gwj / at91sam9263 · Commits

Commit 96cf2df87cf9e3c39b147ee85b2e90d3620bdd41

Authored by ths
1 parent 2bb081f7

Cirrus transparent BITBLT (w/o color expand), by Hitoshi Osada. 


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3101 c046a42c-6fe2-441c-8c8c-71466251a162
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Showing 2 changed files with 172 additions and 10 deletions
hw/cirrus_vga.c
  View file @96cf2df
... ... @@ -402,7 +402,54 @@ static const cirrus_bitblt_rop_t cirrus_bkwd_rop[16] = {
402 402 cirrus_bitblt_rop_bkwd_notsrc_or_dst,
403 403 cirrus_bitblt_rop_bkwd_notsrc_and_notdst,
404 404 };
405   -
  405 +
  406 +#define TRANSP_ROP(name) {\
  407 + name ## _8,\
  408 + name ## _16,\
  409 + }
  410 +#define TRANSP_NOP(func) {\
  411 + func,\
  412 + func,\
  413 + }
  414 +
  415 +static const cirrus_bitblt_rop_t cirrus_fwd_transp_rop[16][2] = {
  416 + TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_0),
  417 + TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_src_and_dst),
  418 + TRANSP_NOP(cirrus_bitblt_rop_nop),
  419 + TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_src_and_notdst),
  420 + TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_notdst),
  421 + TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_src),
  422 + TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_1),
  423 + TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_notsrc_and_dst),
  424 + TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_src_xor_dst),
  425 + TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_src_or_dst),
  426 + TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_notsrc_or_notdst),
  427 + TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_src_notxor_dst),
  428 + TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_src_or_notdst),
  429 + TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_notsrc),
  430 + TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_notsrc_or_dst),
  431 + TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_notsrc_and_notdst),
  432 +};
  433 +
  434 +static const cirrus_bitblt_rop_t cirrus_bkwd_transp_rop[16][2] = {
  435 + TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_0),
  436 + TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_src_and_dst),
  437 + TRANSP_NOP(cirrus_bitblt_rop_nop),
  438 + TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_src_and_notdst),
  439 + TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_notdst),
  440 + TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_src),
  441 + TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_1),
  442 + TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_notsrc_and_dst),
  443 + TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_src_xor_dst),
  444 + TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_src_or_dst),
  445 + TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_notsrc_or_notdst),
  446 + TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_src_notxor_dst),
  447 + TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_src_or_notdst),
  448 + TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_notsrc),
  449 + TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_notsrc_or_dst),
  450 + TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_notsrc_and_notdst),
  451 +};
  452 +
406 453 #define ROP2(name) {\
407 454 name ## _8,\
408 455 name ## _16,\
... ... @@ -950,15 +997,28 @@ static void cirrus_bitblt_start(CirrusVGAState * s)
950 997 s->cirrus_rop = cirrus_patternfill[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1];
951 998 }
952 999 } else {
953   - if (s->cirrus_blt_mode & CIRRUS_BLTMODE_BACKWARDS) {
954   - s->cirrus_blt_dstpitch = -s->cirrus_blt_dstpitch;
955   - s->cirrus_blt_srcpitch = -s->cirrus_blt_srcpitch;
956   - s->cirrus_rop = cirrus_bkwd_rop[rop_to_index[blt_rop]];
957   - } else {
958   - s->cirrus_rop = cirrus_fwd_rop[rop_to_index[blt_rop]];
959   - }
960   - }
961   -
