shaderconstantdeclaration.h

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
#pragma once
 
// External Includes
#include <vulkan/vulkan_core.h>
#include <string>
#include <map>
#include <utility/dllexport.h>
#include <rtti/typeinfo.h>
#include <nap/numeric.h>
 
 
namespace nap
{
    using ShaderConstantID = uint;                                                      // Shader constant ID within a specific shader stage
    using ShaderConstantMap = std::map<ShaderConstantID, uint>;                         // Maps constant ID to a constant value
    using ShaderStageConstantMap = std::map<VkShaderStageFlagBits, ShaderConstantMap>;  // Maps shader stage to a constant map
 
    class NAPAPI ShaderConstantDeclaration final
    {
        RTTI_ENABLE()
    public:
        ShaderConstantDeclaration(const std::string& name, uint value, ShaderConstantID id, VkShaderStageFlagBits stage) :
            mName(name), mValue(value), mConstantID(id), mStage(stage) {}
 
        std::string mName;
        uint mValue;
        ShaderConstantID mConstantID;
        VkShaderStageFlagBits mStage;
    };
 
    using ShaderConstantDeclarations = std::vector<ShaderConstantDeclaration>;
}