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71 lines
2.1 KiB
C
71 lines
2.1 KiB
C
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#ifndef _VIINT_H
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#define _VIINT_H
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#include "PR/os_internal.h"
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#define OS_TV_TYPE_PAL 0
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#define OS_TV_TYPE_NTSC 1
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#define OS_TV_TYPE_MPAL 2
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#define VI_STATE_MODE_UPDATED 0x01
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#define VI_STATE_XSCALE_UPDATED 0x02
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#define VI_STATE_YSCALE_UPDATED 0x04
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#define VI_STATE_CTRL_UPDATED 0x08 // related to control regs changing
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#define VI_STATE_BUFFER_UPDATED 0x10 // swap buffer
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#define VI_STATE_BLACK 0x20 // probably related to a black screen
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#define VI_STATE_REPEATLINE 0x40 // repeat line?
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#define VI_STATE_FADE 0x80 // fade
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#define VI_CTRL_ANTIALIAS_MODE_3 0x00300 /* Bit [9:8] anti-alias mode */
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#define VI_CTRL_ANTIALIAS_MODE_2 0x00200 /* Bit [9:8] anti-alias mode */
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#define VI_CTRL_ANTIALIAS_MODE_1 0x00100 /* Bit [9:8] anti-alias mode */
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#define VI_SCALE_MASK 0xfff //see rcp scale_x/scale_y
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#define VI_2_10_FPART_MASK 0x3ff
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#define VI_SUBPIXEL_SH 0x10
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#define BURST(hsync_width, color_width, vsync_width, color_start) \
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(hsync_width | (color_width << 8) | (vsync_width << 16) | (color_start << 20))
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#define WIDTH(v) v
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#define VSYNC(v) v
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#define HSYNC(duration, leap) (duration | (leap << 16))
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#define LEAP(upper, lower) ((upper << 16) | lower)
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#define START(start, end) ((start << 16) | end)
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#define FTOFIX(val, i, f) ((u32)(val * (f32)(1 << f)) & ((1 << (i + f)) - 1))
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#define F210(val) FTOFIX(val, 2, 10)
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#define SCALE(scaleup, off) (F210((1.0f / (f32)scaleup)) | (F210((f32)off) << 16))
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#define VCURRENT(v) v //seemingly unused
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#define ORIGIN(v) v
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#define VINTR(v) v
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#define HSTART START
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typedef struct
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{
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/* 0x0 */ f32 factor;
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/* 0x4 */ u16 offset;
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/* 0x8 */ u32 scale;
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} __OSViScale;
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typedef struct
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{
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/* 0x0 */ u16 state;
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/* 0x2 */ u16 retraceCount;
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/* 0x4 */ void *framep;
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/* 0x8 */ OSViMode *modep;
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/* 0xC */ u32 control;
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/* 0x10 */ OSMesgQueue *msgq;
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/* 0x14 */ OSMesg msg;
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/* 0x18 */ __OSViScale x;
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/* 0x24 */ __OSViScale y;
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} __OSViContext; // 0x30 bytes
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void __osViSwapContext(void);
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extern __OSViContext *__osViCurr;
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extern __OSViContext *__osViNext;
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extern u32 __additional_scanline;
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__OSViContext *__osViGetCurrentContext(void);
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void __osViInit(void);
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#endif
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