700 lines
22 KiB
C
700 lines
22 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 "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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PROC WINAPI (*p_wglGetProcAddress)(LPCSTR lpszProc);
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void WINAPI (*p_wglGetIntegerv)(GLenum pname, GLint* params);
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void WINAPI (*p_wglFinish)(void);
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void WINAPI (*p_wglFlush)(void);
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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 HMODULE opengl32_handle;
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static char* internal_gl_disabled_extensions = NULL;
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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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BOOL do_escape;
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/* ... more stuff here */
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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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const GLubyte * WINAPI wine_glGetString( GLenum name );
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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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* 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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* 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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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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/* Check if a GL extension is supported */
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static BOOL is_extension_supported(const char* extension)
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{
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const char *gl_ext_string = (const char*)wine_glGetString(GL_EXTENSIONS);
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TRACE("Checking for extension '%s'\n", extension);
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if(!gl_ext_string) {
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ERR("No OpenGL extensions found, check if your OpenGL setup is correct!\n");
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return FALSE;
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}
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/* We use the GetProcAddress function from the display driver to retrieve function pointers
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* for OpenGL and WGL extensions. In case of winex11.drv the OpenGL extension lookup is done
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* using glXGetProcAddress. This function is quite unreliable in the sense that its specs don't
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* require the function to return NULL when a extension isn't found. For this reason we check
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* if the OpenGL extension required for the function we are looking up is supported. */
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/* Check if the extension is part of the GL extension string to see if it is supported. */
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if(strstr(gl_ext_string, extension) != NULL)
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return TRUE;
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/* In general an OpenGL function starts as an ARB/EXT extension and at some stage
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* it becomes part of the core OpenGL library and can be reached without the ARB/EXT
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* suffix as well. In the extension table, these functions contain GL_VERSION_major_minor.
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* Check if we are searching for a core GL function */
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if(strncmp(extension, "GL_VERSION_", 11) == 0)
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{
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const GLubyte *gl_version = glGetString(GL_VERSION);
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const char *version = extension + 11; /* Move past 'GL_VERSION_' */
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if(!gl_version) {
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ERR("Error no OpenGL version found,\n");
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return FALSE;
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}
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/* Compare the major/minor version numbers of the native OpenGL library and what is required by the function.
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* The gl_version string is guaranteed to have at least a major/minor and sometimes it has a release number as well. */
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if( (gl_version[0] >= version[0]) || ((gl_version[0] == version[0]) && (gl_version[2] >= version[2])) ) {
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return TRUE;
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}
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WARN("The function requires OpenGL version '%c.%c' while your drivers only provide '%c.%c'\n", version[0], version[2], gl_version[0], gl_version[2]);
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}
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return FALSE;
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}
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/***********************************************************************
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* wglGetProcAddress (OPENGL32.@)
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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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if(lpszProc == NULL)
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return NULL;
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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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/* 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 or an unknown GL extension. */
