From 04120f6cce0aa9e3604a64c740c25b99ca3999dc Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Fri, 14 Sep 2001 22:19:18 +0000 Subject: Win32 updates (Karl Schultz) --- src/mesa/drivers/windows/wgl.c | 1290 ++++++++++++++++++++-------------------- 1 file changed, 645 insertions(+), 645 deletions(-) (limited to 'src/mesa/drivers/windows/wgl.c') diff --git a/src/mesa/drivers/windows/wgl.c b/src/mesa/drivers/windows/wgl.c index c9b6f649ea..f7bf682016 100644 --- a/src/mesa/drivers/windows/wgl.c +++ b/src/mesa/drivers/windows/wgl.c @@ -1,645 +1,645 @@ -/* $Id: wgl.c,v 1.7 2001/07/27 14:03:55 brianp Exp $ */ - -/* -* This library is free software; you can redistribute it and/or -* modify it under the terms of the GNU Library General Public -* License as published by the Free Software Foundation; either -* version 2 of the License, or (at your option) any later version. -* -* This library is distributed in the hope that it will be useful, -* but WITHOUT ANY WARRANTY; without even the implied warranty of -* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -* Library General Public License for more details. -* -* You should have received a copy of the GNU Library General Public -* License along with this library; if not, write to the Free -* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -* -*/ - -/* -* File name : wgl.c -* WGL stuff. Added by Oleg Letsinsky, ajl@ultersys.ru -* Some things originated from the 3Dfx WGL functions -*/ - -#ifdef WIN32 - -#ifdef __cplusplus -extern "C" { -#endif - -#include -#define GL_GLEXT_PROTOTYPES -#include -#include -//#include - -#ifdef __cplusplus -} -#endif - -#include -#include -#include "wmesadef.h" -#include "GL/wmesa.h" -#include "mtypes.h" - -#define MAX_MESA_ATTRS 20 - -struct __extensions__ -{ - PROC proc; - char *name; -}; - -struct __pixelformat__ -{ - PIXELFORMATDESCRIPTOR pfd; - GLboolean doubleBuffered; -}; - -struct __extensions__ ext[] = { - -#ifdef GL_EXT_polygon_offset - { (PROC)glPolygonOffsetEXT, "glPolygonOffsetEXT" }, -#endif - { (PROC)glBlendEquationEXT, "glBlendEquationEXT" }, - { (PROC)glBlendColorEXT, "glBlendColorExt" }, - { (PROC)glVertexPointerEXT, "glVertexPointerEXT" }, - { (PROC)glNormalPointerEXT, "glNormalPointerEXT" }, - { (PROC)glColorPointerEXT, "glColorPointerEXT" }, - { (PROC)glIndexPointerEXT, "glIndexPointerEXT" }, - { (PROC)glTexCoordPointerEXT, "glTexCoordPointer" }, - { (PROC)glEdgeFlagPointerEXT, "glEdgeFlagPointerEXT" }, - { (PROC)glGetPointervEXT, "glGetPointervEXT" }, - { (PROC)glArrayElementEXT, "glArrayElementEXT" }, - { (PROC)glDrawArraysEXT, "glDrawArrayEXT" }, - { (PROC)glAreTexturesResidentEXT, "glAreTexturesResidentEXT" }, - { (PROC)glBindTextureEXT, "glBindTextureEXT" }, - { (PROC)glDeleteTexturesEXT, "glDeleteTexturesEXT" }, - { (PROC)glGenTexturesEXT, "glGenTexturesEXT" }, - { (PROC)glIsTextureEXT, "glIsTextureEXT" }, - { (PROC)glPrioritizeTexturesEXT, "glPrioritizeTexturesEXT" }, - { (PROC)glCopyTexSubImage3DEXT, "glCopyTexSubImage3DEXT" }, - { (PROC)glTexImage3DEXT, "glTexImage3DEXT" }, - { (PROC)glTexSubImage3DEXT, "glTexSubImage3DEXT" }, - { (PROC)glColorTableEXT, "glColorTableEXT" }, - { (PROC)glColorSubTableEXT, "glColorSubTableEXT" }, - { (PROC)glGetColorTableEXT, "glGetColorTableEXT" }, - { (PROC)glGetColorTableParameterfvEXT, "glGetColorTableParameterfvEXT" }, - { (PROC)glGetColorTableParameterivEXT, "glGetColorTableParameterivEXT" }, - { (PROC)glPointParameterfEXT, "glPointParameterfEXT" }, - { (PROC)glPointParameterfvEXT, "glPointParameterfvEXT" }, - { (PROC)glBlendFuncSeparateEXT, "glBlendFuncSeparateEXT" }, - { (PROC)glLockArraysEXT, "glLockArraysEXT" }, - { (PROC)glUnlockArraysEXT, "glUnlockArraysEXT" } -}; - -int