/* $Id: glx.c $ */ /** @file * VBox OpenGL GLX implementation */ /* * Copyright (C) 2009-2019 Oracle Corporation * * This file is part of VirtualBox Open Source Edition (OSE), as * available from http://www.virtualbox.org. This file is free software; * you can redistribute it and/or modify it under the terms of the GNU * General Public License (GPL) as published by the Free Software * Foundation, in version 2 as it comes in the "COPYING" file of the * VirtualBox OSE distribution. VirtualBox OSE is distributed in the * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. * -------------------------------------------------------------------- * Original copyright notice: * * Copyright (c) 2001, Stanford University * All rights reserved * * See the file LICENSE.txt for information on redistributing this software. */ /* opengl_stub/glx.c */ #include "chromium.h" #include "cr_error.h" #include "cr_spu.h" #include "cr_mem.h" #include "cr_string.h" #include "stub.h" #include "dri_glx.h" #include "GL/internal/glcore.h" #include "cr_glstate.h" #include /* Force full pixmap update if there're more damaged regions than this number*/ #define CR_MAX_DAMAGE_REGIONS_TRACKED 50 /* Force "bigger" update (full or clip) if it's reducing number of regions updated * but doesn't increase updated area more than given number */ #define CR_MIN_DAMAGE_PROFIT_SIZE 64*64 /** @todo combine it in some other place*/ /* Size of pack spu buffer - some delta for commands packing, see pack/packspu_config.c*/ /** Ramshankar: Solaris compiz fix */ #ifdef RT_OS_SOLARIS # define CR_MAX_TRANSFER_SIZE 20*1024*1024 #else # define CR_MAX_TRANSFER_SIZE 4*1024*1024 #endif /** For optimizing glXMakeCurrent */ static Display *currentDisplay = NULL; static GLXDrawable currentDrawable = 0; static GLXDrawable currentReadDrawable = 0; static void stubXshmUpdateImageRect(Display *dpy, GLXDrawable draw, GLX_Pixmap_t *pGlxPixmap, XRectangle *pRect); static void stubQueryXDamageExtension(Display *dpy, ContextInfo *pContext); static bool isGLXVisual(Display *dpy, XVisualInfo *vis) { return vis->visualid == XVisualIDFromVisual(DefaultVisual(dpy, vis->screen)); } static GLXFBConfig fbConfigFromVisual(Display *dpy, XVisualInfo *vis) { (void)dpy; if (!isGLXVisual(dpy, vis)) return 0; return (GLXFBConfig)vis->visualid; } static GLXFBConfig defaultFBConfigForScreen(Display *dpy, int screen) { return (GLXFBConfig) XVisualIDFromVisual(DefaultVisual(dpy, screen)); } static XVisualInfo *visualInfoFromFBConfig(Display *dpy, GLXFBConfig config) { XVisualInfo info, *pret; int nret; info.visualid = (VisualID)config; pret = XGetVisualInfo(dpy, VisualIDMask, &info, &nret); if (nret == 1) return pret; XFree(pret); return NULL; } DECLEXPORT(XVisualInfo *) VBOXGLXTAG(glXChooseVisual)( Display *dpy, int screen, int *attribList ) { bool useRGBA = false; int *attrib; XVisualInfo searchvis, *pret; int nvisuals; stubInit(); for (attrib = attribList; *attrib != None; attrib++) { switch (*attrib) { case GLX_USE_GL: /* ignored, this is mandatory */ break; case GLX_BUFFER_SIZE: /* this is for color-index visuals, which we don't support */ attrib++; break; case GLX_LEVEL: if (attrib[1] != 0) goto err_exit; attrib++; break; case GLX_RGBA: useRGBA = true; break; case GLX_STEREO: goto err_exit; /* crWarning( "glXChooseVisual: stereo unsupported" ); return NULL; */ break; case GLX_AUX_BUFFERS: if (attrib[1] != 0) goto err_exit; attrib++; break; case GLX_RED_SIZE: case GLX_GREEN_SIZE: case GLX_BLUE_SIZE: if (attrib[1] > 8) goto err_exit; attrib++; break; case GLX_ALPHA_SIZE: if (attrib[1] > 8) goto err_exit; attrib++; break; case GLX_DEPTH_SIZE: if (attrib[1] > 24) goto err_exit; attrib++; break; case GLX_STENCIL_SIZE: if (attrib[1] > 8) goto err_exit; attrib++; break; case GLX_ACCUM_RED_SIZE: case GLX_ACCUM_GREEN_SIZE: case GLX_ACCUM_BLUE_SIZE: case GLX_ACCUM_ALPHA_SIZE: if (attrib[1] > 16) goto err_exit; attrib++; break; case GLX_SAMPLE_BUFFERS_SGIS: /* aka GLX_SAMPLES_ARB */ if (attrib[1] > 0) goto err_exit; attrib++; break; case GLX_SAMPLES_SGIS: /* aka GLX_SAMPLES_ARB */ if (attrib[1] > 0) goto err_exit; attrib++; break; case GLX_DOUBLEBUFFER: /* @todo, check if we support it */ break; #ifdef GLX_VERSION_1_3 case GLX_X_VISUAL_TYPE: case GLX_TRANSPARENT_TYPE_EXT: case GLX_TRANSPARENT_INDEX_VALUE_EXT: case GLX_TRANSPARENT_RED_VALUE_EXT: case GLX_TRANSPARENT_GREEN_VALUE_EXT: case GLX_TRANSPARENT_BLUE_VALUE_EXT: case GLX_TRANSPARENT_ALPHA_VALUE_EXT: /* ignore */ crWarning("glXChooseVisual: ignoring attribute 0x%x", *attrib); attrib++; break; #endif default: crWarning( "glXChooseVisual: bad attrib=0x%x, ignoring", *attrib ); attrib++; //return NULL; } } if (!useRGBA) return NULL; XLOCK(dpy); searchvis.visualid = XVisualIDFromVisual(DefaultVisual(dpy, screen)); pret = XGetVisualInfo(dpy, VisualIDMask, &searchvis, &nvisuals); XUNLOCK(dpy); if (nvisuals!=1) crWarning("glXChooseVisual: XGetVisualInfo returned %i visuals for %x", nvisuals, (unsigned int) searchvis.visualid); if (pret) crDebug("glXChooseVisual returned %x depth=%i", (unsigned int)pret->visualid, pret->depth); return pret; err_exit: crDebug("glXChooseVisual returning NULL, due to attrib=0x%x, next=0x%x", attrib[0], attrib[1]); return NULL; } /** ** There is a problem with glXCopyContext. ** IRIX and Mesa both define glXCopyContext ** to have the mask argument being a ** GLuint. XFree 4 and oss.sgi.com ** define it to be an unsigned long. ** Solution: We don't support ** glXCopyContext anyway so we'll just ** \#ifdef out the code. */ DECLEXPORT(void) VBOXGLXTAG(glXCopyContext)( Display *dpy, GLXContext src, GLXContext dst, #if defined(AIX) || defined(PLAYSTATION2) GLuint mask #elif defined(SunOS) unsigned long mask #else unsigned long mask #endif ) { (void) dpy; (void) src; (void) dst; (void) mask; crWarning( "Unsupported GLX Call: glXCopyContext()" ); } /** * Get the display string for the given display pointer. * Never return just ":0.0". In that case, prefix with our host name. */ static void stubGetDisplayString( Display *dpy, char *nameResult, int maxResult ) { const char *dpyName = DisplayString(dpy); char host[1000]; host[0] = 0; if (crStrlen(host) + crStrlen(dpyName) >= maxResult - 1) { /* return null string */ crWarning("Very long host / display name string in stubDisplayString!"); nameResult[0] = 0; } else { /* return host concatenated with dpyName */ crStrcpy(nameResult, host); crStrcat(nameResult, dpyName); } } DECLEXPORT(GLXContext) VBOXGLXTAG(glXCreateContext)(Display *dpy, XVisualInfo *vis, GLXContext share, Bool direct) { char dpyName[MAX_DPY_NAME]; ContextInfo *context; int visBits = CR_RGB_BIT | CR_DOUBLE_BIT | CR_DEPTH_BIT; /* default vis */ (void)vis; stubInit(); CRASSERT(stub.contextTable); /* { int i, numExt; char **list; list = XListExtensions(dpy, &numExt); crDebug("X extensions [%i]:", numExt); for (i=0; idpy = dpy; context->direct = direct; stubQueryXDamageExtension(dpy, context); return (GLXContext) context->id; } DECLEXPORT(void) VBOXGLXTAG(glXDestroyContext)( Display *dpy, GLXContext ctx ) { (void) dpy; stubDestroyContext( (unsigned long) ctx ); } typedef struct _stubFindPixmapParms_t { ContextInfo *pCtx; GLX_Pixmap_t *pGlxPixmap; GLXDrawable draw; } stubFindPixmapParms_t; static void stubFindPixmapCB(unsigned long key, void *data1, void *data2) { ContextInfo *pCtx = (ContextInfo *) data1; stubFindPixmapParms_t *pParms = (stubFindPixmapParms_t *) data2; GLX_Pixmap_t *pGlxPixmap = (GLX_Pixmap_t *) crHashtableSearch(pCtx->pGLXPixmapsHash, (unsigned int) pParms->draw); (void)key; if (pGlxPixmap) { pParms->pCtx = pCtx; pParms->pGlxPixmap = pGlxPixmap; } } DECLEXPORT(Bool) VBOXGLXTAG(glXMakeCurrent)( Display *dpy, GLXDrawable drawable, GLXContext ctx ) { ContextInfo *context; WindowInfo *window; Bool retVal; /*crDebug("glXMakeCurrent(%p, 0x%x, 0x%x)", (void *) dpy, (int) drawable, (int) ctx);*/ /*check if passed drawable is GLXPixmap and not X Window*/ if (drawable) { GLX_Pixmap_t *pGlxPixmap = (GLX_Pixmap_t *) crHashtableSearch(stub.pGLXPixmapsHash, (unsigned int) drawable); if (!pGlxPixmap) { stubFindPixmapParms_t parms; parms.pGlxPixmap = NULL; parms.draw = drawable; crHashtableWalk(stub.contextTable, stubFindPixmapCB, &parms); pGlxPixmap = parms.pGlxPixmap; } if (pGlxPixmap) { /** @todo */ crWarning("Unimplemented glxMakeCurrent call with GLXPixmap passed, unexpected things might happen."); } } if (ctx && drawable) { crHashtableLock(stub.windowTable); crHashtableLock(stub.contextTable); context = (ContextInfo *) crHashtableSearch(stub.contextTable, (unsigned long) ctx); window = stubGetWindowInfo(dpy, drawable); if (context && context->type == UNDECIDED) { XLOCK(dpy); XSync(dpy, 0); /* sync to force window creation on the server */ XUNLOCK(dpy); } } else { dpy = NULL; window = NULL; context = NULL; } currentDisplay = dpy; currentDrawable = drawable; retVal = stubMakeCurrent(window, context); if (ctx && drawable) { crHashtableUnlock(stub.contextTable); crHashtableUnlock(stub.windowTable); } return retVal; } DECLEXPORT(GLXPixmap) VBOXGLXTAG(glXCreateGLXPixmap)( Display *dpy, XVisualInfo *vis, Pixmap pixmap ) { stubInit(); return VBOXGLXTAG(glXCreatePixmap)(dpy, fbConfigFromVisual(dpy, vis), pixmap, NULL); } DECLEXPORT(void) VBOXGLXTAG(glXDestroyGLXPixmap)( Display *dpy, GLXPixmap pix ) { VBOXGLXTAG(glXDestroyPixmap)(dpy, pix); } DECLEXPORT(int) VBOXGLXTAG(glXGetConfig)( Display *dpy, XVisualInfo *vis, int attrib, int *value ) { if (!vis) { /* SGI OpenGL Performer hits this */ crWarning("glXGetConfig called with NULL XVisualInfo"); return GLX_BAD_VISUAL; } stubInit(); *value = 0; /* For sanity */ switch ( attrib ) { case GLX_USE_GL: *value = isGLXVisual(dpy, vis); break; case GLX_BUFFER_SIZE: *value = 32; break; case GLX_LEVEL: *value = 0; /* for now */ break; case GLX_RGBA: *value = 1; break; case GLX_DOUBLEBUFFER: *value = 1; break; case GLX_STEREO: *value = 1; break; case GLX_AUX_BUFFERS: *value = 0; break; case GLX_RED_SIZE: *value = 8; break; case GLX_GREEN_SIZE: *value = 8; break; case GLX_BLUE_SIZE: *value = 8; break; case GLX_ALPHA_SIZE: *value = 8; break; case GLX_DEPTH_SIZE: *value = 24; break; case GLX_STENCIL_SIZE: *value = 8; break; case GLX_ACCUM_RED_SIZE: *value = 16; break; case GLX_ACCUM_GREEN_SIZE: *value = 16; break; case GLX_ACCUM_BLUE_SIZE: *value = 16; break; case GLX_ACCUM_ALPHA_SIZE: *value = 16; break; case GLX_SAMPLE_BUFFERS_SGIS: *value = 0; /* fix someday */ break; case GLX_SAMPLES_SGIS: *value = 0; /* fix someday */ break; case GLX_VISUAL_CAVEAT_EXT: *value = GLX_NONE_EXT; break; #if defined(SunOS) || 1 /* I don't think this is even a valid attribute for glxGetConfig. No idea why this gets called under SunOS but we simply ignore it -- jw */ case GLX_X_VISUAL_TYPE: crWarning ("Ignoring Unsupported GLX Call: glxGetConfig with attrib 0x%x", attrib); break; #endif case GLX_TRANSPARENT_TYPE: *value = GLX_NONE_EXT; break; case GLX_TRANSPARENT_INDEX_VALUE: *value = 0; break; case GLX_TRANSPARENT_RED_VALUE: *value = 0; break; case GLX_TRANSPARENT_GREEN_VALUE: *value = 0; break; case GLX_TRANSPARENT_BLUE_VALUE: *value = 0; break; case GLX_TRANSPARENT_ALPHA_VALUE: *value = 0; break; case GLX_DRAWABLE_TYPE: *value = GLX_WINDOW_BIT; break; default: crWarning( "Unsupported GLX Call: glXGetConfig with attrib 0x%x, ignoring...", attrib ); //return GLX_BAD_ATTRIBUTE; *value = 0; } return 0; } DECLEXPORT(GLXContext) VBOXGLXTAG(glXGetCurrentContext)( void ) { ContextInfo *context = stubGetCurrentContext(); if (context) return (GLXContext) context->id; else return (GLXContext) NULL; } DECLEXPORT(GLXDrawable) VBOXGLXTAG(glXGetCurrentDrawable)(void) { return currentDrawable; } DECLEXPORT(Display *) VBOXGLXTAG(glXGetCurrentDisplay)(void) { return currentDisplay; } DECLEXPORT(Bool) VBOXGLXTAG(glXIsDirect)(Display *dpy, GLXContext ctx) { (void) dpy; (void) ctx; crDebug("->glXIsDirect"); return True; } DECLEXPORT(Bool) VBOXGLXTAG(glXQueryExtension)(Display *dpy, int *errorBase, int *eventBase) { (void) dpy; (void) errorBase; (void) eventBase; return 1; /* You BET we do... */ } DECLEXPORT(Bool) VBOXGLXTAG(glXQueryVersion)( Display *dpy, int *major, int *minor ) { (void) dpy; *major = 1; *minor = 3; return 