744 lines
23 KiB
C
744 lines
23 KiB
C
/* Window-specific OpenGL functions implementation.
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*
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* Copyright (c) 1999 Lionel Ulmer
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* Copyright (c) 2005 Raphael Junqueira
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#include <stdarg.h>
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#include <stdlib.h>
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#include <string.h>
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#include "windef.h"
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#include "winbase.h"
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#include "winuser.h"
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#include "winerror.h"
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#include "winreg.h"
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#include "wingdi.h"
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#include "winternl.h"
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#include "winnt.h"
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#include "opengl_ext.h"
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#ifdef HAVE_GL_GLU_H
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#undef far
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#undef near
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#include <GL/glu.h>
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#endif
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#include "wine/library.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(wgl);
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WINE_DECLARE_DEBUG_CHANNEL(opengl);
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typedef struct wine_wgl_s {
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BOOL WINAPI (*p_wglDeleteContext)(HGLRC hglrc);
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HGLRC WINAPI (*p_wglGetCurrentContext)(void);
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HDC WINAPI (*p_wglGetCurrentDC)(void);
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PROC WINAPI (*p_wglGetProcAddress)(LPCSTR lpszProc);
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BOOL WINAPI (*p_wglShareLists)(HGLRC hglrc1, HGLRC hglrc2);
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void WINAPI (*p_wglGetIntegerv)(GLenum pname, GLint* params);
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} wine_wgl_t;
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/** global wgl object */
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static wine_wgl_t wine_wgl;
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/* x11drv GDI escapes */
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#define X11DRV_ESCAPE 6789
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enum x11drv_escape_codes
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{
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X11DRV_GET_DISPLAY, /* get X11 display for a DC */
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X11DRV_GET_DRAWABLE, /* get current drawable for a DC */
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X11DRV_GET_FONT, /* get current X font for a DC */
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X11DRV_SET_DRAWABLE, /* set current drawable for a DC */
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X11DRV_START_EXPOSURES, /* start graphics exposures */
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X11DRV_END_EXPOSURES, /* end graphics exposures */
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X11DRV_GET_DCE, /* get the DCE pointer */
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X11DRV_SET_DCE, /* set the DCE pointer */
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X11DRV_GET_GLX_DRAWABLE, /* get current glx drawable for a DC */
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X11DRV_SYNC_PIXMAP /* sync the dibsection to its pixmap */
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};
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void (*wine_tsx11_lock_ptr)(void) = NULL;
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void (*wine_tsx11_unlock_ptr)(void) = NULL;
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static GLXContext default_cx = NULL;
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static Display *default_display; /* display to use for default context */
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static HMODULE opengl32_handle;
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static void* (*p_glXGetProcAddressARB)(const GLubyte *);
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static char internal_gl_disabled_extensions[512];
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static char* internal_gl_extensions = NULL;
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typedef struct wine_glcontext {
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HDC hdc;
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Display *display;
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XVisualInfo *vis;
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GLXFBConfig fb_conf;
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GLXContext ctx;
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BOOL do_escape;
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struct wine_glcontext *next;
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struct wine_glcontext *prev;
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} Wine_GLContext;
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void enter_gl(void)
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{
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Wine_GLContext *curctx = (Wine_GLContext *) NtCurrentTeb()->glContext;
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if (curctx && curctx->do_escape)
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{
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enum x11drv_escape_codes escape = X11DRV_SYNC_PIXMAP;
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ExtEscape(curctx->hdc, X11DRV_ESCAPE, sizeof(escape), (LPCSTR)&escape, 0, NULL);
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}
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wine_tsx11_lock_ptr();
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return;
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}
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/* retrieve the X display to use on a given DC */
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inline static Display *get_display( HDC hdc )
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{
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Display *display;
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enum x11drv_escape_codes escape = X11DRV_GET_DISPLAY;
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if (!ExtEscape( hdc, X11DRV_ESCAPE, sizeof(escape), (LPCSTR)&escape,
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sizeof(display), (LPSTR)&display )) display = NULL;
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return display;
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}
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/***********************************************************************
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* wglCreateLayerContext (OPENGL32.@)
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*/
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HGLRC WINAPI wglCreateLayerContext(HDC hdc,
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int iLayerPlane) {
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TRACE("(%p,%d)\n", hdc, iLayerPlane);
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if (iLayerPlane == 0) {
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return wglCreateContext(hdc);
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}