qt_ext = sizeof(ext) / sizeof(ext[0]); - -struct __pixelformat__ pix[] = -{ - { { sizeof(PIXELFORMATDESCRIPTOR), 1, - PFD_DRAW_TO_WINDOW|PFD_SUPPORT_OPENGL|PFD_GENERIC_FORMAT|PFD_DOUBLEBUFFER|PFD_SWAP_COPY, - PFD_TYPE_RGBA, - 24, 8, 0, 8, 8, 8, 16, 8, 24, - 0, 0, 0, 0, 0, 16, 8, 0, 0, 0, 0, 0, 0 }, - GL_TRUE - }, - { { sizeof(PIXELFORMATDESCRIPTOR), 1, - PFD_DRAW_TO_WINDOW|PFD_SUPPORT_OPENGL|PFD_GENERIC_FORMAT, - PFD_TYPE_RGBA, - 24, 8, 0, 8, 8, 8, 16, 8, 24, - 0, 0, 0, 0, 0, 16, 8, 0, 0, 0, 0, 0, 0 }, - GL_FALSE - }, -}; - -int qt_pix = sizeof(pix) / sizeof(pix[0]); - -typedef struct { - WMesaContext ctx; - HDC hdc; -} MesaWglCtx; - -#define MESAWGL_CTX_MAX_COUNT 20 - -static MesaWglCtx wgl_ctx[MESAWGL_CTX_MAX_COUNT]; - -static unsigned ctx_count = 0; -static unsigned ctx_current = -1; -static unsigned curPFD = 0; - -GLAPI BOOL GLWINAPI wglCopyContext(HGLRC hglrcSrc,HGLRC hglrcDst,UINT mask) -{ - return(FALSE); -} - -GLAPI HGLRC GLWINAPI wglCreateContext(HDC hdc) -{ - HWND hWnd; - int i = 0; - if(!(hWnd = WindowFromDC(hdc))) - { - SetLastError(0); - return(NULL); - } - if (!ctx_count) - { - for(i=0;ibmiHeader.biSize = sizeof(BITMAPINFOHEADER); - dibInfo->bmiHeader.biPlanes = 1; - dibInfo->bmiHeader.biBitCount = 1; - dibInfo->bmiHeader.biCompression = BI_RGB; - - bitDevice = CreateCompatibleDC(fontDevice); - // HDC bitDevice = CreateDC("DISPLAY", NULL, NULL, NULL); - // VERIFY(bitDevice); - - // Swap fore and back colors so the bitmap has the right polarity - tempColor = GetBkColor(bitDevice); - SetBkColor(bitDevice, GetTextColor(bitDevice)); - SetTextColor(bitDevice, tempColor); - - // Place chars based on base line - VERIFY(SetTextAlign(bitDevice, TA_BASELINE) >= 0 ? 1 : 0); - - for(i = 0; i < numChars; i++) { - SIZE size; - char curChar; - int charWidth,charHeight,bmapWidth,bmapHeight,numBytes,res; - HBITMAP bitObject; - HGDIOBJ origBmap; - unsigned char *bmap; - - curChar = i + firstChar; - - // Find how high/wide this character is - VERIFY(GetTextExtentPoint32(bitDevice, &curChar, 1, &size)); - - // Create the output bitmap - charWidth = size.cx; - charHeight = size.cy; - bmapWidth = ((charWidth + 31) / 32) * 32; // Round up to the next multiple of 32 bits - bmapHeight = charHeight; - bitObject = CreateCompatibleBitmap(bitDevice, - bmapWidth, - bmapHeight); - //VERIFY(bitObject); - - // Assign the output bitmap to the device - origBmap = SelectObject(bitDevice, bitObject); - VERIFY(origBmap); - - VERIFY( PatBlt( bitDevice, 0, 0, bmapWidth, bmapHeight,BLACKNESS ) ); - - // Use our source font on the device - VERIFY(SelectObject(bitDevice, GetCurrentObject(fontDevice,OBJ_FONT))); - - // Draw the character - VERIFY(TextOut(bitDevice, 0, metric.tmAscent, &curChar, 1)); - - // Unselect