask[i])
- Mem[i] = GetNearestPaletteIndex(Current->hPal,
- RGB(rgba[i][RCOMP],
- rgba[i][GCOMP],
- rgba[i][BCOMP]));
- }
- else {
+ else {
for (i=0; i<n; i++)
- Mem[i] = GetNearestPaletteIndex(Current->hPal,
- RGB(rgba[i][RCOMP],
- rgba[i][GCOMP],
- rgba[i][BCOMP]));
- }
+ *lpdw++ = BGR32(rgba[i][RCOMP], rgba[i][GCOMP],
+ rgba[i][BCOMP]);
}
}
+
/* Write a horizontal span of RGB color pixels with a boolean mask. */
-static void write_rgb_span( const GLcontext* ctx,
- GLuint n, GLint x, GLint y,
- const GLubyte rgb[][3], const GLubyte mask[] )
+static void write_rgb_span_32(const GLcontext *ctx,
+ struct gl_renderbuffer *rb,
+ GLuint n, GLint x, GLint y,
+ const GLubyte rgb[][3],
+ const GLubyte mask[] )
{
- PWMC pwc = Current;
- (void) ctx;
+ WMesaContext pwc = wmesa_context(ctx);
+ WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer);
+ GLuint i;
+ LPDWORD lpdw;
- if (pwc->rgb_flag==GL_TRUE)
- {
- GLuint i;
- /*HDC DC=DD_GETDC;*/
- y=FLIP(y);
- if (mask) {
- for (i=0; i<n; i++)
- if (mask[i])
- wmSetPixel(pwc, y, x + i,
- rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]);
- }
- else {
+ (void) ctx;
+
+ y=FLIP(y);
+ lpdw = ((LPDWORD)(pwfb->pbPixels + pwfb->ScanWidth * y)) + x;
+ if (mask) {
for (i=0; i<n; i++)
- wmSetPixel(pwc, y, x + i,
- rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] );
- }
- DD_RELEASEDC;
+ if (mask[i])
+ lpdw[i] = BGR32(rgb[i][RCOMP], rgb[i][GCOMP],
+ rgb[i][BCOMP]);
}
- else
- {
- GLuint i;
- BYTE *Mem=Current->ScreenMem+y*Current->ScanWidth+x;
- y = FLIP(y);
- if (mask) {
- for (i=0; i<n; i++)
- if (mask[i])
- Mem[i] = GetNearestPaletteIndex(Current->hPal,
- RGB(rgb[i][RCOMP],
- rgb[i][GCOMP],
- rgb[i][BCOMP]));
- }
- else {
+ else {
for (i=0; i<n; i++)
- Mem[i] = GetNearestPaletteIndex(Current->hPal,
- RGB(rgb[i][RCOMP],
- rgb[i][GCOMP],
- rgb[i][BCOMP]));
- }
+ *lpdw++ = BGR32(rgb[i][RCOMP], rgb[i][GCOMP],
+ rgb[i][BCOMP]);
}
}
* Write a horizontal span of pixels with a boolean mask. The current color
* is used for all pixels.
*/
-static void write_mono_rgba_span( const GLcontext* ctx,
- GLuint n, GLint x, GLint y,
- const GLchan color[4], const GLubyte mask[])
-{
- GLuint i;
- PWMC pwc = Current;
- (void) ctx;
- assert(Current->rgb_flag==GL_TRUE);
- y=FLIP(y);
- if(Current->rgb_flag==GL_TRUE)
- {
+static void write_mono_rgba_span_32(const GLcontext *ctx,
+ struct gl_renderbuffer *rb,
+ GLuint n, GLint x, GLint y,
+ const GLchan color[4],
+ const GLubyte mask[])
+{
+ LPDWORD lpdw;
+ DWORD pixel;
+ GLuint i;
+ WMesaContext pwc = wmesa_context(ctx);
+ WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer);
+ lpdw = ((LPDWORD)(pwfb->pbPixels + pwfb->ScanWidth * y)) + x;
+ y=FLIP(y);
+ pixel = BGR32(color[RCOMP], color[GCOMP], color[BCOMP]);
+ if (mask) {
for (i=0; i<n; i++)
- if (mask[i])
- wmSetPixel(pwc,y,x+i,color[RCOMP], color[GCOMP], color[BCOMP]);
- }
- else
- {
- HDC DC=DD_GETDC;
- ULONG pixel = RGB( color[RCOMP], color[GCOMP], color[BCOMP] );
- for (i=0; i<n; i++)
- if (mask[i])
- SetPixel(DC, y, x+i, pixel);
- DD_RELEASEDC;
- }
+ if (mask[i])
+ lpdw[i] = pixel;
+ }
+ else
+ for (i=0; i<n; i++)
+ *lpdw++ = pixel;
+
}
+/* Write an array of RGBA pixels with a boolean mask. */
+static void write_rgba_pixels_32(const GLcontext *ctx,
+ struct gl_renderbuffer *rb,
+ GLuint n, const GLint x[], const GLint y[],
+ const GLubyte rgba[][4],
+ const GLubyte mask[])
+{
+ GLuint i;
+ WMesaContext pwc = wmesa_context(ctx);
+ WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer);
+ for (i=0; i<n; i++)
+ if (mask[i])
+ WMSETPIXEL32(pwfb, FLIP(y[i]), x[i],
+ rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]);
+}
+/*
+ * Write an array of pixels with a boolean mask. The current color
+ * is used for all pixels.
+ */
+static void write_mono_rgba_pixels_32(const GLcontext *ctx,
+ struct gl_renderbuffer *rb,
+ GLuint n,
+ const GLint x[], const GLint y[],
+ const GLchan color[4],
+ const GLubyte mask[])
+{
+ GLuint i;
+ WMesaContext pwc = wmesa_context(ctx);
+ WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer);
+ for (i=0; i<n; i++)
+ if (mask[i])
+ WMSETPIXEL32(pwfb, FLIP(y[i]),x[i],color[RCOMP],
+ color[GCOMP], color[BCOMP]);
+}
-/**********************************************************************/
-/***** Array-based pixel drawing *****/
-/**********************************************************************/
+/* Read a horizontal span of color pixels. */
+static void read_rgba_span_32(const GLcontext *ctx,
+ struct gl_renderbuffer *rb,
+ GLuint n, GLint x, GLint y,
+ GLubyte rgba[][4] )
+{
+ GLuint i;
+ DWORD pixel;
+ LPDWORD lpdw;
+ WMesaContext pwc = wmesa_context(ctx);
+ WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer);
+
+ y = FLIP(y);
+ lpdw = ((LPDWORD)(pwfb->pbPixels + pwfb->ScanWidth * y)) + x;
+ for (i=0; i<n; i++) {
+ pixel = lpdw[i];
+ rgba[i][RCOMP] = (pixel & 0x00ff0000) >> 16;
+ rgba[i][GCOMP] = (pixel & 0x0000ff00) >> 8;
+ rgba[i][BCOMP] = (pixel & 0x000000ff);
+ rgba[i][ACOMP] = 255;
+ }
+}
-/* Write an array of 32-bit index pixels with a boolean mask. */
-static void write_ci32_pixels( const GLcontext* ctx,
- GLuint n, const GLint x[], const GLint y[],
- const GLuint index[], const GLubyte mask[] )
-{
- GLuint i;
- (void) ctx;
- 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];
- }
+/* Read an array of color pixels. */
+static void read_rgba_pixels_32(const GLcontext *ctx,
+ struct gl_renderbuffer *rb,
+ GLuint n, const GLint x[], const GLint y[],
+ GLubyte rgba[][4])
+{
+ GLuint i;
+ DWORD pixel;
+ LPDWORD lpdw;
+ WMesaContext pwc = wmesa_context(ctx);
+ WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer);
+
+ for (i=0; i<n; i++) {
+ GLint y2 = FLIP(y[i]);
+ lpdw = ((LPDWORD)(pwfb->pbPixels + pwfb->ScanWidth * y2)) + x[i];
+ pixel = *lpdw;
+ rgba[i][RCOMP] = (pixel & 0x00ff0000) >> 16;
+ rgba[i][GCOMP] = (pixel & 0x0000ff00) >> 8;
+ rgba[i][BCOMP] = (pixel & 0x000000ff);
+ rgba[i][ACOMP] = 255;
}
}
+/*********************************************************************/
-/*
- * Write an array of pixels with a boolean mask. The current color
- * index is used for all pixels.
- */
-static void write_mono_ci_pixels( const GLcontext* ctx,
- GLuint n,
- const GLint x[], const GLint y[],
- GLuint colorIndex, const GLubyte mask[] )
-{
- GLuint i;
- (void) ctx;
- assert(Current->rgb_flag==GL_FALSE);
- for (i=0; i<n; i++) {
- if (mask[i]) {
- BYTE *Mem=Current->ScreenMem+FLIP(y[i])*Current->ScanWidth+x[i];
- *Mem = colorIndex;
- }
- }
-}
-
-
-
-/* Write an array of RGBA pixels with a boolean mask. */
-static void write_rgba_pixels( const GLcontext* ctx,
- GLuint n, const GLint x[], const GLint y[],
- const GLubyte rgba[][4], const GLubyte mask[] )
-{
- GLuint i;
- PWMC pwc = Current;
- /*HDC DC=DD_GETDC;*/
- (void) ctx;
- assert(Current->rgb_flag==GL_TRUE);
- for (i=0; i<n; i++)
- if (mask[i])
- wmSetPixel(pwc, FLIP(y[i]), x[i],
- rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]);
- DD_RELEASEDC;
-}
-
-
-
-/*
- * Write an array of pixels with a boolean mask. The current color
- * is used for all pixels.
- */
-static void write_mono_rgba_pixels( const GLcontext* ctx,
- GLuint n,
- const GLint x[], const GLint y[],
- const GLchan color[4],
- const GLubyte mask[] )
-{
- GLuint i;
- PWMC pwc = Current;
- /*HDC DC=DD_GETDC;*/
- (void) ctx;
- assert(Current->rgb_flag==GL_TRUE);
- for (i=0; i<n; i++)
- if (mask[i])
- wmSetPixel(pwc, FLIP(y[i]),x[i],color[RCOMP],
- color[GCOMP], color[BCOMP]);
- DD_RELEASEDC;
-}
-
-
-
-/**********************************************************************/
-/***** Read spans/arrays of pixels *****/
-/**********************************************************************/
-
-
-/* Read a horizontal span of color-index pixels. */
-static void read_ci32_span( const GLcontext* ctx, GLuint n, GLint x, GLint y,
- GLuint index[])
-{
- GLuint i;
- BYTE *Mem=Current->ScreenMem+FLIP(y)*Current->ScanWidth+x;
- (void) ctx;
- assert(Current->rgb_flag==GL_FALSE);
- for (i=0; i<n; i++)
- index[i]=Mem[i];
-}
-
-
-
-
-/* Read an array of color index pixels. */
-static void read_ci32_pixels( const GLcontext* ctx,
- GLuint n, const GLint x[], const GLint y[],
- GLuint indx[], const GLubyte mask[] )
-{
- GLuint i;
- (void) ctx;
- assert(Current->rgb_flag==GL_FALSE);
- for (i=0; i<n; i++) {
- if (mask[i]) {
- indx[i]=*(Current->ScreenMem+FLIP(y[i])*Current->ScanWidth+x[i]);
- }
- }
-}
-
-
-
-/* Read a horizontal span of color pixels. */
-static void read_rgba_span( const GLcontext* ctx,
- GLuint n, GLint x, GLint y,
- GLubyte rgba[][4] )
-{
- UINT i;
- COLORREF Color;
- HDC DC=DD_GETDC;
- (void) ctx;
- assert(Current->rgb_flag==GL_TRUE);
- y = Current->height - y - 1;
- for (i=0; i<n; i++) {
- Color=GetPixel(DC,x+i,y);
- rgba[i][RCOMP] = GetRValue(Color);
- rgba[i][GCOMP] = GetGValue(Color);
- rgba[i][BCOMP] = GetBValue(Color);
- rgba[i][ACOMP] = 255;
- }
- DD_RELEASEDC;
-}
-
-
-/* Read an array of color pixels. */
-static void read_rgba_pixels( const GLcontext* ctx,
- GLuint n, const GLint x[], const GLint y[],
- GLubyte rgba[][4], const GLubyte mask[] )
-{
- GLuint i;
- COLORREF Color;
- HDC DC=DD_GETDC;
- (void) ctx;
- assert(Current->rgb_flag==GL_TRUE);
- for (i=0; i<n; i++) {
- if (mask[i]) {
- GLint y2 = Current->height - y[i] - 1;
- Color=GetPixel(DC,x[i],y2);
- rgba[i][RCOMP] = GetRValue(Color);
- rgba[i][GCOMP] = GetGValue(Color);
- rgba[i][BCOMP] = GetBValue(Color);
- rgba[i][ACOMP] = 255;
- }
- }
- DD_RELEASEDC;
-}
-
-
-
-/**********************************************************************/
-/**********************************************************************/
-
-
-static const struct gl_texture_format *
-choose_tex_format( GLcontext *ctx, GLint internalFormat,
- GLenum format, GLenum type )
-{
- switch (internalFormat) {
- case GL_COMPRESSED_RGB_ARB:
- return &_mesa_texformat_rgb;
- case GL_COMPRESSED_RGBA_ARB:
- return &_mesa_texformat_rgba;
- default:
- return _mesa_choose_tex_format(ctx, internalFormat, format, type);
- }
-}
-
-
-static const GLubyte *get_string(GLcontext *ctx, GLenum name)
-{
- (void) ctx;
- if (name == GL_RENDERER) {
- return (GLubyte *) "Mesa Windows";
- }
- else {
- return NULL;
- }
-}
-
-static void wmesa_update_state( GLcontext *ctx, GLuint new_state );
-
-static void SetFunctionPointers( struct dd_function_table *functions )
-{
- functions->GetString = get_string;
- functions->UpdateState = wmesa_update_state;
- functions->ResizeBuffers = _swrast_alloc_buffers;
- functions->GetBufferSize = buffer_size;
-
- functions->Clear = clear;
-
- functions->Flush = flush;
- functions->ClearIndex = clear_index;
- functions->ClearColor = clear_color;
- functions->Enable = enable;
-
-#if SWTC
- functions->ChooseTextureFormat = choose_tex_format;
-#endif
-}
-
-
-static void SetSWrastPointers(GLcontext *ctx)
-{
- struct swrast_device_driver *swdd = _swrast_GetDeviceDriverReference( ctx );
- swdd->SetBuffer = set_buffer;
-
- /* Pixel/span writing functions: */
- swdd->WriteRGBASpan = write_rgba_span;
- swdd->WriteRGBSpan = write_rgb_span;
- swdd->WriteMonoRGBASpan = write_mono_rgba_span;
- swdd->WriteRGBAPixels = write_rgba_pixels;
- swdd->WriteMonoRGBAPixels = write_mono_rgba_pixels;
- swdd->WriteCI32Span = write_ci32_span;
- swdd->WriteCI8Span = write_ci8_span;
- swdd->WriteMonoCISpan = write_mono_ci_span;
- swdd->WriteCI32Pixels = write_ci32_pixels;
- swdd->WriteMonoCIPixels = write_mono_ci_pixels;
-
- swdd->ReadCI32Span = read_ci32_span;
- swdd->ReadRGBASpan = read_rgba_span;
- swdd->ReadCI32Pixels = read_ci32_pixels;
- swdd->ReadRGBAPixels = read_rgba_pixels;
-}
-
-
-static void wmesa_update_state( GLcontext *ctx, GLuint new_state )
-{
- /*struct swrast_device_driver *swdd = _swrast_GetDeviceDriverReference( ctx );*/
- TNLcontext *tnl = TNL_CONTEXT(ctx);
-
- /*
- * XXX these function pointers could be initialized just once during
- * context creation since they don't depend on any state changes.
