crawl-ref/source/glwrapper-ogl.h

   1 #ifndef OGL_GL_WRAPPER_H
   2 #define OGL_GL_WRAPPER_H
   3
   4 #ifdef USE_TILE
   5 #ifdef USE_GL
   6
   7 #include "glwrapper.h"
   8
   9 class OGLStateManager : public GLStateManager
  10 {
  11 public:
  12     OGLStateManager();
  13
  14     // State Manipulation
  15     virtual void set(const GLState& state);
  16     virtual void pixelstore_unpack_alignment(unsigned int bpp);
  17     virtual void reset_view_for_redraw(float x, float y);
  18     virtual void reset_view_for_resize(const coord_def &m_windowsz);
  19     virtual void set_transform(const GLW_3VF &trans, const GLW_3VF &scale);
  20     virtual void reset_transform();
  21
  22     // Texture-specific functinos
  23     virtual void delete_textures(size_t count, unsigned int *textures);
  24     virtual void generate_textures(size_t count, unsigned int *textures);
  25     virtual void bind_texture(unsigned int texture);
  26     virtual void load_texture(unsigned char *pixels, unsigned int width,
  27                               unsigned int height, MipMapOptions mip_opt);
  28 protected:
  29     GLState m_current_state;
  30 };
  31
  32 class OGLShapeBuffer : public GLShapeBuffer
  33 {
  34 public:
  35     OGLShapeBuffer(bool texture = false, bool colour = false,
  36                    drawing_modes prim = GLW_RECTANGLE);
  37
  38     virtual const char *print_statistics() const;
  39     virtual unsigned int size() const;
  40
  41     virtual void add(const GLWPrim &rect);
  42     virtual void draw(const GLState &state);
  43     virtual void clear();
  44
  45 protected:
  46     // Helper methods for adding specific primitives.
  47     void add_rect(const GLWPrim &rect);
  48     void add_line(const GLWPrim &rect);
  49
  50     drawing_modes m_prim_type;
  51     bool m_texture_verts;
  52     bool m_colour_verts;
  53
  54     std::vector<GLW_3VF> m_position_buffer;
  55     std::vector<GLW_2VF> m_texture_buffer;
  56     std::vector<VColour> m_colour_buffer;
  57     std::vector<unsigned short int> m_ind_buffer;
  58 };
  59
  60 #endif // USE_GL
  61 #endif // USE_TILE
  62 #endif // OGL_GL_WRAPPER_H