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Add ugly workaround for newer compiler used in vulkan SDK

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baldurk
2019-08-08 10:44:36 +01:00
parent 8382d3e4f1
commit d26462dca8
1 changed files with 14 additions and 0 deletions
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util/test/demos/test_common.cpp
+14
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@@ -183,6 +183,20 @@ void LoadXPM(const char **XPM, Texture &tex)
#define HAVE_SHADERC 0
#endif
// on VS2015 define __std_reverse_trivially_swappable_8 so we can link against shaderc_combined.lib
// built on newer VS
#if defined(_MSC_VER) && _MSC_VER <= 1900
extern "C" __declspec(noalias) void __cdecl __std_reverse_trivially_swappable_8(void *a,
void *b) noexcept
{
unsigned long long temp;
static_assert(sizeof(temp) == 8, "wrong basic type");
memcpy(&temp, a, sizeof(temp));
memcpy(a, b, sizeof(temp));
memcpy(b, &temp, sizeof(temp));
}
#endif
// this define toggles on/off using the linked shaderc. This can be useful if e.g. on windows the
// shaderc in VULKAN_SDK is broken.
#define USE_LINKED_SHADERC (1 && HAVE_SHADERC)