forked from dolphin-emu/dolphin
		
	git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@7265 8ced0084-cf51-0410-be5f-012b33b47a6e
		
			
				
	
	
		
			93 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			93 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
// Copyright (C) 2003 Dolphin Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official SVN repository and contact information can be found at
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// http://code.google.com/p/dolphin-emu/
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#include "FileUtil.h"
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#include "VideoCommon.h"
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#include "VideoConfig.h"
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#include "GLUtil.h"
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#include "PostProcessing.h"
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#include "PixelShaderCache.h"
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namespace OGL
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{
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namespace PostProcessing
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{
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static std::string s_currentShader;
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static FRAGMENTSHADER s_shader;
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void Init()
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{
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	s_currentShader = "";
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}
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void Shutdown()
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{
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	s_shader.Destroy();
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}
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void ReloadShader()
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{
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	s_currentShader = "";
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}
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bool ApplyShader()
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{
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	if (s_currentShader != File::GetUserPath(D_SHADERS_IDX) + g_ActiveConfig.sPostProcessingShader + ".txt")
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	{
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		// Set immediately to prevent endless recompiles on failure.
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		if (!g_ActiveConfig.sPostProcessingShader.empty())
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			s_currentShader = File::GetUserPath(D_SHADERS_IDX) + g_ActiveConfig.sPostProcessingShader + ".txt";
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		else
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			s_currentShader.clear();
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		s_shader.Destroy();
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		if (!s_currentShader.empty())
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		{
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			std::string code;
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			if (File::ReadFileToString(true, s_currentShader.c_str(), code))
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			{
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				if (!PixelShaderCache::CompilePixelShader(s_shader, code.c_str()))
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				{
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					ERROR_LOG(VIDEO, "Failed to compile post-processing shader %s", s_currentShader.c_str());
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				}
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			}
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			else 
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			{
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				ERROR_LOG(VIDEO, "Failed to load post-processing shader %s - does not exist?", s_currentShader.c_str());
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			}
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		}
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	}
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	if (s_shader.glprogid != 0)
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	{
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		PixelShaderCache::SetCurrentShader(s_shader.glprogid);		
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		return true;
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	}
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	else
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	{
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		PixelShaderCache::DisableShader();
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		return false;
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	}
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}
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}  // namespace
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}  // namespace OGL
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