/* * X11DRV OpenGL functions * * Copyright 2000 Lionel Ulmer * Copyright 2005 Alex Woods * Copyright 2005 Raphael Junqueira * Copyright 2006-2009 Roderick Colenbrander * Copyright 2006 Tomas Carnecky * Copyright 2012 Alexandre Julliard * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #if 0 #pragma makedep unix #endif #include "config.h" #include #include #include #include #include #ifdef HAVE_SYS_UN_H #include #endif #include "x11drv.h" #include "xcomposite.h" #include "winternl.h" #include "wine/debug.h" #ifdef SONAME_LIBGL WINE_DEFAULT_DEBUG_CHANNEL(wgl); WINE_DECLARE_DEBUG_CHANNEL(winediag); #include "wine/wgl.h" #include "wine/wgl_driver.h" typedef struct __GLXcontextRec *GLXContext; typedef struct __GLXFBConfigRec *GLXFBConfig; typedef XID GLXPixmap; typedef XID GLXDrawable; typedef XID GLXFBConfigID; typedef XID GLXContextID; typedef XID GLXWindow; typedef XID GLXPbuffer; #define GLX_USE_GL 1 #define GLX_BUFFER_SIZE 2 #define GLX_LEVEL 3 #define GLX_RGBA 4 #define GLX_DOUBLEBUFFER 5 #define GLX_STEREO 6 #define GLX_AUX_BUFFERS 7 #define GLX_RED_SIZE 8 #define GLX_GREEN_SIZE 9 #define GLX_BLUE_SIZE 10 #define GLX_ALPHA_SIZE 11 #define GLX_DEPTH_SIZE 12 #define GLX_STENCIL_SIZE 13 #define GLX_ACCUM_RED_SIZE 14 #define GLX_ACCUM_GREEN_SIZE 15 #define GLX_ACCUM_BLUE_SIZE 16 #define GLX_ACCUM_ALPHA_SIZE 17 #define GLX_BAD_SCREEN 1 #define GLX_BAD_ATTRIBUTE 2 #define GLX_NO_EXTENSION 3 #define GLX_BAD_VISUAL 4 #define GLX_BAD_CONTEXT 5 #define GLX_BAD_VALUE 6 #define GLX_BAD_ENUM 7 #define GLX_VENDOR 1 #define GLX_VERSION 2 #define GLX_EXTENSIONS 3 #define GLX_CONFIG_CAVEAT 0x20 #define GLX_DONT_CARE 0xFFFFFFFF #define GLX_X_VISUAL_TYPE 0x22 #define GLX_TRANSPARENT_TYPE 0x23 #define GLX_TRANSPARENT_INDEX_VALUE 0x24 #define GLX_TRANSPARENT_RED_VALUE 0x25 #define GLX_TRANSPARENT_GREEN_VALUE 0x26 #define GLX_TRANSPARENT_BLUE_VALUE 0x27 #define GLX_TRANSPARENT_ALPHA_VALUE 0x28 #define GLX_WINDOW_BIT 0x00000001 #define GLX_PIXMAP_BIT 0x00000002 #define GLX_PBUFFER_BIT 0x00000004 #define GLX_AUX_BUFFERS_BIT 0x00000010 #define GLX_FRONT_LEFT_BUFFER_BIT 0x00000001 #define GLX_FRONT_RIGHT_BUFFER_BIT 0x00000002 #define GLX_BACK_LEFT_BUFFER_BIT 0x00000004 #define GLX_BACK_RIGHT_BUFFER_BIT 0x00000008 #define GLX_DEPTH_BUFFER_BIT 0x00000020 #define GLX_STENCIL_BUFFER_BIT 0x00000040 #define GLX_ACCUM_BUFFER_BIT 0x00000080 #define GLX_NONE 0x8000 #define GLX_SLOW_CONFIG 0x8001 #define GLX_TRUE_COLOR 0x8002 #define GLX_DIRECT_COLOR 0x8003 #define GLX_PSEUDO_COLOR 0x8004 #define GLX_STATIC_COLOR 0x8005 #define GLX_GRAY_SCALE 0x8006 #define GLX_STATIC_GRAY 0x8007 #define GLX_TRANSPARENT_RGB 0x8008 #define GLX_TRANSPARENT_INDEX 0x8009 #define GLX_VISUAL_ID 0x800B #define GLX_SCREEN 0x800C #define GLX_NON_CONFORMANT_CONFIG 0x800D #define GLX_DRAWABLE_TYPE 0x8010 #define GLX_RENDER_TYPE 0x8011 #define GLX_X_RENDERABLE 0x8012 #define GLX_FBCONFIG_ID 0x8013 #define GLX_RGBA_TYPE 0x8014 #define GLX_COLOR_INDEX_TYPE 0x8015 #define GLX_MAX_PBUFFER_WIDTH 0x8016 #define GLX_MAX_PBUFFER_HEIGHT 0x8017 #define GLX_MAX_PBUFFER_PIXELS 0x8018 #define GLX_PRESERVED_CONTENTS 0x801B #define GLX_LARGEST_PBUFFER 0x801C #define GLX_WIDTH 0x801D #define GLX_HEIGHT 0x801E #define GLX_EVENT_MASK 0x801F #define GLX_DAMAGED 0x8020 #define GLX_SAVED 0x8021 #define GLX_WINDOW 0x8022 #define GLX_PBUFFER 0x8023 #define GLX_PBUFFER_HEIGHT 0x8040 #define GLX_PBUFFER_WIDTH 0x8041 #define GLX_SWAP_METHOD_OML 0x8060 #define GLX_SWAP_EXCHANGE_OML 0x8061 #define GLX_SWAP_COPY_OML 0x8062 #define GLX_SWAP_UNDEFINED_OML 0x8063 #define GLX_RGBA_BIT 0x00000001 #define GLX_COLOR_INDEX_BIT 0x00000002 #define GLX_PBUFFER_CLOBBER_MASK 0x08000000 /** GLX_ARB_multisample */ #define GLX_SAMPLE_BUFFERS_ARB 100000 #define GLX_SAMPLES_ARB 100001 /** GLX_ARB_framebuffer_sRGB */ #define GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT 0x20B2 /** GLX_EXT_fbconfig_packed_float */ #define GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT 0x20B1 #define GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT 0x00000008 /** GLX_ARB_create_context */ #define GLX_CONTEXT_MAJOR_VERSION_ARB 0x2091 #define GLX_CONTEXT_MINOR_VERSION_ARB 0x2092 #define GLX_CONTEXT_FLAGS_ARB 0x2094 /** GLX_ARB_create_context_no_error */ #define GLX_CONTEXT_OPENGL_NO_ERROR_ARB 0x31B3 /** GLX_ARB_create_context_profile */ #define GLX_CONTEXT_PROFILE_MASK_ARB 0x9126 /** GLX_ATI_pixel_format_float */ #define GLX_RGBA_FLOAT_ATI_BIT 0x00000100 /** GLX_ARB_pixel_format_float */ #define GLX_RGBA_FLOAT_BIT 0x00000004 #define GLX_RGBA_FLOAT_TYPE 0x20B9 /** GLX_MESA_query_renderer */ #define GLX_RENDERER_ID_MESA 0x818E /** GLX_NV_float_buffer */ #define GLX_FLOAT_COMPONENTS_NV 0x20B0 static char *glExtensions; static const char *glxExtensions; static char wglExtensions[4096]; static int glxVersion[2]; static int glx_opcode; struct wgl_pixel_format { GLXFBConfig fbconfig; XVisualInfo *visual; int fmt_id; int render_type; DWORD dwFlags; /* We store some PFD_* flags in here for emulated bitmap formats */ }; struct wgl_context { HDC hdc; BOOL has_been_current; BOOL sharing; BOOL gl3_context; const struct wgl_pixel_format *fmt; int numAttribs; /* This is needed for delaying wglCreateContextAttribsARB */ int attribList[16]; /* This is needed for delaying wglCreateContextAttribsARB */ GLXContext ctx; struct gl_drawable *drawables[2]; struct gl_drawable *new_drawables[2]; BOOL refresh_drawables; struct list entry; }; struct wgl_pbuffer { Drawable drawable; const struct wgl_pixel_format* fmt; int width; int height; int* attribList; int use_render_texture; /* This is also the internal texture format */ int texture_bind_target; int texture_bpp; GLint texture_format; GLuint texture_target; GLenum texture_type; GLuint texture; int texture_level; GLXContext tmp_context; GLXContext prev_context; struct list entry; }; enum dc_gl_type { DC_GL_NONE, /* no GL support (pixel format not set yet) */ DC_GL_WINDOW, /* normal top-level window */ DC_GL_CHILD_WIN, /* child window using XComposite */ DC_GL_PIXMAP_WIN, /* child window using intermediate pixmap */ DC_GL_PBUFFER /* pseudo memory DC using a PBuffer */ }; struct gl_drawable { LONG ref; /* reference count */ enum dc_gl_type type; /* type of GL surface */ GLXDrawable drawable; /* drawable for rendering with GL */ Window window; /* window if drawable is a GLXWindow */ Pixmap pixmap; /* base pixmap if drawable is a GLXPixmap */ const struct wgl_pixel_format *format; /* pixel format for the drawable */ SIZE pixmap_size; /* pixmap size for GLXPixmap drawables */ int swap_interval; BOOL refresh_swap_interval; BOOL mutable_pf; }; enum glx_swap_control_method { GLX_SWAP_CONTROL_NONE, GLX_SWAP_CONTROL_EXT, GLX_SWAP_CONTROL_SGI, GLX_SWAP_CONTROL_MESA }; /* X context to associate a struct gl_drawable to an hwnd */ static XContext gl_hwnd_context; /* X context to associate a struct gl_drawable to a pbuffer hdc */ static XContext gl_pbuffer_context; static struct list context_list = LIST_INIT( context_list ); static struct list pbuffer_list = LIST_INIT( pbuffer_list ); static struct wgl_pixel_format *pixel_formats; static int nb_pixel_formats, nb_onscreen_formats; static BOOL use_render_texture_emulation = TRUE; /* Selects the preferred GLX swap control method for use by wglSwapIntervalEXT */ static enum glx_swap_control_method swap_control_method = GLX_SWAP_CONTROL_NONE; /* Set when GLX_EXT_swap_control_tear is supported, requires GLX_SWAP_CONTROL_EXT */ static BOOL has_swap_control_tear = FALSE; static BOOL has_swap_method = FALSE; static pthread_mutex_t context_mutex = PTHREAD_MUTEX_INITIALIZER; static const BOOL is_win64 = sizeof(void *) > sizeof(int); static struct opengl_funcs opengl_funcs; #define USE_GL_FUNC(name) #name, static const char *opengl_func_names[] = { ALL_WGL_FUNCS }; #undef USE_GL_FUNC static void X11DRV_WineGL_LoadExtensions(void); static void init_pixel_formats( Display *display ); static BOOL glxRequireVersion(int requiredVersion); static void dump_PIXELFORMATDESCRIPTOR(const PIXELFORMATDESCRIPTOR *ppfd) { TRACE( "size %u version %u flags %u type %u color %u %u,%u,%u,%u " "accum %u depth %u stencil %u aux %u ", ppfd->nSize, ppfd->nVersion, ppfd->dwFlags, ppfd->iPixelType, ppfd->cColorBits, ppfd->cRedBits, ppfd->cGreenBits, ppfd->cBlueBits, ppfd->cAlphaBits, ppfd->cAccumBits, ppfd->cDepthBits, ppfd->cStencilBits, ppfd->cAuxBuffers ); #define TEST_AND_DUMP(t,tv) if ((t) & (tv)) TRACE(#tv " ") TEST_AND_DUMP(ppfd->dwFlags, PFD_DEPTH_DONTCARE); TEST_AND_DUMP(ppfd->dwFlags, PFD_DOUBLEBUFFER); TEST_AND_DUMP(ppfd->dwFlags, PFD_DOUBLEBUFFER_DONTCARE); TEST_AND_DUMP(ppfd->dwFlags, PFD_DRAW_TO_WINDOW); TEST_AND_DUMP(ppfd->dwFlags, PFD_DRAW_TO_BITMAP); TEST_AND_DUMP(ppfd->dwFlags, PFD_GENERIC_ACCELERATED); TEST_AND_DUMP(ppfd->dwFlags, PFD_GENERIC_FORMAT); TEST_AND_DUMP(ppfd->dwFlags, PFD_NEED_PALETTE); TEST_AND_DUMP(ppfd->dwFlags, PFD_NEED_SYSTEM_PALETTE); TEST_AND_DUMP(ppfd->dwFlags, PFD_STEREO); TEST_AND_DUMP(ppfd->dwFlags, PFD_STEREO_DONTCARE); TEST_AND_DUMP(ppfd->dwFlags, PFD_SUPPORT_GDI); TEST_AND_DUMP(ppfd->dwFlags, PFD_SUPPORT_OPENGL); TEST_AND_DUMP(ppfd->dwFlags, PFD_SWAP_COPY); TEST_AND_DUMP(ppfd->dwFlags, PFD_SWAP_EXCHANGE); TEST_AND_DUMP(ppfd->dwFlags, PFD_SWAP_LAYER_BUFFERS); /* PFD_SUPPORT_COMPOSITION is new in Vista, it is similar to composition * under X e.g. COMPOSITE + GLX_EXT_TEXTURE_FROM_PIXMAP. */ TEST_AND_DUMP(ppfd->dwFlags, PFD_SUPPORT_COMPOSITION); #undef TEST_AND_DUMP TRACE("\n"); } #define PUSH1(attribs,att) do { attribs[nAttribs++] = (att); } while (0) #define PUSH2(attribs,att,value) do { attribs[nAttribs++] = (att); attribs[nAttribs++] = (value); } while(0) /* GLX 1.0 */ static XVisualInfo* (*pglXChooseVisual)( Display *dpy, int screen, int *attribList ); static GLXContext (*pglXCreateContext)( Display *dpy, XVisualInfo *vis, GLXContext shareList, Bool direct ); static void (*pglXDestroyContext)( Display *dpy, GLXContext ctx ); static Bool (*pglXMakeCurrent)( Display *dpy, GLXDrawable drawable, GLXContext ctx); static void (*pglXCopyContext)( Display *dpy, GLXContext src, GLXContext dst, unsigned long mask ); static void (*pglXSwapBuffers)( Display *dpy, GLXDrawable drawable ); static Bool (*pglXQueryVersion)( Display *dpy, int *maj, int *min ); static Bool (*pglXIsDirect)( Display *dpy, GLXContext ctx ); static GLXContext (*pglXGetCurrentContext)( void ); static GLXDrawable (*pglXGetCurrentDrawable)( void ); /* GLX 1.1 */ static const char *(*pglXQueryExtensionsString)( Display *dpy, int screen ); static const char *(*pglXQueryServerString)( Display *dpy, int screen, int name ); static const char *(*pglXGetClientString)( Display *dpy, int name ); /* GLX 1.3 */ static GLXFBConfig *(*pglXChooseFBConfig)( Display *dpy, int screen, const int *attribList, int *nitems ); static int (*pglXGetFBConfigAttrib)( Display *dpy, GLXFBConfig config, int attribute, int *value ); static GLXFBConfig *(*pglXGetFBConfigs)( Display *dpy, int screen, int *nelements ); static XVisualInfo *(*pglXGetVisualFromFBConfig)( Display *dpy, GLXFBConfig config ); static GLXPbuffer (*pglXCreatePbuffer)( Display *dpy, GLXFBConfig config, const int *attribList ); static void (*pglXDestroyPbuffer)( Display *dpy, GLXPbuffer pbuf ); static void (*pglXQueryDrawable)( Display *dpy, GLXDrawable draw, int attribute, unsigned int *value ); static GLXContext (*pglXCreateNewContext)( Display *dpy, GLXFBConfig config, int renderType, GLXContext shareList, Bool direct ); static Bool (*pglXMakeContextCurrent)( Display *dpy, GLXDrawable draw, GLXDrawable read, GLXContext ctx ); static GLXPixmap (*pglXCreatePixmap)( Display *dpy, GLXFBConfig config, Pixmap pixmap, const int *attrib_list ); static void (*pglXDestroyPixmap)( Display *dpy, GLXPixmap pixmap ); static GLXWindow (*pglXCreateWindow)( Display *dpy, GLXFBConfig config, Window win, const int *attrib_list ); static void (*pglXDestroyWindow)( Display *dpy, GLXWindow win ); /* GLX Extensions */ static GLXContext (*pglXCreateContextAttribsARB)(Display *dpy, GLXFBConfig config, GLXContext share_context, Bool direct, const int *attrib_list); static void* (*pglXGetProcAddressARB)(const GLubyte *); static void (*pglXSwapIntervalEXT)(Display *dpy, GLXDrawable drawable, int interval); static int (*pglXSwapIntervalSGI)(int); /* NV GLX Extension */ static void* (*pglXAllocateMemoryNV)(GLsizei size, GLfloat readfreq, GLfloat writefreq, GLfloat priority); static void (*pglXFreeMemoryNV)(GLvoid *pointer); /* MESA GLX Extensions */ static void (*pglXCopySubBufferMESA)(Display *dpy, GLXDrawable drawable, int x, int y, int width, int height); static int (*pglXSwapIntervalMESA)(unsigned int interval); static Bool (*pglXQueryCurrentRendererIntegerMESA)(int attribute, unsigned int *value); static