/*************************************************************************/
/*  texture_storage.h                                                    */
/*************************************************************************/
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#ifndef TEXTURE_STORAGE_H
#define TEXTURE_STORAGE_H

#include "servers/rendering_server.h"

class RendererTextureStorage {
public:
	virtual bool can_create_resources_async() const = 0;

	virtual ~RendererTextureStorage(){};

	virtual RID texture_allocate() = 0;
	virtual void texture_free(RID p_rid) = 0;

	virtual void texture_2d_initialize(RID p_texture, const Ref<Image> &p_image) = 0;
	virtual void texture_2d_layered_initialize(RID p_texture, const Vector<Ref<Image>> &p_layers, RS::TextureLayeredType p_layered_type) = 0;
	virtual void texture_3d_initialize(RID p_texture, Image::Format, int p_width, int p_height, int p_depth, bool p_mipmaps, const Vector<Ref<Image>> &p_data) = 0;
	virtual void texture_proxy_initialize(RID p_texture, RID p_base) = 0; //all slices, then all the mipmaps, must be coherent

	virtual void texture_2d_update(RID p_texture, const Ref<Image> &p_image, int p_layer = 0) = 0;
	virtual void texture_3d_update(RID p_texture, const Vector<Ref<Image>> &p_data) = 0;
	virtual void texture_proxy_update(RID p_proxy, RID p_base) = 0;

	//these two APIs can be used together or in combination with the others.
	virtual void texture_2d_placeholder_initialize(RID p_texture) = 0;
	virtual void texture_2d_layered_placeholder_initialize(RID p_texture, RenderingServer::TextureLayeredType p_layered_type) = 0;
	virtual void texture_3d_placeholder_initialize(RID p_texture) = 0;

	virtual Ref<Image> texture_2d_get(RID p_texture) const = 0;
	virtual Ref<Image> texture_2d_layer_get(RID p_texture, int p_layer) const = 0;
	virtual Vector<Ref<Image>> texture_3d_get(RID p_texture) const = 0;

	virtual void texture_replace(RID p_texture, RID p_by_texture) = 0;
	virtual void texture_set_size_override(RID p_texture, int p_width, int p_height) = 0;

	virtual void texture_set_path(RID p_texture, const String &p_path) = 0;
	virtual String texture_get_path(RID p_texture) const = 0;

	virtual void texture_set_detect_3d_callback(RID p_texture, RS::TextureDetectCallback p_callback, void *p_userdata) = 0;
	virtual void texture_set_detect_normal_callback(RID p_texture, RS::TextureDetectCallback p_callback, void *p_userdata) = 0;
	virtual void texture_set_detect_roughness_callback(RID p_texture, RS::TextureDetectRoughnessCallback p_callback, void *p_userdata) = 0;

	virtual void texture_debug_usage(List<RS::TextureInfo> *r_info) = 0;

	virtual void texture_set_force_redraw_if_visible(RID p_texture, bool p_enable) = 0;

	virtual Size2 texture_size_with_proxy(RID p_proxy) = 0;
};

#endif // !TEXTURE_STORAGE_H