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Add more debug output to help finding why 16bit modes are broken. Oddly 15bit seems to work.

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@38003 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
François Revol
2010-08-10 11:16:20 +00:00
parent 28bbeaca96
commit 746efef3d3
1 changed files with 12 additions and 8 deletions
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src/system/boot/platform/bios_ia32/video.cpp
+12 -8
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@@ -453,15 +453,18 @@ vesa_init(vbe_info_block *info, video_mode **_standardMode)
if (mode == 0xffff)
break;
TRACE((" %x: ", mode));
struct vbe_mode_info modeInfo;
if (vesa_get_mode_info(mode, &modeInfo) == B_OK) {
TRACE(("%u x %u x %u (a = %d, mem = %d, phy = %lx, p = %d, b = %d)\n",
modeInfo.width, modeInfo.height, modeInfo.bits_per_pixel, modeInfo.attributes,
modeInfo.memory_model, modeInfo.physical_base, modeInfo.num_planes,
modeInfo.num_banks));
TRACE((" 0x%03x: %u x %u x %u (a = %d, mem = %d, phy = %lx, p = %d, b = %d)\n", mode,
modeInfo.width, modeInfo.height, modeInfo.bits_per_pixel, modeInfo.attributes,
modeInfo.memory_model, modeInfo.physical_base, modeInfo.num_planes,
modeInfo.num_banks));
TRACE((" mask: r: %d %d g: %d %d b: %d %d dcmi: %d\n",
modeInfo.red_mask_size, modeInfo.red_field_position,
modeInfo.green_mask_size, modeInfo.green_field_position,
modeInfo.blue_mask_size, modeInfo.blue_field_position,
modeInfo.direct_color_mode_info));
const uint32 requiredAttributes = MODE_ATTR_AVAILABLE
| MODE_ATTR_GRAPHICS_MODE | MODE_ATTR_COLOR_MODE
| MODE_ATTR_LINEAR_BUFFER;
@@ -496,7 +499,7 @@ vesa_init(vbe_info_block *info, video_mode **_standardMode)
add_video_mode(videoMode);
}
} else
TRACE(("(failed)\n"));
TRACE((" 0x%03x: (failed)\n", mode));
}
// Choose default resolution (when no EDID information is available)
@@ -522,6 +525,7 @@ vesa_init(vbe_info_block *info, video_mode **_standardMode)
return B_ERROR;
}
TRACE(("Using mode 0x%03x\n", standardMode->mode));
*_standardMode = standardMode;
return B_OK;
}