Differential D4925 Diff 15542 source/blender/draw/engines/gpencil/gpencil_shader_fx.c

Changeset View

Standalone View

source/blender/draw/engines/gpencil/gpencil_shader_fx.c

Show First 20 Lines • Show All 113 Lines • ▼ Show 20 Lines	static void GPENCIL_dof_nearfar(Object *camera, float coc, float nearfar[2])
const DRWContextState *draw_ctx = DRW_context_state_get();		const DRWContextState *draw_ctx = DRW_context_state_get();
Scene *scene = draw_ctx->scene;		Scene *scene = draw_ctx->scene;
Camera cam = (Camera )camera->data;		Camera cam = (Camera )camera->data;

float fstop = cam->dof.aperture_fstop;		float fstop = cam->dof.aperture_fstop;
float focus_dist = BKE_camera_object_dof_distance(camera);		float focus_dist = BKE_camera_object_dof_distance(camera);
float focal_len = cam->lens;		float focal_len = cam->lens;

/* This is factor that converts to the scene scale. focal length and sensor are expressed in mm		const float scale_camera = 0.001f;
* unit.scale_length is how many meters per blender unit we have. We want to convert to blender
* units though because the shader reads coordinates in world space, which is in blender units.
* Note however that focus_distance is already in blender units and shall not be scaled here
* (see T48157). */
float scale = (scene->unit.system) ? scene->unit.scale_length : 1.0f;
float scale_camera = 0.001f / scale;
/* we want radius here for the aperture number */		/* we want radius here for the aperture number */
float aperture_scaled = 0.5f * scale_camera * focal_len / fstop;		float aperture_scaled = 0.5f * scale_camera * focal_len / fstop;
float focal_len_scaled = scale_camera * focal_len;		float focal_len_scaled = scale_camera * focal_len;

float hyperfocal = (focal_len_scaled * focal_len_scaled) / (aperture_scaled * coc);		float hyperfocal = (focal_len_scaled * focal_len_scaled) / (aperture_scaled * coc);
nearfar[0] = (hyperfocal * focus_dist) / (hyperfocal + focal_len);		nearfar[0] = (hyperfocal * focus_dist) / (hyperfocal + focal_len);
nearfar[1] = (hyperfocal * focus_dist) / (hyperfocal - focal_len);		nearfar[1] = (hyperfocal * focus_dist) / (hyperfocal - focal_len);
}		}
▲ Show 20 Lines • Show All 947 Lines • Show Last 20 Lines