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DisplayServer (macOS): detect bit depth

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李通洲 2024-07-18 16:41:31 +08:00
parent 4e84153e9d
commit f11b07ba8a
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GPG Key ID: 269AD4F5325A22A3
1 changed files with 20 additions and 1 deletions
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21
src/detection/displayserver/displayserver_apple.c
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@ -1,5 +1,6 @@
#include "displayserver.h"
#include "util/apple/cf_helpers.h"
#include "util/stringUtils.h"
#include <stdlib.h>
#include <string.h>
@ -69,7 +70,7 @@ static void detectDisplays(FFDisplayServerResult* ds)
CGSize size = CGDisplayScreenSize(screen);
ffdsAppendDisplay(ds,
FFDisplayResult* display = ffdsAppendDisplay(ds,
(uint32_t)CGDisplayModeGetPixelWidth(mode),
(uint32_t)CGDisplayModeGetPixelHeight(mode),
refreshRate,
@ -83,6 +84,24 @@ static void detectDisplays(FFDisplayServerResult* ds)
(uint32_t) (size.width + 0.5),
(uint32_t) (size.height + 0.5)
);
if (display)
{
// Shitty code
uint8_t bitDepth = 0;
FF_CFTYPE_AUTO_RELEASE CFStringRef desc = CFCopyDescription(mode);
CFRange start = CFStringFind(desc, CFSTR("BitsPerSample = "), 0);
if (start.location != kCFNotFound)
{
for (CFIndex idx = start.location + start.length; idx < CFStringGetLength(desc); ++idx)
{
UniChar ch = CFStringGetCharacterAtIndex(desc, idx);
if (!ffCharIsDigit((char) ch))
break;
bitDepth = (uint8_t) (bitDepth * 10 + (ch - '0'));
}
}
display->bitDepth = bitDepth;
}
CGDisplayModeRelease(mode);
}
CGDisplayRelease(screen);