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if (ext_ret == NULL) {
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/* If the function name starts with a w it is a WGL extension */
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if(lpszProc[0] == 'w')
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return wine_wgl.p_wglGetProcAddress(lpszProc);
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/* We are dealing with an unknown GL extension. */
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WARN("Extension '%s' not defined in opengl32.dll's function table!\n", lpszProc);
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return NULL;
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} else { /* We are looking for an OpenGL extension */
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/* Check if the GL extension required by the function is available */
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if(!is_extension_supported(ext_ret->extension)) {
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WARN("Extension '%s' required by function '%s' not supported!\n", ext_ret->extension, lpszProc);
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}
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local_func = wine_wgl.p_wglGetProcAddress(ext_ret->name);
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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, ext_ret->name, strlen(ext_ret->name) - 3);
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buf[strlen(ext_ret->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, ext_ret->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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* 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 SONAME_LIBGLU
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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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static 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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}
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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 /* SONAME_LIBGLU */
|
|
|
|
static 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 /* SONAME_LIBGLU */
|
|
|
|
/***********************************************************************
|
|
* 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);
|
|
}
|
|
|
|
/***********************************************************************
|
|
* glFinish (OPENGL32.@)
|
|
*/
|
|
void WINAPI wine_glFinish( void )
|
|
{
|
|
TRACE("()\n");
|
|
wine_wgl.p_wglFinish();
|
|
}
|
|
|
|
/***********************************************************************
|
|
* glFlush (OPENGL32.@)
|
|
*/
|
|
void WINAPI wine_glFlush( void )
|
|
{
|
|
TRACE("()\n");
|
|
wine_wgl.p_wglFlush();
|
|
}
|
|
|
|
/***********************************************************************
|
|
* glGetString (OPENGL32.@)
|
|
*/
|
|
const GLubyte * WINAPI wine_glGetString( GLenum name )
|
|
{
|
|
const GLubyte *ret;
|
|
const char* GL_Extensions = NULL;
|
|
|
|
if (GL_EXTENSIONS != name) {
|
|
ENTER_GL();
|
|
ret = glGetString(name);
|
|
LEAVE_GL();
|
|
return ret;
|
|
}
|
|
|
|
if (NULL == internal_gl_extensions) {
|
|
ENTER_GL();
|
|
GL_Extensions = (const char *) glGetString(GL_EXTENSIONS);
|
|
|
|
if (GL_Extensions)
|
|
{
|
|
size_t len = strlen(GL_Extensions);
|
|
internal_gl_extensions = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len + 2);
|
|
|
|
TRACE("GL_EXTENSIONS reported:\n");
|
|
while (*GL_Extensions != 0x00) {
|
|
const char* Start = GL_Extensions;
|
|
char ThisExtn[256];
|
|
|
|
while (*GL_Extensions != ' ' && *GL_Extensions != 0x00) {
|
|
GL_Extensions++;
|
|
}
|
|
memcpy(ThisExtn, Start, (GL_Extensions - Start));
|
|
ThisExtn[GL_Extensions - Start] = 0;
|
|
TRACE("- %s:", ThisExtn);
|
|
|
|
/* test if supported API is disabled by config */
|
|
if (!internal_gl_disabled_extensions || !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++;
|
|
}
|
|
}
|
|
LEAVE_GL();
|
|
}
|
|
return (const GLubyte *) internal_gl_extensions;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* glGetIntegerv (OPENGL32.@)
|
|
*/
|
|
void WINAPI wine_glGetIntegerv( GLenum pname, GLint* params )
|
|
{
|
|
wine_wgl.p_wglGetIntegerv(pname, params);
|
|
}
|
|
|
|
|
|
/* This is for brain-dead applications that use OpenGL functions before even
|
|
creating a rendering context.... */
|
|
static BOOL process_attach(void)
|
|
{
|
|
HMODULE mod_x11, mod_gdi32;
|
|
DWORD size;
|
|
HKEY hkey = 0;
|
|
|
|
GetDesktopWindow(); /* make sure winex11 is loaded (FIXME) */
|
|
mod_x11 = GetModuleHandleA( "winex11.drv" );
|
|
mod_gdi32 = GetModuleHandleA( "gdi32.dll" );
|
|
|
|
if (!mod_x11 || !mod_gdi32)
|
|
{
|
|
ERR("X11DRV or GDI32 not loaded. Cannot create default context.\n");
|
|
return FALSE;
|
|
}
|
|
|
|
wine_tsx11_lock_ptr = (void *)GetProcAddress( mod_x11, "wine_tsx11_lock" );
|
|
wine_tsx11_unlock_ptr = (void *)GetProcAddress( mod_x11, "wine_tsx11_unlock" );
|
|
|
|
wine_wgl.p_wglGetProcAddress = (void *)GetProcAddress(mod_gdi32, "wglGetProcAddress");
|
|
|
|
/* Interal WGL function */
|
|
wine_wgl.p_wglGetIntegerv = (void *)wine_wgl.p_wglGetProcAddress("wglGetIntegerv");
|
|
wine_wgl.p_wglFinish = (void *)wine_wgl.p_wglGetProcAddress("wglFinish");
|
|
wine_wgl.p_wglFlush = (void *)wine_wgl.p_wglGetProcAddress("wglFlush");
|
|
|
|
if (!RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\OpenGL", &hkey)) {
|
|
if (!RegQueryValueExA( hkey, "DisabledExtensions", 0, NULL, NULL, &size)) {
|
|
internal_gl_disabled_extensions = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
|
|
RegQueryValueExA( hkey, "DisabledExtensions", 0, NULL, (LPBYTE)internal_gl_disabled_extensions, &size);
|
|
TRACE("found DisabledExtensions=%s\n", debugstr_a(internal_gl_disabled_extensions));
|
|
}
|
|
RegCloseKey(hkey);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/**********************************************************************/
|
|
|
|
static void process_detach(void)
|
|
{
|
|
HeapFree(GetProcessHeap(), 0, internal_gl_extensions);
|
|
HeapFree(GetProcessHeap(), 0, internal_gl_disabled_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;
|
|
}
|