| 1 | // Copyright (C) 2012-2013 ChaosForge / Kornel Kisielewicz
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| 2 | // http://chaosforge.org/
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| 3 | //
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| 4 | // This file is part of NV Libraries.
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| 5 | // For conditions of distribution and use, see copyright notice in nv.hh
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| 6 | /**
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| 7 | * @file gl_context.hh
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| 8 | * @author Kornel Kisielewicz epyon@chaosforge.org
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| 9 | * @brief Context class
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| 10 | */
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| 11 |
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| 12 | #ifndef NV_GL_CONTEXT_HH
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| 13 | #define NV_GL_CONTEXT_HH
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| 14 |
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| 15 | #include <nv/interface/context.hh>
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| 16 |
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| 17 | namespace nv
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| 18 | {
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| 19 | class gl_context : public context
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| 20 | {
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| 21 | protected:
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| 22 | gl_context( device* a_device );
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| 23 | public:
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| 24 | ~gl_context();
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| 25 | virtual void bind( texture t, texture_slot slot );
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| 26 | virtual void bind( program p );
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| 27 | virtual void bind( buffer b );
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| 28 | virtual void bind( vertex_array va );
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| 29 | virtual void unbind( program p );
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| 30 | virtual void unbind( buffer b );
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| 31 | virtual void unbind( vertex_array va );
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| 32 |
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| 33 | virtual void update( texture t, void* data );
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| 34 | virtual void update( buffer b, const void* data, size_t offset, size_t size );
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| 35 |
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| 36 | virtual void clear( const clear_state& cs );
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| 37 | // temporary
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| 38 | virtual void draw( primitive prim, const render_state& rs, program p, vertex_array va, size_t count );
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| 39 | virtual const ivec4& get_viewport();
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| 40 | virtual void set_viewport( const ivec4& viewport );
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| 41 | virtual void apply_render_state( const render_state& state );
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| 42 | virtual void apply_engine_uniforms( program p, const scene_state& s );
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| 43 |
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| 44 | protected:
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| 45 | void force_apply_render_state( const render_state& state );
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| 46 | void force_apply_stencil_face( unsigned face, const stencil_test_face& stencil );
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| 47 | private:
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| 48 | void apply_stencil_test( const stencil_test& stencil );
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| 49 | void apply_stencil_face( unsigned face, stencil_test_face& stencil, const stencil_test_face& new_stencil );
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| 50 | void apply_scissor_test( const scissor_test& scissor );
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| 51 | void apply_depth_test( const depth_test& depth );
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| 52 | void apply_depth_mask( bool mask );
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| 53 | void apply_depth_range( const depth_range& range );
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| 54 | void apply_color_mask( const color_mask& mask );
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| 55 | void apply_blending( const blending& blend );
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| 56 | void apply_culling( const culling& cull );
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| 57 | void apply_polygon_mode( const polygon_mode& mode );
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| 58 | void enable( unsigned int what, bool value );
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| 59 |
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| 60 | private:
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| 61 | vec4 m_clear_color;
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| 62 | float m_clear_depth;
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| 63 | int m_clear_stencil;
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| 64 | };
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| 65 |
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| 66 | class sdl_gl_context : public gl_context
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| 67 | {
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| 68 | public:
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| 69 | sdl_gl_context( device* a_device, void* a_sdl_win_handle );
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| 70 | ~sdl_gl_context();
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| 71 | private:
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| 72 | void* m_handle;
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| 73 | };
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| 74 |
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| 75 | class native_gl_context : public gl_context
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| 76 | {
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| 77 | public:
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| 78 | native_gl_context( device* a_device, void* a_native_win_handle );
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| 79 | void* get_native_handle() { return m_handle; }
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| 80 | ~native_gl_context();
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| 81 | private:
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| 82 | void* m_handle;
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| 83 | };
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| 84 |
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| 85 |
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| 86 | } // namespace nv
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| 87 |
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| 88 | #endif // NV_CONTEXT_HH
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