From 49ccccb2603278260e02bb43fb38251589ab4bd1 Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Fri, 15 Sep 2017 01:59:40 +0300
Subject: Detect cpu flags by sdl if other ways impossible to use.

---
 src/utils/cpu.cpp | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

(limited to 'src/utils')

diff --git a/src/utils/cpu.cpp b/src/utils/cpu.cpp
index 5ae30c506..ef6a419b6 100644
--- a/src/utils/cpu.cpp
+++ b/src/utils/cpu.cpp
@@ -111,8 +111,35 @@ void Cpu::detect()
         logger->log("cpu features was not detected");
 #else  // OTHER
 
+#ifdef USE_SDL2
+    if (SDL_HasMMX())
+        mCpuFlags |= FEATURE_MMX;
+    if (SDL_HasSSE())
+        mCpuFlags |= FEATURE_SSE;
+    if (SDL_HasSSE2())
+        mCpuFlags |= FEATURE_SSE2;
+    if (SDL_HasSSE3())
+        mCpuFlags |= FEATURE_SSSE3;
+    if (SDL_HasSSE41())
+        mCpuFlags |= FEATURE_SSE4;
+    if (SDL_HasSSE42())
+        mCpuFlags |= FEATURE_SSE42;
+
+#if SDL_VERSION_ATLEAST(2, 0, 2)
+    if (SDL_HasAVX())
+        mCpuFlags |= FEATURE_AVX;
+#endif  // SDL_VERSION_ATLEAST(2, 0, 2)
+#if SDL_VERSION_ATLEAST(2, 0, 4)
+    if (SDL_HasAVX2())
+        mCpuFlags |= FEATURE_AVX2;
+#endif  // SDL_VERSION_ATLEAST(2, 0, 4)
+
+    printFlags();
+#else  // USE_SDL2
+
     if (logger)
         logger->log("cpu features not supported");
+#endif  // USE_SDL2
 #endif  // (defined(__amd64__) || defined(__i386__)) && defined(__GNUC__)
         // && (GCC_VERSION >= 40800) && !defined(ANDROID)
 
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