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128 linhas
3.1 KiB
128 linhas
3.1 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{1000,500};
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a.sky_box = [](vec3) -> color_t {return {0,0,0,0};};
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auto v = a.materials.push(
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[&](vec3 p) -> color_t {
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//return color_t{0,0,1,1};
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const float EPSILON = 0.001;
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/*vec3(
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a.sdf(vec3(p.x + EPSILON, p.y, p.z)).distance - a.sdf(vec3(p.x - EPSILON, p.y, p.z)).distance,
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a.sdf(vec3(p.x, p.y + EPSILON, p.z)).distance - a.sdf(vec3(p.x, p.y - EPSILON, p.z)).distance,
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a.sdf(vec3(p.x, p.y, p.z + EPSILON)).distance - a.sdf(vec3(p.x, p.y, p.z - EPSILON)).distance
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)*/
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auto normals = p.normalize();
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auto light = vec3(1,1,1).normalize();
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auto tmp = light*p;
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auto color = tmp.x+tmp.y+tmp.z;
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return vec4(vec3(color, color, color), 1.0);
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//return {v.normalize(), 1.0};
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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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render_point ret;
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ret.distance = gp::fixed_sqrt<float, 6>(pos.x*pos.x + pos.y*pos.y + pos.z*pos.z) - 1.0;
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ret.material = v;
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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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{1000,500},
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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, 400000000>* buff = new gp::array<char, 400000000>();
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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_ml8576f(new render_test{});
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