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https://github.com/mozilla/gecko-dev.git
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708 lines
21 KiB
C++
708 lines
21 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Corporation code.
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*
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* The Initial Developer of the Original Code is Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2009
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Bas Schouten <bschouten@mozilla.org>
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* Vladimir Vukicevic <vladimir@pobox.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "ImageLayerOGL.h"
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#include "gfxImageSurface.h"
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#include "yuv_convert.h"
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#include "GLContextProvider.h"
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using namespace mozilla::gl;
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namespace mozilla {
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namespace layers {
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using mozilla::MutexAutoLock;
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/**
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* This is an event used to unref a GLContext on the main thread and
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* optionally delete a texture associated with that context.
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*/
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class TextureDeleter : public nsRunnable {
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public:
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TextureDeleter(already_AddRefed<GLContext> aContext,
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GLuint aTexture)
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: mContext(aContext), mTexture(aTexture)
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{
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NS_ASSERTION(aTexture, "TextureDeleter instantiated with nothing to do");
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}
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NS_IMETHOD Run() {
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mContext->MakeCurrent();
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mContext->fDeleteTextures(1, &mTexture);
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// Ensure context is released on the main thread
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mContext = nsnull;
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return NS_OK;
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}
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nsRefPtr<GLContext> mContext;
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GLuint mTexture;
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};
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void
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GLTexture::Allocate(GLContext *aContext)
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{
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NS_ASSERTION(aContext->IsGlobalSharedContext() ||
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NS_IsMainThread(), "Can only allocate texture on main thread or with cx sharing");
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Release();
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mContext = aContext;
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mContext->MakeCurrent();
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mContext->fGenTextures(1, &mTexture);
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}
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void
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GLTexture::TakeFrom(GLTexture *aOther)
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{
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Release();
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mContext = aOther->mContext.forget();
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mTexture = aOther->mTexture;
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aOther->mTexture = 0;
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}
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void
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GLTexture::Release()
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{
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if (!mContext) {
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NS_ASSERTION(!mTexture, "Can't delete texture without a context");
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return;
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}
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if (mTexture) {
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if (NS_IsMainThread() || mContext->IsGlobalSharedContext()) {
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mContext->MakeCurrent();
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mContext->fDeleteTextures(1, &mTexture);
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} else {
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nsCOMPtr<nsIRunnable> runnable =
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new TextureDeleter(mContext.forget(), mTexture);
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NS_DispatchToMainThread(runnable);
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}
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mTexture = 0;
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}
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mContext = nsnull;
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}
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RecycleBin::RecycleBin()
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: mLock("mozilla.layers.RecycleBin.mLock")
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{
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}
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void
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RecycleBin::RecycleBuffer(PRUint8* aBuffer, PRUint32 aSize)
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{
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MutexAutoLock lock(mLock);
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if (!mRecycledBuffers.IsEmpty() && aSize != mRecycledBufferSize) {
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mRecycledBuffers.Clear();
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}
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mRecycledBufferSize = aSize;
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mRecycledBuffers.AppendElement(aBuffer);
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}
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PRUint8*
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RecycleBin::GetBuffer(PRUint32 aSize)
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{
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MutexAutoLock lock(mLock);
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if (mRecycledBuffers.IsEmpty() || mRecycledBufferSize != aSize)
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return new PRUint8[aSize];
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PRUint32 last = mRecycledBuffers.Length() - 1;
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PRUint8* result = mRecycledBuffers[last].forget();
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mRecycledBuffers.RemoveElementAt(last);
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return result;
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}
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void
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RecycleBin::RecycleTexture(GLTexture *aTexture, TextureType aType,
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const gfxIntSize& aSize)
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{
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if (!aTexture->IsAllocated())
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return;
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MutexAutoLock lock(mLock);
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if (!mRecycledTextures[aType].IsEmpty() && aSize != mRecycledTextureSizes[aType]) {
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mRecycledTextures[aType].Clear();
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}
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mRecycledTextureSizes[aType] = aSize;
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mRecycledTextures[aType].AppendElement()->TakeFrom(aTexture);
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}
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void
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RecycleBin::GetTexture(TextureType aType, const gfxIntSize& aSize,
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GLContext *aContext, GLTexture *aOutTexture)
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{
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MutexAutoLock lock(mLock);
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if (mRecycledTextures[aType].IsEmpty() || mRecycledTextureSizes[aType] != aSize) {
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aOutTexture->Allocate(aContext);
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return;
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}
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PRUint32 last = mRecycledTextures[aType].Length() - 1;
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aOutTexture->TakeFrom(&mRecycledTextures[aType].ElementAt(last));
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mRecycledTextures[aType].RemoveElementAt(last);
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}