  1000 + if (s->cirrus_blt_mode & CIRRUS_BLTMODE_TRANSPARENTCOMP) {
  1001 + if (s->cirrus_blt_pixelwidth > 2) {
  1002 + printf("src transparent without colorexpand must be 8bpp or 16bpp\n");
  1003 + goto bitblt_ignore;
  1004 + }
  1005 + if (s->cirrus_blt_mode & CIRRUS_BLTMODE_BACKWARDS) {
  1006 + s->cirrus_blt_dstpitch = -s->cirrus_blt_dstpitch;
  1007 + s->cirrus_blt_srcpitch = -s->cirrus_blt_srcpitch;
  1008 + s->cirrus_rop = cirrus_bkwd_transp_rop[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1];
  1009 + } else {
  1010 + s->cirrus_rop = cirrus_fwd_transp_rop[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1];
  1011 + }
  1012 + } else {
  1013 + if (s->cirrus_blt_mode & CIRRUS_BLTMODE_BACKWARDS) {
  1014 + s->cirrus_blt_dstpitch = -s->cirrus_blt_dstpitch;
  1015 + s->cirrus_blt_srcpitch = -s->cirrus_blt_srcpitch;
  1016 + s->cirrus_rop = cirrus_bkwd_rop[rop_to_index[blt_rop]];
  1017 + } else {
  1018 + s->cirrus_rop = cirrus_fwd_rop[rop_to_index[blt_rop]];
  1019 + }
  1020 + }
  1021 + }
962 1022 // setup bitblt engine.
963 1023 if (s->cirrus_blt_mode & CIRRUS_BLTMODE_MEMSYSSRC) {
964 1024 if (!cirrus_bitblt_cputovideo(s))
... ...
hw/cirrus_vga_rop.h
  View file @96cf2df
... ... @@ -62,6 +62,108 @@ glue(cirrus_bitblt_rop_bkwd_, ROP_NAME)(CirrusVGAState *s,
62 62 }
63 63 }
64 64  
  65 +static void
  66 +glue(glue(cirrus_bitblt_rop_fwd_transp_, ROP_NAME),_8)(CirrusVGAState *s,
  67 + uint8_t *dst,const uint8_t *src,
  68 + int dstpitch,int srcpitch,
  69 + int bltwidth,int bltheight)
  70 +{
  71 + int x,y;
  72 + uint8_t p;
  73 + dstpitch -= bltwidth;
  74 + srcpitch -= bltwidth;
  75 + for (y = 0; y < bltheight; y++) {
  76 + for (x = 0; x < bltwidth; x++) {
  77 + p = *dst;
  78 + ROP_OP(p, *src);
  79 + if (p != s->gr[0x34]) *dst = p;
  80 + dst++;
  81 + src++;
  82 + }
  83 + dst += dstpitch;
  84 + src += srcpitch;
  85 + }
  86 +}
  87 +
  88 +static void
  89 +glue(glue(cirrus_bitblt_rop_bkwd_transp_, ROP_NAME),_8)(CirrusVGAState *s,
  90 + uint8_t *dst,const uint8_t *src,
  91 + int dstpitch,int srcpitch,
  92 + int bltwidth,int bltheight)
  93 +{
  94 + int x,y;
  95 + uint8_t p;
  96 + dstpitch += bltwidth;
  97 + srcpitch += bltwidth;
  98 + for (y = 0; y < bltheight; y++) {
  99 + for (x = 0; x < bltwidth; x++) {
  100 + p = *dst;
  101 + ROP_OP(p, *src);
  102 + if (p != s->gr[0x34]) *dst = p;
  103 + dst--;
  104 + src--;
  105 + }
  106 + dst += dstpitch;
  107 + src += srcpitch;
  108 + }
  109 +}
  110 +
  111 +static void
  112 +glue(glue(cirrus_bitblt_rop_fwd_transp_, ROP_NAME),_16)(CirrusVGAState *s,
  113 + uint8_t *dst,const uint8_t *src,
  114 + int dstpitch,int srcpitch,
  115 + int bltwidth,int bltheight)
  116 +{
  117 + int x,y;
  118 + uint8_t p1, p2;
  119 + dstpitch -= bltwidth;
  120 + srcpitch -= bltwidth;
  121 + for (y = 0; y < bltheight; y++) {
  122 + for (x = 0; x < bltwidth; x+=2) {
  123 + p1 = *dst;
  124 + p2 = *(dst+1);
  125 + ROP_OP(p1, *src);
  126 + ROP_OP(p2, *(src+1));
  127 + if ((p1 != s->gr[0x34]) || (p2 != s->gr[0x35])) {
  128 + *dst = p1;
  129 + *(dst+1) = p2;
  130 + }
  131 + dst+=2;
  132 + src+=2;
  133 + }
  134 + dst += dstpitch;
  135 + src += srcpitch;
  136 + }
  137 +}
  138 +
  139 +static void
  140 +glue(glue(cirrus_bitblt_rop_bkwd_transp_, ROP_NAME),_16)(CirrusVGAState *s,
  141 + uint8_t *dst,const uint8_t *src,
  142 + int dstpitch,int srcpitch,
  143 + int bltwidth,int bltheight)
  144 +{
  145 + int x,y;
  146 + uint8_t p1, p2;
  147 + dstpitch += bltwidth;
  148 + srcpitch += bltwidth;
  149 + for (y = 0; y < bltheight; y++) {
  150 + for (x = 0; x < bltwidth; x+=2) {
  151 + p1 = *(dst-1);
  152 + p2 = *dst;
  153 + ROP_OP(p1, *(src-1));
  154 + ROP_OP(p2, *src);
  155 + if ((p1 != s->gr[0x34]) || (p2 != s->gr[0x35])) {
  156 + *(dst-1) = p1;
  157 + *dst = p2;
  158 + }
  159 + dst-=2;
  160 + src-=2;
  161 + }
  162 + dst += dstpitch;
  163 + src += srcpitch;
  164 + }
  165 +}
  166 +
65 167 #define DEPTH 8
66 168 #include "cirrus_vga_rop2.h"
67 169  
... ...