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Diffstat (limited to 'src/gallium/winsys/gdi/wgl.c')
-rw-r--r--src/gallium/winsys/gdi/wgl.c701
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 3ce470480..000000000
--- 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, ajl@ultersys.ru
- * 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";
-}
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