gecko/gfx/layers/d3d9/LayerManagerD3D9.cpp

395 lines
10 KiB
C++

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla 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):
* Bas Schouten <bschouten@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 "LayerManagerD3D9.h"
#include "ThebesLayerD3D9.h"
#include "ContainerLayerD3D9.h"
#include "ImageLayerD3D9.h"
#include "ColorLayerD3D9.h"
#include "CanvasLayerD3D9.h"
#include "ReadbackLayerD3D9.h"
#include "gfxWindowsPlatform.h"
#include "nsIGfxInfo.h"
#include "nsServiceManagerUtils.h"
#include "nsIPrefService.h"
#include "nsIPrefBranch2.h"
#include "gfxFailure.h"
#include "gfxCrashReporterUtils.h"
namespace mozilla {
namespace layers {
DeviceManagerD3D9 *LayerManagerD3D9::mDefaultDeviceManager = nsnull;
LayerManagerD3D9::LayerManagerD3D9(nsIWidget *aWidget)
: mWidget(aWidget)
, mDeviceResetCount(0)
{
mCurrentCallbackInfo.Callback = NULL;
mCurrentCallbackInfo.CallbackData = NULL;
}
LayerManagerD3D9::~LayerManagerD3D9()
{
Destroy();
}
PRBool
LayerManagerD3D9::Initialize()
{
ScopedGfxFeatureReporter reporter("D3D9 Layers");
nsCOMPtr<nsIPrefBranch2> prefs = do_GetService(NS_PREFSERVICE_CONTRACTID);
/* XXX: this preference and blacklist code should move out of the layer manager */
PRBool forceAccelerate = PR_FALSE;
if (prefs) {
// we should use AddBoolPrefVarCache
prefs->GetBoolPref("layers.acceleration.force-enabled",
&forceAccelerate);
}
nsCOMPtr<nsIGfxInfo> gfxInfo = do_GetService("@mozilla.org/gfx/info;1");
if (gfxInfo) {
PRInt32 status;
if (NS_SUCCEEDED(gfxInfo->GetFeatureStatus(nsIGfxInfo::FEATURE_DIRECT3D_9_LAYERS, &status))) {
if (status != nsIGfxInfo::FEATURE_NO_INFO && !forceAccelerate)
{
NS_WARNING("Direct3D 9-accelerated layers are not supported on this system.");
return PR_FALSE;
}
}
}
if (!mDefaultDeviceManager) {
mDeviceManager = new DeviceManagerD3D9;
if (!mDeviceManager->Init()) {
mDeviceManager = nsnull;
return PR_FALSE;
}
mDefaultDeviceManager = mDeviceManager;
} else {
mDeviceManager = mDefaultDeviceManager;
}
mSwapChain = mDeviceManager->
CreateSwapChain((HWND)mWidget->GetNativeData(NS_NATIVE_WINDOW));
if (!mSwapChain) {
return PR_FALSE;
}
reporter.SetSuccessful();
return PR_TRUE;
}
void
LayerManagerD3D9::SetClippingRegion(const nsIntRegion &aClippingRegion)
{
mClippingRegion = aClippingRegion;
}
void
LayerManagerD3D9::Destroy()
{
if (!IsDestroyed()) {
if (mRoot) {
static_cast<LayerD3D9*>(mRoot->ImplData())->LayerManagerDestroyed();
}
/* Important to release this first since it also holds a reference to the
* device manager
*/
mSwapChain = nsnull;
mDeviceManager = nsnull;
}
LayerManager::Destroy();
}
void
LayerManagerD3D9::BeginTransaction()
{
}
void
LayerManagerD3D9::BeginTransactionWithTarget(gfxContext *aTarget)
{
mTarget = aTarget;
}
void
LayerManagerD3D9::EndConstruction()
{
}
bool
LayerManagerD3D9::EndEmptyTransaction()
{
// If the device reset count from our last EndTransaction doesn't match
// the current device reset count, the device must have been reset one or
// more times since our last transaction. In that case, an empty transaction
// is not possible, because layers may need to be rerendered.
if (!mRoot || mDeviceResetCount != mDeviceManager->GetDeviceResetCount())
return false;
EndTransaction(nsnull, nsnull);
return true;
}
void
LayerManagerD3D9::EndTransaction(DrawThebesLayerCallback aCallback,
void* aCallbackData)
{
mDeviceResetCount = mDeviceManager->GetDeviceResetCount();
if (mRoot) {
mCurrentCallbackInfo.Callback = aCallback;
mCurrentCallbackInfo.CallbackData = aCallbackData;
// The results of our drawing always go directly into a pixel buffer,
// so we don't need to pass any global transform here.
