66b1dfae89
* Passes renamed to samples * Camera lens radius renamed to aperature size/blades/rotation * Glass and fresnel nodes input is now index of refraction * Glossy and velvet fresnel socket removed * Mix/add closure node renamed to mix/add shader node * Blend weight node added for shader mixing weights There is some version patching code for reading existing files, but it's not perfect, so shaders may work a bit different.
65 lines
2.0 KiB
C
65 lines
2.0 KiB
C
/*
|
|
* 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.
|
|
*/
|
|
|
|
CCL_NAMESPACE_BEGIN
|
|
|
|
__device float4 film_map(KernelGlobals *kg, float4 irradiance, int sample)
|
|
{
|
|
float scale = 1.0f/(float)(sample+1);
|
|
float exposure = kernel_data.film.exposure;
|
|
float4 result = irradiance*scale;
|
|
|
|
/* conversion to srgb */
|
|
result.x = color_scene_linear_to_srgb(result.x*exposure);
|
|
result.y = color_scene_linear_to_srgb(result.y*exposure);
|
|
result.z = color_scene_linear_to_srgb(result.z*exposure);
|
|
|
|
/* clamp since alpha might be > 1.0 due to russian roulette */
|
|
result.w = clamp(result.w, 0.0f, 1.0f);
|
|
|
|
return result;
|
|
}
|
|
|
|
__device uchar4 film_float_to_byte(float4 color)
|
|
{
|
|
uchar4 result;
|
|
|
|
/* simple float to byte conversion */
|
|
result.x = (uchar)clamp(color.x*255.0f, 0.0f, 255.0f);
|
|
result.y = (uchar)clamp(color.y*255.0f, 0.0f, 255.0f);
|
|
result.z = (uchar)clamp(color.z*255.0f, 0.0f, 255.0f);
|
|
result.w = (uchar)clamp(color.w*255.0f, 0.0f, 255.0f);
|
|
|
|
return result;
|
|
}
|
|
|
|
__device void kernel_film_tonemap(KernelGlobals *kg, __global uchar4 *rgba, __global float4 *buffer, int sample, int resolution, int x, int y)
|
|
{
|
|
int w = kernel_data.cam.width;
|
|
int index = x + y*w;
|
|
float4 irradiance = buffer[index];
|
|
|
|
float4 float_result = film_map(kg, irradiance, sample);
|
|
uchar4 byte_result = film_float_to_byte(float_result);
|
|
|
|
rgba[index] = byte_result;
|
|
}
|
|
|
|
CCL_NAMESPACE_END
|
|
|