| 140 |
|
static Visual *vis; |
| 141 |
|
static int color_class; |
| 142 |
|
|
| 143 |
+ |
static bool x_native_byte_order; // XImage has native byte order? |
| 144 |
|
static int rshift, rloss, gshift, gloss, bshift, bloss; // Pixel format of DirectColor/TrueColor modes |
| 145 |
|
|
| 146 |
|
static Colormap cmap[2] = {0, 0}; // Colormaps for indexed modes (DGA needs two of them) |
| 147 |
|
|
| 148 |
< |
static XColor x_palette[256]; // Color palette to be used as CLUT and gamma table |
| 148 |
> |
static XColor x_palette[256]; // Color palette to be used as CLUT and gamma table |
| 149 |
|
static bool x_palette_changed = false; // Flag: Palette changed, redraw thread must set new colors |
| 150 |
|
|
| 151 |
|
#ifdef ENABLE_FBDEV_DGA |
| 194 |
|
// From main_unix.cpp |
| 195 |
|
extern char *x_display_name; |
| 196 |
|
extern Display *x_display; |
| 196 |
– |
extern void *vm_acquire_mac(size_t size); |
| 197 |
|
|
| 198 |
|
// From sys_unix.cpp |
| 199 |
|
extern void SysMountFirstFloppy(void); |
| 254 |
|
} |
| 255 |
|
|
| 256 |
|
// Map RGB color to pixel value (this only works in TrueColor/DirectColor visuals) |
| 257 |
< |
static inline uint32 map_rgb(uint8 red, uint8 green, uint8 blue) |
| 257 |
> |
static inline uint32 map_rgb(uint8 red, uint8 green, uint8 blue, bool fix_byte_order = false) |
| 258 |
|
{ |
| 259 |
< |
return ((red >> rloss) << rshift) | ((green >> gloss) << gshift) | ((blue >> bloss) << bshift); |
| 259 |
> |
uint32 val = ((red >> rloss) << rshift) | ((green >> gloss) << gshift) | ((blue >> bloss) << bshift); |
| 260 |
> |
if (fix_byte_order && !x_native_byte_order) { |
| 261 |
> |
// We have to fix byte order in the ExpandMap[] |
| 262 |
> |
// NOTE: this is only an optimization since Screen_blitter_init() |
| 263 |
> |
// could be arranged to choose an NBO or OBO (with |
| 264 |
> |
// byteswapping) Blit_Expand_X_To_Y() function |
| 265 |
> |
switch (visualFormat.depth) { |
| 266 |
> |
case 15: case 16: |
| 267 |
> |
val = do_byteswap_16(val); |
| 268 |
> |
break; |
| 269 |
> |
case 24: case 32: |
| 270 |
> |
val = do_byteswap_32(val); |
| 271 |
> |
break; |
| 272 |
> |
} |
| 273 |
> |
} |
| 274 |
> |
return val; |
| 275 |
|
} |
| 276 |
|
|
| 277 |
|
// Do we have a visual for handling the specified Mac depth? If so, set the |
| 497 |
|
|
| 498 |
|
|
| 499 |
|
/* |
| 500 |
+ |
* Framebuffer allocation routines |
| 501 |
+ |
*/ |
| 502 |
+ |
|
| 503 |
+ |
#ifdef ENABLE_VOSF |
| 504 |
+ |
#include "vm_alloc.h" |
| 505 |
+ |
|
| 506 |
+ |
static void *vm_acquire_framebuffer(uint32 size) |
| 507 |
+ |
{ |
| 508 |
+ |
// always try to allocate framebuffer at the same address |
| 509 |
+ |
static void *fb = VM_MAP_FAILED; |
| 510 |
+ |
if (fb != VM_MAP_FAILED) { |
| 511 |
+ |
if (vm_acquire_fixed(fb, size) < 0) |
| 512 |
+ |
fb = VM_MAP_FAILED; |
| 513 |
+ |
} |
| 514 |
+ |