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ImageContainerOGL::ImageContainerOGL(LayerManagerOGL *aManager)
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: ImageContainer(aManager)
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, mRecycleBin(new RecycleBin())
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, mActiveImageLock("mozilla.layers.ImageContainerOGL.mActiveImageLock")
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{
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}
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ImageContainerOGL::~ImageContainerOGL()
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{
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if (mManager) {
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NS_ASSERTION(mManager->GetBackendType() == LayerManager::LAYERS_OPENGL, "Wrong layer manager got assigned to ImageContainerOGL!");
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static_cast<LayerManagerOGL*>(mManager)->ForgetImageContainer(this);
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}
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}
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already_AddRefed<Image>
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ImageContainerOGL::CreateImage(const Image::Format *aFormats,
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PRUint32 aNumFormats)
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{
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if (!aNumFormats) {
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return nsnull;
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}
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nsRefPtr<Image> img;
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if (aFormats[0] == Image::PLANAR_YCBCR) {
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img = new PlanarYCbCrImageOGL(static_cast<LayerManagerOGL*>(mManager),
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mRecycleBin);
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} else if (aFormats[0] == Image::CAIRO_SURFACE) {
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img = new CairoImageOGL(static_cast<LayerManagerOGL*>(mManager));
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}
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return img.forget();
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}
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void
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ImageContainerOGL::SetCurrentImage(Image *aImage)
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{
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nsRefPtr<Image> oldImage;
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{
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MutexAutoLock lock(mActiveImageLock);
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oldImage = mActiveImage.forget();
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mActiveImage = aImage;
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}
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// Make sure oldImage is released outside the lock, so it can take our
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// lock in RecycleBuffer
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}
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already_AddRefed<Image>
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ImageContainerOGL::GetCurrentImage()
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{
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MutexAutoLock lock(mActiveImageLock);
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nsRefPtr<Image> retval = mActiveImage;
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return retval.forget();
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}
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already_AddRefed<gfxASurface>
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ImageContainerOGL::GetCurrentAsSurface(gfxIntSize *aSize)
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{
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MutexAutoLock lock(mActiveImageLock);
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if (!mActiveImage) {
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*aSize = gfxIntSize(0,0);
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return nsnull;
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}
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GLContext *gl = nsnull;
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// tex1 will be RGBA or Y, tex2 will Cb, tex3 will be Cr
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GLuint tex1 = 0;
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gfxIntSize size;
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if (mActiveImage->GetFormat() == Image::PLANAR_YCBCR) {
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PlanarYCbCrImageOGL *yuvImage =
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static_cast<PlanarYCbCrImageOGL*>(mActiveImage.get());
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if (!yuvImage->HasData()) {
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*aSize = gfxIntSize(0, 0);
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return nsnull;
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}
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size = yuvImage->mSize;
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nsRefPtr<gfxImageSurface> imageSurface =
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new gfxImageSurface(size, gfxASurface::ImageFormatRGB24);
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gfx::ConvertYCbCrToRGB32(yuvImage->mData.mYChannel,
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yuvImage->mData.mCbChannel,
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yuvImage->mData.mCrChannel,
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imageSurface->Data(),
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0,
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0,
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size.width,
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size.height,
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yuvImage->mData.mYStride,
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yuvImage->mData.mCbCrStride,
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imageSurface->Stride(),
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yuvImage->mType);
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*aSize = size;
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return imageSurface.forget().get();
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}
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if (mActiveImage->GetFormat() == Image::CAIRO_SURFACE) {
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CairoImageOGL *cairoImage =
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static_cast<CairoImageOGL*>(mActiveImage.get());
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size = cairoImage->mSize;
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gl = cairoImage->mTexture.GetGLContext();
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tex1 = cairoImage->mTexture.GetTextureID();
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}
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nsRefPtr<gfxImageSurface> s = gl->ReadTextureImage(tex1, size, LOCAL_GL_RGBA);
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*aSize = size;
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return s.forget();
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}
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gfxIntSize
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ImageContainerOGL::GetCurrentSize()
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{
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MutexAutoLock lock(mActiveImageLock);
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if (!mActiveImage) {
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return gfxIntSize(0,0);
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}
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if (mActiveImage->GetFormat() == Image::PLANAR_YCBCR) {
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PlanarYCbCrImageOGL *yuvImage =
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static_cast<PlanarYCbCrImageOGL*>(mActiveImage.get());
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if (!yuvImage->HasData()) {
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return gfxIntSize(0,0);
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}
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return yuvImage->mSize;
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}
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if (mActiveImage->GetFormat() == Image::CAIRO_SURFACE) {
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CairoImageOGL *cairoImage =
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static_cast<CairoImageOGL*>(mActiveImage.get());
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return cairoImage->mSize;
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}
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return gfxIntSize(0,0);
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}
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PRBool
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ImageContainerOGL::SetLayerManager(LayerManager *aManager)
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{
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if (!aManager) {
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// the layer manager just entirely went away
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// XXX if we don't have context sharing, we should tell our images
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// that their textures are no longer valid.
