/*
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/*
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* Copyright (c) 1999, 2000, 2001 Greg Haerr <greg@censoft.com>
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* Copyright (c) 1999, 2000, 2001 Greg Haerr <greg@censoft.com>
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*
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*
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* Framebuffer drivers header file for Microwindows Screen Drivers
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* Framebuffer drivers header file for Microwindows Screen Drivers
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*/
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*/
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/* Linux framebuffer critical sections*/
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/* Linux framebuffer critical sections*/
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#if VTSWITCH
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#if VTSWITCH
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extern volatile int mwdrawing;
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extern volatile int mwdrawing;
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#define DRAWON ++mwdrawing
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#define DRAWON ++mwdrawing
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#define DRAWOFF --mwdrawing
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#define DRAWOFF --mwdrawing
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#else
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#else
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#define DRAWON
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#define DRAWON
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#define DRAWOFF
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#define DRAWOFF
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#endif
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#endif
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typedef unsigned char * ADDR8;
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typedef unsigned char * ADDR8;
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typedef unsigned short * ADDR16;
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typedef unsigned short * ADDR16;
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typedef unsigned long * ADDR32;
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typedef unsigned long * ADDR32;
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/* ROP macro for 16 drawing modes*/
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/* ROP macro for 16 drawing modes*/
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#define CHECK(f,d)
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#define CHECK(f,d)
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/* applyOp w/stored dst*/
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/* applyOp w/stored dst*/
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#define applyOp(op, src, pdst, type) \
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#define applyOp(op, src, pdst, type) \
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{ \
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{ \
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type d = (pdst); \
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type d = (pdst); \
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switch (op) { \
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switch (op) { \
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case MWMODE_XOR: \
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case MWMODE_XOR: \
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*d ^= (src); \
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*d ^= (src); \
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CHECK("XOR", *d); \
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CHECK("XOR", *d); \
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break; \
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break; \
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case MWMODE_AND: \
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case MWMODE_AND: \
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*d &= (src); \
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*d &= (src); \
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CHECK("AND", *d); \
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CHECK("AND", *d); \
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break; \
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break; \
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case MWMODE_OR: \
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case MWMODE_OR: \
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*d |= (src); \
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*d |= (src); \
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CHECK("OR", *d); \
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CHECK("OR", *d); \
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break; \
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break; \
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case MWMODE_CLEAR: \
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case MWMODE_CLEAR: \
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*d = 0; \
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*d = 0; \
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CHECK("CLEAR", *d); \
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CHECK("CLEAR", *d); \
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break; \
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break; \
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case MWMODE_SETTO1: \
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case MWMODE_SETTO1: \
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*d = -1; \
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*d = -1; \
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CHECK("SETTO1", *d); \
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CHECK("SETTO1", *d); \
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break; \
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break; \
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case MWMODE_EQUIV: \
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case MWMODE_EQUIV: \
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*d = ~(*d ^ (src)); \
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*d = ~(*d ^ (src)); \
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CHECK("EQUIV", *d); \
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CHECK("EQUIV", *d); \
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break; \
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break; \
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case MWMODE_NOR: \
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case MWMODE_NOR: \
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*d = ~(*d | (src)); \
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*d = ~(*d | (src)); \
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CHECK("NOR", *d); \
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CHECK("NOR", *d); \
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break; \
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break; \
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case MWMODE_NAND: \
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case MWMODE_NAND: \
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*d = ~(*d & (src)); \
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*d = ~(*d & (src)); \
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CHECK("NAND", *d); \
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CHECK("NAND", *d); \
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break; \
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break; \
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case MWMODE_INVERT: \
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case MWMODE_INVERT: \
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*d = ~*d; \
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*d = ~*d; \
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CHECK("INVERT", *d); \
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CHECK("INVERT", *d); \
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break; \
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break; \
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case MWMODE_COPYINVERTED: \
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case MWMODE_COPYINVERTED: \
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*d = ~(src); \
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*d = ~(src); \
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CHECK("COPYINVERTED", *d); \
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CHECK("COPYINVERTED", *d); \
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break; \
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break; \
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case MWMODE_ORINVERTED: \
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case MWMODE_ORINVERTED: \
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*d |= ~(src); \
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*d |= ~(src); \
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CHECK("ORINVERTED", *d); \
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CHECK("ORINVERTED", *d); \
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break; \
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break; \
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case MWMODE_ANDINVERTED: \
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case MWMODE_ANDINVERTED: \
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*d &= ~(src); \
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*d &= ~(src); \
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CHECK("ANDINVERTED", *d); \
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CHECK("ANDINVERTED", *d); \
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break; \
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break; \
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case MWMODE_ORREVERSE: \
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case MWMODE_ORREVERSE: \
