graphic_context_gl1.h

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00001 /*
00002 **  ClanLib SDK
00003 **  Copyright (c) 1997-2011 The ClanLib Team
00004 **
00005 **  This software is provided 'as-is', without any express or implied
00006 **  warranty.  In no event will the authors be held liable for any damages
00007 **  arising from the use of this software.
00008 **
00009 **  Permission is granted to anyone to use this software for any purpose,
00010 **  including commercial applications, and to alter it and redistribute it
00011 **  freely, subject to the following restrictions:
00012 **
00013 **  1. The origin of this software must not be misrepresented; you must not
00014 **     claim that you wrote the original software. If you use this software
00015 **     in a product, an acknowledgment in the product documentation would be
00016 **     appreciated but is not required.
00017 **  2. Altered source versions must be plainly marked as such, and must not be
00018 **     misrepresented as being the original software.
00019 **  3. This notice may not be removed or altered from any source distribution.
00020 **
00021 **  Note: Some of the libraries ClanLib may link to may have additional
00022 **  requirements or restrictions.
00023 **
00024 **  File Author(s):
00025 **
00026 **    Mark Page
00027 */
00028 
00031 
00032 #pragma once
00033 
00034 #include "api_gl1.h"
00035 #include "opengl1_defines.h"
00036 #include "../Core/System/sharedptr.h"
00037 #include "../Display/Render/graphic_context.h"
00038 #include "material.h"
00039 #include "light_source.h"
00040 #include "texture_unit.h"
00041 #include "light_model.h"
00042 
00043 class CL_RenderWindowProvider;
00044 class CL_ShaderObjectProvider;
00045 class CL_FrameBufferProvider;
00046 class CL_RenderBufferProvider;
00047 class CL_GL1FrameBufferProvider;
00048 class CL_GraphicContext_GL1_Impl;
00049 
00053 class CL_API_GL1 CL_GraphicContext_GL1 : public CL_GraphicContext
00054 {
00056 public:
00057         // \brief Create a null instance
00058         CL_GraphicContext_GL1() {}
00059 
00061         CL_GraphicContext_GL1(CL_GraphicContext &gc);
00062 
00063         ~CL_GraphicContext_GL1();
00064 
00066 public:
00068         bool is_null() const { return !impl; }
00069 
00071         void throw_if_null() const;
00072 
00076         int get_max_texture_coords();
00077 
00081         int get_light_count();
00082 
00088         void get_opengl_version(int &version_major, int &version_minor, int &version_release);
00089 
00091 public:
00092 
00096         void push_texture_matrix(int unit_index);
00097 
00102         void set_texture_matrix(int unit_index, const CL_Mat4f &matrix);
00103 
00107         void pop_texture_matrix(int unit_index);
00108 
00112         void set_light_model(const CL_LightModel_GL1 &light_model);
00113 
00115         void reset_light_model();
00116 
00120         void set_material(const CL_Material_GL1 &material);
00121 
00125         void set_front_material(const CL_Material_GL1 &material);
00126 
00130         void set_back_material(const CL_Material_GL1 &material);
00131 
00133         void reset_front_material();
00134 
00136         void reset_back_material();
00137 
00142         void set_material(GLenum face, const CL_Material_GL1 &material);
00143 
00145         void reset_material();
00146 
00150         void set_color_material(CL_ColorMaterial_GL1 color);
00151 
00155         void set_color_material_front(CL_ColorMaterial_GL1 color);
00156 
00160         void set_color_material_back(CL_ColorMaterial_GL1 color);
00161 
00163         void reset_color_material();
00164 
00169         void set_color_material(GLenum face, CL_ColorMaterial_GL1 color);
00170 
00175         void set_light(int light_index, const CL_LightSource_GL1 &light);
00176 
00180         void reset_light(int light_index);
00181 
00186         void set_texture_unit(int unit_index, const CL_TextureUnit_GL1 &unit);
00187 
00191         void set_active();
00192 
00194 private:
00195         CL_SharedPtr<CL_GraphicContext_GL1_Impl> impl;
00196 };
00197