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mManager = nsnull;
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return PR_TRUE;
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}
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if (aManager->GetBackendType() != LayerManager::LAYERS_OPENGL) {
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return PR_FALSE;
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}
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LayerManagerOGL* lmOld = static_cast<LayerManagerOGL*>(mManager);
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LayerManagerOGL* lmNew = static_cast<LayerManagerOGL*>(aManager);
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if (lmOld) {
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NS_ASSERTION(lmNew->glForResources() == lmOld->glForResources(),
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"We require GL context sharing here!");
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lmOld->ForgetImageContainer(this);
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}
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mManager = aManager;
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lmNew->RememberImageContainer(this);
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return PR_TRUE;
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}
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Layer*
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ImageLayerOGL::GetLayer()
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{
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return this;
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}
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void
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ImageLayerOGL::RenderLayer(int,
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const nsIntPoint& aOffset)
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{
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if (!GetContainer())
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return;
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mOGLManager->MakeCurrent();
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nsRefPtr<Image> image = GetContainer()->GetCurrentImage();
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if (image->GetFormat() == Image::PLANAR_YCBCR) {
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PlanarYCbCrImageOGL *yuvImage =
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static_cast<PlanarYCbCrImageOGL*>(image.get());
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if (!yuvImage->HasData()) {
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return;
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}
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if (!yuvImage->HasTextures()) {
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yuvImage->AllocateTextures(gl());
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}
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yuvImage->UpdateTextures(gl());
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gl()->fActiveTexture(LOCAL_GL_TEXTURE0);
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gl()->fBindTexture(LOCAL_GL_TEXTURE_2D, yuvImage->mTextures[0].GetTextureID());
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gl()->fActiveTexture(LOCAL_GL_TEXTURE1);
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gl()->fBindTexture(LOCAL_GL_TEXTURE_2D, yuvImage->mTextures[1].GetTextureID());
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gl()->fActiveTexture(LOCAL_GL_TEXTURE2);
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gl()->fBindTexture(LOCAL_GL_TEXTURE_2D, yuvImage->mTextures[2].GetTextureID());
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YCbCrTextureLayerProgram *program = mOGLManager->GetYCbCrLayerProgram();
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program->Activate();
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program->SetLayerQuadRect(nsIntRect(0, 0,
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yuvImage->mSize.width,
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yuvImage->mSize.height));
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program->SetLayerTransform(mTransform);
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program->SetLayerOpacity(GetOpacity());
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program->SetRenderOffset(aOffset);
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program->SetYCbCrTextureUnits(0, 1, 2);
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DEBUG_GL_ERROR_CHECK(gl());
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mOGLManager->BindAndDrawQuad(program);
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// We shouldn't need to do this, but do it anyway just in case
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// someone else forgets.
