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Only support True Color frame buffers. Make it possible to run-time switch

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depth in FBDev DGA fullscreen mode.
This commit is contained in:
gbeauche 2005-03-28 16:19:28 +00:00
parent e8ac4897b6
commit b46eb9ae45
1 changed files with 46 additions and 27 deletions
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73
SheepShaver/src/Unix/video_x.cpp
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@ -577,7 +577,7 @@ static bool open_window(int width, int height)
use_vosf = true;
// Allocate memory for frame buffer (SIZE is extended to page-boundary)
the_host_buffer = the_buffer_copy;
the_buffer_size = page_extend((aligned_height + 2) * img->bytes_per_line);
the_buffer_size = page_extend((aligned_height + 2) * (the_host_buffer_row_bytes = img->bytes_per_line));
the_buffer = (uint8 *)vm_acquire(the_buffer_size);
the_buffer_copy = (uint8 *)malloc(the_buffer_size);
D(bug("the_buffer = %p, the_buffer_copy = %p, the_host_buffer = %p\n", the_buffer, the_buffer_copy, the_host_buffer));
@ -643,6 +643,7 @@ static bool open_fbdev(int width, int height)
}
D(bug("[fbdev] Device ID: %s\n", fb_finfo.id));
D(bug("[fbdev] smem_start: %p [%d bytes]\n", fb_finfo.smem_start, fb_finfo.smem_len));
int fb_type = fb_finfo.type;
const char *fb_type_str = NULL;
switch (fb_type) {
@ -654,6 +655,12 @@ static bool open_fbdev(int width, int height)
default: fb_type_str = "<unknown>"; break;
}
D(bug("[fbdev] type: %s\n", fb_type_str));
if (fb_type != FB_TYPE_PACKED_PIXELS) {
D(bug("[fbdev] type '%s' not supported\n", fb_type_str));
return false;
}
int fb_visual = fb_finfo.visual;
const char *fb_visual_str;
switch (fb_visual) {
@ -667,8 +674,8 @@ static bool open_fbdev(int width, int height)
}
D(bug("[fbdev] visual: %s\n", fb_visual_str));
if (fb_type != FB_TYPE_PACKED_PIXELS) {
D(bug("[fbdev] type %s not supported\n", fb_type_str));
if (fb_visual != FB_VISUAL_TRUECOLOR) {
D(bug("[fbdev] visual '%s' not supported\n", fb_visual_str));
return false;
}
@ -686,10 +693,9 @@ static bool open_fbdev(int width, int height)
XSetWindowAttributes wattr;
wattr.event_mask = eventmask = dga_eventmask;
wattr.override_redirect = True;
wattr.colormap = (depth == 1 ? DefaultColormap(x_display, screen) : cmap[0]);
the_win = XCreateWindow(x_display, rootwin, 0, 0, width, height, 0, xdepth,
InputOutput, vis, CWEventMask | CWOverrideRedirect |
(color_class == DirectColor ? CWColormap : 0), &wattr);
InputOutput, DefaultVisual(x_display, screen),
CWEventMask | CWOverrideRedirect, &wattr);
// Show window
XMapRaised(x_display, the_win);
@ -711,36 +717,42 @@ static bool open_fbdev(int width, int height)
XDefineCursor(x_display, the_win, mac_cursor);
// Init blitting routines
int bytes_per_row = TrivialBytesPerRow((width + 7) & ~7, DepthModeForPixelDepth(depth));
#if ENABLE_VOSF
bool native_byte_order;
#ifdef WORDS_BIGENDIAN
native_byte_order = (XImageByteOrder(x_display) == MSBFirst);
#else
native_byte_order = (XImageByteOrder(x_display) == LSBFirst);
#endif
#if REAL_ADDRESSING || DIRECT_ADDRESSING
// Extract current screen color masks (we are in True Color mode)
VisualFormat visualFormat;
visualFormat.depth = xdepth = DefaultDepth(x_display, screen);
XMatchVisualInfo(x_display, screen, xdepth, TrueColor, &visualInfo);
assert(visualFormat.depth == visualInfo.depth);
