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363 lines
11 KiB
C++
363 lines
11 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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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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*
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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 "glWrapper.h"
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namespace mozilla {
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namespace layers {
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using mozilla::MutexAutoLock;
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ImageContainerOGL::ImageContainerOGL(LayerManagerOGL *aManager)
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: ImageContainer(aManager)
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, mActiveImageLock("mozilla.layers.ImageContainerOGL.mActiveImageLock")
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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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} 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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MutexAutoLock lock(mActiveImageLock);
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mActiveImage = aImage;
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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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return nsnull;
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}
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LayerOGL::LayerType
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ImageLayerOGL::GetType()
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{
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return TYPE_IMAGE;
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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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{
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if (!GetContainer()) {
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return;
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}
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static_cast<LayerManagerOGL*>(mManager)->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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yuvImage->AllocateTextures();
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float quadTransform[4][4];
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// Transform the quad to the size of the video.
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memset(&quadTransform, 0, sizeof(quadTransform));
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quadTransform[0][0] = (float)yuvImage->mSize.width;
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quadTransform[1][1] = (float)yuvImage->mSize.height;
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quadTransform[2][2] = 1.0f;
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quadTransform[3][3] = 1.0f;
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YCbCrLayerProgram *program =
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static_cast<LayerManagerOGL*>(mManager)->GetYCbCrLayerProgram();
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program->Activate();
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program->SetLayerQuadTransform(&quadTransform[0][0]);
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sglWrapper.ActiveTexture(LOCAL_GL_TEXTURE0);
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sglWrapper.BindTexture(LOCAL_GL_TEXTURE_2D, yuvImage->mTextures[0]);
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sglWrapper.ActiveTexture(LOCAL_GL_TEXTURE1);
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sglWrapper.BindTexture(LOCAL_GL_TEXTURE_2D, yuvImage->mTextures[1]);
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sglWrapper.ActiveTexture(LOCAL_GL_TEXTURE2);
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sglWrapper.BindTexture(LOCAL_GL_TEXTURE_2D, yuvImage->mTextures[2]);
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program->SetLayerOpacity(GetOpacity());
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program->SetLayerTransform(&mTransform._11);
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program->Apply();
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sglWrapper.DrawArrays(LOCAL_GL_TRIANGLE_STRIP, 0, 4);
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yuvImage->FreeTextures();
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sglWrapper.ActiveTexture(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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float quadTransform[4][4];
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// Transform the quad to the size of the video.
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memset(&quadTransform, 0, sizeof(quadTransform));
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quadTransform[0][0] = (float)cairoImage->mSize.width;
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quadTransform[1][1] = (float)cairoImage->mSize.height;
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quadTransform[2][2] = 1.0f;
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quadTransform[3][3] = 1.0f;
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RGBLayerProgram *program =
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static_cast<LayerManagerOGL*>(mManager)->GetRGBLayerProgram();
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program->Activate();
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program->SetLayerQuadTransform(&quadTransform[0][0]);
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sglWrapper.ActiveTexture(LOCAL_GL_TEXTURE0);
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sglWrapper.BindTexture(LOCAL_GL_TEXTURE_2D, cairoImage->mTexture);
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program->SetLayerOpacity(GetOpacity());
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program->SetLayerTransform(&mTransform._11);
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program->Apply();
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sglWrapper.DrawArrays(LOCAL_GL_TRIANGLE_STRIP, 0, 4);
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}
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}
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PlanarYCbCrImageOGL::PlanarYCbCrImageOGL(mozilla::layers::LayerManagerOGL* aManager)
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: PlanarYCbCrImage(NULL)
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, mLoaded(PR_FALSE)
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, mHasData(PR_FALSE)
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, mManager(aManager)
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{
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memset(mTextures, 0, sizeof(GLuint) * 3);
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}
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PlanarYCbCrImageOGL::~PlanarYCbCrImageOGL()
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{
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if (mHasData) {
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delete [] mData.mYChannel;
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delete [] mData.mCbChannel;
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delete [] mData.mCrChannel;
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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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mData = aData;
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mData.mCbChannel = new PRUint8[aData.mCbCrStride * aData.mCbCrSize.height];
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mData.mCrChannel = new PRUint8[aData.mCbCrStride * aData.mCbCrSize.height];
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mData.mYChannel = new PRUint8[aData.mYStride * aData.mYSize.height];
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memcpy(mData.mCbChannel, aData.mCbChannel, aData.mCbCrStride * aData.mCbCrSize.height);
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memcpy(mData.mCrChannel, aData.mCrChannel, aData.mCbCrStride * aData.mCbCrSize.height);
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memcpy(mData.mYChannel, aData.mYChannel, aData.mYStride * aData.mYSize.height);
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mSize = aData.mYSize;
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mHasData = PR_TRUE;
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}
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void
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PlanarYCbCrImageOGL::AllocateTextures()
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{
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mManager->MakeCurrent();
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sglWrapper.GenTextures(3, mTextures);
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GLint alignment;
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if (!((ptrdiff_t)mData.mYStride & 0x7) && !((ptrdiff_t)mData.mYChannel & 0x7)) {
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alignment = 8;
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} else if (!((ptrdiff_t)mData.mYStride & 0x3)) {
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alignment = 4;
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} else if (!((ptrdiff_t)mData.mYStride & 0x1)) {
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alignment = 2;
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} else {
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alignment = 1;
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}
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// Set texture alignment for Y plane.