if (fb == VM_MAP_FAILED) |
| 515 |
+ |
fb = vm_acquire(size, VM_MAP_DEFAULT | VM_MAP_32BIT); |
| 516 |
+ |
return fb; |
| 517 |
+ |
} |
| 518 |
+ |
|
| 519 |
+ |
static inline void vm_release_framebuffer(void *fb, uint32 size) |
| 520 |
+ |
{ |
| 521 |
+ |
vm_release(fb, size); |
| 522 |
+ |
} |
| 523 |
+ |
#endif |
| 524 |
+ |
|
| 525 |
+ |
|
| 526 |
+ |
/* |
| 527 |
|
* Display "driver" classes |
| 528 |
|
*/ |
| 529 |
|
|
| 658 |
|
// the_buffer shall always be mapped through vm_acquire() so that we can vm_protect() it at will |
| 659 |
|
if (the_buffer != VM_MAP_FAILED) { |
| 660 |
|
D(bug(" releasing the_buffer at %p (%d bytes)\n", the_buffer, the_buffer_size)); |
| 661 |
< |
vm_release(the_buffer, the_buffer_size); |
| 661 |
> |
vm_release_framebuffer(the_buffer, the_buffer_size); |
| 662 |
|
the_buffer = NULL; |
| 663 |
|
} |
| 664 |
|
if (the_host_buffer) { |
| 808 |
|
// Allocate memory for frame buffer (SIZE is extended to page-boundary) |
| 809 |
|
the_host_buffer = the_buffer_copy; |
| 810 |
|
the_buffer_size = page_extend((aligned_height + 2) * img->bytes_per_line); |
| 811 |
< |
the_buffer = (uint8 *)vm_acquire_mac(the_buffer_size); |
| 811 |
> |
the_buffer = (uint8 *)vm_acquire_framebuffer(the_buffer_size); |
| 812 |
|
the_buffer_copy = (uint8 *)malloc(the_buffer_size); |
| 813 |
|
D(bug("the_buffer = %p, the_buffer_copy = %p, the_host_buffer = %p\n", the_buffer, the_buffer_copy, the_host_buffer)); |
| 814 |
|
#else |
| 829 |
|
XDefineCursor(x_display, w, mac_cursor); |
| 830 |
|
|
| 831 |
|
// Init blitting routines |
| 790 |
– |
bool native_byte_order; |
| 791 |
– |
#ifdef WORDS_BIGENDIAN |
| 792 |
– |
native_byte_order = (XImageByteOrder(x_display) == MSBFirst); |
| 793 |
– |
#else |
| 794 |
– |
native_byte_order = (XImageByteOrder(x_display) == LSBFirst); |
| 795 |
– |
#endif |
| 832 |
|
#ifdef ENABLE_VOSF |
| 833 |
< |
Screen_blitter_init(visualFormat, native_byte_order, depth_of_video_mode(mode)); |
| 833 |
> |
Screen_blitter_init(visualFormat, x_native_byte_order, depth_of_video_mode(mode)); |
| 834 |
|
#endif |
| 835 |
|
|
| 836 |
|
// Set frame buffer base |
| 837 |
< |
set_mac_frame_buffer(monitor, mode.depth, native_byte_order); |
| 837 |
> |
set_mac_frame_buffer(monitor, mode.depth, x_native_byte_order); |
| 838 |
|
|
| 839 |
|
// Everything went well |
| 840 |
|
init_ok = true; |
| 1188 |
|
the_host_buffer = the_buffer; |
| 1189 |
|
the_buffer_size = page_extend((height + 2) * bytes_per_row); |
| 1190 |
|
the_buffer_copy = (uint8 *)malloc(the_buffer_size); |
| 1191 |
< |
the_buffer = (uint8 *)vm_acquire_mac(the_buffer_size); |
| 1191 |
> |
the_buffer = (uint8 *)vm_acquire_framebuffer(the_buffer_size); |
| 1192 |
|
|
| 1193 |
|
// Fake image for DGA/VOSF mode to know about display bounds |
| 1194 |
|
img = new FakeXImage(width, height, depth_of_video_mode(mode)); |
| 1315 |
|