- * kws - This is true - this function gets called a lot and it
- * would be good to minimize setting all this when not needed.
- */
-#ifndef SET_FPOINTERS_ONCE
- SetFunctionPointers(&ctx->Driver);
- SetSWrastPointers(ctx);
-#if 0
- ctx->Driver.GetString = get_string;
- ctx->Driver.UpdateState = wmesa_update_state;
- ctx->Driver.ResizeBuffers = _swrast_alloc_buffers;
- ctx->Driver.GetBufferSize = buffer_size;
-
- ctx->Driver.Accum = _swrast_Accum;
- ctx->Driver.Bitmap = _swrast_Bitmap;
- ctx->Driver.Clear = clear;
-
- ctx->Driver.Flush = flush;
- ctx->Driver.ClearIndex = clear_index;
- ctx->Driver.ClearColor = clear_color;
- ctx->Driver.Enable = enable;
-
- ctx->Driver.CopyPixels = _swrast_CopyPixels;
- ctx->Driver.DrawPixels = _swrast_DrawPixels;
- ctx->Driver.ReadPixels = _swrast_ReadPixels;
-
- ctx->Driver.ChooseTextureFormat = _mesa_choose_tex_format;
- ctx->Driver.TexImage1D = _mesa_store_teximage1d;
- ctx->Driver.TexImage2D = _mesa_store_teximage2d;
- ctx->Driver.TexImage3D = _mesa_store_teximage3d;
- ctx->Driver.TexSubImage1D = _mesa_store_texsubimage1d;
- ctx->Driver.TexSubImage2D = _mesa_store_texsubimage2d;
- ctx->Driver.TexSubImage3D = _mesa_store_texsubimage3d;
- ctx->Driver.TestProxyTexImage = _mesa_test_proxy_teximage;
-
- ctx->Driver.CompressedTexImage1D = _mesa_store_compressed_teximage1d;
- ctx->Driver.CompressedTexImage2D = _mesa_store_compressed_teximage2d;
- ctx->Driver.CompressedTexImage3D = _mesa_store_compressed_teximage3d;
- ctx->Driver.CompressedTexSubImage1D = _mesa_store_compressed_texsubimage1d;
- ctx->Driver.CompressedTexSubImage2D = _mesa_store_compressed_texsubimage2d;
- ctx->Driver.CompressedTexSubImage3D = _mesa_store_compressed_texsubimage3d;
-
- ctx->Driver.CopyTexImage1D = _swrast_copy_teximage1d;
- ctx->Driver.CopyTexImage2D = _swrast_copy_teximage2d;
- ctx->Driver.CopyTexSubImage1D = _swrast_copy_texsubimage1d;
- ctx->Driver.CopyTexSubImage2D = _swrast_copy_texsubimage2d;
- ctx->Driver.CopyTexSubImage3D = _swrast_copy_texsubimage3d;
- ctx->Driver.CopyColorTable = _swrast_CopyColorTable;
- ctx->Driver.CopyColorSubTable = _swrast_CopyColorSubTable;
- ctx->Driver.CopyConvolutionFilter1D = _swrast_CopyConvolutionFilter1D;
- ctx->Driver.CopyConvolutionFilter2D = _swrast_CopyConvolutionFilter2D;
-
- swdd->SetBuffer = set_buffer;
-
- /* Pixel/span writing functions: */
- swdd->WriteRGBASpan = write_rgba_span;
- swdd->WriteRGBSpan = write_rgb_span;
- swdd->WriteMonoRGBASpan = write_mono_rgba_span;
- swdd->WriteRGBAPixels = write_rgba_pixels;
- swdd->WriteMonoRGBAPixels = write_mono_rgba_pixels;
- swdd->WriteCI32Span = write_ci32_span;
- swdd->WriteCI8Span = write_ci8_span;
- swdd->WriteMonoCISpan = write_mono_ci_span;
- swdd->WriteCI32Pixels = write_ci32_pixels;
- swdd->WriteMonoCIPixels = write_mono_ci_pixels;
-
- swdd->ReadCI32Span = read_ci32_span;
- swdd->ReadRGBASpan = read_rgba_span;
- swdd->ReadCI32Pixels = read_ci32_pixels;
- swdd->ReadRGBAPixels = read_rgba_pixels;
-#endif // 0
-#endif // !SET_FPOINTERS_ONCE
- tnl->Driver.RunPipeline = _tnl_run_pipeline;
-
- _swrast_InvalidateState( ctx, new_state );
- _swsetup_InvalidateState( ctx, new_state );
- _ac_InvalidateState( ctx, new_state );
- _tnl_InvalidateState( ctx, new_state );
-}
-
-
-
-
-/**********************************************************************/
-/***** WMesa API Functions *****/
-/**********************************************************************/
-
-#if 0 /* unused */
-
-#define PAL_SIZE 256
-static void GetPalette(HPALETTE Pal,RGBQUAD *aRGB)
-{
- int i;
- HDC hdc;
- struct
- {
- WORD Version;
- WORD NumberOfEntries;
- PALETTEENTRY aEntries[PAL_SIZE];
- } Palette;
- Palette.Version = 0x300;
- Palette.NumberOfEntries = 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;
- }
-}
-
-#endif /* unused */
-
-WMesaContext WMesaCreateContext( HWND hWnd, HPALETTE* Pal,
- GLboolean rgb_flag,
- GLboolean db_flag,
- GLboolean alpha_flag )
-{
- RECT CR;
- WMesaContext c;
- GLboolean true_color_flag;
- struct dd_function_table functions;
- (void) Pal;
-
- c = (struct wmesa_context * ) calloc(1,sizeof(struct wmesa_context));
- if (!c)
- return NULL;
-
- c->Window=hWnd;
- c->hDC = GetDC(hWnd);
- true_color_flag = GetDeviceCaps(c->hDC, BITSPIXEL) > 8;
-#ifdef DDRAW
- if(true_color_flag) c->rgb_flag = rgb_flag = GL_TRUE;
-#endif
-
-
-#ifdef DITHER
- if ((true_color_flag==GL_FALSE) && (rgb_flag == GL_TRUE)){
- c->dither_flag = GL_TRUE;
-#ifdef USE_WING
- c->hPalHalfTone = WinGCreateHalftonePalette();
-#else
- c->hPalHalfTone = CreateHalftonePalette(c->hDC);
-#endif
- }
- else
- c->dither_flag = GL_FALSE;
-#else
- c->dither_flag = GL_FALSE;
-#endif
-
-
- if (rgb_flag==GL_FALSE)
- {
- c->rgb_flag = GL_FALSE;
-#if 0
- /* Old WinG stuff???? */
- c->db_flag = db_flag =GL_TRUE; /* WinG requires double buffering */
- printf("Single buffer is not supported in color index mode, ",
- "setting to double buffer.\n");
-#endif
- }
- else
- {
- c->rgb_flag = GL_TRUE;
- }
- GetClientRect(c->Window,&CR);
- c->width=CR.right;
- c->height=CR.bottom;
- if (db_flag)
- {
- c->db_flag = 1;
- /* Double buffered */
-#ifndef DDRAW
- {
- wmCreateBackingStore(c, c->width, c->height);
-
- }
-#endif
- }
- else
- {
- /* Single Buffered */
- if (c->rgb_flag)
- c->db_flag = 0;
- }
-#ifdef DDRAW
- if (DDInit(c,hWnd) == GL_FALSE) {
- free( (void *) c );
- exit(1);
- }
-#endif
-
-
- c->gl_visual = _mesa_create_visual(rgb_flag,
- db_flag, /* db_flag */
- GL_FALSE, /* stereo */
- 8,8,8, /* r, g, b bits */
- alpha_flag ? 8 : 0, /* alpha bits */
- 0, /* index bits */
- 16, /* depth_bits */
- 8, /* stencil_bits */
- 16,16,16,/* accum_bits */
- alpha_flag ? 16 : 0, /* alpha accum */
- 1);
-
- if (!c->gl_visual) {
- return NULL;
- }
-
- _mesa_init_driver_functions(&functions);
- SetFunctionPointers(&functions);
-
- /* allocate a new Mesa context */
- c->gl_ctx = _mesa_create_context( c->gl_visual, NULL,
- &functions, (void *) c );
-
- if (!c->gl_ctx) {
- _mesa_destroy_visual( c->gl_visual );
- free(c);
- return NULL;
- }
-
- _mesa_enable_sw_extensions(c->gl_ctx);
- _mesa_enable_1_3_extensions(c->gl_ctx);
- _mesa_enable_1_4_extensions(c->gl_ctx);
- _mesa_enable_1_5_extensions(c->gl_ctx);
- _mesa_enable_2_0_extensions(c->gl_ctx);
-#if SWTC
- if (c->gl_ctx->Mesa_DXTn) {
- _mesa_enable_extension(c->gl_ctx, "GL_EXT_texture_compression_s3tc");
- _mesa_enable_extension(c->gl_ctx, "GL_S3_s3tc");
- }
- _mesa_enable_extension(c->gl_ctx, "GL_3DFX_texture_compression_FXT1");
-#endif
-
- c->gl_buffer = _mesa_create_framebuffer( c->gl_visual,
- c->gl_visual->depthBits > 0,
- c->gl_visual->stencilBits > 0,
- c->gl_visual->accumRedBits > 0,
- alpha_flag /* s/w alpha */ );
- if (!c->gl_buffer) {
- _mesa_destroy_visual( c->gl_visual );
- _mesa_free_context_data( c->gl_ctx );
- free(c);
- return NULL;
- }
-
- /* Initialize the software rasterizer and helper modules.
- */
- {
- GLcontext *ctx = c->gl_ctx;
- _swrast_CreateContext( ctx );
- _ac_CreateContext( ctx );
- _tnl_CreateContext( ctx );
- _swsetup_CreateContext( ctx );
-
-#ifdef SET_FPOINTERS_ONCE
- /*SetFunctionPointers(ctx);*/
- SetSWrastPointers(ctx);
-#endif // SET_FPOINTERS_ONCE
- _swsetup_Wakeup( ctx );
- }
-#ifdef COMPILE_SETPIXEL
- ChooseSetPixel(c);
-#endif
- return c;
-}
-
-void WMesaDestroyContext( void )
-{
- WMesaContext c = Current;
- ReleaseDC(c->Window,c->hDC);
- WC = c;
- if(c->hPalHalfTone != NULL)
- DeleteObject(c->hPalHalfTone);
-
- _swsetup_DestroyContext( c->gl_ctx );
- _tnl_DestroyContext( c->gl_ctx );
- _ac_DestroyContext( c->gl_ctx );
- _swrast_DestroyContext( c->gl_ctx );
-
- _mesa_destroy_visual( c->gl_visual );
- _mesa_destroy_framebuffer( c->gl_buffer );
- _mesa_free_context_data( c->gl_ctx );
- free( (void *) c->gl_ctx);
-
- if (c->db_flag)
-#ifdef DDRAW
- DDFree(c);
-#else
- wmDeleteBackingStore(c);
-#endif
- free( (void *) c );
-#if !defined(NO_PARALLEL)
- if(parallelMachine)
- PRDestroyRenderBuffer();
-#endif
-
- // Destroyed context no longer valid
- WMesaMakeCurrent( NULL );
-}
-
-
-void WMesaMakeCurrent( WMesaContext c )
-{
- if(!c){
- Current = c;
- return;
- }
-
- if(Current == c)
- return;
-
- Current = c;
- wmesa_update_state(c->gl_ctx, 0);
- _mesa_make_current(c->gl_ctx, c->gl_buffer);
- if (Current->gl_ctx->Viewport.Width==0) {
- /* initialize viewport to window size */
- _mesa_Viewport( 0, 0, Current->width, Current->height );
- Current->gl_ctx->Scissor.Width = Current->width;
- Current->gl_ctx->Scissor.Height = Current->height;
- }
- if ((c->cColorBits <= 8 ) && (c->rgb_flag == GL_TRUE)){
- WMesaPaletteChange(c->hPalHalfTone);
- }
-}
-
-
-
-void WMesaSwapBuffers( void )
-{
-/* HDC DC = Current->hDC;*/
- GET_CURRENT_CONTEXT(ctx);
-
- /* If we're swapping the buffer associated with the current context
- * we have to flush any pending rendering commands first.
