Line data    Source code

       1             : /* Copyright (C) 2022 Wildfire Games.
       2             :  * This file is part of 0 A.D.
       3             :  *
       4             :  * 0 A.D. is free software: you can redistribute it and/or modify
       5             :  * it under the terms of the GNU General Public License as published by
       6             :  * the Free Software Foundation, either version 2 of the License, or
       7             :  * (at your option) any later version.
       8             :  *
       9             :  * 0 A.D. is distributed in the hope that it will be useful,
      10             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      11             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      12             :  * GNU General Public License for more details.
      13             :  *
      14             :  * You should have received a copy of the GNU General Public License
      15             :  * along with 0 A.D.  If not, see <http://www.gnu.org/licenses/>.
      16             :  */
      17             : 
      18             : #ifndef INCLUDED_SHADERPROGRAM
      19             : #define INCLUDED_SHADERPROGRAM
      20             : 
      21             : #include "graphics/ShaderDefines.h"
      22             : #include "graphics/ShaderProgramPtr.h"
      23             : #include "lib/file/vfs/vfs_path.h"
      24             : #include "ps/CStr.h"
      25             : #include "renderer/backend/IShaderProgram.h"
      26             : 
      27             : #include <vector>
      28             : 
      29             : /**
      30             :  * A wrapper for backend shader program to handle high-level operations like
      31             :  * file reloading and handling errors on reload.
      32             :  */
      33           0 : class CShaderProgram
      34             : {
      35             :     NONCOPYABLE(CShaderProgram);
      36             : 
      37             : public:
      38             :     static CShaderProgramPtr Create(const CStr& name, const CShaderDefines& defines);
      39             : 
      40             :     void Reload();
      41             : 
      42             :     std::vector<VfsPath> GetFileDependencies() const;
      43             : 
      44           0 :     Renderer::Backend::IShaderProgram* GetBackendShaderProgram() { return m_BackendShaderProgram.get(); }
      45             : 
      46             :     // TODO: add reloadable handles.
      47             : 
      48             : protected:
      49             :     CShaderProgram(const CStr& name, const CShaderDefines& defines);
      50             : 
      51             :     CStr m_Name;
      52             :     CShaderDefines m_Defines;
      53             :     std::unique_ptr<Renderer::Backend::IShaderProgram> m_BackendShaderProgram;
      54             : };
      55             : 
      56             : #endif // INCLUDED_SHADERPROGRAM