our bmap object - VERIFY(SelectObject(bitDevice, origBmap)); - - // Convert the display dependant representation to a 1 bit deep DIB - numBytes = (bmapWidth * bmapHeight) / 8; - bmap = malloc(numBytes); - dibInfo->bmiHeader.biWidth = bmapWidth; - dibInfo->bmiHeader.biHeight = bmapHeight; - res = GetDIBits(bitDevice, bitObject, 0, bmapHeight, bmap, - dibInfo, - DIB_RGB_COLORS); - //VERIFY(res); - - // Create the GL object - glNewList(i + listBase, GL_COMPILE); - glBitmap(bmapWidth, bmapHeight, 0.0, metric.tmDescent, - charWidth, 0.0, - bmap); - glEndList(); - // CheckGL(); - - // Destroy the bmap object - DeleteObject(bitObject); - - // Deallocate the bitmap data - free(bmap); - } - - // Destroy the DC - VERIFY(DeleteDC(bitDevice)); - - free(dibInfo); - - return TRUE; -#undef VERIFY -} - -GLAPI BOOL GLWINAPI wglUseFontBitmapsA(HDC hdc, DWORD first, - DWORD count, DWORD listBase) -{ - int i; - GLuint font_list; - DWORD size; - GLYPHMETRICS gm; - HANDLE hBits; - LPSTR lpBits; - MAT2 mat; - int success = TRUE; - - if (first<0) - return FALSE; - if (count<0) - return FALSE; - if (listBase<0) - return FALSE; - - font_list = listBase; - - mat.eM11 = FixedFromDouble(1); - mat.eM12 = FixedFromDouble(0); - mat.eM21 = FixedFromDouble(0); - mat.eM22 = FixedFromDouble(-1); - - memset(&gm,0,sizeof(gm)); - - /* - ** If we can't get the glyph outline, it may be because this is a fixed - ** font. Try processing it that way. - */ - if( GetGlyphOutline(hdc, first, GGO_BITMAP, &gm, 0, NULL, &mat) - == GDI_ERROR ) - { - return wglUseFontBitmaps_FX( hdc, first, count, listBase ); - } - - /* - ** Otherwise process all desired characters. - */ - for (i = 0; i < count; i++) - { - DWORD err; - - glNewList( font_list+i, GL_COMPILE ); - - /* allocate space for the bitmap/outline */ - size = GetGlyphOutline(hdc, first + i, GGO_BITMAP, &gm, 0, NULL, &mat); - if (size == GDI_ERROR) - { - glEndList( ); - err = GetLastError(); - success = FALSE; - continue; - } - - hBits = GlobalAlloc(GHND, size+1); - lpBits = GlobalLock(hBits); - - err = - GetGlyphOutline(hdc, /* handle to device context */ - first + i, /* character to query */ - GGO_BITMAP, /* format of data to return */ - &gm, /* pointer to structure for metrics*/ - size, /* size of buffer for data */ - lpBits, /* pointer to buffer for data */ - &mat /* pointer to transformation */ - /* matrix structure */ - ); - - if (err == GDI_ERROR) - { - GlobalUnlock(hBits); - GlobalFree(hBits); - - glEndList( ); - err = GetLastError(); - success = FALSE; - continue; - } - - glBitmap(gm.gmBlackBoxX,gm.gmBlackBoxY, - -gm.gmptGlyphOrigin.x, - gm.gmptGlyphOrigin.y, - gm.gmCellIncX,gm.gmCellIncY, - (const GLubyte * )lpBits); - - GlobalUnlock(hBits); - GlobalFree(hBits); - - glEndList( ); - } - - return success; -} - - -GLAPI BOOL GLWINAPI wglUseFontBitmapsW(HDC hdc,DWORD first,DWORD count,DWORD listBase) -{ - return FALSE; -} - -GLAPI BOOL GLWINAPI wglUseFontOutlinesA(HDC hdc,DWORD first,DWORD count, - DWORD listBase,FLOAT deviation, - FLOAT extrusion,int format, - LPGLYPHMETRICSFLOAT lpgmf) -{ - SetLastError(0); - return(FALSE); -} - -GLAPI BOOL GLWINAPI wglUseFontOutlinesW(HDC hdc,DWORD first,DWORD count, - DWORD listBase,FLOAT deviation, - FLOAT