LCOV - app.info - gfx/layers/opengl/ColorLayerOGL.cpp

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: | 2012-04-21 | 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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