pixel_buffer.h

#pragma once

#include "util/string.h"
#include "gpu_resource.h"

namespace blowbox
{
    class PixelBuffer : public GpuResource
    {
    public:
        PixelBuffer();

        const UINT& GetWidth() const { return width_; }

        const UINT& GetHeight() const { return height_; }

        const DXGI_FORMAT& GetFormat() const { return format_; }

    protected:
        D3D12_RESOURCE_DESC DescribeTex2D(UINT width, UINT height, UINT depth_or_array_size, UINT num_mips, DXGI_FORMAT format, UINT flags);

        void AssociateWithResource(const WString& name, ID3D12Resource* resource, const D3D12_RESOURCE_STATES& current_resource_state);

        void CreateTextureResource(const WString& name, const D3D12_RESOURCE_DESC& resource_desc, const D3D12_CLEAR_VALUE& clear_value);

    protected:
        static DXGI_FORMAT GetBaseFormat(DXGI_FORMAT format);

        static DXGI_FORMAT GetUAVFormat(DXGI_FORMAT format);

        static DXGI_FORMAT GetDSVFormat(DXGI_FORMAT format);

        static DXGI_FORMAT GetDepthFormat(DXGI_FORMAT format);

        static DXGI_FORMAT GetStencilFormat(DXGI_FORMAT format);

    protected:
        UINT width_;            
        UINT height_;           
        UINT array_size_;       
        DXGI_FORMAT format_;    
    };
}