1; } DECLEXPORT(void) VBOXGLXTAG(glXSwapBuffers)( Display *dpy, GLXDrawable drawable ) { WindowInfo *window = stubGetWindowInfo(dpy, drawable); stubSwapBuffers( window, 0 ); } DECLEXPORT(void) VBOXGLXTAG(glXUseXFont)( Font font, int first, int count, int listBase ) { ContextInfo *context = stubGetCurrentContext(); Display *dpy = context->dpy; if (dpy) { stubUseXFont( dpy, font, first, count, listBase ); } else { dpy = XOpenDisplay(NULL); if (!dpy) return; stubUseXFont( dpy, font, first, count, listBase ); XCloseDisplay(dpy); } } DECLEXPORT(void) VBOXGLXTAG(glXWaitGL)( void ) { static int first_call = 1; if ( first_call ) { crDebug( "Ignoring unsupported GLX call: glXWaitGL()" ); first_call = 0; } } DECLEXPORT(void) VBOXGLXTAG(glXWaitX)( void ) { static int first_call = 1; if ( first_call ) { crDebug( "Ignoring unsupported GLX call: glXWaitX()" ); first_call = 0; } } DECLEXPORT(const char *) VBOXGLXTAG(glXQueryExtensionsString)( Display *dpy, int screen ) { /* XXX maybe also advertise GLX_SGIS_multisample? */ static const char *retval = "GLX_ARB_multisample GLX_EXT_texture_from_pixmap GLX_SGIX_fbconfig GLX_ARB_get_proc_address"; (void) dpy; (void) screen; crDebug("->glXQueryExtensionsString"); return retval; } DECLEXPORT(const char *) VBOXGLXTAG(glXGetClientString)( Display *dpy, int name ) { const char *retval; (void) dpy; (void) name; switch ( name ) { case GLX_VENDOR: retval = "Chromium"; break; case GLX_VERSION: retval = "1.3 Chromium"; break; case GLX_EXTENSIONS: /** @todo should be a screen not a name...but it's not used anyway*/ retval = glXQueryExtensionsString(dpy, name); break; default: retval = NULL; } return retval; } DECLEXPORT(const char *) VBOXGLXTAG(glXQueryServerString)( Display *dpy, int screen, int name ) { const char *retval; (void) dpy; (void) screen; switch ( name ) { case GLX_VENDOR: retval = "Chromium"; break; case GLX_VERSION: retval = "1.3 Chromium"; break; case GLX_EXTENSIONS: retval = glXQueryExtensionsString(dpy, screen); break; default: retval = NULL; } return retval; } DECLEXPORT(CR_GLXFuncPtr) VBOXGLXTAG(glXGetProcAddressARB)( const GLubyte *name ) { return (CR_GLXFuncPtr) crGetProcAddress( (const char *) name ); } DECLEXPORT(CR_GLXFuncPtr) VBOXGLXTAG(glXGetProcAddress)( const GLubyte *name ) { return (CR_GLXFuncPtr) crGetProcAddress( (const char *) name ); } #if GLX_EXTRAS DECLEXPORT(GLXPbufferSGIX) VBOXGLXTAG(glXCreateGLXPbufferSGIX)(Display *dpy, GLXFBConfigSGIX config, unsigned int width, unsigned int height, int *attrib_list) { (void) dpy; (void) config; (void) width; (void) height; (void) attrib_list; crWarning("glXCreateGLXPbufferSGIX not implemented by Chromium"); return 0; } DECLEXPORT(void) VBOXGLXTAG(glXDestroyGLXPbufferSGIX)(Display *dpy, GLXPbuffer pbuf) { (void) dpy; (void) pbuf; crWarning("glXDestroyGLXPbufferSGIX not implemented by Chromium"); } DECLEXPORT(void) VBOXGLXTAG(glXSelectEventSGIX)(Display *dpy, GLXDrawable drawable, unsigned long mask) { (void) dpy; (void) drawable; (void) mask; } DECLEXPORT(void) VBOXGLXTAG(glXGetSelectedEventSGIX)(Display *dpy, GLXDrawable drawable, unsigned long *mask) { (void) dpy; (void) drawable; (void) mask; } DECLEXPORT(int) VBOXGLXTAG(glXQueryGLXPbufferSGIX)(Display *dpy, GLXPbuffer pbuf, int attribute, unsigned int *value) { (void) dpy; (void) pbuf; (void) attribute; (void) value; crWarning("glXQueryGLXPbufferSGIX not implemented by Chromium"); return 0; } DECLEXPORT(int) VBOXGLXTAG(glXGetFBConfigAttribSGIX)(Display *dpy, GLXFBConfig config, int attribute, int *value) { return VBOXGLXTAG(glXGetFBConfigAttrib)(dpy, config, attribute, value); } DECLEXPORT(GLXFBConfigSGIX *) VBOXGLXTAG(glXChooseFBConfigSGIX)(Display *dpy, int screen, int *attrib_list, int *nelements) { return VBOXGLXTAG(glXChooseFBConfig)(dpy, screen, attrib_list, nelements); } DECLEXPORT(GLXPixmap) VBOXGLXTAG(glXCreateGLXPixmapWithConfigSGIX)(Display *dpy, GLXFBConfig config, Pixmap pixmap) { return VBOXGLXTAG(glXCreatePixmap)(dpy, config, pixmap, NULL); } DECLEXPORT(GLXContext) VBOXGLXTAG(glXCreateContextWithConfigSGIX)(Display *dpy, GLXFBConfig config, int render_type, GLXContext share_list, Bool direct) { (void)config; if (render_type!=GLX_RGBA_TYPE_SGIX) { crWarning("glXCreateContextWithConfigSGIX: Unsupported render type %i", render_type); return NULL; } return VBOXGLXTAG(glXCreateContext)(dpy, NULL, share_list, direct); } DECLEXPORT(XVisualInfo *) VBOXGLXTAG(glXGetVisualFromFBConfigSGIX)(Display *dpy, GLXFBConfig config) { return visualInfoFromFBConfig(dpy, config); } DECLEXPORT(GLXFBConfigSGIX) VBOXGLXTAG(glXGetFBConfigFromVisualSGIX)(Display *dpy, XVisualInfo *vis) { if (!vis) { return NULL; } /*Note: Caller is supposed to call XFree on returned value, so can't just return (GLXFBConfig)vis->visualid*/ return (GLXFBConfigSGIX) visualInfoFromFBConfig(dpy, fbConfigFromVisual(dpy, vis)); } /* * GLX 1.3 functions */ DECLEXPORT(GLXFBConfig *) VBOXGLXTAG(glXChooseFBConfig)(Display *dpy, int screen, ATTRIB_TYPE *attrib_list, int *nelements) { ATTRIB_TYPE *attrib; intptr_t fbconfig = 0; stubInit(); if (!attrib_list) { return VBOXGLXTAG(glXGetFBConfigs)(dpy, screen, nelements); } for (attrib = attrib_list; *attrib != None; attrib++) { switch (*attrib) { case GLX_FBCONFIG_ID: fbconfig = attrib[1]; attrib++; break; case GLX_BUFFER_SIZE: /* this is ignored except for color-index visuals, which we don't support */ attrib++; break; case GLX_LEVEL: if (attrib[1] != 0) goto err_exit; attrib++; break; case GLX_AUX_BUFFERS: if (attrib[1] != 0) goto err_exit; attrib++; break; case GLX_DOUBLEBUFFER: /* @todo, check if we support it */ attrib++; break; case GLX_STEREO: if (attrib[1] != 0) goto err_exit; attrib++; break; case GLX_RED_SIZE: case GLX_GREEN_SIZE: case GLX_BLUE_SIZE: case GLX_ALPHA_SIZE: if (attrib[1] > 8) goto err_exit; attrib++; break; case GLX_DEPTH_SIZE: if (attrib[1] > 24) goto err_exit; attrib++; break; case GLX_STENCIL_SIZE: if (attrib[1] > 8) goto err_exit; attrib++; break; case GLX_ACCUM_RED_SIZE: case GLX_ACCUM_GREEN_SIZE: case GLX_ACCUM_BLUE_SIZE: case GLX_ACCUM_ALPHA_SIZE: if (attrib[1] > 16) goto err_exit; attrib++; break; case GLX_X_RENDERABLE: case GLX_CONFIG_CAVEAT: attrib++; break; case GLX_RENDER_TYPE: if (attrib[1]!