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169 linhas
3.6 KiB
169 linhas
3.6 KiB
#include "test_scaffold.h"
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#include "gp/array.hpp"
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#include "gp/math.hpp"
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#include "gp/rendering/renderer.hpp"
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#include "gp/rendering/bmp_viewport.hpp"
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#include <cmath>
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#include <fstream>
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#include <iomanip>
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#include <iostream>
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#include <chrono>
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struct sin_test : public test_scaffold {
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sin_test() {
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name = __FILE__ ":1";
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}
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virtual int run() {
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int res = 0;
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for(float i = 0; i < 100; i += 0.1) {
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float v = gp::sin(i);
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float ref = sin(i);
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res += 0.3 < gp::abs<float>(ref - v)*100.0/(gp::abs(ref+0.00000001));
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}
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for(float i = 0; i < 100; i += 0.1) {
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float v = gp::cos(i);
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float ref = cos(i);
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res += 0.3 < gp::abs<float>(ref - v)*100.0/(gp::abs(ref+0.00000001));
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}
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return res;
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}
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};
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append_test dummy_mldffh6f(new sin_test{});
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struct render_test : public test_scaffold {
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render_test() {
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name = __FILE__ ":2";
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}
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virtual int run() {
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int res = 0;
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renderer a;
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a._resolution = vec2{128,64};
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a.passes = 5;
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a.projection_end = 3;
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a.sky_box = [](vec3) -> color_t {
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color_t ret;
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ret.r() = 0.5;
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ret.g() = 0.5;
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ret.b() = 1;
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ret.a() = 1;
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return ret;
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};
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auto red = a.materials.push(
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[&](vec3 p) -> color_t {
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color_t ret;
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ret.r() = 1;
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ret.g() = 0;
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ret.b() = 0;
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ret.a() = 1;
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return ret;
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}
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);
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auto green = a.materials.push(
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[&](vec3 p) -> color_t {
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color_t ret;
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ret.r() = 0;
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ret.g() = 1;
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ret.b() = 0;
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ret.a() = 1;
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return ret;
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}
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);
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auto sphere = a.scene_elements.push(
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[&](vec3 pos) -> render_point {
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auto l_sdf = gp::difference_sdf<float>(
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gp::sphere_sdf<float>({0.0,0.0,0.0}, 1.0),
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gp::sphere_sdf<float>({-0.75,0.0,0.0}, 1.0)
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);
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render_point ret;
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ret.distance = l_sdf(pos);
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ret.material = red;
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return ret;
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}
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);
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auto sphere2 = a.scene_elements.push(
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[&](vec3 pos) -> render_point {
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auto l_sdf_b = gp::sphere_sdf<float>({-0.75,0.0,0.0}, 1.0);
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render_point ret;
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ret.distance = l_sdf_b(pos);
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ret.material = green;
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return ret;
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}
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);
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a._camera.position = vec3{0, 0, -2};
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a._camera.normal = vec3{0, 0, 1};
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using pic_color = gp::vec4_g<uint8_t>;
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gp::bmp_viewport<true, pic_color> vp{
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{128,64},
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[&](gp::vec2_g<int32_t> p) -> pic_color {
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auto orig = a.render({(float)p.x,(float)p.y});
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pic_color ret{};
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ret.x = (uint8_t)(orig.x*255);
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ret.y = (uint8_t)(orig.y*255);
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ret.z = (uint8_t)(orig.z*255);
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ret.w = (uint8_t)(orig.w*255);
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return ret;
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}
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};
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gp::array<char, 300000>* buff = new gp::array<char, 300000>();
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auto begin = std::chrono::steady_clock::now();
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auto r_end = vp.write(buff->as_buffer());
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auto end = std::chrono::steady_clock::now();
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std::cout << "render time: " << std::chrono::duration_cast<std::chrono::microseconds>(end - begin).count() << std::endl;
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auto myfile = std::fstream("render.bmp", std::ios::out | std::ios::binary);
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myfile.write(buff->begin().data, r_end - buff->begin());
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myfile.close();
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delete buff;
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//gp_config::assertion(a.render(vec2{64,32}).x == color_t{1.0,0,0,1.0}.x, "red sphere not perceived");
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//gp_config::assertion(a.render(vec2{0,0}).x == color_t{0.0,0,1.0,1.0}.x, "blue sky not perceived");
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return res;
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}
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};
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append_test dummy_pzj6f(new render_test{});
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struct function_test : public test_scaffold {
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function_test() {
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name = __FILE__ ":3";
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}
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virtual int run() {
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int res = 0;
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gp::function<float(vec3)> l_sdf_b{gp::sphere_sdf<float>({0.0,0.0,0.0}, 1.0)};
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{
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gp::function<float(vec3)> sdf{l_sdf_b};
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gp_config::assertion(l_sdf_b(vec3(0,0,0)) == -1 && sdf(vec3(0,0,0)) == -1, "Bad sdf");
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}
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return res;
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}
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};
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append_test dummy_ml8576f(new function_test{});
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