const char *(*pglXQueryCurrentRendererStringMESA)(int attribute); static Bool (*pglXQueryRendererIntegerMESA)(Display *dpy, int screen, int renderer, int attribute, unsigned int *value); static const char *(*pglXQueryRendererStringMESA)(Display *dpy, int screen, int renderer, int attribute); /* OpenML GLX Extensions */ static Bool (*pglXWaitForSbcOML)( Display *dpy, GLXDrawable drawable, INT64 target_sbc, INT64 *ust, INT64 *msc, INT64 *sbc ); static INT64 (*pglXSwapBuffersMscOML)( Display *dpy, GLXDrawable drawable, INT64 target_msc, INT64 divisor, INT64 remainder ); /* Standard OpenGL */ static void (*pglFinish)(void); static void (*pglFlush)(void); static const GLubyte *(*pglGetString)(GLenum name); static void wglFinish(void); static void wglFlush(void); static const GLubyte *wglGetString(GLenum name); /* check if the extension is present in the list */ static BOOL has_extension( const char *list, const char *ext ) { size_t len = strlen( ext ); while (list) { while (*list == ' ') list++; if (!strncmp( list, ext, len ) && (!list[len] || list[len] == ' ')) return TRUE; list = strchr( list, ' ' ); } return FALSE; } static int GLXErrorHandler(Display *dpy, XErrorEvent *event, void *arg) { /* In the future we might want to find the exact X or GLX error to report back to the app */ if (event->request_code != glx_opcode) return 0; return 1; } static BOOL X11DRV_WineGL_InitOpenglInfo(void) { static const char legacy_extensions[] = " WGL_EXT_extensions_string WGL_EXT_swap_control"; int screen = DefaultScreen(gdi_display); Window win = 0, root = 0; const char *gl_version; const char *gl_renderer; const char* str; BOOL glx_direct; XVisualInfo *vis; GLXContext ctx = NULL; XSetWindowAttributes attr; BOOL ret = FALSE; int attribList[] = {GLX_RGBA, GLX_DOUBLEBUFFER, None}; attr.override_redirect = True; attr.colormap = None; attr.border_pixel = 0; vis = pglXChooseVisual(gdi_display, screen, attribList); if (vis) { #ifdef __i386__ WORD old_fs, new_fs; __asm__( "mov %%fs,%0" : "=r" (old_fs) ); /* Create a GLX Context. Without one we can't query GL information */ ctx = pglXCreateContext(gdi_display, vis, None, GL_TRUE); __asm__( "mov %%fs,%0" : "=r" (new_fs) ); __asm__( "mov %0,%%fs" :: "r" (old_fs) ); if (old_fs != new_fs) { ERR( "%%fs register corrupted, probably broken ATI driver, disabling OpenGL.\n" ); ERR( "You need to set the \"UseFastTls\" option to \"2\" in your X config file.\n" ); goto done; } #else ctx = pglXCreateContext(gdi_display, vis, None, GL_TRUE); #endif } if (!ctx) goto done; root = RootWindow( gdi_display, vis->screen ); if (vis->visual != DefaultVisual( gdi_display, vis->screen )) attr.colormap = XCreateColormap( gdi_display, root, vis->visual, AllocNone ); if ((win = XCreateWindow( gdi_display, root, -1, -1, 1, 1, 0, vis->depth, InputOutput, vis->visual, CWBorderPixel | CWOverrideRedirect | CWColormap, &attr ))) XMapWindow( gdi_display, win ); else win = root; if(pglXMakeCurrent(gdi_display, win, ctx) == 0) { ERR_(winediag)( "Unable to activate OpenGL context, most likely your %s OpenGL drivers haven't been " "installed correctly\n", is_win64 ? "64-bit" : "32-bit" ); goto done; } gl_renderer = (const char *)opengl_funcs.gl.p_glGetString(GL_RENDERER); gl_version = (const char *)opengl_funcs.gl.p_glGetString(GL_VERSION); str = (const char *) opengl_funcs.gl.p_glGetString(GL_EXTENSIONS); glExtensions = malloc( strlen(str) + sizeof(legacy_extensions) ); strcpy(glExtensions, str); strcat(glExtensions, legacy_extensions); /* Get the common GLX version supported by GLX client and server ( major/minor) */ pglXQueryVersion(gdi_display, &glxVersion[0], &glxVersion[1]); glxExtensions = pglXQueryExtensionsString(gdi_display, screen); glx_direct = pglXIsDirect(gdi_display, ctx); TRACE("GL version : %s.\n", gl_version); TRACE("GL renderer : %s.\n", gl_renderer); TRACE("GLX version : %d.%d.\n", glxVersion[0], glxVersion[1]); TRACE("Server GLX version : %s.\n", pglXQueryServerString(gdi_display, screen, GLX_VERSION)); TRACE("Server GLX vendor: : %s.\n", pglXQueryServerString(gdi_display, screen, GLX_VENDOR)); TRACE("Client GLX version : %s.\n", pglXGetClientString(gdi_display, GLX_VERSION)); TRACE("Client GLX vendor: : %s.\n", pglXGetClientString(gdi_display, GLX_VENDOR)); TRACE("Direct rendering enabled: %s\n", glx_direct ? "True" : "False"); if(!glx_direct) { int fd = ConnectionNumber(gdi_display); struct sockaddr_un uaddr; unsigned int uaddrlen = sizeof(struct sockaddr_un); /* In general indirect rendering on a local X11 server indicates a driver problem. * Detect a local X11 server by checking whether the X11 socket is a Unix socket. */ if(!getsockname(fd, (struct sockaddr *)&uaddr, &uaddrlen) && uaddr.sun_family == AF_UNIX) ERR_(winediag)("Direct rendering is disabled, most likely your %s OpenGL drivers " "haven't been installed correctly (using GL renderer %s, version %s).\n", is_win64 ? "64-bit" : "32-bit", debugstr_a(gl_renderer), debugstr_a(gl_version)); } else { /* In general you would expect that if direct rendering is returned, that you receive hardware * accelerated OpenGL rendering. The definition of direct rendering is that rendering is performed * client side without sending all GL commands to X using the GLX protocol. When Mesa falls back to * software rendering, it shows direct rendering. * * Depending on the cause of software rendering a different rendering string is shown. In case Mesa fails * to load a DRI module 'Software Rasterizer' is returned. When Mesa is compiled as a OpenGL reference driver * it shows 'Mesa X11'. */ if(!strcmp(gl_renderer, "Software Rasterizer") || !strcmp(gl_renderer, "Mesa X11")) ERR_(winediag)("The Mesa OpenGL driver is using software rendering, most likely your %s OpenGL " "drivers haven't been installed correctly (using GL renderer %s, version %s).\n", is_win64 ? "64-bit" : "32-bit", debugstr_a(gl_renderer), debugstr_a(gl_version)); } ret = TRUE; done: if(vis) XFree(vis); if(ctx) { pglXMakeCurrent(gdi_display, None, NULL); pglXDestroyContext(gdi_display, ctx); } if (win != root) XDestroyWindow( gdi_display, win ); if (attr.colormap) XFreeColormap( gdi_display, attr.colormap ); if (!ret) ERR(" couldn't initialize OpenGL, expect problems\n"); return ret; } static void *opengl_handle; static void init_opengl(void) { int error_base, event_base; unsigned int i; /* No need to load any other libraries as according to the ABI, libGL should be self-sufficient and include all dependencies */ opengl_handle = dlopen( SONAME_LIBGL, RTLD_NOW | RTLD_GLOBAL ); if (opengl_handle == NULL) { ERR( "Failed to load libGL: %s\n", dlerror() ); ERR( "OpenGL support is disabled.\n"); return; } for (i = 0; i < ARRAY_SIZE( opengl_func_names ); i++) { if (!(((void **)&opengl_funcs.gl)[i] = dlsym( opengl_handle, opengl_func_names[i] ))) { ERR( "%s not found in libGL, disabling OpenGL.\n", opengl_func_names[i] ); goto failed; } } /* redirect some standard OpenGL functions */ #define REDIRECT(func) \ do { p##func = opengl_funcs.gl.p_##func; opengl_funcs.gl.p_##func = w##func; } while(0) REDIRECT( glFinish ); REDIRECT( glFlush ); REDIRECT( glGetString ); #undef REDIRECT pglXGetProcAddressARB = dlsym(opengl_handle, "glXGetProcAddressARB"); if (pglXGetProcAddressARB == NULL) { ERR("Could not find glXGetProcAddressARB in libGL, disabling OpenGL.\n"); goto failed; } #define LOAD_FUNCPTR(f) do if((p##f = (void*)pglXGetProcAddressARB((const unsigned char*)#f)) == NULL) \ { \ ERR( "%s not found in libGL, disabling OpenGL.\n", #f ); \ goto failed; \ } while(0) /* GLX 1.0 */ LOAD_FUNCPTR(glXChooseVisual); LOAD_FUNCPTR(glXCopyContext); LOAD_FUNCPTR(glXCreateContext); LOAD_FUNCPTR(glXGetCurrentContext); LOAD_FUNCPTR(glXGetCurrentDrawable); LOAD_FUNCPTR(glXDestroyContext); LOAD_FUNCPTR(glXIsDirect); LOAD_FUNCPTR(glXMakeCurrent); LOAD_FUNCPTR(glXSwapBuffers); LOAD_FUNCPTR(glXQueryVersion); /* GLX 1.1 */ LOAD_FUNCPTR(glXGetClientString); LOAD_FUNCPTR(glXQueryExtensionsString); LOAD_FUNCPTR(glXQueryServerString); /* GLX 1.3 */ LOAD_FUNCPTR(glXCreatePbuffer); LOAD_FUNCPTR(glXCreateNewContext); LOAD_FUNCPTR(glXDestroyPbuffer); LOAD_FUNCPTR(glXMakeContextCurrent); LOAD_FUNCPTR(glXGetFBConfigs); LOAD_FUNCPTR(glXCreatePixmap); LOAD_FUNCPTR(glXDestroyPixmap); LOAD_FUNCPTR(glXCreateWindow); LOAD_FUNCPTR(glXDestroyWindow); #undef LOAD_FUNCPTR /* It doesn't matter if these fail. They'll only be used if the driver reports the associated extension is available (and if a driver reports the extension is available but fails to provide the functions, it's quite broken) */ #define LOAD_FUNCPTR(f) p##f = pglXGetProcAddressARB((const GLubyte *)#f) /* ARB GLX Extension */ LOAD_FUNCPTR(glXCreateContextAttribsARB); /* EXT GLX Extension */ LOAD_FUNCPTR(glXSwapIntervalEXT); /* MESA GLX Extension */ LOAD_FUNCPTR(glXSwapIntervalMESA); /* SGI GLX Extension */ LOAD_FUNCPTR(glXSwapIntervalSGI); /* NV GLX Extension */ LOAD_FUNCPTR(glXAllocateMemoryNV); LOAD_FUNCPTR(glXFreeMemoryNV); #undef LOAD_FUNCPTR if(!X11DRV_WineGL_InitOpenglInfo()) goto failed; if (XQueryExtension( gdi_display, "GLX", &glx_opcode, &event_base, &error_base )) { TRACE("GLX is up and running error_base = %d\n", error_base); } else { ERR( "GLX extension is missing, disabling OpenGL.\n" ); goto failed; } gl_hwnd_context = XUniqueContext(); gl_pbuffer_context = XUniqueContext(); /* In case of GLX you have direct and indirect rendering. Most of the time direct rendering is used * as in general only that is hardware accelerated. In some cases like in case of remote X indirect * rendering is used. * * The main problem for our OpenGL code is that we need certain GLX calls but their presence * depends on the reported GLX client / server version and on the client / server extension list. * Those don't have to be the same. * * In general the server GLX information lists the capabilities in case of indirect rendering. * When direct rendering is used, the OpenGL client library is responsible for which GLX calls are * available and in that case the client GLX informat can be used. * OpenGL programs should use the 'intersection' of both sets of information which is advertised * in the GLX version/extension list. When a program does this it works for certain for both * direct and indirect rendering. * * The problem we are having in this area is that ATI's Linux drivers are broken. For some reason * they haven't added some very important GLX extensions like GLX_SGIX_fbconfig to their client * extension list which causes this extension not to be listed. (Wine requires this extension). * ATI advertises a GLX client version of 1.3 which implies that this fbconfig extension among * pbuffers is around. * * In order to provide users of Ati's proprietary drivers with OpenGL support, we need to detect * the ATI drivers and from then on use GLX client information for them. */ if(glxRequireVersion(3)) { pglXChooseFBConfig = pglXGetProcAddressARB((const GLubyte *) "glXChooseFBConfig"); pglXGetFBConfigAttrib = pglXGetProcAddressARB((const GLubyte *) "glXGetFBConfigAttrib"); pglXGetVisualFromFBConfig = pglXGetProcAddressARB((const GLubyte *) "glXGetVisualFromFBConfig"); pglXQueryDrawable = pglXGetProcAddressARB((const GLubyte *) "glXQueryDrawable"); } else if (has_extension( glxExtensions, "GLX_SGIX_fbconfig")) { pglXChooseFBConfig = pglXGetProcAddressARB((const GLubyte *) "glXChooseFBConfigSGIX"); pglXGetFBConfigAttrib = pglXGetProcAddressARB((const GLubyte *) "glXGetFBConfigAttribSGIX"); pglXGetVisualFromFBConfig = pglXGetProcAddressARB((const GLubyte *) "glXGetVisualFromFBConfigSGIX"); /* The mesa libGL client library seems to forward glXQueryDrawable to the Xserver, so only * enable this function when the Xserver understand GLX 1.3 or newer */ pglXQueryDrawable = NULL; } else if(strcmp("ATI", pglXGetClientString(gdi_display, GLX_VENDOR)) == 0) { TRACE("Overriding ATI GLX capabilities!\n"); pglXChooseFBConfig = pglXGetProcAddressARB((const GLubyte *) "glXChooseFBConfig"); pglXGetFBConfigAttrib = pglXGetProcAddressARB((const GLubyte *) "glXGetFBConfigAttrib"); pglXGetVisualFromFBConfig = pglXGetProcAddressARB((const GLubyte *) "glXGetVisualFromFBConfig"); pglXQueryDrawable = pglXGetProcAddressARB((const GLubyte *) "glXQueryDrawable"); /* Use client GLX information in case of the ATI drivers. We override the * capabilities over here and not somewhere else as ATI might better their * life in the future. In case they release proper drivers this block of * code won't be called. */ glxExtensions = pglXGetClientString(gdi_display, GLX_EXTENSIONS); } else { ERR(" glx_version is %s and GLX_SGIX_fbconfig extension is unsupported. Expect problems.