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FIXME(" no handler for layer %d\n", iLayerPlane);
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return NULL;
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}
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/***********************************************************************
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* wglCopyContext (OPENGL32.@)
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*/
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BOOL WINAPI wglCopyContext(HGLRC hglrcSrc,
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HGLRC hglrcDst,
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UINT mask) {
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FIXME("(%p,%p,%d)\n", hglrcSrc, hglrcDst, mask);
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return FALSE;
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}
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/***********************************************************************
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* wglDeleteContext (OPENGL32.@)
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*/
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BOOL WINAPI wglDeleteContext(HGLRC hglrc)
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{
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TRACE("(%p)\n", hglrc);
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return wine_wgl.p_wglDeleteContext(hglrc);
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}
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/***********************************************************************
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* wglDescribeLayerPlane (OPENGL32.@)
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*/
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BOOL WINAPI wglDescribeLayerPlane(HDC hdc,
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int iPixelFormat,
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int iLayerPlane,
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UINT nBytes,
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LPLAYERPLANEDESCRIPTOR plpd) {
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FIXME("(%p,%d,%d,%d,%p)\n", hdc, iPixelFormat, iLayerPlane, nBytes, plpd);
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return FALSE;
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}
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/***********************************************************************
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* wglGetCurrentContext (OPENGL32.@)
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*/
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HGLRC WINAPI wglGetCurrentContext(void) {
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TRACE("\n");
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return wine_wgl.p_wglGetCurrentContext();
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}
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/***********************************************************************
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* wglGetCurrentDC (OPENGL32.@)
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*/
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HDC WINAPI wglGetCurrentDC(void) {
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TRACE("\n");
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return wine_wgl.p_wglGetCurrentDC();
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}
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/***********************************************************************
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* wglGetLayerPaletteEntries (OPENGL32.@)
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*/
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int WINAPI wglGetLayerPaletteEntries(HDC hdc,
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int iLayerPlane,
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int iStart,
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int cEntries,
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const COLORREF *pcr) {
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FIXME("(): stub !\n");
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return 0;
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}
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/***********************************************************************
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* wglGetProcAddress (OPENGL32.@)
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*/
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static int compar(const void *elt_a, const void *elt_b) {
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return strcmp(((const OpenGL_extension *) elt_a)->name,
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((const OpenGL_extension *) elt_b)->name);
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}
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PROC WINAPI wglGetProcAddress(LPCSTR lpszProc) {
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void *local_func;
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OpenGL_extension ext;
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const OpenGL_extension *ext_ret;
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TRACE("(%s)\n", lpszProc);
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/* First, look if it's not already defined in the 'standard' OpenGL functions */
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if ((local_func = GetProcAddress(opengl32_handle, lpszProc)) != NULL) {
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TRACE(" found function in 'standard' OpenGL functions (%p)\n", local_func);
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return local_func;
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}
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if (p_glXGetProcAddressARB == NULL) {
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ERR("Warning : dynamic GL extension loading not supported by native GL library.\n");
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return NULL;
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}
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/* After that, search in the thunks to find the real name of the extension */
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ext.name = lpszProc;
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ext_ret = (const OpenGL_extension *) bsearch(&ext, extension_registry,
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extension_registry_size, sizeof(OpenGL_extension), compar);
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/* If nothing was found, we are looking for a WGL extension */
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if (ext_ret == NULL) {
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return wine_wgl.p_wglGetProcAddress(lpszProc);
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} else { /* We are looking for an OpenGL extension */
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const char *glx_name = ext_ret->glx_name ? ext_ret->glx_name : ext_ret->name;
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ENTER_GL();
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local_func = p_glXGetProcAddressARB( (const GLubyte*)glx_name);
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LEAVE_GL();
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/* After that, look at the extensions defined in the Linux OpenGL library */
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if (local_func == NULL) {
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char buf[256];
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void *ret = NULL;
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/* Remove the 3 last letters (EXT, ARB, ...).
