glm/test/gtc/gtc-swizzle.cpp

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///////////////////////////////////////////////////////////////////////////////////////////////////
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// OpenGL Mathematics Copyright (c) 2005 - 2011 G-Truc Creation (www.g-truc.net)
///////////////////////////////////////////////////////////////////////////////////////////////////
// Created : 2010-09-16
// Updated : 2010-09-16
// Licence : This source is under MIT licence
// File : test/gtx/simd-mat4.cpp
///////////////////////////////////////////////////////////////////////////////////////////////////
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#define GLM_MESSAGES
#include <glm/glm.hpp>
#include <glm/gtc/swizzle.hpp>
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int test_swizzle_vec4_ref_dynamic()
{
{
glm::ivec4 A(0, 1, 2, 3);
glm::ivec4 B(2, 1, 0, 3);
glm::swizzle(A, glm::Z, glm::Y, glm::X, glm::W) = B;
assert(A.x == B.x && A.y == B.y && A.z == B.z && A.w == B.w);
}
{
glm::ivec4 A(0, 1, 2, 3);
glm::ivec3 B(2, 1, 0);
glm::swizzle(A, glm::Z, glm::Y, glm::X) = B;
assert(A.x == B.x && A.y == B.y && A.z == B.z);
}
{
glm::ivec4 A(0, 1, 2, 3);
glm::ivec2 B(2, 1);
glm::swizzle(A, glm::Z, glm::Y) = B;
assert(A.x == B.x && A.y == B.y);
}
{
glm::ivec4 A(0, 1, 2, 3);
int B(2);
glm::swizzle(A, glm::Z) = B;
assert(A.x == B);
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}
return 0;
}
int test_swizzle_vec4_ref_static()
{
{
glm::ivec4 A(0, 1, 2, 3);
glm::ivec4 B(2, 1, 0, 3);
glm::swizzle<glm::Z, glm::Y, glm::X, glm::W>(A) = B;
assert(A.x == B.x && A.y == B.y && A.z == B.z && A.w == B.w);
}
{
glm::ivec4 A(0, 1, 2, 3);
glm::ivec3 B(2, 1, 0);
glm::swizzle<glm::Z, glm::Y, glm::X>(A) = B;
assert(A.x == B.x && A.y == B.y && A.z == B.z);
}
{
glm::ivec4 A(0, 1, 2, 3);
glm::ivec2 B(2, 1);
glm::swizzle<glm::Z, glm::Y>(A) = B;
assert(A.x == B.x && A.y == B.y);
}
{
glm::ivec4 A(0, 1, 2, 3);
int B(2);
glm::swizzle<glm::Z>(A) = B;
assert(A.x == B);
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}
return 0;
}
int test_swizzle_vec4_const_dynamic()
{
glm::ivec4 A(0, 1, 2, 3);
glm::ivec4 B = glm::swizzle(A, glm::B, glm::G, glm::R, glm::A);
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assert(glm::all(glm::equal(A, B)));
glm::ivec3 C = glm::swizzle(A, glm::W, glm::Y, glm::Z);
assert(glm::all(glm::equal(glm::ivec3(A), C)));
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glm::ivec2 D = glm::swizzle(A, glm::W, glm::X);
assert(glm::all(glm::equal(glm::ivec2(A), D)));
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int E = glm::swizzle(A, glm::Q);
assert(E == A.q);
return 0;
}
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int test_swizzle_vec4_const_static()
{
glm::ivec4 A(0, 1, 2, 3);
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glm::ivec4 B = glm::swizzle<glm::B, glm::G, glm::R, glm::A>(A);
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assert(glm::all(glm::equal(A, B)));
glm::ivec3 C = glm::swizzle<glm::W, glm::Y, glm::Z>(A);
assert(glm::all(glm::equal(glm::ivec3(A), C)));
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glm::ivec2 D = glm::swizzle<glm::W, glm::X>(A);
assert(glm::all(glm::equal(glm::ivec2(A), D)));
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int E = glm::swizzle<glm::Q>(A);
assert(E == A.q);
return 0;
}
int main(int argc, void* argv[])
{
int Failed = 0;
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Failed += test_swizzle_vec4_ref_dynamic();
Failed += test_swizzle_vec4_ref_static();
Failed += test_swizzle_vec4_const_dynamic();
Failed += test_swizzle_vec4_const_static();
return Failed;
}