1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/layers/d3d9/ColorLayerD3D9.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,64 @@
1.4 +/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
1.5 + * This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#include "ColorLayerD3D9.h"
1.10 +
1.11 +namespace mozilla {
1.12 +namespace layers {
1.13 +
1.14 +Layer*
1.15 +ColorLayerD3D9::GetLayer()
1.16 +{
1.17 + return this;
1.18 +}
1.19 +
1.20 +static void
1.21 +RenderColorLayerD3D9(ColorLayer* aLayer, LayerManagerD3D9 *aManager)
1.22 +{
1.23 + // XXX we might be able to improve performance by using
1.24 + // IDirect3DDevice9::Clear
1.25 + if (aManager->CompositingDisabled()) {
1.26 + return;
1.27 + }
1.28 +
1.29 + nsIntRect bounds = aLayer->GetBounds();
1.30 +
1.31 + aManager->device()->SetVertexShaderConstantF(
1.32 + CBvLayerQuad,
1.33 + ShaderConstantRect(bounds.x,
1.34 + bounds.y,
1.35 + bounds.width,
1.36 + bounds.height),
1.37 + 1);
1.38 +
1.39 + const gfx::Matrix4x4& transform = aLayer->GetEffectiveTransform();
1.40 + aManager->device()->SetVertexShaderConstantF(CBmLayerTransform, &transform._11, 4);
1.41 +
1.42 + gfxRGBA layerColor(aLayer->GetColor());
1.43 + float color[4];
1.44 + float opacity = aLayer->GetEffectiveOpacity() * layerColor.a;
1.45 + // output color is premultiplied, so we need to adjust all channels.
1.46 + // mColor is not premultiplied.
1.47 + color[0] = (float)(layerColor.r * opacity);
1.48 + color[1] = (float)(layerColor.g * opacity);
1.49 + color[2] = (float)(layerColor.b * opacity);
1.50 + color[3] = (float)(opacity);
1.51 +
1.52 + aManager->device()->SetPixelShaderConstantF(CBvColor, color, 1);
1.53 +
1.54 + aManager->SetShaderMode(DeviceManagerD3D9::SOLIDCOLORLAYER,
1.55 + aLayer->GetMaskLayer());
1.56 +
1.57 + aManager->device()->DrawPrimitive(D3DPT_TRIANGLESTRIP, 0, 2);
1.58 +}
1.59 +
1.60 +void
1.61 +ColorLayerD3D9::RenderLayer()
1.62 +{
1.63 + return RenderColorLayerD3D9(this, mD3DManager);
1.64 +}
1.65 +
1.66 +} /* layers */
1.67 +} /* mozilla */
