Add ISPC compiler support to CMake

3 files changed, 55 insertions, 0 deletions

diff --git a/Tests/ISPC/ResponseAndDefine/CMakeLists.txt b/Tests/ISPC/ResponseAndDefine/CMakeLists.txt
new file mode 100644
index 0000000..0dc5320
--- /dev/null
+++ b/Tests/ISPC/ResponseAndDefine/CMakeLists.txt
@@ -0,0 +1,24 @@
+
+project(ispc_spaces_in_path)
+
+set(CMAKE_NINJA_FORCE_RESPONSE_FILE ON)
+
+# Make sure we can handle an arg file with tricky defines including spaces in -I include
+file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/path with spaces/simple_include.h"
+"
+  typedef float FLOAT_TYPE;
+"
+)
+
+add_executable(SpacesInPath main.cxx simple.ispc)
+set_target_properties(SpacesInPath PROPERTIES POSITION_INDEPENDENT_CODE ON)
+target_include_directories(SpacesInPath PRIVATE  "${CMAKE_CURRENT_BINARY_DIR}")
+
+target_compile_options(SpacesInPath PRIVATE
+  "$<$<COMPILE_LANGUAGE:ISPC>:--target=sse2-i32x4;--arch=x86-64>")
+
+target_compile_definitions(SpacesInPath PRIVATE
+  "$<$<COMPILE_LANGUAGE:ISPC>:STRUCT_DEFINE=\"struct{uniform int a;varying int b;\";M_PI=3.1415926535f>")
+target_include_directories(SpacesInPath PRIVATE
+  "$<$<COMPILE_LANGUAGE:ISPC>:\"fake path with spaces\">""
+  "$<$<COMPILE_LANGUAGE:ISPC>:\"path with spaces\">")
diff --git a/Tests/ISPC/ResponseAndDefine/main.cxx b/Tests/ISPC/ResponseAndDefine/main.cxx
new file mode 100644
index 0000000..a6b91a6
--- /dev/null
+++ b/Tests/ISPC/ResponseAndDefine/main.cxx
@@ -0,0 +1,15 @@
+#include <stdio.h>
+
+#include "simple_ispc.h"
+
+int main()
+{
+  float vin[16], vout[16];
+  for (int i = 0; i < 16; ++i)
+    vin[i] = i;
+
+  ispc::simple(vin, vout, 16);
+
+  for (int i = 0; i < 16; ++i)
+    printf("%d: simple(%f) = %f\n", i, vin[i], vout[i]);
+}
diff --git a/Tests/ISPC/ResponseAndDefine/simple.ispc b/Tests/ISPC/ResponseAndDefine/simple.ispc
new file mode 100644
index 0000000..3f32c37
--- /dev/null
+++ b/Tests/ISPC/ResponseAndDefine/simple.ispc
@@ -0,0 +1,16 @@
+
+STRUCT_DEFINE};
+
+#include "simple_include.h"
+
+export void simple(uniform FLOAT_TYPE vin[], uniform FLOAT_TYPE vout[],
+                   uniform int count) {
+    foreach (index = 0 ... count) {
+        FLOAT_TYPE v = vin[index];
+        if (v < M_PI)
+            v = v * v;
+        else
+            v = sqrt(v);
+        vout[index] = v;
+    }
+}