program_object_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):
**
**    Harry Storbacka
*/


#pragma once

#include <vector>
class CL_ProgramAttribute;
class CL_ProgramUniform;
class CL_ShaderObject;

class CL_ProgramObjectProvider
{

public:
        virtual ~CL_ProgramObjectProvider()
        {
        }

        virtual void destroy()=0;


public:
        virtual unsigned int get_handle() const=0;

        virtual bool get_link_status() const=0;

        virtual bool get_validate_status() const=0;

        virtual CL_String get_info_log() const=0;

        virtual int get_attribute_count() const=0;

        virtual std::vector<CL_ShaderObject> get_shaders() const=0;

        virtual std::vector<CL_ProgramAttribute> get_attributes() const=0;

        virtual int get_attribute_location(const CL_StringRef &name) const=0;

        virtual int get_uniform_count() const=0;

        virtual std::vector<CL_ProgramUniform> get_uniforms() const=0;

        virtual int get_uniform_location(const CL_StringRef &name) const=0;


public:
        virtual void attach(const CL_ShaderObject &obj)=0;

        virtual void detach(const CL_ShaderObject &obj)=0;


        virtual void bind_attribute_location(int index, const CL_StringRef &name)=0;


        virtual void link()=0;


        virtual void validate()=0;

        virtual void set_uniform1i(const CL_StringRef &name, int)=0;

        virtual void set_uniform2i(const CL_StringRef &name, int, int)=0;
        virtual void set_uniform3i(const CL_StringRef &name, int, int, int)=0;

        virtual void set_uniform4i(const CL_StringRef &name, int, int, int, int)=0;

        virtual void set_uniformiv(const CL_StringRef &name, int size, int count, int *data)=0;
        virtual void set_uniform1f(const CL_StringRef &name, float)=0;

        virtual void set_uniform2f(const CL_StringRef &name, float, float)=0;
        virtual void set_uniform3f(const CL_StringRef &name, float, float, float)=0;

        virtual void set_uniform4f(const CL_StringRef &name, float, float, float, float)=0;

        virtual void set_uniformfv(const CL_StringRef &name, int size, int count, float *data)=0;

        virtual void set_uniform_matrix(const CL_StringRef &name, int size, int count, bool transpose, float *data)=0;


private:

};

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