valter/dosbox-staging
1
0
Fork 0
Code Releases Activity

Opengl output support in SDL

Browse source 
Removed threading support in SDL
Rewrite of VGA Drawing to work line for line
Rewrite of VGA Text drawing using lookup tables
Rewrite of render function to handle the new line for line drawing.
Changed CGA/TANDY/Hercules to be more like their original hardware.


Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1611
This commit is contained in:
Sjoerd van der Berg 2004-01-28 14:39:05 +00:00
parent 2cfb92f5c6
commit 9bf1cd50f5
11 changed files with 714 additions and 610 deletions
Download patch file Download diff file Expand all files Collapse all files

36
include/vga.h
View file

@ -64,9 +64,6 @@ typedef struct {
bool chained; /* Enable or Disabled Chain 4 Mode */
bool blinking; /* Attribute bit 7 is blinking */
bool vline_double;
Bit8u vline_height;
/* Pixel Scrolling */
Bit8u pel_panning; /* Amount of pixels to skip when starting horizontal line */
Bit8u hlines_skip;
@ -94,19 +91,39 @@ typedef struct {
typedef struct {
bool resizing;
bool drawing;
Bitu width;
Bitu height;
Bitu pitch;
Bitu blank;
Bitu blocks;
Bitu panning;
Bitu address;
Bitu address_add;
Bitu address_line_total;
Bitu address_line;
Bitu lines_total;
Bitu lines_left;
Bitu lines_scaled;
Bitu split_line;
Bitu parts_total;
Bitu parts_lines;
Bitu parts_left;
struct {
Bitu vtotal;
Bitu vstart;
Bitu vend;
Bitu htotal;
Bitu hstart;
Bitu hend;
Bitu parts;
} micro;
Bitu scaleh;
bool double_width;
bool double_height;
Bitu lines;
bool double_scan;
bool double_scan_active;
Bit8u font_height;
Bit8u font[64*1024];
Bitu font1_start;
Bitu font2_start;
Bitu rows,cols;
struct {
Bit8u sline,eline;
Bit8u count,delay;
@ -302,6 +319,9 @@ extern Bit32u FillTable[16];
extern Bit32u CGA_2_Table[16];
extern Bit32u CGA_4_Table[256];
extern Bit32u CGA_16_Table[256];
extern Bit32u TXT_Font_Table[16];
extern Bit32u TXT_FG_Table[16];
extern Bit32u TXT_BG_Table[16];
extern Bit32u Expand16Table[4][16];
extern Bit32u Expand16BigTable[0x10000];