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OpenGL Mathematics (GLM)
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glm/test/gtx/gtx_simd_mat4.cpp

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///////////////////////////////////////////////////////////////////////////////////
/// OpenGL Mathematics (glm.g-truc.net)
///
/// Copyright (c) 2005 - 2012 G-Truc Creation (www.g-truc.net)
/// Permission is hereby granted, free of charge, to any person obtaining a copy
/// of this software and associated documentation files (the "Software"), to deal
/// in the Software without restriction, including without limitation the rights
/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
/// copies of the Software, and to permit persons to whom the Software is
/// furnished to do so, subject to the following conditions:
///
/// The above copyright notice and this permission notice shall be included in
/// all copies or substantial portions of the Software.
///
/// Restrictions:
/// By making use of the Software for military purposes, you choose to make
/// a Bunny unhappy.
///
/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
/// THE SOFTWARE.
///
/// @file test/gtx/gtx_simd_mat4.cpp
/// @date 2010-09-16 / 2014-11-25
/// @author Christophe Riccio
///////////////////////////////////////////////////////////////////////////////////
#include <glm/glm.hpp>
#include <glm/gtc/matrix_transform.hpp>
#include <glm/gtc/quaternion.hpp>
#include <glm/gtc/random.hpp>
#include <glm/gtx/simd_vec4.hpp>
#include <glm/gtx/simd_mat4.hpp>
#include <cstdio>
#include <ctime>
#include <vector>
#if(GLM_ARCH != GLM_ARCH_PURE)
std::vector<float> test_detA(std::vector<glm::mat4> const & Data)
{
std::vector<float> Test(Data.size());
std::clock_t TimeStart = clock();
for(std::size_t i = 0; i < Test.size() - 1; ++i)
Test[i] = glm::determinant(Data[i]);
std::clock_t TimeEnd = clock();
printf("Det A: %ld\n", TimeEnd - TimeStart);
return Test;
}
std::vector<float> test_detB(std::vector<glm::mat4> const & Data)
{
std::vector<float> Test(Data.size());
std::clock_t TimeStart = clock();
for(std::size_t i = 0; i < Test.size() - 1; ++i)
{
_mm_prefetch((char*)&Data[i + 1], _MM_HINT_T0);
glm::simdMat4 m(Data[i]);
glm::simdVec4 d(glm::detail::sse_slow_det_ps((__m128 const * const)&m));
glm::vec4 v;//(d);
Test[i] = v.x;
}
std::clock_t TimeEnd = clock();
printf("Det B: %ld\n", TimeEnd - TimeStart);
return Test;
}
std::vector<float> test_detC(std::vector<glm::mat4> const & Data)
{
std::vector<float> Test(Data.size());
std::clock_t TimeStart = clock();
for(std::size_t i = 0; i < Test.size() - 1; ++i)
{
_mm_prefetch((char*)&Data[i + 1], _MM_HINT_T0);
glm::simdMat4 m(Data[i]);
glm::simdVec4 d(glm::detail::sse_det_ps((__m128 const * const)&m));
glm::vec4 v;//(d);
Test[i] = v.x;
}
std::clock_t TimeEnd = clock();
printf("Det C: %ld\n", TimeEnd - TimeStart);
return Test;
}
std::vector<float> test_detD(std::vector<glm::mat4> const & Data)
{
std::vector<float> Test(Data.size());
std::clock_t TimeStart = clock();
for(std::size_t i = 0; i < Test.size() - 1; ++i)
{
_mm_prefetch((char*)&Data[i + 1], _MM_HINT_T0);
glm::simdMat4 m(Data[i]);
glm::simdVec4 d(glm::detail::sse_detd_ps((__m128 const * const)&m));
glm::vec4 v;//(d);
Test[i] = v.x;
}
std::clock_t TimeEnd = clock();
printf("Det D: %ld\n", TimeEnd - TimeStart);
return Test;
}
void test_invA(std::vector<glm::mat4> const & Data, std::vector<glm::mat4> & Out)
{
//std::vector<float> Test(Data.size());
Out.resize(Data.size());
std::clock_t TimeStart = clock();
for(std::size_t i = 0; i < Out.size() - 1; ++i)
{
Out[i] = glm::inverse(Data[i]);
}
std::clock_t TimeEnd = clock();
printf("Inv A: %ld\n", TimeEnd - TimeStart);
}
void test_invC(std::vector<glm::mat4> const & Data, std::vector<glm::mat4> & Out)
{
//std::vector<float> Test(Data.size());
Out.resize(Data.size());
std::clock_t TimeStart = clock();
for(std::size_t i = 0; i < Out.size() - 1; ++i)
{
_mm_prefetch((char*)&Data[i + 1], _MM_HINT_T0);
glm::simdMat4 m(Data[i]);
glm::simdMat4 o;
glm::detail::sse_inverse_fast_ps((__m128 const * const)&m, (__m128 *)&o);
Out[i] = *(glm::mat4*)&o;
}
std::clock_t TimeEnd = clock();
printf("Inv C: %ld\n", TimeEnd - TimeStart);
}