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I know that some extensions have more than 3 letters (MESA, NV,
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INTEL, ...), but this is only a stop-gap measure to fix buggy
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OpenGL drivers (moreover, it is only useful for old 1.0 apps
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that query the glBindTextureEXT extension).
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*/
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memcpy(buf, glx_name, strlen(glx_name) - 3);
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buf[strlen(glx_name) - 3] = '\0';
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TRACE(" extension not found in the Linux OpenGL library, checking against libGL bug with %s..\n", buf);
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ret = GetProcAddress(opengl32_handle, buf);
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if (ret != NULL) {
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TRACE(" found function in main OpenGL library (%p) !\n", ret);
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} else {
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WARN("Did not find function %s (%s) in your OpenGL library !\n", lpszProc, glx_name);
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}
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return ret;
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} else {
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TRACE(" returning function (%p)\n", ext_ret->func);
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extension_funcs[ext_ret - extension_registry] = local_func;
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return ext_ret->func;
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}
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}
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}
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/***********************************************************************
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* wglRealizeLayerPalette (OPENGL32.@)
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*/
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BOOL WINAPI wglRealizeLayerPalette(HDC hdc,
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int iLayerPlane,
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BOOL bRealize) {
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FIXME("()\n");
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return FALSE;
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}
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/***********************************************************************
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* wglSetLayerPaletteEntries (OPENGL32.@)
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*/
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int WINAPI wglSetLayerPaletteEntries(HDC hdc,
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int iLayerPlane,
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int iStart,
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int cEntries,
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const COLORREF *pcr) {
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FIXME("(): stub !\n");
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return 0;
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}
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/***********************************************************************
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* wglShareLists (OPENGL32.@)
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*/
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BOOL WINAPI wglShareLists(HGLRC hglrc1, HGLRC hglrc2) {
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TRACE("(%p, %p)\n", hglrc1, hglrc2);
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return wine_wgl.p_wglShareLists(hglrc1, hglrc2);
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}
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/***********************************************************************
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* wglSwapLayerBuffers (OPENGL32.@)
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*/
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BOOL WINAPI wglSwapLayerBuffers(HDC hdc,
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UINT fuPlanes) {
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TRACE_(opengl)("(%p, %08x)\n", hdc, fuPlanes);
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if (fuPlanes & WGL_SWAP_MAIN_PLANE) {
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if (!SwapBuffers(hdc)) return FALSE;
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fuPlanes &= ~WGL_SWAP_MAIN_PLANE;
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}
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if (fuPlanes) {
