зеркало из https://github.com/mozilla/gecko-dev.git
65 строки
1.8 KiB
C++
65 строки
1.8 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "ColorLayerD3D9.h"
|
|
|
|
namespace mozilla {
|
|
namespace layers {
|
|
|
|
Layer*
|
|
ColorLayerD3D9::GetLayer()
|
|
{
|
|
return this;
|
|
}
|
|
|
|
static void
|
|
RenderColorLayerD3D9(ColorLayer* aLayer, LayerManagerD3D9 *aManager)
|
|
{
|
|
// XXX we might be able to improve performance by using
|
|
// IDirect3DDevice9::Clear
|
|
if (aManager->CompositingDisabled()) {
|
|
return;
|
|
}
|
|
|
|
nsIntRect bounds = aLayer->GetBounds();
|
|
|
|
aManager->device()->SetVertexShaderConstantF(
|
|
CBvLayerQuad,
|
|
ShaderConstantRect(bounds.x,
|
|
bounds.y,
|
|
bounds.width,
|
|
bounds.height),
|
|
1);
|
|
|
|
const gfx3DMatrix& transform = aLayer->GetEffectiveTransform();
|
|
aManager->device()->SetVertexShaderConstantF(CBmLayerTransform, &transform._11, 4);
|
|
|
|
gfxRGBA layerColor(aLayer->GetColor());
|
|
float color[4];
|
|
float opacity = aLayer->GetEffectiveOpacity() * layerColor.a;
|
|
// output color is premultiplied, so we need to adjust all channels.
|
|
// mColor is not premultiplied.
|
|
color[0] = (float)(layerColor.r * opacity);
|
|
color[1] = (float)(layerColor.g * opacity);
|
|
color[2] = (float)(layerColor.b * opacity);
|
|
color[3] = (float)(opacity);
|
|
|
|
aManager->device()->SetPixelShaderConstantF(CBvColor, color, 1);
|
|
|
|
aManager->SetShaderMode(DeviceManagerD3D9::SOLIDCOLORLAYER,
|
|
aLayer->GetMaskLayer());
|
|
|
|
aManager->device()->DrawPrimitive(D3DPT_TRIANGLESTRIP, 0, 2);
|
|
}
|
|
|
|
void
|
|
ColorLayerD3D9::RenderLayer()
|
|
{
|
|
return RenderColorLayerD3D9(this, mD3DManager);
|
|
}
|
|
|
|
} /* layers */
|
|
} /* mozilla */
|