Coverage Report

Created: 2025-07-18 07:04

/src/ogre/OgreMain/src/OgreShadowVolumeExtrudeProgram.cpp
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/*
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-----------------------------------------------------------------------------
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This source file is part of OGRE
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(Object-oriented Graphics Rendering Engine)
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For the latest info, see http://www.ogre3d.org/
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Copyright (c) 2000-2014 Torus Knot Software Ltd
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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-----------------------------------------------------------------------------
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*/
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#include "OgreStableHeaders.h"
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#include "OgreShadowVolumeExtrudeProgram.h"
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#include "OgreHighLevelGpuProgramManager.h"
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#include "OgreHighLevelGpuProgram.h"
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namespace {
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    enum Programs
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    {
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        // Point light extruder, infinite distance
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        POINT_LIGHT = 0,
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        // Directional light extruder, infinite distance
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        DIRECTIONAL_LIGHT,
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        // Point light extruder, finite distance
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        POINT_LIGHT_FINITE,
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        // Directional light extruder, finite distance
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        DIRECTIONAL_LIGHT_FINITE,
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        NUM_SHADOW_EXTRUDER_PROGRAMS
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    };
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    const char* programNames[NUM_SHADOW_EXTRUDER_PROGRAMS] =
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    {
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        "Ogre/ShadowExtrudePointLight",
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        "Ogre/ShadowExtrudeDirLight",
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        "Ogre/ShadowExtrudePointLightFinite",
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        "Ogre/ShadowExtrudeDirLightFinite"
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    };
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}
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namespace Ogre {
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    std::vector<GpuProgramPtr> ShadowVolumeExtrudeProgram::mPrograms;
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    void ShadowVolumeExtrudeProgram::initialise(void)
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    {
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    mPrograms.clear();
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        // load all programs
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        for (auto name : programNames)
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        {
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            auto vp = HighLevelGpuProgramManager::getSingleton().getByName(name, RGN_INTERNAL);
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            if (!vp)
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                OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
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                            String(name) + " not found. Verify that you referenced the 'Media/Main' "
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                                           "folder in your resources.cfg");
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            vp->load();
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            mPrograms.push_back(vp);
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        }
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    }
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    //---------------------------------------------------------------------
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    void ShadowVolumeExtrudeProgram::shutdown(void)
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    {
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        mPrograms.clear();
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    }
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    //---------------------------------------------------------------------
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    const GpuProgramPtr& ShadowVolumeExtrudeProgram::get(Light::LightTypes lightType, bool finite)
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    {
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        if (lightType == Light::LT_DIRECTIONAL)
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        {
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            return mPrograms[finite ? DIRECTIONAL_LIGHT_FINITE : DIRECTIONAL_LIGHT];
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        }
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        else
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        {
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            return mPrograms[finite ? POINT_LIGHT_FINITE : POINT_LIGHT];
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        }
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    }
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}