Removed AVX2 and AVX512 usage for Windows, as Windows ARM64 under Parallels lacks AVX2 support and AVX512 is limited to certain processors, aligning with Delphi users' need for maximum backward compatibility.

Author: paulocesarbot

BUILD.gn

@@ -172,7 +172,7 @@ opts("hsw") {
   sources = skia_opts.hsw_sources
   if (is_win && !is_mingw) {
     cflags = [ "/arch:AVX2" ]
-  } else {
+  } else if (!is_win || !is_sk4d_build) {
     cflags = [ "-march=haswell" ]
   }
 }
@@ -182,7 +182,7 @@ opts("skx") {
   sources = skia_opts.skx_sources
   if (is_win && !is_mingw) {
     cflags = [ "/arch:AVX512" ]
-  } else {
+  } else if (!is_win || !is_sk4d_build) {
     cflags = [ "-march=skylake-avx512" ]
   }
 }

modules/skcms/BUILD.gn

@@ -31,7 +31,7 @@ template("arch") {
 }
 
 arch("skcms_TransformHsw") {
-  enabled = current_cpu == "x64" && target_os != "android"
+  enabled = current_cpu == "x64" && target_os != "android" && (!is_win || !is_sk4d_build)
   sources = skcms_TransformHsw
   if (is_win && !is_mingw) {
     if (is_clang) {
@@ -43,7 +43,7 @@ arch("skcms_TransformHsw") {
     } else {
       cflags = [ "/arch:AVX2" ]
     }
-  } else {
+  } else if (!is_win || !is_sk4d_build) {
     cflags = [
       "-mavx2",
       "-mf16c",
@@ -53,20 +53,22 @@ arch("skcms_TransformHsw") {
 }
 
 arch("skcms_TransformSkx") {
-  enabled = current_cpu == "x64" && target_os != "android"
+  enabled = current_cpu == "x64" && target_os != "android" && (!is_win || !is_sk4d_build)
   sources = skcms_TransformSkx
-  if (is_win && !is_mingw) {
-    if (is_clang) {
-      cflags = [
-        "/clang:-mavx512f",
-        "/clang:-mavx512dq",
-        "/clang:-mavx512cd",
-        "/clang:-mavx512bw",
-        "/clang:-mavx512vl",
-        "/clang:-ffp-contract=off",
-      ]
-    } else {
-      cflags = [ "/arch:AVX512" ]
+  if (is_win) {
+    if (!is_mingw) {
+      if (is_clang) {
+        cflags = [
+          "/clang:-mavx512f",
+          "/clang:-mavx512dq",
+          "/clang:-mavx512cd",
+          "/clang:-mavx512bw",
+          "/clang:-mavx512vl",
+          "/clang:-ffp-contract=off",
+        ]
+      } else {
+        cflags = [ "/arch:AVX512" ]
+      }
     }
   } else {
     cflags = [
@@ -87,7 +89,7 @@ static_library("skcms") {
   } else if (is_clang) {
     cflags_c += [ "-std=c11" ]
   }
-  if (target_cpu != "x64" || target_os == "android") {
+  if (target_cpu != "x64" || target_os == "android" || (is_win && is_sk4d_build)) {
     defines = [
       "SKCMS_DISABLE_HSW",
       "SKCMS_DISABLE_SKX",