\n", pglXQueryServerString(gdi_display, DefaultScreen(gdi_display), GLX_VERSION)); } if (has_extension( glxExtensions, "GLX_MESA_copy_sub_buffer")) { pglXCopySubBufferMESA = pglXGetProcAddressARB((const GLubyte *) "glXCopySubBufferMESA"); } if (has_extension( glxExtensions, "GLX_MESA_query_renderer" )) { pglXQueryCurrentRendererIntegerMESA = pglXGetProcAddressARB( (const GLubyte *)"glXQueryCurrentRendererIntegerMESA" ); pglXQueryCurrentRendererStringMESA = pglXGetProcAddressARB( (const GLubyte *)"glXQueryCurrentRendererStringMESA" ); pglXQueryRendererIntegerMESA = pglXGetProcAddressARB( (const GLubyte *)"glXQueryRendererIntegerMESA" ); pglXQueryRendererStringMESA = pglXGetProcAddressARB( (const GLubyte *)"glXQueryRendererStringMESA" ); } if (has_extension( glxExtensions, "GLX_OML_sync_control" )) { pglXWaitForSbcOML = pglXGetProcAddressARB( (const GLubyte *)"glXWaitForSbcOML" ); pglXSwapBuffersMscOML = pglXGetProcAddressARB( (const GLubyte *)"glXSwapBuffersMscOML" ); } X11DRV_WineGL_LoadExtensions(); init_pixel_formats( gdi_display ); return; failed: dlclose(opengl_handle); opengl_handle = NULL; } static BOOL has_opengl(void) { static pthread_once_t init_once = PTHREAD_ONCE_INIT; return !pthread_once( &init_once, init_opengl ); } static const char *debugstr_fbconfig( GLXFBConfig fbconfig ) { int id, visual, drawable; if (pglXGetFBConfigAttrib( gdi_display, fbconfig, GLX_FBCONFIG_ID, &id )) return "*** invalid fbconfig"; pglXGetFBConfigAttrib( gdi_display, fbconfig, GLX_VISUAL_ID, &visual ); pglXGetFBConfigAttrib( gdi_display, fbconfig, GLX_DRAWABLE_TYPE, &drawable ); return wine_dbg_sprintf( "fbconfig %#x visual id %#x drawable type %#x", id, visual, drawable ); } static int ConvertAttribWGLtoGLX(const int* iWGLAttr, int* oGLXAttr, struct wgl_pbuffer* pbuf) { int nAttribs = 0; unsigned cur = 0; int attr, pop; int drawattrib = 0; int nvfloatattrib = GLX_DONT_CARE; int pixelattrib = GLX_DONT_CARE; /* The list of WGL attributes is allowed to be NULL. We don't return here for NULL * because we need to do fixups for GLX_DRAWABLE_TYPE/GLX_RENDER_TYPE/GLX_FLOAT_COMPONENTS_NV. */ while (iWGLAttr && 0 != iWGLAttr[cur]) { attr = iWGLAttr[cur]; TRACE("pAttr[%d] = %x\n", cur, attr); pop = iWGLAttr[++cur]; switch (attr) { case WGL_AUX_BUFFERS_ARB: PUSH2(oGLXAttr, GLX_AUX_BUFFERS, pop); TRACE("pAttr[%d] = GLX_AUX_BUFFERS: %d\n", cur, pop); break; case WGL_COLOR_BITS_ARB: PUSH2(oGLXAttr, GLX_BUFFER_SIZE, pop); TRACE("pAttr[%d] = GLX_BUFFER_SIZE: %d\n", cur, pop); break; case WGL_BLUE_BITS_ARB: PUSH2(oGLXAttr, GLX_BLUE_SIZE, pop); TRACE("pAttr[%d] = GLX_BLUE_SIZE: %d\n", cur, pop); break; case WGL_RED_BITS_ARB: PUSH2(oGLXAttr, GLX_RED_SIZE, pop); TRACE("pAttr[%d] = GLX_RED_SIZE: %d\n", cur, pop); break; case WGL_GREEN_BITS_ARB: PUSH2(oGLXAttr, GLX_GREEN_SIZE, pop); TRACE("pAttr[%d] = GLX_GREEN_SIZE: %d\n", cur, pop); break; case WGL_ALPHA_BITS_ARB: PUSH2(oGLXAttr, GLX_ALPHA_SIZE, pop); TRACE("pAttr[%d] = GLX_ALPHA_SIZE: %d\n", cur, pop); break; case WGL_DEPTH_BITS_ARB: PUSH2(oGLXAttr, GLX_DEPTH_SIZE, pop); TRACE("pAttr[%d] = GLX_DEPTH_SIZE: %d\n", cur, pop); break; case WGL_STENCIL_BITS_ARB: PUSH2(oGLXAttr, GLX_STENCIL_SIZE, pop); TRACE("pAttr[%d] = GLX_STENCIL_SIZE: %d\n", cur, pop); break; case WGL_DOUBLE_BUFFER_ARB: PUSH2(oGLXAttr, GLX_DOUBLEBUFFER, pop); TRACE("pAttr[%d] = GLX_DOUBLEBUFFER: %d\n", cur, pop); break; case WGL_STEREO_ARB: PUSH2(oGLXAttr, GLX_STEREO, pop); TRACE("pAttr[%d] = GLX_STEREO: %d\n", cur, pop); break; case WGL_PIXEL_TYPE_ARB: TRACE("pAttr[%d] = WGL_PIXEL_TYPE_ARB: %d\n", cur, pop); switch (pop) { case WGL_TYPE_COLORINDEX_ARB: pixelattrib = GLX_COLOR_INDEX_BIT; break ; case WGL_TYPE_RGBA_ARB: pixelattrib = GLX_RGBA_BIT; break ; /* This is the same as WGL_TYPE_RGBA_FLOAT_ATI but the GLX constants differ, only the ARB GLX one is widely supported so use that */ case WGL_TYPE_RGBA_FLOAT_ATI: pixelattrib = GLX_RGBA_FLOAT_BIT; break ; case WGL_TYPE_RGBA_UNSIGNED_FLOAT_EXT: pixelattrib = GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT; break ; default: ERR("unexpected PixelType(%x)\n", pop); } break; case WGL_SUPPORT_GDI_ARB: /* This flag is set in a pixel format */ TRACE("pAttr[%d] = WGL_SUPPORT_GDI_ARB: %d\n", cur, pop); break; case WGL_DRAW_TO_BITMAP_ARB: /* This flag is set in a pixel format */ TRACE("pAttr[%d] = WGL_DRAW_TO_BITMAP_ARB: %d\n", cur, pop); break; case WGL_DRAW_TO_WINDOW_ARB: TRACE("pAttr[%d] = WGL_DRAW_TO_WINDOW_ARB: %d\n", cur, pop); /* GLX_DRAWABLE_TYPE flags need to be OR'd together. See below. */ if (pop) { drawattrib |= GLX_WINDOW_BIT; } break; case WGL_DRAW_TO_PBUFFER_ARB: TRACE("pAttr[%d] = WGL_DRAW_TO_PBUFFER_ARB: %d\n", cur, pop); /* GLX_DRAWABLE_TYPE flags need to be OR'd together. See below. */ if (pop) { drawattrib |= GLX_PBUFFER_BIT; } break; case WGL_ACCELERATION_ARB: /* This flag is set in a pixel format */ TRACE("pAttr[%d] = WGL_ACCELERATION_ARB: %d\n", cur, pop); break; case WGL_SUPPORT_OPENGL_ARB: /** nothing to do, if we are here, supposing support Accelerated OpenGL */ TRACE("pAttr[%d] = WGL_SUPPORT_OPENGL_ARB: %d\n", cur, pop); break; case WGL_SWAP_METHOD_ARB: TRACE("pAttr[%d] = WGL_SWAP_METHOD_ARB: %#x\n", cur, pop); if (has_swap_method) { switch (pop) { case WGL_SWAP_EXCHANGE_ARB: pop = GLX_SWAP_EXCHANGE_OML; break; case WGL_SWAP_COPY_ARB: pop = GLX_SWAP_COPY_OML; break; case WGL_SWAP_UNDEFINED_ARB: pop = GLX_SWAP_UNDEFINED_OML; break; default: ERR("Unexpected swap method %#x.\n", pop); pop = GLX_DONT_CARE; } PUSH2(oGLXAttr, GLX_SWAP_METHOD_OML, pop); } else { WARN("GLX_OML_swap_method not supported, ignoring attribute.\n"); } break; case WGL_PBUFFER_LARGEST_ARB: PUSH2(oGLXAttr, GLX_LARGEST_PBUFFER, pop); TRACE("pAttr[%d] = GLX_LARGEST_PBUFFER: %x\n", cur, pop); break; case WGL_SAMPLE_BUFFERS_ARB: PUSH2(oGLXAttr, GLX_SAMPLE_BUFFERS_ARB, pop); TRACE("pAttr[%d] = GLX_SAMPLE_BUFFERS_ARB: %x\n", cur, pop); break; case WGL_SAMPLES_ARB: PUSH2(oGLXAttr, GLX_SAMPLES_ARB, pop); TRACE("pAttr[%d] = GLX_SAMPLES_ARB: %x\n", cur, pop); break; case WGL_TEXTURE_FORMAT_ARB: case WGL_TEXTURE_TARGET_ARB: case WGL_MIPMAP_TEXTURE_ARB: TRACE("WGL_render_texture Attributes: %x as %x\n", iWGLAttr[cur - 1], iWGLAttr[cur]); if (NULL == pbuf) { ERR("trying to use GLX_Pbuffer Attributes without Pbuffer (was %x)\n", iWGLAttr[cur]); } if (!use_render_texture_emulation) { if (WGL_NO_TEXTURE_ARB != pop) { ERR("trying to use WGL_render_texture Attributes without support (was %x)\n", iWGLAttr[cur]); return -1; /** error: don't support it */ } else { drawattrib |= GLX_PBUFFER_BIT; } } break ; case WGL_FLOAT_COMPONENTS_NV: nvfloatattrib = pop; TRACE("pAttr[%d] = WGL_FLOAT_COMPONENTS_NV: %x\n", cur, nvfloatattrib); break ; case WGL_BIND_TO_TEXTURE_DEPTH_NV: case WGL_BIND_TO_TEXTURE_RGB_ARB: case WGL_BIND_TO_TEXTURE_RGBA_ARB: case WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_R_NV: case WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RG_NV: case WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RGB_NV: case WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RGBA_NV: /** cannot be converted, see direct handling on * - wglGetPixelFormatAttribivARB * TODO: wglChoosePixelFormat */ break ; case WGL_FRAMEBUFFER_SRGB_CAPABLE_EXT: PUSH2(oGLXAttr, GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT, pop); TRACE("pAttr[%d] = GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT: %x\n", cur, pop); break ; case WGL_TYPE_RGBA_UNSIGNED_FLOAT_EXT: PUSH2(oGLXAttr, GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT, pop); TRACE("pAttr[%d] = GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT: %x\n", cur, pop); break ; default: FIXME("unsupported %x WGL Attribute\n", attr); break; } ++cur; } /* By default glXChooseFBConfig defaults to GLX_WINDOW_BIT. wglChoosePixelFormatARB searches through * all formats. Unless drawattrib is set to a non-zero value override it with GLX_DONT_CARE, so that * pixmap and pbuffer formats appear as well. */ if (!drawattrib) drawattrib = GLX_DONT_CARE; PUSH2(oGLXAttr, GLX_DRAWABLE_TYPE, drawattrib); TRACE("pAttr[?] = GLX_DRAWABLE_TYPE: %#x\n", drawattrib); /* By default glXChooseFBConfig uses GLX_RGBA_BIT as the default value. Since wglChoosePixelFormatARB * searches in all formats we have to do the same. For this reason we set GLX_RENDER_TYPE to * GLX_DONT_CARE unless it is overridden. */ PUSH2(oGLXAttr, GLX_RENDER_TYPE, pixelattrib); TRACE("pAttr[?] = GLX_RENDER_TYPE: %#x\n", pixelattrib); /* Set GLX_FLOAT_COMPONENTS_NV all the time */ if (has_extension(glxExtensions, "GLX_NV_float_buffer")) { PUSH2(oGLXAttr, GLX_FLOAT_COMPONENTS_NV, nvfloatattrib); TRACE("pAttr[?] = GLX_FLOAT_COMPONENTS_NV: %#x\n", nvfloatattrib); } return nAttribs; } static int get_render_type_from_fbconfig(Display *display, GLXFBConfig fbconfig) { int render_type, render_type_bit; pglXGetFBConfigAttrib(display, fbconfig, GLX_RENDER_TYPE, &render_type_bit); switch(render_type_bit) { case GLX_RGBA_BIT: render_type = GLX_RGBA_TYPE; break; case GLX_COLOR_INDEX_BIT: render_type = GLX_COLOR_INDEX_TYPE; break; case GLX_RGBA_FLOAT_BIT: render_type = GLX_RGBA_FLOAT_TYPE; break; case GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT: render_type = GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT; break; default: ERR("Unknown render_type: %x\n", render_type_bit); render_type = 0; } return render_type; } /* Check whether a fbconfig is suitable for Windows-style bitmap rendering */ static BOOL check_fbconfig_bitmap_capability(Display *display, GLXFBConfig fbconfig) { int dbuf, value; pglXGetFBConfigAttrib(display, fbconfig, GLX_DOUBLEBUFFER, &dbuf); pglXGetFBConfigAttrib(gdi_display, fbconfig, GLX_DRAWABLE_TYPE, &value); /* Windows only supports bitmap rendering on single buffered formats, further the fbconfig needs to have * the GLX_PIXMAP_BIT set. */ return !dbuf && (value & GLX_PIXMAP_BIT); } static void init_pixel_formats( Display *display ) { struct wgl_pixel_format *list; int size = 0, onscreen_size = 0; int fmt_id, nCfgs, i, run, bmp_formats; GLXFBConfig* cfgs; XVisualInfo *visinfo; cfgs = pglXGetFBConfigs(display, DefaultScreen(display), &nCfgs); if (NULL == cfgs || 0 == nCfgs) { if(cfgs != NULL) XFree(cfgs); ERR("glXChooseFBConfig returns NULL\n"); return; } /* Bitmap rendering on Windows implies the use of the Microsoft GDI software renderer. * Further most GLX drivers only offer pixmap rendering using indirect rendering (except for modern drivers which support 'AIGLX' / composite). * Indirect rendering can indicate software rendering (on Nvidia it is hw accelerated) * Since bitmap rendering implies the use of software rendering we can safely use indirect rendering for bitmaps. * * Below we count the number of formats which are suitable for bitmap rendering. Windows restricts bitmap rendering to single buffered formats. */ for(i=0, bmp_formats=0; idepth != default_visual.depth) { XFree(visinfo); continue; } TRACE("Found onscreen format FBCONFIG_ID 0x%x corresponding to iPixelFormat %d at GLX index %d\n", fmt_id, size+1, i); list[size].fbconfig = cfgs[i]; list[size].visual = visinfo; list[size].fmt_id = fmt_id; list[size].render_type = get_render_type_from_fbconfig(display, cfgs[i]); list[size].dwFlags = 0; size++; onscreen_size++; /* Clone a format if it is bitmap capable for indirect rendering to bitmaps */ if(check_fbconfig_bitmap_capability(display, cfgs[i])) { TRACE("Found bitmap capable format FBCONFIG_ID 0x%x corresponding to iPixelFormat %d at GLX index %d\n", fmt_id, size+1, i); list[size].fbconfig = cfgs[i]; list[size].visual = visinfo; list[size].fmt_id = fmt_id; list[size].render_type = get_render_type_from_fbconfig(display, cfgs[i]); list[size].dwFlags = PFD_DRAW_TO_BITMAP | PFD_SUPPORT_GDI | PFD_GENERIC_FORMAT; size++; onscreen_size++; } } else if(run && !visinfo) { int window_drawable=0; pglXGetFBConfigAttrib(gdi_display, cfgs[i], GLX_DRAWABLE_TYPE, &window_drawable); /* Recent Nvidia drivers and DRI drivers offer window drawable formats without a visual. * This are formats like 16-bit rgb on a 24-bit desktop. In order to support these formats * onscreen we would have to use glXCreateWindow instead of XCreateWindow. Further it will * likely make our child window opengl rendering more complicated since likely you can't use * XCopyArea on a GLX Window. * For now ignore fbconfigs which are window drawable but lack a visual. */ if(window_drawable & GLX_WINDOW_BIT) { TRACE("Skipping FBCONFIG_ID 0x%x as an offscreen format because it is window_drawable\n", fmt_id); continue; } TRACE("Found offscreen format FBCONFIG_ID 0x%x corresponding to iPixelFormat %d at GLX index %d\n", fmt_id, size+1, i); list[size].fbconfig = cfgs[i]; list[size].fmt_id = fmt_id; list[size].render_type = get_render_type_from_fbconfig(display, cfgs[i]); list[size].dwFlags = 0; size++; } else if (visinfo) XFree(visinfo); } } XFree(cfgs); pixel_formats = list; nb_pixel_formats = size; nb_onscreen_formats = onscreen_size; } static inline BOOL is_valid_pixel_format( int format ) { return format > 0 && format <= nb_pixel_formats; } static inline BOOL is_onscreen_pixel_format( int format ) { return format > 0 && format <= nb_onscreen_formats; } static inline int pixel_format_index( const struct wgl_pixel_format *format ) { return format - pixel_formats + 1; } /* GLX can advertise dozens of different pixelformats including offscreen and onscreen ones. * In our WGL implementation we only support a subset of these formats namely the format of * Wine's main visual and offscreen formats (if they are available). * This function converts a WGL format to its corresponding GLX one. */ static const struct wgl_pixel_format *get_pixel_format(Display *display, int iPixelFormat, BOOL AllowOffscreen) { /* Check if the pixelformat is valid. Note that it is legal to pass an invalid * iPixelFormat in case of probing the number of pixelformats. */ if (is_valid_pixel_format( iPixelFormat ) && (is_onscreen_pixel_format( iPixelFormat ) || AllowOffscreen)) { TRACE("Returning fmt_id=%#x for iPixelFormat=%d\n", pixel_formats[iPixelFormat-1].fmt_id, iPixelFormat); return &pixel_formats[iPixelFormat-1]; } return NULL; } static struct gl_drawable *grab_gl_drawable( struct gl_drawable *gl ) { InterlockedIncrement( &gl->ref ); return gl; } static void release_gl_drawable( struct gl_drawable *gl ) { if (!gl) return; if (InterlockedDecrement( &gl->ref )) return; switch (gl->type) { case DC_GL_WINDOW: case DC_GL_CHILD_WIN: TRACE( "destroying %lx drawable %lx\n", gl->window, gl->drawable ); pglXDestroyWindow( gdi_display, gl->drawable ); XDestroyWindow( gdi_display, gl->window ); break; case DC_GL_PIXMAP_WIN: TRACE( "destroying pixmap %lx drawable %lx\n", gl->pixmap, gl->drawable ); pglXDestroyPixmap( gdi_display, gl->drawable ); XFreePixmap( gdi_display, gl->pixmap ); break; default: break; } free( gl ); } /* Mark any allocated context using the glx drawable 'old' to use 'new' */ static void mark_drawable_dirty( struct gl_drawable *old, struct gl_drawable *new ) { struct wgl_context *ctx; pthread_mutex_lock( &context_mutex ); LIST_FOR_EACH_ENTRY( ctx, &context_list, struct wgl_context, entry ) { if (old == ctx->drawables[0] || old == ctx->new_drawables[0]) { release_gl_drawable( ctx->new_drawables[0] ); ctx->new_drawables[0] = grab_gl_drawable( new ); } if (old == ctx->drawables[1] || old == ctx->new_drawables[1]) { release_gl_drawable( ctx->new_drawables[1] ); ctx->new_drawables[1] = grab_gl_drawable( new ); } } pthread_mutex_unlock( &context_mutex ); } /* Given the current context, make sure its drawable is sync'd */ static inline void sync_context(struct wgl_context *context) { BOOL refresh = FALSE; pthread_mutex_lock( &context_mutex ); if (context->new_drawables[0]) { release_gl_drawable( context->drawables[0] ); context->drawables[0] = context->new_drawables[0]; context->new_drawables[0] = NULL; refresh = TRUE; } if (context->new_drawables[1]) { release_gl_drawable( context->drawables[1] ); context->drawables[1] = context->new_drawables[1]; context->new_drawables[1] = NULL; refresh = TRUE; } if (refresh) { if (glxRequireVersion(3)) pglXMakeContextCurrent(gdi_display, context->drawables[0]->drawable, context->drawables[1]->drawable, context->ctx); else pglXMakeCurrent(gdi_display, context->drawables[0]->drawable, context->ctx); } pthread_mutex_unlock( &context_mutex ); } static BOOL set_swap_interval(GLXDrawable drawable, int interval) { BOOL ret = TRUE; switch (swap_control_method) { case GLX_SWAP_CONTROL_EXT: X11DRV_expect_error(gdi_display, GLXErrorHandler, NULL); pglXSwapIntervalEXT(gdi_display, drawable, interval); XSync(gdi_display, False); ret = !X11DRV_check_error(); break; case GLX_SWAP_CONTROL_MESA: ret = !pglXSwapIntervalMESA(interval); break; case GLX_SWAP_CONTROL_SGI: /* wglSwapIntervalEXT considers an interval value of zero to mean that * vsync should be disabled, but glXSwapIntervalSGI considers such a * value to be an error. Just silently ignore the request for now. */ if (!interval) WARN("Request to disable vertical sync is not handled\n"); else ret = !pglXSwapIntervalSGI(interval); break; case GLX_SWAP_CONTROL_NONE: /* Unlikely to happen on modern GLX implementations */ WARN("Request to adjust swap interval is not handled\n"); break; } return ret; } static struct gl_drawable *get_gl_drawable( HWND hwnd, HDC hdc ) { struct gl_drawable *gl; pthread_mutex_lock( &context_mutex ); if (hwnd && !XFindContext( gdi_display, (XID)hwnd, gl_hwnd_context, (char **)&gl )) gl = grab_gl_drawable( gl ); else if (hdc && !XFindContext( gdi_display, (XID)hdc, gl_pbuffer_context, (char **)&gl )) gl = grab_gl_drawable( gl ); else gl = NULL; pthread_mutex_unlock( &context_mutex ); return gl; } static GLXContext create_glxcontext(Display *display, struct wgl_context *context, GLXContext shareList) { GLXContext ctx; if(context->gl3_context) { if(context->numAttribs) ctx = pglXCreateContextAttribsARB(gdi_display, context->fmt->fbconfig, shareList, GL_TRUE, context->attribList); else ctx = pglXCreateContextAttribsARB(gdi_display, context->fmt->fbconfig, shareList, GL_TRUE, NULL); } else if(context->fmt->visual) ctx = pglXCreateContext(gdi_display, context->fmt->visual, shareList, GL_TRUE); else /* Create a GLX Context for a pbuffer */ ctx = pglXCreateNewContext(gdi_display, context->fmt->fbconfig, context->fmt->render_type, shareList, TRUE); return ctx; } /*********************************************************************** * create_gl_drawable */ static struct gl_drawable *create_gl_drawable( HWND hwnd, const struct wgl_pixel_format *format, BOOL known_child, BOOL mutable_pf ) { struct gl_drawable *gl, *prev; XVisualInfo *visual = format->visual; RECT rect; int width, height; NtUserGetClientRect( hwnd, &rect ); width = min( max( 1, rect.right ), 65535 ); height = min( max( 1, rect.bottom ), 65535 ); if (!(gl = calloc( 1, sizeof(*gl) ))) return NULL; /* Default GLX and WGL swap interval is 1, but in case of glXSwapIntervalSGI * there is no way to query it, so we have to store it here. */ gl->swap_interval = 1; gl->refresh_swap_interval = TRUE; gl->format = format; gl->ref = 1; gl->mutable_pf = mutable_pf; if (!known_child && !NtUserGetWindowRelative( hwnd, GW_CHILD ) && NtUserGetAncestor( hwnd, GA_PARENT ) == NtUserGetDesktopWindow()) /* childless top-level window */ { gl->type = DC_GL_WINDOW; gl->window = create_client_window( hwnd, visual ); if (gl->window) gl->drawable = pglXCreateWindow( gdi_display, gl->format->fbconfig, gl->window, NULL ); TRACE( "%p created client %lx drawable %lx\n", hwnd, gl->window, gl->drawable ); } #ifdef SONAME_LIBXCOMPOSITE else if(usexcomposite) { gl->type = DC_GL_CHILD_WIN; gl->window = create_client_window( hwnd, visual ); if (gl->window) { gl->drawable = pglXCreateWindow( gdi_display, gl->format->fbconfig, gl->window, NULL ); pXCompositeRedirectWindow( gdi_display, gl->window, CompositeRedirectManual ); } TRACE( "%p created child %lx drawable %lx\n", hwnd, gl->window, gl->drawable ); } #endif else { WARN("XComposite is not available, using GLXPixmap hack\n"); gl->type = DC_GL_PIXMAP_WIN; gl->pixmap = XCreatePixmap( gdi_display, root_window, width, height, visual->depth ); if (gl->pixmap) { gl->drawable = pglXCreatePixmap( gdi_display, gl->format->fbconfig, gl->pixmap, NULL ); if (!gl->drawable) XFreePixmap( gdi_display, gl->pixmap ); gl->pixmap_size.cx = width; gl->pixmap_size.cy = height; } } if (!gl->drawable) { free( gl ); return NULL; } pthread_mutex_lock( &context_mutex ); if (!XFindContext( gdi_display, (XID)hwnd, gl_hwnd_context, (char **)&prev )) { gl->swap_interval = prev->swap_interval; release_gl_drawable( prev ); } XSaveContext( gdi_display, (XID)hwnd, gl_hwnd_context, (char *)grab_gl_drawable(gl) ); pthread_mutex_unlock( &context_mutex ); return gl; } /*********************************************************************** * set_win_format */ static BOOL set_win_format( HWND hwnd, const struct wgl_pixel_format *format, BOOL mutable_pf ) { struct gl_drawable *gl; if (!format->visual) return FALSE; if (!(gl = create_gl_drawable( hwnd, format, FALSE, mutable_pf ))) return FALSE; TRACE( "created GL drawable %lx for win %p %s\n", gl->drawable, hwnd, debugstr_fbconfig( format->fbconfig )); XFlush( gdi_display ); release_gl_drawable( gl ); NtUserSetWindowPixelFormat( hwnd, pixel_format_index( format )); return TRUE; } static BOOL set_pixel_format(HDC hdc, int format, BOOL allow_change) { const struct wgl_pixel_format *fmt; int value; HWND hwnd = NtUserWindowFromDC( hdc ); TRACE("(%p,%d)\n", hdc, format); if (!hwnd || hwnd == NtUserGetDesktopWindow()) { WARN( "not a valid window DC %p/%p\n", hdc, hwnd ); return FALSE; } fmt = get_pixel_format(gdi_display, format, FALSE /* Offscreen */); if (!fmt) { ERR( "Invalid format %d\n", format ); return FALSE; } pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_DRAWABLE_TYPE, &value); if (!(value & GLX_WINDOW_BIT)) { WARN( "Pixel format %d is not compatible for window rendering\n", format ); return FALSE; } if (!allow_change) { struct gl_drawable *gl; if ((gl = get_gl_drawable( hwnd, hdc ))) { int prev = pixel_format_index( gl->format ); BOOL mutable_pf = gl->mutable_pf; release_gl_drawable( gl ); if (!mutable_pf) return prev == format; /* cannot change it if already set */ } } return set_win_format( hwnd, fmt, allow_change ); } /*********************************************************************** * sync_gl_drawable */ void sync_gl_drawable( HWND hwnd, BOOL known_child ) { struct gl_drawable *old, *new; if (!(old = get_gl_drawable( hwnd, 0 ))) return; switch (old->type) { case DC_GL_WINDOW: if (!known_child) break; /* Still a childless top-level window */ /* fall through */ case DC_GL_PIXMAP_WIN: if (!(new = create_gl_drawable( hwnd, old->format, known_child, old->mutable_pf ))) break; mark_drawable_dirty( old, new ); XFlush( gdi_display ); TRACE( "Recreated GL drawable %lx to replace %lx\n", new->drawable, old->drawable ); release_gl_drawable( new ); break; default: break; } release_gl_drawable( old ); } /*********************************************************************** * set_gl_drawable_parent */ void set_gl_drawable_parent( HWND hwnd, HWND parent ) { struct gl_drawable *old, *new; if (!(old = get_gl_drawable( hwnd, 0 ))) return; TRACE( "setting drawable %lx parent %p\n", old->drawable, parent ); switch (old->type) { case DC_GL_WINDOW: break; case DC_GL_CHILD_WIN: case DC_GL_PIXMAP_WIN: if (parent == NtUserGetDesktopWindow()) break; /* fall through */ default: release_gl_drawable( old ); return; } if ((new = create_gl_drawable( hwnd, old->format, FALSE, old->mutable_pf ))) { mark_drawable_dirty( old, new ); release_gl_drawable( new ); } else { destroy_gl_drawable( hwnd ); NtUserSetWindowPixelFormat( hwnd, 0 ); } release_gl_drawable( old ); } /*********************************************************************** * destroy_gl_drawable */ void destroy_gl_drawable( HWND hwnd ) { struct gl_drawable *gl; pthread_mutex_lock( &context_mutex ); if (!XFindContext( gdi_display, (XID)hwnd, gl_hwnd_context, (char **)&gl )) { XDeleteContext( gdi_display, (XID)hwnd, gl_hwnd_context ); release_gl_drawable( gl ); } pthread_mutex_unlock( &context_mutex ); } /** * glxdrv_DescribePixelFormat * * Get the pixel-format descriptor associated to the given id */ static int describe_pixel_format( int iPixelFormat, PIXELFORMATDESCRIPTOR *ppfd, BOOL allow_offscreen ) { /*XVisualInfo *vis;*/ int value; int rb,gb,bb,ab; const struct wgl_pixel_format *fmt; if (!has_opengl()) return 0; /* Look for the iPixelFormat in our list of supported formats. If it is supported we get the index in the FBConfig table and the number of supported formats back */ fmt = get_pixel_format(gdi_display, iPixelFormat, allow_offscreen); if (!fmt) { WARN("unexpected format %d\n", iPixelFormat); return 0; } memset(ppfd, 0, sizeof(PIXELFORMATDESCRIPTOR)); ppfd->nSize = sizeof(PIXELFORMATDESCRIPTOR); ppfd->nVersion = 1; /* These flags are always the same... */ ppfd->dwFlags = PFD_SUPPORT_OPENGL; /* Now the flags extracted from the Visual */ pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_DRAWABLE_TYPE, &value); if(value & GLX_WINDOW_BIT) ppfd->dwFlags |= PFD_DRAW_TO_WINDOW; /* On Windows bitmap rendering is only offered using the GDI Software renderer. We reserve some formats (see get_formats for more info) * for bitmap rendering since we require indirect rendering for this. Further pixel format logs of a GeforceFX, Geforce8800GT, Radeon HD3400 and a * Radeon 9000 indicated that all bitmap formats have PFD_SUPPORT_GDI. Except for 2 formats on the