axmol/core/renderer/backend/ShaderModule.h

/****************************************************************************
 Copyright (c) 2018-2019 Xiamen Yaji Software Co., Ltd.

 https://axys1.github.io/

 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
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 all copies or substantial portions of the Software.

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 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 THE SOFTWARE.
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#pragma once

#include "Macros.h"
#include "Types.h"
#include "base/CCRef.h"

#include <string>

NS_AX_BACKEND_BEGIN
/**
 * @addtogroup _backend
 * @{
 */

enum Uniform : uint32_t
{
    MVP_MATRIX,
    TEXTURE,
    TEXTURE1,
    TEXTURE2,
    TEXTURE3,
    TEXT_COLOR,
    EFFECT_TYPE,
    EFFECT_COLOR,
    UNIFORM_MAX  // Maximum uniforms
};

enum Attribute : uint32_t
{
    POSITION,
    COLOR,
    TEXCOORD,
    TEXCOORD1,
    TEXCOORD2,
    TEXCOORD3,
    ATTRIBUTE_MAX  // Maximum attributes
};
/**
 * Create shader.
 */
class AX_DLL ShaderModule : public ax::Ref
{
public:
    /**
     * Get shader stage. The symbolic constant can be either VERTEX or FRAGMENT.
     * @return Shader stage.
     */
    ShaderStage getShaderStage() const;

    std::size_t getHashValue() const { return _hash; }

protected:
    ShaderModule(ShaderStage stage);
    virtual ~ShaderModule();
    void setHashValue(std::size_t hash) { _hash = hash; }

    friend class ShaderCache;
    ShaderStage _stage = ShaderStage::VERTEX;
    std::size_t _hash  = 0;
};

// end of _backend group
/// @}
NS_AX_BACKEND_END