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WARN("Following layers unhandled : %08x\n", fuPlanes);
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}
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return TRUE;
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}
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#ifdef HAVE_GL_GLU_H
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static void fixed_to_double(POINTFX fixed, UINT em_size, GLdouble vertex[3])
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{
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vertex[0] = (fixed.x.value + (GLdouble)fixed.x.fract / (1 << 16)) / em_size;
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vertex[1] = (fixed.y.value + (GLdouble)fixed.y.fract / (1 << 16)) / em_size;
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vertex[2] = 0.0;
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}
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static void tess_callback_vertex(GLvoid *vertex)
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{
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GLdouble *dbl = vertex;
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TRACE("%f, %f, %f\n", dbl[0], dbl[1], dbl[2]);
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glVertex3dv(vertex);
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}
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static void tess_callback_begin(GLenum which)
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{
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TRACE("%d\n", which);
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glBegin(which);
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}
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static void tess_callback_end(void)
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{
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TRACE("\n");
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glEnd();
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}
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/***********************************************************************
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* wglUseFontOutlines_common
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*/
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BOOL WINAPI wglUseFontOutlines_common(HDC hdc,
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DWORD first,
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DWORD count,
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DWORD listBase,
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FLOAT deviation,
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FLOAT extrusion,
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int format,
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LPGLYPHMETRICSFLOAT lpgmf,
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BOOL unicode)
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{
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UINT glyph;
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const MAT2 identity = {{0,1},{0,0},{0,0},{0,1}};
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GLUtesselator *tess;
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LOGFONTW lf;
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HFONT old_font, unscaled_font;
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UINT em_size = 1024;
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RECT rc;
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TRACE("(%p, %d, %d, %d, %f, %f, %d, %p, %s)\n", hdc, first, count,
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listBase, deviation, extrusion, format, lpgmf, unicode ? "W" : "A");
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ENTER_GL();
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tess = gluNewTess();
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if(tess)
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{
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gluTessCallback(tess, GLU_TESS_VERTEX, (_GLUfuncptr)tess_callback_vertex);
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gluTessCallback(tess, GLU_TESS_BEGIN, (_GLUfuncptr)tess_callback_begin);
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gluTessCallback(tess, GLU_TESS_END, tess_callback_end);
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}
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LEAVE_GL();
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if(!tess) return FALSE;
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GetObjectW(GetCurrentObject(hdc, OBJ_FONT), sizeof(lf), &lf);
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rc.left = rc.right = rc.bottom = 0;
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rc.top = em_size;
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DPtoLP(hdc, (POINT*)&rc, 2);
