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-rw-r--r--src/mesa/drivers/windows/gdi/wgl.c1001
1 files changed, 528 insertions, 473 deletions
diff --git a/src/mesa/drivers/windows/gdi/wgl.c b/src/mesa/drivers/windows/gdi/wgl.c
index 920929c42e3..7f7937c77d8 100644
--- a/src/mesa/drivers/windows/gdi/wgl.c
+++ b/src/mesa/drivers/windows/gdi/wgl.c
@@ -1,96 +1,143 @@
-/* $Id: wgl.c,v 1.6 2004/08/30 08:37:57 dborca Exp $ */
+/* $Id: wgl.c,v 1.7 2005/05/24 21:12:43 kschultz 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.
-*
-*/
+ * 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
-*/
+ * File name : wgl.c
+ * WGL stuff. Added by Oleg Letsinsky, [email protected]
+ * Some things originated from the 3Dfx WGL functions
+ */
-#ifdef WIN32
+/*
+ * 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.
+ */
-#ifdef __cplusplus
-extern "C" {
-#endif
+/* We're essentially building part of GDI here, so define this so that
+ * we get the right export linkage. */
+#define _GDI32_
#include <windows.h>
-#define GL_GLEXT_PROTOTYPES
-#include <GL/gl.h>
-#include <GL/glext.h>
-//#include <GL/glu.h>
-
-#ifdef __cplusplus
-}
-#endif
-#include <stdio.h>
-#include <tchar.h>
-#include "wmesadef.h"
-#include "GL/wmesa.h"
-#include "mtypes.h"
-#include "glapi.h"
+#include "wmesadef.h" /* headers for Mesa Windows driver source code */
+#include "GL/wmesa.h" /* protos for wmesa* functions */
-#define MAX_MESA_ATTRS 20
+/*
+ * Pixel Format Descriptors
+ */
+/* Extend the PFD to include DB flag */
struct __pixelformat__
{
- PIXELFORMATDESCRIPTOR pfd;
+ PIXELFORMATDESCRIPTOR pfd;
GLboolean doubleBuffered;
};
-struct __pixelformat__ pix[] =
+/* These are the PFD's supported by this driver. */
+struct __pixelformat__ pfd[] =
{
+#if 0
/* 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 },
+ {
+ {
+ 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 },
+ {
+ {
+ 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
},
+#endif
/* 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 },
+ {
+ {
+ 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 },
+ {
+ {
+ 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 qt_pix = sizeof(pix) / sizeof(pix[0]);
+int npfd = sizeof(pfd) / sizeof(pfd[0]);
+
+
+/*
+ * Contexts
+ */
typedef struct {
WMesaContext ctx;
@@ -105,36 +152,27 @@ static unsigned ctx_count = 0;
static int ctx_current = -1;
static unsigned curPFD = 0;
-WGLAPI BOOL GLAPIENTRY wglCopyContext(HGLRC hglrcSrc,HGLRC hglrcDst,UINT mask)
-{
- (void) hglrcSrc; (void) hglrcDst; (void) mask;
- return(FALSE);
-}
-
-WGLAPI HGLRC GLAPIENTRY wglCreateContext(HDC hdc)
+WINGDIAPI HGLRC GLAPIENTRY wglCreateContext(HDC hdc)
{
- HWND hWnd;
+ HWND hWnd;
int i = 0;
- if(!(hWnd = WindowFromDC(hdc)))
- {
- SetLastError(0);
- return(NULL);
+ if(!(hWnd = WindowFromDC(hdc))) {
+ SetLastError(0);
+ return(NULL);
}
- if (!ctx_count)
- {
- for(i=0;i<MESAWGL_CTX_MAX_COUNT;i++)
- {
- wgl_ctx[i].ctx = NULL;
- wgl_ctx[i].hdc = NULL;
- }
+ if (!ctx_count) {
+ for(i=0;i<MESAWGL_CTX_MAX_COUNT;i++) {
+ wgl_ctx[i].ctx = NULL;
+ wgl_ctx[i].hdc = NULL;
+ }
}
- for( i = 0; i < MESAWGL_CTX_MAX_COUNT; i++ )
- {
- if ( wgl_ctx[i].ctx == NULL )
- {
- wgl_ctx[i].ctx = WMesaCreateContext( hWnd, NULL, GL_TRUE,
- pix[curPFD-1].doubleBuffered,
- pix[curPFD-1].pfd.cAlphaBits ? GL_TRUE : GL_FALSE);
+ for( i = 0; i < MESAWGL_CTX_MAX_COUNT; i++ ) {
+ if ( wgl_ctx[i].ctx == NULL ) {
+ wgl_ctx[i].ctx =
+ WMesaCreateContext(hWnd, NULL, GL_TRUE,
+ pfd[curPFD-1].doubleBuffered,
+ pfd[curPFD-1].pfd.cAlphaBits ?