void test_invD(std::vector<glm::mat4> const & Data, std::vector<glm::mat4> & Out)
{
//std::vector<float> Test(Data.size());
Out.resize(Data.size());
std::clock_t TimeStart = clock();
for(std::size_t i = 0; i < Out.size() - 1; ++i)
{
_mm_prefetch((char*)&Data[i + 1], _MM_HINT_T0);
glm::simdMat4 m(Data[i]);
glm::simdMat4 o;
glm::detail::sse_inverse_ps((__m128 const * const)&m, (__m128 *)&o);
Out[i] = *(glm::mat4*)&o;
}
std::clock_t TimeEnd = clock();
printf("Inv D: %ld\n", TimeEnd - TimeStart);
}
void test_mulA(std::vector<glm::mat4> const & Data, std::vector<glm::mat4> & Out)
{
//std::vector<float> Test(Data.size());
Out.resize(Data.size());
std::clock_t TimeStart = clock();
for(std::size_t i = 0; i < Out.size() - 1; ++i)
{
Out[i] = Data[i] * Data[i];
}
std::clock_t TimeEnd = clock();
printf("Mul A: %ld\n", TimeEnd - TimeStart);
}
void test_mulD(std::vector<glm::mat4> const & Data, std::vector<glm::mat4> & Out)
{
//std::vector<float> Test(Data.size());
Out.resize(Data.size());
std::clock_t TimeStart = clock();
for(std::size_t i = 0; i < Out.size() - 1; ++i)
{
_mm_prefetch((char*)&Data[i + 1], _MM_HINT_T0);
glm::simdMat4 m(Data[i]);
glm::simdMat4 o;
glm::detail::sse_mul_ps((__m128 const * const)&m, (__m128 const * const)&m, (__m128*)&o);
Out[i] = *(glm::mat4*)&o;
}
std::clock_t TimeEnd = clock();
printf("Mul D: %ld\n", TimeEnd - TimeStart);
}
int test_compute_glm()
{
return 0;
}
int test_compute_gtx()
{
std::vector<glm::vec4> Output(1000000);
std::clock_t TimeStart = clock();
for(std::size_t k = 0; k < Output.size(); ++k)
{
float i = float(k) / 1000.f + 0.001f;
glm::vec3 A = glm::normalize(glm::vec3(i));
glm::vec3 B = glm::cross(A, glm::normalize(glm::vec3(1, 1, 2)));
glm::mat4 C = glm::rotate(glm::mat4(1.0f), i, B);
glm::mat4 D = glm::scale(C, glm::vec3(0.8f, 1.0f, 1.2f));
glm::mat4 E = glm::translate(D, glm::vec3(1.4f, 1.2f, 1.1f));
glm::mat4 F = glm::perspective(i, 1.5f, 0.1f, 1000.f);
glm::mat4 G = glm::inverse(F * E);
glm::vec3 H = glm::unProject(glm::vec3(i), G, F, E[3]);
glm::vec3 I = glm::any(glm::isnan(glm::project(H, G, F, E[3]))) ? glm::vec3(2) : glm::vec3(1);
glm::mat4 J = glm::lookAt(glm::normalize(glm::max(B, glm::vec3(0.001f))), H, I);
glm::mat4 K = glm::transpose(J);
glm::quat L = glm::normalize(glm::quat_cast(K));
glm::vec4 M = L * glm::smoothstep(K[3], J[3], glm::vec4(i));
glm::mat4 N = glm::mat4(glm::normalize(glm::max(M, glm::vec4(0.001f))), K[3], J[3], glm::vec4(i));
glm::mat4 O = N * glm::inverse(N);
glm::vec4 P = O * glm::reflect(N[3], glm::vec4(A, 1.0f));
glm::vec4 Q = glm::vec4(glm::dot(M, P));
glm::vec4 R = glm::quat(Q.w, glm::vec3(Q)) * P;
Output[k] = R;
}
std::clock_t TimeEnd = clock();
printf("test_compute_gtx: %ld\n", TimeEnd - TimeStart);
return 0;
}
int main()
{
int Error = 0;
std::vector<glm::mat4> Data(64 * 64 * 1);
for(std::size_t i = 0; i < Data.size(); ++i)
Data[i] = glm::mat4(
glm::vec4(glm::linearRand(glm::vec4(-2.0f), glm::vec4(2.0f))),
glm::vec4(glm::linearRand(glm::vec4(-2.0f), glm::vec4(2.0f))),
glm::vec4(glm::linearRand(glm::vec4(-2.0f), glm::vec4(2.0f))),
glm::vec4(glm::linearRand(glm::vec4(-2.0f), glm::vec4(2.0f))));
{
std::vector<glm::mat4> TestInvA;
test_invA(Data, TestInvA);
}
{
std::vector<glm::mat4> TestInvC;
test_invC(Data, TestInvC);
}
{
std::vector<glm::mat4> TestInvD;
test_invD(Data, TestInvD);
}
{
std::vector<glm::mat4> TestA;
test_mulA(Data, TestA);
}
{
std::vector<glm::mat4> TestD;
test_mulD(Data, TestD);
}
{
std::vector<float> TestDetA = test_detA(Data);
std::vector<float> TestDetB = test_detB(Data);
std::vector<float> TestDetD = test_detD(Data);
std::vector<float> TestDetC = test_detC(Data);
for(std::size_t i = 0; i < TestDetA.size(); ++i)
if(TestDetA[i] != TestDetB[i] && TestDetC[i] != TestDetB[i] && TestDetC[i] != TestDetD[i])
return 1;
}
// shuffle test
glm::simdVec4 A(1.0f, 2.0f, 3.0f, 4.0f);
glm::simdVec4 B(5.0f, 6.0f, 7.0f, 8.0f);
//__m128 C = _mm_shuffle_ps(A.Data, B.Data, _MM_SHUFFLE(1, 0, 1, 0));
Error += test_compute_glm();
Error += test_compute_gtx();
float Det = glm::determinant(glm::simdMat4(1.0));
Error += Det == 1.0f ? 0 : 1;
glm::simdMat4 D = glm::matrixCompMult(glm::simdMat4(1.0), glm::simdMat4(1.0));
return Error;
}
#else
int main()
{
int Error = 0;
return Error;
}
#endif//(GLM_ARCH != GLM_ARCH_PURE)