- */
- if (Current && Current->gl_ctx == ctx)
- _mesa_notifySwapBuffers(ctx);
-
- if (Current->db_flag)
- wmFlush(Current);
-}
-
-
-
-void WMesaPaletteChange(HPALETTE Pal)
-{
-#ifndef DDRAW
- int vRet;
-#endif
- LPPALETTEENTRY pPal;
- if (Current && (Current->rgb_flag==GL_FALSE ||
- Current->dither_flag == GL_TRUE))
- {
- pPal = (PALETTEENTRY *)malloc( 256 * sizeof(PALETTEENTRY));
- Current->hPal=Pal;
- GetPaletteEntries( Pal, 0, 256, pPal );
-#ifdef DDRAW
- Current->lpDD->lpVtbl->CreatePalette(Current->lpDD,DDPCAPS_8BIT,
- pPal, &(Current->lpDDPal), NULL);
- if (Current->lpDDPal)
- Current->lpDDSPrimary->lpVtbl->SetPalette(Current->lpDDSPrimary,
- Current->lpDDPal);
-#else
- vRet = SetDIBColorTable(Current->dib.hDC, 0, 256, (RGBQUAD*)pPal);
-#endif
- free( pPal );
- }
-}
-
-
-
-
-static unsigned char threeto8[8] = {
- 0, 0111>>1, 0222>>1, 0333>>1, 0444>>1, 0555>>1, 0666>>1, 0377
-};
-
-static unsigned char twoto8[4] = {
- 0, 0x55, 0xaa, 0xff
-};
-
-static unsigned char oneto8[2] = {
- 0, 255
-};
-
-static unsigned char componentFromIndex(UCHAR i, UINT nbits, UINT shift)
-{
- unsigned char val;
-
- val = i >> shift;
- switch (nbits) {
-
- case 1:
- val &= 0x1;
- return oneto8[val];
-
- case 2:
- val &= 0x3;
- return twoto8[val];
-
- case 3:
- val &= 0x7;
- return threeto8[val];
-
- default:
- return 0;
- }
-}
-
-void wmCreatePalette( PWMC pwdc )
-{
- /* Create a compressed and re-expanded 3:3:2 palette */
- int i;
- LOGPALETTE *pPal;
- BYTE rb, rs, gb, gs, bb, bs;
-
- pwdc->nColors = 0x100;
-
- pPal = (PLOGPALETTE)malloc(sizeof(LOGPALETTE) +
- pwdc->nColors * sizeof(PALETTEENTRY));
- memset( pPal, 0, sizeof(LOGPALETTE) + pwdc->nColors * sizeof(PALETTEENTRY) );
-
- pPal->palVersion = 0x300;
-
- rb = REDBITS;
- rs = REDSHIFT;
- gb = GREENBITS;
- gs = GREENSHIFT;
- bb = BLUEBITS;
- bs = BLUESHIFT;
-
- if (pwdc->db_flag) {
-
- /* Need to make two palettes: one for the screen DC and one for the DIB. */
- pPal->palNumEntries = pwdc->nColors;
- for (i = 0; i < pwdc->nColors; i++) {
- pPal->palPalEntry[i].peRed = componentFromIndex( i, rb, rs );
- pPal->palPalEntry[i].peGreen = componentFromIndex( i, gb, gs );
- pPal->palPalEntry[i].peBlue = componentFromIndex( i, bb, bs );
- pPal->palPalEntry[i].peFlags = 0;
- }
- pwdc->hGLPalette = CreatePalette( pPal );
- pwdc->hPalette = CreatePalette( pPal );
- }
-
- else {
- pPal->palNumEntries = pwdc->nColors;
- for (i = 0; i < pwdc->nColors; i++) {
- pPal->palPalEntry[i].peRed = componentFromIndex( i, rb, rs );
- pPal->palPalEntry[i].peGreen = componentFromIndex( i, gb, gs );
- pPal->palPalEntry[i].peBlue = componentFromIndex( i, bb, bs );
- pPal->palPalEntry[i].peFlags = 0;
- }
- pwdc->hGLPalette = CreatePalette( pPal );
- }
-
- free(pPal);
-
-}
-
-
-void
-#ifdef COMPILE_SETPIXEL
-
-wmSetPixelDefault(PWMC pwc, int iScanLine, int iPixel, BYTE r, BYTE g, BYTE b)
-{
- if (Current->db_flag)
- {
-#ifdef DDRAW
- HDC hdc = NULL;
- Current->lpDDSOffScreen->lpVtbl->Unlock(Current->lpDDSOffScreen,NULL);
- Current->lpDDSOffScreen->lpVtbl->GetDC(Current->lpDDSOffScreen,&hdc);
- SetPixelV(hdc,iPixel, iScanLine, RGB(r,g,b));
- Current->lpDDSOffScreen->lpVtbl->ReleaseDC(Current->lpDDSOffScreen,hdc);
- while (Current->lpDDSOffScreen->lpVtbl->Lock(Current->lpDDSOffScreen,NULL, &(Current->ddsd), 0, NULL) == DDERR_WASSTILLDRAWING);
-#else
- SetPixelV(Current->hDC, iPixel, iScanLine, RGB(r,g,b));
-#endif
- }
- else
- {
- SetPixelV(Current->hDC, iPixel+pwc->rectSurface.left, pwc->rectSurface.top+iScanLine, RGB(r,g,b));
- }
-}
-#else
-wmSetPixel(PWMC pwc, int iScanLine, int iPixel, BYTE r, BYTE g, BYTE b)
-{
- if (Current->db_flag)
- {
- LPBYTE lpb = pwc->pbPixels;
- UINT nBypp = pwc->cColorBits >> 3;
-
- lpb += pwc->ScanWidth * iScanLine;
- lpb += iPixel * nBypp;
-
- if(nBypp == 1)
- {
- if(pwc->dither_flag)
- *lpb = DITHER_RGB_2_8BIT(r,g,b,iScanLine,iPixel);
- else
- *lpb = BGR8(r,g,b);
- }
- else if(nBypp == 2)
- *((LPWORD)lpb) = BGR16(r,g,b);
- else if (nBypp == 3)
- {
- *lpb++ = b;
- *lpb++ = g;
- *lpb = r;
- }
- else if (nBypp == 4)
- *((LPDWORD)lpb) = BGR32(r,g,b);
- }
- else
- {
- SetPixel(Current->hDC, iPixel, iScanLine, RGB(r,g,b));
- }
-}
-#endif
-#ifdef COMPILE_SETPIXEL
-void wmSetPixel4(PWMC pwc, int iScanLine, int iPixel, BYTE r, BYTE g, BYTE b)
-{
- LPDWORD lpdw = ((LPDWORD)(pwc->pbPixels + pwc->ScanWidth * iScanLine)) + iPixel;
- *lpdw = BGR32(r,g,b);
-// LPBYTE lpb = pwc->pbPixels + pwc->ScanWidth * iScanLine + iPixel + iPixel + iPixel + iPixel;
-// *((LPDWORD)lpb) = BGR32(r,g,b);
-}
-
-void wmSetPixel3(PWMC pwc, int iScanLine, int iPixel, BYTE r, BYTE g, BYTE b)
-{
- LPBYTE lpb = pwc->pbPixels + pwc->ScanWidth * iScanLine + iPixel + iPixel + iPixel;
- *lpb++ = b;
- *lpb++ = g;
- *lpb = r;
-}
+/* DOUBLE BUFFER 24-bit */
-void wmSetPixel2(PWMC pwc, int iScanLine, int iPixel, BYTE r, BYTE g, BYTE b)
-{
- LPWORD lpw = ((LPWORD)(pwc->pbPixels + pwc->ScanWidth * iScanLine)) + iPixel;
- *lpw = BGR16(r,g,b);
-// LPBYTE lpb = pwc->pbPixels + pwc->ScanWidth * iScanLine + iPixel + iPixel;
-// *((LPWORD)lpb) = BGR16(r,g,b);
-}
-
-void wmSetPixel1(PWMC pwc, int iScanLine, int iPixel, BYTE r, BYTE g, BYTE b)
-{
- LPBYTE lpb = pwc->pbPixels + pwc->ScanWidth * iScanLine + iPixel;
- *lpb = BGR8(r,g,b);
-}
-
-void wmSetPixel1Dither(PWMC pwc, int iScanLine, int iPixel, BYTE r, BYTE g, BYTE b)
-{
- LPBYTE lpb = pwc->pbPixels + pwc->ScanWidth * iScanLine + iPixel;
- *lpb = DITHER_RGB_2_8BIT(r,g,b,iScanLine,iPixel);
-}
-
-
-void ChooseSetPixel(PWMC pwc)
-{
- UINT nBypp = (pwc ) ? pwc->cColorBits >> 3 : 0;
- switch(nBypp)
- {
- case 1:
- pwc->wmSetPixel = pwc->dither_flag ? &wmSetPixel1Dither : &wmSetPixel1;
- break;
- case 2:
- pwc->wmSetPixel = &wmSetPixel2;
- break;
- case 3:
- pwc->wmSetPixel = &wmSetPixel3;
- break;
- case 4:
- pwc->wmSetPixel = &wmSetPixel4;
- break;
- default:
- pwc->wmSetPixel = &wmSetPixelDefault;
- break;
- }
-}
-
-#endif
-
-void wmCreateDIBSection(
- HDC hDC,
- PWMC pwc, // handle of device context
- CONST BITMAPINFO *pbmi, // bitmap size, format, and color data
- UINT iUsage // color data type indicator: RGB values or palette indices
- )
-{
- DWORD dwSize = 0;
- DWORD dwScanWidth;
- UINT nBypp = pwc->cColorBits / 8;
- HDC hic;
- (void) hDC;
- (void) pbmi;
-
- dwScanWidth = (((pwc->ScanWidth * nBypp)+ 3) & ~3);
-
- pwc->ScanWidth =pwc->pitch = dwScanWidth;
-
- if (stereo_flag)
- pwc->ScanWidth = 2* pwc->pitch;
-
- dwSize = sizeof(BITMAPINFO) + (dwScanWidth * pwc->height);
-#ifdef USE_MAPPED_FILE
- pwc->dib.hFileMap = CreateFileMapping((HANDLE)PAGE_FILE,
- NULL,
- PAGE_READWRITE | SEC_COMMIT,
- 0,
- dwSize,
- NULL);
-
- if (!pwc->dib.hFileMap)
- return;
-
- pwc->dib.base = MapViewOfFile(pwc->dib.hFileMap,
- FILE_MAP_ALL_ACCESS,
- 0,
- 0,
- 0);
-
- if(!pwc->dib.base){
- CloseHandle(pwc->dib.hFileMap);
- return;
- }
-
-
- CopyMemory(pwc->dib.base, pbmi, sizeof(BITMAPINFO));
-#endif // USE_MAPPED_FILE
-
- hic = CreateIC("display", NULL, NULL, NULL);
- pwc->dib.hDC = CreateCompatibleDC(hic);
-
-#ifdef USE_MAPPED_FILE
-
- pwc->hbmDIB = CreateDIBSection(hic,
- &(pwc->bmi),
- (iUsage ? DIB_PAL_COLORS : DIB_RGB_COLORS),
- (void **)&(pwc->pbPixels),
- pwc->dib.hFileMap,
- 0);
-#else
- pwc->hbmDIB = CreateDIBSection(hic,
- &(pwc->bmi),
- (iUsage ? DIB_PAL_COLORS : DIB_RGB_COLORS),
- (void **)&(pwc->pbPixels),
- 0,
- 0);
-#endif // USE_MAPPED_FILE
- pwc->ScreenMem = pwc->addrOffScreen = pwc->pbPixels;
- pwc->hOldBitmap = SelectObject(pwc->dib.hDC, pwc->hbmDIB);
-
- DeleteDC(hic);
-
- return;
-
-}
-
-/*
- * Blit memory DC to screen DC
- */
-BOOL wmFlush(PWMC pwc)
-{
- BOOL bRet = 0;
-/* DWORD dwErr = 0;*/
-#ifdef DDRAW
- HRESULT ddrval;
-#endif
-
- if(pwc->db_flag){
-#ifdef DDRAW
- if (pwc->lpDDSOffScreen == NULL)
- if(DDCreateOffScreen(pwc) == GL_FALSE)
- return FALSE;
-
- pwc->lpDDSOffScreen->lpVtbl->Unlock(pwc->lpDDSOffScreen, NULL);
-
- while( 1 )
- {
- ddrval = pwc->lpDDSPrimary->lpVtbl->Blt( pwc->lpDDSPrimary,
- &(pwc->rectSurface),
- pwc->lpDDSOffScreen,
- &(pwc->rectOffScreen),
- 0, NULL );
-
- if( ddrval == DD_OK )
- {
- break;
- }
- if( ddrval == DDERR_SURFACELOST )
- {
- if(!DDRestoreAll(pwc))
- {
- break;
- }
- }
- if( ddrval != DDERR_WASSTILLDRAWING )
- {
- break;
- }
- }
-
- while (pwc->lpDDSOffScreen->lpVtbl->Lock(pwc->lpDDSOffScreen,
- NULL, &(pwc->ddsd), 0, NULL) ==
- DDERR_WASSTILLDRAWING)
- ;
-
- if(ddrval != DD_OK)
- dwErr = GetLastError();
-#else
- bRet = BitBlt(pwc->hDC, 0, 0, pwc->width, pwc->height,
- pwc->dib.hDC, 0, 0, SRCCOPY);
-#endif
- }
-
- return(TRUE);
-
-}
-
-
-/* The following code is added by Li Wei to enable stereo display */
-
-#if !defined(NO_STEREO)
-
-static void __gluMakeIdentityf(GLfloat m[16])
-{
- m[0+4*0] = 1; m[0+4*1] = 0; m[0+4*2] = 0; m[0+4*3] = 0;
- m[1+4*0] = 0; m[1+4*1] = 1; m[1+4*2] = 0; m[1+4*3] = 0;
- m[2+4*0] = 0; m[2+4*1] = 0; m[2+4*2] = 1; m[2+4*3] = 0;
- m[3+4*0] = 0; m[3+4*1] = 0; m[3+4*2] = 0; m[3+4*3] = 1;
-}
-
-static void normalize(float v[3])
-{
- float r;
-
- r = sqrt( v[0]*v[0] + v[1]*v[1] + v[2]*v[2] );
- if (r == 0.0) return;
-
- v[0] /= r;
- v[1] /= r;
- v[2] /= r;
-}
-
-static void cross(float v1[3], float v2[3], float result[3])
-{
- result[0] = v1[1]*v2[2] - v1[2]*v2[1];
- result[1] = v1[2]*v2[0] - v1[0]*v2[2];
- result[2] = v1[0]*v2[1] - v1[1]*v2[0];
-}
-
-
-static void
-__gluLookAt(GLdouble eyex, GLdouble eyey, GLdouble eyez, GLdouble centerx,
- GLdouble centery, GLdouble centerz, GLdouble upx, GLdouble upy,
- GLdouble upz)
-{
- int i;
- float forward[3], side[3], up[3];
- GLfloat m[4][4];
-
- forward[0] = centerx - eyex;
- forward[1] = centery - eyey;
- forward[2] = centerz - eyez;
-
- up[0] = upx;
- up[1] = upy;
- up[2] = upz;
-
- normalize(forward);
-