+ GL_TRUE : GL_FALSE);
if (wgl_ctx[i].ctx == NULL)
break;
wgl_ctx[i].hdc = hdc;
@@ -146,13 +184,11 @@ WGLAPI HGLRC GLAPIENTRY wglCreateContext(HDC hdc)
return(NULL);
}
-WGLAPI BOOL GLAPIENTRY wglDeleteContext(HGLRC hglrc)
+WINGDIAPI BOOL GLAPIENTRY wglDeleteContext(HGLRC hglrc)
{
int i;
- for ( i = 0; i < MESAWGL_CTX_MAX_COUNT; i++ )
- {
- if ( wgl_ctx[i].ctx == (PWMC) hglrc )
- {
+ for ( i = 0; i < MESAWGL_CTX_MAX_COUNT; i++ ) {
+ if ( wgl_ctx[i].ctx == (PWMC) hglrc ){
WMesaMakeCurrent((PWMC) hglrc);
WMesaDestroyContext();
wgl_ctx[i].ctx = NULL;
@@ -165,59 +201,171 @@ WGLAPI BOOL GLAPIENTRY wglDeleteContext(HGLRC hglrc)
return(FALSE);
}
-WGLAPI HGLRC GLAPIENTRY wglCreateLayerContext(HDC hdc,int iLayerPlane)
+WINGDIAPI HGLRC GLAPIENTRY wglGetCurrentContext(VOID)
{
- (void) hdc; (void) iLayerPlane;
- SetLastError(0);
- return(NULL);
+ if (ctx_current < 0)
+ return 0;
+ else
+ return (HGLRC) wgl_ctx[ctx_current].ctx;
}
-WGLAPI HGLRC GLAPIENTRY wglGetCurrentContext(VOID)
+WINGDIAPI HDC GLAPIENTRY wglGetCurrentDC(VOID)
{
- if (ctx_current < 0)
- return 0;
- else
- return (HGLRC) wgl_ctx[ctx_current].ctx;
+ if (ctx_current < 0)
+ return 0;
+ else
+ return wgl_ctx[ctx_current].hdc;
}
-WGLAPI HDC GLAPIENTRY wglGetCurrentDC(VOID)
+WINGDIAPI BOOL GLAPIENTRY wglMakeCurrent(HDC hdc,HGLRC hglrc)
{
- if (ctx_current < 0)
- return 0;
- else
- return wgl_ctx[ctx_current].hdc;
+ int i;
+
+ if (!hdc || !hglrc) {
+ WMesaMakeCurrent(NULL);
+ ctx_current = -1;
+ return TRUE;
+ }
+
+ for ( i = 0; i < MESAWGL_CTX_MAX_COUNT; i++ ) {
+ if ( wgl_ctx[i].ctx == (PWMC) hglrc ) {
+ wgl_ctx[i].hdc = hdc;
+ WMesaMakeCurrent( (WMesaContext) hglrc );
+ ctx_current = i;
+ return TRUE;
+ }
+ }
+ return FALSE;
}
-WGLAPI BOOL GLAPIENTRY wglMakeCurrent(HDC hdc,HGLRC hglrc)
+
+WINGDIAPI int GLAPIENTRY wglChoosePixelFormat(HDC hdc,
+ CONST
+ PIXELFORMATDESCRIPTOR *ppfd)
{
- int i;
+ 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);
+}
- /* new code suggested by Andy Sy */
- if (!hdc || !hglrc) {
- WMesaMakeCurrent(NULL);
- ctx_current = -1;
- return TRUE;
- }
+WGLAPI 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);
+}
- for ( i = 0; i < MESAWGL_CTX_MAX_COUNT; i++ )
- {
- if ( wgl_ctx[i].ctx == (PWMC) hglrc )
- {
- wgl_ctx[i].hdc = hdc;
- WMesaMakeCurrent( (WMesaContext) hglrc );
- ctx_current = i;
- return TRUE;
- }
+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 FALSE;
+ return(curPFD);
}
-WGLAPI BOOL GLAPIENTRY wglShareLists(HGLRC hglrc1,HGLRC hglrc2)
+WINGDIAPI BOOL GLAPIENTRY wglSetPixelFormat(HDC hdc,int iPixelFormat,
+ PIXELFORMATDESCRIPTOR *ppfd)
{
- (void) hglrc1; (void) hglrc2;
+ (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)
+{
+ (void) hdc;
+ if (ctx_current < 0)
+ return FALSE;
+
+ if(wgl_ctx[ctx_current].ctx == NULL) {
+ SetLastError(0);
+ return(FALSE);
+ }
+ WMesaSwapBuffers();
+ return(TRUE);
+}
static FIXED FixedFromDouble(double d)
{
@@ -236,209 +384,238 @@ 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);
- // 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) != 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 = 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);
- (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, &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;
+
+ 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 = 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;
+ // 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, &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)
+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, /* 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;