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gl()->fActiveTexture(LOCAL_GL_TEXTURE0);
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} else if (image->GetFormat() == Image::CAIRO_SURFACE) {
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CairoImageOGL *cairoImage =
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static_cast<CairoImageOGL*>(image.get());
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gl()->fActiveTexture(LOCAL_GL_TEXTURE0);
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gl()->fBindTexture(LOCAL_GL_TEXTURE_2D, cairoImage->mTexture.GetTextureID());
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ColorTextureLayerProgram *program;
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if (cairoImage->mASurfaceAsGLContext)
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program = mOGLManager->GetRGBALayerProgram();
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else
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program = mOGLManager->GetBGRALayerProgram();
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program->Activate();
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program->SetLayerQuadRect(nsIntRect(0, 0,
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cairoImage->mSize.width,
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cairoImage->mSize.height));
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program->SetLayerTransform(mTransform);
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program->SetLayerOpacity(GetOpacity());
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program->SetRenderOffset(aOffset);
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program->SetTextureUnit(0);
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mOGLManager->BindAndDrawQuad(program);
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}
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DEBUG_GL_ERROR_CHECK(gl());
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}
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static void
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InitTexture(GLContext* aGL, GLuint aTexture, GLenum aFormat, const gfxIntSize& aSize)
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{
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aGL->fBindTexture(LOCAL_GL_TEXTURE_2D, aTexture);
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aGL->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MIN_FILTER, LOCAL_GL_LINEAR);
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aGL->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MAG_FILTER, LOCAL_GL_LINEAR);
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aGL->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_WRAP_S, LOCAL_GL_CLAMP_TO_EDGE);
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aGL->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_WRAP_T, LOCAL_GL_CLAMP_TO_EDGE);
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aGL->fTexImage2D(LOCAL_GL_TEXTURE_2D,
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0,
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aFormat,
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aSize.width,
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aSize.height,
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0,
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aFormat,
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LOCAL_GL_UNSIGNED_BYTE,
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NULL);
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}
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PlanarYCbCrImageOGL::PlanarYCbCrImageOGL(LayerManagerOGL *aManager,
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RecycleBin *aRecycleBin)
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: PlanarYCbCrImage(nsnull), mRecycleBin(aRecycleBin), mHasData(PR_FALSE)
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{
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#if 0
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// We really want to allocate this on the decode thread -- but to do that,
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// we need to create a per-thread shared GL context, and it will only work
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// if we have context sharing. For now, create the textures on the main
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// thread the first time we render.
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if (aManager) {
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AllocateTextures(aManager->glForResources());
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}
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#endif
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}
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PlanarYCbCrImageOGL::~PlanarYCbCrImageOGL()
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{
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if (mBuffer) {
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mRecycleBin->RecycleBuffer(mBuffer.forget(), mBufferSize);
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}
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if (HasTextures()) {
