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Diffstat (limited to 'modules/ray/ray.c')
| -rw-r--r-- | modules/ray/ray.c | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/modules/ray/ray.c b/modules/ray/ray.c deleted file mode 100644 index 60d08cf..0000000 --- a/modules/ray/ray.c +++ /dev/null @@ -1,161 +0,0 @@ -#include <stdint.h> -#include <inttypes.h> -#include <math.h> - -#include "fb.h" -#include "rototiller.h" -#include "util.h" - -#include "ray_camera.h" -#include "ray_object.h" -#include "ray_scene.h" -#include "ray_threads.h" - -/* Copyright (C) 2016 Vito Caputo <vcaputo@pengaru.com> */ - -/* ray trace a simple scene into the fragment */ -static void ray(fb_fragment_t *fragment) -{ - static ray_object_t objects[] = { - { - .plane = { - .type = RAY_OBJECT_TYPE_PLANE, - .surface = { - .color = { .x = 0.4, .y = 0.2, .z = 0.5 }, - .diffuse = 1.0f, - .specular = 0.2f, - }, - .normal = { .x = 0.0, .y = 1.0, .z = 0.0 }, - .distance = -3.2f, - } - }, { - .sphere = { - .type = RAY_OBJECT_TYPE_SPHERE, - .surface = { - .color = { .x = 1.0, .y = 0.0, .z = 0.0 }, - .diffuse = 1.0f, - .specular = 0.05f, - }, - .center = { .x = 0.5, .y = 1.0, .z = 0.0 }, - .radius = 1.2f, - } - }, { - .sphere = { - .type = RAY_OBJECT_TYPE_SPHERE, - .surface = { - .color = { .x = 0.0, .y = 0.0, .z = 1.0 }, - .diffuse = 1.0f, - .specular = 1.0f, - }, - .center = { .x = -2.0, .y = 1.0, .z = 0.0 }, - .radius = 0.9f, - } - }, { - .sphere = { - .type = RAY_OBJECT_TYPE_SPHERE, - .surface = { - .color = { .x = 0.0, .y = 1.0, .z = 1.0 }, - .diffuse = 1.0f, - .specular = 1.0f, - }, - .center = { .x = 2.0, .y = -1.0, .z = 0.0 }, - .radius = 1.0f, - } - }, { - .sphere = { - .type = RAY_OBJECT_TYPE_SPHERE, - .surface = { - .color = { .x = 0.0, .y = 1.0, .z = 0.0 }, - .diffuse = 1.0f, - .specular = 1.0f, - }, - .center = { .x = 0.2, .y = -1.25, .z = 0.0 }, - .radius = 0.6f, - } - }, { - .light = { - .type = RAY_OBJECT_TYPE_LIGHT, - .brightness = 1.0, - .emitter = { - .point.type = RAY_LIGHT_EMITTER_TYPE_POINT, - .point.center = { .x = 3.0f, .y = 3.0f, .z = 3.0f }, - .point.surface = { - .color = { .x = 1.0f, .y = 1.0f, .z = 1.0f }, - }, - } - } - } - }; - - ray_camera_t camera = { - .position = { .x = 0.0, .y = 0.0, .z = 6.0 }, - .orientation = { - .yaw = RAY_EULER_DEGREES(0.0f), - .pitch = RAY_EULER_DEGREES(0.0f), - .roll = RAY_EULER_DEGREES(180.0f), - }, - .focal_length = 700.0f, - .width = fragment->width, - .height = fragment->height, - }; - - static ray_scene_t scene = { - .objects = objects, - .n_objects = nelems(objects), - .lights = &objects[5], - .n_lights = 1, - .ambient_color = { .x = 1.0f, .y = 1.0f, .z = 1.0f }, - .ambient_brightness = .04f, - }; - static int initialized; - static ray_threads_t *threads; - static fb_fragment_t *fragments; - static unsigned ncpus; -#if 1 - /* animated point light source */ - static double r; - - r += .02; - - scene.lights[0].light.emitter.point.center.x = cosf(r) * 3.5f; - scene.lights[0].light.emitter.point.center.z = sinf(r) * 3.5f; - camera.orientation.yaw = sinf(r) / 4; - camera.orientation.pitch = sinf(r * 10) / 100; - camera.orientation.roll = RAY_EULER_DEGREES(180.0f) + cosf(r) / 10; - camera.position.x = cosf(r) / 10; - camera.position.z = 4.0f + sinf(r) / 10; -#endif - - if (!initialized) { - initialized = 1; - ncpus = get_ncpus(); - - if (ncpus > 1) { - threads = ray_threads_create(ncpus - 1); - fragments = malloc(sizeof(fb_fragment_t) * ncpus); - } - } - - if (ncpus > 1) { - /* Always recompute the fragments[] geometry. - * This way the fragment geometry can change at any moment and things will - * continue functioning, which may prove important later on. - * (imagine things like a preview window, or perhaps composite modules - * which call on other modules supplying virtual fragments of varying dimensions..) - */ - fb_fragment_divide(fragment, ncpus, fragments); - } else { - fragments = fragment; - } - - ray_scene_render_fragments(&scene, &camera, threads, fragments); -} - - -rototiller_renderer_t ray_renderer = { - .render = ray, - .name = "ray", - .description = "Multi-threaded ray tracer", - .author = "Vito Caputo <vcaputo@pengaru.com>", - .license = "GPLv2", -}; |