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sglWrapper.PixelStorei(LOCAL_GL_UNPACK_ALIGNMENT, alignment);
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sglWrapper.BindTexture(LOCAL_GL_TEXTURE_2D, mTextures[0]);
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sglWrapper.TexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MIN_FILTER, LOCAL_GL_LINEAR);
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sglWrapper.TexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MAG_FILTER, LOCAL_GL_LINEAR);
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sglWrapper.TexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_WRAP_S, LOCAL_GL_CLAMP_TO_EDGE);
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sglWrapper.TexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_WRAP_T, LOCAL_GL_CLAMP_TO_EDGE);
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sglWrapper.TexImage2D(LOCAL_GL_TEXTURE_2D,
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0,
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LOCAL_GL_LUMINANCE,
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mSize.width,
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mSize.height,
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0,
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LOCAL_GL_LUMINANCE,
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LOCAL_GL_UNSIGNED_BYTE,
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mData.mYChannel);
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if (!((ptrdiff_t)mData.mCbCrStride & 0x7) &&
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!((ptrdiff_t)mData.mCbChannel & 0x7) &&
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!((ptrdiff_t)mData.mCrChannel & 0x7)) {
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alignment = 8;
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} else if (!((ptrdiff_t)mData.mCbCrStride & 0x3)) {
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alignment = 4;
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} else if (!((ptrdiff_t)mData.mCbCrStride & 0x1)) {
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alignment = 2;
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} else {
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alignment = 1;
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}
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// Set texture alignment for Cb/Cr plane
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sglWrapper.PixelStorei(LOCAL_GL_UNPACK_ALIGNMENT, alignment);
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sglWrapper.BindTexture(LOCAL_GL_TEXTURE_2D, mTextures[1]);
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sglWrapper.TexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MIN_FILTER, LOCAL_GL_LINEAR);
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sglWrapper.TexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MAG_FILTER, LOCAL_GL_LINEAR);
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sglWrapper.TexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_WRAP_S, LOCAL_GL_CLAMP_TO_EDGE);
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sglWrapper.TexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_WRAP_T, LOCAL_GL_CLAMP_TO_EDGE);
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sglWrapper.TexImage2D(LOCAL_GL_TEXTURE_2D,
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0,
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LOCAL_GL_LUMINANCE,
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mData.mCbCrSize.width,
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mData.mCbCrSize.height,
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0,
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LOCAL_GL_LUMINANCE,
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LOCAL_GL_UNSIGNED_BYTE,
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mData.mCbChannel);
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sglWrapper.BindTexture(LOCAL_GL_TEXTURE_2D, mTextures[2]);
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sglWrapper.TexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MIN_FILTER, LOCAL_GL_LINEAR);
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sglWrapper.TexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MAG_FILTER, LOCAL_GL_LINEAR);
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sglWrapper.TexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_WRAP_S, LOCAL_GL_CLAMP_TO_EDGE);
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sglWrapper.TexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_WRAP_T, LOCAL_GL_CLAMP_TO_EDGE);
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sglWrapper.TexImage2D(LOCAL_GL_TEXTURE_2D,
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0,
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LOCAL_GL_LUMINANCE,
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mData.mCbCrSize.width,
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mData.mCbCrSize.height,
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0,
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LOCAL_GL_LUMINANCE,
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LOCAL_GL_UNSIGNED_BYTE,
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mData.mCrChannel);
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// Reset alignment to default
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sglWrapper.PixelStorei(LOCAL_GL_UNPACK_ALIGNMENT, 4);
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}
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void
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PlanarYCbCrImageOGL::FreeTextures()
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{
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static_cast<LayerManagerOGL*>(mManager)->MakeCurrent();
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if (mTextures[0]) {
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sglWrapper.DeleteTextures(3, mTextures);
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}
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}
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CairoImageOGL::~CairoImageOGL()
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{
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static_cast<LayerManagerOGL*>(mManager)->MakeCurrent();
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if (mTexture) {
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sglWrapper.DeleteTextures(1, &mTexture);
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}
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}
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void
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CairoImageOGL::SetData(const CairoImage::Data &aData)
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{
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mSize = aData.mSize;
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mManager->MakeCurrent();
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nsRefPtr<gfxImageSurface> imageSurface =
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new gfxImageSurface(aData.mSize, gfxASurface::ImageFormatARGB32);
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nsRefPtr<gfxContext> context = new gfxContext(imageSurface);
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context->SetSource(aData.mSurface);
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context->Paint();
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sglWrapper.GenTextures(1, &mTexture);
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sglWrapper.BindTexture(LOCAL_GL_TEXTURE_2D, mTexture);
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sglWrapper.TexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MIN_FILTER, LOCAL_GL_LINEAR);
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sglWrapper.TexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MAG_FILTER, LOCAL_GL_LINEAR);
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sglWrapper.TexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_WRAP_S, LOCAL_GL_CLAMP_TO_EDGE);
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sglWrapper.TexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_WRAP_T, LOCAL_GL_CLAMP_TO_EDGE);
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sglWrapper.TexImage2D(LOCAL_GL_TEXTURE_2D,
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0,
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LOCAL_GL_RGBA,
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mSize.width,
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mSize.height,
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0,
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LOCAL_GL_BGRA,
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LOCAL_GL_UNSIGNED_BYTE,
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imageSurface->Data());
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}
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} /* layers */
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} /* mozilla */
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