=GLX_RGBA_BIT) goto err_exit; attrib++; break; case GLX_DRAWABLE_TYPE: if ( !(attrib[1] & GLX_WINDOW_BIT) && !(attrib[1] & GLX_PIXMAP_BIT)) goto err_exit; attrib++; break; case GLX_X_VISUAL_TYPE: case GLX_TRANSPARENT_TYPE_EXT: case GLX_TRANSPARENT_INDEX_VALUE_EXT: case GLX_TRANSPARENT_RED_VALUE_EXT: case GLX_TRANSPARENT_GREEN_VALUE_EXT: case GLX_TRANSPARENT_BLUE_VALUE_EXT: case GLX_TRANSPARENT_ALPHA_VALUE_EXT: /* ignore */ crWarning("glXChooseVisual: ignoring attribute 0x%x", *attrib); attrib++; break; break; default: crWarning( "glXChooseVisual: bad attrib=0x%x, ignoring", *attrib ); attrib++; break; } } if (fbconfig) { GLXFBConfig *pGLXFBConfigs; *nelements = 1; pGLXFBConfigs = (GLXFBConfig *) crAlloc(*nelements * sizeof(GLXFBConfig)); pGLXFBConfigs[0] = (GLXFBConfig)fbconfig; return pGLXFBConfigs; } else { return VBOXGLXTAG(glXGetFBConfigs)(dpy, screen, nelements); } err_exit: crWarning("glXChooseFBConfig returning NULL, due to attrib=0x%x, next=0x%x", attrib[0], attrib[1]); return NULL; } DECLEXPORT(GLXContext) VBOXGLXTAG(glXCreateNewContext)(Display *dpy, GLXFBConfig config, int render_type, GLXContext share_list, Bool direct) { (void) dpy; (void) config; (void) render_type; (void) share_list; (void) direct; if (render_type != GLX_RGBA_TYPE) { crWarning("glXCreateNewContext, unsupported render_type %x", render_type); return NULL; } return VBOXGLXTAG(glXCreateContext)(dpy, NULL, share_list, direct); } DECLEXPORT(GLXPbuffer) VBOXGLXTAG(glXCreatePbuffer)(Display *dpy, GLXFBConfig config, ATTRIB_TYPE *attrib_list) { (void) dpy; (void) config; (void) attrib_list; crWarning("glXCreatePbuffer not implemented by Chromium"); return 0; } /* Note: there're examples where glxpixmaps are created without current context, so can't do much of the work here. * Instead we'd do necessary initialization on first use of those pixmaps. */ DECLEXPORT(GLXPixmap) VBOXGLXTAG(glXCreatePixmap)(Display *dpy, GLXFBConfig config, Pixmap pixmap, ATTRIB_TYPE *attrib_list) { ATTRIB_TYPE *attrib; GLX_Pixmap_t *pGlxPixmap; (void) dpy; (void) config; #if 0 { int x, y; unsigned int w, h; unsigned int border; unsigned int depth; Window root; crDebug("glXCreatePixmap called for %lu", pixmap); XLOCK(dpy); if (!XGetGeometry(dpy, pixmap, &root, &x, &y, &w, &h, &border, &depth)) { XSync(dpy, False); if (!XGetGeometry(dpy, pixmap, &root, &x, &y, &w, &h, &border, &depth)) { crDebug("fail"); } } crDebug("root: %lu, [%i,%i %u,%u]", root, x, y, w, h); XUNLOCK(dpy); } #endif pGlxPixmap = crCalloc(sizeof(GLX_Pixmap_t)); if (!pGlxPixmap) { crWarning("glXCreatePixmap failed to allocate memory"); return 0; } pGlxPixmap->format = GL_RGBA; pGlxPixmap->target = GL_TEXTURE_2D; if (attrib_list) { for (attrib = attrib_list; *attrib != None; attrib++) { switch (*attrib) { case GLX_TEXTURE_FORMAT_EXT: attrib++; switch (*attrib) { case GLX_TEXTURE_FORMAT_RGBA_EXT: pGlxPixmap->format = GL_RGBA; break; case GLX_TEXTURE_FORMAT_RGB_EXT: pGlxPixmap->format = GL_RGB; break; default: crDebug("Unexpected GLX_TEXTURE_FORMAT_EXT 0x%x", (unsigned int) *attrib); } break; case GLX_TEXTURE_TARGET_EXT: attrib++; switch (*attrib) { case GLX_TEXTURE_2D_EXT: pGlxPixmap->target = GL_TEXTURE_2D; break; case GLX_TEXTURE_RECTANGLE_EXT: pGlxPixmap->target = GL_TEXTURE_RECTANGLE_NV; break; default: crDebug("Unexpected GLX_TEXTURE_TARGET_EXT 0x%x", (unsigned int) *attrib); } break; default: attrib++; } } } crHashtableAdd(stub.pGLXPixmapsHash, (unsigned int) pixmap, pGlxPixmap); return (GLXPixmap) pixmap; } DECLEXPORT(GLXWindow) VBOXGLXTAG(glXCreateWindow)(Display *dpy, GLXFBConfig config, Window win, ATTRIB_TYPE *attrib_list) { GLXFBConfig *realcfg; int nconfigs; (void) config; if (stub.wsInterface.glXGetFBConfigs) { realcfg = stub.wsInterface.glXGetFBConfigs(dpy, 0, &nconfigs); if (!realcfg || nconfigs<1) { crWarning("glXCreateWindow !realcfg || nconfigs<1"); return 0; } else { return stub.wsInterface.glXCreateWindow(dpy, realcfg[0], win, attrib_list); } } else { if (attrib_list && *attrib_list!=None) { crWarning("Non empty attrib list in glXCreateWindow"); return 0; } return (GLXWindow)win; } } DECLEXPORT(void) VBOXGLXTAG(glXDestroyPbuffer)(Display *dpy, GLXPbuffer pbuf) { (void) dpy; (void) pbuf; crWarning("glXDestroyPbuffer not implemented by Chromium"); } DECLEXPORT(void) VBOXGLXTAG(glXDestroyPixmap)(Display *dpy, GLXPixmap pixmap) { stubFindPixmapParms_t parms; if (crHashtableSearch(stub.pGLXPixmapsHash, (unsigned int) pixmap)) { /*it's valid but never used glxpixmap, so simple free stored ptr*/ crHashtableDelete(stub.pGLXPixmapsHash, (unsigned int) pixmap, crFree); return; } else { /*it's either invalid glxpixmap or one which was already initialized, so it's stored in appropriate ctx hash*/ parms.pCtx = NULL; parms.pGlxPixmap = NULL; parms.draw = pixmap; crHashtableWalk(stub.contextTable, stubFindPixmapCB, &parms); } if (!parms.pGlxPixmap) { crWarning("glXDestroyPixmap called for unknown glxpixmap 0x%x", (unsigned int) pixmap); return; } XLOCK(dpy); if (parms.pGlxPixmap->gc) { XFreeGC(dpy, parms.pGlxPixmap->gc); } if (parms.pGlxPixmap->hShmPixmap>0) { XFreePixmap(dpy, parms.pGlxPixmap->hShmPixmap); } XUNLOCK(dpy); if (parms.pGlxPixmap->hDamage>0) { //crDebug("Destroy: Damage for drawable 0x%x, handle 0x%x", (unsigned int) pixmap, (unsigned int) parms.pGlxPixmap->damage); XDamageDestroy(dpy, parms.pGlxPixmap->hDamage); } if (parms.pGlxPixmap->pDamageRegion) { XDestroyRegion(parms.pGlxPixmap->pDamageRegion); } crHashtableDelete(parms.pCtx->pGLXPixmapsHash, (unsigned int) pixmap, crFree); } DECLEXPORT(void) VBOXGLXTAG(glXDestroyWindow)(Display *dpy, GLXWindow win) { (void) dpy; (void) win; /*crWarning("glXDestroyWindow not implemented by Chromium");*/ } DECLEXPORT(GLXDrawable) VBOXGLXTAG(glXGetCurrentReadDrawable)(void) { return currentReadDrawable; } DECLEXPORT(int) VBOXGLXTAG(glXGetFBConfigAttrib)(Display *dpy, GLXFBConfig config, int attribute, int *value) { XVisualInfo * pVisual; const char * pExt; switch (attribute) { case GLX_DRAWABLE_TYPE: *value = GLX_PIXMAP_BIT | GLX_WINDOW_BIT; break; case GLX_BIND_TO_TEXTURE_TARGETS_EXT: *value = GLX_TEXTURE_2D_BIT_EXT; pExt = (const char *) stub.spu->dispatch_table.GetString(GL_EXTENSIONS); if (crStrstr(pExt, "GL_NV_texture_rectangle") || crStrstr(pExt, "GL_ARB_texture_rectangle") || crStrstr(pExt, "GL_EXT_texture_rectangle")) { *value |= GLX_TEXTURE_RECTANGLE_BIT_EXT; } break; case GLX_BIND_TO_TEXTURE_RGBA_EXT: *value = True; break; case GLX_BIND_TO_TEXTURE_RGB_EXT: *value = True; break; case GLX_DOUBLEBUFFER: //crDebug("attribute=GLX_DOUBLEBUFFER"); *value = True; break; case GLX_Y_INVERTED_EXT: *value = True; break; case GLX_ALPHA_SIZE: //crDebug("attribute=GLX_ALPHA_SIZE"); *value = 8; break; case GLX_BUFFER_SIZE: //crDebug("attribute=GLX_BUFFER_SIZE"); *value = 32; break; case GLX_STENCIL_SIZE: //crDebug("attribute=GLX_STENCIL_SIZE"); *value = 8; break; case GLX_DEPTH_SIZE: *value = 24; //crDebug("attribute=GLX_DEPTH_SIZE"); break; case GLX_BIND_TO_MIPMAP_TEXTURE_EXT: *value = 0; break; case GLX_RENDER_TYPE: //crDebug("attribute=GLX_RENDER_TYPE"); *value = GLX_RGBA_BIT; break; case GLX_CONFIG_CAVEAT: //crDebug("attribute=GLX_CONFIG_CAVEAT"); *value = GLX_NONE; break; case GLX_VISUAL_ID: //crDebug("attribute=GLX_VISUAL_ID"); pVisual = visualInfoFromFBConfig(dpy, config); if (!pVisual) { crWarning("glXGetFBConfigAttrib for %p, failed to get XVisualInfo", config); return GLX_BAD_ATTRIBUTE; } *value = pVisual->visualid; XFree(pVisual); break; case GLX_FBCONFIG_ID: *value = (int)(intptr_t)config; break; case GLX_RED_SIZE: case GLX_GREEN_SIZE: case GLX_BLUE_SIZE: *value = 8; break; case GLX_LEVEL: *value = 0; break; case GLX_STEREO: *value = false; break; case GLX_AUX_BUFFERS: *value = 0; break; case GLX_ACCUM_RED_SIZE: case GLX_ACCUM_GREEN_SIZE: case GLX_ACCUM_BLUE_SIZE: case GLX_ACCUM_ALPHA_SIZE: *value = 0; break; case GLX_X_VISUAL_TYPE: *value = GLX_TRUE_COLOR; break; case GLX_TRANSPARENT_TYPE: *value = GLX_NONE; break; case GLX_SAMPLE_BUFFERS: case GLX_SAMPLES: *value = 1; break; case GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT: *value = 0; break; default: crDebug("glXGetFBConfigAttrib: unknown attribute=0x%x", attribute); return GLX_BAD_ATTRIBUTE; } return Success; } DECLEXPORT(GLXFBConfig *) VBOXGLXTAG(glXGetFBConfigs)(Display *dpy, int screen, int *nelements) { int i; GLXFBConfig *pGLXFBConfigs = crAlloc(sizeof(GLXFBConfig)); *nelements = 1; XLOCK(dpy); *pGLXFBConfigs = defaultFBConfigForScreen(dpy, screen); XUNLOCK(dpy); crDebug("glXGetFBConfigs returned %i configs", *nelements); for (i=0; i<*nelements; ++i) { crDebug("glXGetFBConfigs[%i]=0x%x", i, (unsigned)(uintptr_t) pGLXFBConfigs[i]); } return pGLXFBConfigs; } DECLEXPORT(void) VBOXGLXTAG(glXGetSelectedEvent)(Display *dpy, GLXDrawable draw, unsigned long *event_mask) { (void) dpy; (void) draw; (void) event_mask; crWarning("glXGetSelectedEvent not implemented by Chromium"); } DECLEXPORT(XVisualInfo *) VBOXGLXTAG(glXGetVisualFromFBConfig)(Display *dpy, GLXFBConfig config) { return visualInfoFromFBConfig(dpy, config); } DECLEXPORT(Bool) VBOXGLXTAG(glXMakeContextCurrent)(Display *display, GLXDrawable draw, GLXDrawable read, GLXContext ctx) { currentReadDrawable = read; return VBOXGLXTAG(glXMakeCurrent)(display, draw, ctx); } DECLEXPORT(int) VBOXGLXTAG(glXQueryContext)(Display *dpy, GLXContext ctx, int attribute, int *value) { (void) dpy; (void) ctx; (void) attribute; (void) value; crWarning("glXQueryContext not implemented by Chromium"); return 0; } DECLEXPORT(void) VBOXGLXTAG(glXQueryDrawable)(Display *dpy, GLXDrawable draw, int attribute, unsigned int *value) { (void) dpy; (void) draw; (void) attribute; (void) value; crWarning("glXQueryDrawable not implemented by Chromium"); } DECLEXPORT(void) VBOXGLXTAG(glXSelectEvent)(Display *dpy, GLXDrawable draw, unsigned long event_mask) { (void) dpy; (void) draw; (void) event_mask; crWarning("glXSelectEvent not implemented by Chromium"); } #ifdef CR_EXT_texture_from_pixmap /*typedef struct { int x, y; unsigned int w, h, border, depth; Window root; void *data; } pminfo;*/ static void stubInitXSharedMemory(Display *dpy) { int vma, vmi; Bool pixmaps; if (stub.bShmInitFailed || stub.xshmSI.shmid>=0) return; stub.bShmInitFailed = GL_TRUE; /* Check for extension and pixmaps format */ XLOCK(dpy); if (!XShmQueryExtension(dpy)) { crWarning("No XSHM extension"); XUNLOCK(dpy); return; } if (!XShmQueryVersion(dpy, &vma, &vmi, &pixmaps) || !pixmaps) { crWarning("XSHM extension doesn't support pixmaps"); XUNLOCK(dpy); return; } if (XShmPixmapFormat(dpy)!=ZPixmap) { crWarning("XSHM extension doesn't support ZPixmap format"); XUNLOCK(dpy); return; } XUNLOCK(dpy); /* Alloc shared memory, so far using hardcoded value...could fail for bigger displays one day */ stub.xshmSI.readOnly = false; stub.xshmSI.shmid = shmget(IPC_PRIVATE, 4*4096*2048, IPC_CREAT | 0600); if (stub.xshmSI.shmid<0) { crWarning("XSHM Failed to create shared segment"); return; } stub.xshmSI.shmaddr = (char*) shmat(stub.xshmSI.shmid, NULL, 0); if (stub.xshmSI.shmaddr==(void*)-1) { crWarning("XSHM Failed to attach shared segment"); shmctl(stub.xshmSI.shmid, IPC_RMID, 0); return; } XLOCK(dpy); if (!XShmAttach(dpy, &stub.xshmSI)) { crWarning("XSHM Failed to attach shared segment to XServer"); shmctl(stub.xshmSI.shmid, IPC_RMID, 0); shmdt(stub.xshmSI.shmaddr); XUNLOCK(dpy); return; } XUNLOCK(dpy); stub.bShmInitFailed = GL_FALSE; crInfo("Using XSHM for GLX_EXT_texture_from_pixmap"); /*Anyway mark to be deleted when our process detaches it, in case of segfault etc*/ /* Ramshankar: Solaris compiz fix */ #ifndef RT_OS_SOLARIS shmctl(stub.xshmSI.shmid, IPC_RMID, 0); #endif } void stubQueryXDamageExtension(Display *dpy, ContextInfo *pContext) { int erb, vma, vmi; CRASSERT(pContext); if (pContext->damageQueryFailed) return; pContext->damageQueryFailed = True; if (!XDamageQueryExtension(dpy, &pContext->damageEventsBase, &erb) || !XDamageQueryVersion(dpy, &vma, &vmi)) { crWarning("XDamage not found or old version (%i.%i), going to run *very* slow", vma, vmi); return; } crDebug("XDamage %i.