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Added noise tests output

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master
Christophe Riccio ago%!(EXTRA string=14 years)
parent 506ea8cf0b
commit cd1df245bc
1 changed files with 113 additions and 43 deletions
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  1. 156
      test/gtx/gtx_noise.cpp

156
test/gtx/gtx_noise.cpp
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@ -10,110 +10,180 @@
#include <glm/glm.hpp>
#include <glm/gtx/noise.hpp>
#include <gli/gli.hpp>
#include <gli/gtx/loader.hpp>
#include <iostream>
int test_simplex()
{
std::size_t const Size = 256;
{
float ImageData[256];
std::vector<glm::byte> ImageData(Size * Size * 3);
for(std::size_t y = 0; y < 16; ++y)
for(std::size_t x = 0; x < 16; ++x)
for(std::size_t y = 0; y < Size; ++y)
for(std::size_t x = 0; x < Size; ++x)
{
ImageData[x + y * 16] = glm::simplex(glm::vec2(x / 16.f, y / 16.f));
ImageData[(x + y * Size) * 3 + 0] = glm::byte(glm::simplex(glm::vec2(x / 16.f, y / 16.f)) * 128.f + 127.f);
ImageData[(x + y * Size) * 3 + 1] = ImageData[(x + y * Size) * 3 + 0];
ImageData[(x + y * Size) * 3 + 2] = ImageData[(x + y * Size) * 3 + 0];
}
gli::texture2D Texture(1);
Texture[0] = gli::image2D(glm::uvec2(Size), gli::RGB8U);
memcpy(Texture[0].data(), &ImageData[0], ImageData.size());
gli::saveDDS9(Texture, "texture_simplex2d_256.dds");
}
{
float ImageData[256];
std::vector<glm::byte> ImageData(Size * Size * 3);
for(std::size_t y = 0; y < 16; ++y)
for(std::size_t x = 0; x < 16; ++x)
for(std::size_t y = 0; y < Size; ++y)
for(std::size_t x = 0; x < Size; ++x)
{
ImageData[x + y * 16] = glm::simplex(glm::vec3(x / 16.f, y / 16.f, 0.5f));
ImageData[(x + y * Size) * 3 + 0] = glm::byte(glm::simplex(glm::vec3(x / 16.f, y / 16.f, 0.5f)) * 128.f + 127.f);
ImageData[(x + y * Size) * 3 + 1] = ImageData[(x + y * Size) * 3 + 0];
ImageData[(x + y * Size) * 3 + 2] = ImageData[(x + y * Size) * 3 + 0];
}
gli::texture2D Texture(1);
Texture[0] = gli::image2D(glm::uvec2(Size), gli::RGB8U);
memcpy(Texture[0].data(), &ImageData[0], ImageData.size());
gli::saveDDS9(Texture, "texture_simplex3d_256.dds");
}
{
float ImageData[256];
std::vector<glm::byte> ImageData(Size * Size * 3);
for(std::size_t y = 0; y < 16; ++y)
for(std::size_t x = 0; x < 16; ++x)
for(std::size_t y = 0; y < Size; ++y)
for(std::size_t x = 0; x < Size; ++x)
{
ImageData[x + y * 16] = glm::simplex(glm::vec4(x / 16.f, y / 16.f, 0.5f, 0.5f));
ImageData[(x + y * Size) * 3 + 0] = glm::byte(glm::simplex(glm::vec4(x / 16.f, y / 16.f, 0.5f, 0.5f)) * 128.f + 127.f);
ImageData[(x + y * Size) * 3 + 1] = ImageData[(x + y * Size) * 3 + 0];
ImageData[(x + y * Size) * 3 + 2] = ImageData[(x + y * Size) * 3 + 0];
}
}
gli::texture2D Texture(1);
Texture[0] = gli::image2D(glm::uvec2(Size), gli::RGB8U);
memcpy(Texture[0].data(), &ImageData[0], ImageData.size());
gli::saveDDS9(Texture, "texture_simplex4d_256.dds");
}
return 0;
}
int test_perlin()
{
std::size_t const Size = 256;
{
float ImageData[256];
std::vector<glm::byte> ImageData(Size * Size * 3);
for(std::size_t y = 0; y < 16; ++y)
for(std::size_t x = 0; x < 16; ++x)
for(std::size_t y = 0; y < Size; ++y)
for(std::size_t x = 0; x < Size; ++x)
{
ImageData[x + y * 16] = glm::perlin(glm::vec2(x / 16.f, y / 16.f));
ImageData[(x + y * Size) * 3 + 0] = glm::byte(glm::perlin(glm::vec2(x / 16.f, y / 16.f)) * 128.f + 127.f);
ImageData[(x + y * Size) * 3 + 1] = ImageData[(x + y * Size) * 3 + 0];
ImageData[(x + y * Size) * 3 + 2] = ImageData[(x + y * Size) * 3 + 0];
}
gli::texture2D Texture(1);
Texture[0] = gli::image2D(glm::uvec2(Size), gli::RGB8U);
memcpy(Texture[0].data(), &ImageData[0], ImageData.size());
gli::saveDDS9(Texture, "texture_perlin2d_256.dds");
}
{
float ImageData[256];
std::vector<glm::byte> ImageData(Size * Size * 3);
for(std::size_t y = 0; y < 16; ++y)
for(std::size_t x = 0; x < 16; ++x)
for(std::size_t y = 0; y < Size; ++y)