- /* Side = forward x up */
- cross(forward, up, side);
- normalize(side);
-
- /* Recompute up as: up = side x forward */
- cross(side, forward, up);
-
- __gluMakeIdentityf(&m[0][0]);
- m[0][0] = side[0];
- m[1][0] = side[1];
- m[2][0] = side[2];
-
- m[0][1] = up[0];
- m[1][1] = up[1];
- m[2][1] = up[2];
-
- m[0][2] = -forward[0];
- m[1][2] = -forward[1];
- m[2][2] = -forward[2];
-
- glMultMatrixf(&m[0][0]);
- glTranslated(-eyex, -eyey, -eyez);
-}
-
-GLfloat viewDistance = 1.0;
-
-void WMesaShowStereo(GLuint list)
-{
-
- GLbitfield mask = GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT;
- GLfloat cm[16];
- GLint matrix_mode;
- /* Must use double Buffer */
- if( ! Current-> db_flag )
- return;
-
-
- glGetIntegerv(GL_MATRIX_MODE,&matrix_mode);
-
- WMesaViewport(Current->gl_ctx,0,Current->height/2,
- Current->width,Current->height/2);
- if(matrix_mode!=GL_MODELVIEW)
- glMatrixMode(GL_MODELVIEW);
-
- glGetFloatv(GL_MODELVIEW_MATRIX,cm);
- glLoadIdentity();
- __gluLookAt(viewDistance/2,0.0,0.0 ,
- viewDistance/2,0.0,-1.0,
- 0.0,1.0,0.0 );
- glMultMatrixf( cm );
-
- Current->ScreenMem = Current->pbPixels = Current->addrOffScreen;
- glCallList( list );
-
- glGetFloatv(GL_MODELVIEW_MATRIX,cm);
- glLoadIdentity();
- __gluLookAt(-viewDistance/2,0.0,0.0 ,
- -viewDistance/2,0.0,-1.0,
- 0.0,1.0,0.0 );
- glMultMatrixf(cm);
-
- Current->ScreenMem = Current->pbPixels = Current->addrOffScreen + Current->pitch;
- glCallList(list);
- if(matrix_mode!=GL_MODELVIEW)
- glMatrixMode(matrix_mode);
-
- glFlush();
-
- WMesaViewport(Current->gl_ctx,0,0,Current->width,Current->height);
- WMesaSwapBuffers();
-}
-
-void toggleStereoMode()
-{
- if(!Current->db_flag)
- return;
- if(!stereo_flag){
- stereo_flag = 1;
- if(stereoBuffer==GL_FALSE)
-#if !defined(NO_PARALLEL)
- if(!parallelFlag)
-#endif
- {
- Current->ScanWidth = Current->pitch*2;
- }
- }
- else {
- stereo_flag = 0;
-#if !defined(NO_PARALLEL)
- if(!parallelFlag)
-#endif
- Current->ScanWidth = Current->pitch;
- Current->pbPixels = Current->addrOffScreen;
- }
-}
+#define WMSETPIXEL24(pwc, y, x, r, g, b) { \
+LPBYTE lpb = ((LPBYTE)((pwc)->pbPixels + (pwc)->ScanWidth * (y)) + (3 * x)); \
+lpb[0] = (b); \
+lpb[1] = (g); \
+lpb[2] = (r); }
-/* if in stereo mode, the following function is called */
-void glShowStereo(GLuint list)
+/* Write a horizontal span of RGBA color pixels with a boolean mask. */
+static void write_rgba_span_24(const GLcontext *ctx,
+ struct gl_renderbuffer *rb,
+ GLuint n, GLint x, GLint y,
+ const GLubyte rgba[][4],
+ const GLubyte mask[] )
{
- WMesaShowStereo(list);
-}
-
-#endif /* NO_STEREO */
-
-#if !defined(NO_PARALLEL)
+ WMesaContext pwc = wmesa_context(ctx);
+ WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer);
+ GLuint i;
+ LPBYTE lpb;
-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!!!!
- ************************************************/
+ (void) ctx;
- WMesaMakeCurrent(Current);
-#if !defined(NO_STEREO)
- stereo_flag = GL_FALSE ;
-#endif
- }
-}
-
-void PRShowRenderResult(void)
-{
- int flag = 0;
- if(!glImageRendered())
- return;
-
- if (parallelFlag)
- {
- WMesaSwapBuffers();
- }
-
-}
-#endif /* NO_PARALLEL */
-
-BYTE DITHER_RGB_2_8BIT( int red, int green, int blue, int pixel, int scanline)
-{
- char unsigned redtemp, greentemp, bluetemp, paletteindex;
-
- //*** now, look up each value in the halftone matrix
- //*** using an 8x8 ordered dither.
- redtemp = aDividedBy51[red]
- + (aModulo51[red] > aHalftone8x8[(pixel%8)*8
- + scanline%8]);
- greentemp = aDividedBy51[(char unsigned)green]
- + (aModulo51[green] > aHalftone8x8[
- (pixel%8)*8 + scanline%8]);
- bluetemp = aDividedBy51[(char unsigned)blue]
- + (aModulo51[blue] > aHalftone8x8[
- (pixel%8)*8 +scanline%8]);
-
- //*** recombine the halftoned rgb values into a palette index
- paletteindex =
- redtemp + aTimes6[greentemp] + aTimes36[bluetemp];
-
- //*** and translate through the wing halftone palette
- //*** translation vector to give the correct value.
- return aWinGHalftoneTranslation[paletteindex];
-}
-
-#ifdef DDRAW
-/*
- * restoreAll
- *
- * restore all lost objects
- */
-HRESULT DDRestoreAll( WMesaContext wc )
-{
- HRESULT ddrval;
-
- ddrval = wc->lpDDSPrimary->lpVtbl->Restore(wc->lpDDSPrimary);
- if( ddrval == DD_OK )
- {
- ddrval = wc->lpDDSOffScreen->lpVtbl->Restore(wc->lpDDSOffScreen);
- }
- return ddrval;
-
-} /* restoreAll */
-
-
-/*
- * This function is called if the initialization function fails
- */
-BOOL initFail( HWND hwnd, WMesaContext wc )
-{
- DDFree(wc);
- MessageBox( hwnd, "DirectDraw Init FAILED", "", MB_OK );
- return FALSE;
-
-} /* initFail */
-
-
-static void DDDeleteOffScreen(WMesaContext wc)
-{
- if( wc->lpDDSOffScreen != NULL )
- {
- wc->lpDDSOffScreen->lpVtbl->Unlock(wc->lpDDSOffScreen,NULL);
- wc->lpDDSOffScreen->lpVtbl->Release(wc->lpDDSOffScreen);
- wc->lpDDSOffScreen = NULL;
- }
-
-}
-
-static void DDFreePrimarySurface(WMesaContext wc)
-{
- if( wc->lpDDSPrimary != NULL )
- {
- if(wc->db_flag == GL_FALSE)
- wc->lpDDSPrimary->lpVtbl->ReleaseDC(wc->lpDDSPrimary, wc->hDC);
- wc->lpDDSPrimary->lpVtbl->Release(wc->lpDDSPrimary);
- wc->lpDDSPrimary = NULL;
- }
-}
-
-static BOOL DDCreatePrimarySurface(WMesaContext wc)
-{
- HRESULT ddrval;
-// DDSCAPS ddscaps;
- wc->ddsd.dwSize = sizeof( wc->ddsd );
- wc->ddsd.dwFlags = DDSD_CAPS;
- wc->ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;
-
- ddrval = wc->lpDD->lpVtbl->CreateSurface( wc->lpDD,&(wc->ddsd),
- &(wc->lpDDSPrimary), NULL );
- if( ddrval != DD_OK )
- {
- return initFail(wc->hwnd , wc);
- }
- if(wc->db_flag == GL_FALSE)
- wc->lpDDSPrimary->lpVtbl->GetDC(wc->lpDDSPrimary, &(wc->hDC));
- return TRUE;
-}
-
-static BOOL DDCreateOffScreen(WMesaContext wc)
-{
- POINT pt;
- HRESULT ddrval;
- if(wc->lpDD == NULL)
- return FALSE;
- GetClientRect( wc->hwnd, &(wc->rectOffScreen) );
- wc->ddsd.dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH;
- wc->ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN;
- wc->ddsd.dwHeight = wc->rectOffScreen.bottom - wc->rectOffScreen.top;
- wc->ddsd.dwWidth = wc->rectOffScreen.right - wc->rectOffScreen.left;
-
- ddrval = wc->lpDD->lpVtbl->CreateSurface( wc->lpDD, &(wc->ddsd),
- &(wc->lpDDSOffScreen), NULL );
- if( ddrval != DD_OK )
- {
- return FALSE;
- }
-
- while (wc->lpDDSOffScreen->lpVtbl->Lock(wc->lpDDSOffScreen,NULL,
- &(wc->ddsd), 0, NULL) ==
- DDERR_WASSTILLDRAWING)
- ;
-
- if(wc->ddsd.lpSurface==NULL)
- return initFail(wc->hwnd, wc);
-
- wc->ScreenMem = wc->pbPixels = wc->addrOffScreen =
- (PBYTE)(wc->ddsd.lpSurface);
- wc->ScanWidth = wc->pitch = wc->ddsd.lPitch;
- if (stereo_flag)
- wc->ScanWidth = wc->ddsd.lPitch*2;
-
- GetClientRect( wc->hwnd, &(wc->rectSurface) );
- pt.x = pt.y = 0;
- ClientToScreen( wc->hwnd, &pt );
- OffsetRect(&(wc->rectSurface), pt.x, pt.y);
- wmSetPixelFormat(wc, wc->hDC);
- return TRUE;
-}
-
-typedef
-struct tagWMesaContextList
-{
- WMesaContext wc;
- struct tagWMesaContextList *next;
-}WMesaContextList;
-
-WMesaContextList *head = 0;
-
-void AddContext(WMesaContext wc)
-{
- WMesaContextList *lst = (WMesaContextList *)malloc(sizeof(WMesaContextList));
- lst->wc = wc;
- if( head )
- lst->next = head;
- head = lst;
-}
-
-WMesaContext FindContext(HWND hWnd)
-{
- WMesaContextList *tmp = head;
- while(tmp)
- {
- if( tmp->wc->hwnd == hWnd )
- return tmp->wc;
- tmp = tmp->next;
- }
- return NULL;
-}
-
-void RemoveContext(HWND hWnd)
-{
- WMesaContextList *tmp = head;
- if(tmp )
- {
- if( tmp->wc->hwnd == hWnd )
- {
- WMesaContextList *lst = tmp;
-
- head = tmp->next;
- free((void *)lst);
- }
- else
- while(tmp->next)
- {
- if( tmp->next->wc->hwnd == hWnd )
- {
- WMesaContextList *lst = tmp->next;
- tmp->next = tmp->next->next;
- free((void *)lst);
- }
- tmp = tmp->next;
- }
- }
-}
-
-static LRESULT CALLBACK MyWndProc(HWND hwnd,UINT message,WPARAM wParam, LPARAM lParam)
-{
- WMesaContext wc;
-
- if (Current==0 || Current->hwnd != hwnd)
- wc=FindContext(hwnd);
- else
- wc=Current;
-
-
- if( wc )
- {
- LRESULT lret = CallWindowProc((WNDPROC)(wc->oldWndProc),hwnd,message,wParam,lParam);
- if( message = WM_MOVE )
- {
- POINT pt = {0};
- GetClientRect( wc->hwnd, &(wc->rectSurface) );
- ClientToScreen( hwnd, &pt );
- OffsetRect(&(wc->rectSurface), pt.x, pt.y);
- }
- return lret;
- }
- return 0L;
-}
-
-/*
- * doInit - do work required for every instance of the application:
- * create the window, initialize data
- */
-static BOOL DDInit( WMesaContext wc, HWND hwnd)
-{
- HRESULT ddrval;
-// DWORD dwFrequency;
-
-// LPDIRECTDRAW lpDD; // DirectDraw object
-// LPDIRECTDRAW2 lpDD2;
- LPDIRECTDRAWCLIPPER pcClipper = NULL;
-
- wc->fullScreen = displayOptions.fullScreen;
- wc->gMode = displayOptions.mode;
- wc->hwnd = hwnd;
- stereo_flag = displayOptions.stereo;
- if(wc->db_flag!= GL_TRUE)
- stereo_flag = GL_FALSE;
- /*
- * create the main DirectDraw object
- */
- ddrval = DirectDrawCreate( NULL, &(wc->lpDD), NULL );
- if( ddrval != DD_OK )
- {
- return initFail(hwnd,wc);
- }
-
- // Get exclusive mode if requested
- if(wc->fullScreen)
- {
- ddrval = wc->lpDD->lpVtbl->SetCooperativeLevel( wc->lpDD, hwnd,
- DDSCL_EXCLUSIVE |
- DDSCL_FULLSCREEN );
- }
- else
- {
- ddrval = wc->lpDD->lpVtbl->SetCooperativeLevel( wc->lpDD, hwnd,
- DDSCL_NORMAL );
- }
- if( ddrval != DD_OK )
- {
- return initFail(hwnd , wc);
- }
-
-
- if(ddrval != DD_OK)
- return initFail(hwnd , wc);
-
-
- switch( wc->gMode )
- {
- case 1:
- ddrval = wc->lpDD->lpVtbl->SetDisplayMode( wc->lpDD, 640, 480,
- displayOptions.bpp);
- break;
- case 2:
- ddrval = wc->lpDD->lpVtbl->SetDisplayMode( wc->lpDD, 800, 600,
- displayOptions.bpp);
- break;
- case 3:
- ddrval = wc->lpDD->lpVtbl->SetDisplayMode( wc->lpDD, 1024, 768,
- displayOptions.bpp);
- break;
- case 4:
