зеркало из https://github.com/mozilla/gecko-dev.git
347 строки
9.2 KiB
C++
347 строки
9.2 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.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 "LayerManagerD3D9.h"
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#include "ThebesLayerD3D9.h"
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#include "ContainerLayerD3D9.h"
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#include "ImageLayerD3D9.h"
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#include "ColorLayerD3D9.h"
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#include "CanvasLayerD3D9.h"
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#include "nsIServiceManager.h"
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#include "nsIPrefService.h"
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#include "gfxWindowsPlatform.h"
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#ifdef CAIRO_HAS_D2D_SURFACE
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#include "gfxD2DSurface.h"
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#endif
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namespace mozilla {
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namespace layers {
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DeviceManagerD3D9 *LayerManagerD3D9::mDeviceManager = nsnull;
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LayerManagerD3D9::LayerManagerD3D9(nsIWidget *aWidget)
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: mIs3DEnabled(PR_FALSE)
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{
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mWidget = aWidget;
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mCurrentCallbackInfo.Callback = NULL;
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mCurrentCallbackInfo.CallbackData = NULL;
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}
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LayerManagerD3D9::~LayerManagerD3D9()
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{
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/* Important to release this first since it also holds a reference to the
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* device manager
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*/
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mSwapChain = nsnull;
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if (mDeviceManager && mDeviceManager->Release() == 0) {
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mDeviceManager = nsnull;
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}
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}
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PRBool
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LayerManagerD3D9::Initialize()
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{
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/* Check the user preference for whether 3d video is enabled or not */
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nsCOMPtr<nsIPrefBranch> prefs = do_GetService(NS_PREFSERVICE_CONTRACTID);
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prefs->GetBoolPref("gfx.3d_video.enabled", &mIs3DEnabled);
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if (!mDeviceManager) {
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mDeviceManager = new DeviceManagerD3D9;
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mDeviceManager->AddRef();
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if (!mDeviceManager->Init()) {
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mDeviceManager->Release();
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mDeviceManager = nsnull;
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return PR_FALSE;
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}
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} else {
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mDeviceManager->AddRef();
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}
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mSwapChain = mDeviceManager->
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CreateSwapChain((HWND)mWidget->GetNativeData(NS_NATIVE_WINDOW));
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if (!mSwapChain) {
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return PR_FALSE;
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}
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return PR_TRUE;
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}
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void
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LayerManagerD3D9::SetClippingRegion(const nsIntRegion &aClippingRegion)
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{
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mClippingRegion = aClippingRegion;
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}
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void
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LayerManagerD3D9::BeginTransaction()
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{
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}
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void
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LayerManagerD3D9::BeginTransactionWithTarget(gfxContext *aTarget)
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{
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mTarget = aTarget;
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}
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void
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LayerManagerD3D9::EndConstruction()
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{
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}
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void
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LayerManagerD3D9::EndTransaction(DrawThebesLayerCallback aCallback,
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void* aCallbackData)
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{
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mCurrentCallbackInfo.Callback = aCallback;
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mCurrentCallbackInfo.CallbackData = aCallbackData;
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Render();
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/* Clean this out for sanity */
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mCurrentCallbackInfo.Callback = NULL;
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mCurrentCallbackInfo.CallbackData = NULL;
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// Clear mTarget, next transaction could have no target
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mTarget = NULL;
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}
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void
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LayerManagerD3D9::SetRoot(Layer *aLayer)
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{
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mRoot = aLayer;
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}
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already_AddRefed<ThebesLayer>
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LayerManagerD3D9::CreateThebesLayer()
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{
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nsRefPtr<ThebesLayer> layer = new ThebesLayerD3D9(this);
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return layer.forget();
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}
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already_AddRefed<ContainerLayer>
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LayerManagerD3D9::CreateContainerLayer()
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{
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nsRefPtr<ContainerLayer> layer = new ContainerLayerD3D9(this);
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return layer.forget();
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}
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already_AddRefed<ImageLayer>
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LayerManagerD3D9::CreateImageLayer()
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{
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nsRefPtr<ImageLayer> layer = new ImageLayerD3D9(this);
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return layer.forget();
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}
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already_AddRefed<ColorLayer>
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LayerManagerD3D9::CreateColorLayer()
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{
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nsRefPtr<ColorLayer> layer = new ColorLayerD3D9(this);
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return layer.forget();
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}
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already_AddRefed<CanvasLayer>
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LayerManagerD3D9::CreateCanvasLayer()
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{
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nsRefPtr<CanvasLayer> layer = new CanvasLayerD3D9(this);
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return layer.forget();
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}
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already_AddRefed<ImageContainer>
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LayerManagerD3D9::CreateImageContainer()
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{
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nsRefPtr<ImageContainer> container = new ImageContainerD3D9(this);
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return container.forget();
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}
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cairo_user_data_key_t gKeyD3D9Texture;
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void ReleaseTexture(void *texture)
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{
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static_cast<IDirect3DTexture9*>(texture)->Release();
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}
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already_AddRefed<gfxASurface>
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LayerManagerD3D9::CreateOptimalSurface(const gfxIntSize &aSize,
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gfxASurface::gfxImageFormat aFormat)
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{
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#ifdef CAIRO_HAS_D2D_SURFACE
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if ((aFormat != gfxASurface::ImageFormatRGB24 &&
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aFormat != gfxASurface::ImageFormatARGB32) ||
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gfxWindowsPlatform::GetPlatform()->GetRenderMode() !=
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gfxWindowsPlatform::RENDER_DIRECT2D ||
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!deviceManager()->IsD3D9Ex()) {
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return LayerManager::CreateOptimalSurface(aSize, aFormat);
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}
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nsRefPtr<IDirect3DTexture9> texture;
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HANDLE sharedHandle = 0;
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device()->CreateTexture(aSize.width, aSize.height, 1,
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D3DUSAGE_RENDERTARGET, D3DFMT_A8R8G8B8,
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D3DPOOL_DEFAULT, getter_AddRefs(texture), &sharedHandle);
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nsRefPtr<gfxD2DSurface> surface =
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new gfxD2DSurface(sharedHandle, aFormat == gfxASurface::ImageFormatRGB24 ?
