Józef Kucia : configure: Check if SPIR-V headers are recent enough.

[Alexandre Julliard]

Module: vkd3d
Branch: master
Commit: b1c417a578cfe375cbb3e32860d160db171a5fcb
URL:    https://source.winehq.org/git/vkd3d.git/?a=commit;h=b1c417a578cfe375cbb3e328...

Author: Józef Kucia <jkucia(a)codeweavers.com>
Date:   Sat Jul  6 07:36:33 2019 +0200

configure: Check if SPIR-V headers are recent enough.

Signed-off-by: Józef Kucia <jkucia(a)codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet(a)codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>

---

 configure.ac | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/configure.ac b/configure.ac
index e2d6131..abd94b5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -69,6 +69,13 @@ AS_IF([test "x$ac_cv_header_spirv_unified1_GLSL_std_450_h" != "xyes" \
 
 VKD3D_CHECK_VULKAN_HEADER_VERSION([113], [AC_MSG_ERROR([Vulkan headers are too old, 1.1.113 is required.])])
 
+AC_CHECK_DECL([SpvCapabilityDemoteToHelperInvocationEXT],, [AC_MSG_ERROR([SPIR-V headers are too old.])], [
+#ifdef HAVE_SPIRV_UNIFIED1_SPIRV_H
+# include "spirv/unified1/spirv.h"
+#else
+# include "vulkan/spirv.h"
+#endif])
+
 dnl Check for libraries
 m4_ifdef([PKG_PROG_PKG_CONFIG], [PKG_PROG_PKG_CONFIG], [m4_fatal([pkg-config autoconf macros not found.])])