original source from gpsp09-2xb_src.tar.bz2

video.h

@@ -0,0 +1,94 @@
+/* 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