#pragma once
#include "GCM.h"

namespace rsx
{
	/**
	* Use an extra cubemap format
	*/
	enum class texture_dimension_extended : u8
	{
		texture_dimension_1d = 0,
		texture_dimension_2d = 1,
		texture_dimension_cubemap = 2,
		texture_dimension_3d = 3,
	};

	class texture
	{
	protected:
		u8 m_index;
		std::array<u32, 0x10000 / 4> &registers;

	public:
		texture(u8 idx, std::array<u32, 0x10000 / 4> &r);
		texture() = delete;

		//initialize texture registers with default values
		void init(u8 index);

		// Offset
		u32 offset() const;

		// Format
		u8   location() const;
		bool cubemap() const;
		u8   border_type() const;
		rsx::texture_dimension   dimension() const;
		/**
		 * 2d texture can be either plane or cubemap texture depending on cubemap bit.
		 * Since cubemap is a format per se in all gfx API this function directly returns
		 * cubemap as a separate dimension.
		 */
		rsx::texture_dimension_extended get_extended_texture_dimension() const;
		u8   format() const;
		bool is_compressed_format() const;
		u16  mipmap() const;
		/**
		 * mipmap() returns value from register which can be higher than the actual number of mipmap level.
		 * This function clamp the result with the mipmap count allowed by texture size.
		 */
		u16 get_exact_mipmap_count() const;

		// Address
		rsx::texture_wrap_mode wrap_s() const;
		rsx::texture_wrap_mode wrap_t() const;
		rsx::texture_wrap_mode wrap_r() const;
		u8 unsigned_remap() const;
		u8 zfunc() const;
		u8 gamma() const;
		u8 aniso_bias() const;
		u8 signed_remap() const;

		// Control0
		bool enabled() const;
		u16  min_lod() const;
		u16  max_lod() const;
		rsx::texture_max_anisotropy   max_aniso() const;
		bool alpha_kill_enabled() const;

		// Control1
		u32 remap() const;

		// Filter
		float bias() const;
		rsx::texture_minify_filter  min_filter() const;
		rsx::texture_magnify_filter  mag_filter() const;
		u8  convolution_filter() const;
		bool a_signed() const;
		bool r_signed() const;
		bool g_signed() const;
		bool b_signed() const;

		// Image Rect
		u16 width() const;
		u16 height() const;

		// Border Color
		u32 border_color() const;
		u16 depth() const;
		u32 pitch() const;
	};

	class vertex_texture
	{
	protected:
		u8 m_index;
		std::array<u32, 0x10000 / 4> &registers;

	public:
		vertex_texture(u8 idx, std::array<u32, 0x10000 / 4> &r);
		vertex_texture() = delete;

		//initialize texture registers with default values
		void init(u8 index);

		// Offset
		u32 offset() const;

		// Format
		u8 location() const;
		bool cubemap() const;
		u8 border_type() const;
		rsx::texture_dimension dimension() const;
		u8 format() const;
		u16 mipmap() const;

		// Address
		u8 unsigned_remap() const;
		u8 zfunc() const;
		u8 gamma() const;
		u8 aniso_bias() const;
		u8 signed_remap() const;

		// Control0
		bool enabled() const;
		u16 min_lod() const;
		u16 max_lod() const;
		rsx::texture_max_anisotropy max_aniso() const;
		bool alpha_kill_enabled() const;

		// Filter
		u16 bias() const;
		rsx::texture_minify_filter min_filter() const;
		rsx::texture_magnify_filter mag_filter() const;
		u8 convolution_filter() const;
		bool a_signed() const;
		bool r_signed() const;
		bool g_signed() const;
		bool b_signed() const;

		// Image Rect
		u16 width() const;
		u16 height() const;

		// Border Color
		u32 border_color() const;
		u16 depth() const;
		u32 pitch() const;

		rsx::texture_dimension_extended get_extended_texture_dimension() const;
		u16 get_exact_mipmap_count() const;
	};
}