diff options
Diffstat (limited to 'intern/cycles/render/film.cpp')
| -rw-r--r-- | intern/cycles/render/film.cpp | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/intern/cycles/render/film.cpp b/intern/cycles/render/film.cpp new file mode 100644 index 00000000000..05874244605 --- /dev/null +++ b/intern/cycles/render/film.cpp @@ -0,0 +1,135 @@ +/* + * Copyright 2011, Blender Foundation. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#include "camera.h" +#include "device.h" +#include "film.h" +#include "film_response.h" +#include "scene.h" + +CCL_NAMESPACE_BEGIN + +static FilmResponseType find_response_type(const string& name) +{ + if(name == "" || name == "None") + return FILM_RESPONSE_NONE; + + for(size_t i = 0; i < FILM_RESPONSE_NUM; i++) { + FilmResponse *curve = &FILM_RESPONSE[i]; + if(curve->name == name) + return (FilmResponseType)i; + } + + return FILM_RESPONSE_NONE; +} + +Film::Film() +{ + exposure = 0.8f; + response = "Advantix 400"; + last_response = ""; + need_update = true; +} + +Film::~Film() +{ +} + +#if 0 +static void generate_python_enum() +{ + for(size_t i = 0; i < FILM_RESPONSE_NUM; i++) { + FilmResponse *curve = &FILM_RESPONSE[i]; + /*if(i == 0 || strcmp(curve->brand, FILM_RESPONSE[i-1].brand)) + printf("(\"\", \"%s\", \"\"),\n", curve->brand);*/ + printf("(\"%s\", \"%s %s\", \"\"),\n", curve->name, curve->brand, curve->name); + } +} +#endif + +void Film::device_update(Device *device, DeviceScene *dscene) +{ + if(!need_update) + return; + + KernelFilm *kfilm = &dscene->data.film; + + /* update __data */ + kfilm->exposure = exposure; + + FilmResponseType response_type = find_response_type(response); + + /* update __response_curves */ + if(response != last_response) { + device_free(device, dscene); + + if(response_type != FILM_RESPONSE_NONE) { + FilmResponse *curve = &FILM_RESPONSE[response_type]; + size_t response_curve_size = FILM_RESPONSE_SIZE; + + dscene->response_curve_R.copy(curve->B_R, response_curve_size); + + if(curve->rgb) { + dscene->response_curve_G.copy(curve->B_G, response_curve_size); + dscene->response_curve_B.copy(curve->B_B, response_curve_size); + } + else { + dscene->response_curve_G.copy(curve->B_R, response_curve_size); + dscene->response_curve_B.copy(curve->B_R, response_curve_size); + } + + device->tex_alloc("__response_curve_R", dscene->response_curve_R, true); + device->tex_alloc("__response_curve_G", dscene->response_curve_G, true); + device->tex_alloc("__response_curve_B", dscene->response_curve_B, true); + } + + last_response = response; + } + + kfilm->use_response_curve = (response_type != FILM_RESPONSE_NONE); + + need_update = false; +} + +void Film::device_free(Device *device, DeviceScene *dscene) +{ + device->tex_free(dscene->response_curve_R); + device->tex_free(dscene->response_curve_G); + device->tex_free(dscene->response_curve_B); + + dscene->response_curve_R.clear(); + dscene->response_curve_G.clear(); + dscene->response_curve_B.clear(); + + last_response = ""; +} + +bool Film::modified(const Film& film) +{ + return !(response == film.response && + exposure == film.exposure && + pass == film.pass); +} + +void Film::tag_update(Scene *scene) +{ + need_update = true; +} + +CCL_NAMESPACE_END + |