test_ssol_solver9.c (6565B)
1 /* Copyright (C) 2018-2026 |Meso|Star> (contact@meso-star.com) 2 * Copyright (C) 2016, 2018 CNRS 3 * 4 * This program is free software: you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License as published by 6 * the Free Software Foundation, either version 3 of the License, or 7 * (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program. If not, see <http://www.gnu.org/licenses/>. */ 16 17 #include "ssol.h" 18 #include "test_ssol_utils.h" 19 #include "test_ssol_materials.h" 20 21 #include <rsys/math.h> 22 23 #define TGT_X 6 24 #define TGT_Y 10 25 #define PLANE_NAME TARGET 26 #define HALF_X (TGT_X / 2) 27 #define HALF_Y (TGT_Y / 2) 28 STATIC_ASSERT((HALF_X * 2 == TGT_X), ONLY_ENVEN_VALUES_FOR_TGT_X); 29 STATIC_ASSERT((HALF_Y * 2 == TGT_Y), ONLY_ENVEN_VALUES_FOR_TGT_Y); 30 #include "test_ssol_rect_geometry.h" 31 32 #define SZ MMAX(TGT_X, TGT_Y) 33 #define CUBE_NAME CUBE 34 #define HALF_X (SZ / 2) 35 #define HALF_Y (SZ / 2) 36 #define HALF_Z (SZ / 2) 37 STATIC_ASSERT((HALF_X * 2 == SZ), ONLY_ENVEN_VALUES_FOR_SZ); 38 #include "test_ssol_cube_geometry.h" 39 40 #include <rsys/double33.h> 41 42 #include <star/s3d.h> 43 #include <star/ssp.h> 44 45 static void 46 get_wlen(const size_t i, double* wlen, double* data, void* ctx) 47 { 48 double wavelengths[3] = { 1, 2, 3 }; 49 double intensities[3] = { 1, 0.8, 1 }; 50 CHK(i < 3); 51 (void) ctx; 52 *wlen = wavelengths[i]; 53 *data = intensities[i]; 54 } 55 56 int 57 main(int argc, char** argv) 58 { 59 struct mem_allocator allocator; 60 struct ssol_device* dev; 61 struct ssp_rng* rng; 62 struct ssol_scene* scene; 63 struct ssol_shape* square; 64 struct ssol_vertex_data attribs[1] = { SSOL_VERTEX_DATA_NULL__ }; 65 struct ssol_shape* cube; 66 struct ssol_material* m_mtl; 67 struct ssol_material* v_mtl; 68 struct ssol_mirror_shader shader = SSOL_MIRROR_SHADER_NULL; 69 struct ssol_object* m_object; 70 struct ssol_object* t_object; 71 struct ssol_instance* heliostat; 72 struct ssol_instance* target; 73 struct ssol_sun* sun; 74 struct ssol_spectrum* spectrum; 75 struct ssol_estimator* estimator; 76 struct ssol_mc_global mc_global; 77 struct ssol_mc_receiver mc_rcv; 78 double dir[3]; 79 double transform[12]; /* 3x4 column major matrix */ 80 size_t count; 81 82 (void) argc, (void) argv; 83 d3_splat(transform + 9, 0); 84 d33_rotation_pitch(transform, PI); /* flip faces: invert normal */ 85 transform[11] = 6; /* set it above the cube */ 86 87 mem_init_proxy_allocator(&allocator, &mem_default_allocator); 88 89 CHK(ssol_device_create 90 (NULL, &allocator, SSOL_NTHREADS_DEFAULT, 0, &dev) == RES_OK); 91 92 #define DNI 1000 93 CHK(ssp_rng_create(&allocator, SSP_RNG_THREEFRY, &rng) == RES_OK); 94 CHK(ssol_spectrum_create(dev, &spectrum) == RES_OK); 95 CHK(ssol_spectrum_setup(spectrum, get_wlen, 3, NULL) == RES_OK); 96 CHK(ssol_sun_create_directional(dev, &sun) == RES_OK); 97 CHK(ssol_sun_set_direction(sun, d3(dir, 0, 0, -1)) == RES_OK); 98 CHK(ssol_sun_set_spectrum(sun, spectrum) == RES_OK); 99 CHK(ssol_sun_set_dni(sun, DNI) == RES_OK); 100 CHK(ssol_scene_create(dev, &scene) == RES_OK); 101 CHK(ssol_scene_attach_sun(scene, sun) == RES_OK); 102 103 /* Create scene content */ 104 105 CHK(ssol_shape_create_mesh(dev, &square) == RES_OK); 106 attribs[0].usage = SSOL_POSITION; 107 attribs[0].get = get_position; 108 CHK(ssol_mesh_setup(square, TARGET_NTRIS__, get_ids, 109 TARGET_NVERTS__, attribs, 1, (void*) &TARGET_DESC__) == RES_OK); 110 111 CHK(ssol_shape_create_mesh(dev, &cube) == RES_OK); 112 CHK(ssol_mesh_setup(cube, CUBE_NTRIS__, get_ids, 113 CUBE_NVERTS__, attribs, 1, (void*) &CUBE_DESC__) == RES_OK); 114 115 CHK(ssol_material_create_mirror(dev, &m_mtl) == RES_OK); 116 shader.normal = get_shader_normal; 117 shader.reflectivity = get_shader_reflectivity; 118 shader.roughness = get_shader_roughness; 119 CHK(ssol_mirror_setup(m_mtl, &shader, SSOL_MICROFACET_BECKMANN) == RES_OK); 120 CHK(ssol_material_create_virtual(dev, &v_mtl) == RES_OK); 121 122 CHK(ssol_object_create(dev, &m_object) == RES_OK); 123 CHK(ssol_object_add_shaded_shape(m_object, cube, m_mtl, m_mtl) == RES_OK); 124 CHK(ssol_object_instantiate(m_object, &heliostat) == RES_OK); 125 CHK(ssol_scene_attach_instance(scene, heliostat) == RES_OK); 126 127 CHK(ssol_object_create(dev, &t_object) == RES_OK); 128 CHK(ssol_object_add_shaded_shape(t_object, square, v_mtl, v_mtl) == RES_OK); 129 CHK(ssol_object_instantiate(t_object, &target) == RES_OK); 130 CHK(ssol_instance_set_transform(target, transform) == RES_OK); 131 CHK(ssol_instance_set_receiver(target, SSOL_FRONT, 0) == RES_OK); 132 CHK(ssol_instance_sample(target, 0) == RES_OK); 133 CHK(ssol_scene_attach_instance(scene, target) == RES_OK); 134 135 #define N__ 100000 136 #define GET_MC_RCV ssol_estimator_get_mc_receiver 137 CHK(ssol_solve(scene, rng, N__, 0, NULL, &estimator) == RES_OK); 138 CHK(ssol_estimator_get_realisation_count(estimator, &count) == RES_OK); 139 CHK(count == N__); 140 CHK(ssol_estimator_get_failed_count(estimator, &count) == RES_OK); 141 CHK(count == 0); 142 #define DNI_TGT_S (DNI * TGT_X * TGT_Y) 143 #define DNI_S (DNI * SZ * SZ) 144 CHK(ssol_estimator_get_mc_global(estimator, &mc_global) == RES_OK); 145 print_global(&mc_global); 146 CHK(eq_eps(mc_global.cos_factor.E, 1./3., 3 * mc_global.cos_factor.SE)); 147 CHK(eq_eps(mc_global.shadowed.E, DNI_S, 3 * mc_global.shadowed.SE)); 148 CHK(eq_eps(mc_global.missing.E, MMAX(DNI_S, DNI_TGT_S), 149 3 * mc_global.missing.SE)); 150 CHK(GET_MC_RCV(estimator, target, SSOL_FRONT, &mc_rcv) == RES_OK); 151 printf("Ir(target1) = %g +/- %g\n", 152 mc_rcv.incoming_flux.E, mc_rcv.incoming_flux.SE); 153 CHK(eq_eps(mc_rcv.incoming_flux.E, MMIN(DNI_S, DNI_TGT_S), 154 3 * mc_rcv.incoming_flux.SE)); 155 156 /* Free data */ 157 CHK(ssol_instance_ref_put(heliostat) == RES_OK); 158 CHK(ssol_instance_ref_put(target) == RES_OK); 159 CHK(ssol_object_ref_put(m_object) == RES_OK); 160 CHK(ssol_object_ref_put(t_object) == RES_OK); 161 CHK(ssol_shape_ref_put(square) == RES_OK); 162 CHK(ssol_shape_ref_put(cube) == RES_OK); 163 CHK(ssol_material_ref_put(m_mtl) == RES_OK); 164 CHK(ssol_material_ref_put(v_mtl) == RES_OK); 165 CHK(ssol_estimator_ref_put(estimator) == RES_OK); 166 CHK(ssol_device_ref_put(dev) == RES_OK); 167 CHK(ssol_scene_ref_put(scene) == RES_OK); 168 CHK(ssp_rng_ref_put(rng) == RES_OK); 169 CHK(ssol_spectrum_ref_put(spectrum) == RES_OK); 170 CHK(ssol_sun_ref_put(sun) == RES_OK); 171 172 check_memory_allocator(&allocator); 173 mem_shutdown_proxy_allocator(&allocator); 174 CHK(mem_allocated_size() == 0); 175 176 return 0; 177 }