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// ==============================================================
// This file is part of Glest Shared Library (www.glest.org)
//
// Copyright (C) 2001-2008 Martiño Figueroa
//
// You can redistribute this code and/or modify it under
// the terms of the GNU General Public License as published
// by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version
// ==============================================================
#include "shader_manager.h"
#include <stdexcept>
#include "graphics_interface.h"
#include "graphics_factory.h"
#include "util.h"
#include "platform_util.h"
#include "leak_dumper.h"
using namespace Shared::Util;
namespace Shared{ namespace Graphics{
// =====================================================
// class ShaderManager
// =====================================================
ShaderManager::ShaderManager() {
if(GlobalStaticFlags::getIsNonGraphicalModeEnabled() == true) {
throw megaglest_runtime_error("Loading graphics in headless server mode not allowed!");
}
}
ShaderManager::~ShaderManager(){
}
void ShaderManager::init(){
for(unsigned int i=0; i<shaders.size(); ++i){
shaders[i]->init();
if(!shaders[i]->compile(logString)){
throw megaglest_runtime_error("Can't compile shader\n");
}
}
for(unsigned int i=0; i<shaderPrograms.size(); ++i){
shaderPrograms[i]->init();
if(!shaderPrograms[i]->link(logString)){
throw megaglest_runtime_error("Can't link shader\n");
}
}
}
void ShaderManager::end(){
for(unsigned int i=0; i<shaderPrograms.size(); ++i){
shaderPrograms[i]->end();
delete shaderPrograms[i];
}
shaderPrograms.clear();
for(unsigned int i=0; i<shaders.size(); ++i){
shaders[i]->end();
delete shaders[i];
}
shaders.clear();
}
ShaderProgram *ShaderManager::newShaderProgram(){
ShaderProgram *sp= GraphicsInterface::getInstance().getFactory()->newShaderProgram();
shaderPrograms.push_back(sp);
return sp;
}
VertexShader *ShaderManager::newVertexShader(){
VertexShader *vs= GraphicsInterface::getInstance().getFactory()->newVertexShader();
shaders.push_back(vs);
return vs;
}
FragmentShader *ShaderManager::newFragmentShader(){
FragmentShader *fs= GraphicsInterface::getInstance().getFactory()->newFragmentShader();
shaders.push_back(fs);
return fs;
}
}}//end namespace
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