- ddrval = wc->lpDD->lpVtbl->SetDisplayMode( wc->lpDD, 1152, 864,
- displayOptions.bpp);
- break;
- case 5:
- ddrval = wc->lpDD->lpVtbl->SetDisplayMode( wc->lpDD, 1280, 1024,
- displayOptions.bpp);
- break;
+ y=FLIP(y);
+ lpb = ((LPBYTE)(pwfb->pbPixels + pwfb->ScanWidth * y)) + (3 * x);
+ if (mask) {
+ for (i=0; i<n; i++)
+ if (mask[i]) {
+ lpb[3*i] = rgba[i][BCOMP];
+ lpb[3*i+1] = rgba[i][GCOMP];
+ lpb[3*i+2] = rgba[i][RCOMP];
+ }
}
-
- if( ddrval != DD_OK )
- {
- printf("Can't modify display mode, current mode used\n");
+ else {
+ for (i=0; i<n; i++) {
+ *lpb++ = rgba[i][BCOMP];
+ *lpb++ = rgba[i][GCOMP];
+ *lpb++ = rgba[i][RCOMP];
+ }
}
- switch(ddrval){
- case DDERR_INVALIDOBJECT:
- break;
- case DDERR_INVALIDPARAMS:
- break;
- case DDERR_UNSUPPORTEDMODE:
- ;
- }
-
- if(DDCreatePrimarySurface(wc) == GL_FALSE)
- return initFail(hwnd, wc);
-
- if(wc->db_flag)
- DDCreateOffScreen(wc);
+}
- if( FAILED( ddrval = wc->lpDD->lpVtbl->CreateClipper(wc->lpDD, 0, &pcClipper, NULL ) ) )
- return E_FAIL;
- if( FAILED( ddrval = pcClipper->lpVtbl->SetHWnd(pcClipper, 0, wc->hwnd ) ) )
- {
- pcClipper->lpVtbl->Release(pcClipper);
- return E_FAIL;
- }
+/* Write a horizontal span of RGB color pixels with a boolean mask. */
+static void write_rgb_span_24(const GLcontext *ctx,
+ struct gl_renderbuffer *rb,
+ GLuint n, GLint x, GLint y,
+ const GLubyte rgb[][3],
+ const GLubyte mask[] )
+{
+ WMesaContext pwc = wmesa_context(ctx);
+ WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer);
+ GLuint i;
+ LPBYTE lpb;
- if( FAILED( ddrval = wc->lpDDSPrimary->lpVtbl->SetClipper(wc->lpDDSPrimary, pcClipper ) ) )
- {
- pcClipper->lpVtbl->Release(pcClipper);
- return E_FAIL;
+ (void) ctx;
+
+ y=FLIP(y);
+ lpb = ((LPBYTE)(pwfb->pbPixels + pwfb->ScanWidth * y)) + (3 * x);
+ if (mask) {
+ for (i=0; i<n; i++)
+ if (mask[i]) {
+ lpb[3*i] = rgb[i][BCOMP];
+ lpb[3*i+1] = rgb[i][GCOMP];
+ lpb[3*i+2] = rgb[i][RCOMP];
+ }
}
+ else {
+ for (i=0; i<n; i++) {
+ *lpb++ = rgb[i][BCOMP];
+ *lpb++ = rgb[i][GCOMP];
+ *lpb++ = rgb[i][RCOMP];
+ }
+ }
+}
- // Done with clipper
- pcClipper->lpVtbl->Release(pcClipper);
- AddContext(wc);
- // Hook the window so we can update the drawing rectangle when the window moves
- wc->oldWndProc = SetWindowLong(wc->hwnd,GWL_WNDPROC,(LONG)MyWndProc);
+/*
+ * Write a horizontal span of pixels with a boolean mask. The current color
+ * is used for all pixels.
+ */
+static void write_mono_rgba_span_24(const GLcontext *ctx,
+ struct gl_renderbuffer *rb,
+ GLuint n, GLint x, GLint y,
+ const GLchan color[4],
+ const GLubyte mask[])
+{
+ LPBYTE lpb;
+ GLuint i;
+ WMesaContext pwc = wmesa_context(ctx);
+ WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer);
+ lpb = ((LPBYTE)(pwfb->pbPixels + pwfb->ScanWidth * y)) + (3 * x);
+ y=FLIP(y);
+ if (mask) {
+ for (i=0; i<n; i++)
+ if (mask[i]) {
+ lpb[3*i] = color[BCOMP];
+ lpb[3*i+1] = color[GCOMP];
+ lpb[3*i+2] = color[RCOMP];
+ }
+ }
+ else
+ for (i=0; i<n; i++) {
+ *lpb++ = color[BCOMP];
+ *lpb++ = color[GCOMP];
+ *lpb++ = color[RCOMP];
+ }
+}
- return TRUE;
+/* Write an array of RGBA pixels with a boolean mask. */
+static void write_rgba_pixels_24(const GLcontext *ctx,
+ struct gl_renderbuffer *rb,
+ GLuint n, const GLint x[], const GLint y[],
+ const GLubyte rgba[][4],
+ const GLubyte mask[])
+{
+ GLuint i;
+ WMesaContext pwc = wmesa_context(ctx);
+ WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer);
+ for (i=0; i<n; i++)
+ if (mask[i])
+ WMSETPIXEL24(pwfb, FLIP(y[i]), x[i],
+ rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]);
+}
-} /* DDInit */
+/*
+ * Write an array of pixels with a boolean mask. The current color
+ * is used for all pixels.
+ */
+static void write_mono_rgba_pixels_24(const GLcontext *ctx,
+ struct gl_renderbuffer *rb,
+ GLuint n,
+ const GLint x[], const GLint y[],
+ const GLchan color[4],
+ const GLubyte mask[])
+{
+ GLuint i;
+ WMesaContext pwc = wmesa_context(ctx);
+ WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer);
+ for (i=0; i<n; i++)
+ if (mask[i])
+ WMSETPIXEL24(pwfb, FLIP(y[i]),x[i],color[RCOMP],
+ color[GCOMP], color[BCOMP]);
+}
-static void DDFree( WMesaContext wc)
-{
- RemoveContext(wc->hwnd);
- SetWindowLong(wc->hwnd,GWL_WNDPROC,(LONG)(wc->oldWndProc));
- wc->oldWndProc = 0;
- if( wc->lpDD != NULL )
- {
- DDFreePrimarySurface(wc);
- DDDeleteOffScreen(wc);
- wc->lpDD->lpVtbl->Release(wc->lpDD);
- wc->lpDD = NULL;
+/* Read a horizontal span of color pixels. */
+static void read_rgba_span_24(const GLcontext *ctx,
+ struct gl_renderbuffer *rb,
+ GLuint n, GLint x, GLint y,
+ GLubyte rgba[][4] )
+{
+ GLuint i;
+ LPBYTE lpb;
+ WMesaContext pwc = wmesa_context(ctx);
+ WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer);
+
+ y = FLIP(y);
+ lpb = ((LPBYTE)(pwfb->pbPixels + pwfb->ScanWidth * y)) + (3 * x);
+ for (i=0; i<n; i++) {
+ rgba[i][RCOMP] = lpb[3*i+2];
+ rgba[i][GCOMP] = lpb[3*i+1];
+ rgba[i][BCOMP] = lpb[3*i];
+ rgba[i][ACOMP] = 255;
}
- // 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);
+
+/* Read an array of color pixels. */
+static void read_rgba_pixels_24(const GLcontext *ctx,
+ struct gl_renderbuffer *rb,
+ GLuint n, const GLint x[], const GLint y[],
+ GLubyte rgba[][4])
+{
+ GLuint i;
+ LPBYTE lpb;
+ WMesaContext pwc = wmesa_context(ctx);
+ WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer);
+
+ for (i=0; i<n; i++) {
+ GLint y2 = FLIP(y[i]);
+ lpb = ((LPBYTE)(pwfb->pbPixels + pwfb->ScanWidth * y2)) + (3 * x[i]);
+ rgba[i][RCOMP] = lpb[3*i+2];
+ rgba[i][GCOMP] = lpb[3*i+1];
+ rgba[i][BCOMP] = lpb[3*i];
+ rgba[i][ACOMP] = 255;
}
}
-/************************************************
- * Mesa 4.0 - These triangle rasterizers are not
- * implemented in this version of the Windows
- * driver. They could be implemented for a
- * potential performance improvement.
- * See OSMesa for an example of the approach
- * to use.
- * This old code is left in this file in case
- * it is useful. However, it may end up looking
- * a lot more like the OSMesa code.
- ************************************************/
-
+/*********************************************************************/
-#if defined(FAST_RASTERIZERS)
+/* DOUBLE BUFFER 16-bit */
+#define WMSETPIXEL16(pwc, y, x, r, g, b) { \
+LPWORD lpw = ((LPWORD)((pwc)->pbPixels + (pwc)->ScanWidth * (y)) + (x)); \
+*lpw = BGR16((r),(g),(b)); }
-/*
- * 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 )
+/* Write a horizontal span of RGBA color pixels with a boolean mask. */
+static void write_rgba_span_16(const GLcontext *ctx,
+ struct gl_renderbuffer *rb,
+ GLuint n, GLint x, GLint y,
+ const GLubyte rgba[][4],
+ const GLubyte mask[] )
{
- WMesaContext wmesa = (WMesaContext) ctx->DriverCtx;
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define INTERP_RGB 1
-#define PIXEL_ADDRESS(X,Y) PIXELADDR4(X,Y)
-#define PIXEL_TYPE GLuint
- //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line)
-#define BYTES_PER_ROW (wmesa->ScanWidth)
-#define INNER_LOOP( LEFT, RIGHT, Y ) \
- { \
- GLint i, len = RIGHT-LEFT; \
- for (i=0;i<len;i++) { \
- GLdepth z = FixedToDepth(ffz); \
- if (z < zRow[i]) { \
- pRow[i] = PACK_8B8G8R( FixedToInt(ffr), FixedToInt(ffg), \
- FixedToInt(ffb) ); \
- zRow[i] = z; \
- } \
- ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \
- ffz += fdzdx; \
- } \
- }
-
-#ifdef __MINGW32__
- #include "tritemp.h"
-#else
+ WMesaContext pwc = wmesa_context(ctx);
+ WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer);
+ GLuint i;
+ LPWORD lpw;
- #ifdef WIN32
-// #include "..\tritemp.h"
- #else
- #include "tritemp.h"
- #endif
-#endif
+ (void) ctx;
+
+ y=FLIP(y);
+ lpw = ((LPWORD)(pwfb->pbPixels + pwfb->ScanWidth * y)) + x;
+ if (mask) {
+ for (i=0; i<n; i++)
+ if (mask[i])
+ lpw[i] = BGR16(rgba[i][RCOMP], rgba[i][GCOMP],
+ rgba[i][BCOMP]);
+ }
+ else {
+ for (i=0; i<n; i++)
+ *lpw++ = BGR16(rgba[i][RCOMP], rgba[i][GCOMP],
+ rgba[i][BCOMP]);
+ }
}
-/*
-* XImage, smooth, depth-buffered, PF_8R8G8B triangle.
-*/
-static void smooth_8R8G8B_z_triangle( GLcontext *ctx,
- GLuint v0, GLuint v1, GLuint v2,
- GLuint pv )
+/* Write a horizontal span of RGB color pixels with a boolean mask. */
+static void write_rgb_span_16(const GLcontext *ctx,
+ struct gl_renderbuffer *rb,
+ GLuint n, GLint x, GLint y,
+ const GLubyte rgb[][3],
+ const GLubyte mask[] )
{
- WMesaContext wmesa = (WMesaContext) ctx->DriverCtx;
-#define INTERP_Z 1
-#define INTERP_RGB 1
-#define PIXEL_ADDRESS(X,Y) PIXELADDR4(X,Y)
-#define PIXEL_TYPE GLuint
- //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line)
-#define BYTES_PER_ROW (wmesa->ScanWidth)
-#define INNER_LOOP( LEFT, RIGHT, Y ) \
- { \
- GLint i, len = RIGHT-LEFT; \
- for (i=0;i<len;i++) { \
- GLdepth z = FixedToDepth(ffz); \
- if (z < zRow[i]) { \
- pRow[i] = PACK_8R8G8B( FixedToInt(ffr), FixedToInt(ffg), \
- FixedToInt(ffb) ); \
- zRow[i] = z; \
- } \
- ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \
- ffz += fdzdx; \
- } \
- }
-#ifdef __MINGW32__
- #include "tritemp.h"
-#else
+ WMesaContext pwc = wmesa_context(ctx);
+ WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer);
+ GLuint i;
+ LPWORD lpw;
- #ifdef WIN32
-// #include "..\tritemp.h"
- #else
- #include "tritemp.h"
- #endif
-#endif
+ (void) ctx;
+
+ y=FLIP(y);
+ lpw = ((LPWORD)(pwfb->pbPixels + pwfb->ScanWidth * y)) + x;
+ if (mask) {
+ for (i=0; i<n; i++)
+ if (mask[i])
+ lpw[i] = BGR16(rgb[i][RCOMP], rgb[i][GCOMP],
+ rgb[i][BCOMP]);
+ }
+ else {
+ for (i=0; i<n; i++)
+ *lpw++ = BGR16(rgb[i][RCOMP], rgb[i][GCOMP],
+ rgb[i][BCOMP]);
+ }
}
-
-
/*
-* 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; \
- } \
+ * Write a horizontal span of pixels with a boolean mask. The current color
+ * is used for all pixels.
