diff options
Diffstat (limited to 'src/gallium/winsys/gdi/wgl.c')
| -rw-r--r-- | src/gallium/winsys/gdi/wgl.c | 701 |
1 files changed, 0 insertions, 701 deletions
diff --git a/src/gallium/winsys/gdi/wgl.c b/src/gallium/winsys/gdi/wgl.c deleted file mode 100644 index 3ce470480d4..00000000000 --- a/src/gallium/winsys/gdi/wgl.c +++ /dev/null @@ -1,701 +0,0 @@ -/* - * 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, [email protected] - * Some things originated from the 3Dfx WGL functions - */ - -/* - * This file contains the implementation of the wgl* functions for - * Mesa on Windows. Since these functions are provided by Windows in - * GDI/OpenGL, we must supply our versions that work with Mesa here. - */ - - -/* We're essentially building part of GDI here, so define this so that - * we get the right export linkage. */ -#ifdef __MINGW32__ - -#include <stdarg.h> -#include <windef.h> -#include <wincon.h> -#include <winbase.h> - -# if defined(BUILD_GL32) -# define WINGDIAPI __declspec(dllexport) -# else -# define __W32API_USE_DLLIMPORT__ -# endif - -#include <wingdi.h> -#include "GL/mesa_wgl.h" -#include <stdlib.h> - -#else - -#define _GDI32_ -#include <windows.h> - -#endif - -#include "glapi.h" -#include "GL/wmesa.h" /* protos for wmesa* functions */ - -/* - * Pixel Format Descriptors - */ - -/* Extend the PFD to include DB flag */ -struct __pixelformat__ -{ - PIXELFORMATDESCRIPTOR pfd; - GLboolean doubleBuffered; -}; - -/* These are the PFD's supported by this driver. */ -struct __pixelformat__ pfd[] = -{ - /* Double Buffer, alpha */ - { - { - 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 - }, - /* Single Buffer, alpha */ - { - { - 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 - }, - /* Double Buffer, no alpha */ - { - { - 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, - 0, 0, - 0, 0, 0, 0, 0, - 16, 8, - 0, 0, 0, - 0, 0, 0 - }, - GL_TRUE - }, - /* Single Buffer, no alpha */ - { - { - sizeof(PIXELFORMATDESCRIPTOR), 1, - PFD_DRAW_TO_WINDOW|PFD_SUPPORT_OPENGL| - PFD_GENERIC_FORMAT, - PFD_TYPE_RGBA, - 24, - 8, 0, - 8, 8, - 8, 16, - 0, 0, - 0, 0, 0, 0, 0, - 16, 8, - 0, 0, 0, - 0, 0, 0 - }, - GL_FALSE - }, -}; - -int npfd = sizeof(pfd) / sizeof(pfd[0]); - - -/* - * Contexts - */ - -typedef struct { - WMesaContext ctx; -} MesaWglCtx; - -#define MESAWGL_CTX_MAX_COUNT 20 - -static MesaWglCtx wgl_ctx[MESAWGL_CTX_MAX_COUNT]; - -static unsigned ctx_count = 0; -static int ctx_current = -1; -static unsigned curPFD = 0; - -static HDC CurrentHDC = 0; - - -WINGDIAPI HGLRC GLAPIENTRY wglCreateContext(HDC hdc) -{ - int i = 0; - if (!ctx_count) { - for(i=0;i<MESAWGL_CTX_MAX_COUNT;i++) { - wgl_ctx[i].ctx = NULL; - } - } - for( i = 0; i < MESAWGL_CTX_MAX_COUNT; i++ ) { - if ( wgl_ctx[i].ctx == NULL ) { - wgl_ctx[i].ctx = - WMesaCreateContext(hdc, NULL, (GLboolean)GL_TRUE, - (GLboolean) (pfd[curPFD-1].doubleBuffered ? - GL_TRUE : GL_FALSE), - (GLboolean)(pfd[curPFD-1].pfd.cAlphaBits ? - GL_TRUE : GL_FALSE) ); - if (wgl_ctx[i].ctx == NULL) - break; - ctx_count++; - return ((HGLRC)wgl_ctx[i].ctx); - } - } - SetLastError(0); - return(NULL); -} - -WINGDIAPI BOOL GLAPIENTRY wglDeleteContext(HGLRC hglrc) -{ - int i; - for ( i = 0; i < MESAWGL_CTX_MAX_COUNT; i++ ) { - if ( wgl_ctx[i].ctx == (WMesaContext) hglrc ){ - WMesaMakeCurrent((WMesaContext) hglrc, NULL); - WMesaDestroyContext(wgl_ctx[i].ctx); - wgl_ctx[i].ctx = NULL; - ctx_count--; - return(TRUE); - } - } - SetLastError(0); - return(FALSE); -} - -WINGDIAPI HGLRC GLAPIENTRY wglGetCurrentContext(VOID) -{ - if (ctx_current < 0) - return 0; - else - return (HGLRC) wgl_ctx[ctx_current].ctx; -} - -WINGDIAPI HDC GLAPIENTRY wglGetCurrentDC(VOID) -{ - return CurrentHDC; -} - -WINGDIAPI BOOL GLAPIENTRY wglMakeCurrent(HDC hdc, HGLRC hglrc) -{ - int i; - - CurrentHDC = hdc; - - if (!hdc || !hglrc) { - WMesaMakeCurrent(NULL, NULL); - ctx_current = -1; - return TRUE; - } - - for ( i = 0; i < MESAWGL_CTX_MAX_COUNT; i++ ) { - if ( wgl_ctx[i].ctx == (WMesaContext) hglrc ) { - WMesaMakeCurrent( (WMesaContext) hglrc, hdc ); - ctx_current = i; - return TRUE; - } - } - return FALSE; -} - - -WINGDIAPI int GLAPIENTRY wglChoosePixelFormat(HDC hdc, - CONST - PIXELFORMATDESCRIPTOR *ppfd) -{ - int i,best = -1,bestdelta = 0x7FFFFFFF,delta; - (void) hdc; - - if(ppfd->nSize != sizeof(PIXELFORMATDESCRIPTOR) || ppfd->nVersion != 1) - { - SetLastError(0); - return(0); - } - for(i = 0; i < npfd;i++) - { - delta = 0; - if( - (ppfd->dwFlags & PFD_DRAW_TO_WINDOW) && - !(pfd[i].pfd.dwFlags & PFD_DRAW_TO_WINDOW)) - continue; - if( - (ppfd->dwFlags & PFD_DRAW_TO_BITMAP) && - !(pfd[i].pfd.dwFlags & PFD_DRAW_TO_BITMAP)) - continue; - if( - (ppfd->dwFlags & PFD_SUPPORT_GDI) && - !(pfd[i].pfd.dwFlags & PFD_SUPPORT_GDI)) - continue; - if( - (ppfd->dwFlags & PFD_SUPPORT_OPENGL) && - !(pfd[i].pfd.dwFlags & PFD_SUPPORT_OPENGL)) - continue; - if( - !(ppfd->dwFlags & PFD_DOUBLEBUFFER_DONTCARE) && - ((ppfd->dwFlags & PFD_DOUBLEBUFFER) != - (pfd[i].pfd.dwFlags & PFD_DOUBLEBUFFER))) - continue; - if( - !(ppfd->dwFlags & PFD_STEREO_DONTCARE) && - ((ppfd->dwFlags & PFD_STEREO) != - (pfd[i].pfd.dwFlags & PFD_STEREO))) - continue; - if(ppfd->iPixelType != pfd[i].pfd.iPixelType) - delta++; - if(ppfd->cAlphaBits != pfd[i].pfd.cAlphaBits) - delta++; - if(delta < bestdelta) - { - best = i + 1; - bestdelta = delta; - if(bestdelta == 0) - break; - } - } - if(best == -1) - { - SetLastError(0); - return(0); - } - return(best); -} - -WINGDIAPI int GLAPIENTRY wglDescribePixelFormat(HDC hdc, - int iPixelFormat, - UINT nBytes, - LPPIXELFORMATDESCRIPTOR ppfd) -{ - (void) hdc; - - if(ppfd == NULL) - return(npfd); - if(iPixelFormat < 1 || iPixelFormat > npfd || - nBytes != sizeof(PIXELFORMATDESCRIPTOR)) - { - SetLastError(0); - return(0); - } - *ppfd = pfd[iPixelFormat - 1].pfd; - return(npfd); -} - -WINGDIAPI PROC GLAPIENTRY wglGetProcAddress(LPCSTR lpszProc) -{ - PROC