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*d = ~*d | (src); \
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*d = ~*d | (src); \
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CHECK("ORREVERSE", *d); \
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CHECK("ORREVERSE", *d); \
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break; \
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break; \
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case MWMODE_ANDREVERSE: \
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case MWMODE_ANDREVERSE: \
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*d = ~*d & (src); \
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*d = ~*d & (src); \
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CHECK("ANDREVERSE", *d); \
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CHECK("ANDREVERSE", *d); \
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break; \
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break; \
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case MWMODE_COPY: \
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case MWMODE_COPY: \
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*d = (src); \
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*d = (src); \
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CHECK("COPY", *d); \
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CHECK("COPY", *d); \
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break; \
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break; \
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case MWMODE_NOOP: \
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case MWMODE_NOOP: \
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CHECK("NOOP", *d); \
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CHECK("NOOP", *d); \
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break; \
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break; \
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} \
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} \
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}
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}
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/* applyOp w/return value*/
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/* applyOp w/return value*/
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#define DEFINE_applyOpR \
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#define DEFINE_applyOpR \
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static inline int applyOpR(op, src, dst) \
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static inline int applyOpR(op, src, dst) \
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{ \
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{ \
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switch (op) { \
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switch (op) { \
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case MWMODE_XOR: \
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case MWMODE_XOR: \
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return (src) ^ (dst); \
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return (src) ^ (dst); \
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case MWMODE_AND: \
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case MWMODE_AND: \
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return (src) & (dst); \
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return (src) & (dst); \
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case MWMODE_OR: \
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case MWMODE_OR: \
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return (src) | (dst); \
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return (src) | (dst); \
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case MWMODE_CLEAR: \
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case MWMODE_CLEAR: \
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return 0; \
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return 0; \
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case MWMODE_SETTO1: \
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case MWMODE_SETTO1: \
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return -1; \
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return -1; \
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case MWMODE_EQUIV: \
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case MWMODE_EQUIV: \
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return ~((src) ^ (dst)); \
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return ~((src) ^ (dst)); \
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case MWMODE_NOR: \
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case MWMODE_NOR: \
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return ~((src) | (dst)); \
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return ~((src) | (dst)); \
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case MWMODE_NAND: \
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case MWMODE_NAND: \
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return ~((src) & (dst)); \
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return ~((src) & (dst)); \
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case MWMODE_INVERT: \
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case MWMODE_INVERT: \
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return ~(dst); \
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return ~(dst); \
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case MWMODE_COPYINVERTED: \
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case MWMODE_COPYINVERTED: \
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return ~(src); \
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return ~(src); \
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case MWMODE_ORINVERTED: \
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case MWMODE_ORINVERTED: \
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return ~(src) | (dst); \
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return ~(src) | (dst); \
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case MWMODE_ANDINVERTED: \
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case MWMODE_ANDINVERTED: \
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return ~(src) & (dst); \
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return ~(src) & (dst); \
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case MWMODE_ORREVERSE: \
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case MWMODE_ORREVERSE: \
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return (src) | ~(dst); \
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return (src) | ~(dst); \
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case MWMODE_ANDREVERSE: \
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case MWMODE_ANDREVERSE: \
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return (src) & ~(dst); \
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return (src) & ~(dst); \
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case MWMODE_COPY: \
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case MWMODE_COPY: \
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return (src); \
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return (src); \
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case MWMODE_NOOP: \
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case MWMODE_NOOP: \
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default: \
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default: \
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return (dst); \
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return (dst); \
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} \
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} \
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}
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}
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/* global vars*/
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/* global vars*/
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extern int gr_mode; /* temp kluge*/
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extern int gr_mode; /* temp kluge*/
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/* entry points*/
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/* entry points*/
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/* scr_fb.c*/
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/* scr_fb.c*/
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void ioctl_getpalette(int start, int len, short *red, short *green,short *blue);
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void ioctl_getpalette(int start, int len, short *red, short *green,short *blue);
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void ioctl_setpalette(int start, int len, short *red, short *green,short *blue);
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void ioctl_setpalette(int start, int len, short *red, short *green,short *blue);
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/* genmem.c*/
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/* genmem.c*/
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void gen_fillrect(PSD psd,MWCOORD x1,MWCOORD y1,MWCOORD x2,MWCOORD y2,
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void gen_fillrect(PSD psd,MWCOORD x1,MWCOORD y1,MWCOORD x2,MWCOORD y2,
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MWPIXELVAL c);
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MWPIXELVAL c);
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MWBOOL set_subdriver(PSD psd, PSUBDRIVER subdriver, MWBOOL init);
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MWBOOL set_subdriver(PSD psd, PSUBDRIVER subdriver, MWBOOL init);
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void get_subdriver(PSD psd, PSUBDRIVER subdriver);
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void get_subdriver(PSD psd, PSUBDRIVER subdriver);
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/* fb.c*/
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/* fb.c*/
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PSUBDRIVER select_fb_subdriver(PSD psd);
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PSUBDRIVER select_fb_subdriver(PSD psd);
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