From da7171d994d66198682a50f05954b629eb6fb4e4 Mon Sep 17 00:00:00 2001 From: Vito Caputo Date: Sat, 23 Dec 2017 22:56:24 -0800 Subject: ray: constify input scene and camera parameters also const the ray_euler_t basis --- src/modules/ray/ray_camera.c | 4 ++-- src/modules/ray/ray_camera.h | 8 ++++---- src/modules/ray/ray_euler.c | 2 +- src/modules/ray/ray_euler.h | 2 +- src/modules/ray/ray_render.c | 2 +- src/modules/ray/ray_render.h | 2 +- src/modules/ray/ray_render_object.h | 2 +- src/modules/ray/ray_render_object_plane.h | 2 +- src/modules/ray/ray_render_object_point.h | 2 +- src/modules/ray/ray_render_object_sphere.h | 2 +- 10 files changed, 14 insertions(+), 14 deletions(-) (limited to 'src') diff --git a/src/modules/ray/ray_camera.c b/src/modules/ray/ray_camera.c index a709d6f..b942cf3 100644 --- a/src/modules/ray/ray_camera.c +++ b/src/modules/ray/ray_camera.c @@ -21,7 +21,7 @@ static ray_3f_t project_corner(ray_3f_t *forward, ray_3f_t *left, ray_3f_t *up, /* Produce vectors for the corners of the entire camera frame, used for interpolation. */ -static void project_corners(ray_camera_t *camera, ray_camera_frame_t *frame) +static void project_corners(const ray_camera_t *camera, ray_camera_frame_t *frame) { ray_3f_t forward, left, up, right, down; float half_horiz = (float)camera->width * 0.5f; @@ -39,7 +39,7 @@ static void project_corners(ray_camera_t *camera, ray_camera_frame_t *frame) /* Prepare a frame of camera projection, initializing res_frame. */ -void ray_camera_frame_prepare(ray_camera_t *camera, ray_camera_frame_t *res_frame) +void ray_camera_frame_prepare(const ray_camera_t *camera, ray_camera_frame_t *res_frame) { res_frame->camera = camera; diff --git a/src/modules/ray/ray_camera.h b/src/modules/ray/ray_camera.h index 889beb9..e393beb 100644 --- a/src/modules/ray/ray_camera.h +++ b/src/modules/ray/ray_camera.h @@ -20,10 +20,10 @@ typedef struct ray_camera_t { typedef struct ray_camera_frame_t { - ray_camera_t *camera; /* the camera supplied to frame_begin() */ + const ray_camera_t *camera; /* the camera supplied to frame_begin() */ - ray_3f_t nw, ne, sw, se; /* directions pointing through the corners of the frame fragment */ - float x_delta, y_delta; /* interpolation step delta along the x and y axis */ + ray_3f_t nw, ne, sw, se; /* directions pointing through the corners of the frame fragment */ + float x_delta, y_delta; /* interpolation step delta along the x and y axis */ } ray_camera_frame_t; @@ -38,7 +38,7 @@ typedef struct ray_camera_fragment_t { } ray_camera_fragment_t; -void ray_camera_frame_prepare(ray_camera_t *camera, ray_camera_frame_t *res_frame); +void ray_camera_frame_prepare(const ray_camera_t *camera, ray_camera_frame_t *res_frame); void ray_camera_fragment_begin(ray_camera_frame_t *frame, fb_fragment_t *fb_fragment, ray_ray_t *res_ray, ray_camera_fragment_t *res_fragment); diff --git a/src/modules/ray/ray_euler.c b/src/modules/ray/ray_euler.c index 8709fa3..f143e25 100644 --- a/src/modules/ray/ray_euler.c +++ b/src/modules/ray/ray_euler.c @@ -5,7 +5,7 @@ #include "ray_euler.h" /* produce orthonormal basis vectors from euler angles, rotated in the specified order */ -void ray_euler_basis(ray_euler_t *e, ray_3f_t *forward, ray_3f_t *up, ray_3f_t *left) +void ray_euler_basis(const ray_euler_t *e, ray_3f_t *forward, ray_3f_t *up, ray_3f_t *left) { float cos_yaw = cosf(e->yaw); float sin_yaw = sinf(e->yaw); diff --git a/src/modules/ray/ray_euler.h b/src/modules/ray/ray_euler.h index 3a74cab..39da17e 100644 --- a/src/modules/ray/ray_euler.h +++ b/src/modules/ray/ray_euler.h @@ -28,6 +28,6 @@ typedef struct ray_euler_t { #define RAY_EULER_DEGREES(_deg) \ (_deg * (2 * M_PI / 360.0f)) -void ray_euler_basis(ray_euler_t *e, ray_3f_t *forward, ray_3f_t *up, ray_3f_t *left); +void ray_euler_basis(const ray_euler_t *e, ray_3f_t *forward, ray_3f_t *up, ray_3f_t *left); #endif diff --git a/src/modules/ray/ray_render.c b/src/modules/ray/ray_render.c index c17e1b9..4ca168f 100644 --- a/src/modules/ray/ray_render.c +++ b/src/modules/ray/ray_render.c @@ -216,7 +216,7 @@ void ray_render_trace_fragment(ray_render_t *render, fb_fragment_t *fb_fragment) /* prepare the scene for rendering with camera, must be called whenever anything in the scene+camera pair has been changed. */ /* this is basically a time for the raytracer to precompute whatever it can which otherwise ends up occurring per-ray */ /* the camera is included so primary rays which all have a common origin may be optimized for */ -ray_render_t * ray_render_new(ray_scene_t *scene, ray_camera_t *camera) +ray_render_t * ray_render_new(const ray_scene_t *scene, const ray_camera_t *camera) { ray_render_t *render; ray_object_t *object; diff --git a/src/modules/ray/ray_render.h b/src/modules/ray/ray_render.h index a6d6c67..dfd769f 100644 --- a/src/modules/ray/ray_render.h +++ b/src/modules/ray/ray_render.h @@ -8,7 +8,7 @@ typedef struct ray_render_t ray_render_t; -ray_render_t * ray_render_new(ray_scene_t *scene, ray_camera_t *camera); +ray_render_t * ray_render_new(const ray_scene_t *scene, const ray_camera_t *camera); void ray_render_free(ray_render_t *render); void ray_render_trace_fragment(ray_render_t *render, fb_fragment_t *fb_fragment); diff --git a/src/modules/ray/ray_render_object.h b/src/modules/ray/ray_render_object.h index 5b4ce25..1136eee 100644 --- a/src/modules/ray/ray_render_object.h +++ b/src/modules/ray/ray_render_object.h @@ -25,7 +25,7 @@ typedef union ray_render_object_t { * If the object has any pre-calculating to do, this is where it happens. * The pre-calculated stuff is object-resident under a _prepared struct member. */ -static inline ray_render_object_t ray_render_object_prepare(ray_object_t *object, ray_camera_t *camera) +static inline ray_render_object_t ray_render_object_prepare(const ray_object_t *object, const ray_camera_t *camera) { ray_render_object_t prepared = { .type = object->type }; diff --git a/src/modules/ray/ray_render_object_plane.h b/src/modules/ray/ray_render_object_plane.h index e5c6fa7..6e00089 100644 --- a/src/modules/ray/ray_render_object_plane.h +++ b/src/modules/ray/ray_render_object_plane.h @@ -15,7 +15,7 @@ typedef struct ray_render_object_plane_t { } ray_render_object_plane_t; -static ray_render_object_plane_t ray_render_object_plane_prepare(ray_object_plane_t *plane, ray_camera_t *camera) +static ray_render_object_plane_t ray_render_object_plane_prepare(const ray_object_plane_t *plane, const ray_camera_t *camera) { ray_render_object_plane_t prepared = { .object = *plane }; diff --git a/src/modules/ray/ray_render_object_point.h b/src/modules/ray/ray_render_object_point.h index 43e48a1..52c6fd6 100644 --- a/src/modules/ray/ray_render_object_point.h +++ b/src/modules/ray/ray_render_object_point.h @@ -14,7 +14,7 @@ typedef struct ray_render_object_point_t { } ray_render_object_point_t; -static ray_render_object_point_t ray_render_object_point_prepare(ray_object_point_t *point, ray_camera_t *camera) +static ray_render_object_point_t ray_render_object_point_prepare(const ray_object_point_t *point, const ray_camera_t *camera) { ray_render_object_point_t prepared = { .object = *point }; diff --git a/src/modules/ray/ray_render_object_sphere.h b/src/modules/ray/ray_render_object_sphere.h index 548eb6b..addf1f5 100644 --- a/src/modules/ray/ray_render_object_sphere.h +++ b/src/modules/ray/ray_render_object_sphere.h @@ -21,7 +21,7 @@ typedef struct ray_render_object_sphere_t { } ray_render_object_sphere_t; -static ray_render_object_sphere_t ray_render_object_sphere_prepare(ray_object_sphere_t *sphere, ray_camera_t *camera) +static ray_render_object_sphere_t ray_render_object_sphere_prepare(const ray_object_sphere_t *sphere, const ray_camera_t *camera) { ray_render_object_sphere_t prepared = { .object = *sphere }; -- cgit v1.2.1