AllegroGL: glvtable.h Source File

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# glvtable.h

    00001 #ifndef ALLEGRO_GL_WINDOWS_VTABLE_H
    00002 #define ALLEGRO_GL_WINDOWS_VTABLE_H
    00003
    00004 #include <allegro.h>
    00005
    00006
    00007 /* Special structure for holding video bitmaps. This piggy-backs
    00008  * over the regular BITMAP structure to provide AllegroGL with the
    00009  * necessary information for maintaining video bitmap over OpenGL
    00010  */
    00011 typedef struct AGL_VIDEO_BITMAP {
    00012     GLenum target;         /* GL_TEXTURE_2D, GL_TEXTURE_RECTANGLE_NV, etc */
    00013     BITMAP *memory_copy;   /* Memory copy for reading -> subbitmap */
    00014     GLuint tex;            /* Associated texture number */
    00015     GLuint fbo;            /* Associated FBO number. */
    00016     int x_ofs, y_ofs;      /* Offsets of this block */
    00017     int width, height;     /* Size of the bitmap block */
    00018     struct AGL_VIDEO_BITMAP *next; /* Next block, if bitmap is too large to fit in one texture */
    00019     GLenum format;         /* Pixel data format of the memory copy bitmap. */
    00020     GLenum type;           /* Pixel data type of the memory copy bitmap. */
    00021 } AGL_VIDEO_BITMAP;
    00022
    00023
    00024 void __allegro_gl__glvtable_update_vtable (GFX_VTABLE **vtable);
    00025 BITMAP *allegro_gl_create_video_bitmap(int w, int h);
    00026 void allegro_gl_drawing_mode(void);
    00027 void allegro_gl_set_blender_mode(int mode, int r, int g, int b, int a);
    00028 void allegro_gl_destroy_video_bitmap(BITMAP *bmp);
    00029 void allegro_gl_created_sub_bitmap(BITMAP *bmp, BITMAP *parent);
    00030 void split_color(int color, GLubyte *r, GLubyte *g, GLubyte *b, GLubyte *a,
    00031         int color_depth);
    00032 void allegro_gl_screen_blit_to_self (struct BITMAP *source, struct BITMAP *dest,
    00033         int source_x, int source_y, int dest_x, int dest_y, int width,
    00034         int height);
    00035 void allegro_gl_video_blit_from_memory(struct BITMAP *source,
    00036         struct BITMAP *dest, int source_x, int source_y, int dest_x,
    00037         int dest_y, int width, int height);
    00038 void allegro_gl_video_blit_to_memory(struct BITMAP *source, struct BITMAP *dest,
    00039         int source_x, int source_y, int dest_x, int dest_y, int width,
    00040         int height);
    00041 void do_masked_blit_screen(struct BITMAP *source, struct BITMAP *dest,
    00042         int source_x, int source_y, int dest_x, int dest_y, int width, int height,
    00043         int flip_dir, int blit_type);
    00044 void allegro_gl_video_blit_to_self(struct BITMAP *source, struct BITMAP *dest,
    00045         int source_x, int source_y, int dest_x, int dest_y, int width, int height);
    00046 void allegro_gl_screen_clear_to_color(struct BITMAP *bmp, int color);
    00047 void allegro_gl_upload_and_display_texture(struct BITMAP *source,
    00048         int source_x, int source_y, int dest_x, int dest_y, int width, int height,
    00049         int flip_dir, GLint format, GLint type);
    00050 void allegro_gl_screen_draw_glyph_ex(struct BITMAP *bmp,
    00051         AL_CONST struct FONT_GLYPH *glyph, int x, int y,
    00052         int color, int bg, int flip);
    00053 void allegro_gl_screen_draw_color_glyph_ex(struct BITMAP *bmp,
    00054         struct BITMAP *sprite, int x, int y, int color, int bg, int flip);
    00055 void allegro_gl_screen_polygon3d_f(struct BITMAP *bmp, int type,
    00056                                    struct BITMAP *texture, int vc,
    00057                                    V3D_f *vtx[]);
    00058 #endif
    00059