%i", vma, vmi); pContext->damageQueryFailed = False; } static void stubFetchDamageOnDrawable(Display *dpy, GLX_Pixmap_t *pGlxPixmap) { Damage damage = pGlxPixmap->hDamage; if (damage) { XRectangle *returnRects; int nReturnRects; /* Get the damage region as a server region */ XserverRegion serverDamageRegion = XFixesCreateRegion (dpy, NULL, 0); /* Unite damage region with server region and clear damage region */ XDamageSubtract (dpy, damage, None, /* subtract all damage from this region */ serverDamageRegion /* save in serverDamageRegion */); /* Fetch damage rectangles */ returnRects = XFixesFetchRegion (dpy, serverDamageRegion, &nReturnRects); /* Delete region */ XFixesDestroyRegion (dpy, serverDamageRegion); if (pGlxPixmap->pDamageRegion) { /* If it's dirty and regions are empty, it marked for full update, so do nothing.*/ if (!pGlxPixmap->bPixmapImageDirty || !XEmptyRegion(pGlxPixmap->pDamageRegion)) { int i = 0; for (; i < nReturnRects; ++i) { if (CR_MAX_DAMAGE_REGIONS_TRACKED <= pGlxPixmap->pDamageRegion->numRects) { /* Mark for full update */ EMPTY_REGION(pGlxPixmap->pDamageRegion); } else { /* Add to damage regions */ XUnionRectWithRegion(&returnRects[i], pGlxPixmap->pDamageRegion, pGlxPixmap->pDamageRegion); } } } } XFree(returnRects); pGlxPixmap->bPixmapImageDirty = True; } } static const CRPixelPackState defaultPacking = { 0, /*rowLength*/ 0, /*skipRows*/ 0, /*skipPixels*/ 1, /*alignment*/ 0, /*imageHeight*/ 0, /*skipImages*/ GL_FALSE, /*swapBytes*/ GL_FALSE /*lsbFirst*/ }; static void stubGetUnpackState(CRPixelPackState *pUnpackState) { stub.spu->dispatch_table.GetIntegerv(GL_UNPACK_ROW_LENGTH, &pUnpackState->rowLength); stub.spu->dispatch_table.GetIntegerv(GL_UNPACK_SKIP_ROWS, &pUnpackState->skipRows); stub.spu->dispatch_table.GetIntegerv(GL_UNPACK_SKIP_PIXELS, &pUnpackState->skipPixels); stub.spu->dispatch_table.GetIntegerv(GL_UNPACK_ALIGNMENT, &pUnpackState->alignment); stub.spu->dispatch_table.GetBooleanv(GL_UNPACK_SWAP_BYTES, &pUnpackState->swapBytes); stub.spu->dispatch_table.GetBooleanv(GL_UNPACK_LSB_FIRST, &pUnpackState->psLSBFirst); } static void stubSetUnpackState(const CRPixelPackState *pUnpackState) { stub.spu->dispatch_table.PixelStorei(GL_UNPACK_ROW_LENGTH, pUnpackState->rowLength); stub.spu->dispatch_table.PixelStorei(GL_UNPACK_SKIP_ROWS, pUnpackState->skipRows); stub.spu->dispatch_table.PixelStorei(GL_UNPACK_SKIP_PIXELS, pUnpackState->skipPixels); stub.spu->dispatch_table.PixelStorei(GL_UNPACK_ALIGNMENT, pUnpackState->alignment); stub.spu->dispatch_table.PixelStorei(GL_UNPACK_SWAP_BYTES, pUnpackState->swapBytes); stub.spu->dispatch_table.PixelStorei(GL_UNPACK_LSB_FIRST, pUnpackState->psLSBFirst); } static GLX_Pixmap_t* stubInitGlxPixmap(GLX_Pixmap_t* pCreateInfoPixmap, Display *dpy, GLXDrawable draw, ContextInfo *pContext) { int x, y; unsigned int w, h; unsigned int border; unsigned int depth; Window root; GLX_Pixmap_t *pGlxPixmap; CRASSERT(pContext && pCreateInfoPixmap); XLOCK(dpy); if (!XGetGeometry(dpy, (Pixmap)draw, &root, &x, &y, &w, &h, &border, &depth)) { XSync(dpy, False); if (!XGetGeometry(dpy, (Pixmap)draw, &root, &x, &y, &w, &h, &border, &depth)) { crWarning("stubInitGlxPixmap failed in call to XGetGeometry for 0x%x", (int) draw); XUNLOCK(dpy); return NULL; } } pGlxPixmap = crAlloc(sizeof(GLX_Pixmap_t)); if (!pGlxPixmap) { crWarning("stubInitGlxPixmap failed to allocate memory"); XUNLOCK(dpy); return NULL; } pGlxPixmap->x = x; pGlxPixmap->y = y; pGlxPixmap->w = w; pGlxPixmap->h = h; pGlxPixmap->border = border; pGlxPixmap->depth = depth; pGlxPixmap->root = root; pGlxPixmap->format = pCreateInfoPixmap->format; pGlxPixmap->target = pCreateInfoPixmap->target; /* Try to allocate shared memory * As we're allocating huge chunk of memory, do it in this function, only if this extension is really used */ if (!stub.bShmInitFailed && stub.xshmSI.shmid<0) { stubInitXSharedMemory(dpy); } if (stub.xshmSI.shmid>=0) { XGCValues xgcv; xgcv.graphics_exposures = False; xgcv.subwindow_mode = IncludeInferiors; pGlxPixmap->gc = XCreateGC(dpy, (Pixmap)draw, GCGraphicsExposures|GCSubwindowMode, &xgcv); pGlxPixmap->hShmPixmap = XShmCreatePixmap(dpy, pGlxPixmap->root, stub.xshmSI.shmaddr, &stub.xshmSI, pGlxPixmap->w, pGlxPixmap->h, pGlxPixmap->depth); } else { pGlxPixmap->gc = NULL; pGlxPixmap->hShmPixmap = 0; } XUNLOCK(dpy); /* If there's damage extension, then get handle for damage events related to this pixmap */ if (!pContext->damageQueryFailed) { pGlxPixmap->hDamage = XDamageCreate(dpy, (Pixmap)draw, XDamageReportNonEmpty); /*crDebug("Create: Damage for drawable 0x%x, handle 0x%x (level=%i)", (unsigned int) draw, (unsigned int) pGlxPixmap->damage, (int) XDamageReportRawRectangles);*/ pGlxPixmap->pDamageRegion = XCreateRegion(); if (!pGlxPixmap->pDamageRegion) { crWarning("stubInitGlxPixmap failed to create empty damage region for drawable 0x%x", (unsigned int) draw); } /*We have never seen this pixmap before, so mark it as dirty for first use*/ pGlxPixmap->bPixmapImageDirty = True; } else { pGlxPixmap->hDamage = 0; pGlxPixmap->pDamageRegion = NULL; } /* glTexSubImage2D generates GL_INVALID_OP if texture array hasn't been defined by a call to glTexImage2D first. * It's fine for small textures which would be updated in stubXshmUpdateWholeImage, but we'd never call glTexImage2D for big ones. * Note that we're making empty texture by passing NULL as pixels pointer, so there's no overhead transferring data to host.*/ if (CR_MAX_TRANSFER_SIZE < 4*pGlxPixmap->w*pGlxPixmap->h) { stub.spu->dispatch_table.TexImage2D(pGlxPixmap->target, 0, pGlxPixmap->format, pGlxPixmap->w, pGlxPixmap->h, 0, GL_BGRA, GL_UNSIGNED_BYTE, NULL); } crHashtableAdd(pContext->pGLXPixmapsHash, (unsigned int) draw, pGlxPixmap); crHashtableDelete(stub.pGLXPixmapsHash, (unsigned int) draw, crFree); return pGlxPixmap; } static void stubXshmUpdateWholeImage(Display *dpy, GLXDrawable draw, GLX_Pixmap_t *pGlxPixmap) { /* To limit the size of transferring buffer, split bigger texture into regions * which fit into connection buffer. Could be done in hgcm or packspu but implementation in this place allows to avoid * unnecessary memcpy. * This also workarounds guest driver failures when sending 6+mb texture buffers on linux. */ if (CR_MAX_TRANSFER_SIZE < 4*pGlxPixmap->w*pGlxPixmap->h) { XRectangle rect; rect.x = pGlxPixmap->x; rect.y = pGlxPixmap->y; rect.width = pGlxPixmap->w; rect.height = CR_MAX_TRANSFER_SIZE/(4*pGlxPixmap->w); /*crDebug("Texture size too big, splitting in lower sized chunks. [%i,%i,%i,%i] (%i)", pGlxPixmap->x, pGlxPixmap->y, pGlxPixmap->w, pGlxPixmap->h, rect.height);*/ for (; (rect.y+rect.height)<=(pGlxPixmap->y+(int)pGlxPixmap->h); rect.y+=rect.height) { stubXshmUpdateImageRect(dpy, draw, pGlxPixmap, &rect); } if (rect.y!