Radeon 9000 none of the hw accelerated formats * offered the GDI bit either. */ ppfd->dwFlags |= fmt->dwFlags & (PFD_DRAW_TO_BITMAP | PFD_SUPPORT_GDI); /* PFD_GENERIC_FORMAT - gdi software rendering * PFD_GENERIC_ACCELERATED - some parts are accelerated by a display driver (MCD e.g. 3dfx minigl) * none set - full hardware accelerated by a ICD * * We only set PFD_GENERIC_FORMAT on bitmap formats (see get_formats) as that's what ATI and Nvidia Windows drivers do */ ppfd->dwFlags |= fmt->dwFlags & (PFD_GENERIC_FORMAT | PFD_GENERIC_ACCELERATED); pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_DOUBLEBUFFER, &value); if (value) { ppfd->dwFlags |= PFD_DOUBLEBUFFER; ppfd->dwFlags &= ~PFD_SUPPORT_GDI; } pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_STEREO, &value); if (value) ppfd->dwFlags |= PFD_STEREO; /* Pixel type */ pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_RENDER_TYPE, &value); if (value & GLX_RGBA_BIT) ppfd->iPixelType = PFD_TYPE_RGBA; else ppfd->iPixelType = PFD_TYPE_COLORINDEX; /* Color bits */ pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_BUFFER_SIZE, &value); ppfd->cColorBits = value; /* Red, green, blue and alpha bits / shifts */ if (ppfd->iPixelType == PFD_TYPE_RGBA) { pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_RED_SIZE, &rb); pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_GREEN_SIZE, &gb); pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_BLUE_SIZE, &bb); pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_ALPHA_SIZE, &ab); ppfd->cRedBits = rb; ppfd->cRedShift = gb + bb + ab; ppfd->cBlueBits = bb; ppfd->cBlueShift = ab; ppfd->cGreenBits = gb; ppfd->cGreenShift = bb + ab; ppfd->cAlphaBits = ab; ppfd->cAlphaShift = 0; } else { ppfd->cRedBits = 0; ppfd->cRedShift = 0; ppfd->cBlueBits = 0; ppfd->cBlueShift = 0; ppfd->cGreenBits = 0; ppfd->cGreenShift = 0; ppfd->cAlphaBits = 0; ppfd->cAlphaShift = 0; } /* Accum RGBA bits */ pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_ACCUM_RED_SIZE, &rb); pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_ACCUM_GREEN_SIZE, &gb); pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_ACCUM_BLUE_SIZE, &bb); pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_ACCUM_ALPHA_SIZE, &ab); ppfd->cAccumBits = rb+gb+bb+ab; ppfd->cAccumRedBits = rb; ppfd->cAccumGreenBits = gb; ppfd->cAccumBlueBits = bb; ppfd->cAccumAlphaBits = ab; /* Aux bits */ pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_AUX_BUFFERS, &value); ppfd->cAuxBuffers = value; /* Depth bits */ pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_DEPTH_SIZE, &value); ppfd->cDepthBits = value; /* stencil bits */ pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_STENCIL_SIZE, &value); ppfd->cStencilBits = value; ppfd->iLayerType = PFD_MAIN_PLANE; if (TRACE_ON(wgl)) { dump_PIXELFORMATDESCRIPTOR(ppfd); } return nb_onscreen_formats; } /** * glxdrv_DescribePixelFormat * * Get the pixel-format descriptor associated to the given id */ static int WINAPI glxdrv_wglDescribePixelFormat( HDC hdc, int iPixelFormat, UINT nBytes, PIXELFORMATDESCRIPTOR *ppfd) { TRACE("(%p,%d,%d,%p)\n", hdc, iPixelFormat, nBytes, ppfd); if (!ppfd) return nb_onscreen_formats; if (nBytes < sizeof(PIXELFORMATDESCRIPTOR)) { ERR("Wrong structure size !\n"); /* Should set error */ return 0; } return describe_pixel_format(iPixelFormat, ppfd, FALSE); } /*********************************************************************** * glxdrv_wglGetPixelFormat */ static int WINAPI glxdrv_wglGetPixelFormat( HDC hdc ) { struct gl_drawable *gl; int ret = 0; if ((gl = get_gl_drawable( NtUserWindowFromDC( hdc ), hdc ))) { ret = pixel_format_index( gl->format ); /* Offscreen formats can't be used with traditional WGL calls. * As has been verified on Windows GetPixelFormat doesn't fail but returns iPixelFormat=1. */ if (!is_onscreen_pixel_format( ret )) ret = 1; release_gl_drawable( gl ); } TRACE( "%p -> %d\n", hdc, ret ); return ret; } /*********************************************************************** * glxdrv_wglSetPixelFormat */ static BOOL WINAPI glxdrv_wglSetPixelFormat( HDC hdc, int iPixelFormat, const PIXELFORMATDESCRIPTOR *ppfd ) { return set_pixel_format(hdc, iPixelFormat, FALSE); } /*********************************************************************** * glxdrv_wglCopyContext */ static BOOL WINAPI glxdrv_wglCopyContext(struct wgl_context *src, struct wgl_context *dst, UINT mask) { TRACE("%p -> %p mask %#x\n", src, dst, mask); pglXCopyContext(gdi_display, src->ctx, dst->ctx, mask); /* As opposed to wglCopyContext, glXCopyContext doesn't return anything, so hopefully we passed */ return TRUE; } /*********************************************************************** * glxdrv_wglCreateContext */ static struct wgl_context * WINAPI glxdrv_wglCreateContext( HDC hdc ) { struct wgl_context *ret; struct gl_drawable *gl; if (!(gl = get_gl_drawable( NtUserWindowFromDC( hdc ), hdc ))) { SetLastError( ERROR_INVALID_PIXEL_FORMAT ); return NULL; } if ((ret = calloc( 1, sizeof(*ret) ))) { ret->hdc = hdc; ret->fmt = gl->format; ret->ctx = create_glxcontext(gdi_display, ret, NULL); pthread_mutex_lock( &context_mutex ); list_add_head( &context_list, &ret->entry ); pthread_mutex_unlock( &context_mutex ); } release_gl_drawable( gl ); TRACE( "%p -> %p\n", hdc, ret ); return ret; } /*********************************************************************** * glxdrv_wglDeleteContext */ static BOOL WINAPI glxdrv_wglDeleteContext(struct wgl_context *ctx) { struct wgl_pbuffer *pb; TRACE("(%p)\n", ctx); pthread_mutex_lock( &context_mutex ); list_remove( &ctx->entry ); LIST_FOR_EACH_ENTRY( pb, &pbuffer_list, struct wgl_pbuffer, entry ) { if (pb->prev_context == ctx->ctx) { pglXDestroyContext(gdi_display, pb->tmp_context); pb->prev_context = pb->tmp_context = NULL; } } pthread_mutex_unlock( &context_mutex ); if (ctx->ctx) pglXDestroyContext( gdi_display, ctx->ctx ); release_gl_drawable( ctx->drawables[0] ); release_gl_drawable( ctx->drawables[1] ); release_gl_drawable( ctx->new_drawables[0] ); release_gl_drawable( ctx->new_drawables[1] ); free( ctx ); return TRUE; } /*********************************************************************** * glxdrv_wglGetProcAddress */ static PROC WINAPI glxdrv_wglGetProcAddress(LPCSTR lpszProc) { if (!strncmp(lpszProc, "wgl", 3)) return NULL; return pglXGetProcAddressARB((const GLubyte*)lpszProc); } static void set_context_drawables( struct wgl_context *ctx, struct gl_drawable *draw, struct gl_drawable *read ) { struct gl_drawable *prev[4]; int i; prev[0] = ctx->drawables[0]; prev[1] = ctx->drawables[1]; prev[2] = ctx->new_drawables[0]; prev[3] = ctx->new_drawables[1]; ctx->drawables[0] = grab_gl_drawable( draw ); ctx->drawables[1] = read ? grab_gl_drawable( read ) : NULL; ctx->new_drawables[0] = ctx->new_drawables[1] = NULL; for (i = 0; i < 4; i++) release_gl_drawable( prev[i] ); } /*********************************************************************** * glxdrv_wglMakeCurrent */ static BOOL WINAPI glxdrv_wglMakeCurrent(HDC hdc, struct wgl_context *ctx) { BOOL ret = FALSE; struct gl_drawable *gl; TRACE("(%p,%p)\n", hdc, ctx); if (!ctx) { pglXMakeCurrent(gdi_display, None, NULL); NtCurrentTeb()->glContext = NULL; return TRUE; } if ((gl = get_gl_drawable( NtUserWindowFromDC( hdc ), hdc ))) { if (ctx->fmt != gl->format) { WARN( "mismatched pixel format hdc %p %p ctx %p %p\n", hdc, gl->format, ctx, ctx->fmt ); SetLastError( ERROR_INVALID_PIXEL_FORMAT ); goto done; } TRACE("hdc %p drawable %lx fmt %p ctx %p %s\n", hdc, gl->drawable, gl->format, ctx->ctx, debugstr_fbconfig( gl->format->fbconfig )); pthread_mutex_lock( &context_mutex ); ret = pglXMakeCurrent(gdi_display, gl->drawable, ctx->ctx); if (ret) { NtCurrentTeb()->glContext = ctx; ctx->has_been_current = TRUE; ctx->hdc = hdc; set_context_drawables( ctx, gl, gl ); ctx->refresh_drawables = FALSE; pthread_mutex_unlock( &context_mutex ); goto done; } pthread_mutex_unlock( &context_mutex ); } SetLastError( ERROR_INVALID_HANDLE ); done: release_gl_drawable( gl ); TRACE( "%p,%p returning %d\n", hdc, ctx, ret ); return ret; } /*********************************************************************** * X11DRV_wglMakeContextCurrentARB */ static BOOL X11DRV_wglMakeContextCurrentARB( HDC draw_hdc, HDC read_hdc, struct wgl_context *ctx ) { BOOL ret = FALSE; struct gl_drawable *draw_gl, *read_gl = NULL; TRACE("(%p,%p,%p)\n", draw_hdc, read_hdc, ctx); if (!ctx) { pglXMakeCurrent(gdi_display, None, NULL); NtCurrentTeb()->glContext = NULL; return TRUE; } if (!pglXMakeContextCurrent) return FALSE; if ((draw_gl = get_gl_drawable( NtUserWindowFromDC( draw_hdc ), draw_hdc ))) { read_gl = get_gl_drawable( NtUserWindowFromDC( read_hdc ), read_hdc ); pthread_mutex_lock( &context_mutex ); ret = pglXMakeContextCurrent(gdi_display, draw_gl->drawable, read_gl ? read_gl->drawable : 0, ctx->ctx); if (ret) { ctx->has_been_current = TRUE; ctx->hdc = draw_hdc; set_context_drawables( ctx, draw_gl, read_gl ); ctx->refresh_drawables = FALSE; NtCurrentTeb()->glContext = ctx; pthread_mutex_unlock( &context_mutex ); goto done; } pthread_mutex_unlock( &context_mutex ); } SetLastError( ERROR_INVALID_HANDLE ); done: release_gl_drawable( read_gl ); release_gl_drawable( draw_gl ); TRACE( "%p,%p,%p returning %d\n", draw_hdc, read_hdc, ctx, ret ); return ret; } /*********************************************************************** * glxdrv_wglShareLists */ static BOOL WINAPI glxdrv_wglShareLists(struct wgl_context *org, struct wgl_context *dest) { TRACE("(%p, %p)\n", org, dest); /* Sharing of display lists works differently in GLX and WGL. In case of GLX it is done * at context creation time but in case of WGL it is done using wglShareLists. * In the past we tried to emulate wglShareLists by delaying GLX context creation until * either a wglMakeCurrent or wglShareLists. This worked fine for most apps but it causes * issues for OpenGL 3 because there wglCreateContextAttribsARB can fail in a lot of cases, * so there delaying context creation doesn't work. * * The new approach is to create a GLX context in wglCreateContext / wglCreateContextAttribsARB * and when a program requests sharing we recreate the destination context if it hasn't been made * current or when it hasn't shared display lists before. */ if((org->has_been_current && dest->has_been_current) || dest->has_been_current) { ERR("Could not share display lists, one of the contexts has been current already !\n"); return FALSE; } else if(dest->sharing) { ERR("Could not share display lists because hglrc2 has already shared lists before\n"); return FALSE; } else { /* Re-create the GLX context and share display lists */ pglXDestroyContext(gdi_display, dest->ctx); dest->ctx = create_glxcontext(gdi_display, dest, org->ctx); TRACE(" re-created context (%p) for Wine context %p (%s) sharing lists with ctx %p (%s)\n", dest->ctx, dest, debugstr_fbconfig(dest->fmt->fbconfig), org->ctx, debugstr_fbconfig( org->fmt->fbconfig)); org->sharing = TRUE; dest->sharing = TRUE; return TRUE; } return FALSE; } static void wglFinish(void) { struct x11drv_escape_flush_gl_drawable escape; struct gl_drawable *gl; struct wgl_context *ctx = NtCurrentTeb()->glContext; escape.code = X11DRV_FLUSH_GL_DRAWABLE; escape.gl_drawable = 0; escape.flush = FALSE; if ((gl = get_gl_drawable( NtUserWindowFromDC( ctx->hdc ), 0 ))) { switch (gl->type) { case DC_GL_PIXMAP_WIN: escape.gl_drawable = gl->pixmap; break; case DC_GL_CHILD_WIN: escape.gl_drawable = gl->window; break; default: break; } sync_context(ctx); release_gl_drawable( gl ); } pglFinish(); if (escape.gl_drawable) NtGdiExtEscape( ctx->hdc, NULL, 0, X11DRV_ESCAPE, sizeof(escape), (LPSTR)&escape, 0, NULL ); } static void wglFlush(void) { struct x11drv_escape_flush_gl_drawable escape; struct gl_drawable *gl; struct wgl_context *ctx = NtCurrentTeb()->glContext; escape.code = X11DRV_FLUSH_GL_DRAWABLE; escape.gl_drawable = 0; escape.flush = FALSE; if ((gl = get_gl_drawable( NtUserWindowFromDC( ctx->hdc ), 0 ))) { switch (gl->type) { case DC_GL_PIXMAP_WIN: escape.gl_drawable = gl->pixmap; break; case DC_GL_CHILD_WIN: escape.gl_drawable = gl->window; break; default: break; } sync_context(ctx); release_gl_drawable( gl ); } pglFlush(); if (escape.gl_drawable) NtGdiExtEscape( ctx->hdc, NULL, 0, X11DRV_ESCAPE, sizeof(escape), (LPSTR)&escape, 0, NULL ); } static const GLubyte *wglGetString(GLenum name) { if (name == GL_EXTENSIONS && glExtensions) return (const GLubyte *)glExtensions; return pglGetString(name); } /*********************************************************************** * X11DRV_wglCreateContextAttribsARB */ static struct wgl_context *X11DRV_wglCreateContextAttribsARB( HDC hdc, struct wgl_context *hShareContext, const int* attribList ) { struct wgl_context *ret; struct gl_drawable *gl; int err = 0; TRACE("(%p %p %p)\n", hdc, hShareContext, attribList); if (!