[gpsp.git] / video.h

/* gameplaySP
 *
 * Copyright (C) 2006 Exophase <exophase@gmail.com>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#ifndef VIDEO_H
#define VIDEO_H

void update_scanline();
void update_screen();
void init_video();
void video_resolution_large();
void video_resolution_small();
void print_string(const char *str, u16 fg_color, u16 bg_color,
 u32 x, u32 y);
void print_string_pad(const char *str, u16 fg_color, u16 bg_color,
 u32 x, u32 y, u32 pad);
void print_string_ext(const char *str, u16 fg_color, u16 bg_color,
 u32 x, u32 y, void *_dest_ptr, u32 pitch, u32 pad);
void clear_screen(u16 color);
void blit_to_screen(u16 *src, u32 w, u32 h, u32 x, u32 y);
u16 *copy_screen();
void flip_screen();
void video_write_mem_savestate(file_tag_type savestate_file);
void video_read_savestate(file_tag_type savestate_file);

void debug_screen_clear();
void debug_screen_start();
void debug_screen_end();
void debug_screen_printf(const char *format, ...);
void debug_screen_printl(const char *format, ...);
void debug_screen_newline(u32 count);
void debug_screen_update();

extern u32 frame_speed;

extern s32 affine_reference_x[2];
extern s32 affine_reference_y[2];

typedef void (* tile_render_function)(u32 layer_number, u32 start, u32 end,
 void *dest_ptr);
typedef void (* bitmap_render_function)(u32 start, u32 end, void *dest_ptr);

typedef struct
{
  tile_render_function normal_render_base;
  tile_render_function normal_render_transparent;
  tile_render_function alpha_render_base;
  tile_render_function alpha_render_transparent;
  tile_render_function color16_render_base;
  tile_render_function color16_render_transparent;
  tile_render_function color32_render_base;
  tile_render_function color32_render_transparent;
} tile_layer_render_struct;

typedef struct
{
  bitmap_render_function normal_render;
} bitmap_layer_render_struct;

typedef enum
{
  unscaled,
  scaled_aspect,
  fullscreen,
} video_scale_type;

typedef enum
{
  filter_nearest,
  filter_bilinear
} video_filter_type;

extern video_scale_type screen_scale;
extern video_scale_type current_scale;
extern video_filter_type screen_filter;

void set_gba_resolution(video_scale_type scale);

#endif
Commit	Line	Data
2823a4c8	1	/* gameplaySP
	2	*
	3	* Copyright (C) 2006 Exophase <exophase@gmail.com>
	4	*
	5	* This program is free software; you can redistribute it and/or
	6	* modify it under the terms of the GNU General Public License as
	7	* published by the Free Software Foundation; either version 2 of
	8	* the License, or (at your option) any later version.
	9	*
	10	* This program is distributed in the hope that it will be useful,
	11	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	13	* General Public License for more details.
	14	*
	15	* You should have received a copy of the GNU General Public License
	16	* along with this program; if not, write to the Free Software
	17	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
	18	*/
	19
	20	#ifndef VIDEO_H
	21	#define VIDEO_H
	22
	23	void update_scanline();
	24	void update_screen();
	25	void init_video();
	26	void video_resolution_large();
	27	void video_resolution_small();
	28	void print_string(const char *str, u16 fg_color, u16 bg_color,
	29	u32 x, u32 y);
	30	void print_string_pad(const char *str, u16 fg_color, u16 bg_color,
	31	u32 x, u32 y, u32 pad);
	32	void print_string_ext(const char *str, u16 fg_color, u16 bg_color,
	33	u32 x, u32 y, void *_dest_ptr, u32 pitch, u32 pad);
	34	void clear_screen(u16 color);
	35	void blit_to_screen(u16 *src, u32 w, u32 h, u32 x, u32 y);
	36	u16 *copy_screen();
	37	void flip_screen();
	38	void video_write_mem_savestate(file_tag_type savestate_file);
	39	void video_read_savestate(file_tag_type savestate_file);
	40
	41	void debug_screen_clear();
	42	void debug_screen_start();
	43	void debug_screen_end();
	44	void debug_screen_printf(const char *format, ...);
	45	void debug_screen_printl(const char *format, ...);
	46	void debug_screen_newline(u32 count);
	47	void debug_screen_update();
	48
	49	extern u32 frame_speed;
	50
	51	extern s32 affine_reference_x[2];
	52	extern s32 affine_reference_y[2];
	53
	54	typedef void (* tile_render_function)(u32 layer_number, u32 start, u32 end,
	55	void *dest_ptr);
	56	typedef void (* bitmap_render_function)(u32 start, u32 end, void *dest_ptr);
	57
	58	typedef struct
	59	{
	60	tile_render_function normal_render_base;
	61	tile_render_function normal_render_transparent;
	62	tile_render_function alpha_render_base;
	63	tile_render_function alpha_render_transparent;
	64	tile_render_function color16_render_base;
65	tile_render_function color16_render_transparent;
66	tile_render_function color32_render_base;
67	tile_render_function color32_render_transparent;
68	} tile_layer_render_struct;
69
70	typedef struct
71	{
72	bitmap_render_function normal_render;
73	} bitmap_layer_render_struct;
74
75	typedef enum
76	{
77	unscaled,
78	scaled_aspect,
79	fullscreen,
80	} video_scale_type;
81
82	typedef enum
83	{
84	filter_nearest,
85	filter_bilinear
86	} video_filter_type;
87
88	extern video_scale_type screen_scale;
89	extern video_scale_type current_scale;
90	extern video_filter_type screen_filter;
91
92	void set_gba_resolution(video_scale_type scale);
93
94	#endif