+ 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,
+ -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)
+
+/* 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;
}
-WGLAPI BOOL GLAPIENTRY wglUseFontOutlinesA(HDC hdc,DWORD first,DWORD count,
- DWORD listBase,FLOAT deviation,
- FLOAT extrusion,int format,
- LPGLYPHMETRICSFLOAT lpgmf)
+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;
@@ -447,10 +624,14 @@ WGLAPI BOOL GLAPIENTRY wglUseFontOutlinesA(HDC hdc,DWORD first,DWORD count,
return(FALSE);
}
-WGLAPI BOOL GLAPIENTRY wglUseFontOutlinesW(HDC hdc,DWORD first,DWORD count,
- DWORD listBase,FLOAT deviation,
- FLOAT extrusion,int format,
- LPGLYPHMETRICSFLOAT lpgmf)
+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;
@@ -459,181 +640,55 @@ WGLAPI BOOL GLAPIENTRY wglUseFontOutlinesW(HDC hdc,DWORD first,DWORD count,
return(FALSE);
}
-WGLAPI BOOL GLAPIENTRY wglDescribeLayerPlane(HDC hdc,int iPixelFormat,
- int iLayerPlane,UINT nBytes,
- LPLAYERPLANEDESCRIPTOR plpd)
+WINGDIAPI BOOL GLAPIENTRY wglDescribeLayerPlane(HDC hdc,
+ int iPixelFormat,
+ int iLayerPlane,
+ UINT nBytes,
+ LPLAYERPLANEDESCRIPTOR plpd)
{
- (void) hdc; (void) iPixelFormat; (void) iLayerPlane; (void) nBytes; (void) plpd;
+ (void) hdc; (void) iPixelFormat; (void) iLayerPlane;
+ (void) nBytes; (void) plpd;
SetLastError(0);
return(FALSE);
}
-WGLAPI int GLAPIENTRY wglSetLayerPaletteEntries(HDC hdc,int iLayerPlane,
- int iStart,int cEntries,
- CONST COLORREF *pcr)
+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;
+ (void) hdc; (void) iLayerPlane; (void) iStart;
+ (void) cEntries; (void) pcr;
SetLastError(0);
return(0);
}
-WGLAPI int GLAPIENTRY wglGetLayerPaletteEntries(HDC hdc,int iLayerPlane,
- int iStart,int cEntries,
- COLORREF *pcr)
+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);
}
-WGLAPI BOOL GLAPIENTRY wglRealizeLayerPalette(HDC hdc,int iLayerPlane,BOOL bRealize)
+WINGDIAPI BOOL GLAPIENTRY wglRealizeLayerPalette(HDC hdc,
+ int iLayerPlane,
+ BOOL bRealize)
{
(void) hdc; (void) iLayerPlane; (void) bRealize;
SetLastError(0);
return(FALSE);
}
-WGLAPI BOOL GLAPIENTRY wglSwapLayerBuffers(HDC hdc,UINT fuPlanes)
+WINGDIAPI BOOL GLAPIENTRY wglSwapLayerBuffers(HDC hdc,
+ UINT fuPlanes)
{
- (void) fuPlanes;
- if( !hdc )
- {
- WMesaSwapBuffers();
- return(TRUE);
- }
+ (void) hdc; (void) fuPlanes;
SetLastError(0);
return(FALSE);
}
-WGLAPI int GLAPIENTRY wglChoosePixelFormat(HDC hdc,
- CONST PIXELFORMATDESCRIPTOR *ppfd)
-{
- int i,best = -1,bestdelta = 0x7FFFFFFF,delta,qt_valid_pix;
- (void) hdc;
-
- 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(ppfd->cAlphaBits != pix[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);
-}
-
-WGLAPI int GLAPIENTRY wglDescribePixelFormat(HDC hdc,int iPixelFormat,UINT nBytes,
- LPPIXELFORMATDESCRIPTOR ppfd)
-{
- int qt_valid_pix;
- (void) hdc;
-
- qt_valid_pix = qt_pix;
- if(ppfd == NULL)
- return(qt_valid_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)
-{
- PROC p = (PROC) _glapi_get_proc_address((const char *) lpszProc);
- if (p)
- return p;
-
- SetLastError(0);
- return(NULL);
-}
-
-WGLAPI int GLAPIENTRY wglGetPixelFormat(HDC hdc)
-{
- (void) hdc;
- if(curPFD == 0)
- {
- SetLastError(0);
- return(0);
- }
- return(curPFD);
-}
-
-WGLAPI BOOL GLAPIENTRY wglSetPixelFormat(HDC hdc,int iPixelFormat,
- PIXELFORMATDESCRIPTOR *ppfd)
-{
- int qt_valid_pix;
- (void) hdc;
-
- 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)
-{
- (void) hdc;
- if (ctx_current < 0)
- return FALSE;
-
- if(wgl_ctx[ctx_current].ctx == NULL) {
- SetLastError(0);
- return(FALSE);
- }
- WMesaSwapBuffers();
- return(TRUE);
-}
-
-#endif /* WIN32 */