visualFormat.Rmask = visualInfo.red_mask;
visualFormat.Gmask = visualInfo.green_mask;
visualFormat.Bmask = visualInfo.blue_mask;
D(bug("[fbdev] %d bpp, (%08x,%08x,%08x)\n",
visualFormat.depth,
visualFormat.Rmask, visualFormat.Gmask, visualFormat.Bmask));
D(bug("[fbdev] Mac depth %d bpp\n", depth));
// Screen_blitter_init() returns TRUE if VOSF is mandatory
// i.e. the framebuffer update function is not Blit_Copy_Raw
use_vosf = Screen_blitter_init(visualFormat, native_byte_order, depth);
if (use_vosf) {
// Allocate memory for frame buffer (SIZE is extended to page-boundary)
the_host_buffer = the_buffer;
the_buffer_size = page_extend((height + 2) * bytes_per_row);
the_buffer_copy = (uint8 *)malloc(the_buffer_size);
the_buffer = (uint8 *)vm_acquire(the_buffer_size);
D(bug("the_buffer = %p, the_buffer_copy = %p, the_host_buffer = %p\n", the_buffer, the_buffer_copy, the_host_buffer));
}
#ifdef WORDS_BIGENDIAN
const bool native_byte_order = (XImageByteOrder(x_display) == MSBFirst);
#else
use_vosf = false;
const bool native_byte_order = (XImageByteOrder(x_display) == LSBFirst);
#endif
Screen_blitter_init(visualFormat, native_byte_order, depth);
// Allocate memory for frame buffer (SIZE is extended to page-boundary)
the_host_buffer = the_buffer;
the_host_buffer_row_bytes = TrivialBytesPerRow((width + 7) & ~7, DepthModeForPixelDepth(visualFormat.depth));
the_buffer_size = page_extend((height + 2) * the_host_buffer_row_bytes);
the_buffer_copy = (uint8 *)malloc(the_buffer_size);
the_buffer = (uint8 *)vm_acquire(the_buffer_size);
D(bug("the_buffer = %p, the_buffer_copy = %p, the_host_buffer = %p\n", the_buffer, the_buffer_copy, the_host_buffer));
#endif
// Set frame buffer base
D(bug("the_buffer = %p, use_vosf = %d\n", the_buffer, use_vosf));
screen_base = Host2MacAddr(the_buffer);
VModes[cur_mode].viRowBytes = bytes_per_row;
VModes[cur_mode].viRowBytes = TrivialBytesPerRow((width + 7) & ~7, DepthModeForPixelDepth(depth));
return true;
#else
ErrorAlert("SheepShaver has been compiled with DGA support disabled.");
@ -822,7 +834,7 @@ static bool open_dga(int width, int height)
if (use_vosf) {
// Allocate memory for frame buffer (SIZE is extended to page-boundary)
the_host_buffer = the_buffer;
the_buffer_size = page_extend((height + 2) * bytes_per_row);
the_buffer_size = page_extend((height + 2) * (the_host_buffer_row_bytes = bytes_per_row));
the_buffer_copy = (uint8 *)malloc(the_buffer_size);
the_buffer = (uint8 *)vm_acquire(the_buffer_size);
D(bug("the_buffer = %p, the_buffer_copy = %p, the_host_buffer = %p\n", the_buffer, the_buffer_copy, the_host_buffer));
@ -858,6 +870,7 @@ static bool open_display(void)
}
// Build up visualFormat structure
visualFormat.fullscreen = (display_type == DIS_SCREEN);
visualFormat.depth = visualInfo.depth;
visualFormat.Rmask = visualInfo.red_mask;
visualFormat.Gmask = visualInfo.green_mask;
@ -1458,6 +1471,12 @@ bool VideoInit(void)
add_custom_mode(p, display_type, default_width, default_height, d, APPLE_CUSTOM);
}
}
#ifdef ENABLE_VOSF
} else if (display_type == DIS_SCREEN && is_fbdev_dga_mode) {
for (unsigned int d = APPLE_1_BIT; d <= default_mode; d++)
if (find_visual_for_depth(d))
add_custom_mode(p, display_type, default_width, default_height, d, APPLE_CUSTOM);
#endif
} else
add_custom_mode(p, display_type, default_width, default_height, default_mode, APPLE_CUSTOM);
} else if (window_modes) {