Merge pull request #132 from jdeseno/cpuinfo

complete cpu api

src/sdl2/cpuinfo.rs

@@ -0,0 +1,77 @@
+#[allow(non_camel_case_types)]
+pub mod ll {
+    use libc::{c_int};
+
+    pub type SDL_bool = c_int;
+
+    // SDL_cpuinfo.h
+    extern "C" {
+        pub fn SDL_GetCPUCount() -> c_int;
+        pub fn SDL_GetCPUCacheLineSize() -> c_int;
+        pub fn SDL_HasRDTSC() -> SDL_bool;
+        pub fn SDL_HasAltiVec() -> SDL_bool;
+        pub fn SDL_HasMMX() -> SDL_bool;
+        pub fn SDL_Has3DNow() -> SDL_bool;
+        pub fn SDL_HasSSE() -> SDL_bool;
+        pub fn SDL_HasSSE2() -> SDL_bool;
+        pub fn SDL_HasSSE3() -> SDL_bool;
+        pub fn SDL_HasSSE41() -> SDL_bool;
+        pub fn SDL_HasSSE42() -> SDL_bool;
+        pub fn SDL_HasAVX() -> SDL_bool;
+        pub fn SDL_GetSystemRAM() -> c_int;
+    }
+}
+
+pub static CachelineSize: int = 128;
+
+pub fn get_cpu_count() -> int {
+    unsafe { ll::SDL_GetCPUCount() as int }
+}
+
+pub fn get_cpu_cache_line_size() -> int {
+    unsafe { ll::SDL_GetCPUCacheLineSize() as int}
+}
+
+pub fn has_rdtsc() -> bool {
+    unsafe { ll::SDL_HasRDTSC() == 1 }
+}
+
+pub fn has_alti_vec() -> bool {
+    unsafe { ll::SDL_HasAltiVec() == 1 }
+}
+
+pub fn has_mmx() -> bool {
+    unsafe { ll::SDL_HasMMX() == 1 }
+}
+
+pub fn has_3d_now() -> bool {
+    unsafe { ll::SDL_Has3DNow() == 1 }
+}
+
+pub fn has_sse() -> bool {
+    unsafe { ll::SDL_HasSSE() == 1 }
+}
+
+pub fn has_sse2() -> bool {
+    unsafe { ll::SDL_HasSSE2() == 1 }
+}
+
+pub fn has_sse3() -> bool {
+    unsafe { ll::SDL_HasSSE3() == 1 }
+}
+
+pub fn has_sse41() -> bool {
+    unsafe { ll::SDL_HasSSE41() == 1 }
+}
+
+pub fn has_sse42() -> bool {
+    unsafe { ll::SDL_HasSSE42() == 1 }
+}
+
+pub fn has_avx() -> bool {
+    unsafe { ll::SDL_HasAVX() == 1 }
+}
+
+pub fn get_system_ram() -> int {
+    unsafe { ll::SDL_GetSystemRAM() as int }
+}

src/sdl2/lib.rs

@@ -17,6 +17,7 @@ pub mod keycode;
 #[path = "generated/scancode.rs"]
 pub mod scancode;
 
+pub mod cpuinfo;
 pub mod macros;
 pub mod event;
 pub mod gesture;