From 1915a0ea6dc5f68c41e2d0e774ba7ec939e30f09 Mon Sep 17 00:00:00 2001
From: shaun <962914132@qq.com>
Date: Thu, 11 Dec 2025 10:40:59 +0100
Subject: [PATCH] Fix: Disable SSE2 (which causes crash) while using DXGI
---
client/ScreenCapture.h | 43 +++++++++++++++++++++++++++++++++++++
client/ScreenCapturerDXGI.h | 4 ++++
client/ghost_vs2015.vcxproj | 1 +
3 files changed, 48 insertions(+)
diff --git a/client/ScreenCapture.h b/client/ScreenCapture.h
index 9d97149..19874fb 100644
--- a/client/ScreenCapture.h
+++ b/client/ScreenCapture.h
@@ -239,10 +239,53 @@ public:
}
public:
+ virtual BOOL UsingDXGI() const {
+ return FALSE;
+ }
+ //*************************************** 图像差异算法（串行） *************************************
+ ULONG CompareBitmapDXGI(LPBYTE CompareSourData, LPBYTE CompareDestData, LPBYTE szBuffer,
+ DWORD ulCompareLength, BYTE algo, int startPostion = 0)
+ {
+ // Windows规定一个扫描行所占的字节数必须是4的倍数, 所以用DWORD比较
+ LPDWORD p1 = (LPDWORD)CompareDestData, p2 = (LPDWORD)CompareSourData;
+ LPBYTE p = szBuffer;
+ ULONG channel = algo == ALGORITHM_GRAY ? 1 : 4;
+ ULONG ratio = algo == ALGORITHM_GRAY ? 4 : 1;
+ for (ULONG i = 0; i < ulCompareLength; i += 4, ++p1, ++p2) {
+ if (*p1 == *p2)
+ continue;
+ ULONG index = i;
+ LPDWORD pos1 = p1++, pos2 = p2++;
+ // 计算有几个像素值不同
+ for (i += 4; i < ulCompareLength && *p1 != *p2; i += 4, ++p1, ++p2);
+ ULONG ulCount = i - index;
+ memcpy(pos1, pos2, ulCount); // 更新目标像素
+
+ *(LPDWORD)(p) = index + startPostion;
+ *(LPDWORD)(p + sizeof(ULONG)) = ulCount / ratio;
+ p += 2 * sizeof(ULONG);
+ if (channel != 1) {
+ memcpy(p, pos2, ulCount);
+ p += ulCount;
+ }
+ else {
+ for (LPBYTE end = p + ulCount / ratio; p < end; p += channel, ++pos2) {
+ LPBYTE src = (LPBYTE)pos2;
+ *p = (306 * src[2] + 601 * src[0] + 117 * src[1]) >> 10;
+ }
+ }
+ }
+
+ return p - szBuffer;
+ }
+
//*************************************** 图像差异算法 SSE2 优化版 *************************************
virtual ULONG CompareBitmap(LPBYTE CompareSourData, LPBYTE CompareDestData, LPBYTE szBuffer,
DWORD ulCompareLength, BYTE algo, int startPostion = 0)
{
+ if (UsingDXGI())
+ return CompareBitmapDXGI(CompareSourData, CompareDestData, szBuffer, ulCompareLength, algo, startPostion);
+
LPBYTE p = szBuffer;
ULONG channel = algo == ALGORITHM_GRAY ? 1 : 4;
ULONG ratio = algo == ALGORITHM_GRAY ? 4 : 1;
diff --git a/client/ScreenCapturerDXGI.h b/client/ScreenCapturerDXGI.h
index 1cd57db..15ae039 100644
--- a/client/ScreenCapturerDXGI.h
+++ b/client/ScreenCapturerDXGI.h
@@ -40,6 +40,10 @@ public:
SAFE_DELETE_ARRAY(m_RectBuffer);
}
+ virtual BOOL UsingDXGI() const {
+ return TRUE;
+ }
+
void InitDXGI(BOOL all)
{
m_iScreenX = 0;
diff --git a/client/ghost_vs2015.vcxproj b/client/ghost_vs2015.vcxproj
index 1c76e3c..4efdc0d 100644
--- a/client/ghost_vs2015.vcxproj
+++ b/client/ghost_vs2015.vcxproj
@@ -246,6 +246,7 @@
+