RenderPass.hpp

#pragma once
 
#include "Formats.hpp"
#include <stdint.h>
 
namespace Grindstone::GraphicsAPI {
    typedef union ClearColor {
        float       float32[4];
        int32_t     int32[4];
        uint32_t    uint32[4];
    } ClearColorValue;
 
    // Clear values for the DepthStencilBuffer.
    struct ClearDepthStencil {
        bool hasDepthStencilAttachment = false;
        float       depth = 0.f;
        uint32_t    stencil = 0;
    };
 
    class RenderPass {
    public:
        struct AttachmentInfo {
            ColorFormat colorFormat = ColorFormat::Invalid;
            bool shouldClear = false;
        };
 
        struct CreateInfo {
            const char* debugName = nullptr;
            AttachmentInfo* colorAttachments = nullptr;
            uint32_t colorAttachmentCount = 0;
            DepthFormat depthFormat = DepthFormat::None;
            bool shouldClearDepthOnLoad = true;
            float debugColor[4];
        };
 
        virtual const char* GetDebugName() const = 0;
        virtual const float* GetDebugColor() const = 0;
        virtual ~RenderPass() {};
    };
}