(gl = get_gl_drawable( NtUserWindowFromDC( hdc ), hdc ))) { SetLastError( ERROR_INVALID_PIXEL_FORMAT ); return NULL; } if ((ret = calloc( 1, sizeof(*ret) ))) { ret->hdc = hdc; ret->fmt = gl->format; ret->gl3_context = TRUE; if (attribList) { int *pContextAttribList = &ret->attribList[0]; /* attribList consists of pairs {token, value] terminated with 0 */ while(attribList[0] != 0) { TRACE("%#x %#x\n", attribList[0], attribList[1]); switch(attribList[0]) { case WGL_CONTEXT_MAJOR_VERSION_ARB: pContextAttribList[0] = GLX_CONTEXT_MAJOR_VERSION_ARB; pContextAttribList[1] = attribList[1]; pContextAttribList += 2; ret->numAttribs++; break; case WGL_CONTEXT_MINOR_VERSION_ARB: pContextAttribList[0] = GLX_CONTEXT_MINOR_VERSION_ARB; pContextAttribList[1] = attribList[1]; pContextAttribList += 2; ret->numAttribs++; break; case WGL_CONTEXT_LAYER_PLANE_ARB: break; case WGL_CONTEXT_FLAGS_ARB: pContextAttribList[0] = GLX_CONTEXT_FLAGS_ARB; pContextAttribList[1] = attribList[1]; pContextAttribList += 2; ret->numAttribs++; break; case WGL_CONTEXT_OPENGL_NO_ERROR_ARB: pContextAttribList[0] = GLX_CONTEXT_OPENGL_NO_ERROR_ARB; pContextAttribList[1] = attribList[1]; pContextAttribList += 2; ret->numAttribs++; break; case WGL_CONTEXT_PROFILE_MASK_ARB: pContextAttribList[0] = GLX_CONTEXT_PROFILE_MASK_ARB; pContextAttribList[1] = attribList[1]; pContextAttribList += 2; ret->numAttribs++; break; case WGL_RENDERER_ID_WINE: pContextAttribList[0] = GLX_RENDERER_ID_MESA; pContextAttribList[1] = attribList[1]; pContextAttribList += 2; ret->numAttribs++; break; default: ERR("Unhandled attribList pair: %#x %#x\n", attribList[0], attribList[1]); } attribList += 2; } } X11DRV_expect_error(gdi_display, GLXErrorHandler, NULL); ret->ctx = create_glxcontext(gdi_display, ret, hShareContext ? hShareContext->ctx : NULL); XSync(gdi_display, False); if ((err = X11DRV_check_error()) || !ret->ctx) { /* In the future we should convert the GLX error to a win32 one here if needed */ WARN("Context creation failed (error %#x).\n", err); free( ret ); ret = NULL; } else { pthread_mutex_lock( &context_mutex ); list_add_head( &context_list, &ret->entry ); pthread_mutex_unlock( &context_mutex ); } } release_gl_drawable( gl ); TRACE( "%p -> %p\n", hdc, ret ); return ret; } /** * X11DRV_wglGetExtensionsStringARB * * WGL_ARB_extensions_string: wglGetExtensionsStringARB */ static const char *X11DRV_wglGetExtensionsStringARB(HDC hdc) { TRACE("() returning \"%s\"\n", wglExtensions); return wglExtensions; } /** * X11DRV_wglCreatePbufferARB * * WGL_ARB_pbuffer: wglCreatePbufferARB */ static struct wgl_pbuffer *X11DRV_wglCreatePbufferARB( HDC hdc, int iPixelFormat, int iWidth, int iHeight, const int *piAttribList ) { struct wgl_pbuffer* object; const struct wgl_pixel_format *fmt; int attribs[256]; int nAttribs = 0; TRACE("(%p, %d, %d, %d, %p)\n", hdc, iPixelFormat, iWidth, iHeight, piAttribList); /* Convert the WGL pixelformat to a GLX format, if it fails then the format is invalid */ fmt = get_pixel_format(gdi_display, iPixelFormat, TRUE /* Offscreen */); if(!fmt) { ERR("(%p): invalid pixel format %d\n", hdc, iPixelFormat); SetLastError(ERROR_INVALID_PIXEL_FORMAT); return NULL; } object = calloc( 1, sizeof(*object) ); if (NULL == object) { SetLastError(ERROR_NO_SYSTEM_RESOURCES); return NULL; } object->width = iWidth; object->height = iHeight; object->fmt = fmt; PUSH2(attribs, GLX_PBUFFER_WIDTH, iWidth); PUSH2(attribs, GLX_PBUFFER_HEIGHT, iHeight); while (piAttribList && 0 != *piAttribList) { int attr_v; switch (*piAttribList) { case WGL_PBUFFER_LARGEST_ARB: { ++piAttribList; attr_v = *piAttribList; TRACE("WGL_LARGEST_PBUFFER_ARB = %d\n", attr_v); PUSH2(attribs, GLX_LARGEST_PBUFFER, attr_v); break; } case WGL_TEXTURE_FORMAT_ARB: { ++piAttribList; attr_v = *piAttribList; TRACE("WGL_render_texture Attribute: WGL_TEXTURE_FORMAT_ARB as %x\n", attr_v); if (WGL_NO_TEXTURE_ARB == attr_v) { object->use_render_texture = 0; } else { if (!use_render_texture_emulation) { SetLastError(ERROR_INVALID_DATA); goto create_failed; } switch (attr_v) { case WGL_TEXTURE_RGB_ARB: object->use_render_texture = GL_RGB; object->texture_bpp = 3; object->texture_format = GL_RGB; object->texture_type = GL_UNSIGNED_BYTE; break; case WGL_TEXTURE_RGBA_ARB: object->use_render_texture = GL_RGBA; object->texture_bpp = 4; object->texture_format = GL_RGBA; object->texture_type = GL_UNSIGNED_BYTE; break; /* WGL_FLOAT_COMPONENTS_NV */ case WGL_TEXTURE_FLOAT_R_NV: object->use_render_texture = GL_FLOAT_R_NV; object->texture_bpp = 4; object->texture_format = GL_RED; object->texture_type = GL_FLOAT; break; case WGL_TEXTURE_FLOAT_RG_NV: object->use_render_texture = GL_FLOAT_RG_NV; object->texture_bpp = 8; object->texture_format = GL_LUMINANCE_ALPHA; object->texture_type = GL_FLOAT; break; case WGL_TEXTURE_FLOAT_RGB_NV: object->use_render_texture = GL_FLOAT_RGB_NV; object->texture_bpp = 12; object->texture_format = GL_RGB; object->texture_type = GL_FLOAT; break; case WGL_TEXTURE_FLOAT_RGBA_NV: object->use_render_texture = GL_FLOAT_RGBA_NV; object->texture_bpp = 16; object->texture_format = GL_RGBA; object->texture_type = GL_FLOAT; break; default: ERR("Unknown texture format: %x\n", attr_v); SetLastError(ERROR_INVALID_DATA); goto create_failed; } } break; } case WGL_TEXTURE_TARGET_ARB: { ++piAttribList; attr_v = *piAttribList; TRACE("WGL_render_texture Attribute: WGL_TEXTURE_TARGET_ARB as %x\n", attr_v); if (WGL_NO_TEXTURE_ARB == attr_v) { object->texture_target = 0; } else { if (!use_render_texture_emulation) { SetLastError(ERROR_INVALID_DATA); goto create_failed; } switch (attr_v) { case WGL_TEXTURE_CUBE_MAP_ARB: { if (iWidth != iHeight) { SetLastError(ERROR_INVALID_DATA); goto create_failed; } object->texture_target = GL_TEXTURE_CUBE_MAP; object->texture_bind_target = GL_TEXTURE_BINDING_CUBE_MAP; break; } case WGL_TEXTURE_1D_ARB: { if (1 != iHeight) { SetLastError(ERROR_INVALID_DATA); goto create_failed; } object->texture_target = GL_TEXTURE_1D; object->texture_bind_target = GL_TEXTURE_BINDING_1D; break; } case WGL_TEXTURE_2D_ARB: { object->texture_target = GL_TEXTURE_2D; object->texture_bind_target = GL_TEXTURE_BINDING_2D; break; } case WGL_TEXTURE_RECTANGLE_NV: { object->texture_target = GL_TEXTURE_RECTANGLE_NV; object->texture_bind_target = GL_TEXTURE_BINDING_RECTANGLE_NV; break; } default: ERR("Unknown texture target: %x\n", attr_v); SetLastError(ERROR_INVALID_DATA); goto create_failed; } } break; } case WGL_MIPMAP_TEXTURE_ARB: { ++piAttribList; attr_v = *piAttribList; TRACE("WGL_render_texture Attribute: WGL_MIPMAP_TEXTURE_ARB as %x\n", attr_v); if (!use_render_texture_emulation) { SetLastError(ERROR_INVALID_DATA); goto create_failed; } break; } } ++piAttribList; } PUSH1(attribs, None); object->drawable = pglXCreatePbuffer(gdi_display, fmt->fbconfig, attribs); TRACE("new Pbuffer drawable as %lx\n", object->drawable); if (!object->drawable) { SetLastError(ERROR_NO_SYSTEM_RESOURCES); goto create_failed; /* unexpected error */ } pthread_mutex_lock( &context_mutex ); list_add_head( &pbuffer_list, &object->entry ); pthread_mutex_unlock( &context_mutex ); TRACE("->(%p)\n", object); return object; create_failed: free( object ); TRACE("->(FAILED)\n"); return NULL; } /** * X11DRV_wglDestroyPbufferARB * * WGL_ARB_pbuffer: wglDestroyPbufferARB */ static BOOL X11DRV_wglDestroyPbufferARB( struct wgl_pbuffer *object ) { TRACE("(%p)\n", object); pthread_mutex_lock( &context_mutex ); list_remove( &object->entry ); pthread_mutex_unlock( &context_mutex ); pglXDestroyPbuffer(gdi_display, object->drawable); if (object->tmp_context) pglXDestroyContext(gdi_display, object->tmp_context); free( object ); return GL_TRUE; } /** * X11DRV_wglGetPbufferDCARB * * WGL_ARB_pbuffer: wglGetPbufferDCARB */ static HDC X11DRV_wglGetPbufferDCARB( struct wgl_pbuffer *object ) { struct x11drv_escape_set_drawable escape; struct gl_drawable *gl, *prev; HDC hdc; hdc = NtGdiOpenDCW( NULL, NULL, NULL, 0, TRUE, NULL, NULL, NULL ); if (!hdc) return 0; if (!(gl = calloc( 1, sizeof(*gl) ))) { NtGdiDeleteObjectApp( hdc ); return 0; } gl->type = DC_GL_PBUFFER; gl->drawable = object->drawable; gl->format = object->fmt; gl->ref = 1; pthread_mutex_lock( &context_mutex ); if (!XFindContext( gdi_display, (XID)hdc, gl_pbuffer_context, (char **)&prev )) release_gl_drawable( prev ); XSaveContext( gdi_display, (XID)hdc, gl_pbuffer_context, (char *)gl ); pthread_mutex_unlock( &context_mutex ); escape.code = X11DRV_SET_DRAWABLE; escape.drawable = object->drawable; escape.mode = IncludeInferiors; SetRect( &escape.dc_rect, 0, 0, object->width, object->height ); NtGdiExtEscape( hdc, NULL, 0, X11DRV_ESCAPE, sizeof(escape), (LPSTR)&escape, 0, NULL ); TRACE( "(%p)->(%p)\n", object, hdc ); return hdc; } /** * X11DRV_wglQueryPbufferARB * * WGL_ARB_pbuffer: wglQueryPbufferARB */ static BOOL X11DRV_wglQueryPbufferARB( struct wgl_pbuffer *object, int iAttribute, int *piValue ) { TRACE("(%p, 0x%x, %p)\n", object, iAttribute, piValue); switch (iAttribute) { case WGL_PBUFFER_WIDTH_ARB: pglXQueryDrawable(gdi_display, object->drawable, GLX_WIDTH, (unsigned int*) piValue); break; case WGL_PBUFFER_HEIGHT_ARB: pglXQueryDrawable(gdi_display, object->drawable, GLX_HEIGHT, (unsigned int*) piValue); break; case WGL_PBUFFER_LOST_ARB: /* GLX Pbuffers cannot be lost by default. We can support this by * setting GLX_PRESERVED_CONTENTS to False and using glXSelectEvent * to receive pixel buffer clobber events, however that may or may * not give any benefit */ *piValue = GL_FALSE; break; case WGL_TEXTURE_FORMAT_ARB: if (!object->use_render_texture) { *piValue = WGL_NO_TEXTURE_ARB; } else { if (!use_render_texture_emulation) { SetLastError(ERROR_INVALID_HANDLE); return GL_FALSE; } switch(object->use_render_texture) { case GL_RGB: *piValue = WGL_TEXTURE_RGB_ARB; break; case GL_RGBA: *piValue = WGL_TEXTURE_RGBA_ARB; break; /* WGL_FLOAT_COMPONENTS_NV */ case GL_FLOAT_R_NV: *piValue = WGL_TEXTURE_FLOAT_R_NV; break; case GL_FLOAT_RG_NV: *piValue = WGL_TEXTURE_FLOAT_RG_NV; break; case GL_FLOAT_RGB_NV: *piValue = WGL_TEXTURE_FLOAT_RGB_NV; break; case GL_FLOAT_RGBA_NV: *piValue = WGL_TEXTURE_FLOAT_RGBA_NV; break; default: ERR("Unknown texture format: %x\n", object->use_render_texture); } } break; case WGL_TEXTURE_TARGET_ARB: if (!object->texture_target){ *piValue = WGL_NO_TEXTURE_ARB; } else { if (!use_render_texture_emulation) { SetLastError(ERROR_INVALID_DATA); return GL_FALSE; } switch (object->texture_target) { case GL_TEXTURE_1D: *piValue = WGL_TEXTURE_1D_ARB; break; case GL_TEXTURE_2D: *piValue = WGL_TEXTURE_2D_ARB; break; case GL_TEXTURE_CUBE_MAP: *piValue = WGL_TEXTURE_CUBE_MAP_ARB; break; case GL_TEXTURE_RECTANGLE_NV: *piValue = WGL_TEXTURE_RECTANGLE_NV; break; } } break; case WGL_MIPMAP_TEXTURE_ARB: *piValue = GL_FALSE; /** don't support that */ FIXME("unsupported WGL_ARB_render_texture attribute query for 0x%x\n", iAttribute); break; default: FIXME("unexpected attribute %x\n", iAttribute); break; } return GL_TRUE; } /** * X11DRV_wglReleasePbufferDCARB * * WGL_ARB_pbuffer: wglReleasePbufferDCARB */ static int X11DRV_wglReleasePbufferDCARB( struct wgl_pbuffer *object, HDC hdc ) { struct gl_drawable *gl; TRACE("(%p, %p)\n", object, hdc); pthread_mutex_lock( &context_mutex ); if (!XFindContext( gdi_display, (XID)hdc, gl_pbuffer_context, (char **)&gl )) { XDeleteContext( gdi_display, (XID)hdc, gl_pbuffer_context ); release_gl_drawable( gl ); } else hdc = 0; pthread_mutex_unlock( &context_mutex ); return hdc && NtGdiDeleteObjectApp(hdc); } /** * X11DRV_wglSetPbufferAttribARB * * WGL_ARB_pbuffer: wglSetPbufferAttribARB */ static BOOL X11DRV_wglSetPbufferAttribARB( struct wgl_pbuffer *object, const int *piAttribList ) { GLboolean ret = GL_FALSE; WARN("(%p, %p): alpha-testing, report any problem\n", object, piAttribList); if (!object->use_render_texture) { SetLastError(ERROR_INVALID_HANDLE); return GL_FALSE; } if (use_render_texture_emulation) { return GL_TRUE; } return ret; } struct choose_pixel_format_arb_format { int format; int original_index; PIXELFORMATDESCRIPTOR pfd; int depth, stencil; }; static int compare_formats(const void *a, const void *b) { /* Order formats so that onscreen formats go first. Then, if no depth bits requested, * prioritize formats with smaller depth within the original sort order with respect to * other attributes. */ const struct choose_pixel_format_arb_format *fmt_a = a, *fmt_b = b; BOOL offscreen_a, offscreen_b; offscreen_a = fmt_a->format > nb_onscreen_formats; offscreen_b = fmt_b->format > nb_onscreen_formats; if (offscreen_a != offscreen_b) return offscreen_a - offscreen_b; if (memcmp(&fmt_a->pfd, &fmt_b->pfd, sizeof(fmt_a->pfd))) return fmt_a->original_index - fmt_b->original_index; if (fmt_a->depth != fmt_b->depth) return fmt_a->depth - fmt_b->depth; if (fmt_a->stencil != fmt_b->stencil) return fmt_a->stencil - fmt_b->stencil; return fmt_a->original_index - fmt_b->original_index; } /** * X11DRV_wglChoosePixelFormatARB * * WGL_ARB_pixel_format: wglChoosePixelFormatARB */ static BOOL X11DRV_wglChoosePixelFormatARB( HDC hdc, const int *piAttribIList, const FLOAT *pfAttribFList, UINT nMaxFormats, int *piFormats, UINT *nNumFormats ) { struct choose_pixel_format_arb_format *formats; int it, i, format_count; BYTE depth_bits = 0; GLXFBConfig* cfgs; DWORD dwFlags = 0; int attribs[256]; int nAttribs = 0; int nCfgs = 0; int fmt_id; TRACE("(%p, %p, %p, %d, %p, %p): hackish\n", hdc, piAttribIList, pfAttribFList, nMaxFormats, piFormats, nNumFormats); if (NULL != pfAttribFList) { FIXME("unused pfAttribFList\n"); } nAttribs = ConvertAttribWGLtoGLX(piAttribIList, attribs, NULL); if (-1 == nAttribs) { WARN("Cannot convert WGL to GLX attributes\n"); return GL_FALSE; } PUSH1(attribs, None); /* There is no 1:1 mapping between GLX and WGL formats because we duplicate some GLX formats for bitmap rendering (see get_formats). * Flags like PFD_SUPPORT_GDI, PFD_DRAW_TO_BITMAP and others are a property of the pixel format. We don't query these attributes * using glXChooseFBConfig but we filter the result of glXChooseFBConfig later on. */ for(i=0; piAttribIList[i] != 0; i+=2) { switch(piAttribIList[i]) { case WGL_DRAW_TO_BITMAP_ARB: if(piAttribIList[i+1]) dwFlags |= PFD_DRAW_TO_BITMAP; break; case WGL_ACCELERATION_ARB: switch(piAttribIList[i+1]) { case WGL_NO_ACCELERATION_ARB: dwFlags |= PFD_GENERIC_FORMAT; break; case WGL_GENERIC_ACCELERATION_ARB: dwFlags |= PFD_GENERIC_ACCELERATED; break; case WGL_FULL_ACCELERATION_ARB: /* Nothing to do */ break; } break; case WGL_SUPPORT_GDI_ARB: if(piAttribIList[i+1]) dwFlags |= PFD_SUPPORT_GDI; break; case WGL_DEPTH_BITS_ARB: depth_bits = piAttribIList[i+1]; break; } } /* Search for FB configurations matching the requirements in attribs */ cfgs = pglXChooseFBConfig(gdi_display, DefaultScreen(gdi_display), attribs, &nCfgs); if (NULL == cfgs) { WARN("Compatible Pixel Format not found\n"); return GL_FALSE; } if (!(formats = malloc( nCfgs * sizeof(*formats) ))) { ERR("No memory.\n"); XFree(cfgs); return GL_FALSE; } format_count = 0; for (it = 0; it < nCfgs; ++it) { struct choose_pixel_format_arb_format *format; if (pglXGetFBConfigAttrib(gdi_display, cfgs[it], GLX_FBCONFIG_ID, &fmt_id)) { ERR("Failed to retrieve FBCONFIG_ID from GLXFBConfig, expect problems.\n"); continue; } for (i = 0; i < nb_pixel_formats; ++i) if (pixel_formats[i].fmt_id == fmt_id) break; if (i == nb_pixel_formats) continue; format = &formats[format_count]; format->format = i + 1; format->original_index = it; memset(&format->pfd, 0, sizeof(format->pfd)); if (!describe_pixel_format(format->format, &format->pfd, TRUE)) ERR("describe_pixel_format failed, format %d.\n", format->format); format->depth = format->pfd.cDepthBits; format->stencil = format->pfd.cStencilBits; if (!depth_bits && !(format->pfd.dwFlags & PFD_GENERIC_FORMAT)) { format->pfd.cDepthBits = 0; format->pfd.cStencilBits = 0; } ++format_count; } qsort(formats, format_count, sizeof(*formats), compare_formats); *nNumFormats = min(nMaxFormats, format_count); for (i = 0; i < *nNumFormats; ++i) piFormats[i] = formats[i].format; free( formats ); XFree(cfgs); return GL_TRUE; } /** * X11DRV_wglGetPixelFormatAttribivARB * * WGL_ARB_pixel_format: wglGetPixelFormatAttribivARB */ static BOOL X11DRV_wglGetPixelFormatAttribivARB( HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, const int *piAttributes, int *piValues ) { UINT i; const struct wgl_pixel_format *fmt; int hTest; int tmp; int curGLXAttr = 0; TRACE("(%p, %d, %d, %d, %p, %p)\n", hdc, iPixelFormat, iLayerPlane, nAttributes, piAttributes, piValues); if (0 < iLayerPlane) { FIXME("unsupported iLayerPlane(%d) > 0, returns FALSE\n", iLayerPlane); return GL_FALSE; } /* Convert the WGL pixelformat to a GLX one, if this fails then most likely the iPixelFormat isn't supported. * We don't have to fail yet as a program can specify an invalid iPixelFormat (lets say 0) if it wants to query * the number of supported WGL formats. Whether the iPixelFormat is valid is handled in the for-loop below. */ fmt = get_pixel_format(gdi_display, iPixelFormat, TRUE /* Offscreen */); if(!fmt) { WARN("Unable to convert iPixelFormat %d to a GLX one!\n", iPixelFormat); } for (i = 0; i < nAttributes; ++i) { const int curWGLAttr = piAttributes[i]; TRACE("pAttr[%d] = %x\n", i, curWGLAttr); switch (curWGLAttr) { case WGL_NUMBER_PIXEL_FORMATS_ARB: piValues[i] = nb_pixel_formats; continue; case WGL_SUPPORT_OPENGL_ARB: piValues[i] = GL_TRUE; continue; case WGL_ACCELERATION_ARB: curGLXAttr = GLX_CONFIG_CAVEAT; if (!fmt) goto pix_error; if(fmt->dwFlags & PFD_GENERIC_FORMAT) piValues[i] = WGL_NO_ACCELERATION_ARB; else if(fmt->dwFlags & PFD_GENERIC_ACCELERATED) piValues[i] = WGL_GENERIC_ACCELERATION_ARB; else piValues[i] = WGL_FULL_ACCELERATION_ARB; continue; case WGL_TRANSPARENT_ARB: curGLXAttr = GLX_TRANSPARENT_TYPE; if (!fmt) goto pix_error; hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, curGLXAttr, &tmp); if (hTest) goto get_error; piValues[i] = GL_FALSE; if (GLX_NONE != tmp) piValues[i] = GL_TRUE; continue; case WGL_PIXEL_TYPE_ARB: curGLXAttr = GLX_RENDER_TYPE; if (!fmt) goto pix_error; hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, curGLXAttr, &tmp); if (hTest) goto get_error; TRACE("WGL_PIXEL_TYPE_ARB: GLX_RENDER_TYPE = 0x%x\n", tmp); if (tmp & GLX_RGBA_BIT) { piValues[i] = WGL_TYPE_RGBA_ARB; } else if (tmp & GLX_COLOR_INDEX_BIT) { piValues[i] = WGL_TYPE_COLORINDEX_ARB; } else if (tmp & GLX_RGBA_FLOAT_BIT) { piValues[i] = WGL_TYPE_RGBA_FLOAT_ATI; } else if (tmp & GLX_RGBA_FLOAT_ATI_BIT) { piValues[i] = WGL_TYPE_RGBA_FLOAT_ATI; } else if (tmp & GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT) { piValues[i] = WGL_TYPE_RGBA_UNSIGNED_FLOAT_EXT; } else { ERR("unexpected RenderType(%x)\n", tmp); piValues[i] = WGL_TYPE_RGBA_ARB; } continue; case WGL_COLOR_BITS_ARB: curGLXAttr = GLX_BUFFER_SIZE; break; case WGL_BIND_TO_TEXTURE_RGB_ARB: case WGL_BIND_TO_TEXTURE_RGBA_ARB: if (!use_render_texture_emulation) { piValues[i] = GL_FALSE; continue; } curGLXAttr = GLX_RENDER_TYPE; if (!fmt) goto pix_error; hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, curGLXAttr, &tmp); if (hTest) goto get_error; if (GLX_COLOR_INDEX_BIT == tmp) { piValues[i] = GL_FALSE; continue; } hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_DRAWABLE_TYPE, &tmp); if (hTest) goto get_error; piValues[i] = (tmp & GLX_PBUFFER_BIT) ? GL_TRUE : GL_FALSE; continue; case WGL_BLUE_BITS_ARB: curGLXAttr = GLX_BLUE_SIZE; break; case WGL_RED_BITS_ARB: curGLXAttr = GLX_RED_SIZE; break; case WGL_GREEN_BITS_ARB: curGLXAttr = GLX_GREEN_SIZE; break; case WGL_ALPHA_BITS_ARB: curGLXAttr = GLX_ALPHA_SIZE; break; case WGL_DEPTH_BITS_ARB: curGLXAttr = GLX_DEPTH_SIZE; break; case WGL_STENCIL_BITS_ARB: curGLXAttr = GLX_STENCIL_SIZE; break; case WGL_DOUBLE_BUFFER_ARB: curGLXAttr = GLX_DOUBLEBUFFER; break; case WGL_STEREO_ARB: curGLXAttr = GLX_STEREO; break; case WGL_AUX_BUFFERS_ARB: curGLXAttr = GLX_AUX_BUFFERS; break; case WGL_SUPPORT_GDI_ARB: if (!fmt) goto pix_error; piValues[i] = (fmt->dwFlags & PFD_SUPPORT_GDI) != 0; continue; case WGL_DRAW_TO_BITMAP_ARB: if (!fmt) goto pix_error; piValues[i] = (fmt->dwFlags & PFD_DRAW_TO_BITMAP) != 0; continue; case WGL_DRAW_TO_WINDOW_ARB: case WGL_DRAW_TO_PBUFFER_ARB: if (!fmt) goto pix_error; hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_DRAWABLE_TYPE, &tmp); if (hTest) goto get_error; if((curWGLAttr == WGL_DRAW_TO_WINDOW_ARB && (tmp&GLX_WINDOW_BIT)) || (curWGLAttr == WGL_DRAW_TO_PBUFFER_ARB && (tmp&GLX_PBUFFER_BIT))) piValues[i] = GL_TRUE; else piValues[i] = GL_FALSE; continue; case WGL_SWAP_METHOD_ARB: if (has_swap_method) { hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_SWAP_METHOD_OML, &tmp); if (hTest) goto get_error; switch (tmp) { case GLX_SWAP_EXCHANGE_OML: piValues[i] = WGL_SWAP_EXCHANGE_ARB; break; case GLX_SWAP_COPY_OML: piValues[i] = WGL_SWAP_COPY_ARB; break; case GLX_SWAP_UNDEFINED_OML: piValues[i] = WGL_SWAP_UNDEFINED_ARB; break; default: ERR("Unexpected swap method %x.\n", tmp); } } else { WARN("GLX_OML_swap_method not supported, returning WGL_SWAP_EXCHANGE_ARB.\n"); piValues[i] = WGL_SWAP_EXCHANGE_ARB; } continue; case WGL_PBUFFER_LARGEST_ARB: curGLXAttr = GLX_LARGEST_PBUFFER; break; case WGL_SAMPLE_BUFFERS_ARB: curGLXAttr = GLX_SAMPLE_BUFFERS_ARB; break; case WGL_SAMPLES_ARB: curGLXAttr = GLX_SAMPLES_ARB; break; case WGL_FLOAT_COMPONENTS_NV: curGLXAttr = GLX_FLOAT_COMPONENTS_NV; break; case WGL_FRAMEBUFFER_SRGB_CAPABLE_EXT: curGLXAttr = GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT; break; case WGL_TYPE_RGBA_UNSIGNED_FLOAT_EXT: curGLXAttr = GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT; break; case WGL_ACCUM_RED_BITS_ARB: curGLXAttr = GLX_ACCUM_RED_SIZE; break; case WGL_ACCUM_GREEN_BITS_ARB: curGLXAttr = GLX_ACCUM_GREEN_SIZE; break; case WGL_ACCUM_BLUE_BITS_ARB: curGLXAttr = GLX_ACCUM_BLUE_SIZE; break; case WGL_ACCUM_ALPHA_BITS_ARB: curGLXAttr = GLX_ACCUM_ALPHA_SIZE; break; case WGL_ACCUM_BITS_ARB: if (!fmt) goto pix_error; hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_ACCUM_RED_SIZE, &tmp); if (hTest) goto get_error; piValues[i] = tmp; hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_ACCUM_GREEN_SIZE, &tmp); if (hTest) goto get_error; piValues[i] += tmp; hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_ACCUM_BLUE_SIZE, &tmp); if (hTest) goto get_error; piValues[i] += tmp; hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_ACCUM_ALPHA_SIZE, &tmp); if (hTest) goto get_error; piValues[i] += tmp; continue; default: FIXME("unsupported %x WGL Attribute\n", curWGLAttr); } /* Retrieve a GLX FBConfigAttrib when the attribute to query is valid and * iPixelFormat != 0. When iPixelFormat is 0 the only value which makes * sense to query is WGL_NUMBER_PIXEL_FORMATS_ARB. * * TODO: properly test the behavior of wglGetPixelFormatAttrib*v on Windows * and check which options can work using iPixelFormat=0 and which not. * A problem would be that this function is an extension. This would * mean that the behavior could differ between different vendors (ATI, Nvidia, ..). */ if (0 != curGLXAttr && iPixelFormat != 0) { if (!fmt) goto pix_error; hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, curGLXAttr, piValues + i); if (hTest) goto get_error; curGLXAttr = 0; } else { piValues[i] = GL_FALSE; } } return GL_TRUE; get_error: ERR("(%p): unexpected failure on GetFBConfigAttrib(%x) returns FALSE\n", hdc, curGLXAttr); return GL_FALSE; pix_error: ERR("(%p): unexpected iPixelFormat(%d) vs nFormats(%d), returns FALSE\n", hdc, iPixelFormat, nb_pixel_formats); return GL_FALSE; } /** * X11DRV_wglGetPixelFormatAttribfvARB * * WGL_ARB_pixel_format: wglGetPixelFormatAttribfvARB */ static BOOL X11DRV_wglGetPixelFormatAttribfvARB( HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, const int *piAttributes, FLOAT *pfValues ) { int *attr; int ret; UINT i; TRACE("(%p, %d, %d, %d, %p, %p)\n", hdc, iPixelFormat, iLayerPlane, nAttributes, piAttributes, pfValues); /* Allocate a temporary array to store integer values */ attr = malloc( nAttributes * sizeof(int) ); if (!attr) { ERR("couldn't allocate %d array\n", nAttributes); return GL_FALSE; } /* Piggy-back on wglGetPixelFormatAttribivARB */ ret = X11DRV_wglGetPixelFormatAttribivARB(hdc, iPixelFormat, iLayerPlane, nAttributes, piAttributes, attr); if (ret) { /* Convert integer values to float. Should also check for attributes that can give decimal values here */ for (i=0; iuse_render_texture) { SetLastError(ERROR_INVALID_HANDLE); return GL_FALSE; } if (use_render_texture_emulation) { static BOOL initialized = FALSE; int prev_binded_texture = 0; GLXContext prev_context; GLXDrawable prev_drawable; prev_context = pglXGetCurrentContext(); prev_drawable = pglXGetCurrentDrawable(); /* Our render_texture emulation is basic and lacks some features (1D/Cube support). This is mostly due to lack of demos/games using them. Further the use of glReadPixels isn't ideal performance wise but I wasn't able to get other ways working. */ if(!initialized) { initialized = TRUE; /* Only show the FIXME once for performance reasons */ FIXME("partial stub!