/* * QEMU Cirrus CLGD 54xx VGA Emulator. * * Copyright (c) 2004 Fabrice Bellard * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ static inline void glue(rop_8_, ROP_NAME)(CirrusVGAState *s, uint32_t dstaddr, uint8_t src) { uint8_t *dst = &s->vga.vram_ptr[dstaddr & s->cirrus_addr_mask]; *dst = ROP_FN(*dst, src); } static inline void glue(rop_tr_8_, ROP_NAME)(CirrusVGAState *s, uint32_t dstaddr, uint8_t src, uint8_t transp) { uint8_t *dst = &s->vga.vram_ptr[dstaddr & s->cirrus_addr_mask]; uint8_t pixel = ROP_FN(*dst, src); if (pixel != transp) { *dst = pixel; } } static inline void glue(rop_16_, ROP_NAME)(CirrusVGAState *s, uint32_t dstaddr, uint16_t src) { uint16_t *dst = (uint16_t *) (&s->vga.vram_ptr[dstaddr & s->cirrus_addr_mask & ~1]); *dst = ROP_FN(*dst, src); } static inline void glue(rop_tr_16_, ROP_NAME)(CirrusVGAState *s, uint32_t dstaddr, uint16_t src, uint16_t transp) { uint16_t *dst = (uint16_t *) (&s->vga.vram_ptr[dstaddr & s->cirrus_addr_mask & ~1]); uint16_t pixel = ROP_FN(*dst, src); if (pixel != transp) { *dst = pixel; } } static inline void glue(rop_32_, ROP_NAME)(CirrusVGAState *s, uint32_t dstaddr, uint32_t src) { uint32_t *dst = (uint32_t *) (&s->vga.vram_ptr[dstaddr & s->cirrus_addr_mask & ~3]); *dst = ROP_FN(*dst, src); } #define ROP_OP(st, d, s) glue(rop_8_, ROP_NAME)(st, d, s) #define ROP_OP_TR(st, d, s, t) glue(rop_tr_8_, ROP_NAME)(st, d, s, t) #define ROP_OP_16(st, d, s) glue(rop_16_, ROP_NAME)(st, d, s) #define ROP_OP_TR_16(st, d, s, t) glue(rop_tr_16_, ROP_NAME)(st, d, s, t) #define ROP_OP_32(st, d, s) glue(rop_32_, ROP_NAME)(st, d, s) #undef ROP_FN static void glue(cirrus_bitblt_rop_fwd_, ROP_NAME)(CirrusVGAState *s, uint32_t dstaddr, uint32_t srcaddr, int dstpitch, int srcpitch, int bltwidth, int bltheight) { int x,y; dstpitch -= bltwidth; srcpitch -= bltwidth; if (bltheight > 1 && (dstpitch < 0 || srcpitch < 0)) { return; } for (y = 0; y < bltheight; y++) { for (x = 0; x < bltwidth; x++) { ROP_OP(s, dstaddr, cirrus_src(s, srcaddr)); dstaddr++; srcaddr++; } dstaddr += dstpitch; srcaddr += srcpitch; } } static void glue(cirrus_bitblt_rop_bkwd_, ROP_NAME)(CirrusVGAState *s, uint32_t dstaddr, uint32_t srcaddr, int dstpitch, int srcpitch, int bltwidth, int bltheight) { int x,y; dstpitch += bltwidth; srcpitch += bltwidth; for (y = 0; y < bltheight; y++) { for (x = 0; x < bltwidth; x++) { ROP_OP(s, dstaddr, cirrus_src(s, srcaddr)); dstaddr--; srcaddr--; } dstaddr += dstpitch; srcaddr += srcpitch; } } static void glue(glue(cirrus_bitblt_rop_fwd_transp_, ROP_NAME),_8)(CirrusVGAState *s, uint32_t dstaddr, uint32_t srcaddr, int dstpitch, int srcpitch, int bltwidth, int bltheight) { int x,y; uint8_t transp = s->vga.gr[0x34]; dstpitch -= bltwidth; srcpitch -= bltwidth; if (bltheight > 1 && (dstpitch < 0 || srcpitch < 0)) { return; } for (y = 0; y < bltheight; y++) { for (x = 0; x < bltwidth; x++) { ROP_OP_TR(s, dstaddr, cirrus_src(s, srcaddr), transp); dstaddr++; srcaddr++; } dstaddr += dstpitch; srcaddr += srcpitch; } } static void glue(glue(cirrus_bitblt_rop_bkwd_transp_, ROP_NAME),_8)(CirrusVGAState *s, uint32_t dstaddr, uint32_t srcaddr, int dstpitch, int srcpitch, int bltwidth, int bltheight) { int x,y; uint8_t transp = s->vga.gr[0x34]; dstpitch += bltwidth; srcpitch += bltwidth; for (y = 0; y < bltheight; y++) { for (x = 0; x < bltwidth; x++) { ROP_OP_TR(s, dstaddr, cirrus_src(s, srcaddr), transp); dstaddr--; srcaddr--; } dstaddr += dstpitch; srcaddr += srcpitch; } } static void glue(glue(cirrus_bitblt_rop_fwd_transp_, ROP_NAME),_16)(CirrusVGAState *s, uint32_t dstaddr, uint32_t srcaddr, int dstpitch, int srcpitch, int bltwidth, int bltheight) { int x,y; uint16_t transp = s->vga.gr[0x34] | (uint16_t)s->vga.gr[0x35] << 8; dstpitch -= bltwidth; srcpitch -= bltwidth; if (bltheight > 1 && (dstpitch < 0 || srcpitch < 0)) { return; } for (y = 0; y < bltheight; y++) { for (x = 0; x < bltwidth; x+=2) { ROP_OP_TR_16(s, dstaddr, cirrus_src16(s, srcaddr), transp); dstaddr += 2; srcaddr += 2; } dstaddr += dstpitch; srcaddr += srcpitch; } } static void glue(glue(cirrus_bitblt_rop_bkwd_transp_, ROP_NAME),_16)(CirrusVGAState *s, uint32_t dstaddr, uint32_t srcaddr, int dstpitch, int srcpitch, int bltwidth, int bltheight) { int x,y; uint16_t transp = s->vga.gr[0x34] | (uint16_t)s->vga.gr[0x35] << 8; dstpitch += bltwidth; srcpitch += bltwidth; for (y = 0; y < bltheight; y++) { for (x = 0; x < bltwidth; x+=2) { ROP_OP_TR_16(s, dstaddr - 1, cirrus_src16(s, srcaddr - 1), transp); dstaddr -= 2; srcaddr -= 2; } dstaddr += dstpitch; srcaddr += srcpitch; } } #define DEPTH 8 #include "cirrus_vga_rop2.h" #define DEPTH 16 #include "cirrus_vga_rop2.h" #define DEPTH 24 #include "cirrus_vga_rop2.h" #define DEPTH 32 #include "cirrus_vga_rop2.h" #undef ROP_NAME #undef ROP_OP #undef ROP_OP_16 #undef ROP_OP_32