texture_provider.h

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/*
**  ClanLib SDK
**  Copyright (c) 1997-2009 The ClanLib Team
**
**  This software is provided 'as-is', without any express or implied
**  warranty.  In no event will the authors be held liable for any damages
**  arising from the use of this software.
**
**  Permission is granted to anyone to use this software for any purpose,
**  including commercial applications, and to alter it and redistribute it
**  freely, subject to the following restrictions:
**
**  1. The origin of this software must not be misrepresented; you must not
**     claim that you wrote the original software. If you use this software
**     in a product, an acknowledgment in the product documentation would be
**     appreciated but is not required.
**  2. Altered source versions must be plainly marked as such, and must not be
**     misrepresented as being the original software.
**  3. This notice may not be removed or altered from any source distribution.
**
**  Note: Some of the libraries ClanLib may link to may have additional
**  requirements or restrictions.
**
**  File Author(s):
**
**    Magnus Norddahl
**    Harry Storbacka
*/


#pragma once

#include "../Render/texture.h"
#include "../api_display.h"
#include "../../Core/System/sharedptr.h"
#include "../../Core/Text/string_types.h"

enum CL_TextureWrapMode;
enum CL_TextureFilter;
enum CL_TextureDepthMode;
enum CL_TextureCompareMode;
enum CL_CompareFunction;
class CL_PixelBuffer;
class CL_PixelFormat;
class CL_GraphicContextProvider;

class CL_API_DISPLAY CL_TextureProvider
{

public:
        virtual ~CL_TextureProvider() { return; }


public:


public:
        virtual void destroy() = 0;

        virtual void create(int width, int height, CL_TextureFormat internal_format, int depth) = 0;

        virtual CL_PixelBuffer get_pixeldata(CL_PixelFormat &format, int level) const = 0;

        virtual void set_image(CL_PixelBuffer &image, int level, CL_TextureFormat internal_format) = 0;

        virtual void set_cube_map(
                CL_PixelBuffer &cube_map_positive_x,
                CL_PixelBuffer &cube_map_negative_x,
                CL_PixelBuffer &cube_map_positive_y,
                CL_PixelBuffer &cube_map_negative_y,
                CL_PixelBuffer &cube_map_positive_z,
                CL_PixelBuffer &cube_map_negative_z,
                int level,
                CL_TextureFormat internal_format) = 0;

        virtual void set_compressed_image(
                int level,
                CL_TextureFormat internal_format,
                int width,
                int height,
                CL_DataBuffer &image) = 0;

        virtual void set_subimage(
                int x,
                int y,
                const CL_PixelBufferRef &image,
                int level) = 0;

        virtual void copy_image_from(
                int x,
                int y,
                int width,
                int height,
                int level,
                CL_TextureFormat internal_format,
                CL_GraphicContextProvider *gc) = 0;

        virtual void copy_subimage_from(
                int offset_x,
                int offset_y,
                int x,
                int y,
                int width,
                int height,
                int level,
                CL_GraphicContextProvider *gc) = 0;

        virtual void set_min_lod(double min_lod) = 0;

        virtual void set_max_lod(double max_lod) = 0;

        virtual void set_lod_bias(double lod_bias) = 0;

        virtual void set_base_level(int base_level) = 0;

        virtual void set_max_level(int max_level) = 0;

        virtual void set_generate_mipmap(bool generate_mipmap) = 0;

        virtual void set_wrap_mode(
                CL_TextureWrapMode wrap_s,
                CL_TextureWrapMode wrap_t,
                CL_TextureWrapMode wrap_r) = 0;

        virtual void set_wrap_mode(
                CL_TextureWrapMode wrap_s,
                CL_TextureWrapMode wrap_t) = 0;

        virtual void set_wrap_mode(
                CL_TextureWrapMode wrap_s) = 0;

        virtual void set_min_filter(CL_TextureFilter filter) = 0;

        virtual void set_mag_filter(CL_TextureFilter filter) = 0;

        virtual void set_max_anisotropy(float v) = 0;

        virtual void set_depth_mode(CL_TextureDepthMode depth_mode) = 0;

        virtual void set_texture_compare(CL_TextureCompareMode mode, CL_CompareFunction func) = 0;


private:
};

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