+ */
+static void write_mono_rgba_span_16(const GLcontext *ctx,
+ struct gl_renderbuffer *rb,
+ GLuint n, GLint x, GLint y,
+ const GLchan color[4],
+ const GLubyte mask[])
+{
+ LPWORD lpw;
+ WORD pixel;
+ GLuint i;
+ WMesaContext pwc = wmesa_context(ctx);
+ WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer);
+ (void) ctx;
+ lpw = ((LPWORD)(pwfb->pbPixels + pwfb->ScanWidth * y)) + x;
+ y=FLIP(y);
+ pixel = BGR16(color[RCOMP], color[GCOMP], color[BCOMP]);
+ if (mask) {
+ for (i=0; i<n; i++)
+ if (mask[i])
+ lpw[i] = pixel;
}
-#ifdef __MINGW32__
- #include "tritemp.h"
-#else
+ else
+ for (i=0; i<n; i++)
+ *lpw++ = pixel;
- #ifdef WIN32
-// #include "..\tritemp.h"
- #else
- #include "tritemp.h"
- #endif
-#endif
+}
+
+/* Write an array of RGBA pixels with a boolean mask. */
+static void write_rgba_pixels_16(const GLcontext *ctx,
+ struct gl_renderbuffer *rb,
+ GLuint n, const GLint x[], const GLint y[],
+ const GLubyte rgba[][4],
+ const GLubyte mask[])
+{
+ GLuint i;
+ WMesaContext pwc = wmesa_context(ctx);
+ WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer);
+ (void) ctx;
+ for (i=0; i<n; i++)
+ if (mask[i])
+ WMSETPIXEL16(pwfb, FLIP(y[i]), x[i],
+ rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]);
}
/*
-* XImage, flat, depth-buffered, PF_8A8B8G8R triangle.
-*/
-static void flat_8A8B8G8R_z_triangle( GLcontext *ctx, GLuint v0,
- GLuint v1, GLuint v2, GLuint pv )
-{
- WMesaContext wmesa = (WMesaContext) ctx->DriverCtx;
-#define INTERP_Z 1
-#define PIXEL_ADDRESS(X,Y) PIXELADDR4(X,Y)
-#define PIXEL_TYPE GLuint
- //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line)
-#define BYTES_PER_ROW (wmesa->ScanWidth)
-#define SETUP_CODE \
- unsigned long p = PACK_8B8G8R( VB->ColorPtr->data[pv][0], \
- VB->ColorPtr->data[pv][1], VB->ColorPtr->data[pv][2] );
-#define INNER_LOOP( LEFT, RIGHT, Y ) \
- { \
- GLint i, len = RIGHT-LEFT; \
- for (i=0;i<len;i++) { \
- GLdepth z = FixedToDepth(ffz); \
- if (z < zRow[i]) { \
- pRow[i] = p; \
- zRow[i] = z; \
- } \
- ffz += fdzdx; \
- } \
+ * Write an array of pixels with a boolean mask. The current color
+ * is used for all pixels.
+ */
+static void write_mono_rgba_pixels_16(const GLcontext *ctx,
+ struct gl_renderbuffer *rb,
+ GLuint n,
+ const GLint x[], const GLint y[],
+ const GLchan color[4],
+ const GLubyte mask[])
+{
+ GLuint i;
+ WMesaContext pwc = wmesa_context(ctx);
+ WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer);
+ (void) ctx;
+ for (i=0; i<n; i++)
+ if (mask[i])
+ WMSETPIXEL16(pwfb, FLIP(y[i]),x[i],color[RCOMP],
+ color[GCOMP], color[BCOMP]);
+}
+
+/* Read a horizontal span of color pixels. */
+static void read_rgba_span_16(const GLcontext *ctx,
+ struct gl_renderbuffer *rb,
+ GLuint n, GLint x, GLint y,
+ GLubyte rgba[][4] )
+{
+ GLuint i, pixel;
+ LPWORD lpw;
+ WMesaContext pwc = wmesa_context(ctx);
+ WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer);
+
+ y = FLIP(y);
+ lpw = ((LPWORD)(pwfb->pbPixels + pwfb->ScanWidth * y)) + x;
+ for (i=0; i<n; i++) {
+ pixel = lpw[i];
+ /* Windows uses 5,5,5 for 16-bit */
+ rgba[i][RCOMP] = (pixel & 0x7c00) >> 7;
+ rgba[i][GCOMP] = (pixel & 0x03e0) >> 2;
+ rgba[i][BCOMP] = (pixel & 0x001f) << 3;
+ rgba[i][ACOMP] = 255;
}
-#ifdef __MINGW32__
- #include "tritemp.h"
-#else
+}
- #ifdef WIN32
-// #include "..\tritemp.h"
- #else
- #include "tritemp.h"
- #endif
-#endif
+
+/* Read an array of color pixels. */
+static void read_rgba_pixels_16(const GLcontext *ctx,
+ struct gl_renderbuffer *rb,
+ GLuint n, const GLint x[], const GLint y[],
+ GLubyte rgba[][4])
+{
+ GLuint i, pixel;
+ LPWORD lpw;
+ WMesaContext pwc = wmesa_context(ctx);
+ WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer);
+
+ for (i=0; i<n; i++) {
+ GLint y2 = FLIP(y[i]);
+ lpw = ((LPWORD)(pwfb->pbPixels + pwfb->ScanWidth * y2)) + x[i];
+ pixel = *lpw;
+ /* Windows uses 5,5,5 for 16-bit */
+ rgba[i][RCOMP] = (pixel & 0x7c00) >> 7;
+ rgba[i][GCOMP] = (pixel & 0x03e0) >> 2;
+ rgba[i][BCOMP] = (pixel & 0x001f) << 3;
+ rgba[i][ACOMP] = 255;
+ }
}
-/*
-* XImage, flat, depth-buffered, PF_8R8G8B triangle.
-*/
-static void flat_8R8G8B_z_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
- GLuint v2, GLuint pv )
-{
- WMesaContext wmesa = (WMesaContext) ctx->DriverCtx;
-#define INTERP_Z 1
-#define PIXEL_ADDRESS(X,Y) PIXELADDR4(X,Y)
-#define PIXEL_TYPE GLuint
- //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line)
-#define BYTES_PER_ROW (wmesa->ScanWidth)
-#define SETUP_CODE \
- unsigned long p = PACK_8R8G8B( VB->ColorPtr->data[pv][0], \
- VB->ColorPtr->data[pv][1], VB->ColorPtr->data[pv][2] );
-#define INNER_LOOP( LEFT, RIGHT, Y ) \
- { \
- GLint i, len = RIGHT-LEFT; \
- for (i=0;i<len;i++) { \
- GLdepth z = FixedToDepth(ffz); \
- if (z < zRow[i]) { \
- pRow[i] = p; \
- zRow[i] = z; \
- } \
- ffz += fdzdx; \
- } \
- }
-#ifdef __MINGW32__
- #include "tritemp.h"
-#else
- #ifdef WIN32
-// #include "..\tritemp.h"
- #else
- #include "tritemp.h"
- #endif
-#endif
-}
+/**********************************************************************/
+/***** BUFFER Functions *****/
+/**********************************************************************/
-/*
-* XImage, flat, depth-buffered, PF_5R6G5B triangle.
-*/
-static void flat_5R6G5B_z_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
- GLuint v2, GLuint pv )
-{
- WMesaContext wmesa = (WMesaContext) ctx->DriverCtx;
-#define INTERP_Z 1
-#define PIXEL_ADDRESS(X,Y) PIXELADDR2(X,Y)
-#define PIXEL_TYPE GLushort
- //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line)
-#define BYTES_PER_ROW (wmesa->ScanWidth)
-#define SETUP_CODE \
- unsigned long p = PACK_5R6G5B( VB->ColorPtr->data[pv][0], \
- VB->ColorPtr->data[pv][1], VB->ColorPtr->data[pv][2] );
-#define INNER_LOOP( LEFT, RIGHT, Y ) \
- { \
- GLint i, len = RIGHT-LEFT; \
- for (i=0;i<len;i++) { \
- GLdepth z = FixedToDepth(ffz); \
- if (z < zRow[i]) { \
- pRow[i] = p; \
- zRow[i] = z; \
- } \
- ffz += fdzdx; \
- } \
- }
-#ifdef __MINGW32__
- #include "tritemp.h"
-#else
- #ifdef WIN32
-// #include "..\tritemp.h"
- #else
- #include "tritemp.h"
- #endif
-#endif
-}
-/*
-* XImage, smooth, NON-depth-buffered, PF_8A8B8G8R triangle.
-*/
-static void smooth_8A8B8G8R_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
- GLuint v2, GLuint pv )
+static void
+wmesa_delete_renderbuffer(struct gl_renderbuffer *rb)
{
- WMesaContext wmesa = (WMesaContext) ctx->DriverCtx;
-#define INTERP_RGB 1
-#define PIXEL_ADDRESS(X,Y) PIXELADDR4(X,Y)
-#define PIXEL_TYPE GLuint
- //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line)
-#define BYTES_PER_ROW (wmesa->ScanWidth)
-#define INNER_LOOP( LEFT, RIGHT, Y ) \
- { \
- GLint xx; \
- PIXEL_TYPE *pixel = pRow; \
- for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \
- *pixel = PACK_8B8G8R( FixedToInt(ffr), FixedToInt(ffg), \
- FixedToInt(ffb) ); \
- ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \
- } \
- }
-#ifdef __MINGW32__
- #include "tritemp.h"
-#else
-
- #ifdef WIN32
-// #include "..\tritemp.h"
- #else
- #include "tritemp.h"
- #endif
-#endif
+ _mesa_free(rb);
}
-/*
-* XImage, smooth, NON-depth-buffered, PF_8R8G8B triangle.
-*/
-static void smooth_8R8G8B_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
- GLuint v2, GLuint pv )
+/**
+ * This is called by Mesa whenever it determines that the window size
+ * has changed. Do whatever's needed to cope with that.
+ */
+static GLboolean
+wmesa_renderbuffer_storage(GLcontext *ctx,
+ struct gl_renderbuffer *rb,
+ GLenum internalFormat,
+ GLuint width,
+ GLuint height)
{
- WMesaContext wmesa = (WMesaContext) ctx->DriverCtx;
-#define INTERP_RGB 1
-#define PIXEL_ADDRESS(X,Y) PIXELADDR4(X,Y)
-#define PIXEL_TYPE GLuint
- //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line)
-#define BYTES_PER_ROW (wmesa->ScanWidth)
-#define INNER_LOOP( LEFT, RIGHT, Y ) \
- { \
- GLint xx; \
- PIXEL_TYPE *pixel = pRow; \
- for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \
- *pixel = PACK_8R8G8B( FixedToInt(ffr), FixedToInt(ffg), \
- FixedToInt(ffb) ); \
- ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \
- } \
- }
-#ifdef __MINGW32__
- #include "tritemp.h"
-#else
-
- #ifdef WIN32
-// #include "..\tritemp.h"
- #else
- #include "tritemp.h"
- #endif
-#endif
+ rb->Width = width;
+ rb->Height = height;
+ return GL_TRUE;
}
-/*
-* 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; \
- } \
+/**
+ * Plug in the Get/PutRow/Values functions for a renderbuffer depending
+ * on if we're drawing to the front or back color buffer.
+ */
+void wmesa_set_renderbuffer_funcs(struct gl_renderbuffer *rb, int pixelformat,
+ BYTE cColorBits, int double_buffer)
+{
+ if (double_buffer) {
+ /* back buffer */
+ /* Picking the correct span functions is important because
+ * the DIB was allocated with the indicated depth. */
+ switch(pixelformat) {
+ case PF_5R6G5B:
+ rb->PutRow = write_rgba_span_16;
+ rb->PutRowRGB = write_rgb_span_16;
+ rb->PutMonoRow = write_mono_rgba_span_16;
+ rb->PutValues = write_rgba_pixels_16;
+ rb->PutMonoValues = write_mono_rgba_pixels_16;
+ rb->GetRow = read_rgba_span_16;
+ rb->GetValues = read_rgba_pixels_16;
+ rb->RedBits = 5;
+ rb->GreenBits = 6;
+ rb->BlueBits = 5;
+ break;
+ case PF_8R8G8B:
+ if (cColorBits == 24)
+ {
+ rb->PutRow = write_rgba_span_24;
+ rb->PutRowRGB = write_rgb_span_24;
+ rb->PutMonoRow = write_mono_rgba_span_24;
+ rb->PutValues = write_rgba_pixels_24;
+ rb->PutMonoValues = write_mono_rgba_pixels_24;
+ rb->GetRow = read_rgba_span_24;
+ rb->GetValues = read_rgba_pixels_24;
+ rb->RedBits = 8;
+ rb->GreenBits = 8;
+ rb->BlueBits = 8;
+ }
+ else
+ {
+ rb->PutRow = write_rgba_span_32;
+ rb->PutRowRGB = write_rgb_span_32;
+ rb->PutMonoRow = write_mono_rgba_span_32;
+ rb->PutValues = write_rgba_pixels_32;
+ rb->PutMonoValues = write_mono_rgba_pixels_32;
+ rb->GetRow = read_rgba_span_32;
+ rb->GetValues = read_rgba_pixels_32;
+ rb->RedBits = 8;
+ rb->GreenBits = 8;
+ rb->BlueBits = 8;
+ }
+ break;
+ default:
+ break;
+ }
+ }
+ else {
+ /* front buffer (actual Windows window) */
+ rb->PutRow = write_rgba_span_front;
+ rb->PutRowRGB = write_rgb_span_front;
+ rb->PutMonoRow = write_mono_rgba_span_front;
+ rb->PutValues = write_rgba_pixels_front;
+ rb->PutMonoValues = write_mono_rgba_pixels_front;
+ rb->GetRow = read_rgba_span_front;
+ rb->GetValues = read_rgba_pixels_front;
+ rb->RedBits = 8; /* XXX fix these (565?) */
+ rb->GreenBits = 8;
+ rb->BlueBits = 8;
}
-#ifdef __MINGW32__
- #include "tritemp.h"
-#else
-
- #ifdef WIN32
-// #include "..\tritemp.h"
- #else
- #include "tritemp.h"
- #endif
-#endif
}
+/**
+ * Called by ctx->Driver.ResizeBuffers()
+ * Resize the front/back colorbuffers to match the latest window size.