mRoot->ComputeEffectiveTransforms(gfx3DMatrix());
Render();
/* Clean this out for sanity */
mCurrentCallbackInfo.Callback = NULL;
mCurrentCallbackInfo.CallbackData = NULL;
}
// Clear mTarget, next transaction could have no target
mTarget = NULL;
}
void
LayerManagerD3D9::SetRoot(Layer *aLayer)
{
mRoot = aLayer;
}
already_AddRefed<ThebesLayer>
LayerManagerD3D9::CreateThebesLayer()
{
nsRefPtr<ThebesLayer> layer = new ThebesLayerD3D9(this);
return layer.forget();
}
already_AddRefed<ContainerLayer>
LayerManagerD3D9::CreateContainerLayer()
{
nsRefPtr<ContainerLayer> layer = new ContainerLayerD3D9(this);
return layer.forget();
}
already_AddRefed<ImageLayer>
LayerManagerD3D9::CreateImageLayer()
{
nsRefPtr<ImageLayer> layer = new ImageLayerD3D9(this);
return layer.forget();
}
already_AddRefed<ColorLayer>
LayerManagerD3D9::CreateColorLayer()
{
nsRefPtr<ColorLayer> layer = new ColorLayerD3D9(this);
return layer.forget();
}
already_AddRefed<CanvasLayer>
LayerManagerD3D9::CreateCanvasLayer()
{
nsRefPtr<CanvasLayer> layer = new CanvasLayerD3D9(this);
return layer.forget();
}
already_AddRefed<ReadbackLayer>
LayerManagerD3D9::CreateReadbackLayer()
{
nsRefPtr<ReadbackLayer> layer = new ReadbackLayerD3D9(this);
return layer.forget();
}
already_AddRefed<ImageContainer>
LayerManagerD3D9::CreateImageContainer()
{
nsRefPtr<ImageContainer> container = new ImageContainerD3D9(device());
return container.forget();
}
void ReleaseTexture(void *texture)
{
static_cast<IDirect3DTexture9*>(texture)->Release();
}
void
LayerManagerD3D9::ReportFailure(const nsACString &aMsg, HRESULT aCode)
{
// We could choose to abort here when hr == E_OUTOFMEMORY.
nsCString msg;
msg.Append(aMsg);
msg.AppendLiteral(" Error code: ");
msg.AppendInt(PRUint32(aCode));
NS_WARNING(msg.BeginReading());
gfx::LogFailure(msg);
}
void
LayerManagerD3D9::Render()
{
if (!mSwapChain->PrepareForRendering()) {
return;
}
deviceManager()->SetupRenderState();
SetupPipeline();
nsIntRect rect;
mWidget->GetClientBounds(rect);
device()->Clear(0, NULL, D3DCLEAR_TARGET, 0x00000000, 0, 0);
device()->BeginScene();
const nsIntRect *clipRect = mRoot->GetClipRect();
RECT r;
if (clipRect) {
r.left = (LONG)clipRect->x;
r.top = (LONG)clipRect->y;
r.right = (LONG)(clipRect->x + clipRect->width);
r.bottom = (LONG)(clipRect->y + clipRect->height);
} else {
r.left = r.top = 0;
r.right = rect.width;
r.bottom = rect.height;
}
device()->SetScissorRect(&r);
static_cast<LayerD3D9*>(mRoot->ImplData())->RenderLayer();
device()->EndScene();
if (!mTarget) {
const nsIntRect *r;
for (nsIntRegionRectIterator iter(mClippingRegion);
(r = iter.Next()) != nsnull;) {
mSwapChain->Present(*r);
}
} else {
PaintToTarget();
}
}
void
LayerManagerD3D9::SetupPipeline()
{
nsIntRect rect;
mWidget->GetClientBounds(rect);
gfx3DMatrix viewMatrix;
/*
* Matrix to transform to viewport space ( <-1.0, 1.0> topleft,
* <1.0, -1.0> bottomright)
*/
viewMatrix._11 = 2.0f / rect.width;
viewMatrix._22 = -2.0f / rect.height;
viewMatrix._41 = -1.0f;
viewMatrix._42 = 1.0f;
HRESULT hr = device()->SetVertexShaderConstantF(CBmProjection,
&viewMatrix._11, 4);
if (FAILED(hr)) {
NS_WARNING("Failed to set projection shader constant!");
}
hr = device()->SetVertexShaderConstantF(CBvTextureCoords,
ShaderConstantRect(0, 0, 1.0f, 1.0f),
1);
if (FAILED(hr)) {
NS_WARNING("Failed to set texCoords shader constant!");
}
float offset[] = { 0, 0, 0, 0 };
hr = device()->SetVertexShaderConstantF(CBvRenderTargetOffset, offset, 1);
if (FAILED(hr)) {
NS_WARNING("Failed to set RenderTargetOffset shader constant!");
}
}
void
LayerManagerD3D9::PaintToTarget()
{
nsRefPtr<IDirect3DSurface9> backBuff;
nsRefPtr<IDirect3DSurface9> destSurf;
device()->GetRenderTarget(0, getter_AddRefs(backBuff));
D3DSURFACE_DESC desc;
backBuff->GetDesc(&desc);
device()->CreateOffscreenPlainSurface(desc.Width, desc.Height,
D3DFMT_A8R8G8B8, D3DPOOL_SYSTEMMEM,
getter_AddRefs(destSurf), NULL);
device()->GetRenderTargetData(backBuff, destSurf);
D3DLOCKED_RECT rect;
destSurf->LockRect(&rect, NULL, D3DLOCK_READONLY);
nsRefPtr<gfxImageSurface> imageSurface =
new gfxImageSurface((unsigned char*)rect.pBits,
gfxIntSize(desc.Width, desc.Height),
rect.Pitch,
gfxASurface::ImageFormatARGB32);
mTarget->SetSource(imageSurface);
mTarget->SetOperator(gfxContext::OPERATOR_OVER);
mTarget->Paint();
destSurf->UnlockRect();
}
LayerD3D9::LayerD3D9(LayerManagerD3D9 *aManager)
: mD3DManager(aManager)
{
}
} /* namespace layers */
} /* namespace mozilla */