LCOV - code coverage report
Current view: directory - gfx/layers/opengl - ColorLayerOGL.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 23 0 0.0 %
Date: 2012-06-02 Functions: 3 0 0.0 %

       1                 : /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2                 : /* ***** BEGIN LICENSE BLOCK *****
       3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       4                 :  *
       5                 :  * The contents of this file are subject to the Mozilla Public License Version
       6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       7                 :  * the License. You may obtain a copy of the License at
       8                 :  * http://www.mozilla.org/MPL/
       9                 :  *
      10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12                 :  * for the specific language governing rights and limitations under the
      13                 :  * License.
      14                 :  *
      15                 :  * The Original Code is Mozilla Corporation code.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is Mozilla Foundation.
      18                 :  * Portions created by the Initial Developer are Copyright (C) 2009
      19                 :  * the Initial Developer. All Rights Reserved.
      20                 :  *
      21                 :  * Contributor(s):
      22                 :  *   Robert O'Callahan <robert@ocallahan.org>
      23                 :  *   Vladimir Vukicevic <vladimir@pobox.com>
      24                 :  *
      25                 :  * Alternatively, the contents of this file may be used under the terms of
      26                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      27                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      28                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      29                 :  * of those above. If you wish to allow use of your version of this file only
      30                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      31                 :  * use your version of this file under the terms of the MPL, indicate your
      32                 :  * decision by deleting the provisions above and replace them with the notice
      33                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      34                 :  * the provisions above, a recipient may use your version of this file under
      35                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      36                 :  *
      37                 :  * ***** END LICENSE BLOCK ***** */
      38                 : 
      39                 : #include "ColorLayerOGL.h"
      40                 : 
      41                 : namespace mozilla {
      42                 : namespace layers {
      43                 : 
      44                 : static void
      45               0 : RenderColorLayer(ColorLayer* aLayer, LayerManagerOGL *aManager,
      46                 :                  const nsIntPoint& aOffset)
      47                 : {
      48               0 :   aManager->MakeCurrent();
      49                 : 
      50                 :   // XXX we might be able to improve performance by using glClear
      51                 : 
      52               0 :   nsIntRect visibleRect = aLayer->GetEffectiveVisibleRegion().GetBounds();
      53                 : 
      54                 :   /* Multiply color by the layer opacity, as the shader
      55                 :    * ignores layer opacity and expects a final color to
      56                 :    * write to the color buffer.  This saves a needless
      57                 :    * multiply in the fragment shader.
      58                 :    */
      59               0 :   gfxRGBA color(aLayer->GetColor());
      60               0 :   float opacity = aLayer->GetEffectiveOpacity() * color.a;
      61               0 :   color.r *= opacity;
      62               0 :   color.g *= opacity;
      63               0 :   color.b *= opacity;
      64               0 :   color.a = opacity;
      65                 : 
      66               0 :   SolidColorLayerProgram *program = aManager->GetColorLayerProgram();
      67               0 :   program->Activate();
      68               0 :   program->SetLayerQuadRect(visibleRect);
      69               0 :   program->SetLayerTransform(aLayer->GetEffectiveTransform());
      70               0 :   program->SetRenderOffset(aOffset);
      71               0 :   program->SetRenderColor(color);
      72                 : 
      73               0 :   aManager->BindAndDrawQuad(program);
      74               0 : }
      75                 : 
      76                 : void
      77               0 : ColorLayerOGL::RenderLayer(int,
      78                 :                            const nsIntPoint& aOffset)
      79                 : {
      80               0 :   RenderColorLayer(this, mOGLManager, aOffset);
      81               0 : }
      82                 : 
      83                 : void
      84               0 : ShadowColorLayerOGL::RenderLayer(int,
      85                 :                                  const nsIntPoint& aOffset)
      86                 : {
      87               0 :   RenderColorLayer(this, mOGLManager, aOffset);
      88               0 : }
      89                 : 
      90                 : 
      91                 : } /* layers */
      92                 : } /* mozilla */

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