📄 stamp.h
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/* * @(#)stamp.h 4.1 (ULTRIX) 7/2/90 *//************************************************************************ * * * Copyright (c) 1990 by * * Digital Equipment Corporation, Maynard, MA * * All rights reserved. * * * * This software is furnished under a license and may be used and * * copied only in accordance with the terms of such license and * * with the inclusion of the above copyright notice. This * * software or any other copies thereof may not be provided or * * otherwise made available to any other person. No title to and * * ownership of the software is hereby transferred. * * * * The information in this software is subject to change without * * notice and should not be construed as a commitment by Digital * * Equipment Corporation. * * * * Digital assumes no responsibility for the use or reliability * * of its software on equipment which is not supplied by Digital. * * * ************************************************************************//* * 16-Jan-90 Sam Hsu * Remove symbol conflicts with the ucode/server. Move STIC definitions * to gx.h * * 00-Xyz-89 Sam Hsu * $Header: stamp.h,v 1.7 90/02/16 22:38:47 fhsu Exp $ * Created. */#ifndef _STAMP_H_#define _STAMP_H_typedef struct _stamp_cmd { unsigned opcode : 4; /* <3:0> */#define STAMP_CMD_POINTS 0#define STAMP_CMD_LINES 1#define STAMP_CMD_TRIANGLES 2#define STAMP_CMD_COPYSPANS 5#define STAMP_CMD_READSPANS 6#define STAMP_CMD_WRITESPANS 7#define STAMP_CMD_VIDEO 8 unsigned rgb_format : 2; /* <5:4> */#define STAMP_RGB_NONE 0#define STAMP_RGB_CONST 1#define STAMP_RGB_FLAT 2#define STAMP_RGB_SMOOTH 3 unsigned z_format : 2; /* <7:6> */#define STAMP_Z_NONE 0#define STAMP_Z_CONST 1#define STAMP_Z_FLAT 2#define STAMP_Z_SMOOTH 3 unsigned xymask_format : 2; /* <9:8> */#define STAMP_XY_NONE 0#define STAMP_XY_PERPACKET 1#define STAMP_XY_PERPRIMITIVE 2 unsigned linewidth_format : 2; /* <11:10> */#define STAMP_LW_NONE 0#define STAMP_LW_PERPACKET 1#define STAMP_LW_PERPRIMITIVE 2#define STAMP_LW_MASK 0x3fff /* 14 bits */ unsigned : 7; /* <18:12> */ unsigned cliprect : 1; /* <19> */ unsigned : 1; /* <20> */ unsigned mesh : 1; /* <21> */ unsigned : 1; /* <22> */ unsigned aa_line : 1; /* <23> */ unsigned : 7; /* <30:24> */ unsigned hs_equals : 1; /* <31> */} stampCmd;#define STAMP_cmd stampCmd /* COMMAND <3:0> */#define CMD_MASK (0xf)#define CMD_POINTS (0)#define CMD_LINES (1)#define CMD_TRIANGLES (2)#define CMD_COPYSPANS (5)#define CMD_READSPANS (6)#define CMD_WRITESPANS (7)#define CMD_VIDEO (8) /* COMMAND <5:4> */#define RGB_MASK (0x30)#define RGB_NONE (0<<4)#define RGB_CONST (1<<4)#define RGB_FLAT (2<<4)#define RGB_SMOOTH (3<<4) /* COMMAND <7:6> */#define Z_MASK (0xc0)#define Z_NONE (0<<6)#define Z_CONST (1<<6)#define Z_FLAT (2<<6)#define Z_SMOOTH (3<<6) /* COMMAND <9:8> */#define XY_MASK (0x300)#define XY_NONE (0<<8)#define XY_PERPKT (1<<8)#define XY_PERPRIM (2<<8) /* COMMAND <11:10> */#define LW_MASK (0xc00)#define LW_NONE (0<<10)#define LW_PERPKT (1<<10)#define LW_PERPRIM (2<<10) /* COMMAND <19> */#define CLIPRECT_MASK (0x80000)#define CLIPRECT (1<<19) /* COMMAND <21> */#define MESH_MASK (0x200000)#define MESH (1<<21) /* COMMAND <23> */#define AA_LINE_MASK (0x800000)#define AA_LINE (1<<23) /* COMMAND <31> */#define HS_EQUALS_MASK (0x80000000)#define HS_EQUALS (1<<31)typedef struct _stamp_zcount { unsigned mask : 24; unsigned count : 8;} stampZCount;#define STAMP_zcount stampZCount#define STAMP_MAX_CMDS ((1<<8)-1)typedef struct _stamp_update { unsigned enable : 1; /* <0> */ unsigned read_buff : 2; /* <2:1> */ unsigned write_buff : 2; /* <4:3> */ unsigned plane : 1; /* <5> */#define STAMP_PLANE_8X3 0#define STAMP_PLANE_24 1 unsigned save_sign : 1; /* <6> */ unsigned save_alpha : 1; /* <7> */ unsigned make_we : 3; /* <10:8> */#define STAMP_WE_SIGN 0x4#define STAMP_WE_XYMASK 0x2#define STAMP_WE_CLIPRECT 0x1#define STAMP_WE_NONE 0x0 unsigned supersample : 1; /* <11> */ unsigned umet : 7; /* <18:12> */#define STAMP_UMET_CLEAR 0x60#define STAMP_UMET_AND 0x14#define STAMP_UMET_ANDREV 0x15#define STAMP_UMET_COPY 0x20#define STAMP_UMET_ANDINV 0x16#define STAMP_UMET_NOOP 0x40#define STAMP_UMET_XOR 0x11#define STAMP_UMET_OR 0x0f#define STAMP_UMET_NOR 0x17#define STAMP_UMET_EQUIV 0x10#define STAMP_UMET_INV 0x4e#define STAMP_UMET_ORREV 0x0e#define STAMP_UMET_COPYINV 0x2d#define STAMP_UMET_ORINV 0x0d#define STAMP_UMET_NAND 0x0c#define STAMP_UMET_SET 0x6c#define STAMP_UMET_SUM 0x00#define STAMP_UMET_DIFF 0x02#define STAMP_UMET_REVDIFF 0x01 unsigned span : 1; /* <19> */ unsigned aligned : 1; /* <20> */ unsigned minmax : 1; /* <21> */ unsigned mult : 1; /* <22> */ unsigned multacc : 1; /* <23> */ unsigned : 3; /* <26:24> */ unsigned halfbuff : 1; /* <27> */ unsigned dblbuff : 3; /* <30:28> */#define STAMP_DB_NONE 0x0#define STAMP_DB_01 0x1#define STAMP_DB_12 0x2#define STAMP_DB_02 0x4 unsigned init : 1; /* <31> */} stampUpdate;#define STAMP_update stampUpdate /* UPDATE{RGB,Z} <0> */#define UPD_ENABLE_MASK (0x1)#define UPD_ENABLE (1) /* UPDATE <2:1> */#define READ_BUFF_MASK (0x6)#define READ_BUFF_0 (0<<1)#define READ_BUFF_1 (1<<1)#define READ_BUFF_2 (2<<1)#define READ_BUFF_3 (3<<1) /* UPDATE <4:3> */#define WRITE_BUFF_MASK (0x18)#define WRITE_BUFF_0 (0<<3)#define WRITE_BUFF_1 (1<<3)#define WRITE_BUFF_2 (2<<3)#define WRITE_BUFF_3 (3<<3) /* UPDATE <5> */#define PLANE_MASK (0x20)#define PLANE_8x3 (0<<5)#define PLANE_24 (1<<5) /* UPDATE <6> */#define SAVE_SIGN_MASK (0x40)#define SAVE_SIGN (1<<6) /* UPDATE <7> */#define SAVE_ALPHA_MASK (0x80)#define SAVE_ALPHA (1<<7) /* UPDATE <10:8> (Indicates how to construct write-enables */#define WE_MASK (0x700)#define WE_CLIPRECT (1<<8)#define WE_XYMASK (2<<8)#define WE_SIGN (4<<8) /* UPDATE <11> */#define SUPERSAMPLE_MASK (0x800)#define SUPERSAMPLE (1<<11) /* UPDATE <18:12> (Update method) /* logical functions */#define UMET_MASK (0x7f000)#define UMET_CLEAR (0x60<<12)#define UMET_AND (0x14<<12)#define UMET_ANDREVERSE (0x15<<12)#define UMET_COPY (0x20<<12)#define UMET_ANDINVERTED (0x16<<12)#define UMET_NOOP (0x40<<12)#define UMET_XOR (0x11<<12)#define UMET_OR (0x0F<<12)#define UMET_NOR (0x17<<12)#define UMET_EQUIV (0x10<<12)#define UMET_INVERT (0x4E<<12)#define UMET_ORREVERSE (0x0E<<12)#define UMET_COPYINVERTED (0x2D<<12)#define UMET_ORINVERTED (0x0D<<12)#define UMET_NAND (0x0C<<12)#define UMET_SET (0x6C<<12) /* arithmetic functions */#define UMET_SUM (0x00<<12)#define UMET_DIFF (0x02<<12)#define UMET_REVDIFF (0x01<<12) /* UPDATE <19> */#define SPAN_MASK (0x80000)#define SPAN (1<<19) /* UPDATE <20> */#define COPYSPAN_ALIGNED_MASK (0x100000)#define COPYSPAN_ALIGNED (1<<20) /* UPDATE <21> */#define MINMAX_MASK (0x200000)#define MINMAX (1<<21) /* UPDATE <22> */#define MULT_MASK (0x400000)#define MULT (1<<22) /* UPDATE <23> */#define MULTACC_MASK (0x800000)#define MULTACC (1<<23) /* UPDATE <27> */#define HALF_BUFF_MASK (0x8000000)#define HALF_BUFF (1<27) /* UPDATE <30:28> */#define DB_MASK (0x70000000) /* for {4,5}x2 only */#define DB_BUFF02_13 (1<<28) /* for {4,5}x1 only */#define DB_BUFF0_1 (1<<28)#define DB_BUFF1_2 (2<<28)#define DB_BUFF0_2 (4<<28) /* UPDATE <31> */#define INITIALIZE_MASK (0x80000000)#define INITIALIZE (1<<31)/* * per-packet context for xymask 16x16 (text - 8x15) * nb: also need per-primitive xymask_addr context. */#ifdef KERNEL#define STAMP_WIDTH (gxp->stamp_width)#define STAMP_HEIGHT (gxp->stamp_height)#endiftypedef short stampXYMask[16];#define STAMP_xymask stampXYMask#define XMASKADDR(startX, A) (((A)-((startX)%STAMP_WIDTH))&0xF)#define YMASKADDR(startY, B) (((B)-((startY)%STAMP_HEIGHT))&0xF)#define XYMASKADDR(X,Y, A,B) \ ( XMASKADDR(X,A) << 16 \ |YMASKADDR(Y,B) )#define CONSXYADDR(X,Y) XYMASKADDR(X,Y, 0,0)/* optional per-packet context: line width xymask cliprect min & max rgb constant z constant * optional per-primitive context: xymask xymask addr prim data (vertices, spans info, video) line width halfspace equals conditions rgb flat, or rgb{1,2,3} smooth z flat, or z{1,2,3} smooth The 3 operations needed for the console are: clear screen (wide line, umet=copy) write text (wide line, umet=copy, xymask) scroll (copy spans, umet=copy) */#define STAMP_GOOD (0)#define STAMP_BUSY (1)#define STAMP_RETRIES (5000) /* = 50 msec */#define STAMP_DELAY (10) /* = 10 usec */#endif /* _STAMP_H_ */⌨️ 快捷键说明
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