// Init blitting routines |
| 1316 |
|
int bytes_per_row = TrivialBytesPerRow((v_width + 7) & ~7, mode.depth); |
| 1317 |
|
#if ENABLE_VOSF |
| 1282 |
– |
bool native_byte_order; |
| 1283 |
– |
#ifdef WORDS_BIGENDIAN |
| 1284 |
– |
native_byte_order = (XImageByteOrder(x_display) == MSBFirst); |
| 1285 |
– |
#else |
| 1286 |
– |
native_byte_order = (XImageByteOrder(x_display) == LSBFirst); |
| 1287 |
– |
#endif |
| 1318 |
|
#if REAL_ADDRESSING || DIRECT_ADDRESSING |
| 1319 |
|
// Screen_blitter_init() returns TRUE if VOSF is mandatory |
| 1320 |
|
// i.e. the framebuffer update function is not Blit_Copy_Raw |
| 1321 |
< |
use_vosf = Screen_blitter_init(visualFormat, native_byte_order, depth_of_video_mode(mode)); |
| 1321 |
> |
use_vosf = Screen_blitter_init(visualFormat, x_native_byte_order, depth_of_video_mode(mode)); |
| 1322 |
|
|
| 1323 |
|
if (use_vosf) { |
| 1324 |
|
// Allocate memory for frame buffer (SIZE is extended to page-boundary) |
| 1325 |
|
the_host_buffer = the_buffer; |
| 1326 |
|
the_buffer_size = page_extend((height + 2) * bytes_per_row); |
| 1327 |
|
the_buffer_copy = (uint8 *)malloc(the_buffer_size); |
| 1328 |
< |
the_buffer = (uint8 *)vm_acquire_mac(the_buffer_size); |
| 1328 |
> |
the_buffer = (uint8 *)vm_acquire_framebuffer(the_buffer_size); |
| 1329 |
|
|
| 1330 |
|
// Fake image for DGA/VOSF mode to know about display bounds |
| 1331 |
|
img = new FakeXImage((v_width + 7) & ~7, height, depth_of_video_mode(mode)); |
| 1467 |
|
return false; |
| 1468 |
|
} |
| 1469 |
|
|
| 1470 |
+ |
// Determine the byte order of an XImage content |
| 1471 |
+ |
#ifdef WORDS_BIGENDIAN |
| 1472 |
+ |
x_native_byte_order = (XImageByteOrder(x_display) == MSBFirst); |
| 1473 |
+ |
#else |
| 1474 |
+ |
x_native_byte_order = (XImageByteOrder(x_display) == LSBFirst); |
| 1475 |
+ |
#endif |
| 1476 |
+ |
|
| 1477 |
|
// Build up visualFormat structure |
| 1478 |
|
visualFormat.fullscreen = (display_type == DISPLAY_DGA); |
| 1479 |
|
visualFormat.depth = visualInfo.depth; |
| 1541 |
|
// Load gray ramp to 8->16/32 expand map |
| 1542 |
|
if (!IsDirectMode(mode) && xdepth > 8) |
| 1543 |
|
for (int i=0; i<256; i++) |
| 1544 |
< |
ExpandMap[i] = map_rgb(i, i, i); |
| 1544 |
> |
ExpandMap[i] = map_rgb(i, i, i, true); |
| 1545 |
|
#endif |
| 1546 |
|
|
| 1547 |
|
// Create display driver object of requested type |
| 1910 |
|
if (!IsDirectMode(mode) && xdepth > 8) { |
| 1911 |
|
for (int i=0; i<256; i++) { |
| 1912 |
|
int c = i & (num_in-1); // If there are less than 256 colors, we repeat the first entries (this makes color expansion easier) |
| 1913 |
< |
ExpandMap[i] = map_rgb(pal[c*3+0], pal[c*3+1], pal[c*3+2]); |
| 1913 |
> |
ExpandMap[i] = map_rgb(pal[c*3+0], pal[c*3+1], pal[c*3+2], true); |
| 1914 |
|
} |
| 1915 |
|
|
| 1916 |
|
// We have to redraw everything because the interpretation of pixel values changed |