p = (PROC) _glapi_get_proc_address((const char *) lpszProc); - if (p) - return p; - - SetLastError(0); - return(NULL); -} - -WINGDIAPI int GLAPIENTRY wglGetPixelFormat(HDC hdc) -{ - (void) hdc; - if(curPFD == 0) { - SetLastError(0); - return(0); - } - return(curPFD); -} - -WINGDIAPI BOOL GLAPIENTRY wglSetPixelFormat(HDC hdc,int iPixelFormat, - const PIXELFORMATDESCRIPTOR *ppfd) -{ - (void) hdc; - - if(iPixelFormat < 1 || iPixelFormat > npfd || - ppfd->nSize != sizeof(PIXELFORMATDESCRIPTOR)) { - SetLastError(0); - return(FALSE); - } - curPFD = iPixelFormat; - return(TRUE); -} - -WINGDIAPI BOOL GLAPIENTRY wglSwapBuffers(HDC hdc) -{ - WMesaSwapBuffers(hdc); - return TRUE; -} - -static FIXED FixedFromDouble(double d) -{ - long l = (long) (d * 65536L); - return *(FIXED *) (void *) &l; -} - - -/* -** This is cribbed from FX/fxwgl.c, and seems to implement support -** for bitmap fonts where the wglUseFontBitmapsA() code implements -** support for outline fonts. In combination they hopefully give -** fairly generic support for fonts. -*/ -static BOOL wglUseFontBitmaps_FX(HDC fontDevice, DWORD firstChar, - DWORD numChars, DWORD listBase) -{ -#define VERIFY(a) a - - TEXTMETRIC metric; - BITMAPINFO *dibInfo; - HDC bitDevice; - COLORREF tempColor; - int i; - - VERIFY(GetTextMetrics(fontDevice, &metric)); - - dibInfo = (BITMAPINFO *) calloc(sizeof(BITMAPINFO) + sizeof(RGBQUAD), 1); - dibInfo->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); - dibInfo->bmiHeader.biPlanes = 1; - dibInfo->bmiHeader.biBitCount = 1; - dibInfo->bmiHeader.biCompression = BI_RGB; - - bitDevice = CreateCompatibleDC(fontDevice); - - /* 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) != GDI_ERROR ? 1 : 0); - - for(i = 0; i < (int)numChars; i++) { - SIZE size; - char curChar; - int charWidth,charHeight,bmapWidth,bmapHeight,numBytes,res; - HBITMAP bitObject; - HGDIOBJ origBmap; - unsigned char *bmap; - - curChar = (char)(i + firstChar); - - /* Find how high/wide this character is */ - VERIFY(GetTextExtentPoint32(bitDevice, (LPCWSTR)&curChar, 1, &size)); - - /* Create the output bitmap */ - charWidth = size.cx; - charHeight = size.cy; - /* Round up to the next multiple of 32 bits */ - bmapWidth = ((charWidth + 31) / 32) * 32; - bmapHeight = charHeight; - bitObject = CreateCompatibleBitmap(bitDevice, - bmapWidth, - bmapHeight); - /* VERIFY(bitObject); */ - - /* Assign the output bitmap to the device */ - origBmap = SelectObject(bitDevice, bitObject); - (void) 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, (LPCWSTR)&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 = (unsigned char *)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, (GLfloat)metric.tmDescent, - (GLfloat)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 -} - -WINGDIAPI 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 (count == 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 < (int)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, /* ptr 