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lf.lfHeight = -abs(rc.top - rc.bottom);
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lf.lfOrientation = lf.lfEscapement = 0;
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unscaled_font = CreateFontIndirectW(&lf);
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old_font = SelectObject(hdc, unscaled_font);
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for (glyph = first; glyph < first + count; glyph++)
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{
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DWORD needed;
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GLYPHMETRICS gm;
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BYTE *buf;
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TTPOLYGONHEADER *pph;
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TTPOLYCURVE *ppc;
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GLdouble *vertices;
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if(unicode)
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needed = GetGlyphOutlineW(hdc, glyph, GGO_NATIVE, &gm, 0, NULL, &identity);
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else
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needed = GetGlyphOutlineA(hdc, glyph, GGO_NATIVE, &gm, 0, NULL, &identity);
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if(needed == GDI_ERROR)
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goto error;
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buf = HeapAlloc(GetProcessHeap(), 0, needed);
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vertices = HeapAlloc(GetProcessHeap(), 0, needed / sizeof(POINTFX) * 3 * sizeof(GLdouble));
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if(unicode)
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GetGlyphOutlineW(hdc, glyph, GGO_NATIVE, &gm, needed, buf, &identity);
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else
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GetGlyphOutlineA(hdc, glyph, GGO_NATIVE, &gm, needed, buf, &identity);
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TRACE("glyph %d\n", glyph);
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if(lpgmf)
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{
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lpgmf->gmfBlackBoxX = (float)gm.gmBlackBoxX / em_size;
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lpgmf->gmfBlackBoxY = (float)gm.gmBlackBoxY / em_size;
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lpgmf->gmfptGlyphOrigin.x = (float)gm.gmptGlyphOrigin.x / em_size;
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lpgmf->gmfptGlyphOrigin.y = (float)gm.gmptGlyphOrigin.y / em_size;
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lpgmf->gmfCellIncX = (float)gm.gmCellIncX / em_size;
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lpgmf->gmfCellIncY = (float)gm.gmCellIncY / em_size;
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TRACE("%fx%f at %f,%f inc %f,%f\n", lpgmf->gmfBlackBoxX, lpgmf->gmfBlackBoxY,
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lpgmf->gmfptGlyphOrigin.x, lpgmf->gmfptGlyphOrigin.y, lpgmf->gmfCellIncX, lpgmf->gmfCellIncY);
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lpgmf++;
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}
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ENTER_GL();
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glNewList(listBase++, GL_COMPILE);
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gluTessBeginPolygon(tess, NULL);
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pph = (TTPOLYGONHEADER*)buf;
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while((BYTE*)pph < buf + needed)
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{
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TRACE("\tstart %d, %d\n", pph->pfxStart.x.value, pph->pfxStart.y.value);
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gluTessBeginContour(tess);
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fixed_to_double(pph->pfxStart, em_size, vertices);
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gluTessVertex(tess, vertices, vertices);
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vertices += 3;
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ppc = (TTPOLYCURVE*)((char*)pph + sizeof(*pph));
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while((char*)ppc < (char*)pph + pph->cb)
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{
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int i;
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switch(ppc->wType) {
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case TT_PRIM_LINE:
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for(i = 0; i < ppc->cpfx; i++)
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{
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TRACE("\t\tline to %d, %d\n", ppc->apfx[i].x.value, ppc->apfx[i].y.value);
