1 files changed, 58 insertions, 0 deletions
diff --git a/3rdparty/glm/source/test/ext/ext_vector_packing.cpp b/3rdparty/glm/source/test/ext/ext_vector_packing.cpp
new file mode 100644
index 0000000..d7cbce2
--- /dev/null
+++ b/3rdparty/glm/source/test/ext/ext_vector_packing.cpp
@@ -0,0 +1,58 @@
+#include <glm/ext/vector_packing.hpp>
+#include <glm/ext/vector_relational.hpp>
+#include <glm/ext/vector_uint2_sized.hpp>
+#include <glm/ext/vector_int2_sized.hpp>
+#include <glm/gtc/packing.hpp>
+#include <glm/vec2.hpp>
+#include <vector>
+
+int test_packUnorm()
+{
+	int Error = 0;
+
+	std::vector<glm::vec2> A;
+	A.push_back(glm::vec2(1.0f, 0.7f));
+	A.push_back(glm::vec2(0.5f, 0.1f));
+
+	for (std::size_t i = 0; i < A.size(); ++i)
+	{
+		glm::vec2 B(A[i]);
+		glm::u16vec2 C = glm::packUnorm<glm::uint16>(B);
+		glm::vec2 D = glm::unpackUnorm<float>(C);
+		Error += glm::all(glm::equal(B, D, 1.0f / 255.f)) ? 0 : 1;
+		assert(!Error);
+	}
+
+	return Error;
+}
+
+int test_packSnorm()
+{
+	int Error = 0;
+
+	std::vector<glm::vec2> A;
+	A.push_back(glm::vec2(1.0f, 0.0f));
+	A.push_back(glm::vec2(-0.5f, -0.7f));
+	A.push_back(glm::vec2(-0.1f, 0.1f));
+
+	for (std::size_t i = 0; i < A.size(); ++i)
+	{
+		glm::vec2 B(A[i]);
+		glm::i16vec2 C = glm::packSnorm<glm::int16>(B);
+		glm::vec2 D = glm::unpackSnorm<float>(C);
+		Error += glm::all(glm::equal(B, D, 1.0f / 32767.0f * 2.0f)) ? 0 : 1;
+		assert(!Error);
+	}
+
+	return Error;
+}
+
+int main()
+{
+	int Error = 0;
+
+	Error += test_packUnorm();
+	Error += test_packSnorm();
+
+	return Error;
+}