backported fixes from 256boss

[bootcensus] / src / video.h

diff --git a/src/video.h b/src/video.h
index 645675a..f8d4940 100644 (file)
--- a/src/video.h
+++ b/src/video.h
@@ -1,9 +1,49 @@
+/*
+pcboot - bootable PC demo/game kernel
+Copyright (C) 2018  John Tsiombikas <nuclear@member.fsf.org>
+
+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 3 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, see <https://www.gnu.org/licenses/>.
+*/
 #ifndef VIDEO_H_
 #define VIDEO_H_
 
+struct video_mode {
+       int mode;
+       int width, height;
+       int bpp;
+       int rbits, gbits, bbits;
+       int rshift, gshift, bshift;
+       unsigned int rmask, gmask, bmask;
+};
+
 void set_vga_mode(int mode);
 
+void *set_video_mode(int mode);
+int find_video_mode_idx(int xsz, int ysz, int bpp);
+
+int video_mode_count(void);
+int video_mode_info(int n, struct video_mode *vid);
+
+int get_color_bits(int *rbits, int *gbits, int *bbits);
+int get_color_mask(unsigned int *rmask, unsigned int *gmask, unsigned int *bmask);
+int get_color_shift(int *rshift, int *gshift, int *bshift);
+
+const char *get_video_vendor(void);
+int get_video_mem_size(void);
+
 /* defined in video_asm.s */
 void wait_vsync(void);
+void set_pal_entry(unsigned char idx, unsigned char r, unsigned char g, unsigned char b);
 
 #endif /* VIDEO_H_ */