# OgreShaderProgram.h

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    00001 /*
    00002 -----------------------------------------------------------------------------
    00003 This source file is part of OGRE
    00004 (Object-oriented Graphics Rendering Engine)
    00005 For the latest info, see http://www.ogre3d.org
    00006
    00007 Copyright (c) 2000-2009 Torus Knot Software Ltd
    00008 Permission is hereby granted, free of charge, to any person obtaining a copy
    00009 of this software and associated documentation files (the "Software"), to deal
    00010 in the Software without restriction, including without limitation the rights
    00011 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    00012 copies of the Software, and to permit persons to whom the Software is
    00013 furnished to do so, subject to the following conditions:
    00014
    00015 The above copyright notice and this permission notice shall be included in
    00016 all copies or substantial portions of the Software.
    00017
    00018 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    00019 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    00020 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    00021 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    00022 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    00023 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    00024 THE SOFTWARE.
    00025 -----------------------------------------------------------------------------
    00026 */
    00027 #ifndef _ShaderProgram_
    00028 #define _ShaderProgram_
    00029
    00030 #include "OgreShaderPrerequisites.h"
    00031 #include "OgreGpuProgram.h"
    00032 #include "OgreSingleton.h"
    00033 #include "OgreShaderParameter.h"
    00034 #include "OgreShaderFunction.h"
    00035 #include "OgreShaderFunctionAtom.h"
    00036 #include "OgreStringVector.h"
    00037
    00038 namespace Ogre {
    00039 namespace RTShader {
    00040
    00050 class _OgreRTSSExport Program : public RTShaderSystemAlloc
    00051 {
    00052
    00053 // Interface.
    00054 public:
    00056     GpuProgramType              getType                     () const;
    00057
    00063     UniformParameterPtr     resolveAutoParameterReal    (GpuProgramParameters::AutoConstantType autoType, Real data);
    00064
    00070     UniformParameterPtr     resolveAutoParameterInt     (GpuProgramParameters::AutoConstantType autoType, size_t data);
    00071
    00080     UniformParameterPtr     resolveParameter            (GpuConstantType type, int index, uint16 variability, const String& suggestedName);
    00081
    00086     UniformParameterPtr     getParameterByName          (const String& name);
    00087
    00092     UniformParameterPtr     getParameterByAutoType      (GpuProgramParameters::AutoConstantType autoType);
    00093
    00099     UniformParameterPtr     getParameterByType          (GpuConstantType type, int index);
    00100
    00103     const UniformParameterList& getParameters       () const { return mParameters; };
    00104
    00109     Function*                   createFunction              (const String& name, const String& desc, const Function::FunctionType functionType);
    00110
    00114     Function*                   getFunctionByName           (const String& name);
    00115
    00118     const ShaderFunctionList&   getFunctions                () const { return mFunctions; };
    00119
    00123     void                        setEntryPointFunction       (Function* function) { mEntryPointFunction = function; }
    00124
    00126     Function*                   getEntryPointFunction       ()                   { return mEntryPointFunction; }
    00127
    00133     void                        addDependency               (const String& libFileName);
    00134
    00136     size_t                      getDependencyCount          () const;
    00137
    00141     const String&               getDependency               (unsigned int index) const;
    00142
    00143
    00144 // Protected methods.
    00145 protected:
    00146
    00150     Program         (GpuProgramType type);
    00151
    00153     ~Program        ();
    00154
    00156     void                        destroyParameters   ();
    00157
    00159     void                        destroyFunctions    ();
    00160
    00162     void                        addParameter                (UniformParameterPtr parameter);
    00163
    00165     void                        removeParameter             (UniformParameterPtr parameter);
    00166
    00167
    00168 // Attributes.
    00169 protected:
    00170     GpuProgramType                  mType;                      // Program type. (Vertex, Fragment, Geometry).
    00171     UniformParameterList            mParameters;                // Program uniform parameters.
    00172     ShaderFunctionList              mFunctions;                 // Function list.
    00173     Function*                       mEntryPointFunction;        // Entry point function for this program.
    00174     StringVector                    mDependencies;              // Program dependencies.
    00175
    00176 private:
    00177     friend class ProgramManager;
    00178 };
    00179
    00183 }
    00184 }
    00185
    00186 #endif
    00187

Copyright © 2008 Torus Knot Software Ltd
This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
Last modified Sun May 8 2011 20:28:09