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Scaler rewrite for detecting changes

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New scalers for tv3x, rgb2x, rgb3x, scan2x, scan3x
Only updaterect the changed parts in sdl
Add support for 15/16/32bpp modes
Add support for highres 4bpp modes
Rewrite of vga page handlers for most other modes
AVI capturing using zmbv codec


Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2442
This commit is contained in:
Sjoerd van der Berg 2006-01-30 09:54:34 +00:00
parent 8cceb3b0e9
commit a9f5e6619b
4 changed files with 112 additions and 30 deletions
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36
include/vga.h
View file

@ -23,17 +23,19 @@
#include "dosbox.h"
#endif
class PageHandler;
enum VGAModes {
M_CGA2,M_CGA4,
M_EGA16,
M_VGA,
M_LIN8,
M_CGA2, M_CGA4,
M_EGA, M_VGA,
M_LIN4, M_LIN8, M_LIN15, M_LIN16, M_LIN32,
M_TEXT,
M_HERC_GFX,M_HERC_TEXT,
M_CGA16,M_TANDY2,M_TANDY4,M_TANDY16,M_TANDY_TEXT,
M_HERC_GFX, M_HERC_TEXT,
M_CGA16, M_TANDY2, M_TANDY4, M_TANDY16, M_TANDY_TEXT,
M_ERROR,
};
#define CLK_25 25175
#define CLK_28 28322
@ -86,7 +88,6 @@ typedef struct {
Bit32u full_not_enable_set_reset;
Bit32u full_enable_set_reset;
Bit32u full_enable_and_set_reset;
} VGA_Config;
typedef struct {
@ -291,10 +292,20 @@ union VGA_Memory {
Bit8u linear[512*1024*4];
Bit8u paged[512*1024][4];
VGA_Latch latched[512*1024];
};
};
typedef struct {
Bit32u page;
Bit32u addr;
Bit32u mask;
PageHandler *handler;
} VGA_LFB;
#define VGA_CHANGE_SHIFT 9
typedef Bit8u VGA_Changed[(2*1024*1024) >> VGA_CHANGE_SHIFT];
typedef struct {
VGAModes mode; /* The mode the vga system is in */
VGAModes lastmode;
Bit8u misc_output;
VGA_Draw draw;
VGA_Config config;
@ -311,6 +322,8 @@ typedef struct {
VGA_TANDY tandy;
VGA_OTHER other;
VGA_Memory mem;
VGA_LFB lfb;
VGA_Changed changed;
Bit8u * gfxmem_start;
} VGA_Type;
@ -351,6 +364,13 @@ void VGA_SetCGA4Table(Bit8u val0,Bit8u val1,Bit8u val2,Bit8u val3);
void VGA_ActivateHardwareCursor(void);
void VGA_KillDrawing(void);
/* S3 Functions */
Bitu SVGA_S3_GetClock(void);
void SVGA_S3_WriteCRTC(Bitu reg,Bitu val,Bitu iolen);
Bitu SVGA_S3_ReadCRTC(Bitu reg,Bitu iolen);
void SVGA_S3_WriteSEQ(Bitu reg,Bitu val,Bitu iolen);
Bitu SVGA_S3_ReadSEQ(Bitu reg,Bitu iolen);
extern VGA_Type vga;
extern Bit32u ExpandTable[256];