gecko-dev/gfx/layers/opengl/MacIOSurfaceImageOGL.mm

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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* ***** 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 Corporation code.
*
* The Initial Developer of the Original Code is Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2009
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Matt Woodrow <mwoodrow@mozilla.com>
*
* 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 "ImageLayerOGL.h"
#include "MacIOSurfaceImageOGL.h"
#include <AppKit/NSOpenGL.h>
#include "OpenGL/OpenGL.h"
using namespace mozilla::gl;
namespace mozilla {
namespace layers {
MacIOSurfaceImageOGL::MacIOSurfaceImageOGL(LayerManagerOGL *aManager)
: MacIOSurfaceImage(nsnull), mSize(0, 0), mPluginInstanceOwner(nsnull),
mUpdateCallback(nsnull), mDestroyCallback(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
GLContext *gl = aManager->glForResources();
mTexture.Allocate(gl);
gl->fBindTexture(LOCAL_GL_TEXTURE_RECTANGLE_ARB, mTexture.GetTextureID());
gl->fTexParameteri(LOCAL_GL_TEXTURE_RECTANGLE_ARB,
LOCAL_GL_TEXTURE_MIN_FILTER,
LOCAL_GL_NEAREST);
gl->fTexParameteri(LOCAL_GL_TEXTURE_RECTANGLE_ARB,
LOCAL_GL_TEXTURE_MAG_FILTER,
LOCAL_GL_NEAREST);
gl->fBindTexture(LOCAL_GL_TEXTURE_RECTANGLE_ARB, 0);
}
}
MacIOSurfaceImageOGL::~MacIOSurfaceImageOGL()
{
if (mDestroyCallback) {
mDestroyCallback(mPluginInstanceOwner);
}
}
void
MacIOSurfaceImageOGL::SetData(const MacIOSurfaceImage::Data &aData)
{
mIOSurface = nsIOSurface::LookupSurface(aData.mIOSurface->GetIOSurfaceID());
mSize = gfxIntSize(mIOSurface->GetWidth(), mIOSurface->GetHeight());
GLContext *gl = mTexture.GetGLContext();
gl->MakeCurrent();
gl->fActiveTexture(LOCAL_GL_TEXTURE0);
gl->fBindTexture(LOCAL_GL_TEXTURE_RECTANGLE_ARB, mTexture.GetTextureID());
void *nativeCtx = gl->GetNativeData(GLContext::NativeGLContext);
NSOpenGLContext* nsCtx = (NSOpenGLContext*)nativeCtx;
mIOSurface->CGLTexImageIOSurface2D((CGLContextObj)[nsCtx CGLContextObj],
LOCAL_GL_RGBA, LOCAL_GL_BGRA,
LOCAL_GL_UNSIGNED_INT_8_8_8_8_REV, 0);
gl->fBindTexture(LOCAL_GL_TEXTURE_RECTANGLE_ARB, 0);
}
void
MacIOSurfaceImageOGL::SetUpdateCallback(UpdateSurfaceCallback aCallback, void* aPluginInstanceOwner)
{
mUpdateCallback = aCallback;
mPluginInstanceOwner = aPluginInstanceOwner;
}
void
MacIOSurfaceImageOGL::SetDestroyCallback(DestroyCallback aCallback)
{
mDestroyCallback = aCallback;
}
void
MacIOSurfaceImageOGL::Update(ImageContainer* aContainer)
{
if (mUpdateCallback) {
mUpdateCallback(aContainer, mPluginInstanceOwner);
}
}
} /* layers */
} /* mozilla */