[5] | 1 | |
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| 2 | /* |
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| 3 | ----------------------------------------------------------------------------- |
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| 4 | This source file is part of OGRE |
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| 5 | (Object-oriented Graphics Rendering Engine) |
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| 6 | For the latest info, see http://www.ogre3d.org/ |
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| 7 | |
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| 8 | Copyright (c) 2000-2006 Torus Knot Software Ltd |
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| 9 | Also see acknowledgements in Readme.html |
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| 10 | |
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| 11 | This program is free software you can redistribute it and/or modify it under |
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| 12 | the terms of the GNU Lesser General Public License as published by the Free Software |
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| 13 | Foundation either version 2 of the License, or (at your option) any later |
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| 14 | version. |
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| 15 | |
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| 16 | This program is distributed in the hope that it will be useful, but WITHOUT |
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| 17 | ANY WARRANTY without even the implied warranty of MERCHANTABILITY or FITNESS |
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| 18 | FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. |
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| 19 | |
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| 20 | You should have received a copy of the GNU Lesser General Public License along with |
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| 21 | this program if not, write to the Free Software Foundation, Inc., 59 Temple |
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| 22 | Place - Suite 330, Boston, MA 02111-1307, USA, or go to |
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| 23 | http://www.gnu.org/copyleft/lesser.txt. |
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| 24 | |
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| 25 | You may alternatively use this source under the terms of a specific version of |
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| 26 | the OGRE Unrestricted License provided you have obtained such a license from |
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| 27 | Torus Knot Software Ltd. |
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| 28 | ----------------------------------------------------------------------------- |
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| 29 | */ |
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| 30 | #include "OgreStableHeaders.h" |
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| 31 | #include "OgreGpuProgramUsage.h" |
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| 32 | #include "OgreGpuProgramManager.h" |
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| 33 | #include "OgreException.h" |
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| 34 | |
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| 35 | namespace Ogre |
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| 36 | { |
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| 37 | //----------------------------------------------------------------------------- |
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| 38 | GpuProgramUsage::GpuProgramUsage(GpuProgramType gptype) : |
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| 39 | mType(gptype), mProgram() |
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| 40 | { |
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| 41 | } |
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| 42 | //----------------------------------------------------------------------------- |
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| 43 | GpuProgramUsage::GpuProgramUsage(const GpuProgramUsage& oth) |
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| 44 | : mType(oth.mType) |
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| 45 | , mProgram(oth.mProgram) |
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| 46 | // nfz: parameters should be copied not just use a shared ptr to the original |
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| 47 | , mParameters(new GpuProgramParameters(*oth.mParameters)) |
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| 48 | { |
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| 49 | } |
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| 50 | //----------------------------------------------------------------------------- |
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| 51 | void GpuProgramUsage::setProgramName(const String& name, bool resetParams) |
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| 52 | { |
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| 53 | mProgram = GpuProgramManager::getSingleton().getByName(name); |
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| 54 | |
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| 55 | if (mProgram.isNull()) |
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| 56 | { |
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| 57 | String progType = (mType == GPT_VERTEX_PROGRAM ? "vertex" : "fragment"); |
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| 58 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, |
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| 59 | "Unable to locate " + progType + " program called " + name + ".", |
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| 60 | "GpuProgramUsage::setProgramName"); |
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| 61 | } |
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| 62 | // Reset parameters |
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| 63 | if (resetParams || mParameters.isNull()) |
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| 64 | mParameters = mProgram->createParameters(); |
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| 65 | |
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| 66 | } |
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| 67 | //----------------------------------------------------------------------------- |
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| 68 | void GpuProgramUsage::setParameters(GpuProgramParametersSharedPtr params) |
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| 69 | { |
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| 70 | mParameters = params; |
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| 71 | } |
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| 72 | //----------------------------------------------------------------------------- |
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| 73 | GpuProgramParametersSharedPtr GpuProgramUsage::getParameters(void) |
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| 74 | { |
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| 75 | if (mParameters.isNull()) |
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| 76 | { |
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| 77 | OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS, "You must specify a program before " |
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| 78 | "you can retrieve parameters.", "GpuProgramUsage::getParameters"); |
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| 79 | } |
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| 80 | |
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| 81 | return mParameters; |
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| 82 | } |
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| 83 | //----------------------------------------------------------------------------- |
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| 84 | void GpuProgramUsage::setProgram(GpuProgramPtr& prog) |
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| 85 | { |
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| 86 | mProgram = prog; |
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| 87 | // Reset parameters |
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| 88 | mParameters = mProgram->createParameters(); |
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| 89 | } |
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| 90 | //----------------------------------------------------------------------------- |
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| 91 | void GpuProgramUsage::_load(void) |
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| 92 | { |
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| 93 | if (!mProgram->isLoaded()) |
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| 94 | mProgram->load(); |
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| 95 | } |
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| 96 | //----------------------------------------------------------------------------- |
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| 97 | void GpuProgramUsage::_unload(void) |
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| 98 | { |
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| 99 | // TODO? |
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| 100 | } |
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| 101 | |
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| 102 | } |
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