gfx/layers/d3d9/ColorLayerD3D9.cpp

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
michael@0 2 * This Source Code Form is subject to the terms of the Mozilla Public
michael@0 3 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 5
michael@0 6 #include "ColorLayerD3D9.h"
michael@0 7
michael@0 8 namespace mozilla {
michael@0 9 namespace layers {
michael@0 10
michael@0 11 Layer*
michael@0 12 ColorLayerD3D9::GetLayer()
michael@0 13 {
michael@0 14 return this;
michael@0 15 }
michael@0 16
michael@0 17 static void
michael@0 18 RenderColorLayerD3D9(ColorLayer* aLayer, LayerManagerD3D9 *aManager)
michael@0 19 {
michael@0 20 // XXX we might be able to improve performance by using
michael@0 21 // IDirect3DDevice9::Clear
michael@0 22 if (aManager->CompositingDisabled()) {
michael@0 23 return;
michael@0 24 }
michael@0 25
michael@0 26 nsIntRect bounds = aLayer->GetBounds();
michael@0 27
michael@0 28 aManager->device()->SetVertexShaderConstantF(
michael@0 29 CBvLayerQuad,
michael@0 30 ShaderConstantRect(bounds.x,
michael@0 31 bounds.y,
michael@0 32 bounds.width,
michael@0 33 bounds.height),
michael@0 34 1);
michael@0 35
michael@0 36 const gfx::Matrix4x4& transform = aLayer->GetEffectiveTransform();
michael@0 37 aManager->device()->SetVertexShaderConstantF(CBmLayerTransform, &transform._11, 4);
michael@0 38
michael@0 39 gfxRGBA layerColor(aLayer->GetColor());
michael@0 40 float color[4];
michael@0 41 float opacity = aLayer->GetEffectiveOpacity() * layerColor.a;
michael@0 42 // output color is premultiplied, so we need to adjust all channels.
michael@0 43 // mColor is not premultiplied.
michael@0 44 color[0] = (float)(layerColor.r * opacity);
michael@0 45 color[1] = (float)(layerColor.g * opacity);
michael@0 46 color[2] = (float)(layerColor.b * opacity);
michael@0 47 color[3] = (float)(opacity);
michael@0 48
michael@0 49 aManager->device()->SetPixelShaderConstantF(CBvColor, color, 1);
michael@0 50
michael@0 51 aManager->SetShaderMode(DeviceManagerD3D9::SOLIDCOLORLAYER,
michael@0 52 aLayer->GetMaskLayer());
michael@0 53
michael@0 54 aManager->device()->DrawPrimitive(D3DPT_TRIANGLESTRIP, 0, 2);
michael@0 55 }
michael@0 56
michael@0 57 void
michael@0 58 ColorLayerD3D9::RenderLayer()
michael@0 59 {
michael@0 60 return RenderColorLayerD3D9(this, mD3DManager);
michael@0 61 }
michael@0 62
michael@0 63 } /* layers */
michael@0 64 } /* mozilla */

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