Add CPU feature detection functions

Now requiring SDL 2.0.3+.

2 files changed, 124 insertions, 0 deletions

diff --git a/src/esdl2.erl b/src/esdl2.erl
index 39ff1e3..23b157a 100644
--- a/src/esdl2.erl
+++ b/src/esdl2.erl
@@ -27,6 +27,21 @@
 -export([has_clipboard_text/0]).
 -export([set_clipboard_text/1]).
 
+%% sdl_cpu_info
+-export([get_cpu_cache_line_size/0]).
+-export([get_cpu_count/0]).
+-export([get_system_ram/0]).
+-export([has_3dnow/0]).
+-export([has_avx/0]).
+-export([has_altivec/0]).
+-export([has_mmx/0]).
+-export([has_rdtsc/0]).
+-export([has_sse/0]).
+-export([has_sse2/0]).
+-export([has_sse3/0]).
+-export([has_sse41/0]).
+-export([has_sse42/0]).
+
 %% sdl_events
 -export([poll_event/0]).
 
@@ -101,6 +116,47 @@ has_clipboard_text() ->
 set_clipboard_text(_) ->
 	erlang:nif_error({not_loaded, ?MODULE}).
 
+%% sdl_cpu_info
+
+get_cpu_cache_line_size() ->
+	erlang:nif_error({not_loaded, ?MODULE}).
+
+get_cpu_count() ->
+	erlang:nif_error({not_loaded, ?MODULE}).
+
+get_system_ram() ->
+	erlang:nif_error({not_loaded, ?MODULE}).
+
+has_3dnow() ->
+	erlang:nif_error({not_loaded, ?MODULE}).
+
+has_avx() ->
+	erlang:nif_error({not_loaded, ?MODULE}).
+
+has_altivec() ->
+	erlang:nif_error({not_loaded, ?MODULE}).
+
+has_mmx() ->
+	erlang:nif_error({not_loaded, ?MODULE}).
+
+has_rdtsc() ->
+	erlang:nif_error({not_loaded, ?MODULE}).
+
+has_sse() ->
+	erlang:nif_error({not_loaded, ?MODULE}).
+
+has_sse2() ->
+	erlang:nif_error({not_loaded, ?MODULE}).
+
+has_sse3() ->
+	erlang:nif_error({not_loaded, ?MODULE}).
+
+has_sse41() ->
+	erlang:nif_error({not_loaded, ?MODULE}).
+
+has_sse42() ->
+	erlang:nif_error({not_loaded, ?MODULE}).
+
 %% sdl_events
 
 poll_event() ->
diff --git a/src/sdl_cpu_info.erl b/src/sdl_cpu_info.erl
new file mode 100644
index 0000000..0eccb1c
--- /dev/null
+++ b/src/sdl_cpu_info.erl
@@ -0,0 +1,68 @@
+%% Copyright (c) 2014, Loïc Hoguin <[email protected]>
+%%
+%% Permission to use, copy, modify, and/or distribute this software for any
+%% purpose with or without fee is hereby granted, provided that the above
+%% copyright notice and this permission notice appear in all copies.
+%%
+%% THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+%% WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+%% MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+%% ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+%% WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+%% ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+%% OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+-module(sdl_cpu_info).
+
+-export([get_cpu_cache_line_size/0]).
+-export([get_cpu_count/0]).
+-export([get_system_ram/0]).
+-export([has_3dnow/0]).
+-export([has_avx/0]).
+-export([has_altivec/0]).
+-export([has_mmx/0]).
+-export([has_rdtsc/0]).
+-export([has_sse/0]).
+-export([has_sse2/0]).
+-export([has_sse3/0]).
+-export([has_sse41/0]).
+-export([has_sse42/0]).
+
+get_cpu_cache_line_size() ->
+	esdl2:get_cpu_cache_line_size().
+
+get_cpu_count() ->
+	esdl2:get_cpu_count().
+
+get_system_ram() ->
+	esdl2:get_system_ram().
+
+has_3dnow() ->
+	esdl2:has_3dnow().
+
+has_avx() ->
+	esdl2:has_avx().
+
+has_altivec() ->
+	esdl2:has_altivec().
+
+has_mmx() ->
+	esdl2:has_mmx().
+
+has_rdtsc() ->
+	esdl2:has_rdtsc().
+
+has_sse() ->
+	esdl2:has_sse().
+
+has_sse2() ->
+	esdl2:has_sse2().
+
+has_sse3() ->
+	esdl2:has_sse3().
+
+has_sse41() ->
+	esdl2:has_sse41().
+
+has_sse42() ->
+	esdl2:has_sse42().