+ */
+static void
+wmesa_resize_buffers(GLcontext *ctx, GLframebuffer *buffer,
+ GLuint width, GLuint height)
+{
+ WMesaContext pwc = wmesa_context(ctx);
+ WMesaFramebuffer pwfb = wmesa_framebuffer(buffer);
+
+ if (pwfb->Base.Width != width || pwfb->Base.Height != height) {
+ /* Realloc back buffer */
+ if (ctx->Visual.doubleBufferMode == 1) {
+ wmDeleteBackingStore(pwfb);
+ wmCreateBackingStore(pwfb, width, height);
+ }
+ }
+ _mesa_resize_framebuffer(ctx, buffer, width, height);
+}
-/*
-* XImage, flat, NON-depth-buffered, PF_8A8B8G8R triangle.
-*/
-static void flat_8A8B8G8R_triangle( GLcontext *ctx, GLuint v0,
- GLuint v1, GLuint v2, GLuint pv )
+/**
+ * Called by glViewport.
+ * This is a good time for us to poll the current window size and adjust
+ * our renderbuffers to match the current window size.
+ * Remember, we have no opportunity to respond to conventional
+ * resize events since the driver has no event loop.
+ * Thus, we poll.
+ * MakeCurrent also ends up making a call here, so that ensures
+ * we get the viewport set correctly, even if the app does not call
+ * glViewport and relies on the defaults.
+ */
+static void wmesa_viewport(GLcontext *ctx,
+ GLint x, GLint y,
+ GLsizei width, GLsizei height)
{
- WMesaContext wmesa = (WMesaContext) ctx->DriverCtx;
-#define PIXEL_ADDRESS(X,Y) PIXELADDR4(X,Y)
-#define PIXEL_TYPE GLuint
- //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line)
-#define BYTES_PER_ROW (wmesa->ScanWidth)
-#define SETUP_CODE \
- unsigned long p = PACK_8B8G8R( VB->ColorPtr->data[pv][0], \
- VB->ColorPtr->data[pv][1], VB->ColorPtr->data[pv][2] );
-#define INNER_LOOP( LEFT, RIGHT, Y ) \
- { \
- GLint xx; \
- PIXEL_TYPE *pixel = pRow; \
- for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \
- *pixel = p; \
- } \
- }
+ WMesaContext pwc = wmesa_context(ctx);
+ GLuint new_width, new_height;
-#ifdef __MINGW32__
- #include "tritemp.h"
-#else
+ wmesa_get_buffer_size(ctx->WinSysDrawBuffer, &new_width, &new_height);
- #ifdef WIN32
-// #include "..\tritemp.h"
- #else
- #include "tritemp.h"
- #endif
-#endif
+ /**
+ * Resize buffers if the window size changed.
+ */
+ wmesa_resize_buffers(ctx, ctx->WinSysDrawBuffer, new_width, new_height);
+ ctx->NewState |= _NEW_BUFFERS; /* to update scissor / window bounds */
}
-/*
-* XImage, flat, NON-depth-buffered, PF_8R8G8B triangle.
-*/
-static void flat_8R8G8B_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
- GLuint v2, GLuint pv )
-{
- WMesaContext wmesa = (WMesaContext) ctx->DriverCtx;
-#define PIXEL_ADDRESS(X,Y) PIXELADDR4(X,Y)
-#define PIXEL_TYPE GLuint
- //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line)
-#define BYTES_PER_ROW (wmesa->ScanWidth)
-#define SETUP_CODE \
- unsigned long p = PACK_8R8G8B( VB->ColorPtr->data[pv][0], \
- VB->ColorPtr->data[pv][1], VB->ColorPtr->data[pv][2] );
-#define INNER_LOOP( LEFT, RIGHT, Y ) \
- { \
- GLint xx; \
- PIXEL_TYPE *pixel = pRow; \
- for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \
- *pixel = p; \
- } \
- }
-#ifdef __MINGW32__
- #include "tritemp.h"
-#else
-
- #ifdef WIN32
-// #include "..\tritemp.h"
- #else
- #include "tritemp.h"
- #endif
-#endif
-}
-/*
-* XImage, flat, NON-depth-buffered, PF_5R6G5B triangle.
-*/
-static void flat_5R6G5B_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
- GLuint v2, GLuint pv )
+/**
+ * Called when the driver should update it's state, based on the new_state
+ * flags.
+ */
+static void wmesa_update_state(GLcontext *ctx, GLuint new_state)
{
- WMesaContext wmesa = (WMesaContext) ctx->DriverCtx;
-#define PIXEL_ADDRESS(X,Y) PIXELADDR2(X,Y)
-#define PIXEL_TYPE GLushort
- //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line)
-#define BYTES_PER_ROW (wmesa->ScanWidth)
-#define SETUP_CODE \
- unsigned long p = PACK_5R6G5B( VB->ColorPtr->data[pv][0], \
- VB->ColorPtr->data[pv][1], VB->ColorPtr->data[pv][2] );
-#define INNER_LOOP( LEFT, RIGHT, Y ) \
- { \
- GLint xx; \
- PIXEL_TYPE *pixel = pRow; \
- for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \
- *pixel = p; \
- } \
- }
-#ifdef __MINGW32__
- #include "tritemp.h"
-#else
+ _swrast_InvalidateState(ctx, new_state);
+ _swsetup_InvalidateState(ctx, new_state);
+ _vbo_InvalidateState(ctx, new_state);
+ _tnl_InvalidateState(ctx, new_state);
- #ifdef WIN32
-// #include "..\tritemp.h"
- #else
- #include "tritemp.h"
- #endif
-#endif
-}
+ /* TODO - This code is not complete yet because I
+ * don't know what to do for all state updates.
+ */
+ if (new_state & _NEW_BUFFERS) {
+ }
+}
-/*
-* XImage, smooth, depth-buffered, 8-bit PF_LOOKUP triangle.
-*/
-static void smooth_ci_z_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
- GLuint v2, GLuint pv )
-{
- WMesaContext wmesa = (WMesaContext) ctx->DriverCtx;
-#define INTERP_Z 1
-#define INTERP_INDEX 1
-#define PIXEL_ADDRESS(X,Y) PIXELADDR1(X,Y)
-#define PIXEL_TYPE GLubyte
-#define BYTES_PER_ROW (wmesa->ScanWidth)
-#define INNER_LOOP( LEFT, RIGHT, Y ) \
- { \
- GLint i, len = RIGHT-LEFT; \
- for (i=0;i<len;i++) { \
- GLdepth z = FixedToDepth(ffz); \
- if (z < zRow[i]) { \
- pRow[i] = FixedToInt(ffi); \
- zRow[i] = z; \
- } \
- ffi += fdidx; \
- ffz += fdzdx; \
- } \
- }
-#ifdef __MINGW32__
- #include "tritemp.h"
-#else
- #ifdef WIN32
-// #include "..\tritemp.h"
- #else
- #include "tritemp.h"
- #endif
-#endif
-}
-/*
-* XImage, flat, depth-buffered, 8-bit PF_LOOKUP triangle.
-*/
+/**********************************************************************/
+/***** WMESA Functions *****/
+/**********************************************************************/
-static void flat_ci_z_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
- GLuint v2, GLuint pv )
+WMesaContext WMesaCreateContext(HDC hDC,
+ HPALETTE* Pal,
+ GLboolean rgb_flag,
+ GLboolean db_flag,
+ GLboolean alpha_flag)
{
- WMesaContext wmesa = (WMesaContext) ctx->DriverCtx;
-#define INTERP_Z 1
-#define PIXEL_ADDRESS(X,Y) PIXELADDR1(X,Y)
-#define PIXEL_TYPE GLubyte
-#define BYTES_PER_ROW (wmesa->ScanWidth)
-#define SETUP_CODE \
- GLuint index = VB->IndexPtr->data[pv]; \
- (*ctx->Driver.Index)( ctx, index );
-#define INNER_LOOP( LEFT, RIGHT, Y ) \
- { \
- GLint i, len = RIGHT-LEFT; \
- for (i=0;i<len;i++) { \
- GLdepth z = FixedToDepth(ffz); \
- if (z < zRow[i]) { \
- pRow[i] = index; \
- zRow[i] = z; \
- } \
- ffz += fdzdx; \
- } \
- }
-#ifdef __MINGW32__
- #include "tritemp.h"
-#else
+ WMesaContext c;
+ struct dd_function_table functions;
+ GLint red_bits, green_bits, blue_bits, alpha_bits;
+ GLcontext *ctx;
+ GLvisual *visual;
- #ifdef WIN32
-// #include "..\tritemp.h"
- #else
- #include "tritemp.h"
- #endif
-#endif
-}
+ (void) Pal;
+
+ /* Indexed mode not supported */
+ if (!rgb_flag)
+ return NULL;
+ /* Allocate wmesa context */
+ c = CALLOC_STRUCT(wmesa_context);
+ if (!c)
+ return NULL;
+#if 0
+ /* I do not understand this contributed code */
+ /* Support memory and device contexts */
+ if(WindowFromDC(hDC) != NULL) {
+ c->hDC = GetDC(WindowFromDC(hDC)); /* huh ???? */
+ }
+ else {
+ c->hDC = hDC;
+ }
+#else
+ c->hDC = hDC;
+#endif
-/*
-* XImage, smooth, NON-depth-buffered, 8-bit PF_LOOKUP triangle.
-*/
+ /* Get data for visual */
+ /* Dealing with this is actually a bit of overkill because Mesa will end
+ * up treating all color component size requests less than 8 by using
+ * a single byte per channel. In addition, the interface to the span
+ * routines passes colors as an entire byte per channel anyway, so there
+ * is nothing to be saved by telling the visual to be 16 bits if the device
+ * is 16 bits. That is, Mesa is going to compute colors down to 8 bits per
+ * channel anyway.
+ * But we go through the motions here anyway.
+ */
+ switch (GetDeviceCaps(c->hDC, BITSPIXEL)) {
+ case 16:
+ red_bits = green_bits = blue_bits = 5;
+ alpha_bits = 0;
+ break;
+ default:
+ red_bits = green_bits = blue_bits = 8;
+ alpha_bits = 8;
+ break;
+ }
+ /* Create visual based on flags */
+ visual = _mesa_create_visual(rgb_flag,
+ db_flag, /* db_flag */
+ GL_FALSE, /* stereo */
+ red_bits, green_bits, blue_bits, /* color RGB */
+ alpha_flag ? alpha_bits : 0, /* color A */
+ 0, /* index bits */
+ DEFAULT_SOFTWARE_DEPTH_BITS, /* depth_bits */
+ 8, /* stencil_bits */
+ 16,16,16, /* accum RGB */
+ alpha_flag ? 16 : 0, /* accum A */
+ 1); /* num samples */
+
+ if (!visual) {
+ _mesa_free(c);
+ return NULL;
+ }
-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; \
- } \
+ /* Set up driver functions */
+ _mesa_init_driver_functions(&functions);
+ functions.GetString = wmesa_get_string;
+ functions.UpdateState = wmesa_update_state;
+ functions.GetBufferSize = wmesa_get_buffer_size;
+ functions.Flush = wmesa_flush;
+ functions.Clear = clear;
+ functions.ClearIndex = clear_index;
+ functions.ClearColor = clear_color;
+ functions.ResizeBuffers = wmesa_resize_buffers;
+ functions.Viewport = wmesa_viewport;
+
+ /* initialize the Mesa context data */
+ ctx = &c->gl_ctx;
+ _mesa_initialize_context(ctx, visual, NULL, &functions, (void *)c);
+
+ /* visual no longer needed - it was copied by _mesa_initialize_context() */
+ _mesa_destroy_visual(visual);
+
+ _mesa_enable_sw_extensions(ctx);
+ _mesa_enable_1_3_extensions(ctx);
+ _mesa_enable_1_4_extensions(ctx);
+ _mesa_enable_1_5_extensions(ctx);
+ _mesa_enable_2_0_extensions(ctx);
+ _mesa_enable_2_1_extensions(ctx);
+
+ _mesa_meta_init(ctx);
+
+ /* Initialize the software rasterizer and helper modules. */
+ if (!_swrast_CreateContext(ctx) ||
+ !_vbo_CreateContext(ctx) ||
+ !_tnl_CreateContext(ctx) ||
+ !_swsetup_CreateContext(ctx)) {
+ _mesa_free_context_data(ctx);
+ _mesa_free(c);
+ return NULL;
}
-#ifdef __MINGW32__
- #include "tritemp.h"
-#else
+ _swsetup_Wakeup(ctx);
+ TNL_CONTEXT(ctx)->Driver.RunPipeline = _tnl_run_pipeline;
- #ifdef WIN32
-// #include "..\tritemp.h"
- #else
- #include "tritemp.h"
- #endif
-#endif
+ return c;
}
-/*
-* 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 )
+void WMesaDestroyContext( WMesaContext pwc )
{
- WMesaContext wmesa = (WMesaContext) ctx->DriverCtx;
-#define INTERP_Z 1
-#define PIXEL_ADDRESS(X,Y) PIXELADDR1(X,Y)
-#define PIXEL_TYPE GLubyte
-#define BYTES_PER_ROW (wmesa->ScanWidth)
-#define SETUP_CODE \
- GLuint index = VB->IndexPtr->data[pv]; \
- (*ctx->Driver.Index)( ctx, index );
-#define INNER_LOOP( LEFT, RIGHT, Y ) \
- { \
- GLint xx; \
- PIXEL_TYPE *pixel = pRow; \
- for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \
- *pixel = index; \
- } \
- }
-#ifdef __MINGW32__
- #include "tritemp.h"
-#else
+ GLcontext *ctx = &pwc->gl_ctx;
+ WMesaFramebuffer pwfb;
+ GET_CURRENT_CONTEXT(cur_ctx);
- #ifdef WIN32
-// #include "..\tritemp.h"
- #else
- #include "tritemp.h"
- #endif
-#endif
-}
+ if (cur_ctx == ctx) {
+ /* unbind current if deleting current context */
+ WMesaMakeCurrent(NULL, NULL);
+ }
-/*
-* 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; \
- } \
+ /* clean up frame buffer resources */
+ pwfb = wmesa_lookup_framebuffer(pwc->hDC);
+ if (pwfb) {
+ if (ctx->Visual.doubleBufferMode == 1)
+ wmDeleteBackingStore(pwfb);
+ wmesa_free_framebuffer(pwc->hDC);
}
-#ifdef __MINGW32__
- #include "tritemp.h"
-#else
- #ifdef WIN32
-// #include "..\tritemp.h"
- #else
- #include "tritemp.h"
- #endif
-#endif
+ /* Release for device, not memory contexts */
+ if (WindowFromDC(pwc->hDC) != NULL)
+ {
+ ReleaseDC(WindowFromDC(pwc->hDC), pwc->hDC);
+ }
+ DeleteObject(pwc->clearPen);
+ DeleteObject(pwc->clearBrush);
+
+ _mesa_meta_free(ctx);
+
+ _swsetup_DestroyContext(ctx);
+ _tnl_DestroyContext(ctx);
+ _vbo_DestroyContext(ctx);
+ _swrast_DestroyContext(ctx);
+
+ _mesa_free_context_data(ctx);
+ _mesa_free(pwc);
}
-/*
-* 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 )
+
+/**
+ * Create a new color renderbuffer.
