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kraken/kraken/KRShaderManager.h

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C++

//
// ShaderManager.h
// Kraken Engine
//
// Copyright 2022 Kearwood Gilbert. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other materials
// provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY KEARWOOD GILBERT ''AS IS'' AND ANY EXPRESS OR IMPLIED
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
// FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KEARWOOD GILBERT OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// The views and conclusions contained in the software and documentation are those of the
// authors and should not be interpreted as representing official policies, either expressed
// or implied, of Kearwood Gilbert.
//
#pragma once
#include "KREngine-common.h"
#include "KRResourceManager.h"
#include "KRShader.h"
#include "KRContextObject.h"
#include "block.h"
class KRUnknown;
class KRShaderManager : public KRResourceManager
{
public:
KRShaderManager(KRContext& context);
virtual ~KRShaderManager();
virtual KRResource* loadResource(const std::string& name, const std::string& extension, mimir::Block* data) override;
virtual KRResource* getResource(const std::string& name, const std::string& extension) override;
void add(KRShader* shader);
KRShader* load(const std::string& name, const std::string& extension, mimir::Block* data);
KRShader* get(const std::string& name, const std::string& extension);
bool compileAll(KRBundle* outputBundle, KRUnknown* logResource);
const unordered_map<std::string, KRShader*>& get(const std::string& extension);
unordered_map<std::string, unordered_map<std::string, KRShader*> >& getShaders();
class Includer : public glslang::TShader::Includer
{
public:
Includer() = delete;
Includer(KRContext* context);
IncludeResult* includeSystem(const char* headerName,
const char* includerName,
size_t inclusionDepth) override;
IncludeResult* includeLocal(const char* headerName,
const char* includerName,
size_t inclusionDepth) override;
void releaseInclude(IncludeResult* includeResult) override;
private:
KRContext* m_context;
};
private:
unordered_map<std::string, unordered_map<std::string, KRShader*> > m_shaders;
bool m_initializedGlslang;
Includer m_includer;
};