diff options
Diffstat (limited to 'hw/display/cirrus_vga_rop.h')
| -rw-r--r-- | hw/display/cirrus_vga_rop.h | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/hw/display/cirrus_vga_rop.h b/hw/display/cirrus_vga_rop.h new file mode 100644 index 0000000000..9c7bb09286 --- /dev/null +++ b/hw/display/cirrus_vga_rop.h @@ -0,0 +1,208 @@ +/* + * 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)(uint8_t *dst, uint8_t src) +{ + *dst = ROP_FN(*dst, src); +} + +static inline void glue(rop_16_,ROP_NAME)(uint16_t *dst, uint16_t src) +{ + *dst = ROP_FN(*dst, src); +} + +static inline void glue(rop_32_,ROP_NAME)(uint32_t *dst, uint32_t src) +{ + *dst = ROP_FN(*dst, src); +} + +#define ROP_OP(d, s) glue(rop_8_,ROP_NAME)(d, s) +#define ROP_OP_16(d, s) glue(rop_16_,ROP_NAME)(d, s) +#define ROP_OP_32(d, s) glue(rop_32_,ROP_NAME)(d, s) +#undef ROP_FN + +static void +glue(cirrus_bitblt_rop_fwd_, ROP_NAME)(CirrusVGAState *s, + uint8_t *dst,const uint8_t *src, + int dstpitch,int srcpitch, + int bltwidth,int bltheight) +{ + int x,y; + dstpitch -= bltwidth; + srcpitch -= bltwidth; + + if (dstpitch < 0 || srcpitch < 0) { + /* is 0 valid? srcpitch == 0 could be useful */ + return; + } + + for (y = 0; y < bltheight; y++) { + for (x = 0; x < bltwidth; x++) { + ROP_OP(dst, *src); + dst++; + src++; + } + dst += dstpitch; + src += srcpitch; + } +} + +static void +glue(cirrus_bitblt_rop_bkwd_, ROP_NAME)(CirrusVGAState *s, + uint8_t *dst,const uint8_t *src, + 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(dst, *src); + dst--; + src--; + } + dst += dstpitch; + src += srcpitch; + } +} + +static void +glue(glue(cirrus_bitblt_rop_fwd_transp_, ROP_NAME),_8)(CirrusVGAState *s, + uint8_t *dst,const uint8_t *src, + int dstpitch,int srcpitch, + int bltwidth,int bltheight) +{ + int x,y; + uint8_t p; + dstpitch -= bltwidth; + srcpitch -= bltwidth; + for (y = 0; y < bltheight; y++) { + for (x = 0; x < bltwidth; x++) { + p = *dst; + ROP_OP(&p, *src); + if (p != s->vga.gr[0x34]) *dst = p; + dst++; + src++; + } + dst += dstpitch; + src += srcpitch; + } +} + +static void +glue(glue(cirrus_bitblt_rop_bkwd_transp_, ROP_NAME),_8)(CirrusVGAState *s, + uint8_t *dst,const uint8_t *src, + int dstpitch,int srcpitch, + int bltwidth,int bltheight) +{ + int x,y; + uint8_t p; + dstpitch += bltwidth; + srcpitch += bltwidth; + for (y = 0; y < bltheight; y++) { + for (x = 0; x < bltwidth; x++) { + p = *dst; + ROP_OP(&p, *src); + if (p != s->vga.gr[0x34]) *dst = p; + dst--; + src--; + } + dst += dstpitch; + src += srcpitch; + } +} + +static void +glue(glue(cirrus_bitblt_rop_fwd_transp_, ROP_NAME),_16)(CirrusVGAState *s, + uint8_t *dst,const uint8_t *src, + int dstpitch,int srcpitch, + int bltwidth,int bltheight) +{ + int x,y; + uint8_t p1, p2; + dstpitch -= bltwidth; + srcpitch -= bltwidth; + for (y = 0; y < bltheight; y++) { + for (x = 0; x < bltwidth; x+=2) { + p1 = *dst; + p2 = *(dst+1); + ROP_OP(&p1, *src); + ROP_OP(&p2, *(src + 1)); + if ((p1 != s->vga.gr[0x34]) || (p2 != s->vga.gr[0x35])) { + *dst = p1; + *(dst+1) = p2; + } + dst+=2; + src+=2; + } + dst += dstpitch; + src += srcpitch; + } +} + +static void +glue(glue(cirrus_bitblt_rop_bkwd_transp_, ROP_NAME),_16)(CirrusVGAState *s, + uint8_t *dst,const uint8_t *src, + int dstpitch,int srcpitch, + int bltwidth,int bltheight) +{ + int x,y; + uint8_t p1, p2; + dstpitch += bltwidth; + srcpitch += bltwidth; + for (y = 0; y < bltheight; y++) { + for (x = 0; x < bltwidth; x+=2) { + p1 = *(dst-1); + p2 = *dst; + ROP_OP(&p1, *(src - 1)); + ROP_OP(&p2, *src); + if ((p1 != s->vga.gr[0x34]) || (p2 != s->vga.gr[0x35])) { + *(dst-1) = p1; + *dst = p2; + } + dst-=2; + src-=2; + } + dst += dstpitch; + src += 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 |