\n"); } TRACE("drawable=%lx, context=%p\n", object->drawable, prev_context); if (!object->tmp_context || object->prev_context != prev_context) { if (object->tmp_context) pglXDestroyContext(gdi_display, object->tmp_context); object->tmp_context = pglXCreateNewContext(gdi_display, object->fmt->fbconfig, object->fmt->render_type, prev_context, True); object->prev_context = prev_context; } opengl_funcs.gl.p_glGetIntegerv(object->texture_bind_target, &prev_binded_texture); /* Switch to our pbuffer */ pglXMakeCurrent(gdi_display, object->drawable, object->tmp_context); /* Make sure that the prev_binded_texture is set as the current texture state isn't shared between contexts. * After that copy the pbuffer texture data. */ opengl_funcs.gl.p_glBindTexture(object->texture_target, prev_binded_texture); opengl_funcs.gl.p_glCopyTexImage2D(object->texture_target, 0, object->use_render_texture, 0, 0, object->width, object->height, 0); /* Switch back to the original drawable and context */ pglXMakeCurrent(gdi_display, prev_drawable, prev_context); return GL_TRUE; } return ret; } /** * X11DRV_wglReleaseTexImageARB * * WGL_ARB_render_texture: wglReleaseTexImageARB */ static BOOL X11DRV_wglReleaseTexImageARB( struct wgl_pbuffer *object, int iBuffer ) { GLboolean ret = GL_FALSE; TRACE("(%p, %d)\n", object, iBuffer); if (!object->use_render_texture) { SetLastError(ERROR_INVALID_HANDLE); return GL_FALSE; } if (use_render_texture_emulation) { return GL_TRUE; } return ret; } /** * X11DRV_wglGetExtensionsStringEXT * * WGL_EXT_extensions_string: wglGetExtensionsStringEXT */ static const char *X11DRV_wglGetExtensionsStringEXT(void) { TRACE("() returning \"%s\"\n", wglExtensions); return wglExtensions; } /** * X11DRV_wglGetSwapIntervalEXT * * WGL_EXT_swap_control: wglGetSwapIntervalEXT */ static int X11DRV_wglGetSwapIntervalEXT(void) { struct wgl_context *ctx = NtCurrentTeb()->glContext; struct gl_drawable *gl; int swap_interval; TRACE("()\n"); if (!(gl = get_gl_drawable( NtUserWindowFromDC( ctx->hdc ), ctx->hdc ))) { /* This can't happen because a current WGL context is required to get * here. Likely the application is buggy. */ WARN("No GL drawable found, returning swap interval 0\n"); return 0; } swap_interval = gl->swap_interval; release_gl_drawable(gl); return swap_interval; } /** * X11DRV_wglSwapIntervalEXT * * WGL_EXT_swap_control: wglSwapIntervalEXT */ static BOOL X11DRV_wglSwapIntervalEXT(int interval) { struct wgl_context *ctx = NtCurrentTeb()->glContext; struct gl_drawable *gl; BOOL ret; TRACE("(%d)\n", interval); /* Without WGL/GLX_EXT_swap_control_tear a negative interval * is invalid. */ if (interval < 0 && !has_swap_control_tear) { SetLastError(ERROR_INVALID_DATA); return FALSE; } if (!(gl = get_gl_drawable( NtUserWindowFromDC( ctx->hdc ), ctx->hdc ))) { SetLastError(ERROR_DC_NOT_FOUND); return FALSE; } pthread_mutex_lock( &context_mutex ); ret = set_swap_interval(gl->drawable, interval); gl->refresh_swap_interval = FALSE; if (ret) gl->swap_interval = interval; else SetLastError(ERROR_DC_NOT_FOUND); pthread_mutex_unlock( &context_mutex ); release_gl_drawable(gl); return ret; } /** * X11DRV_wglSetPixelFormatWINE * * WGL_WINE_pixel_format_passthrough: wglSetPixelFormatWINE * This is a WINE-specific wglSetPixelFormat which can set the pixel format multiple times. */ static BOOL X11DRV_wglSetPixelFormatWINE(HDC hdc, int format) { return set_pixel_format(hdc, format, TRUE); } static BOOL X11DRV_wglQueryCurrentRendererIntegerWINE( GLenum attribute, GLuint *value ) { return pglXQueryCurrentRendererIntegerMESA( attribute, value ); } static const char *X11DRV_wglQueryCurrentRendererStringWINE( GLenum attribute ) { return pglXQueryCurrentRendererStringMESA( attribute ); } static BOOL X11DRV_wglQueryRendererIntegerWINE( HDC dc, GLint renderer, GLenum attribute, GLuint *value ) { return pglXQueryRendererIntegerMESA( gdi_display, DefaultScreen(gdi_display), renderer, attribute, value ); } static const char *X11DRV_wglQueryRendererStringWINE( HDC dc, GLint renderer, GLenum attribute ) { return pglXQueryRendererStringMESA( gdi_display, DefaultScreen(gdi_display), renderer, attribute ); } /** * glxRequireVersion (internal) * * Check if the supported GLX version matches requiredVersion. */ static BOOL glxRequireVersion(int requiredVersion) { /* Both requiredVersion and glXVersion[1] contains the minor GLX version */ return (requiredVersion <= glxVersion[1]); } static void register_extension(const char *ext) { if (wglExtensions[0]) strcat(wglExtensions, " "); strcat(wglExtensions, ext); TRACE("'%s'\n", ext); } /** * X11DRV_WineGL_LoadExtensions */ static void X11DRV_WineGL_LoadExtensions(void) { wglExtensions[0] = 0; /* ARB Extensions */ if (has_extension( glxExtensions, "GLX_ARB_create_context")) { register_extension( "WGL_ARB_create_context" ); opengl_funcs.ext.p_wglCreateContextAttribsARB = X11DRV_wglCreateContextAttribsARB; if (has_extension( glxExtensions, "GLX_ARB_create_context_no_error" )) register_extension( "WGL_ARB_create_context_no_error" ); if (has_extension( glxExtensions, "GLX_ARB_create_context_profile")) register_extension("WGL_ARB_create_context_profile"); } if (has_extension( glxExtensions, "GLX_ARB_fbconfig_float")) { register_extension("WGL_ARB_pixel_format_float"); register_extension("WGL_ATI_pixel_format_float"); } register_extension( "WGL_ARB_extensions_string" ); opengl_funcs.ext.p_wglGetExtensionsStringARB = X11DRV_wglGetExtensionsStringARB; if (glxRequireVersion(3)) { register_extension( "WGL_ARB_make_current_read" ); opengl_funcs.ext.p_wglGetCurrentReadDCARB = (void *)1; /* never called */ opengl_funcs.ext.p_wglMakeContextCurrentARB = X11DRV_wglMakeContextCurrentARB; } if (has_extension( glxExtensions, "GLX_ARB_multisample")) register_extension( "WGL_ARB_multisample" ); if (glxRequireVersion(3)) { register_extension( "WGL_ARB_pbuffer" ); opengl_funcs.ext.p_wglCreatePbufferARB = X11DRV_wglCreatePbufferARB; opengl_funcs.ext.p_wglDestroyPbufferARB = X11DRV_wglDestroyPbufferARB; opengl_funcs.ext.p_wglGetPbufferDCARB = X11DRV_wglGetPbufferDCARB; opengl_funcs.ext.p_wglQueryPbufferARB = X11DRV_wglQueryPbufferARB; opengl_funcs.ext.p_wglReleasePbufferDCARB = X11DRV_wglReleasePbufferDCARB; opengl_funcs.ext.p_wglSetPbufferAttribARB = X11DRV_wglSetPbufferAttribARB; } register_extension( "WGL_ARB_pixel_format" ); opengl_funcs.ext.p_wglChoosePixelFormatARB = X11DRV_wglChoosePixelFormatARB; opengl_funcs.ext.p_wglGetPixelFormatAttribfvARB = X11DRV_wglGetPixelFormatAttribfvARB; opengl_funcs.ext.p_wglGetPixelFormatAttribivARB = X11DRV_wglGetPixelFormatAttribivARB; /* Support WGL_ARB_render_texture when there's support or pbuffer based emulation */ if (has_extension( glxExtensions, "GLX_ARB_render_texture") || (glxRequireVersion(3) && use_render_texture_emulation)) { register_extension( "WGL_ARB_render_texture" ); opengl_funcs.ext.p_wglBindTexImageARB = X11DRV_wglBindTexImageARB; opengl_funcs.ext.p_wglReleaseTexImageARB = X11DRV_wglReleaseTexImageARB; /* The WGL version of GLX_NV_float_buffer requires render_texture */ if (has_extension( glxExtensions, "GLX_NV_float_buffer")) register_extension("WGL_NV_float_buffer"); /* Again there's no GLX equivalent for this extension, so depend on the required GL extension */ if (has_extension(glExtensions, "GL_NV_texture_rectangle")) register_extension("WGL_NV_render_texture_rectangle"); } /* EXT Extensions */ register_extension( "WGL_EXT_extensions_string" ); opengl_funcs.ext.p_wglGetExtensionsStringEXT = X11DRV_wglGetExtensionsStringEXT; /* Load this extension even when it isn't backed by a GLX extension because it is has been around for ages. * Games like Call of Duty and K.O.T.O.R. rely on it. Further our emulation is good enough. */ register_extension( "WGL_EXT_swap_control" ); opengl_funcs.ext.p_wglSwapIntervalEXT = X11DRV_wglSwapIntervalEXT; opengl_funcs.ext.p_wglGetSwapIntervalEXT = X11DRV_wglGetSwapIntervalEXT; if (has_extension( glxExtensions, "GLX_EXT_framebuffer_sRGB")) register_extension("WGL_EXT_framebuffer_sRGB"); if (has_extension( glxExtensions, "GLX_EXT_fbconfig_packed_float")) register_extension("WGL_EXT_pixel_format_packed_float"); if (has_extension( glxExtensions, "GLX_EXT_swap_control")) { swap_control_method = GLX_SWAP_CONTROL_EXT; if (has_extension( glxExtensions, "GLX_EXT_swap_control_tear")) { register_extension("WGL_EXT_swap_control_tear"); has_swap_control_tear = TRUE; } } else if (has_extension( glxExtensions, "GLX_MESA_swap_control")) { swap_control_method = GLX_SWAP_CONTROL_MESA; } else if (has_extension( glxExtensions, "GLX_SGI_swap_control")) { swap_control_method = GLX_SWAP_CONTROL_SGI; } /* The OpenGL extension GL_NV_vertex_array_range adds wgl/glX functions which aren't exported as 'real' wgl/glX extensions. */ if (has_extension(glExtensions, "GL_NV_vertex_array_range")) { register_extension( "WGL_NV_vertex_array_range" ); opengl_funcs.ext.p_wglAllocateMemoryNV = pglXAllocateMemoryNV; opengl_funcs.ext.p_wglFreeMemoryNV = pglXFreeMemoryNV; } if (has_extension(glxExtensions, "GLX_OML_swap_method")) has_swap_method = TRUE; /* WINE-specific WGL Extensions */ /* In WineD3D we need the ability to set the pixel format more than once (e.g. after a device reset). * The default wglSetPixelFormat doesn't allow this, so add our own which allows it. */ register_extension( "WGL_WINE_pixel_format_passthrough" ); opengl_funcs.ext.p_wglSetPixelFormatWINE = X11DRV_wglSetPixelFormatWINE; if (has_extension( glxExtensions, "GLX_MESA_query_renderer" )) { register_extension( "WGL_WINE_query_renderer" ); opengl_funcs.ext.p_wglQueryCurrentRendererIntegerWINE = X11DRV_wglQueryCurrentRendererIntegerWINE; opengl_funcs.ext.p_wglQueryCurrentRendererStringWINE = X11DRV_wglQueryCurrentRendererStringWINE; opengl_funcs.ext.p_wglQueryRendererIntegerWINE = X11DRV_wglQueryRendererIntegerWINE; opengl_funcs.ext.p_wglQueryRendererStringWINE = X11DRV_wglQueryRendererStringWINE; } } /** * glxdrv_SwapBuffers * * Swap the buffers of this DC */ static BOOL WINAPI glxdrv_wglSwapBuffers( HDC hdc ) { struct x11drv_escape_flush_gl_drawable escape; struct gl_drawable *gl; struct wgl_context *ctx = NtCurrentTeb()->glContext; INT64 ust, msc, sbc, target_sbc = 0; TRACE("(%p)\n", hdc); escape.code = X11DRV_FLUSH_GL_DRAWABLE; escape.gl_drawable = 0; escape.flush = !pglXWaitForSbcOML; if (!(gl = get_gl_drawable( NtUserWindowFromDC( hdc ), hdc ))) { SetLastError( ERROR_INVALID_HANDLE ); return FALSE; } pthread_mutex_lock( &context_mutex ); if (gl->refresh_swap_interval) { set_swap_interval(gl->drawable, gl->swap_interval); gl->refresh_swap_interval = FALSE; } pthread_mutex_unlock( &context_mutex ); switch (gl->type) { case DC_GL_PIXMAP_WIN: if (ctx) sync_context( ctx ); escape.gl_drawable = gl->pixmap; if (pglXCopySubBufferMESA) { /* (glX)SwapBuffers has an implicit glFlush effect, however * GLX_MESA_copy_sub_buffer doesn't. Make sure GL is flushed before * copying */ pglFlush(); pglXCopySubBufferMESA( gdi_display, gl->drawable, 0, 0, gl->pixmap_size.cx, gl->pixmap_size.cy ); break; } if (pglXSwapBuffersMscOML) { pglFlush(); target_sbc = pglXSwapBuffersMscOML( gdi_display, gl->drawable, 0, 0, 0 ); break; } pglXSwapBuffers(gdi_display, gl->drawable); break; case DC_GL_WINDOW: case DC_GL_CHILD_WIN: if (ctx) sync_context( ctx ); if (gl->type == DC_GL_CHILD_WIN) escape.gl_drawable = gl->window; /* fall through */ default: if (escape.gl_drawable && pglXSwapBuffersMscOML) { pglFlush(); target_sbc = pglXSwapBuffersMscOML( gdi_display, gl->drawable, 0, 0, 0 ); break; } pglXSwapBuffers(gdi_display, gl->drawable); break; } if (escape.gl_drawable && pglXWaitForSbcOML) pglXWaitForSbcOML( gdi_display, gl->drawable, target_sbc, &ust, &msc, &sbc ); release_gl_drawable( gl ); if (escape.gl_drawable) NtGdiExtEscape( ctx->hdc, NULL, 0, X11DRV_ESCAPE, sizeof(escape), (LPSTR)&escape, 0, NULL ); return TRUE; } static struct opengl_funcs opengl_funcs = { { glxdrv_wglCopyContext, /* p_wglCopyContext */ glxdrv_wglCreateContext, /* p_wglCreateContext */ glxdrv_wglDeleteContext, /* p_wglDeleteContext */ glxdrv_wglDescribePixelFormat, /* p_wglDescribePixelFormat */ glxdrv_wglGetPixelFormat, /* p_wglGetPixelFormat */ glxdrv_wglGetProcAddress, /* p_wglGetProcAddress */ glxdrv_wglMakeCurrent, /* p_wglMakeCurrent */ glxdrv_wglSetPixelFormat, /* p_wglSetPixelFormat */ glxdrv_wglShareLists, /* p_wglShareLists */ glxdrv_wglSwapBuffers, /* p_wglSwapBuffers */ } }; struct opengl_funcs *get_glx_driver( UINT version ) { if (version != WINE_WGL_DRIVER_VERSION) { ERR( "version mismatch, opengl32 wants %u but driver has %u\n", version, WINE_WGL_DRIVER_VERSION ); return NULL; } if (has_opengl()) return &opengl_funcs; return NULL; } #else /* no OpenGL includes */ struct opengl_funcs *get_glx_driver( UINT version ) { return NULL; } void sync_gl_drawable( HWND hwnd, BOOL known_child ) { } void set_gl_drawable_parent( HWND hwnd, HWND parent ) { } void destroy_gl_drawable( HWND hwnd ) { } #endif /* defined(SONAME_LIBGL) */