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fixed_to_double(ppc->apfx[i], em_size, vertices);
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gluTessVertex(tess, vertices, vertices);
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vertices += 3;
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}
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break;
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case TT_PRIM_QSPLINE:
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for(i = 0; i < ppc->cpfx/2; i++)
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{
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/* FIXME just connecting the control points for now */
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TRACE("\t\tcurve %d,%d %d,%d\n",
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ppc->apfx[i * 2].x.value, ppc->apfx[i * 3].y.value,
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ppc->apfx[i * 2 + 1].x.value, ppc->apfx[i * 3 + 1].y.value);
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fixed_to_double(ppc->apfx[i * 2], em_size, vertices);
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gluTessVertex(tess, vertices, vertices);
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vertices += 3;
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fixed_to_double(ppc->apfx[i * 2 + 1], em_size, vertices);
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gluTessVertex(tess, vertices, vertices);
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vertices += 3;
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}
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break;
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default:
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ERR("\t\tcurve type = %d\n", ppc->wType);
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gluTessEndContour(tess);
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goto error_in_list;
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}
|
|
|
|
ppc = (TTPOLYCURVE*)((char*)ppc + sizeof(*ppc) +
|
|
(ppc->cpfx - 1) * sizeof(POINTFX));
|
|
}
|
|
gluTessEndContour(tess);
|
|
pph = (TTPOLYGONHEADER*)((char*)pph + pph->cb);
|
|
}
|
|
|
|
error_in_list:
|
|
gluTessEndPolygon(tess);
|
|
glTranslated((GLdouble)gm.gmCellIncX / em_size, (GLdouble)gm.gmCellIncY / em_size, 0.0);
|
|
glEndList();
|
|
LEAVE_GL();
|
|
HeapFree(GetProcessHeap(), 0, buf);
|
|
HeapFree(GetProcessHeap(), 0, vertices);
|
|
}
|
|
|
|
error:
|
|
DeleteObject(SelectObject(hdc, old_font));
|
|
gluDeleteTess(tess);
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
#else /* HAVE_GL_GLU_H */
|
|
|
|
BOOL WINAPI wglUseFontOutlines_common(HDC hdc,
|
|
DWORD first,
|
|
DWORD count,
|
|
DWORD listBase,
|
|
FLOAT deviation,
|
|
FLOAT extrusion,
|
|
int format,
|
|
LPGLYPHMETRICSFLOAT lpgmf,
|
|
BOOL unicode)
|
|
{
|
|
FIXME("Unable to compile in wglUseFontOutlines support without GL/glu.h\n");
|
|
return FALSE;
|
|
}
|
|
|
|
#endif /* HAVE_GL_GLU_H */
|
|
|
|
/***********************************************************************
|
|
* wglUseFontOutlinesA (OPENGL32.@)
|
|
*/
|
|
BOOL WINAPI wglUseFontOutlinesA(HDC hdc,
|
|
DWORD first,
|
|
DWORD count,
|
|
DWORD listBase,
|
|
FLOAT deviation,
|
|
FLOAT extrusion,
|
|
int format,
|
|
LPGLYPHMETRICSFLOAT lpgmf)
|
|
{
|
|
return wglUseFontOutlines_common(hdc, first, count, listBase, deviation, extrusion, format, lpgmf, FALSE);
|
|
}
|
|
|
|
/***********************************************************************
|
|
* wglUseFontOutlinesW (OPENGL32.@)
|
|
*/
|
|
BOOL WINAPI wglUseFontOutlinesW(HDC hdc,
|
|
DWORD first,
|
|
DWORD count,
|
|
DWORD listBase,
|
|
FLOAT deviation,
|
|
FLOAT extrusion,
|
|
int format,
|
|
LPGLYPHMETRICSFLOAT lpgmf)
|
|
{
|
|
return wglUseFontOutlines_common(hdc, first, count, listBase, deviation, extrusion, format, lpgmf, TRUE);
|
|
}
|
|
|
|
const GLubyte * internal_glGetString(GLenum name) {
|
|
const char* GL_Extensions = NULL;
|
|
|
|
if (GL_EXTENSIONS != name) {
|
|
return glGetString(name);
|
|
}
|
|
|
|
if (NULL == internal_gl_extensions) {
|
|
GL_Extensions = (const char *) glGetString(GL_EXTENSIONS);
|
|
|
|
TRACE("GL_EXTENSIONS reported:\n");
|
|
if (NULL == GL_Extensions) {
|
|
ERR("GL_EXTENSIONS returns NULL\n");
|
|
return NULL;
|
|
} else {
|
|
size_t len = strlen(GL_Extensions);
|
|
internal_gl_extensions = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len + 2);
|
|
|
|
while (*GL_Extensions != 0x00) {
|
|
const char* Start = GL_Extensions;
|
|
char ThisExtn[256];
|
|
|
|
memset(ThisExtn, 0x00, sizeof(ThisExtn));
|
|
while (*GL_Extensions != ' ' && *GL_Extensions != 0x00) {
|
|
GL_Extensions++;
|
|
}
|
|
memcpy(ThisExtn, Start, (GL_Extensions - Start));
|
|
TRACE("- %s:", ThisExtn);
|
|
|
|
/* test if supported API is disabled by config */
|
|
if (NULL == strstr(internal_gl_disabled_extensions, ThisExtn)) {
|
|
strcat(internal_gl_extensions, " ");
|
|
strcat(internal_gl_extensions, ThisExtn);
|
|
TRACE(" active\n");
|
|
} else {
|
|