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mRecycleBin->RecycleTexture(&mTextures[0], RecycleBin::TEXTURE_Y, mData.mYSize);
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mRecycleBin->RecycleTexture(&mTextures[1], RecycleBin::TEXTURE_C, mData.mCbCrSize);
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mRecycleBin->RecycleTexture(&mTextures[2], RecycleBin::TEXTURE_C, mData.mCbCrSize);
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}
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}
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void
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PlanarYCbCrImageOGL::SetData(const PlanarYCbCrImage::Data &aData)
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{
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// For now, we copy the data
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int width_shift = 0;
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int height_shift = 0;
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if (aData.mYSize.width == aData.mCbCrSize.width &&
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aData.mYSize.height == aData.mCbCrSize.height) {
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// YV24 format
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width_shift = 0;
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height_shift = 0;
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mType = gfx::YV24;
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} else if (aData.mYSize.width / 2 == aData.mCbCrSize.width &&
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aData.mYSize.height == aData.mCbCrSize.height) {
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// YV16 format
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width_shift = 1;
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height_shift = 0;
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mType = gfx::YV16;
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} else if (aData.mYSize.width / 2 == aData.mCbCrSize.width &&
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aData.mYSize.height / 2 == aData.mCbCrSize.height ) {
|
|
// YV12 format
|
|
width_shift = 1;
|
|
height_shift = 1;
|
|
mType = gfx::YV16;
|
|
} else {
|
|
NS_ERROR("YCbCr format not supported");
|
|
}
|
|
|
|
mData = aData;
|
|
mData.mCbCrStride = mData.mCbCrSize.width = aData.mPicSize.width >> width_shift;
|
|
// Round up the values for width and height to make sure we sample enough data
|
|
// for the last pixel - See bug 590735
|
|
if (width_shift && (aData.mPicSize.width & 1)) {
|
|
mData.mCbCrStride++;
|
|
mData.mCbCrSize.width++;
|
|
}
|
|
mData.mCbCrSize.height = aData.mPicSize.height >> height_shift;
|
|
if (height_shift && (aData.mPicSize.height & 1)) {
|
|
mData.mCbCrSize.height++;
|
|
}
|
|
mData.mYSize = aData.mPicSize;
|
|
mData.mYStride = mData.mYSize.width;
|
|
|
|
mBufferSize = mData.mCbCrStride * mData.mCbCrSize.height * 2 +
|
|
mData.mYStride * mData.mYSize.height;
|
|
mBuffer = mRecycleBin->GetBuffer(mBufferSize);
|
|
if (!mBuffer)
|
|
return;
|
|
|
|
mData.mYChannel = mBuffer;
|
|
mData.mCbChannel = mData.mYChannel + mData.mYStride * mData.mYSize.height;
|
|
mData.mCrChannel = mData.mCbChannel + mData.mCbCrStride * mData.mCbCrSize.height;
|
|
int cbcr_x = aData.mPicX >> width_shift;
|
|
int cbcr_y = aData.mPicY >> height_shift;
|
|
|
|
for (int i = 0; i < mData.mYSize.height; i++) {
|
|
memcpy(mData.mYChannel + i * mData.mYStride,
|
|
aData.mYChannel + ((aData.mPicY + i) * aData.mYStride) + aData.mPicX,
|
|
mData.mYStride);
|
|
}
|
|
for (int i = 0; i < mData.mCbCrSize.height; i++) {
|
|
memcpy(mData.mCbChannel + i * mData.mCbCrStride,
|
|
aData.mCbChannel + ((cbcr_y + i) * aData.mCbCrStride) + cbcr_x,
|
|
mData.mCbCrStride);
|
|
}
|
|
for (int i = 0; i < mData.mCbCrSize.height; i++) {
|
|
memcpy(mData.mCrChannel + i * mData.mCbCrStride,
|
|
aData.mCrChannel + ((cbcr_y + i) * aData.mCbCrStride) + cbcr_x,
|
|
mData.mCbCrStride);
|
|
}
|
|
|
|
// Fix picture rect to be correct
|
|
mData.mPicX = mData.mPicY = 0;
|
|
mSize = aData.mPicSize;
|
|
|
|
mHasData = PR_TRUE;
|
|
}
|
|
|
|
void
|
|
PlanarYCbCrImageOGL::AllocateTextures(mozilla::gl::GLContext *gl)
|
|
{
|
|
gl->MakeCurrent();
|
|
|
|
mRecycleBin->GetTexture(RecycleBin::TEXTURE_Y, mData.mYSize, gl, &mTextures[0]);
|
|
InitTexture(gl, mTextures[0].GetTextureID(), LOCAL_GL_LUMINANCE, mData.mYSize);
|
|
|
|
mRecycleBin->GetTexture(RecycleBin::TEXTURE_C, mData.mCbCrSize, gl, &mTextures[1]);
|
|
InitTexture(gl, mTextures[1].GetTextureID(), LOCAL_GL_LUMINANCE, mData.mCbCrSize);
|
|
|
|
mRecycleBin->GetTexture(RecycleBin::TEXTURE_C, mData.mCbCrSize, gl, &mTextures[2]);
|
|
InitTexture(gl, mTextures[2].GetTextureID(), LOCAL_GL_LUMINANCE, mData.mCbCrSize);
|
|
}
|
|
|
|
void
|
|
PlanarYCbCrImageOGL::UpdateTextures(GLContext *gl)
|
|
{
|
|
GLint alignment;
|
|
|
|
if (!((ptrdiff_t)mData.mYStride & 0x7) && !((ptrdiff_t)mData.mYChannel & 0x7)) {
|
|
alignment = 8;
|
|
} else if (!((ptrdiff_t)mData.mYStride & 0x3)) {
|
|
alignment = 4;
|
|
} else if (!((ptrdiff_t)mData.mYStride & 0x1)) {
|
|
alignment = 2;
|
|
} else {
|
|
alignment = 1;
|
|
}
|
|
|
|
// Set texture alignment for Y plane.