extrusion,int format, - LPGLYPHMETRICSFLOAT lpgmf) -{ - SetLastError(0); - return(FALSE); -} - -GLAPI BOOL GLWINAPI wglDescribeLayerPlane(HDC hdc,int iPixelFormat, - int iLayerPlane,UINT nBytes, - LPLAYERPLANEDESCRIPTOR plpd) -{ - SetLastError(0); - return(FALSE); -} - -GLAPI int GLWINAPI wglSetLayerPaletteEntries(HDC hdc,int iLayerPlane, - int iStart,int cEntries, - CONST COLORREF *pcr) -{ - SetLastError(0); - return(0); -} - -GLAPI int GLWINAPI wglGetLayerPaletteEntries(HDC hdc,int iLayerPlane, - int iStart,int cEntries, - COLORREF *pcr) -{ - SetLastError(0); - return(0); -} - -GLAPI BOOL GLWINAPI wglRealizeLayerPalette(HDC hdc,int iLayerPlane,BOOL bRealize) -{ - SetLastError(0); - return(FALSE); -} - -GLAPI BOOL GLWINAPI wglSwapLayerBuffers(HDC hdc,UINT fuPlanes) -{ - if( !hdc ) - { - WMesaSwapBuffers(); - return(TRUE); - } - SetLastError(0); - return(FALSE); -} - -GLAPI int GLWINAPI wglChoosePixelFormat(HDC hdc, - CONST PIXELFORMATDESCRIPTOR *ppfd) -{ - int i,best = -1,bestdelta = 0x7FFFFFFF,delta,qt_valid_pix; - - qt_valid_pix = qt_pix; - if(ppfd->nSize != sizeof(PIXELFORMATDESCRIPTOR) || ppfd->nVersion != 1) - { - SetLastError(0); - return(0); - } - for(i = 0;i < qt_valid_pix;i++) - { - delta = 0; - if( - (ppfd->dwFlags & PFD_DRAW_TO_WINDOW) && - !(pix[i].pfd.dwFlags & PFD_DRAW_TO_WINDOW)) - continue; - if( - (ppfd->dwFlags & PFD_DRAW_TO_BITMAP) && - !(pix[i].pfd.dwFlags & PFD_DRAW_TO_BITMAP)) - continue; - if( - (ppfd->dwFlags & PFD_SUPPORT_GDI) && - !(pix[i].pfd.dwFlags & PFD_SUPPORT_GDI)) - continue; - if( - (ppfd->dwFlags & PFD_SUPPORT_OPENGL) && - !(pix[i].pfd.dwFlags & PFD_SUPPORT_OPENGL)) - continue; - if( - !(ppfd->dwFlags & PFD_DOUBLEBUFFER_DONTCARE) && - ((ppfd->dwFlags & PFD_DOUBLEBUFFER) != (pix[i].pfd.dwFlags & PFD_DOUBLEBUFFER))) - continue; - if( - !(ppfd->dwFlags & PFD_STEREO_DONTCARE) && - ((ppfd->dwFlags & PFD_STEREO) != (pix[i].pfd.dwFlags & PFD_STEREO))) - continue; - if(ppfd->iPixelType != pix[i].pfd.iPixelType) - delta++; - if(delta < bestdelta) - { - best = i + 1; - bestdelta = delta; - if(bestdelta == 0) - break; - } - } - if(best == -1) - { - SetLastError(0); - return(0); - } - return(best); -} - -GLAPI int GLWINAPI wglDescribePixelFormat(HDC hdc,int iPixelFormat,UINT nBytes, - LPPIXELFORMATDESCRIPTOR ppfd) -{ - int qt_valid_pix; - - qt_valid_pix = qt_pix; - if(iPixelFormat < 1 || iPixelFormat > qt_valid_pix || nBytes != sizeof(PIXELFORMATDESCRIPTOR)) - { - SetLastError(0); - return(0); - } - *ppfd = pix[iPixelFormat - 1].pfd; - return(qt_valid_pix); -} - -/* -* GetProcAddress - return the address of an appropriate extension -*/ -GLAPI PROC GLWINAPI wglGetProcAddress(LPCSTR lpszProc) -{ - int i; - for(i = 0;i < qt_ext;i++) - if(!strcmp(lpszProc,ext[i].name)) - return(ext[i].proc); - - SetLastError(0); - return(NULL); -} - -GLAPI int GLWINAPI wglGetPixelFormat(HDC hdc) -{ - if(curPFD == 0) - { - SetLastError(0); - return(0); - } - return(curPFD); -} - -GLAPI BOOL GLWINAPI wglSetPixelFormat(HDC hdc,int iPixelFormat, - PIXELFORMATDESCRIPTOR *ppfd) -{ - int qt_valid_pix; - - qt_valid_pix = qt_pix; - if(iPixelFormat < 1 || iPixelFormat > qt_valid_pix || ppfd->nSize != sizeof(PIXELFORMATDESCRIPTOR)) - { - SetLastError(0); - return(FALSE); - } - curPFD = iPixelFormat; - return(TRUE); -} - -GLAPI BOOL GLWINAPI wglSwapBuffers(HDC hdc) -{ - if (ctx_current < 0) - return FALSE; - - if(wgl_ctx[ctx_current].ctx == NULL) { - SetLastError(0); - return(FALSE); - } - WMesaSwapBuffers(); - return(TRUE); -} - -#endif /* WIN32 */ +/* $Id: wgl.c,v 1.8 2001/09/14 22:19:19 brianp Exp $ */ + +/* +* This library is free software; you can redistribute it and/or +* modify it under the terms of the GNU Library General Public +* License as published by the Free Software Foundation; either +* version 2 of the License, or (at your option) any later version. +* +* This library is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +* Library General Public License for more details. +* +* You should have received a copy of the GNU Library General Public +* License along with this library; if not, write to the Free +* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +* +*/ + +/* +* File name : wgl.c +* WGL stuff. Added by Oleg Letsinsky, ajl@ultersys.ru +* Some things originated from the 3Dfx WGL functions +*/ + +#ifdef WIN32 + +#ifdef __cplusplus +extern "C" { +#endif + +#include +#define GL_GLEXT_PROTOTYPES +#include +#include +//#include + +#ifdef __cplusplus +} +#endif + +#include +#include +#include "wmesadef.h" +#include "GL/wmesa.h" +#include "mtypes.h" + +#define MAX_MESA_ATTRS 20 + +struct __extensions__ +{ + PROC proc; + char *name; +}; + +struct __pixelformat__ +{ + PIXELFORMATDESCRIPTOR pfd; + GLboolean doubleBuffered; +}; + +struct __extensions__ ext[] = { + +#ifdef GL_EXT_polygon_offset + { (PROC)glPolygonOffsetEXT, "glPolygonOffsetEXT" }, +#endif + { (PROC)glBlendEquationEXT, "glBlendEquationEXT" }, + { (PROC)glBlendColorEXT, "glBlendColorExt" }, + { (PROC)glVertexPointerEXT, "glVertexPointerEXT" }, + { (PROC)glNormalPointerEXT, "glNormalPointerEXT" }, + { (PROC)glColorPointerEXT, "glColorPointerEXT" }, + { (PROC)glIndexPointerEXT, "glIndexPointerEXT" }, + { (PROC)glTexCoordPointerEXT, "glTexCoordPointer" }, + { (PROC)glEdgeFlagPointerEXT, "glEdgeFlagPointerEXT" }, + { (PROC)glGetPointervEXT, "glGetPointervEXT" }, + { (PROC)glArrayElementEXT, "glArrayElementEXT" }, + { (PROC)glDrawArraysEXT, "glDrawArrayEXT" }, + { (PROC)glAreTexturesResidentEXT, "glAreTexturesResidentEXT" }, + { (PROC)glBindTextureEXT, "glBindTextureEXT" }, + { (PROC)glDeleteTexturesEXT, "glDeleteTexturesEXT" }, + { (PROC)glGenTexturesEXT, "glGenTexturesEXT" }, + { (PROC)glIsTextureEXT, "glIsTextureEXT" }, + { (PROC)glPrioritizeTexturesEXT, "glPrioritizeTexturesEXT" }, + { (PROC)glCopyTexSubImage3DEXT, "glCopyTexSubImage3DEXT" }, + { (PROC)glTexImage3DEXT, "glTexImage3DEXT" }, + { (PROC)glTexSubImage3DEXT, "glTexSubImage3DEXT" }, + { (PROC)glColorTableEXT, "glColorTableEXT" }, + { (PROC)glColorSubTableEXT, "glColorSubTableEXT" }, + { (PROC)glGetColorTableEXT, "glGetColorTableEXT" }, + { (PROC)glGetColorTableParameterfvEXT, "glGetColorTableParameterfvEXT" }, + { (PROC)glGetColorTableParameterivEXT, "glGetColorTableParameterivEXT" }, + { (PROC)glPointParameterfEXT, "glPointParameterfEXT" }, + { (PROC)glPointParameterfvEXT, "glPointParameterfvEXT" }, + { (PROC)glBlendFuncSeparateEXT, "glBlendFuncSeparateEXT" }, + { (PROC)glLockArraysEXT, "glLockArraysEXT" }, + { (PROC)glUnlockArraysEXT, "glUnlockArraysEXT" } +}; + +int