TRACE(" deactived (by config)\n");
|
|
}
|
|
|
|
if (*GL_Extensions == ' ') GL_Extensions++;
|
|
}
|
|
}
|
|
}
|
|
return (const GLubyte *) internal_gl_extensions;
|
|
}
|
|
|
|
void internal_glGetIntegerv(GLenum pname, GLint* params) {
|
|
TRACE("pname: 0x%x, params %p\n", pname, params);
|
|
glGetIntegerv(pname, params);
|
|
/* A few parameters like GL_DEPTH_BITS differ between WGL and GLX, the wglGetIntegerv helper function handles those */
|
|
wine_wgl.p_wglGetIntegerv(pname, params);
|
|
}
|
|
|
|
|
|
/* No need to load any other libraries as according to the ABI, libGL should be self-sufficient and
|
|
include all dependencies
|
|
*/
|
|
#ifndef SONAME_LIBGL
|
|
#define SONAME_LIBGL "libGL.so"
|
|
#endif
|
|
|
|
/* This is for brain-dead applications that use OpenGL functions before even
|
|
creating a rendering context.... */
|
|
static BOOL process_attach(void)
|
|
{
|
|
XWindowAttributes win_attr;
|
|
Visual *rootVisual;
|
|
int num;
|
|
XVisualInfo template;
|
|
HDC hdc;
|
|
XVisualInfo *vis = NULL;
|
|
Window root = (Window)GetPropA( GetDesktopWindow(), "__wine_x11_whole_window" );
|
|
HMODULE mod = GetModuleHandleA( "winex11.drv" );
|
|
void *opengl_handle;
|
|
DWORD size = sizeof(internal_gl_disabled_extensions);
|
|
HKEY hkey = 0;
|
|
|
|
if (!root || !mod)
|
|
{
|
|
ERR("X11DRV not loaded. Cannot create default context.\n");
|
|
return FALSE;
|
|
}
|
|
|
|
wine_tsx11_lock_ptr = (void *)GetProcAddress( mod, "wine_tsx11_lock" );
|
|
wine_tsx11_unlock_ptr = (void *)GetProcAddress( mod, "wine_tsx11_unlock" );
|
|
|
|
/* Load WGL function pointers from winex11.drv */
|
|
wine_wgl.p_wglDeleteContext = (void *)GetProcAddress(mod, "wglDeleteContext");
|
|
wine_wgl.p_wglGetCurrentContext = (void *)GetProcAddress(mod, "wglGetCurrentContext");
|
|
wine_wgl.p_wglGetCurrentDC = (void *)GetProcAddress(mod, "wglGetCurrentDC");
|
|
wine_wgl.p_wglGetProcAddress = (void *)GetProcAddress(mod, "wglGetProcAddress");
|
|
wine_wgl.p_wglShareLists = (void *)GetProcAddress(mod, "wglShareLists");
|
|
|
|
/* Interal WGL function */
|
|
wine_wgl.p_wglGetIntegerv = (void *)GetProcAddress(mod, "wglGetIntegerv");
|
|
|
|
hdc = GetDC(0);
|
|
default_display = get_display( hdc );
|
|
ReleaseDC( 0, hdc );
|
|
if (!default_display)
|
|
{
|
|
ERR("X11DRV not loaded. Cannot get display for screen DC.\n");
|
|
return FALSE;
|
|
}
|
|
|
|
ENTER_GL();
|
|
|
|
/* Try to get the visual from the Root Window. We can't use the standard (presumably
|
|
double buffered) X11DRV visual with the Root Window, since we don't know if the Root
|
|
Window was created using the standard X11DRV visual, and glXMakeCurrent can't deal
|
|
with mismatched visuals. Note that the Root Window visual may not be double
|
|
buffered, so apps actually attempting to render this way may flicker */
|
|
if (XGetWindowAttributes( default_display, root, &win_attr ))
|
|
{
|
|
rootVisual = win_attr.visual;
|
|
}
|
|
else
|
|
{
|
|
/* Get the default visual, since we can't seem to get the attributes from the
|
|
Root Window. Let's hope that the Root Window Visual matches the DefaultVisual */
|
|
rootVisual = DefaultVisual( default_display, DefaultScreen(default_display) );
|
|
}
|
|
|
|
template.visualid = XVisualIDFromVisual(rootVisual);
|
|
vis = XGetVisualInfo(default_display, VisualIDMask, &template, &num);
|
|
if (vis != NULL) default_cx = glXCreateContext(default_display, vis, 0, GL_TRUE);
|
|
if (default_cx != NULL) glXMakeCurrent(default_display, root, default_cx);
|
|
XFree(vis);
|
|
LEAVE_GL();
|
|
|
|
opengl_handle = wine_dlopen(SONAME_LIBGL, RTLD_NOW|RTLD_GLOBAL, NULL, 0);
|
|
if (opengl_handle != NULL) {
|
|
p_glXGetProcAddressARB = wine_dlsym(opengl_handle, "glXGetProcAddressARB", NULL, 0);
|
|
wine_dlclose(opengl_handle, NULL, 0);
|
|
if (p_glXGetProcAddressARB == NULL)
|
|
TRACE("could not find glXGetProcAddressARB in libGL.\n");
|
|
}
|
|
|
|
internal_gl_disabled_extensions[0] = 0;
|
|
if (!RegOpenKeyA( HKEY_LOCAL_MACHINE, "Software\\Wine\\OpenGL", &hkey)) {
|
|
if (!RegQueryValueExA( hkey, "DisabledExtensions", 0, NULL, (LPBYTE)internal_gl_disabled_extensions, &size)) {
|
|
TRACE("found DisabledExtensions=\"%s\"\n", internal_gl_disabled_extensions);
|
|
}
|
|
RegCloseKey(hkey);
|
|
}
|
|
|
|
if (default_cx == NULL) {
|
|
ERR("Could not create default context.\n");
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/**********************************************************************/
|
|
|
|
static void process_detach(void)
|
|
{
|
|
glXDestroyContext(default_display, default_cx);
|
|
|
|
HeapFree(GetProcessHeap(), 0, internal_gl_extensions);
|
|
}
|
|
|
|
/***********************************************************************
|
|
* OpenGL initialisation routine
|
|
*/
|
|
BOOL WINAPI DllMain( HINSTANCE hinst, DWORD reason, LPVOID reserved )
|
|
{
|
|
switch(reason)
|
|
{
|
|
case DLL_PROCESS_ATTACH:
|
|
opengl32_handle = hinst;
|
|
DisableThreadLibraryCalls(hinst);
|
|
return process_attach();
|
|
case DLL_PROCESS_DETACH:
|
|
process_detach();
|
|
break;
|
|
}
|
|
return TRUE;
|
|
}
|