+ */
+struct gl_renderbuffer *
+wmesa_new_renderbuffer(void)
{
- WMesaContext wmesa = (WMesaContext) ctx->DriverCtx;
- DITHER_RGB_TO_8BIT_SETUP
-#define INTERP_Z 1
-#define PIXEL_ADDRESS(X,Y) PIXELADDR1(X,Y)
-#define PIXEL_TYPE GLubyte
-#define BYTES_PER_ROW (wmesa->ScanWidth)
-
-#define INNER_LOOP( LEFT, RIGHT, Y ) \
- { \
- GLint i, xx = LEFT, yy = FLIP(Y), len = RIGHT-LEFT; \
- for (i=0;i<len;i++,xx++) { \
- GLdepth z = FixedToDepth(ffz); \
- if (z < zRow[i]) { \
- DITHER_RGB_TO_8BIT( VB->ColorPtr->data[pv][0], \
- VB->ColorPtr->data[pv][1], VB->ColorPtr->data[pv][2], xx, yy); \
- pRow[i] = pixelDithered; \
- zRow[i] = z; \
- } \
- ffz += fdzdx; \
- } \
- }
-#ifdef __MINGW32__
- #include "tritemp.h"
-#else
+ struct gl_renderbuffer *rb = CALLOC_STRUCT(gl_renderbuffer);
+ if (!rb)
+ return NULL;
- #ifdef WIN32
-// #include "..\tritemp.h"
- #else
- #include "tritemp.h"
- #endif
-#endif
+ _mesa_init_renderbuffer(rb, (GLuint)0);
+
+ rb->_BaseFormat = GL_RGBA;
+ rb->InternalFormat = GL_RGBA;
+ rb->DataType = CHAN_TYPE;
+ rb->Delete = wmesa_delete_renderbuffer;
+ rb->AllocStorage = wmesa_renderbuffer_storage;
+ return rb;
}
-/*
-* 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 )
+
+void WMesaMakeCurrent(WMesaContext c, HDC hdc)
{
- WMesaContext wmesa = (WMesaContext) ctx->DriverCtx;
- DITHER_RGB_TO_8BIT_SETUP
-#define INTERP_RGB 1
-#define PIXEL_ADDRESS(X,Y) PIXELADDR1(X,Y)
-#define PIXEL_TYPE GLubyte
-#define BYTES_PER_ROW (wmesa->ScanWidth)
-#define INNER_LOOP( LEFT, RIGHT, Y ) \
- { \
- GLint xx, yy = FLIP(Y); \
- PIXEL_TYPE *pixel = pRow; \
- for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \
- DITHER_RGB_TO_8BIT( VB->ColorPtr->data[pv][0], VB->ColorPtr->data[pv][1], VB->ColorPtr->data[pv][2], xx, yy);\
- *pixel = pixelDithered; \
- ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \
- } \
+ WMesaFramebuffer pwfb;
+
+ {
+ /* return if already current */
+ GET_CURRENT_CONTEXT(ctx);
+ WMesaContext pwc = wmesa_context(ctx);
+ if (pwc && c == pwc && pwc->hDC == hdc)
+ return;
}
-#ifdef __MINGW32__
- #include "tritemp.h"
-#else
- #ifdef WIN32
-// #include "..\tritemp.h"
- #else
- #include "tritemp.h"
- #endif
-#endif
-}
+ pwfb = wmesa_lookup_framebuffer(hdc);
-/*
-* XImage, flat, NON-depth-buffered, 8-bit PF_DITHER triangle.
-*/
+ /* Lazy creation of framebuffers */
+ if (c && !pwfb && hdc) {
+ struct gl_renderbuffer *rb;
+ GLvisual *visual = &c->gl_ctx.Visual;
+ GLuint width, height;
-static void flat_DITHER8_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
- GLuint v2, GLuint pv )
-{
- WMesaContext wmesa = (WMesaContext) ctx->DriverCtx;
- DITHER_RGB_TO_8BIT_SETUP
-#define PIXEL_ADDRESS(X,Y) PIXELADDR1(X,Y)
-#define PIXEL_TYPE GLubyte
-#define BYTES_PER_ROW (wmesa->ScanWidth)
-
-#define INNER_LOOP( LEFT, RIGHT, Y ) \
- { \
- GLint xx, yy = FLIP(Y); \
- PIXEL_TYPE *pixel = pRow; \
- for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \
- DITHER_RGB_TO_8BIT( VB->ColorPtr->data[pv][0], \
- VB->ColorPtr->data[pv][1], VB->ColorPtr->data[pv][2], xx, yy); \
- *pixel = pixelDithered; \
- } \
+ get_window_size(hdc, &width, &height);
+
+ c->clearPen = CreatePen(PS_SOLID, 1, 0);
+ c->clearBrush = CreateSolidBrush(0);
+
+ pwfb = wmesa_new_framebuffer(hdc, visual);
+
+ /* Create back buffer if double buffered */
+ if (visual->doubleBufferMode == 1) {
+ wmCreateBackingStore(pwfb, width, height);
+ }
+
+ /* make render buffers */
+ if (visual->doubleBufferMode == 1) {
+ rb = wmesa_new_renderbuffer();
+ _mesa_add_renderbuffer(&pwfb->Base, BUFFER_BACK_LEFT, rb);
+ wmesa_set_renderbuffer_funcs(rb, pwfb->pixelformat, pwfb->cColorBits, 1);
+ }
+ rb = wmesa_new_renderbuffer();
+ _mesa_add_renderbuffer(&pwfb->Base, BUFFER_FRONT_LEFT, rb);
+ wmesa_set_renderbuffer_funcs(rb, pwfb->pixelformat, pwfb->cColorBits, 0);
+
+ /* Let Mesa own the Depth, Stencil, and Accum buffers */
+ _mesa_add_soft_renderbuffers(&pwfb->Base,
+ GL_FALSE, /* color */
+ visual->depthBits > 0,
+ visual->stencilBits > 0,
+ visual->accumRedBits > 0,
+ visual->alphaBits >0,
+ GL_FALSE);
}
-#ifdef __MINGW32__
- #include "tritemp.h"
-#else
- #ifdef WIN32
-// #include "..\tritemp.h"
- #else
- #include "tritemp.h"
- #endif
-#endif
+ if (c && pwfb)
+ _mesa_make_current(&c->gl_ctx, &pwfb->Base, &pwfb->Base);
+ else
+ _mesa_make_current(NULL, NULL, NULL);
}
-#endif
-/************** END DEAD TRIANGLE CODE ***********************/
-
-#if 0 /* unused */
-static tnl_triangle_func choose_triangle_function( GLcontext *ctx )
+void WMesaSwapBuffers( HDC hdc )
{
- (void) ctx;
-#if 0
- WMesaContext wmesa = (WMesaContext) ctx->DriverCtx;
- int depth = wmesa->cColorBits;
-
- if (ctx->Polygon.SmoothFlag) return NULL;
- if (ctx->Texture._EnabledUnits) return NULL;
- if (!wmesa->db_flag) return NULL;
- if (ctx->swrast->_RasterMask & MULTI_DRAW_BIT) return NULL;
-
- /*if (wmesa->xm_buffer->buffer==XIMAGE)*/ {
- if ( ctx->Light.ShadeModel==GL_SMOOTH
- && ctx->_RasterMask==DEPTH_BIT
- && ctx->Depth.Func==GL_LESS
- && ctx->Depth.Mask==GL_TRUE
- && ctx->Polygon.StippleFlag==GL_FALSE) {
- switch (wmesa->pixelformat) {
- case PF_8A8B8G8R:
- return smooth_8A8B8G8R_z_triangle;
- case PF_8R8G8B:
- return smooth_8R8G8B_z_triangle;
- case PF_5R6G5B:
- return smooth_5R6G5B_z_triangle;
- case PF_DITHER8:
- return smooth_DITHER8_z_triangle;
- case PF_INDEX8:
- return smooth_ci_z_triangle;
- default:
- return NULL;
- }
- }
- if ( ctx->Light.ShadeModel==GL_FLAT
- && ctx->_RasterMask==DEPTH_BIT
- && ctx->Depth.Func==GL_LESS
- && ctx->Depth.Mask==GL_TRUE
- && ctx->Polygon.StippleFlag==GL_FALSE) {
- switch (wmesa->pixelformat) {
- case PF_8A8B8G8R:
- return flat_8A8B8G8R_z_triangle;
- case PF_8R8G8B:
- return flat_8R8G8B_z_triangle;
- case PF_5R6G5B:
- return flat_5R6G5B_z_triangle;
- case PF_DITHER8:
- return flat_DITHER8_z_triangle;
- case PF_INDEX8:
- return flat_ci_z_triangle;
- default:
- return NULL;
- }
- }
- if ( ctx->_RasterMask==0 /* no depth test */
- && ctx->Light.ShadeModel==GL_SMOOTH
- && ctx->Polygon.StippleFlag==GL_FALSE) {
- switch (wmesa->pixelformat) {
- case PF_8A8B8G8R:
- return smooth_8A8B8G8R_triangle;
- case PF_8R8G8B:
- return smooth_8R8G8B_triangle;
- case PF_5R6G5B:
- return smooth_5R6G5B_triangle;
- case PF_DITHER8:
- return smooth_DITHER8_triangle;
- case PF_INDEX8:
- return smooth_ci_triangle;
- default:
- return NULL;
- }
- }
+ GET_CURRENT_CONTEXT(ctx);
+ WMesaContext pwc = wmesa_context(ctx);
+ WMesaFramebuffer pwfb = wmesa_lookup_framebuffer(hdc);
- 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;
- }
+ if (!pwfb) {
+ _mesa_problem(NULL, "wmesa: swapbuffers on unknown hdc");
+ return;
}
- return NULL;
+ /* If we're swapping the buffer associated with the current context
+ * we have to flush any pending rendering commands first.
+ */
+ if (pwc->hDC == hdc) {
+ _mesa_notifySwapBuffers(ctx);
+
+ BitBlt(pwfb->hDC, 0, 0, pwfb->Base.Width, pwfb->Base.Height,
+ pwfb->dib_hDC, 0, 0, SRCCOPY);
+ }
+ else {
+ /* XXX for now only allow swapping current window */
+ _mesa_problem(NULL, "wmesa: can't swap non-current window");
}
-#endif
}
-#endif /* unused */
-
-/*
- * 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 )
+void WMesaShareLists(WMesaContext ctx_to_share, WMesaContext ctx)
{
- (void) ctx; (void) x; (void) y; (void) width; (void) height;
- assert(0); /* I don't think that this is being used. */
-#if 0
- /* Save viewport */
- ctx->Viewport.X = x;
- ctx->Viewport.Width = width;
- ctx->Viewport.Y = y;
- ctx->Viewport.Height = height;
-
- /* compute scale and bias values */
-/* Pre-Keith 3.1 changes
- ctx->Viewport.Map.m[Sx] = (GLfloat) width / 2.0F;
- ctx->Viewport.Map.m[Tx] = ctx->Viewport.Sx + x;
- ctx->Viewport.Map.m[Sy] = (GLfloat) height / 2.0F;
- ctx->Viewport.Map.m[Ty] = ctx->Viewport.Sy + y;
-*/
- ctx->Viewport.WindowMap.m[MAT_SX] = (GLfloat) width / 2.0F;
- ctx->Viewport.WindowMap.m[MAT_TX] = ctx->Viewport.WindowMap.m[MAT_SX] + x;
- ctx->Viewport.WindowMap.m[MAT_SY] = (GLfloat) height / 2.0F;
- ctx->Viewport.WindowMap.m[MAT_TY] = ctx->Viewport.WindowMap.m[MAT_SY] + y;
-#endif
+ _mesa_share_state(&ctx->gl_ctx, &ctx_to_share->gl_ctx);
}
+
projects / mesa.git / blobdiff