mirror of
https://github.com/g-truc/glm.git
synced 2024-11-23 17:14:36 +00:00
303 lines
7.5 KiB
C++
303 lines
7.5 KiB
C++
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
// OpenGL Mathematics Copyright (c) 2005 - 2012 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
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#include <glm/glm.hpp>
|
|
#include <glm/gtc/matrix_transform.hpp>
|
|
#include <glm/gtc/quaternion.hpp>
|
|
#include <glm/gtx/random.hpp>
|
|
#include <glm/gtx/simd_vec4.hpp>
|
|
#include <glm/gtx/simd_mat4.hpp>
|
|
#include <iostream>
|
|
#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::detail::sse_mul_ps((__m128 const * const)&m, (__m128 const * const)&m, (__m128*)&Out[i]);
|
|
}
|
|
|
|
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;
|
|
glm::vec3 A = glm::normalize(glm::vec3(i));
|
|
glm::vec3 B = glm::cross(A, glm::vec3(0, 0, 1));
|
|
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::project(H, G, F, E[3]);
|
|
glm::mat4 J = glm::lookAt(glm::normalize(B), 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(M), 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::compRand4(-2.0f, 2.0f)),
|
|
glm::vec4(glm::compRand4(-2.0f, 2.0f)),
|
|
glm::vec4(glm::compRand4(-2.0f, 2.0f)),
|
|
glm::vec4(glm::compRand4(-2.0f, 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)
|