qt_ext = sizeof(ext) / sizeof(ext[0]); + +struct __pixelformat__ pix[] = +{ + { { sizeof(PIXELFORMATDESCRIPTOR), 1, + PFD_DRAW_TO_WINDOW|PFD_SUPPORT_OPENGL|PFD_GENERIC_FORMAT|PFD_DOUBLEBUFFER|PFD_SWAP_COPY, + PFD_TYPE_RGBA, + 24, 8, 0, 8, 8, 8, 16, 8, 24, + 0, 0, 0, 0, 0, 16, 8, 0, 0, 0, 0, 0, 0 }, + GL_TRUE + }, + { { sizeof(PIXELFORMATDESCRIPTOR), 1, + PFD_DRAW_TO_WINDOW|PFD_SUPPORT_OPENGL|PFD_GENERIC_FORMAT, + PFD_TYPE_RGBA, + 24, 8, 0, 8, 8, 8, 16, 8, 24, + 0, 0, 0, 0, 0, 16, 8, 0, 0, 0, 0, 0, 0 }, + GL_FALSE + }, +}; + +int qt_pix = sizeof(pix) / sizeof(pix[0]); + +typedef struct { + WMesaContext ctx; + HDC hdc; +} MesaWglCtx; + +#define MESAWGL_CTX_MAX_COUNT 20 + +static MesaWglCtx wgl_ctx[MESAWGL_CTX_MAX_COUNT]; + +static unsigned ctx_count = 0; +static unsigned ctx_current = -1; +static unsigned curPFD = 0; + +WGLAPI BOOL GLAPIENTRY wglCopyContext(HGLRC hglrcSrc,HGLRC hglrcDst,UINT mask) +{ + return(FALSE); +} + +WGLAPI HGLRC GLAPIENTRY wglCreateContext(HDC hdc) +{ + HWND hWnd; + int i = 0; + if(!(hWnd = WindowFromDC(hdc))) + { + SetLastError(0); + return(NULL); + } + if (!ctx_count) + { + for(i=0;ibmiHeader.biSize = sizeof(BITMAPINFOHEADER); + dibInfo->bmiHeader.biPlanes = 1; + dibInfo->bmiHeader.biBitCount = 1; + dibInfo->bmiHeader.biCompression = BI_RGB; + + bitDevice = CreateCompatibleDC(fontDevice); + // HDC bitDevice = CreateDC("DISPLAY", NULL, NULL, NULL); + // VERIFY(bitDevice); + + // Swap fore and back colors so the bitmap has the right polarity + tempColor = GetBkColor(bitDevice); + SetBkColor(bitDevice, GetTextColor(bitDevice)); + SetTextColor(bitDevice, tempColor); + + // Place chars based on base line + VERIFY(SetTextAlign(bitDevice, TA_BASELINE) >= 0 ? 1 : 0); + + for(i = 0; i < numChars; i++) { + SIZE size; + char curChar; + int charWidth,charHeight,bmapWidth,bmapHeight,numBytes,res; + HBITMAP bitObject; + HGDIOBJ origBmap; + unsigned char *bmap; + + curChar = i + firstChar; + + // Find how high/wide this character is + VERIFY(GetTextExtentPoint32(bitDevice, &curChar, 1, &size)); + + // Create the output bitmap + charWidth = size.cx; + charHeight = size.cy; + bmapWidth = ((charWidth + 31) / 32) * 32; // Round up to the next multiple of 32 bits + bmapHeight = charHeight; + bitObject = CreateCompatibleBitmap(bitDevice, + bmapWidth, + bmapHeight); + //VERIFY(bitObject); + + // Assign the output bitmap to the device + origBmap = SelectObject(bitDevice, bitObject); + VERIFY(origBmap); + + VERIFY( PatBlt( bitDevice, 0, 0, bmapWidth, bmapHeight,BLACKNESS ) ); + + // Use our source font on the device + VERIFY(SelectObject(bitDevice, GetCurrentObject(fontDevice,OBJ_FONT))); + + // Draw the character + VERIFY(TextOut(bitDevice, 0, metric.tmAscent, &curChar, 1)); + + // Unselect our bmap object + VERIFY(SelectObject(bitDevice, origBmap)); + + // Convert the display dependant representation to a 1 bit deep DIB + numBytes = (bmapWidth * bmapHeight) / 8; + bmap = malloc(numBytes); + dibInfo->bmiHeader.biWidth = bmapWidth; + dibInfo->bmiHeader.biHeight = bmapHeight; + res = GetDIBits(bitDevice, bitObject, 