gwj / at91sam9263 · Commits

Commit ad81218e40e27d79e1021c248cf16ca269d963df

Authored by bellard
1 parent e4afee97

depth=24 write mask fix (Volker Ruppert) 


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1404 c046a42c-6fe2-441c-8c8c-71466251a162
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Showing 2 changed files with 15 additions and 1 deletions
hw/cirrus_vga.c
  View file @ad81218
... ... @@ -31,7 +31,7 @@
31 31  
32 32 /*
33 33 * TODO:
34   - * - add support for WRITEMASK (GR2F)
  34 + * - destination write mask support not complete (bits 5..7)
35 35 * - optimize linear mappings
36 36 * - optimize bitblt functions
37 37 */
... ...
hw/cirrus_vga_rop2.h
  View file @ad81218
... ... @@ -47,7 +47,11 @@ glue(glue(glue(cirrus_patternfill_, ROP_NAME), _),DEPTH)
47 47 int x, y, pattern_y, pattern_pitch, pattern_x;
48 48 unsigned int col;
49 49 const uint8_t *src1;
  50 +#if DEPTH == 24
  51 + int skipleft = s->gr[0x2f] & 0x1f;
  52 +#else
50 53 int skipleft = (s->gr[0x2f] & 0x07) * (DEPTH / 8);
  54 +#endif
51 55  
52 56 #if DEPTH == 8
53 57 pattern_pitch = 8;
... ... @@ -100,8 +104,13 @@ glue(glue(glue(cirrus_colorexpand_transp_, ROP_NAME), _),DEPTH)
100 104 unsigned int col;
101 105 unsigned bitmask;
102 106 unsigned index;
  107 +#if DEPTH == 24
  108 + int dstskipleft = s->gr[0x2f] & 0x1f;
  109 + int srcskipleft = dstskipleft / 3;
  110 +#else
103 111 int srcskipleft = s->gr[0x2f] & 0x07;
104 112 int dstskipleft = srcskipleft * (DEPTH / 8);
  113 +#endif
105 114  
106 115 if (s->cirrus_blt_modeext & CIRRUS_BLTMODEEXT_COLOREXPINV) {
107 116 bits_xor = 0xff;
... ... @@ -178,8 +187,13 @@ glue(glue(glue(cirrus_colorexpand_pattern_transp_, ROP_NAME), _),DEPTH)
178 187 int x, y, bitpos, pattern_y;
179 188 unsigned int bits, bits_xor;
180 189 unsigned int col;
  190 +#if DEPTH == 24
  191 + int dstskipleft = s->gr[0x2f] & 0x1f;
  192 + int srcskipleft = dstskipleft / 3;
  193 +#else
181 194 int srcskipleft = s->gr[0x2f] & 0x07;
182 195 int dstskipleft = srcskipleft * (DEPTH / 8);
  196 +#endif
183 197  
184 198 if (s->cirrus_blt_modeext & CIRRUS_BLTMODEEXT_COLOREXPINV) {
185 199 bits_xor = 0xff;
... ...