|
|
gl->fPixelStorei(LOCAL_GL_UNPACK_ALIGNMENT, alignment);
|
|
|
|
gl->fBindTexture(LOCAL_GL_TEXTURE_2D, mTextures[0].GetTextureID());
|
|
gl->fTexSubImage2D(LOCAL_GL_TEXTURE_2D, 0,
|
|
0, 0, mData.mYSize.width, mData.mYSize.height,
|
|
LOCAL_GL_LUMINANCE,
|
|
LOCAL_GL_UNSIGNED_BYTE,
|
|
mData.mYChannel);
|
|
|
|
if (!((ptrdiff_t)mData.mCbCrStride & 0x7) &&
|
|
!((ptrdiff_t)mData.mCbChannel & 0x7) &&
|
|
!((ptrdiff_t)mData.mCrChannel & 0x7))
|
|
{
|
|
alignment = 8;
|
|
} else if (!((ptrdiff_t)mData.mCbCrStride & 0x3)) {
|
|
alignment = 4;
|
|
} else if (!((ptrdiff_t)mData.mCbCrStride & 0x1)) {
|
|
alignment = 2;
|
|
} else {
|
|
alignment = 1;
|
|
}
|
|
|
|
// Set texture alignment for Cb/Cr plane
|
|
gl->fPixelStorei(LOCAL_GL_UNPACK_ALIGNMENT, alignment);
|
|
|
|
gl->fBindTexture(LOCAL_GL_TEXTURE_2D, mTextures[1].GetTextureID());
|
|
gl->fTexSubImage2D(LOCAL_GL_TEXTURE_2D, 0,
|
|
0, 0, mData.mCbCrSize.width, mData.mCbCrSize.height,
|
|
LOCAL_GL_LUMINANCE,
|
|
LOCAL_GL_UNSIGNED_BYTE,
|
|
mData.mCbChannel);
|
|
|
|
gl->fBindTexture(LOCAL_GL_TEXTURE_2D, mTextures[2].GetTextureID());
|
|
gl->fTexSubImage2D(LOCAL_GL_TEXTURE_2D, 0,
|
|
0, 0, mData.mCbCrSize.width, mData.mCbCrSize.height,
|
|
LOCAL_GL_LUMINANCE,
|
|
LOCAL_GL_UNSIGNED_BYTE,
|
|
mData.mCrChannel);
|
|
|
|
// Reset alignment to default
|
|
gl->fPixelStorei(LOCAL_GL_UNPACK_ALIGNMENT, 4);
|
|
|
|
// Recycle main-memory buffer now that we've got the data in our textures
|
|
if (mBuffer) {
|
|
mRecycleBin->RecycleBuffer(mBuffer.forget(), mBufferSize);
|
|
}
|
|
}
|
|
|
|
CairoImageOGL::CairoImageOGL(LayerManagerOGL *aManager)
|
|
: CairoImage(nsnull)
|
|
{
|
|
NS_ASSERTION(NS_IsMainThread(), "Should be on main thread to create a cairo image");
|
|
|
|
if (aManager) {
|
|
// Allocate texture now to grab a reference to the GLContext
|
|
mTexture.Allocate(aManager->glForResources());
|
|
}
|
|
}
|
|
|
|
void
|
|
CairoImageOGL::SetData(const CairoImage::Data &aData)
|
|
{
|
|
if (!mTexture.IsAllocated())
|
|
return;
|
|
|
|
mozilla::gl::GLContext *gl = mTexture.GetGLContext();
|
|
gl->MakeCurrent();
|
|
|
|
if (mSize != aData.mSize) {
|
|
gl->fActiveTexture(LOCAL_GL_TEXTURE0);
|
|
InitTexture(gl, mTexture.GetTextureID(), LOCAL_GL_RGBA, aData.mSize);
|
|
mSize = aData.mSize;
|
|
} else {
|
|
gl->fBindTexture(LOCAL_GL_TEXTURE_2D, mTexture.GetTextureID());
|
|
}
|
|
|
|
if (!mASurfaceAsGLContext) {
|
|
mASurfaceAsGLContext = GLContextProvider::CreateForNativePixmapSurface(aData.mSurface);
|
|
if (mASurfaceAsGLContext)
|
|
mASurfaceAsGLContext->BindTexImage();
|
|
}
|
|
|
|
if (mASurfaceAsGLContext)
|
|
return;
|
|
|
|
// XXX This could be a lot more efficient if we already have an image-compatible
|
|
// surface
|
|
// XXX if we ever create an ImageFormatRGB24 surface, make sure that we use
|
|
// a BGRX program in that case (instead of BGRA)
|
|
nsRefPtr<gfxImageSurface> imageSurface =
|
|
new gfxImageSurface(aData.mSize, gfxASurface::ImageFormatARGB32);
|
|
nsRefPtr<gfxContext> context = new gfxContext(imageSurface);
|
|
|
|
context->SetSource(aData.mSurface);
|
|
context->Paint();
|
|
|
|
gl->fTexSubImage2D(LOCAL_GL_TEXTURE_2D, 0,
|
|
0, 0, mSize.width, mSize.height,
|
|
LOCAL_GL_RGBA,
|
|
LOCAL_GL_UNSIGNED_BYTE,
|
|
imageSurface->Data());
|
|
}
|
|
|
|
} /* layers */
|
|
} /* mozilla */
|