0, bmapHeight, bmap, + dibInfo, + DIB_RGB_COLORS); + //VERIFY(res); + + // Create the GL object + glNewList(i + listBase, GL_COMPILE); + glBitmap(bmapWidth, bmapHeight, 0.0, metric.tmDescent, + charWidth, 0.0, + bmap); + glEndList(); + // CheckGL(); + + // Destroy the bmap object + DeleteObject(bitObject); + + // Deallocate the bitmap data + free(bmap); + } + + // Destroy the DC + VERIFY(DeleteDC(bitDevice)); + + free(dibInfo); + + return TRUE; +#undef VERIFY +} + +WGLAPI BOOL GLAPIENTRY wglUseFontBitmapsA(HDC hdc, DWORD first, + DWORD count, DWORD listBase) +{ + int i; + GLuint font_list; + DWORD size; + GLYPHMETRICS gm; + HANDLE hBits; + LPSTR lpBits; + MAT2 mat; + int success = TRUE; + + if (first<0) + return FALSE; + if (count<0) + return FALSE; + if (listBase<0) + return FALSE; + + font_list = listBase; + + mat.eM11 = FixedFromDouble(1); + mat.eM12 = FixedFromDouble(0); + mat.eM21 = FixedFromDouble(0); + mat.eM22 = FixedFromDouble(-1); + + memset(&gm,0,sizeof(gm)); + + /* + ** If we can't get the glyph outline, it may be because this is a fixed + ** font. Try processing it that way. + */ + if( GetGlyphOutline(hdc, first, GGO_BITMAP, &gm, 0, NULL, &mat) + == GDI_ERROR ) + { + return wglUseFontBitmaps_FX( hdc, first, count, listBase ); + } + + /* + ** Otherwise process all desired characters. + */ + for (i = 0; i < count; i++) + { + DWORD err; + + glNewList( font_list+i, GL_COMPILE ); + + /* allocate space for the bitmap/outline */ + size = GetGlyphOutline(hdc, first + i, GGO_BITMAP, &gm, 0, NULL, &mat); + if (size == GDI_ERROR) + { + glEndList( ); + err = GetLastError(); + success = FALSE; + continue; + } + + hBits = GlobalAlloc(GHND, size+1); + lpBits = GlobalLock(hBits); + + err = + GetGlyphOutline(hdc, /* handle to device context */ + first + i, /* character to query */ + GGO_BITMAP, /* format of data to return */ + &gm, /* pointer to structure for metrics*/ + size, /* size of buffer for data */ + lpBits, /* pointer to buffer for data */ + &mat /* pointer to transformation */ + /* matrix structure */ + ); + + if (err == GDI_ERROR) + { + GlobalUnlock(hBits); + GlobalFree(hBits); + + glEndList( ); + err = GetLastError(); + success = FALSE; + continue; + } + + glBitmap(gm.gmBlackBoxX,gm.gmBlackBoxY, + -gm.gmptGlyphOrigin.x, + gm.gmptGlyphOrigin.y, + gm.gmCellIncX,gm.gmCellIncY, + (const GLubyte * )lpBits); + + GlobalUnlock(hBits); + GlobalFree(hBits); + + glEndList( ); + } + + return success; +} + + +WGLAPI BOOL GLAPIENTRY wglUseFontBitmapsW(HDC hdc,DWORD first,DWORD count,DWORD listBase) +{ + return FALSE; +} + +WGLAPI BOOL GLAPIENTRY wglUseFontOutlinesA(HDC hdc,DWORD first,DWORD count, + DWORD listBase,FLOAT deviation, + FLOAT extrusion,int format, + LPGLYPHMETRICSFLOAT lpgmf) +{ + SetLastError(0); + return(FALSE); +} + +WGLAPI BOOL GLAPIENTRY wglUseFontOutlinesW(HDC hdc,DWORD first,DWORD count, + DWORD listBase,FLOAT deviation, + FLOAT extrusion,int format, + LPGLYPHMETRICSFLOAT lpgmf) +{ + SetLastError(0); + return(FALSE); +} + +WGLAPI BOOL GLAPIENTRY wglDescribeLayerPlane(HDC hdc,int iPixelFormat, + int iLayerPlane,UINT nBytes, + LPLAYERPLANEDESCRIPTOR plpd) +{ + SetLastError(0); + return(FALSE); +} + +WGLAPI int GLAPIENTRY wglSetLayerPaletteEntries(HDC hdc,int