/* -*- 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" // please add new includes below Qt, otherwise it break Qt build due malloc wrapper conflicts #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() #elif defined(MOZ_WIDGET_GONK) #define GET_NATIVE_WINDOW(aWidget) ((EGLNativeWindowType)aWidget->GetNativeData(NS_NATIVE_WINDOW)) #endif #if defined(MOZ_X11) #include #include #include "mozilla/X11Util.h" #include "gfxXlibSurface.h" #endif #if defined(ANDROID) /* from widget */ #if defined(MOZ_WIDGET_ANDROID) #include "AndroidBridge.h" #endif #include #endif #define GLES2_LIB "libGLESv2.so" #define GLES2_LIB2 "libGLESv2.so.2" #elif defined(XP_WIN) #include "nsILocalFile.h" #define GLES2_LIB "libGLESv2.dll" #ifndef WIN32_LEAN_AND_MEAN #define WIN32_LEAN_AND_MEAN 1 #endif #include // 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 "mozilla/Preferences.h" #include "nsIScreen.h" #include "nsIScreenManager.h" #include "gfxUtils.h" #include "gfxFailure.h" #include "gfxASurface.h" #include "gfxImageSurface.h" #include "gfxPlatform.h" #include "GLContextProvider.h" #include "GLLibraryEGL.h" #include "nsDebug.h" #include "nsThreadUtils.h" #include "nsIWidget.h" #include "gfxCrashReporterUtils.h" #ifdef MOZ_PLATFORM_MAEMO static bool gUseBackingSurface = true; #else static bool gUseBackingSurface = false; #endif #ifdef MOZ_WIDGET_GONK extern nsIntRect gScreenBounds; #endif namespace mozilla { namespace gl { static GLLibraryEGL sEGLLibrary; #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 EGLint gContextAttribs[] = { LOCAL_EGL_CONTEXT_CLIENT_VERSION, 2, LOCAL_EGL_NONE }; static EGLint gContextAttribsRobustness[] = { LOCAL_EGL_CONTEXT_CLIENT_VERSION, 2, //LOCAL_EGL_CONTEXT_ROBUST_ACCESS_EXT, LOCAL_EGL_TRUE, LOCAL_EGL_CONTEXT_RESET_NOTIFICATION_STRATEGY_EXT, LOCAL_EGL_LOSE_CONTEXT_ON_RESET_EXT, LOCAL_EGL_NONE }; 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; } 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; context = sEGLLibrary.fCreateContext(EGL_DISPLAY(), config, shareContext ? shareContext->mContext : EGL_NO_CONTEXT, sEGLLibrary.HasRobustness() ? gContextAttribsRobustness : gContextAttribs); if (!context) { if (shareContext) { shareContext = nsnull; context = sEGLLibrary.fCreateContext(EGL_DISPLAY(), config, EGL_NO_CONTEXT, sEGLLibrary.HasRobustness() ? gContextAttribsRobustness : gContextAttribs); 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) , mCanBindToTexture(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 defined(ANDROID) // We can't use LoadApitraceLibrary here because the GLContext // expects its own handle to the GL library if (!OpenLibrary(APITRACE_LIB)) #endif if (!OpenLibrary(GLES2_LIB)) { #if defined(XP_UNIX) if (!OpenLibrary(GLES2_LIB2)) { NS_WARNING("Couldn't load GLES2 LIB."); return false; } #endif } bool current = MakeCurrent(); if (!current) { gfx::LogFailure(NS_LITERAL_CSTRING( "Couldn't get device attachments for device.")); return false; } bool ok = InitWithPrefix("gl", true); PR_STATIC_ASSERT(sizeof(GLint) >= sizeof(int32_t)); mMaxTextureImageSize = PR_INT32_MAX; #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 if (ok) InitFramebuffers(); return ok; } bool IsDoubleBuffered() { return mIsDoubleBuffered; } void SetIsDoubleBuffered(bool aIsDB) { mIsDoubleBuffered = aIsDB; } bool SupportsRobustness() { return sEGLLibrary.HasRobustness(); } virtual bool IsANGLE() { return sEGLLibrary.IsANGLE(); } #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) { // We need to be able to bind NO_SURFACE when we don't // have access to a surface. We won't be drawing to the screen // but we will be