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gfxASurface::CONTENT_COLOR : gfxASurface::CONTENT_COLOR_ALPHA);
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if (!surface || surface->CairoStatus()) {
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return LayerManager::CreateOptimalSurface(aSize, aFormat);
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}
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surface->SetData(&gKeyD3D9Texture,
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texture.forget().get(),
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ReleaseTexture);
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return surface.forget();
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#else
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return LayerManager::CreateOptimalSurface(aSize, aFormat);
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#endif
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}
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void
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LayerManagerD3D9::Render()
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{
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if (!mSwapChain->PrepareForRendering()) {
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return;
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}
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deviceManager()->SetupRenderState();
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SetupPipeline();
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nsIntRect rect;
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mWidget->GetClientBounds(rect);
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device()->Clear(0, NULL, D3DCLEAR_TARGET, 0x00000000, 0, 0);
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device()->BeginScene();
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if (mRoot) {
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const nsIntRect *clipRect = mRoot->GetClipRect();
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RECT r;
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if (clipRect) {
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r.left = (LONG)clipRect->x;
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r.top = (LONG)clipRect->y;
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r.right = (LONG)(clipRect->x + clipRect->width);
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r.bottom = (LONG)(clipRect->y + clipRect->height);
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} else {
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r.left = r.top = 0;
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r.right = rect.width;
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r.bottom = rect.height;
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}
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device()->SetScissorRect(&r);
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static_cast<LayerD3D9*>(mRoot->ImplData())->RenderLayer();
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}
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device()->EndScene();
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if (!mTarget) {
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const nsIntRect *r;
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for (nsIntRegionRectIterator iter(mClippingRegion);
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(r = iter.Next()) != nsnull;) {
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mSwapChain->Present(*r);
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}
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} else {
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PaintToTarget();
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}
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}
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void
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LayerManagerD3D9::SetupPipeline()
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{
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nsIntRect rect;
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mWidget->GetClientBounds(rect);
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float viewMatrix[4][4];
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/*
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* Matrix to transform to viewport space ( <-1.0, 1.0> topleft,
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* <1.0, -1.0> bottomright)
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*/
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memset(&viewMatrix, 0, sizeof(viewMatrix));
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viewMatrix[0][0] = 2.0f / rect.width;
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viewMatrix[1][1] = -2.0f / rect.height;
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viewMatrix[2][2] = 1.0f;
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viewMatrix[3][0] = -1.0f;
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viewMatrix[3][1] = 1.0f;
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viewMatrix[3][3] = 1.0f;
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HRESULT hr = device()->SetVertexShaderConstantF(8, &viewMatrix[0][0], 4);
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if (FAILED(hr)) {
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NS_WARNING("Failed to set projection shader constant!");
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}
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}
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void
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LayerManagerD3D9::PaintToTarget()
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{
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nsRefPtr<IDirect3DSurface9> backBuff;
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nsRefPtr<IDirect3DSurface9> destSurf;
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device()->GetRenderTarget(0, getter_AddRefs(backBuff));
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D3DSURFACE_DESC desc;
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backBuff->GetDesc(&desc);
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device()->CreateOffscreenPlainSurface(desc.Width, desc.Height,
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D3DFMT_A8R8G8B8, D3DPOOL_SYSTEMMEM,
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getter_AddRefs(destSurf), NULL);
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device()->GetRenderTargetData(backBuff, destSurf);
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D3DLOCKED_RECT rect;
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destSurf->LockRect(&rect, NULL, D3DLOCK_READONLY);
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nsRefPtr<gfxImageSurface> imageSurface =
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new gfxImageSurface((unsigned char*)rect.pBits,
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gfxIntSize(desc.Width, desc.Height),
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rect.Pitch,
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gfxASurface::ImageFormatARGB32);
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mTarget->SetSource(imageSurface);
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mTarget->SetOperator(gfxContext::OPERATOR_OVER);
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mTarget->Paint();
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destSurf->UnlockRect();
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}
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LayerD3D9::LayerD3D9(LayerManagerD3D9 *aManager)
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: mD3DManager(aManager)
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{
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}
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} /* namespace layers */
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} /* namespace mozilla */
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