=(pGlxPixmap->y+(int)pGlxPixmap->h)) { rect.height=pGlxPixmap->h-rect.y; stubXshmUpdateImageRect(dpy, draw, pGlxPixmap, &rect); } } else { CRPixelPackState unpackState; XLOCK(dpy); XCopyArea(dpy, (Pixmap)draw, pGlxPixmap->hShmPixmap, pGlxPixmap->gc, pGlxPixmap->x, pGlxPixmap->y, pGlxPixmap->w, pGlxPixmap->h, 0, 0); /* Have to make sure XCopyArea is processed */ XSync(dpy, False); XUNLOCK(dpy); stubGetUnpackState(&unpackState); stubSetUnpackState(&defaultPacking); stub.spu->dispatch_table.TexImage2D(pGlxPixmap->target, 0, pGlxPixmap->format, pGlxPixmap->w, pGlxPixmap->h, 0, GL_BGRA, GL_UNSIGNED_BYTE, stub.xshmSI.shmaddr); stubSetUnpackState(&unpackState); /*crDebug("Sync texture for drawable 0x%x(dmg handle 0x%x) [%i,%i,%i,%i]", (unsigned int) draw, (unsigned int)pGlxPixmap->hDamage, pGlxPixmap->x, pGlxPixmap->y, pGlxPixmap->w, pGlxPixmap->h);*/ } } static void stubXshmUpdateImageRect(Display *dpy, GLXDrawable draw, GLX_Pixmap_t *pGlxPixmap, XRectangle *pRect) { /* See comment in stubXshmUpdateWholeImage */ if (CR_MAX_TRANSFER_SIZE < 4*pRect->width*pRect->height) { XRectangle rect; rect.x = pRect->x; rect.y = pRect->y; rect.width = pRect->width; rect.height = CR_MAX_TRANSFER_SIZE/(4*pRect->width); /*crDebug("Region size too big, splitting in lower sized chunks. [%i,%i,%i,%i] (%i)", pRect->x, pRect->y, pRect->width, pRect->height, rect.height);*/ for (; (rect.y+rect.height)<=(pRect->y+pRect->height); rect.y+=rect.height) { stubXshmUpdateImageRect(dpy, draw, pGlxPixmap, &rect); } if (rect.y!=(pRect->y+pRect->height)) { rect.height=pRect->y+pRect->height-rect.y; stubXshmUpdateImageRect(dpy, draw, pGlxPixmap, &rect); } } else { CRPixelPackState unpackState; XLOCK(dpy); XCopyArea(dpy, (Pixmap)draw, pGlxPixmap->hShmPixmap, pGlxPixmap->gc, pRect->x, pRect->y, pRect->width, pRect->height, 0, 0); /* Have to make sure XCopyArea is processed */ XSync(dpy, False); XUNLOCK(dpy); stubGetUnpackState(&unpackState); stubSetUnpackState(&defaultPacking); if (pRect->width!=pGlxPixmap->w) { stub.spu->dispatch_table.PixelStorei(GL_UNPACK_ROW_LENGTH, pGlxPixmap->w); } stub.spu->dispatch_table.TexSubImage2D(pGlxPixmap->target, 0, pRect->x, pRect->y, pRect->width, pRect->height, GL_BGRA, GL_UNSIGNED_BYTE, stub.xshmSI.shmaddr); stubSetUnpackState(&unpackState); /*crDebug("Region sync texture for drawable 0x%x(dmg handle 0x%x) [%i,%i,%i,%i]", (unsigned int) draw, (unsigned int)pGlxPixmap->hDamage, pRect->x, pRect->y, pRect->width, pRect->height);*/ } } #if 0 Bool checkevents(Display *display, XEvent *event, XPointer arg) { //crDebug("got type: 0x%x", event->type); if (event->type==damage_evb+XDamageNotify) { ContextInfo *context = stubGetCurrentContext(); XDamageNotifyEvent *e = (XDamageNotifyEvent *) event; /* we're interested in pixmaps only...and those have e->drawable set to 0 or other strange value for some odd reason * so have to walk glxpixmaps hashtable to find if we have damage event handle assigned to some pixmap */ /*crDebug("Event: Damage for drawable 0x%x, handle 0x%x (level=%i) [%i,%i,%i,%i]", (unsigned int) e->drawable, (unsigned int) e->damage, (int) e->level, e->area.x, e->area.y, e->area.width, e->area.height);*/ CRASSERT(context); crHashtableWalk(context->pGLXPixmapsHash, checkdamageCB, e); } return False; } #endif /** @todo check what error codes could we throw for failures here*/ DECLEXPORT(void) VBOXGLXTAG(glXBindTexImageEXT)(Display *dpy, GLXDrawable draw, int buffer, const int *attrib_list) { ContextInfo *context = stubGetCurrentContext(); GLX_Pixmap_t *pGlxPixmap; RT_NOREF(buffer, attrib_list); if (!context) { crWarning("glXBindTexImageEXT called without current context"); return; } pGlxPixmap = (GLX_Pixmap_t *) crHashtableSearch(context->pGLXPixmapsHash, (unsigned int) draw); if (!pGlxPixmap) { pGlxPixmap = (GLX_Pixmap_t *) crHashtableSearch(stub.pGLXPixmapsHash, (unsigned int) draw); if (!pGlxPixmap) { crDebug("Unknown drawable 0x%x in glXBindTexImageEXT!", (unsigned int) draw); return; } pGlxPixmap = stubInitGlxPixmap(pGlxPixmap, dpy, draw, context); if (!pGlxPixmap) { crDebug("glXBindTexImageEXT failed to get pGlxPixmap"); return; } } /* If there's damage extension, then process incoming events as we need the information right now */ if (!context->damageQueryFailed) { /* Sync connection */ XLOCK(dpy); XSync(dpy, False); XUNLOCK(dpy); stubFetchDamageOnDrawable(dpy, pGlxPixmap); } /* No shared memory? Rollback to use slow x protocol then */ if (stub.xshmSI.shmid<0) { /** @todo add damage support here too*/ XImage *pxim; CRPixelPackState unpackState; XLOCK(dpy); pxim = XGetImage(dpy, (Pixmap)draw, pGlxPixmap->x, pGlxPixmap->y, pGlxPixmap->w, pGlxPixmap->h, AllPlanes, ZPixmap); XUNLOCK(dpy); /*if (pxim) { if (!ptextable) { ptextable = crAllocHashtable(); } pm = crHashtableSearch(ptextable, (unsigned int) draw); if (!pm) { pm = crCalloc(sizeof(pminfo)); crHashtableAdd(ptextable, (unsigned int) draw, pm); } pm->w = w; pm->h = h; if (pm->data) crFree(pm->data); pm->data = crAlloc(4*w*h); crMemcpy(pm->data, (void*)(&(pxim->data[0])), 4*w*h); }*/ if (NULL==pxim) { crWarning("Failed, to get pixmap data for 0x%x", (unsigned int) draw); return; } stubGetUnpackState(&unpackState); stubSetUnpackState(&defaultPacking); stub.spu->dispatch_table.TexImage2D(pGlxPixmap->target, 0, pGlxPixmap->format, pxim->width, pxim->height, 0, GL_BGRA, GL_UNSIGNED_BYTE, (void*)(&(pxim->data[0]))); stubSetUnpackState(&unpackState); XDestroyImage(pxim); } else /* Use shm to get pixmap data */ { /* Check if we have damage extension */ if (!context->damageQueryFailed) { if (pGlxPixmap->bPixmapImageDirty) { /* Either we failed to allocate damage region or this pixmap is marked for full update */ if (!pGlxPixmap->pDamageRegion || XEmptyRegion(pGlxPixmap->pDamageRegion)) { /*crDebug("**FULL** update for 0x%x", (unsigned int)draw);*/ stubXshmUpdateWholeImage(dpy, draw, pGlxPixmap); } else { long fullArea, damageArea=0, clipdamageArea, i; XRectangle damageClipBox; fullArea = pGlxPixmap->w * pGlxPixmap->h; XClipBox(pGlxPixmap->pDamageRegion, &damageClipBox); clipdamageArea = damageClipBox.width * damageClipBox.height; //crDebug("FullSize [%i,%i,%i,%i]", pGlxPixmap->x, pGlxPixmap->y, pGlxPixmap->w, pGlxPixmap->h); //crDebug("Clip [%i,%i,%i,%i]", damageClipBox.x, damageClipBox.y, damageClipBox.width, damageClipBox.height); for (i=0; ipDamageRegion->numRects; ++i) { BoxPtr pBox = &pGlxPixmap->pDamageRegion->rects[i]; damageArea += (pBox->x2-pBox->x1)*(pBox->y2-pBox->y1); //crDebug("Damage rect [%i,%i,%i,%i]", pBox->x1, pBox->y1, pBox->x2, pBox->y2); } if (damageArea>clipdamageArea || clipdamageArea>fullArea) { crWarning("glXBindTexImageEXT, damage regions seems to be broken, forcing full update"); /*crDebug("**FULL** update for 0x%x, numRect=%li, *FS*=%li, CS=%li, DS=%li", (unsigned int)draw, pGlxPixmap->pDamageRegion->numRects, fullArea, clipdamageArea, damageArea);*/ stubXshmUpdateWholeImage(dpy, draw, pGlxPixmap); } else /*We have corect damage info*/ { if (CR_MIN_DAMAGE_PROFIT_SIZE > (fullArea-damageArea)) { /*crDebug("**FULL** update for 0x%x, numRect=%li, *FS*=%li, CS=%li, DS=%li", (unsigned int)draw, pGlxPixmap->pDamageRegion->numRects, fullArea, clipdamageArea, damageArea);*/ stubXshmUpdateWholeImage(dpy, draw, pGlxPixmap); } else if (CR_MIN_DAMAGE_PROFIT_SIZE > (clipdamageArea-damageArea)) { /*crDebug("**PARTIAL** update for 0x%x, numRect=%li, FS=%li, *CS*=%li, DS=%li", (unsigned int)draw, pGlxPixmap->pDamageRegion->numRects, fullArea, clipdamageArea, damageArea);*/ stubXshmUpdateImageRect(dpy, draw, pGlxPixmap, &damageClipBox); } else { /*crDebug("**PARTIAL** update for 0x%x, numRect=*%li*, FS=%li, CS=%li, *DS*=%li", (unsigned int)draw, pGlxPixmap->pDamageRegion->numRects, fullArea, clipdamageArea, damageArea);*/ for (i=0; ipDamageRegion->numRects; ++i) { XRectangle rect; BoxPtr pBox = &pGlxPixmap->pDamageRegion->rects[i]; rect.x = pBox->x1; rect.y = pBox->y1; rect.width = pBox->x2-pBox->x1; rect.height = pBox->y2-pBox->y1; stubXshmUpdateImageRect(dpy, draw, pGlxPixmap, &rect); } } } } /* Clean dirty flag and damage region */ pGlxPixmap->bPixmapImageDirty = False; if (pGlxPixmap->pDamageRegion) EMPTY_REGION(pGlxPixmap->pDamageRegion); } } else { stubXshmUpdateWholeImage(dpy, draw, pGlxPixmap); } } } DECLEXPORT(void) VBOXGLXTAG(glXReleaseTexImageEXT)(Display *dpy, GLXDrawable draw, int buffer) { (void) dpy; (void) draw; (void) buffer; //crDebug("glXReleaseTexImageEXT 0x%x", (unsigned int)draw); } #endif #endif /* GLX_EXTRAS */ #ifdef GLX_SGIX_video_resize /* more dummy funcs. These help when linking with older GLUTs */ DECLEXPORT(int) VBOXGLXTAG(glXBindChannelToWindowSGIX)(Display *dpy, int scrn, int chan, Window w) { (void) dpy; (void) scrn; (void) chan; (void) w; crDebug("glXBindChannelToWindowSGIX"); return 0; } DECLEXPORT(int) VBOXGLXTAG(glXChannelRectSGIX)(Display *dpy, int scrn, int chan, int x , int y, int w, int h) { (void) dpy; (void) scrn; (void) chan; (void) x; (void) y; (void) w; (void) h; crDebug("glXChannelRectSGIX"); return 0; } DECLEXPORT(int) VBOXGLXTAG(glXQueryChannelRectSGIX)(Display *dpy, int scrn, int chan, int *x, int *y, int *w, int *h) { (void) dpy; (void) scrn; (void) chan; (void) x; (void) y; (void) w; (void) h; crDebug("glXQueryChannelRectSGIX"); return 0; } DECLEXPORT(int) VBOXGLXTAG(glXQueryChannelDeltasSGIX)(Display *dpy, int scrn, int chan, int *dx, int *dy, int *dw, int *dh) { (void) dpy; (void) scrn; (void) chan; (void) dx; (void) dy; (void) dw; (void) dh; crDebug("glXQueryChannelDeltasSGIX"); return 0; } DECLEXPORT(int) VBOXGLXTAG(glXChannelRectSyncSGIX)(Display *dpy, int scrn, int chan, GLenum synctype) { (void) dpy; (void) scrn; (void) chan; (void) synctype; crDebug("glXChannelRectSyncSGIX"); return 0; } #endif /* GLX_SGIX_video_resize */ #ifdef VBOXOGL_FAKEDRI DECLEXPORT(const char *) VBOXGLXTAG(glXGetDriverConfig)(const char *driverName) { return NULL; } DECLEXPORT(void) VBOXGLXTAG(glXFreeMemoryMESA)(Display *dpy, int scrn, void *pointer) { (void) dpy; (void) scrn; (void) pointer; } DECLEXPORT(GLXContext) VBOXGLXTAG(glXImportContextEXT)(Display *dpy, GLXContextID contextID) { (void) dpy; (void) contextID; return NULL; } DECLEXPORT(GLXContextID) VBOXGLXTAG(glXGetContextIDEXT)(const GLXContext ctx) { (void) ctx; return 0; } DECLEXPORT(Bool) VBOXGLXTAG(glXMakeCurrentReadSGI)(Display *display, GLXDrawable draw, GLXDrawable read, GLXContext ctx) { return VBOXGLXTAG(glXMakeContextCurrent)(display, draw, read, ctx); } DECLEXPORT(const char *) VBOXGLXTAG(glXGetScreenDriver)(Display *dpy, int scrNum) { static char *screendriver = "vboxvideo"; return screendriver; } DECLEXPORT(Display *) VBOXGLXTAG(glXGetCurrentDisplayEXT)(void) { return VBOXGLXTAG(glXGetCurrentDisplay()); } DECLEXPORT(void) VBOXGLXTAG(glXFreeContextEXT)(Display *dpy, GLXContext ctx) { VBOXGLXTAG(glXDestroyContext(dpy, ctx)); } /*Mesa internal*/ DECLEXPORT(int) VBOXGLXTAG(glXQueryContextInfoEXT)(Display *dpy, GLXContext ctx) { (void) dpy; (void) ctx; return 0; } DECLEXPORT(void *) VBOXGLXTAG(glXAllocateMemoryMESA)(Display *dpy, int scrn, size_t size, float readFreq, float writeFreq, float priority) { (void) dpy; (void) scrn; (void) size; (void) readFreq; (void) writeFreq; (void) priority; return NULL; } DECLEXPORT(GLuint) VBOXGLXTAG(glXGetMemoryOffsetMESA)(Display *dpy, int scrn, const void *pointer) { (void) dpy; (void) scrn; (void) pointer; return 0; } DECLEXPORT(GLXPixmap) VBOXGLXTAG(glXCreateGLXPixmapMESA)(Display *dpy, XVisualInfo *visual, Pixmap pixmap, Colormap cmap) { (void) dpy; (void) visual; (void) pixmap; (void) cmap; return 0; } #endif /*VBOXOGL_FAKEDRI*/