/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is mozilla.org code. * * The Initial Developer of the Original Code is * Mozilla Corporation. * Portions created by the Initial Developer are Copyright (C) 2010 * the Initial Developer. All Rights Reserved. * * Contributor(s): * Vladimir Vukicevic * Mark Steele * Bas Schouten * Frederic Plourde * * Alternatively, the contents of this file may be used under the terms of * either the GNU General Public License Version 2 or later (the "GPL"), or * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ #include "mozilla/Util.h" #if defined(XP_UNIX) #ifdef MOZ_WIDGET_GTK2 #include // we're using default display for now #define GET_NATIVE_WINDOW(aWidget) (EGLNativeWindowType)GDK_WINDOW_XID((GdkWindow *) aWidget->GetNativeData(NS_NATIVE_WINDOW)) #elif defined(MOZ_WIDGET_QT) #include #define GLdouble_defined 1 // we're using default display for now #define GET_NATIVE_WINDOW(aWidget) (EGLNativeWindowType)static_cast(aWidget->GetNativeData(NS_NATIVE_SHELLWIDGET))->winId() #endif #if defined(MOZ_X11) #include #include #include "mozilla/X11Util.h" #include "gfxXlibSurface.h" #endif #if defined(ANDROID) /* from widget */ #include "AndroidBridge.h" #define EGL_LIB "/system/lib/libEGL.so" #define GLES2_LIB "/system/lib/libGLESv2.so" #else #define EGL_LIB "/usr/lib/libEGL.so" #define GLES2_LIB "/usr/lib/libGLESv2.so" #endif typedef void *EGLNativeDisplayType; typedef void *EGLNativePixmapType; typedef void *EGLNativeWindowType; #elif defined(XP_WIN) #include "mozilla/Preferences.h" #include "nsILocalFile.h" #ifndef WIN32_LEAN_AND_MEAN #define WIN32_LEAN_AND_MEAN 1 #endif #include typedef HDC EGLNativeDisplayType; typedef HBITMAP EGLNativePixmapType; typedef HWND EGLNativeWindowType; #define GET_NATIVE_WINDOW(aWidget) ((EGLNativeWindowType)aWidget->GetNativeData(NS_NATIVE_WINDOW)) #define EGL_LIB "libEGL.dll" #define GLES2_LIB "libGLESv2.dll" // a little helper class AutoDestroyHWND { public: AutoDestroyHWND(HWND aWnd = NULL) : mWnd(aWnd) { } ~AutoDestroyHWND() { if (mWnd) { ::DestroyWindow(mWnd); } } operator HWND() { return mWnd; } HWND forget() { HWND w = mWnd; mWnd = NULL; return w; } HWND operator=(HWND aWnd) { if (mWnd && mWnd != aWnd) { ::DestroyWindow(mWnd); } mWnd = aWnd; return mWnd; } HWND mWnd; }; #else #error "Platform not recognized" #endif #include "gfxUtils.h" #include "gfxFailure.h" #include "gfxASurface.h" #include "gfxImageSurface.h" #include "gfxPlatform.h" #include "GLContextProvider.h" #include "nsDebug.h" #include "nsThreadUtils.h" #include "EGLUtils.h" #include "nsIWidget.h" #include "gfxCrashReporterUtils.h" #ifdef MOZ_PLATFORM_MAEMO static bool gUseBackingSurface = true; #else static bool gUseBackingSurface = false; #endif namespace mozilla { namespace gl { typedef int EGLint; typedef unsigned int EGLBoolean; typedef unsigned int EGLenum; typedef void *EGLConfig; typedef void *EGLContext; typedef void *EGLDisplay; typedef void *EGLSurface; typedef void *EGLClientBuffer; typedef void *EGLCastToRelevantPtr; typedef void *EGLImageKHR; typedef void *GLeglImageOES; #ifdef MOZ_WIDGET_QT #define EGL_DEFAULT_DISPLAY ((EGLNativeDisplayType)QX11Info::display()) #else #define EGL_DEFAULT_DISPLAY ((EGLNativeDisplayType)0) #endif #define EGL_NO_CONTEXT ((EGLContext)0) #define EGL_NO_DISPLAY ((EGLDisplay)0) #define EGL_NO_SURFACE ((EGLSurface)0) #define EGL_DISPLAY() sEGLLibrary.Display() #define ADD_ATTR_2(_array, _k, _v) do { \ (_array).AppendElement(_k); \ (_array).AppendElement(_v); \ } while (0) #define ADD_ATTR_1(_array, _k) do { \ (_array).AppendElement(_k); \ } while (0) static EGLSurface CreateSurfaceForWindow(nsIWidget *aWidget, EGLConfig config); static bool CreateConfig(EGLConfig* aConfig); #ifdef MOZ_X11 #ifdef MOZ_EGL_XRENDER_COMPOSITE static EGLSurface CreateBasicEGLSurfaceForXSurface(gfxASurface* aSurface, EGLConfig* aConfig); #endif static EGLConfig CreateEGLSurfaceForXSurface(gfxASurface* aSurface, EGLConfig* aConfig = nsnull, EGLenum aDepth = 0); #endif static int next_power_of_two(int v) { v--; v |= v >> 1; v |= v >> 2; v |= v >> 4; v |= v >> 8; v |= v >> 16; v++; return v; } static bool is_power_of_two(int v) { NS_ASSERTION(v >= 0, "bad value"); if (v == 0) return true; return (v & (v-1)) == 0; } static class EGLLibrary { public: EGLLibrary() : mInitialized(false), mEGLLibrary(nsnull) { mIsANGLE = false; mHave_EGL_KHR_image_base = false; mHave_EGL_KHR_image_pixmap = false; mHave_EGL_KHR_gl_texture_2D_image = false; mHave_EGL_KHR_lock_surface = false; mHave_EGL_ANGLE_surface_d3d_texture_2d_share_handle = false; } typedef EGLDisplay (GLAPIENTRY * pfnGetDisplay)(void *display_id); pfnGetDisplay fGetDisplay; typedef EGLSurface (GLAPIENTRY * pfnGetCurrentSurface)(EGLint); pfnGetCurrentSurface fGetCurrentSurface; typedef EGLContext (GLAPIENTRY * pfnGetCurrentContext)(void); pfnGetCurrentContext fGetCurrentContext; typedef EGLBoolean (GLAPIENTRY * pfnMakeCurrent)(EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx); pfnMakeCurrent fMakeCurrent; typedef EGLBoolean (GLAPIENTRY * pfnDestroyContext)(EGLDisplay dpy, EGLContext ctx); pfnDestroyContext fDestroyContext; typedef EGLContext (GLAPIENTRY * pfnCreateContext)(EGLDisplay dpy, EGLConfig config, EGLContext share_context, const EGLint *attrib_list); pfnCreateContext fCreateContext; typedef EGLBoolean (GLAPIENTRY * pfnDestroySurface)(EGLDisplay dpy, EGLSurface surface); pfnDestroySurface fDestroySurface; typedef EGLSurface (GLAPIENTRY * pfnCreateWindowSurface)(EGLDisplay dpy, EGLConfig config, EGLNativeWindowType win, const EGLint *attrib_list); pfnCreateWindowSurface fCreateWindowSurface; typedef EGLSurface (GLAPIENTRY * pfnCreatePbufferSurface)(EGLDisplay dpy, EGLConfig config, const EGLint *attrib_list); pfnCreatePbufferSurface fCreatePbufferSurface; typedef EGLSurface (GLAPIENTRY * pfnCreatePixmapSurface)(EGLDisplay dpy, EGLConfig config, EGLNativePixmapType pixmap, const EGLint *attrib_list); pfnCreatePixmapSurface fCreatePixmapSurface; typedef EGLBoolean (GLAPIENTRY * pfnBindAPI)(EGLenum api); pfnBindAPI fBindAPI; typedef EGLBoolean (GLAPIENTRY * pfnInitialize)(EGLDisplay dpy, EGLint *major, EGLint *minor); pfnInitialize fInitialize; typedef EGLBoolean (GLAPIENTRY * pfnChooseConfig)(EGLDisplay dpy, const EGLint *attrib_list, EGLConfig *configs, EGLint config_size, EGLint *num_config); pfnChooseConfig fChooseConfig; typedef EGLint (GLAPIENTRY * pfnGetError)(void); pfnGetError fGetError; typedef EGLBoolean (GLAPIENTRY * pfnGetConfigAttrib)(EGLDisplay dpy, EGLConfig config, EGLint attribute, EGLint *value); pfnGetConfigAttrib fGetConfigAttrib; typedef EGLBoolean (GLAPIENTRY * pfnGetConfigs)(EGLDisplay dpy, EGLConfig *configs, EGLint config_size, EGLint *num_config); pfnGetConfigs fGetConfigs; typedef EGLBoolean (GLAPIENTRY * pfnWaitNative)(EGLint engine); pfnWaitNative fWaitNative; typedef EGLCastToRelevantPtr (GLAPIENTRY * pfnGetProcAddress)(const char *procname); pfnGetProcAddress fGetProcAddress; typedef EGLBoolean (GLAPIENTRY * pfnSwapBuffers)(EGLDisplay dpy, EGLSurface surface); pfnSwapBuffers fSwapBuffers; typedef EGLBoolean (GLAPIENTRY * pfnCopyBuffers)(EGLDisplay dpy, EGLSurface surface, EGLNativePixmapType target); pfnCopyBuffers fCopyBuffers; typedef const GLubyte* (GLAPIENTRY * pfnQueryString)(EGLDisplay, EGLint name); pfnQueryString fQueryString; typedef EGLBoolean (GLAPIENTRY * pfnQueryContext)(EGLDisplay dpy, EGLContext ctx, EGLint attribute, EGLint *value); pfnQueryContext fQueryContext; typedef EGLBoolean (GLAPIENTRY * pfnBindTexImage)(EGLDisplay, EGLSurface surface, EGLint buffer); pfnBindTexImage fBindTexImage; typedef EGLBoolean (GLAPIENTRY * pfnReleaseTexImage)(EGLDisplay, EGLSurface surface, EGLint buffer); pfnReleaseTexImage fReleaseTexImage; typedef EGLImageKHR (GLAPIENTRY * pfnCreateImageKHR)(EGLDisplay dpy, EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attrib_list); pfnCreateImageKHR fCreateImageKHR; typedef EGLBoolean (GLAPIENTRY * pfnDestroyImageKHR)(EGLDisplay dpy, EGLImageKHR image); pfnDestroyImageKHR fDestroyImageKHR; // New extension which allow us to lock texture and get raw image pointer typedef EGLBoolean (GLAPIENTRY * pfnLockSurfaceKHR)(EGLDisplay dpy, EGLSurface surface, const EGLint *attrib_list); pfnLockSurfaceKHR fLockSurfaceKHR; typedef EGLBoolean (GLAPIENTRY * pfnUnlockSurfaceKHR)(EGLDisplay dpy, EGLSurface surface); pfnUnlockSurfaceKHR fUnlockSurfaceKHR; typedef EGLBoolean (GLAPIENTRY * pfnQuerySurface)(EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint *value); pfnQuerySurface fQuerySurface; typedef EGLBoolean (GLAPIENTRY * pfnQuerySurfacePointerANGLE)(EGLDisplay dpy, EGLSurface surface, EGLint attribute, void **value); pfnQuerySurfacePointerANGLE fQuerySurfacePointerANGLE; // This is EGL specific GL ext symbol "glEGLImageTargetTexture2DOES" // Lets keep it here for now. typedef void (GLAPIENTRY * pfnImageTargetTexture2DOES)(GLenum target, GLeglImageOES image); pfnImageTargetTexture2DOES fImageTargetTexture2DOES; bool EnsureInitialized() { if (mInitialized) { return true; } mozilla::ScopedGfxFeatureReporter reporter("EGL"); #ifdef XP_WIN // Allow for explicitly specifying the location of libEGL.dll and // libGLESv2.dll. do { nsCOMPtr eglFile, glesv2File; nsresult rv = Preferences::GetComplex("gfx.angle.egl.path", NS_GET_IID(nsILocalFile), getter_AddRefs(eglFile)); if (NS_FAILED(rv) || !eglFile) break; nsCAutoString s; // note that we have to load the libs in this order, because libEGL.dll // depends on libGLESv2.dll, but is not/may not be in our search path. nsCOMPtr f; eglFile->Clone(getter_AddRefs(f)); glesv2File = do_QueryInterface(f); if (!glesv2File) break; glesv2File->Append(NS_LITERAL_STRING("libGLESv2.dll")); PRLibrary *glesv2lib = nsnull; // this will be leaked on purpose glesv2File->Load(&glesv2lib); if (!glesv2lib) break; eglFile->Append(NS_LITERAL_STRING("libEGL.dll")); eglFile->Load(&mEGLLibrary); } while (false); #endif if (!mEGLLibrary) { mEGLLibrary = PR_LoadLibrary(EGL_LIB); } if (!mEGLLibrary) { NS_WARNING("Couldn't load EGL LIB."); return false; } #define SYMBOL(name) \ { (PRFuncPtr*) &f##name, { "egl" #name, NULL } } LibrarySymbolLoader::SymLoadStruct earlySymbols[] = { SYMBOL(GetDisplay), SYMBOL(GetCurrentSurface), SYMBOL(GetCurrentContext), SYMBOL(MakeCurrent), SYMBOL(DestroyContext), SYMBOL(CreateContext), SYMBOL(DestroySurface), SYMBOL(CreateWindowSurface), SYMBOL(CreatePbufferSurface), SYMBOL(CreatePixmapSurface), SYMBOL(BindAPI), SYMBOL(Initialize), SYMBOL(ChooseConfig), SYMBOL(GetError), SYMBOL(GetConfigs), SYMBOL(GetConfigAttrib), SYMBOL(WaitNative), SYMBOL(GetProcAddress), SYMBOL(SwapBuffers), SYMBOL(CopyBuffers), SYMBOL(QueryString), SYMBOL(QueryContext), SYMBOL(BindTexImage), SYMBOL(ReleaseTexImage), SYMBOL(QuerySurface), { NULL, { NULL } } }; if (!LibrarySymbolLoader::LoadSymbols(mEGLLibrary, &earlySymbols[0])) { NS_WARNING("Couldn't find required entry points in EGL library (early init)"); return false; } #if defined(MOZ_X11) && defined(MOZ_EGL_XRENDER_COMPOSITE) mEGLDisplay = fGetDisplay((EGLNativeDisplayType) gdk_x11_get_default_xdisplay()); #else mEGLDisplay = fGetDisplay(EGL_DEFAULT_DISPLAY); #endif if (!fInitialize(mEGLDisplay, NULL, NULL)) return false; const char *vendor = (const char*) fQueryString(mEGLDisplay, LOCAL_EGL_VENDOR); if (vendor && strstr(vendor, "TransGaming") != 0) { mIsANGLE = true; } const char *extensions = (const char*) fQueryString(mEGLDisplay, LOCAL_EGL_EXTENSIONS); if (!extensions) extensions = ""; printf_stderr("Extensions: %s 0x%02x\n", extensions, extensions[0]); printf_stderr("Extensions length: %d\n", strlen(extensions)); // note the extra space -- this ugliness tries to match // EGL_KHR_image in the middle of the string, or right at the // end. It's a prefix for other extensions, so we have to do // this... bool hasKHRImage = false; if (strstr(extensions, "EGL_KHR_image ") || (strlen(extensions) >= strlen("EGL_KHR_image") && strcmp(extensions+(strlen(extensions)-strlen("EGL_KHR_image")), "EGL_KHR_image"))) { hasKHRImage = true; } if (strstr(extensions, "EGL_KHR_image_base")) { mHave_EGL_KHR_image_base = true; } if (strstr(extensions, "EGL_KHR_image_pixmap")) { mHave_EGL_KHR_image_pixmap = true; } if (strstr(extensions, "EGL_KHR_gl_texture_2D_image")) { mHave_EGL_KHR_gl_texture_2D_image = true; } if (strstr(extensions, "EGL_KHR_lock_surface")) { mHave_EGL_KHR_lock_surface = true; } if (hasKHRImage) { LibrarySymbolLoader::SymLoadStruct khrSymbols[] = { { (PRFuncPtr*) &fCreateImageKHR, { "eglCreateImageKHR", NULL } }, { (PRFuncPtr*) &fDestroyImageKHR, { "eglDestroyImageKHR", NULL } }, { (PRFuncPtr*) &fImageTargetTexture2DOES, { "glEGLImageTargetTexture2DOES", NULL } }, { NULL, { NULL } } }; LibrarySymbolLoader::LoadSymbols(mEGLLibrary, &khrSymbols[0], (LibrarySymbolLoader::PlatformLookupFunction)fGetProcAddress); } if (mHave_EGL_KHR_lock_surface) { LibrarySymbolLoader::SymLoadStruct lockSymbols[] = { { (PRFuncPtr*) &fLockSurfaceKHR, { "eglLockSurfaceKHR", NULL } }, { (PRFuncPtr*) &fUnlockSurfaceKHR, { "eglUnlockSurfaceKHR", NULL } }, { NULL, { NULL } } }; LibrarySymbolLoader::LoadSymbols(mEGLLibrary, &lockSymbols[0], (LibrarySymbolLoader::PlatformLookupFunction)fGetProcAddress); if (!fLockSurfaceKHR) { mHave_EGL_KHR_lock_surface = false; } } if (!fCreateImageKHR) { mHave_EGL_KHR_image_base = false; mHave_EGL_KHR_image_pixmap = false; mHave_EGL_KHR_gl_texture_2D_image = false; } if (!fImageTargetTexture2DOES) { mHave_EGL_KHR_gl_texture_2D_image = false; } if (strstr(extensions, "EGL_ANGLE_surface_d3d_texture_2d_share_handle")) { LibrarySymbolLoader::SymLoadStruct d3dSymbols[] = { { (PRFuncPtr*) &fQuerySurfacePointerANGLE, { "eglQuerySurfacePointerANGLE", NULL } }, { NULL, { NULL } } }; LibrarySymbolLoader::LoadSymbols(mEGLLibrary, &d3dSymbols[0], (LibrarySymbolLoader::PlatformLookupFunction)fGetProcAddress); if (fQuerySurfacePointerANGLE) { mHave_EGL_ANGLE_surface_d3d_texture_2d_share_handle = true; } } mInitialized = true; reporter.SetSuccessful(); return true; } EGLDisplay Display() { return mEGLDisplay; } bool IsANGLE() { return mIsANGLE; } bool HasKHRImageBase() { return mHave_EGL_KHR_image_base; } bool HasKHRImagePixmap() { return mHave_EGL_KHR_image_pixmap; } bool HasKHRImageTexture2D() { return mHave_EGL_KHR_gl_texture_2D_image; } bool HasKHRLockSurface() { return mHave_EGL_KHR_lock_surface; } bool HasANGLESurfaceD3DTexture2DShareHandle() { return mHave_EGL_ANGLE_surface_d3d_texture_2d_share_handle; } void DumpEGLConfig(EGLConfig cfg) { int attrval; int err; #define ATTR(_x) do { \ fGetConfigAttrib(mEGLDisplay, cfg, LOCAL_EGL_##_x, &attrval); \ if ((err = fGetError()) != 0x3000) { \ printf_stderr(" %s: ERROR (0x%04x)\n", #_x, err); \ } else { \ printf_stderr(" %s: %d (0x%04x)\n", #_x, attrval, attrval); \ } \ } while(0) printf_stderr("EGL Config: %d [%p]\n", (int)(intptr_t)cfg, cfg); ATTR(BUFFER_SIZE); ATTR(ALPHA_SIZE); ATTR(BLUE_SIZE); ATTR(GREEN_SIZE); ATTR(RED_SIZE); ATTR(DEPTH_SIZE); ATTR(STENCIL_SIZE); ATTR(CONFIG_CAVEAT); ATTR(CONFIG_ID); ATTR(LEVEL); ATTR(MAX_PBUFFER_HEIGHT); ATTR(MAX_PBUFFER_PIXELS); ATTR(MAX_PBUFFER_WIDTH); ATTR(NATIVE_RENDERABLE); ATTR(NATIVE_VISUAL_ID); ATTR(NATIVE_VISUAL_TYPE); ATTR(PRESERVED_RESOURCES); ATTR(SAMPLES); ATTR(SAMPLE_BUFFERS); ATTR(SURFACE_TYPE); ATTR(TRANSPARENT_TYPE); ATTR(TRANSPARENT_RED_VALUE); ATTR(TRANSPARENT_GREEN_VALUE); ATTR(TRANSPARENT_BLUE_VALUE); ATTR(BIND_TO_TEXTURE_RGB); ATTR(BIND_TO_TEXTURE_RGBA); ATTR(MIN_SWAP_INTERVAL); ATTR(MAX_SWAP_INTERVAL); ATTR(LUMINANCE_SIZE); ATTR(ALPHA_MASK_SIZE); ATTR(COLOR_BUFFER_TYPE); ATTR(RENDERABLE_TYPE); ATTR(CONFORMANT); #undef ATTR } void DumpEGLConfigs() { int nc = 0; fGetConfigs(mEGLDisplay, NULL, 0, &nc); EGLConfig *ec = new EGLConfig[nc]; fGetConfigs(mEGLDisplay, ec, nc, &nc); for (int i = 0; i < nc; ++i) { printf_stderr ("========= EGL Config %d ========\n"); DumpEGLConfig(ec[i]); } delete [] ec; } private: bool mInitialized; PRLibrary *mEGLLibrary; EGLDisplay mEGLDisplay; bool mIsANGLE; bool mHave_EGL_KHR_image_base; bool mHave_EGL_KHR_image_pixmap; bool mHave_EGL_KHR_gl_texture_2D_image; bool mHave_EGL_KHR_lock_surface; bool mHave_EGL_ANGLE_surface_d3d_texture_2d_share_handle; } sEGLLibrary; class GLContextEGL : public GLContext { friend class TextureImageEGL; static already_AddRefed CreateGLContext(const ContextFormat& format, EGLSurface surface, EGLConfig config, GLContextEGL *shareContext, bool aIsOffscreen = false) { EGLContext context; static EGLint cxattribs[] = { LOCAL_EGL_CONTEXT_CLIENT_VERSION, 2, LOCAL_EGL_NONE }; context = sEGLLibrary.fCreateContext(EGL_DISPLAY(), config, shareContext ? shareContext->mContext : EGL_NO_CONTEXT, cxattribs); if (!context) { if (shareContext) { shareContext = nsnull; context = sEGLLibrary.fCreateContext(EGL_DISPLAY(), config, EGL_NO_CONTEXT, cxattribs); if (!context) { NS_WARNING("Failed to create EGLContext!"); return nsnull; } } } nsRefPtr glContext = new GLContextEGL(format, shareContext, config, surface, context, aIsOffscreen); if (!glContext->Init()) return nsnull; return glContext.forget(); } public: GLContextEGL(const ContextFormat& aFormat, GLContext *aShareContext, EGLConfig aConfig, EGLSurface aSurface, EGLContext aContext, bool aIsOffscreen = false) : GLContext(aFormat, aIsOffscreen, aShareContext) , mConfig(aConfig) , mSurface(aSurface), mContext(aContext) , mPlatformContext(nsnull) , mThebesSurface(nsnull) , mBound(false) , mIsPBuffer(false) , mIsDoubleBuffered(false) , mPBufferCanBindToTexture(false) { // any EGL contexts will always be GLESv2 SetIsGLES2(true); #ifdef DEBUG printf_stderr("Initializing context %p surface %p on display %p\n", mContext, mSurface, EGL_DISPLAY()); #endif } ~GLContextEGL() { MarkDestroyed(); // If mGLWidget is non-null, then we've been given it by the GL context provider, // and it's managed by the widget implementation. In this case, We can't destroy // our contexts. if (mPlatformContext) return; #ifdef DEBUG printf_stderr("Destroying context %p surface %p on display %p\n", mContext, mSurface, EGL_DISPLAY()); #endif sEGLLibrary.fDestroyContext(EGL_DISPLAY(), mContext); if (mSurface && !mPlatformContext) { sEGLLibrary.fDestroySurface(EGL_DISPLAY(), mSurface); } } GLContextType GetContextType() { return ContextTypeEGL; } bool Init() { if (!OpenLibrary(GLES2_LIB)) { NS_WARNING("Couldn't load EGL LIB."); return false; } bool current = MakeCurrent(); if (!current) { gfx::LogFailure(NS_LITERAL_CSTRING( "Couldn't get device attachments for device.")); return false; } bool ok = InitWithPrefix("gl", true); #if 0 if (ok) { EGLint v; sEGLLibrary.fQueryContext(EGL_DISPLAY(), mContext, LOCAL_EGL_RENDER_BUFFER, &v); if (v == LOCAL_EGL_BACK_BUFFER) mIsDoubleBuffered = true; } #endif return ok; } bool IsDoubleBuffered() { return mIsDoubleBuffered; } void SetIsDoubleBuffered(bool aIsDB) { mIsDoubleBuffered = aIsDB; } #if defined(MOZ_X11) && defined(MOZ_EGL_XRENDER_COMPOSITE) gfxASurface* GetOffscreenPixmapSurface() { return mThebesSurface; } virtual bool WaitNative() { return sEGLLibrary.fWaitNative(LOCAL_EGL_CORE_NATIVE_ENGINE); } #endif bool BindTexImage() { if (!mSurface) return false; if (mBound && !ReleaseTexImage()) return false; EGLBoolean success = sEGLLibrary.fBindTexImage(EGL_DISPLAY(), (EGLSurface)mSurface, LOCAL_EGL_BACK_BUFFER); if (success == LOCAL_EGL_FALSE) return false; mBound = true; return true; } bool ReleaseTexImage() { if (!mBound) return true; if (!mSurface) return false; EGLBoolean success; success = sEGLLibrary.fReleaseTexImage(EGL_DISPLAY(), (EGLSurface)mSurface, LOCAL_EGL_BACK_BUFFER); if (success == LOCAL_EGL_FALSE) return false; mBound = false; return true; } bool MakeCurrentImpl(bool aForce = false) { bool succeeded = true; // Assume that EGL has the same problem as WGL does, // where MakeCurrent with an already-current context is // still expensive. #ifndef MOZ_WIDGET_QT if (!mSurface) { EGLConfig config; CreateConfig(&config); mSurface = CreateSurfaceForWindow(NULL, config); aForce = true; } #endif if (aForce || sEGLLibrary.fGetCurrentContext() != mContext) { succeeded = sEGLLibrary.fMakeCurrent(EGL_DISPLAY(), mSurface, mSurface, mContext); NS_ASSERTION(succeeded, "Failed to make GL context current!"); } return succeeded; } #ifdef MOZ_WIDGET_QT virtual bool RenewSurface() { /* We don't support renewing on QT because we don't create the surface ourselves */ return false; } #else virtual bool RenewSurface() { ReleaseSurface(); EGLConfig config; CreateConfig(&config); mSurface = CreateSurfaceForWindow(NULL, config); return sEGLLibrary.fMakeCurrent(EGL_DISPLAY(), mSurface, mSurface, mContext); } #endif virtual void ReleaseSurface() { if (mSurface && !mPlatformContext) { sEGLLibrary.fMakeCurrent(EGL_DISPLAY(), EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); sEGLLibrary.fDestroySurface(EGL_DISPLAY(), mSurface); mSurface = NULL; } } bool SetupLookupFunction() { mLookupFunc = (PlatformLookupFunction)sEGLLibrary.fGetProcAddress; return true; } void *GetNativeData(NativeDataType aType) { switch (aType) { case NativeGLContext: return mContext; default: return nsnull; } } bool SwapBuffers() { if (mSurface && !mPlatformContext) { return sEGLLibrary.fSwapBuffers(EGL_DISPLAY(), mSurface); } else { return false; } } // GLContext interface - returns Tiled Texture Image in our case virtual already_AddRefed CreateTextureImage(const nsIntSize& aSize, TextureImage::ContentType aContentType, GLenum aWrapMode, bool aUseNearestFilter=false); // a function to generate Tiles for Tiled Texture Image virtual already_AddRefed TileGenFunc(const nsIntSize& aSize, TextureImage::ContentType aContentType, bool aUseNearestFilter = false); // hold a reference to the given surface // for the lifetime of this context. void HoldSurface(gfxASurface *aSurf) { mThebesSurface = aSurf; } void SetPlatformContext(void *context) { mPlatformContext = context; } EGLContext Context() { return mContext; } bool BindTex2DOffscreen(GLContext *aOffscreen); void UnbindTex2DOffscreen(GLContext *aOffscreen); bool ResizeOffscreen(const gfxIntSize& aNewSize); void BindOffscreenFramebuffer(); static already_AddRefed CreateEGLPixmapOffscreenContext(const gfxIntSize& aSize, const ContextFormat& aFormat, bool aShare); #if defined(MOZ_X11) && defined(MOZ_EGL_XRENDER_COMPOSITE) static already_AddRefed CreateBasicEGLPixmapOffscreenContext(const gfxIntSize& aSize, const ContextFormat& aFormat); bool ResizeOffscreenPixmapSurface(const gfxIntSize& aNewSize); #endif static already_AddRefed CreateEGLPBufferOffscreenContext(const gfxIntSize& aSize, const ContextFormat& aFormat); void SetOffscreenSize(const gfxIntSize &aRequestedSize, const gfxIntSize &aActualSize) { mOffscreenSize = aRequestedSize; mOffscreenActualSize = aActualSize; } void *GetD3DShareHandle() { if (!sEGLLibrary.HasANGLESurfaceD3DTexture2DShareHandle()) { return nsnull; } void *h = nsnull; #ifndef EGL_D3D_TEXTURE_2D_SHARE_HANDLE_ANGLE #define EGL_D3D_TEXTURE_2D_SHARE_HANDLE_ANGLE 0x3200 #endif if (!sEGLLibrary.fQuerySurfacePointerANGLE(EGL_DISPLAY(), mSurface, EGL_D3D_TEXTURE_2D_SHARE_HANDLE_ANGLE, (void**) &h)) { return nsnull; } return h; } protected: friend class GLContextProviderEGL; EGLConfig mConfig; EGLSurface mSurface; EGLContext mContext; void *mPlatformContext; nsRefPtr mThebesSurface; bool mBound; bool mIsPBuffer; bool mIsDoubleBuffered; bool mPBufferCanBindToTexture; static EGLSurface CreatePBufferSurfaceTryingPowerOfTwo(EGLConfig config, EGLenum bindToTextureFormat, gfxIntSize& pbsize) { nsTArray pbattrs(16); EGLSurface surface = nsnull; TRY_AGAIN_POWER_OF_TWO: pbattrs.Clear(); pbattrs.AppendElement(LOCAL_EGL_WIDTH); pbattrs.AppendElement(pbsize.width); pbattrs.AppendElement(LOCAL_EGL_HEIGHT); pbattrs.AppendElement(pbsize.height); if (bindToTextureFormat != LOCAL_EGL_NONE) { pbattrs.AppendElement(LOCAL_EGL_TEXTURE_TARGET); pbattrs.AppendElement(LOCAL_EGL_TEXTURE_2D); pbattrs.AppendElement(LOCAL_EGL_TEXTURE_FORMAT); pbattrs.AppendElement(bindToTextureFormat); } pbattrs.AppendElement(LOCAL_EGL_NONE); surface = sEGLLibrary.fCreatePbufferSurface(EGL_DISPLAY(), config, &pbattrs[0]); if (!surface) { if (!is_power_of_two(pbsize.width) || !is_power_of_two(pbsize.height)) { if (!is_power_of_two(pbsize.width)) pbsize.width = next_power_of_two(pbsize.width); if (!is_power_of_two(pbsize.height)) pbsize.height = next_power_of_two(pbsize.height); NS_WARNING("Failed to create pbuffer, trying power of two dims"); goto TRY_AGAIN_POWER_OF_TWO; } NS_WARNING("Failed to create pbuffer surface"); return nsnull; } return surface; } }; bool GLContextEGL::BindTex2DOffscreen(GLContext *aOffscreen) { if (aOffscreen->GetContextType() != ContextTypeEGL) { NS_WARNING("non-EGL context"); return false; } GLContextEGL *offs = static_cast(aOffscreen); if (offs->mIsPBuffer && offs->mPBufferCanBindToTexture) { bool ok = sEGLLibrary.fBindTexImage(EGL_DISPLAY(), offs->mSurface, LOCAL_EGL_BACK_BUFFER); return ok; } if (offs->mOffscreenTexture) { if (offs->GetSharedContext() != GLContextProviderEGL::GetGlobalContext()) { NS_WARNING("offscreen FBO context can only be bound with context sharing!"); return false; } fBindTexture(LOCAL_GL_TEXTURE_2D, offs->mOffscreenTexture); return true; } NS_WARNING("don't know how to bind this!"); return false; } void GLContextEGL::UnbindTex2DOffscreen(GLContext *aOffscreen) { NS_ASSERTION(aOffscreen->GetContextType() == ContextTypeEGL, "wrong type"); GLContextEGL *offs = static_cast(aOffscreen); if (offs->mIsPBuffer && offs->mPBufferCanBindToTexture) { sEGLLibrary.fReleaseTexImage(EGL_DISPLAY(), offs->mSurface, LOCAL_EGL_BACK_BUFFER); } } bool GLContextEGL::ResizeOffscreen(const gfxIntSize& aNewSize) { if (!IsOffscreenSizeAllowed(aNewSize)) return false; if (mIsPBuffer) { gfxIntSize pbsize(aNewSize); EGLSurface surface = CreatePBufferSurfaceTryingPowerOfTwo(mConfig, mPBufferCanBindToTexture ? (mCreationFormat.minAlpha ? LOCAL_EGL_TEXTURE_RGBA : LOCAL_EGL_TEXTURE_RGB) : LOCAL_EGL_NONE, pbsize); if (!surface) { NS_WARNING("Failed to resize pbuffer"); return false; } if (!ResizeOffscreenFBO(aNewSize, false)) return false; SetOffscreenSize(aNewSize, pbsize); if (mSurface && !mPlatformContext) { sEGLLibrary.fDestroySurface(EGL_DISPLAY(), mSurface); } mSurface = surface; MakeCurrent(true); ClearSafely(); return true; } #ifdef MOZ_X11 if (gUseBackingSurface && mThebesSurface) { if (aNewSize == mThebesSurface->GetSize()) { return true; } EGLNativePixmapType pixmap = 0; nsRefPtr xsurface = gfxXlibSurface::Create(DefaultScreenOfDisplay(DefaultXDisplay()), gfxXlibSurface::FindRenderFormat(DefaultXDisplay(), gfxASurface::ImageFormatRGB24), aNewSize); // Make sure that pixmap created and ready for GL rendering XSync(DefaultXDisplay(), False); if (xsurface->CairoStatus() != 0) { return false; } pixmap = (EGLNativePixmapType)xsurface->XDrawable(); if (!pixmap) { return false; } EGLSurface surface; EGLConfig config = 0; int depth = gfxUtils::ImageFormatToDepth(gfxPlatform::GetPlatform()->GetOffscreenFormat()); surface = CreateEGLSurfaceForXSurface(xsurface, &config, depth); if (!config) { return false; } if (!ResizeOffscreenFBO(aNewSize, false)) return false; mThebesSurface = xsurface; return true; } #endif #if defined(MOZ_X11) && defined(MOZ_EGL_XRENDER_COMPOSITE) return ResizeOffscreenPixmapSurface(aNewSize); #endif return ResizeOffscreenFBO(aNewSize, true); } static GLContextEGL * GetGlobalContextEGL() { return static_cast(GLContextProviderEGL::GetGlobalContext()); } static GLenum GLFormatForImage(gfxASurface::gfxImageFormat aFormat) { switch (aFormat) { case gfxASurface::ImageFormatARGB32: return LOCAL_GL_RGBA; case gfxASurface::ImageFormatRGB24: // this often isn't correct, because we can't guarantee that // the alpha byte will be 0xff coming from the image surface NS_WARNING("Using GL_RGBA for ImageFormatRGB24, are you sure you know what you're doing?"); return LOCAL_GL_RGBA; case gfxASurface::ImageFormatRGB16_565: return LOCAL_GL_RGB; default: NS_WARNING("Unknown GL format for Image format"); } return 0; } static GLenum GLTypeForImage(gfxASurface::gfxImageFormat aFormat) { switch (aFormat) { case gfxASurface::ImageFormatARGB32: case gfxASurface::ImageFormatRGB24: return LOCAL_GL_UNSIGNED_BYTE; case gfxASurface::ImageFormatRGB16_565: return LOCAL_GL_UNSIGNED_SHORT_5_6_5; default: NS_WARNING("Unknown GL format for Image format"); } return 0; } class TextureImageEGL : public TextureImage { public: TextureImageEGL(GLuint aTexture, const nsIntSize& aSize, GLenum aWrapMode, ContentType aContentType, GLContext* aContext) : TextureImage(aSize, aWrapMode, aContentType) , mGLContext(aContext) , mUpdateFormat(gfxASurface::ImageFormatUnknown) , mSurface(nsnull) , mConfig(nsnull) , mTexture(aTexture) , mImageKHR(nsnull) , mTextureState(Created) , mBound(false) , mIsLocked(false) { mUpdateFormat = gfxASurface::FormatFromContent(GetContentType()); if (gUseBackingSurface) { if (mUpdateFormat == gfxASurface::ImageFormatRGB24) { #ifdef MOZ_GFX_OPTIMIZE_MOBILE mUpdateFormat = gfxASurface::ImageFormatRGB16_565; mShaderType = RGBXLayerProgramType; #else mUpdateFormat = gfxASurface::ImageFormatARGB32; mShaderType = RGBALayerProgramType; #endif } else { mShaderType = RGBALayerProgramType; } Resize(aSize); } else { // Convert RGB24 to either ARGB32 on mobile. We can't // generate GL_RGB data, so we'll always have an alpha byte // for RGB24. No easy way to upload that to GL. // // Note that if we start using RGB565 here, we'll need to // watch for a) setting the correct format; and b) getting // the stride right. if (mUpdateFormat == gfxASurface::ImageFormatRGB24) { mUpdateFormat = gfxASurface::ImageFormatARGB32; } // We currently always use BGRA type textures mShaderType = BGRALayerProgramType; } } virtual ~TextureImageEGL() { GLContext *ctx = mGLContext; if (ctx->IsDestroyed() || !NS_IsMainThread()) { ctx = ctx->GetSharedContext(); } // If we have a context, then we need to delete the texture; // if we don't have a context (either real or shared), // then they went away when the contex was deleted, because it // was the only one that had access to it. if (ctx && !ctx->IsDestroyed()) { ctx->MakeCurrent(); ctx->fDeleteTextures(1, &mTexture); ReleaseTexImage(); DestroyEGLSurface(); } } virtual