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, - (GLfloat)-gm.gmptGlyphOrigin.x, - (GLfloat)gm.gmptGlyphOrigin.y, - (GLfloat)gm.gmCellIncX, - (GLfloat)gm.gmCellIncY, - (const GLubyte * )lpBits); - - GlobalUnlock(hBits); - GlobalFree(hBits); - - glEndList( ); - } - - return success; -} - - - -/* NOT IMPLEMENTED YET */ -WINGDIAPI BOOL GLAPIENTRY wglCopyContext(HGLRC hglrcSrc, - HGLRC hglrcDst, - UINT mask) -{ - (void) hglrcSrc; (void) hglrcDst; (void) mask; - return(FALSE); -} - -WINGDIAPI HGLRC GLAPIENTRY wglCreateLayerContext(HDC hdc, - int iLayerPlane) -{ - (void) hdc; (void) iLayerPlane; - SetLastError(0); - return(NULL); -} - -WINGDIAPI BOOL GLAPIENTRY wglShareLists(HGLRC hglrc1, - HGLRC hglrc2) -{ - (void) hglrc1; (void) hglrc2; - return(TRUE); -} - - -WINGDIAPI BOOL GLAPIENTRY wglUseFontBitmapsW(HDC hdc, - DWORD first, - DWORD count, - DWORD listBase) -{ - (void) hdc; (void) first; (void) count; (void) listBase; - return FALSE; -} - -WINGDIAPI BOOL GLAPIENTRY wglUseFontOutlinesA(HDC hdc, - DWORD first, - DWORD count, - DWORD listBase, - FLOAT deviation, - FLOAT extrusion, - int format, - LPGLYPHMETRICSFLOAT lpgmf) -{ - (void) hdc; (void) first; (void) count; - (void) listBase; (void) deviation; (void) extrusion; (void) format; - (void) lpgmf; - SetLastError(0); - return(FALSE); -} - -WINGDIAPI BOOL GLAPIENTRY wglUseFontOutlinesW(HDC hdc, - DWORD first, - DWORD count, - DWORD listBase, - FLOAT deviation, - FLOAT extrusion, - int format, - LPGLYPHMETRICSFLOAT lpgmf) -{ - (void) hdc; (void) first; (void) count; - (void) listBase; (void) deviation; (void) extrusion; (void) format; - (void) lpgmf; - SetLastError(0); - return(FALSE); -} - -WINGDIAPI BOOL GLAPIENTRY wglDescribeLayerPlane(HDC hdc, - int iPixelFormat, - int iLayerPlane, - UINT nBytes, - LPLAYERPLANEDESCRIPTOR plpd) -{ - (void) hdc; (void) iPixelFormat; (void) iLayerPlane; - (void) nBytes; (void) plpd; - SetLastError(0); - return(FALSE); -} - -WINGDIAPI int GLAPIENTRY wglSetLayerPaletteEntries(HDC hdc, - int iLayerPlane, - int iStart, - int cEntries, - CONST COLORREF *pcr) -{ - (void) hdc; (void) iLayerPlane; (void) iStart; - (void) cEntries; (void) pcr; - SetLastError(0); - return(0); -} - -WINGDIAPI int GLAPIENTRY wglGetLayerPaletteEntries(HDC hdc, - int iLayerPlane, - int iStart, - int cEntries, - COLORREF *pcr) -{ - (void) hdc; (void) iLayerPlane; (void) iStart; (void) cEntries; (void) pcr; - SetLastError(0); - return(0); -} - -WINGDIAPI BOOL GLAPIENTRY wglRealizeLayerPalette(HDC hdc, - int iLayerPlane, - BOOL bRealize) -{ - (void) hdc; (void) iLayerPlane; (void) bRealize; - SetLastError(0); - return(FALSE); -} - -WINGDIAPI BOOL GLAPIENTRY wglSwapLayerBuffers(HDC hdc, - UINT fuPlanes) -{ - (void) hdc; (void) fuPlanes; - SetLastError(0); - return(FALSE); -} - -WINGDIAPI const char * GLAPIENTRY wglGetExtensionsStringARB(HDC hdc) -{ - return "WGL_ARB_extensions_string"; -} |