iLayerPlane, + int iStart,int cEntries, + CONST COLORREF *pcr) +{ + SetLastError(0); + return(0); +} + +WGLAPI int GLAPIENTRY wglGetLayerPaletteEntries(HDC hdc,int iLayerPlane, + int iStart,int cEntries, + COLORREF *pcr) +{ + SetLastError(0); + return(0); +} + +WGLAPI BOOL GLAPIENTRY wglRealizeLayerPalette(HDC hdc,int iLayerPlane,BOOL bRealize) +{ + SetLastError(0); + return(FALSE); +} + +WGLAPI BOOL GLAPIENTRY wglSwapLayerBuffers(HDC hdc,UINT fuPlanes) +{ + if( !hdc ) + { + WMesaSwapBuffers(); + return(TRUE); + } + SetLastError(0); + return(FALSE); +} + +WGLAPI int GLAPIENTRY wglChoosePixelFormat(HDC hdc, + CONST PIXELFORMATDESCRIPTOR *ppfd) +{ + int i,best = -1,bestdelta = 0x7FFFFFFF,delta,qt_valid_pix; + + qt_valid_pix = qt_pix; + if(ppfd->nSize != sizeof(PIXELFORMATDESCRIPTOR) || ppfd->nVersion != 1) + { + SetLastError(0); + return(0); + } + for(i = 0;i < qt_valid_pix;i++) + { + delta = 0; + if( + (ppfd->dwFlags & PFD_DRAW_TO_WINDOW) && + !(pix[i].pfd.dwFlags & PFD_DRAW_TO_WINDOW)) + continue; + if( + (ppfd->dwFlags & PFD_DRAW_TO_BITMAP) && + !(pix[i].pfd.dwFlags & PFD_DRAW_TO_BITMAP)) + continue; + if( + (ppfd->dwFlags & PFD_SUPPORT_GDI) && + !(pix[i].pfd.dwFlags & PFD_SUPPORT_GDI)) + continue; + if( + (ppfd->dwFlags & PFD_SUPPORT_OPENGL) && + !(pix[i].pfd.dwFlags & PFD_SUPPORT_OPENGL)) + continue; + if( + !(ppfd->dwFlags & PFD_DOUBLEBUFFER_DONTCARE) && + ((ppfd->dwFlags & PFD_DOUBLEBUFFER) != (pix[i].pfd.dwFlags & PFD_DOUBLEBUFFER))) + continue; + if( + !(ppfd->dwFlags & PFD_STEREO_DONTCARE) && + ((ppfd->dwFlags & PFD_STEREO) != (pix[i].pfd.dwFlags & PFD_STEREO))) + continue; + if(ppfd->iPixelType != pix[i].pfd.iPixelType) + delta++; + if(delta < bestdelta) + { + best = i + 1; + bestdelta = delta; + if(bestdelta == 0) + break; + } + } + if(best == -1) + { + SetLastError(0); + return(0); + } + return(best); +} + +WGLAPI int GLAPIENTRY wglDescribePixelFormat(HDC hdc,int iPixelFormat,UINT nBytes, + LPPIXELFORMATDESCRIPTOR ppfd) +{ + int qt_valid_pix; + + qt_valid_pix = qt_pix; + if(iPixelFormat < 1 || iPixelFormat > qt_valid_pix || nBytes != sizeof(PIXELFORMATDESCRIPTOR)) + { + SetLastError(0); + return(0); + } + *ppfd = pix[iPixelFormat - 1].pfd; + return(qt_valid_pix); +} + +/* +* GetProcAddress - return the address of an appropriate extension +*/ +WGLAPI PROC GLAPIENTRY wglGetProcAddress(LPCSTR lpszProc) +{ + int i; + for(i = 0;i < qt_ext;i++) + if(!strcmp(lpszProc,ext[i].name)) + return(ext[i].proc); + + SetLastError(0); + return(NULL); +} + +WGLAPI int GLAPIENTRY wglGetPixelFormat(HDC hdc) +{ + if(curPFD == 0) + { + SetLastError(0); + return(0); + } + return(curPFD); +} + +WGLAPI BOOL GLAPIENTRY wglSetPixelFormat(HDC hdc,int iPixelFormat, + PIXELFORMATDESCRIPTOR *ppfd) +{ + int qt_valid_pix; + + qt_valid_pix = qt_pix; + if(iPixelFormat < 1 || iPixelFormat > qt_valid_pix || ppfd->nSize != sizeof(PIXELFORMATDESCRIPTOR)) + { + SetLastError(0); + return(FALSE); + } + curPFD = iPixelFormat; + return(TRUE); +} + +WGLAPI BOOL GLAPIENTRY wglSwapBuffers(HDC hdc) +{ + if (ctx_current < 0) + return FALSE; + + if(wgl_ctx[ctx_current].ctx == NULL) { + SetLastError(0); + return(FALSE); + } + WMesaSwapBuffers(); + return(TRUE); +} + +#endif /* WIN32 */ -- cgit v1.2.3