GLShader.hpp

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//
//  CeresEngine - A game development framework
//
//  Created by Rogiel Sulzbach.
//  Copyright (c) 2018-2022 Rogiel Sulzbach. All rights reserved.
//
 
#pragma once
 
#include "OpenGL.hpp"
 
#include "CeresEngine/RenderAPI/GPUShader.hpp"
 
namespace CeresEngine {
 
    class GLShaderProgram;
    class GLCommandBuffer;
 
    class GLShader final : public GPUShader, public GLDeviceObject<GLShader, GPUShader> {
    private:
        const GPUShaderDescriptor descriptorGL;
 
        GLObjectHandle<&glCreateShader, &glDeleteShader, false> shaderID;
 
        GPUShaderDescriptor mDescriptor;
 
        GPUShaderReflectionDescriptor mReflectionDescriptor;
 
    public:
        GLShader(GLDevicePtr device, const GPUShaderDescriptor& descriptor);
        ~GLShader() final;
 
    public:
        [[nodiscard]] GLuint handle() const { return shaderID; }
    };
 
    class GLShaderProgram final : public GPUShaderProgram, public GLDeviceObject<GLShaderProgram, GPUShaderProgram> {
    private:
        const GPUShaderProgramDescriptor descriptorGL;
 
        GLObjectHandle<&glCreateProgram, &glDeleteProgram, false> programID{};
 
        GPUShaderProgramDescriptor mDescriptor;
 
        GPUShaderReflectionDescriptor mReflectionDescriptor;
 
        GLPipelineLayoutPtr mPipelineLayout = nullptr;
 
    public:
        GLShaderProgram(GLDevicePtr device, const GPUShaderProgramDescriptor& descriptor);
        ~GLShaderProgram() final;
 
    public:
        [[nodiscard]] GPUPipelineLayoutPtr getPipelineLayout() const override { return mPipelineLayout; }
 
    public:
        void activate(GLCommandBuffer& commandBuffer) const;
 
    public:
        [[nodiscard]] GLuint handle() const { return programID; }
    };
 
} // namespace CeresEngine