able to do things like resource releases. succeeded = sEGLLibrary.fMakeCurrent(EGL_DISPLAY(), EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); if (!succeeded && sEGLLibrary.fGetError() == LOCAL_EGL_CONTEXT_LOST) { mContextLost = true; NS_WARNING("EGL context has been lost."); } NS_ASSERTION(succeeded, "Failed to make GL context current!"); return succeeded; } #endif if (aForce || sEGLLibrary.fGetCurrentContext() != mContext) { #ifdef MOZ_WIDGET_QT // Shared Qt GL context need to be informed about context switch if (mSharedContext) { QGLContext* qglCtx = static_cast(static_cast(mSharedContext.get())->mPlatformContext); if (qglCtx) { qglCtx->doneCurrent(); } } #endif succeeded = sEGLLibrary.fMakeCurrent(EGL_DISPLAY(), mSurface, mSurface, mContext); if (!succeeded && sEGLLibrary.fGetError() == LOCAL_EGL_CONTEXT_LOST) { mContextLost = true; NS_WARNING("EGL context has been lost."); } 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.mSymbols.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, bool bufferUnused = false); 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; } virtual bool HasLockSurface() { return sEGLLibrary.HasKHRLockSurface(); } protected: friend class GLContextProviderEGL; EGLConfig mConfig; EGLSurface mSurface; EGLContext mContext; void *mPlatformContext; nsRefPtr mThebesSurface; bool mBound; bool mIsPBuffer; bool mIsDoubleBuffered; bool mCanBindToTexture; 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->mCanBindToTexture) { 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->mCanBindToTexture) { 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, mCanBindToTexture ? (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 (!ResizeOffscreenFBOs(pbsize, 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 (!ResizeOffscreenFBOs(aNewSize, true)) return false; mThebesSurface = xsurface; return true; } #endif #if defined(MOZ_X11) && defined(MOZ_EGL_XRENDER_COMPOSITE) if (ResizeOffscreenPixmapSurface(aNewSize)) { if (ResizeOffscreenFBOs(aNewSize, true)) return true; } #endif return ResizeOffscreenFBOs(aNewSize, true); } static GLContextEGL * GetGlobalContextEGL() { return static_cast(GLContextProviderEGL::GetGlobalContext()); } static GLenum GLFormatForImage(gfxASurface::gfxImageFormat aFormat) { switch (aFormat) { case gfxASurface::ImageFormatARGB32: case gfxASurface::ImageFormatRGB24: // Thebes only supports RGBX, not packed RGB. 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::ImageFormatARGB32) { mShaderType = RGBXLayerProgramType; } else { mShaderType = RGBALayerProgramType; } Resize(aSize); } else { if (mUpdateFormat == gfxASurface::ImageFormatRGB16_565) { mShaderType = RGBXLayerProgramType; } else if (mUpdateFormat == gfxASurface::ImageFormatRGB24) { // RGB24 means really RGBX for Thebes, which means we have to // use the right shader and ignore the uninitialized alpha // value. mShaderType = BGRXLayerProgramType; } else { mShaderType = BGRALayerProgramType; } } } virtual ~TextureImageEGL() { GLContext *ctx = mGLContext; if (ctx->IsDestroyed() || !ctx->IsOwningThreadCurrent()) { 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; } static nsRefPtr gGlobalContext; 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 }; static bool CreateConfig(EGLConfig* aConfig, PRInt32 depth) { EGLConfig configs[64]; const EGLint* attribs = depth == 16 ? kEGLConfigAttribsRGB16 : kEGLConfigAttribsRGBA32; EGLint ncfg = ArrayLength(configs); if (!sEGLLibrary.fChooseConfig(EGL_DISPLAY(), attribs, configs, ncfg, &ncfg) || ncfg < 1) { return false; } 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) && ((depth == 16 && r == 5 && g == 6 && b == 5) || (depth == 24 && r == 8 && g == 8 && b == 8 && a == 8))) { *aConfig = config; return true; } } return false; } static int GetScreenDepth() { nsCOMPtr screenMgr = do_GetService("@mozilla.org/gfx/screenmanager;1"); nsCOMPtr screen; screenMgr->GetPrimaryScreen(getter_AddRefs(screen)); PRInt32 depth = 24; screen->GetColorDepth(&depth); return depth; } // 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) { PRInt32 depth = GetScreenDepth(); if (!CreateConfig(aConfig, depth)) { #ifdef MOZ_WIDGET_ANDROID // Bug 736005 // Android doesn't always support 16 bit so also try 24 bit if (depth == 16) { return CreateConfig(aConfig, 24); } #endif return false; } else { return true; } } static EGLSurface CreateSurfaceForWindow(nsIWidget *aWidget, EGLConfig config) { EGLSurface surface; #ifdef DEBUG sEGLLibrary.DumpEGLConfig(config); #endif #ifdef MOZ_JAVA_COMPOSITOR surface = mozilla::AndroidBridge::Bridge()->ProvideEGLSurface(); #elif defined(MOZ_WIDGET_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. AndroidGeckoSurfaceView& sview = mozilla::AndroidBridge::Bridge()->SurfaceView(); if (sview.isNull()) { printf_stderr("got null surface\n"); return NULL; } surface = mozilla::AndroidBridge::Bridge()-> CallEglCreateWindowSurface(EGL_DISPLAY(), config, sview); #else surface = sEGLLibrary.fCreateWindowSurface(EGL_DISPLAY(), config, GET_NATIVE_WINDOW(aWidget), 0); #endif #ifdef MOZ_WIDGET_GONK gScreenBounds.x = 0; gScreenBounds.y = 0; sEGLLibrary.fQuerySurface(EGL_DISPLAY(), surface, LOCAL_EGL_WIDTH, &gScreenBounds.width); sEGLLibrary.fQuerySurface(EGL_DISPLAY(), surface, LOCAL_EGL_HEIGHT, &gScreenBounds.height); #endif return surface; } already_AddRefed GLContextProviderEGL::CreateForWindow(nsIWidget *aWidget) { EGLConfig config; if (!sEGLLibrary.EnsureInitialized()) { return nsnull; } #if defined(XP_WIN) || defined(ANDROID) || defined(MOZ_PLATFORM_MAEMO) bool doubleBuffered = true; #else bool doubleBuffered = false; #endif void* currentContext = sEGLLibrary.fGetCurrentContext(); if (aWidget->HasGLContext() && currentContext) { PRInt32 depth = GetScreenDepth(); void* platformContext = currentContext; #ifdef MOZ_WIDGET_QT QGLContext* context = const_cast(QGLContext::currentContext()); if (context && context->device()) { depth = context->device()->depth(); } doubleBuffered = context->format().doubleBuffer(); platformContext = context; #endif nsRefPtr glContext = new GLContextEGL(ContextFormat(DepthToGLFormat(depth)), gGlobalContext, NULL, sEGLLibrary.fGetCurrentSurface(LOCAL_EGL_DRAW), // just use same surface for read and draw currentContext, false); if (!glContext->Init()) return nsnull; glContext->SetIsDoubleBuffered(doubleBuffered); glContext->SetPlatformContext(platformContext); if (!gGlobalContext) { gGlobalContext = glContext; } return glContext.forget(); } if (!CreateConfig(&config)) { printf_stderr("Failed to create EGL config!\n"); return nsnull; } #ifdef MOZ_JAVA_COMPOSITOR mozilla::AndroidBridge::Bridge()->RegisterCompositor(); #endif 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; } glContext->SetIsDoubleBuffered(doubleBuffered); return glContext.forget(); } static void FillPBufferAttribs_Minimal(nsTArray& aAttrs) { 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); A2(LOCAL_EGL_SURFACE_TYPE, LOCAL_EGL_PBUFFER_BIT); A1(LOCAL_EGL_NONE); #undef A1 #undef A2 } 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); A2(LOCAL_EGL_SURFACE_TYPE, LOCAL_EGL_PBUFFER_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, bool bufferUnused) { 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() || bufferUnused) configCanBindToTexture = false; nsTArray attribs(32); int attribAttempt = 0; int tryDepthSize = (aFormat.depth > 0) ? 