void GetUpdateRegion(nsIntRegion& aForRegion) { if (mTextureState != Valid) { // if the texture hasn't been initialized yet, force the // client to paint everything aForRegion = nsIntRect(nsIntPoint(0, 0), mSize); } else if (!mBackingSurface) { // We can only draw a rectangle, not subregions due to // the way that our texture upload functions work. If // needed, we /could/ do multiple texture uploads if we have // non-overlapping rects, but that's a tradeoff. aForRegion = nsIntRegion(aForRegion.GetBounds()); } } virtual gfxASurface* BeginUpdate(nsIntRegion& aRegion) { NS_ASSERTION(!mUpdateSurface, "BeginUpdate() without EndUpdate()?"); // determine the region the client will need to repaint GetUpdateRegion(aRegion); mUpdateRect = aRegion.GetBounds(); //printf_stderr("BeginUpdate with updateRect [%d %d %d %d]\n", mUpdateRect.x, mUpdateRect.y, mUpdateRect.width, mUpdateRect.height); if (!nsIntRect(nsIntPoint(0, 0), mSize).Contains(mUpdateRect)) { NS_ERROR("update outside of image"); return NULL; } if (mBackingSurface) { if (sEGLLibrary.HasKHRLockSurface()) { mUpdateSurface = GetLockSurface(); } else { mUpdateSurface = mBackingSurface; } return mUpdateSurface; } //printf_stderr("creating image surface %dx%d format %d\n", mUpdateRect.width, mUpdateRect.height, mUpdateFormat); mUpdateSurface = new gfxImageSurface(gfxIntSize(mUpdateRect.width, mUpdateRect.height), mUpdateFormat); mUpdateSurface->SetDeviceOffset(gfxPoint(-mUpdateRect.x, -mUpdateRect.y)); return mUpdateSurface; } virtual void EndUpdate() { NS_ASSERTION(!!mUpdateSurface, "EndUpdate() without BeginUpdate()?"); if (mIsLocked) { UnlockSurface(); mTextureState = Valid; mUpdateSurface = nsnull; return; } if (mBackingSurface && mUpdateSurface == mBackingSurface) { #ifdef MOZ_X11 if (mBackingSurface->GetType() == gfxASurface::SurfaceTypeXlib) { XSync(DefaultXDisplay(), False); } #endif mBackingSurface->SetDeviceOffset(gfxPoint(0, 0)); mTextureState = Valid; mUpdateSurface = nsnull; return; } //printf_stderr("EndUpdate: slow path"); // This is the slower path -- we didn't have any way to set up // a fast mapping between our cairo target surface and the GL // texture, so we have to upload data. // Undo the device offset that BeginUpdate set; doesn't much // matter for us here, but important if we ever do anything // directly with the surface. mUpdateSurface->SetDeviceOffset(gfxPoint(0, 0)); nsRefPtr uploadImage = nsnull; gfxIntSize updateSize(mUpdateRect.width, mUpdateRect.height); NS_ASSERTION(mUpdateSurface->GetType() == gfxASurface::SurfaceTypeImage && mUpdateSurface->GetSize() == updateSize, "Upload image isn't an image surface when one is expected, or is wrong size!"); uploadImage = static_cast(mUpdateSurface.get()); if (!uploadImage) { return; } mGLContext->MakeCurrent(); mGLContext->fBindTexture(LOCAL_GL_TEXTURE_2D, mTexture); if (mTextureState != Valid) { NS_ASSERTION(mUpdateRect.x == 0 && mUpdateRect.y == 0 && mUpdateRect.Size() == mSize, "Bad initial update on non-created texture!"); mGLContext->fTexImage2D(LOCAL_GL_TEXTURE_2D, 0, GLFormatForImage(mUpdateFormat), mUpdateRect.width, mUpdateRect.height, 0, GLFormatForImage(uploadImage->Format()), GLTypeForImage(uploadImage->Format()), uploadImage->Data()); } else { mGLContext->fTexSubImage2D(LOCAL_GL_TEXTURE_2D, 0, mUpdateRect.x, mUpdateRect.y, mUpdateRect.width, mUpdateRect.height, GLFormatForImage(uploadImage->Format()), GLTypeForImage(uploadImage->Format()), uploadImage->Data()); } mUpdateSurface = nsnull; mTextureState = Valid; return; // mTexture is bound } virtual bool DirectUpdate(gfxASurface* aSurf, const nsIntRegion& aRegion, const nsIntPoint& aFrom /* = nsIntPoint(0, 0) */) { nsIntRect bounds = aRegion.GetBounds(); nsIntRegion region; if (mTextureState != Valid) { bounds = nsIntRect(0, 0, mSize.width, mSize.height); region = nsIntRegion(bounds); } else { region = aRegion; } if (mBackingSurface && sEGLLibrary.HasKHRLockSurface()) { mUpdateSurface = GetLockSurface(); if (mUpdateSurface) { nsRefPtr ctx = new gfxContext(mUpdateSurface); gfxUtils::ClipToRegion(ctx, aRegion); ctx->SetSource(aSurf, gfxPoint(-aFrom.x, -aFrom.y)); ctx->SetOperator(gfxContext::OPERATOR_SOURCE); ctx->Paint(); mUpdateSurface = nsnull; UnlockSurface(); } } else { mShaderType = mGLContext->UploadSurfaceToTexture(aSurf, region, mTexture, mTextureState == Created, bounds.TopLeft() + aFrom, false); } mTextureState = Valid; return true; } virtual void BindTexture(GLenum aTextureUnit) { // Ensure the texture is allocated before it is used. if (mTextureState == Created) { Resize(mSize); } mGLContext->fActiveTexture(aTextureUnit); mGLContext->fBindTexture(LOCAL_GL_TEXTURE_2D, mTexture); mGLContext->fActiveTexture(LOCAL_GL_TEXTURE0); } virtual GLuint GetTextureID() { // Ensure the texture is allocated before it is used. if (mTextureState == Created) { Resize(mSize); } return mTexture; }; virtual bool InUpdate() const { return !!mUpdateSurface; } virtual void Resize(const nsIntSize& aSize) { NS_ASSERTION(!mUpdateSurface, "Resize() while in update?"); if (mSize == aSize && mTextureState != Created) return; mGLContext->fBindTexture(LOCAL_GL_TEXTURE_2D, mTexture); // Try to generate a backin surface first if we have the ability if (gUseBackingSurface) { CreateBackingSurface(gfxIntSize(aSize.width, aSize.height)); } if (!mBackingSurface) { // If we don't have a backing surface or failed to obtain one, // use the GL Texture failsafe mGLContext->fTexImage2D(LOCAL_GL_TEXTURE_2D, 0, GLFormatForImage(mUpdateFormat), aSize.width, aSize.height, 0, GLFormatForImage(mUpdateFormat), GLTypeForImage(mUpdateFormat), NULL); } mTextureState = Allocated; mSize = aSize; } bool BindTexImage() { if (mBound && !ReleaseTexImage()) return false; EGLBoolean success = sEGLLibrary.fBindTexImage(EGL_DISPLAY(), (EGLSurface)mSurface, LOCAL_EGL_BACK_BUFFER); if (success == LOCAL_EGL_FALSE) return false; mBound = true; return true; } bool ReleaseTexImage() { if (!mBound) return true; EGLBoolean success = sEGLLibrary.fReleaseTexImage(EGL_DISPLAY(), (EGLSurface)mSurface, LOCAL_EGL_BACK_BUFFER); if (success == LOCAL_EGL_FALSE) return false; mBound = false; return true; } virtual already_AddRefed GetLockSurface() { if (mIsLocked) { NS_WARNING("Can't lock surface twice"); return nsnull; } if (!sEGLLibrary.HasKHRLockSurface()) { NS_WARNING("GetLockSurface called, but no EGL_KHR_lock_surface extension!"); return nsnull; } if (!CreateEGLSurface(mBackingSurface)) { NS_WARNING("Failed to create EGL surface"); return nsnull; } static EGLint lock_attribs[] = { LOCAL_EGL_MAP_PRESERVE_PIXELS_KHR, LOCAL_EGL_TRUE, LOCAL_EGL_LOCK_USAGE_HINT_KHR, LOCAL_EGL_READ_SURFACE_BIT_KHR | LOCAL_EGL_WRITE_SURFACE_BIT_KHR, LOCAL_EGL_NONE }; sEGLLibrary.fLockSurfaceKHR(EGL_DISPLAY(), mSurface, lock_attribs); mIsLocked = true; unsigned char *data = nsnull; int pitch = 0; int pixsize = 0; sEGLLibrary.fQuerySurface(EGL_DISPLAY(), mSurface, LOCAL_EGL_BITMAP_POINTER_KHR, (EGLint*)&data); sEGLLibrary.fQuerySurface(EGL_DISPLAY(), mSurface, LOCAL_EGL_BITMAP_PITCH_KHR, &pitch); sEGLLibrary.fQuerySurface(EGL_DISPLAY(), mSurface, LOCAL_EGL_BITMAP_PIXEL_SIZE_KHR, &pixsize); nsRefPtr sharedImage = new gfxImageSurface(data, mBackingSurface->GetSize(), pitch, mUpdateFormat); return sharedImage.forget(); } virtual void UnlockSurface() { if (!mIsLocked) { NS_WARNING("UnlockSurface called, surface not locked!"); return; } sEGLLibrary.fUnlockSurfaceKHR(EGL_DISPLAY(), mSurface); mIsLocked = false; } virtual already_AddRefed GetBackingSurface() { nsRefPtr copy = mBackingSurface; return copy.forget(); } virtual bool CreateEGLSurface(gfxASurface* aSurface) { #ifdef MOZ_X11 if (!aSurface) { NS_WARNING("no surface"); return false; } if (aSurface->GetType() != gfxASurface::SurfaceTypeXlib) { NS_WARNING("wrong surface type, must be xlib"); return false; } if (mSurface) { return true; } EGLSurface surface = CreateEGLSurfaceForXSurface(aSurface, &mConfig); if (!surface) { NS_WARNING("couldn't find X config for surface"); return false; } mSurface = surface; return true; #else return false; #endif } virtual void DestroyEGLSurface(void) { if (!mSurface) return; sEGLLibrary.fDestroySurface(EGL_DISPLAY(), mSurface); mSurface = nsnull; } virtual bool CreateBackingSurface(const gfxIntSize& aSize) { ReleaseTexImage(); DestroyEGLSurface(); mBackingSurface = nsnull; #ifdef MOZ_X11 Display* dpy = DefaultXDisplay(); XRenderPictFormat* renderFMT = gfxXlibSurface::FindRenderFormat(dpy, mUpdateFormat); nsRefPtr xsurface = gfxXlibSurface::Create(DefaultScreenOfDisplay(dpy), renderFMT, gfxIntSize(aSize.width, aSize.height)); XSync(dpy, False); mConfig = nsnull; if (sEGLLibrary.HasKHRImagePixmap() && sEGLLibrary.HasKHRImageTexture2D()) { mImageKHR = sEGLLibrary.fCreateImageKHR(EGL_DISPLAY(), EGL_NO_CONTEXT, LOCAL_EGL_NATIVE_PIXMAP_KHR, (EGLClientBuffer)xsurface->XDrawable(), NULL); if (!mImageKHR) { printf_stderr("couldn't create EGL image: ERROR (0x%04x)\n", sEGLLibrary.fGetError()); return false; } mGLContext->fBindTexture(LOCAL_GL_TEXTURE_2D, mTexture); sEGLLibrary.fImageTargetTexture2DOES(LOCAL_GL_TEXTURE_2D, mImageKHR); sEGLLibrary.fDestroyImageKHR(EGL_DISPLAY(), mImageKHR); mImageKHR = NULL; } else { if (!CreateEGLSurface(xsurface)) { printf_stderr("ProviderEGL Failed create EGL surface: ERROR (0x%04x)\n", sEGLLibrary.fGetError()); return false; } if (!BindTexImage()) { printf_stderr("ProviderEGL Failed to bind teximage: ERROR (0x%04x)\n", sEGLLibrary.fGetError()); return false; } } mBackingSurface = xsurface; #endif return mBackingSurface != nsnull; } protected: typedef gfxASurface::gfxImageFormat ImageFormat; GLContext* mGLContext; nsIntRect mUpdateRect; ImageFormat mUpdateFormat; nsRefPtr mBackingSurface; nsRefPtr mUpdateSurface; EGLSurface mSurface; EGLConfig mConfig; GLuint mTexture; EGLImageKHR mImageKHR; TextureState mTextureState; bool mBound; bool mIsLocked; virtual void ApplyFilter() { mGLContext->ApplyFilterToBoundTexture(mFilter); } }; already_AddRefed GLContextEGL::CreateTextureImage(const nsIntSize& aSize, TextureImage::ContentType aContentType, GLenum aWrapMode, bool aUseNearestFilter) { nsRefPtr t = new gl::TiledTextureImage(this, aSize, aContentType, aUseNearestFilter); return t.forget(); }; already_AddRefed GLContextEGL::TileGenFunc(const nsIntSize& aSize, TextureImage::ContentType aContentType, bool aUseNearestFilter) { MakeCurrent(); GLuint texture; fGenTextures(1, &texture); fActiveTexture(LOCAL_GL_TEXTURE0); fBindTexture(LOCAL_GL_TEXTURE_2D, texture); nsRefPtr teximage = new TextureImageEGL(texture, aSize, LOCAL_GL_CLAMP_TO_EDGE, aContentType, this); GLint texfilter = aUseNearestFilter ? LOCAL_GL_NEAREST : LOCAL_GL_LINEAR; fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MIN_FILTER, texfilter); fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MAG_FILTER, texfilter); fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_WRAP_S, LOCAL_GL_CLAMP_TO_EDGE); fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_WRAP_T, LOCAL_GL_CLAMP_TO_EDGE); return teximage.forget(); } inline static ContextFormat DepthToGLFormat(int aDepth) { switch (aDepth) { case 32: return ContextFormat::BasicRGBA32; case 24: return ContextFormat::BasicRGB24; case 16: return ContextFormat::BasicRGB16_565; default: break; } return ContextFormat::BasicRGBA32; } #ifdef MOZ_WIDGET_QT already_AddRefed GLContextProviderEGL::CreateForWindow(nsIWidget *aWidget) { if (!sEGLLibrary.EnsureInitialized()) { return nsnull; } QGLContext* context = const_cast(QGLContext::currentContext()); if (context && context->device()) { // Qt widget viewport already have GL context created by Qt // Create dummy GLContextEGL class nsRefPtr glContext = new GLContextEGL(ContextFormat(DepthToGLFormat(context->device()->depth())), NULL, NULL, sEGLLibrary.fGetCurrentSurface(LOCAL_EGL_DRAW), // just use same surface for read and draw sEGLLibrary.fGetCurrentContext(), false); if (!glContext->Init()) return nsnull; glContext->SetIsDoubleBuffered(context->format().doubleBuffer()); glContext->SetPlatformContext(context); return glContext.forget(); } // All Qt nsIWidget's have the same X-Window surface // And EGL not allowing to create multiple GL context for the same window // we should be able to create GL context for QGV viewport once, and reuse it for all child widgets NS_ERROR("Failed to get QGLContext"); // Switch to software rendering here return nsnull; } #else static const EGLint kEGLConfigAttribsRGB16[] = { LOCAL_EGL_SURFACE_TYPE, LOCAL_EGL_WINDOW_BIT, LOCAL_EGL_RENDERABLE_TYPE, LOCAL_EGL_OPENGL_ES2_BIT, LOCAL_EGL_RED_SIZE, 5, LOCAL_EGL_GREEN_SIZE, 6, LOCAL_EGL_BLUE_SIZE, 5, LOCAL_EGL_ALPHA_SIZE, 0, LOCAL_EGL_NONE }; static const EGLint kEGLConfigAttribsRGBA32[] = { LOCAL_EGL_SURFACE_TYPE, LOCAL_EGL_WINDOW_BIT, LOCAL_EGL_RENDERABLE_TYPE, LOCAL_EGL_OPENGL_ES2_BIT, LOCAL_EGL_RED_SIZE, 8, LOCAL_EGL_GREEN_SIZE, 8, LOCAL_EGL_BLUE_SIZE, 8, LOCAL_EGL_ALPHA_SIZE, 8, LOCAL_EGL_NONE }; // This struct is used only by CreateConfig below, but ISO C++98 forbids // instantiating a template dependent on a locally-defined type. Boo-urns! struct EGLAttribs { gfxASurface::gfxImageFormat mFormat; const EGLint* mAttribs; }; // Return true if a suitable EGLConfig was found and pass it out // through aConfig. Return false otherwise. // // NB: It's entirely legal for the returned EGLConfig to be valid yet // have the value null. static bool CreateConfig(EGLConfig* aConfig) { EGLAttribs attribsToTry[] = { #ifdef MOZ_GFX_OPTIMIZE_MOBILE // Prefer r5g6b5 for potential savings in memory bandwidth. // This needs to be reevaluated for newer devices. { gfxASurface::ImageFormatRGB16_565, kEGLConfigAttribsRGB16 }, #endif { gfxASurface::ImageFormatARGB32, kEGLConfigAttribsRGBA32 }, }; EGLConfig configs[64]; for (unsigned i = 0; i < ArrayLength(attribsToTry); ++i) { const EGLAttribs& attribs = attribsToTry[i]; EGLint ncfg = ArrayLength(configs); if (!sEGLLibrary.fChooseConfig(EGL_DISPLAY(), attribs.mAttribs, configs, ncfg, &ncfg) || ncfg < 1) { continue; } for (int j = 0; j < ncfg; ++j) { EGLConfig config = configs[j]; EGLint r, g, b, a; if (sEGLLibrary.fGetConfigAttrib(EGL_DISPLAY(), config, LOCAL_EGL_RED_SIZE, &r) && sEGLLibrary.fGetConfigAttrib(EGL_DISPLAY(), config, LOCAL_EGL_GREEN_SIZE, &g) && sEGLLibrary.fGetConfigAttrib(EGL_DISPLAY(), config, LOCAL_EGL_BLUE_SIZE, &b) && sEGLLibrary.fGetConfigAttrib(EGL_DISPLAY(), config, LOCAL_EGL_ALPHA_SIZE, &a) && ((gfxASurface::ImageFormatRGB16_565 == attribs.mFormat && r == 5 && g == 6 && b == 5) || (gfxASurface::ImageFormatARGB32 == attribs.mFormat && r == 8 && g == 8 && b == 8 && a == 8))) { *aConfig = config; return true; } } } return false; } static EGLSurface CreateSurfaceForWindow(nsIWidget *aWidget, EGLConfig config) { EGLSurface surface; #ifdef DEBUG sEGLLibrary.DumpEGLConfig(config); #endif #ifdef ANDROID // On Android, we have to ask Java to make the eglCreateWindowSurface // call for us. See GLHelpers.java for a description of why. // // We also only have one true "window", so we just use it directly and ignore // what was passed in. printf_stderr("... requesting window surface from bridge\n"); surface = mozilla::AndroidBridge::Bridge()-> CallEglCreateWindowSurface(EGL_DISPLAY(), config, mozilla::AndroidBridge::Bridge()->SurfaceView()); printf_stderr("got surface %p\n", surface); #else surface = sEGLLibrary.fCreateWindowSurface(EGL_DISPLAY(), config, GET_NATIVE_WINDOW(aWidget), 0); #endif return surface; } const char* GetVendor() { if (!sEGLLibrary.EnsureInitialized()) { return nsnull; } return reinterpret_cast(sEGLLibrary.fQueryString(EGL_DISPLAY(), LOCAL_EGL_VENDOR)); } already_AddRefed GLContextProviderEGL::CreateForWindow(nsIWidget *aWidget) { EGLConfig config; if (!sEGLLibrary.EnsureInitialized()) { return nsnull; } if (!CreateConfig(&config)) { printf_stderr("Failed to create EGL config!