// Copyright 2008 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.

#pragma once

#include "VideoBackends/D3D/D3DTexture.h"
#include "VideoCommon/TextureCacheBase.h"

namespace DX11
{

class TextureCache : public TextureCacheBase
{
public:
	TextureCache();
	~TextureCache();

private:
	struct TCacheEntry : TCacheEntryBase
	{
		D3DTexture2D *const texture;

		D3D11_USAGE usage;

		TCacheEntry(const TCacheEntryConfig& config, D3DTexture2D *_tex) : TCacheEntryBase(config), texture(_tex) {}
		~TCacheEntry();

		void CopyRectangleFromTexture(
			const TCacheEntryBase* source,
			const MathUtil::Rectangle<int> &srcrect,
			const MathUtil::Rectangle<int> &dstrect) override;

		void Load(unsigned int width, unsigned int height,
			unsigned int expanded_width, unsigned int levels) override;

		void FromRenderTarget(u8* dst, unsigned int dstFormat, u32 dstStride,
			PEControl::PixelFormat srcFormat, const EFBRectangle& srcRect,
			bool isIntensity, bool scaleByHalf, unsigned int cbufid,
			const float *colmat) override;

		void Bind(unsigned int stage) override;
		bool Save(const std::string& filename, unsigned int level) override;
	};

	TCacheEntryBase* CreateTexture(const TCacheEntryConfig& config) override;

	u64 EncodeToRamFromTexture(u32 address, void* source_texture, u32 SourceW, u32 SourceH, bool bFromZBuffer, bool bIsIntensityFmt, u32 copyfmt, int bScaleByHalf, const EFBRectangle& source) {return 0;};

	void ConvertTexture(TCacheEntryBase* entry, TCacheEntryBase* unconverted, void* palette, TlutFormat format) override;

	void CopyEFB(u8* dst, u32 format, u32 native_width, u32 bytes_per_row, u32 num_blocks_y, u32 memory_stride,
		PEControl::PixelFormat srcFormat, const EFBRectangle& srcRect,
		bool isIntensity, bool scaleByHalf) override;

	void CompileShaders() override { }
	void DeleteShaders() override { }

	ID3D11Buffer* palette_buf;
	ID3D11ShaderResourceView* palette_buf_srv;
	ID3D11Buffer* palette_uniform;
	ID3D11PixelShader* palette_pixel_shader[3];
};

}