1 //  SuperTux
2 //  Copyright (C) 2018 Ingo Ruhnke <grumbel@gmail.com>
3 //
4 //  This program is free software: you can redistribute it and/or modify
5 //  it under the terms of the GNU General Public License as published by
6 //  the Free Software Foundation, either version 3 of the License, or
7 //  (at your option) any later version.
8 //
9 //  This program is distributed in the hope that it will be useful,
10 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
11 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 //  GNU General Public License for more details.
13 //
14 //  You should have received a copy of the GNU General Public License
15 //  along with this program.  If not, see <http://www.gnu.org/licenses/>.
16 
17 #ifndef HEADER_SUPERTUX_VIDEO_GL_GL33CORE_CONTEXT_HPP
18 #define HEADER_SUPERTUX_VIDEO_GL_GL33CORE_CONTEXT_HPP
19 
20 #include "video/gl/gl_context.hpp"
21 
22 #include <memory>
23 
24 class GLProgram;
25 class GLTexture;
26 class GLVertexArrays;
27 class GLVideoSystem;
28 
29 class GL33CoreContext final : public GLContext
30 {
31 public:
32   GL33CoreContext(GLVideoSystem& video_system);
33   ~GL33CoreContext() override;
34 
get_name() const35   virtual std::string get_name() const override { return "opengl33"; }
36 
37   virtual void bind() override;
38 
39   virtual void ortho(float width, float height, bool vflip) override;
40 
41   virtual void blend_func(GLenum src, GLenum dst) override;
42 
43   virtual void set_positions(const float* data, size_t size) override;
44 
45   virtual void set_texcoords(const float* data, size_t size) override;
46   virtual void set_texcoord(float u, float v) override;
47 
48   virtual void set_colors(const float* data, size_t size) override;
49   virtual void set_color(const Color& color) override;
50 
51   virtual void bind_texture(const Texture& texture, const Texture* displacement_texture) override;
52   virtual void bind_no_texture() override;
53   virtual void draw_arrays(GLenum type, GLint first, GLsizei count) override;
54 
supports_framebuffer() const55   virtual bool supports_framebuffer() const override { return true; }
56 
get_program() const57   GLProgram& get_program() const { return *m_program; }
get_vertex_arrays() const58   GLVertexArrays& get_vertex_arrays() const { return *m_vertex_arrays; }
get_white_texture() const59   GLTexture& get_white_texture() const { return *m_white_texture; }
60 
61 private:
62   GLVideoSystem& m_video_system;
63   std::unique_ptr<GLProgram> m_program;
64   std::unique_ptr<GLVertexArrays> m_vertex_arrays;
65   std::unique_ptr<GLTexture> m_white_texture;
66   std::unique_ptr<GLTexture> m_black_texture;
67   std::unique_ptr<GLTexture> m_grey_texture;
68   std::unique_ptr<GLTexture> m_transparent_texture;
69 
70 private:
71   GL33CoreContext(const GL33CoreContext&) = delete;
72   GL33CoreContext& operator=(const GL33CoreContext&) = delete;
73 };
74 
75 #endif
76 
77 /* EOF */
78