\n"); return nsnull; } EGLSurface surface = CreateSurfaceForWindow(aWidget, config); if (!surface) { return nsnull; } if (!sEGLLibrary.fBindAPI(LOCAL_EGL_OPENGL_ES_API)) { sEGLLibrary.fDestroySurface(EGL_DISPLAY(), surface); return nsnull; } GLContextEGL *shareContext = GetGlobalContextEGL(); nsRefPtr glContext = GLContextEGL::CreateGLContext(ContextFormat(ContextFormat::BasicRGB24), surface, config, shareContext, false); if (!glContext) { return nsnull; } #if defined(XP_WIN) || defined(ANDROID) || defined(MOZ_PLATFORM_MAEMO) glContext->SetIsDoubleBuffered(true); #endif return glContext.forget(); } #endif static void FillPBufferAttribs(nsTArray& aAttrs, const ContextFormat& aFormat, bool aCanBindToTexture, int aColorBitsOverride, int aDepthBitsOverride) { aAttrs.Clear(); #define A1(_x) do { aAttrs.AppendElement(_x); } while (0) #define A2(_x,_y) do { A1(_x); A1(_y); } while (0) A2(LOCAL_EGL_RENDERABLE_TYPE, LOCAL_EGL_OPENGL_ES2_BIT); if (aColorBitsOverride == -1) { A2(LOCAL_EGL_RED_SIZE, aFormat.red); A2(LOCAL_EGL_GREEN_SIZE, aFormat.green); A2(LOCAL_EGL_BLUE_SIZE, aFormat.blue); } else { A2(LOCAL_EGL_RED_SIZE, aColorBitsOverride); A2(LOCAL_EGL_GREEN_SIZE, aColorBitsOverride); A2(LOCAL_EGL_BLUE_SIZE, aColorBitsOverride); } A2(LOCAL_EGL_ALPHA_SIZE, aFormat.alpha); if (aDepthBitsOverride == -1) { A2(LOCAL_EGL_DEPTH_SIZE, aFormat.minDepth); } else { A2(LOCAL_EGL_DEPTH_SIZE, aDepthBitsOverride); } A2(LOCAL_EGL_STENCIL_SIZE, aFormat.minStencil); if (aCanBindToTexture) { A2(aFormat.minAlpha ? LOCAL_EGL_BIND_TO_TEXTURE_RGBA : LOCAL_EGL_BIND_TO_TEXTURE_RGB, LOCAL_EGL_TRUE); } A1(LOCAL_EGL_NONE); #undef A1 #undef A2 } already_AddRefed GLContextEGL::CreateEGLPBufferOffscreenContext(const gfxIntSize& aSize, const ContextFormat& aFormat) { EGLConfig config; EGLSurface surface; EGLContext context; bool configCanBindToTexture = true; EGLConfig configs[64]; int numConfigs = sizeof(configs)/sizeof(EGLConfig); int foundConfigs = 0; // if we're running under ANGLE, we can't set BIND_TO_TEXTURE -- // it's not supported, and we have dx interop pbuffers anyway if (sEGLLibrary.IsANGLE()) configCanBindToTexture = false; nsTArray attribs(32); int attribAttempt = 0; int tryDepthSize = (aFormat.depth > 0) ? 24 : 0; TRY_ATTRIBS_AGAIN: switch (attribAttempt) { case 0: FillPBufferAttribs(attribs, aFormat, configCanBindToTexture, 8, tryDepthSize); break; case 1: FillPBufferAttribs(attribs, aFormat, configCanBindToTexture, -1, tryDepthSize); break; case 2: FillPBufferAttribs(attribs, aFormat, configCanBindToTexture, -1, -1); break; } if (!sEGLLibrary.fChooseConfig(EGL_DISPLAY(), &attribs[0], configs, numConfigs, &foundConfigs) || foundConfigs == 0) { if (attribAttempt < 3) { attribAttempt++; goto TRY_ATTRIBS_AGAIN; } if (configCanBindToTexture) { NS_WARNING("No pbuffer EGL configs that can bind to texture, trying without"); configCanBindToTexture = false; attribAttempt = 0; goto TRY_ATTRIBS_AGAIN; } // no configs? no pbuffers! return nsnull; } // XXX do some smarter matching here, perhaps instead of the more complex // minimum overrides above config = configs[0]; #ifdef DEBUG sEGLLibrary.DumpEGLConfig(config); #endif gfxIntSize pbsize(aSize); surface = GLContextEGL::CreatePBufferSurfaceTryingPowerOfTwo(config, configCanBindToTexture ? (aFormat.minAlpha ? LOCAL_EGL_TEXTURE_RGBA : LOCAL_EGL_TEXTURE_RGB) : LOCAL_EGL_NONE, pbsize); if (!surface) return nsnull; sEGLLibrary.fBindAPI(LOCAL_EGL_OPENGL_ES_API); EGLint cxattrs[] = { LOCAL_EGL_CONTEXT_CLIENT_VERSION, 2, LOCAL_EGL_NONE }; context = sEGLLibrary.fCreateContext(EGL_DISPLAY(), config, EGL_NO_CONTEXT, cxattrs); if (!context) { NS_WARNING("Failed to create context"); sEGLLibrary.fDestroySurface(EGL_DISPLAY(), surface); return nsnull; } nsRefPtr glContext = new GLContextEGL(aFormat, nsnull, config, surface, context, true); if (!glContext->Init()) { return nsnull; } glContext->SetOffscreenSize(aSize, pbsize); glContext->mIsPBuffer = true; glContext->mPBufferCanBindToTexture = configCanBindToTexture; return glContext.forget(); } #ifdef MOZ_X11 EGLSurface CreateEGLSurfaceForXSurface(gfxASurface* aSurface, EGLConfig* aConfig, EGLenum aDepth) { gfxXlibSurface* xsurface = static_cast(aSurface); bool opaque = aSurface->GetContentType() == gfxASurface::CONTENT_COLOR; static EGLint pixmap_config_rgb[] = { LOCAL_EGL_TEXTURE_TARGET, LOCAL_EGL_TEXTURE_2D, LOCAL_EGL_TEXTURE_FORMAT, LOCAL_EGL_TEXTURE_RGB, LOCAL_EGL_NONE }; static EGLint pixmap_config_rgba[] = { LOCAL_EGL_TEXTURE_TARGET, LOCAL_EGL_TEXTURE_2D, LOCAL_EGL_TEXTURE_FORMAT, LOCAL_EGL_TEXTURE_RGBA, LOCAL_EGL_NONE }; EGLSurface surface = nsnull; if (aConfig && *aConfig) { if (opaque) surface = sEGLLibrary.fCreatePixmapSurface(EGL_DISPLAY(), *aConfig, (EGLNativePixmapType)xsurface->XDrawable(), pixmap_config_rgb); else surface = sEGLLibrary.fCreatePixmapSurface(EGL_DISPLAY(), *aConfig, (EGLNativePixmapType)xsurface->XDrawable(), pixmap_config_rgba); if (surface != EGL_NO_SURFACE) return surface; } EGLConfig configs[32]; int numConfigs = 32; static EGLint pixmap_config[] = { LOCAL_EGL_SURFACE_TYPE, LOCAL_EGL_PIXMAP_BIT, LOCAL_EGL_RENDERABLE_TYPE, LOCAL_EGL_OPENGL_ES2_BIT, LOCAL_EGL_DEPTH_SIZE, aDepth, LOCAL_EGL_BIND_TO_TEXTURE_RGB, LOCAL_EGL_TRUE, LOCAL_EGL_NONE }; static EGLint pixmap_lock_config[] = { LOCAL_EGL_SURFACE_TYPE, LOCAL_EGL_PIXMAP_BIT | LOCAL_EGL_LOCK_SURFACE_BIT_KHR, LOCAL_EGL_RENDERABLE_TYPE, LOCAL_EGL_OPENGL_ES2_BIT, LOCAL_EGL_DEPTH_SIZE, aDepth, LOCAL_EGL_BIND_TO_TEXTURE_RGB, LOCAL_EGL_TRUE, LOCAL_EGL_NONE }; if (!sEGLLibrary.fChooseConfig(EGL_DISPLAY(), sEGLLibrary.HasKHRLockSurface() ? pixmap_lock_config : pixmap_config, configs, numConfigs, &numConfigs)) return nsnull; if (numConfigs == 0) return nsnull; int i = 0; for (i = 0; i < numConfigs; ++i) { if (opaque) surface = sEGLLibrary.fCreatePixmapSurface(EGL_DISPLAY(), configs[i], (EGLNativePixmapType)xsurface->XDrawable(), pixmap_config_rgb); else surface = sEGLLibrary.fCreatePixmapSurface(EGL_DISPLAY(), configs[i], (EGLNativePixmapType)xsurface->XDrawable(), pixmap_config_rgba); if (surface != EGL_NO_SURFACE) break; } if (!surface) { return nsnull; } if (aConfig) *aConfig = configs[i]; return surface; } #endif already_AddRefed GLContextEGL::CreateEGLPixmapOffscreenContext(const gfxIntSize& aSize, const ContextFormat& aFormat, bool aShare) { gfxASurface *thebesSurface = nsnull; EGLNativePixmapType pixmap = 0; #ifdef MOZ_X11 nsRefPtr xsurface = gfxXlibSurface::Create(DefaultScreenOfDisplay(DefaultXDisplay()), gfxXlibSurface::FindRenderFormat(DefaultXDisplay(), gfxASurface::ImageFormatRGB24), gUseBackingSurface ? aSize : gfxIntSize(16, 16)); // XSync required after gfxXlibSurface::Create, otherwise EGL will fail with BadDrawable error XSync(DefaultXDisplay(), False); if (xsurface->CairoStatus() != 0) return nsnull; thebesSurface = xsurface; pixmap = (EGLNativePixmapType)xsurface->XDrawable(); #endif if (!pixmap) { return nsnull; } EGLSurface surface = 0; EGLConfig config = 0; #ifdef MOZ_X11 int depth = gfxUtils::ImageFormatToDepth(gfxPlatform::GetPlatform()->GetOffscreenFormat()); surface = CreateEGLSurfaceForXSurface(thebesSurface, &config, gUseBackingSurface ? depth : 0); #endif if (!config) { return nsnull; } GLContextEGL *shareContext = aShare ? GetGlobalContextEGL() : nsnull; nsRefPtr glContext = GLContextEGL::CreateGLContext(aFormat, surface, config, shareContext, true); glContext->HoldSurface(thebesSurface); return glContext.forget(); } // Under EGL, if we're under X11, then we have to create a Pixmap // because Maemo's EGL implementation doesn't support pbuffers at all // for some reason. On Android, pbuffers are supported fine, though // often without the ability to texture from them directly. already_AddRefed GLContextProviderEGL::CreateOffscreen(const gfxIntSize& aSize, const ContextFormat& aFormat) { if (!sEGLLibrary.EnsureInitialized()) { return nsnull; } ContextFormat actualFormat(aFormat); // actualFormat.samples = 0; #if defined(ANDROID) || defined(XP_WIN) nsRefPtr glContext = GLContextEGL::CreateEGLPBufferOffscreenContext(aSize, actualFormat); if (!glContext) return nsnull; if (!glContext->ResizeOffscreenFBO(glContext->OffscreenActualSize(), false)) return nsnull; printf("GL Offscreen: EGL+PBuffer\n"); return glContext.forget(); #elif defined(MOZ_X11) && defined(MOZ_EGL_XRENDER_COMPOSITE) nsRefPtr glContext = GLContextEGL::CreateBasicEGLPixmapOffscreenContext(aSize, actualFormat); if (!glContext) return nsnull; if (!glContext->ResizeOffscreenFBO(glContext->OffscreenActualSize(), true)) return nsnull; printf("GL Offscreen: EGL+Pixmap\n"); return glContext.forget(); #elif defined(MOZ_X11) nsRefPtr glContext = GLContextEGL::CreateEGLPixmapOffscreenContext(aSize, actualFormat, true); if (!glContext) { return nsnull; } if (!glContext->GetSharedContext()) { // no point in returning anything if sharing failed, we can't // render from this return nsnull; } if (!gUseBackingSurface && !glContext->ResizeOffscreenFBO(glContext->OffscreenActualSize(), true)) { // we weren't able to create the initial // offscreen FBO, so this is dead return nsnull; } return glContext.forget(); #else return nsnull; #endif } already_AddRefed GLContextProviderEGL::CreateForNativePixmapSurface(gfxASurface* aSurface) { if (!sEGLLibrary.EnsureInitialized()) return nsnull; #ifdef MOZ_X11 EGLSurface surface = nsnull; EGLConfig config = nsnull; if (aSurface->GetType() != gfxASurface::SurfaceTypeXlib) { // Not implemented return nsnull; } surface = CreateEGLSurfaceForXSurface(aSurface, &config); if (!config) { return nsnull; } GLContextEGL *shareContext = GetGlobalContextEGL(); gfxXlibSurface* xsurface = static_cast(aSurface); nsRefPtr glContext = GLContextEGL::CreateGLContext(DepthToGLFormat(xsurface->XRenderFormat()->depth), surface, config, shareContext, false); glContext->HoldSurface(aSurface); return glContext.forget().get(); #else // Not implemented return nsnull; #endif } static nsRefPtr gGlobalContext; GLContext * GLContextProviderEGL::GetGlobalContext() { static bool triedToCreateContext = false; if (!triedToCreateContext && !gGlobalContext) { triedToCreateContext = true; gGlobalContext = GLContextEGL::CreateEGLPixmapOffscreenContext(gfxIntSize(16, 16), ContextFormat(ContextFormat::BasicRGB24), false); if (gGlobalContext) gGlobalContext->SetIsGlobalSharedContext(true); } return gGlobalContext; } void GLContextProviderEGL::Shutdown() { gGlobalContext = nsnull; } //------------------------------------------------------------------------------ // The following methods exist to support an accelerated WebGL XRender composite // path for BasicLayers. This is a potentially temporary change that can be // removed when performance of GL layers is superior on mobile linux platforms. //------------------------------------------------------------------------------ #if defined(MOZ_X11) && defined(MOZ_EGL_XRENDER_COMPOSITE) EGLSurface CreateBasicEGLSurfaceForXSurface(gfxASurface* aSurface, EGLConfig* aConfig) { gfxXlibSurface* xsurface = static_cast(aSurface); bool opaque = aSurface->GetContentType() == gfxASurface::CONTENT_COLOR; EGLSurface surface = nsnull; if (aConfig && *aConfig) { surface = sEGLLibrary.fCreatePixmapSurface(EGL_DISPLAY(), *aConfig, xsurface->XDrawable(), 0); if (surface != EGL_NO_SURFACE) return surface; } EGLConfig configs[32]; int numConfigs = 32; static EGLint pixmap_config[] = { LOCAL_EGL_SURFACE_TYPE, LOCAL_EGL_PIXMAP_BIT, LOCAL_EGL_RENDERABLE_TYPE, LOCAL_EGL_OPENGL_ES2_BIT, 0x30E2, 0x30E3, LOCAL_EGL_DEPTH_SIZE, 16, LOCAL_EGL_NONE }; if (!sEGLLibrary.fChooseConfig(EGL_DISPLAY(), pixmap_config, configs, numConfigs, &numConfigs)) return nsnull; if (numConfigs == 0) return nsnull; int i = 0; for (i = 0; i < numConfigs; ++i) { surface = sEGLLibrary.fCreatePixmapSurface(EGL_DISPLAY(), configs[i], xsurface->XDrawable(), 0); if (surface != EGL_NO_SURFACE) break; } if (!surface) { return nsnull; } if (aConfig) { *aConfig = configs[i]; } return surface; } already_AddRefed GLContextEGL::CreateBasicEGLPixmapOffscreenContext(const gfxIntSize& aSize, const ContextFormat& aFormat) { gfxASurface *thebesSurface = nsnull; EGLNativePixmapType pixmap = 0; XRenderPictFormat* format = gfxXlibSurface::FindRenderFormat(DefaultXDisplay(), gfxASurface::ImageFormatARGB32); nsRefPtr xsurface = gfxXlibSurface::Create(DefaultScreenOfDisplay(DefaultXDisplay()), format, aSize); // XSync required after gfxXlibSurface::Create, otherwise EGL will fail with BadDrawable error XSync(DefaultXDisplay(), False); if (xsurface->CairoStatus() != 0) { return nsnull; } thebesSurface = xsurface; pixmap = xsurface->XDrawable(); if (!pixmap) { return nsnull; } EGLSurface surface = 0; EGLConfig config = 0; surface = CreateBasicEGLSurfaceForXSurface(xsurface, &config); if (!config) { return nsnull; } EGLint cxattribs[] = { LOCAL_EGL_CONTEXT_CLIENT_VERSION, 2, LOCAL_EGL_NONE }; EGLContext context = sEGLLibrary.fCreateContext(EGL_DISPLAY(), config, EGL_NO_CONTEXT, cxattribs); if (!context) { sEGLLibrary.fDestroySurface(EGL_DISPLAY(), surface); return nsnull; } nsRefPtr glContext = new GLContextEGL(aFormat, nsnull, config, surface, context, true); if (!glContext->Init()) { return nsnull; } glContext->HoldSurface(thebesSurface); return glContext.forget(); } bool GLContextEGL::ResizeOffscreenPixmapSurface(const gfxIntSize& aNewSize) { gfxASurface *thebesSurface = nsnull; EGLNativePixmapType pixmap = 0; XRenderPictFormat* format = gfxXlibSurface::FindRenderFormat(DefaultXDisplay(), gfxASurface::ImageFormatARGB32); nsRefPtr xsurface = gfxXlibSurface::Create(DefaultScreenOfDisplay(DefaultXDisplay()), format, aNewSize); // XSync required after gfxXlibSurface::Create, otherwise EGL will fail with BadDrawable error XSync(DefaultXDisplay(), False); if (xsurface->CairoStatus() != 0) return nsnull; thebesSurface = xsurface; pixmap = xsurface->XDrawable(); if (!pixmap) { return nsnull; } EGLSurface surface = 0; EGLConfig config = 0; surface = CreateBasicEGLSurfaceForXSurface(xsurface, &config); if (!surface) { NS_WARNING("Failed to resize pbuffer"); return nsnull; } sEGLLibrary.fDestroySurface(EGL_DISPLAY(), mSurface); mSurface = surface; HoldSurface(thebesSurface); SetOffscreenSize(aNewSize, aNewSize); MakeCurrent(true); return true; } #endif } /* namespace gl */ } /* namespace mozilla */