From 8340e615d46615894b44b4ffce5dc2dd86cbad40 Mon Sep 17 00:00:00 2001 From: Vito Caputo Date: Tue, 13 Dec 2016 07:57:56 -0800 Subject: ray: introduce a rudimentary ray tracer My first ray tracer, it only has spheres, planes, and point light sources. No texture mapping, no soft shadows, no global illumination. This is all very basic right now, the camera movement is simple and boring, but sufficient for further development and optimization. I made some effort to support multiple CPUs, it should detect the number of CPUs in the system and use enough pthreads to keep them busy. Jacco Bikker's tutorial on flipcode was the original impetus to do this, and definitely served as a guide early on. --- modules/ray/ray_threads.h | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 modules/ray/ray_threads.h (limited to 'modules/ray/ray_threads.h') diff --git a/modules/ray/ray_threads.h b/modules/ray/ray_threads.h new file mode 100644 index 0000000..b4c601d --- /dev/null +++ b/modules/ray/ray_threads.h @@ -0,0 +1,30 @@ +#ifndef _RAY_THREADS_H +#define _RAY_THREADS_H + +#include + +typedef struct ray_scene_t ray_scene_t; +typedef struct ray_camera_t ray_camera_t; +typedef struct fb_fragment_t fb_fragment_t; + +typedef struct ray_thread_t { + pthread_t thread; + pthread_mutex_t mutex; + pthread_cond_t cond; + ray_scene_t *scene; + ray_camera_t *camera; + fb_fragment_t *fragment; +} ray_thread_t; + +typedef struct ray_threads_t { + unsigned n_threads; + ray_thread_t threads[]; +} ray_threads_t; + + +ray_threads_t * ray_threads_create(unsigned num); +void ray_threads_destroy(ray_threads_t *threads); + +void ray_thread_fragment_submit(ray_thread_t *thread, ray_scene_t *scene, ray_camera_t *camera, fb_fragment_t *fragment); +void ray_thread_wait_idle(ray_thread_t *thread); +#endif -- cgit v1.2.1