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Rev 5218 Rev 6243
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ZB_Z_BITS equ 16
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ZB_Z_BITS equ 16
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ZB_POINT_Z_FRAC_BITS equ 14
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ZB_POINT_S_MIN equ (1 shl 13)
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ZB_POINT_Z_FRAC_BITS equ 14
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ZB_POINT_S_MAX equ ( (1 shl 22)-(1 shl 13) )
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ZB_POINT_T_MIN equ (1 shl 21)
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ZB_POINT_TEXEL_SIZE equ 12 ;точность множителя для вычисления координат текселя
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ZB_POINT_T_MAX equ ( (1 shl 30)-(1 shl 21) )
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	;влияет на максимальный размер текстуры
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ZB_MODE_INDEX  equ 2  ; color index 8 bits
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ZB_MODE_INDEX  equ 2  ; color index 8 bits
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ZB_MODE_RGBA   equ 3  ; 32 bit rgba mode
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ZB_MODE_RGBA   equ 3  ; 32 bit rgba mode
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ZB_MODE_RGB24  equ 4  ; 24 bit rgb mode
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ZB_MODE_RGB24  equ 4  ; 24 bit rgb mode
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ZB_NB_COLORS   equ 225 ; number of colors for 8 bit display
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ZB_NB_COLORS   equ 225 ; number of colors for 8 bit display
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if TGL_FEATURE_RENDER_BITS eq 15
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;#define RGB_TO_PIXEL(r,g,b) \
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;  ((((r) >> 1) & 0x7c00) | (((g) >> 6) & 0x03e0) | ((b) >> 11))
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;typedef unsigned short PIXEL;
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; bytes per pixel
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;PSZB equ 2
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; bits per pixel = (1 << PSZH)
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;PSZSH equ 4
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else if TGL_FEATURE_RENDER_BITS eq 16
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; 16 bit mode
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;#define RGB_TO_PIXEL(r,g,b) \
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;  (((r) & 0xF800) | (((g) >> 5) & 0x07E0) | ((b) >> 11))
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;typedef unsigned short PIXEL;
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;PSZB equ 2
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;PSZSH equ 4
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 - 
 
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else if TGL_FEATURE_RENDER_BITS eq 24
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if TGL_FEATURE_RENDER_BITS eq 24
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macro RGB_TO_PIXEL r,g,b
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macro RGB_TO_PIXEL r,g,b
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{
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{
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	nb_colors dd ? ;int
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	nb_colors dd ? ;int
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	dctable dd ? ;*unsigned char
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	dctable dd ? ;*unsigned char
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	ctable dd ? ;*int
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	ctable dd ? ;*int
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	current_texture dd ? ;*PIXEL
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	s_log2 dd ? ;unsigned int
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	s_bound dd ? ;unsigned int
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	current_texture dd ? ;*PIXEL
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	t_bound dd ? ;unsigned int
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ends
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ends
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offs_zbuf_xsize equ 0
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offs_zbuf_xsize equ 0
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offs_zbuf_frame_buffer_allocated equ 28
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offs_zbuf_frame_buffer_allocated equ 28
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offs_zbuf_nb_colors equ 32
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offs_zbuf_nb_colors equ 32
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offs_zbuf_dctable equ 36
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offs_zbuf_dctable equ 36
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offs_zbuf_ctable equ 40
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offs_zbuf_ctable equ 40
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offs_zbuf_current_texture equ 44
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offs_zbuf_current_texture equ 44
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offs_zbuf_s_log2 equ 48
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offs_zbuf_s_bound equ 52
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offs_zbuf_t_bound equ 56
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struct ZBufferPoint
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struct ZBufferPoint
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	x dd ? ;int ;integer coordinates in the zbuffer
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	x dd ? ;int ;integer coordinates in the zbuffer
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	y dd ? ;int
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	y dd ? ;int