1: /* unofficial gameplaySP kai
  2:  *
  3:  * Copyright (C) 2006 Exophase <exophase@gmail.com>
  4:  * Copyright (C) 2007 takka <takka@tfact.net>
  5:  *
  6:  * This program is free software; you can redistribute it and/or
  7:  * modify it under the terms of the GNU General Public License as
  8:  * published by the Free Software Foundation; either version 2 of
  9:  * the License, or (at your option) any later version.
 10:  *
 11:  * This program is distributed in the hope that it will be useful,
 12:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 13:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 14:  * General Public License for more details.
 15:  *
 16:  * You should have received a copy of the GNU General Public License
 17:  * along with this program; if not, write to the Free Software
 18:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 19:  */
 20: 
 21: #ifndef VIDEO_H
 22: #define VIDEO_H
 23: 
 24: #define FONT_WIDTH  6
 25: #define FONT_HEIGHT 10
 26: 
 27: void update_scanline();
 28: void update_screen();
 29: void init_video();
 30: void video_resolution_large();
 31: void video_resolution_small();
 32: void print_string(char *str, u16 fg_color, u16 bg_color, u32 x, u32 y);
 33: void print_string_pad(char *str, u16 fg_color, u16 bg_color, u32 x, u32 y, u32 pad);
 34: void print_string_ext(char *str, u16 fg_color, u16 bg_color, u32 x, u32 y, void *_dest_ptr, u32 pitch, u32 pad);
 35: void clear_screen(u16 color);
 36: void blit_to_screen(u16 *src, u32 w, u32 h, u32 x, u32 y);
 37: u16 *copy_screen();
 38: void flip_screen();
 39: void video_read_mem_savestate(FILE_TAG_TYPE savestate_file);
 40: void video_write_mem_savestate(FILE_TAG_TYPE savestate_file);
 41: void video_read_savestate(FILE_TAG_TYPE savestate_file);
 42: 
 43: void debug_screen_clear();
 44: void debug_screen_start();
 45: void debug_screen_end();
 46: void debug_screen_printf(const char *format, ...);
 47: void debug_screen_printl(const char *format, ...);
 48: void debug_screen_newline(u32 count);
 49: void debug_screen_update();
 50: 
 51: extern u32 frame_speed;
 52: 
 53: extern s32 affine_reference_x[2];
 54: extern s32 affine_reference_y[2];
 55: 
 56: typedef void (* tile_render_function)(u32 layer_number, u32 start, u32 end,
 57:  void *dest_ptr);
 58: typedef void (* bitmap_render_function)(u32 start, u32 end, void *dest_ptr);
 59: 
 60: typedef struct
 61: {
 62:   tile_render_function normal_render_base;
 63:   tile_render_function normal_render_transparent;
 64:   tile_render_function alpha_render_base;
 65:   tile_render_function alpha_render_transparent;
 66:   tile_render_function color16_render_base;
 67:   tile_render_function color16_render_transparent;
 68:   tile_render_function color32_render_base;
 69:   tile_render_function color32_render_transparent;
 70: } tile_layer_render_struct;
 71: 
 72: typedef struct
 73: {
 74:   bitmap_render_function normal_render;
 75: } bitmap_layer_render_struct;
 76: 
 77: typedef enum
 78: {
 79:   unscaled,
 80:   scaled_aspect,
 81:   fullscreen,
 82: } video_scale_type;
 83: 
 84: typedef enum
 85: {
 86:   filter_nearest,
 87:   filter_bilinear
 88: } video_filter_type;
 89: 
 90: extern u16 *screen_address;
 91: extern u32 screen_pitch;
 92: extern u32 screen_width;
 93: extern u32 screen_height;
 94: extern u32 screen_width2;
 95: extern u32 screen_height2;
 96: 
 97: extern u32 screen_scale;
 98: extern u32 current_scale;
 99: extern u32 screen_filter;
100: 
101: void set_gba_resolution_small(video_scale_type scale);
102: void set_gba_resolution_large();
103: 
104: #endif
105: