The Tor Browser: gfx/layers/d3d9/ColorLayerD3D9.cpp@6474c204b198

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

     1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-

     2  * This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 #include "ColorLayerD3D9.h"

     8 namespace mozilla {

     9 namespace layers {

    11 Layer*

    12 ColorLayerD3D9::GetLayer()

    13 {

    14   return this;

    15 }

    17 static void

    18 RenderColorLayerD3D9(ColorLayer* aLayer, LayerManagerD3D9 *aManager)

    19 {

    20   // XXX we might be able to improve performance by using

    21   // IDirect3DDevice9::Clear

    22   if (aManager->CompositingDisabled()) {

    23     return;

    24   }

    26   nsIntRect bounds = aLayer->GetBounds();

    28   aManager->device()->SetVertexShaderConstantF(

    29     CBvLayerQuad,

    30     ShaderConstantRect(bounds.x,

    31                        bounds.y,

    32                        bounds.width,

    33                        bounds.height),

    34     1);

    36   const gfx::Matrix4x4& transform = aLayer->GetEffectiveTransform();

    37   aManager->device()->SetVertexShaderConstantF(CBmLayerTransform, &transform._11, 4);

    39   gfxRGBA layerColor(aLayer->GetColor());

    40   float color[4];

    41   float opacity = aLayer->GetEffectiveOpacity() * layerColor.a;

    42   // output color is premultiplied, so we need to adjust all channels.

    43   // mColor is not premultiplied.

    44   color[0] = (float)(layerColor.r * opacity);

    45   color[1] = (float)(layerColor.g * opacity);

    46   color[2] = (float)(layerColor.b * opacity);

    47   color[3] = (float)(opacity);

    49   aManager->device()->SetPixelShaderConstantF(CBvColor, color, 1);

    51   aManager->SetShaderMode(DeviceManagerD3D9::SOLIDCOLORLAYER,

    52                           aLayer->GetMaskLayer());

    54   aManager->device()->DrawPrimitive(D3DPT_TRIANGLESTRIP, 0, 2);

    55 }

    57 void

    58 ColorLayerD3D9::RenderLayer()

    59 {

    60   return RenderColorLayerD3D9(this, mD3DManager);

    61 }

    63 } /* layers */

    64 } /* mozilla */

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