24 : 0; TRY_ATTRIBS_AGAIN: if (bufferUnused) { FillPBufferAttribs_Minimal(attribs); } else { 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 (bufferUnused) { NS_WARNING("No EGL Config for minimal PBuffer!"); return nsnull; } 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! NS_WARNING("Failed to select acceptable config for PBuffer creation!"); 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) { NS_WARNING("Failed to create PBuffer for context!"); return nsnull; } sEGLLibrary.fBindAPI(LOCAL_EGL_OPENGL_ES_API); GLContextEGL* shareContext = GetGlobalContextEGL(); context = sEGLLibrary.fCreateContext(EGL_DISPLAY(), config, shareContext ? shareContext->mContext : EGL_NO_CONTEXT, sEGLLibrary.HasRobustness() ? gContextAttribsRobustness : gContextAttribs); if (!context) { NS_WARNING("Failed to create GLContext from PBuffer"); sEGLLibrary.fDestroySurface(EGL_DISPLAY(), surface); return nsnull; } nsRefPtr glContext = new GLContextEGL(aFormat, shareContext, config, surface, context, true); if (!glContext->Init()) { NS_WARNING("Failed to initialize GLContext!"); return nsnull; } glContext->mCanBindToTexture = configCanBindToTexture; if (!bufferUnused) { // We *are* using the buffer glContext->SetOffscreenSize(aSize, pbsize); glContext->mIsPBuffer = true; } 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); glContext->mCanBindToTexture = true; 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, const ContextFlags aFlags) { if (!sEGLLibrary.EnsureInitialized()) { return nsnull; } #if !defined(MOZ_X11) bool usePBuffers = false; // Generally, prefer FBOs to PBuffers if (sEGLLibrary.IsANGLE()) usePBuffers = true; // For d3d share handle, we need an EGL surface gfxIntSize pbufferSize = usePBuffers ? aSize : gfxIntSize(16, 16); nsRefPtr glContext = GLContextEGL::CreateEGLPBufferOffscreenContext(pbufferSize, aFormat, !usePBuffers); if (!glContext) return nsnull; gfxIntSize fboSize = usePBuffers ? glContext->OffscreenActualSize() : aSize; if (!(aFlags & GLContext::ContextFlagsGlobal) && !glContext->ResizeOffscreenFBOs(fboSize, !usePBuffers)) return nsnull; return glContext.forget(); #elif defined(MOZ_X11) && defined(MOZ_EGL_XRENDER_COMPOSITE) nsRefPtr glContext = GLContextEGL::CreateBasicEGLPixmapOffscreenContext(aSize, aFormat); if (!glContext) return nsnull; if (!(aFlags & GLContext::ContextFlagsGlobal) && !glContext->ResizeOffscreenFBOs(glContext->OffscreenActualSize(), true)) return nsnull; return glContext.forget(); #elif defined(MOZ_X11) nsRefPtr glContext = GLContextEGL::CreateEGLPixmapOffscreenContext(aSize, aFormat, true); if (!glContext) { return nsnull; } if (!(aFlags & GLContext::ContextFlagsGlobal) && !gUseBackingSurface && !glContext->ResizeOffscreenFBOs(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 } GLContext * GLContextProviderEGL::GetGlobalContext() { static bool triedToCreateContext = false; if (!triedToCreateContext && !gGlobalContext) { triedToCreateContext = true; // Don't assign directly to gGlobalContext here, because // CreateOffscreen can call us re-entrantly. nsRefPtr ctx = GLContextProviderEGL::CreateOffscreen(gfxIntSize(16, 16), ContextFormat(ContextFormat::BasicRGB24), GLContext::ContextFlagsGlobal); gGlobalContext = ctx; 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; } EGLContext context = sEGLLibrary.fCreateContext(EGL_DISPLAY(), config, EGL_NO_CONTEXT, sEGLLibrary.HasRobustness() ? gContextAttribsRobustness : gContextAttribs); 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 */