for(std::size_t x = 0; x < Size; ++x)
{
ImageData[x + y * 16] = glm::perlin(glm::vec3(x / 16.f, y / 16.f, 0.5f));
ImageData[(x + y * Size) * 3 + 0] = glm::byte(glm::perlin(glm::vec3(x / 16.f, y / 16.f, 0.5f)) * 128.f + 127.f);
ImageData[(x + y * Size) * 3 + 1] = ImageData[(x + y * Size) * 3 + 0];
ImageData[(x + y * Size) * 3 + 2] = ImageData[(x + y * Size) * 3 + 0];
}
gli::texture2D Texture(1);
Texture[0] = gli::image2D(glm::uvec2(Size), gli::RGB8U);
memcpy(Texture[0].data(), &ImageData[0], ImageData.size());
gli::saveDDS9(Texture, "texture_perlin3d_256.dds");
}
{
float ImageData[256];
std::vector<glm::byte> ImageData(Size * Size * 3);
for(std::size_t y = 0; y < 16; ++y)
for(std::size_t x = 0; x < 16; ++x)
for(std::size_t y = 0; y < Size; ++y)
for(std::size_t x = 0; x < Size; ++x)
{
ImageData[x + y * 16] = glm::perlin(glm::vec4(x / 16.f, y / 16.f, 0.5f, 0.5f));
ImageData[(x + y * Size) * 3 + 0] = glm::byte(glm::perlin(glm::vec4(x / 16.f, y / 16.f, 0.5f, 0.5f)) * 128.f + 127.f);
ImageData[(x + y * Size) * 3 + 1] = ImageData[(x + y * Size) * 3 + 0];
ImageData[(x + y * Size) * 3 + 2] = ImageData[(x + y * Size) * 3 + 0];
}
}
gli::texture2D Texture(1);
Texture[0] = gli::image2D(glm::uvec2(Size), gli::RGB8U);
memcpy(Texture[0].data(), &ImageData[0], ImageData.size());
gli::saveDDS9(Texture, "texture_perlin4d_256.dds");
}
return 0;
}
int test_perlin_pedioric()
{
std::size_t const Size = 256;
{
float ImageData[256];
std::vector<glm::byte> ImageData(Size * Size * 3);
for(std::size_t y = 0; y < 16; ++y)
for(std::size_t x = 0; x < 16; ++x)
for(std::size_t y = 0; y < Size; ++y)
for(std::size_t x = 0; x < Size; ++x)
{
ImageData[x + y * 16] = glm::perlin(glm::vec2(x / 16.f, y / 16.f), glm::vec2(0.5f));
ImageData[(x + y * Size) * 3 + 0] = glm::byte(glm::perlin(glm::vec2(x / 16.f, y / 16.f), glm::vec2(2.0f)) * 128.f + 127.f);
ImageData[(x + y * Size) * 3 + 1] = ImageData[(x + y * Size) * 3 + 0];
ImageData[(x + y * Size) * 3 + 2] = ImageData[(x + y * Size) * 3 + 0];
}
gli::texture2D Texture(1);
Texture[0] = gli::image2D(glm::uvec2(Size), gli::RGB8U);
memcpy(Texture[0].data(), &ImageData[0], ImageData.size());
gli::saveDDS9(Texture, "texture_perlin_pedioric_2d_256.dds");
}
{
float ImageData[256];
std::vector<glm::byte> ImageData(Size * Size * 3);
for(std::size_t y = 0; y < 16; ++y)
for(std::size_t x = 0; x < 16; ++x)
for(std::size_t y = 0; y < Size; ++y)
for(std::size_t x = 0; x < Size; ++x)
{
ImageData[x + y * 16] = glm::perlin(glm::vec3(x / 16.f, y / 16.f, 0.5f), glm::vec3(0.5f));
ImageData[(x + y * Size) * 3 + 0] = glm::byte(glm::perlin(glm::vec3(x / 16.f, y / 16.f, 0.5f), glm::vec3(2.0f)) * 128.f + 127.f);
ImageData[(x + y * Size) * 3 + 1] = ImageData[(x + y * Size) * 3 + 0];
ImageData[(x + y * Size) * 3 + 2] = ImageData[(x + y * Size) * 3 + 0];
}
gli::texture2D Texture(1);
Texture[0] = gli::image2D(glm::uvec2(Size), gli::RGB8U);
memcpy(Texture[0].data(), &ImageData[0], ImageData.size());
gli::saveDDS9(Texture, "texture_perlin_pedioric_3d_256.dds");
}
{
float ImageData[256];
std::vector<glm::byte> ImageData(Size * Size * 3);
for(std::size_t y = 0; y < 16; ++y)
for(std::size_t x = 0; x < 16; ++x)
for(std::size_t y = 0; y < Size; ++y)
for(std::size_t x = 0; x < Size; ++x)
{
ImageData[x + y * 16] = glm::perlin(glm::vec4(x / 16.f, y / 16.f, 0.5f, 0.5f), glm::vec4(0.5f));
ImageData[(x + y * Size) * 3 + 0] = glm::byte(glm::perlin(glm::vec4(x / 16.f, y / 16.f, 0.5f, 0.5f), glm::vec4(2.0f)) * 128.f + 127.f);
ImageData[(x + y * Size) * 3 + 1] = ImageData[(x + y * Size) * 3 + 0];
ImageData[(x + y * Size) * 3 + 2] = ImageData[(x + y * Size) * 3 + 0];
}
}
gli::texture2D Texture(1);
Texture[0] = gli::image2D(glm::uvec2(Size), gli::RGB8U);
memcpy(Texture[0].data(), &ImageData[0], ImageData.size());
gli::saveDDS9(Texture, "texture_perlin_pedioric_4d_256.dds");
}
return 0;
}

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