59 lines
1.2 KiB
C++
59 lines
1.2 KiB
C++
#include <glm/ext/vector_packing.hpp>
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#include <glm/ext/vector_relational.hpp>
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#include <glm/ext/vector_uint2_sized.hpp>
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#include <glm/ext/vector_int2_sized.hpp>
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#include <glm/gtc/packing.hpp>
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#include <glm/vec2.hpp>
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#include <vector>
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int test_packUnorm()
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{
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int Error = 0;
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std::vector<glm::vec2> A;
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A.push_back(glm::vec2(1.0f, 0.7f));
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A.push_back(glm::vec2(0.5f, 0.1f));
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for (std::size_t i = 0; i < A.size(); ++i)
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{
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glm::vec2 B(A[i]);
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glm::u16vec2 C = glm::packUnorm<glm::uint16>(B);
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glm::vec2 D = glm::unpackUnorm<float>(C);
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Error += glm::all(glm::equal(B, D, 1.0f / 255.f)) ? 0 : 1;
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assert(!Error);
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}
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return Error;
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}
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int test_packSnorm()
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{
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int Error = 0;
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std::vector<glm::vec2> A;
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A.push_back(glm::vec2(1.0f, 0.0f));
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A.push_back(glm::vec2(-0.5f, -0.7f));
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A.push_back(glm::vec2(-0.1f, 0.1f));
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for (std::size_t i = 0; i < A.size(); ++i)
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{
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glm::vec2 B(A[i]);
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glm::i16vec2 C = glm::packSnorm<glm::int16>(B);
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glm::vec2 D = glm::unpackSnorm<float>(C);
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Error += glm::all(glm::equal(B, D, 1.0f / 32767.0f * 2.0f)) ? 0 : 1;
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assert(!Error);
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}
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return Error;
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}
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int main()
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{
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int Error = 0;
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Error += test_packUnorm();
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Error += test_packSnorm();
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return Error;
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}
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