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blender/intern/cycles/kernel/kernel.cpp

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Cycles render engine, initial commit. This is the engine itself, blender modifications and build instructions will follow later. Cycles uses code from some great open source projects, many thanks them: * BVH building and traversal code from NVidia's "Understanding the Efficiency of Ray Traversal on GPUs": http://code.google.com/p/understanding-the-efficiency-of-ray-traversal-on-gpus/ * Open Shading Language for a large part of the shading system: http://code.google.com/p/openshadinglanguage/ * Blender for procedural textures and a few other nodes. * Approximate Catmull Clark subdivision from NVidia Mesh tools: http://code.google.com/p/nvidia-mesh-tools/ * Sobol direction vectors from: http://web.maths.unsw.edu.au/~fkuo/sobol/ * Film response functions from: http://www.cs.columbia.edu/CAVE/software/softlib/dorf.php
2011-04-27 11:58:34 +00:00
/*
* 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.
*/
/* CPU kernel entry points */
#include "kernel.h"
#include "kernel_compat_cpu.h"
#include "kernel_math.h"
#include "kernel_types.h"
#include "kernel_globals.h"
#include "kernel_film.h"
#include "kernel_path.h"
#include "kernel_displace.h"
CCL_NAMESPACE_BEGIN
/* Globals */
KernelGlobals *kernel_globals_create()
{
KernelGlobals *kg = new KernelGlobals();
#ifdef WITH_OSL
kg->osl.use = false;
#endif
return kg;
}
void kernel_globals_free(KernelGlobals *kg)
{
delete kg;
}
/* OSL */
#ifdef WITH_OSL
void *kernel_osl_memory(KernelGlobals *kg)
{
return (void*)&kg->osl;
}
bool kernel_osl_use(KernelGlobals *kg)
{
return kg->osl.use;
}
#endif
/* Memory Copy */
void kernel_const_copy(KernelGlobals *kg, const char *name, void *host, size_t size)
{
if(strcmp(name, "__data") == 0)
memcpy(&kg->__data, host, size);
else
assert(0);
}
void kernel_tex_copy(KernelGlobals *kg, const char *name, device_ptr mem, size_t width, size_t height)
{
Cycles: internal changes that should have no effect on user level yet, added shader flags for various purposes, and some code for light types other than points.
2011-09-27 20:37:24 +00:00
if(0) {
Cycles render engine, initial commit. This is the engine itself, blender modifications and build instructions will follow later. Cycles uses code from some great open source projects, many thanks them: * BVH building and traversal code from NVidia's "Understanding the Efficiency of Ray Traversal on GPUs": http://code.google.com/p/understanding-the-efficiency-of-ray-traversal-on-gpus/ * Open Shading Language for a large part of the shading system: http://code.google.com/p/openshadinglanguage/ * Blender for procedural textures and a few other nodes. * Approximate Catmull Clark subdivision from NVidia Mesh tools: http://code.google.com/p/nvidia-mesh-tools/ * Sobol direction vectors from: http://web.maths.unsw.edu.au/~fkuo/sobol/ * Film response functions from: http://www.cs.columbia.edu/CAVE/software/softlib/dorf.php
2011-04-27 11:58:34 +00:00
}
Cycles: internal changes that should have no effect on user level yet, added shader flags for various purposes, and some code for light types other than points.
2011-09-27 20:37:24 +00:00
#define KERNEL_TEX(type, ttype, tname) \
else if(strcmp(name, #tname) == 0) { \
kg->tname.data = (type*)mem; \
kg->tname.width = width; \
Cycles render engine, initial commit. This is the engine itself, blender modifications and build instructions will follow later. Cycles uses code from some great open source projects, many thanks them: * BVH building and traversal code from NVidia's "Understanding the Efficiency of Ray Traversal on GPUs": http://code.google.com/p/understanding-the-efficiency-of-ray-traversal-on-gpus/ * Open Shading Language for a large part of the shading system: http://code.google.com/p/openshadinglanguage/ * Blender for procedural textures and a few other nodes. * Approximate Catmull Clark subdivision from NVidia Mesh tools: http://code.google.com/p/nvidia-mesh-tools/ * Sobol direction vectors from: http://web.maths.unsw.edu.au/~fkuo/sobol/ * Film response functions from: http://www.cs.columbia.edu/CAVE/software/softlib/dorf.php
2011-04-27 11:58:34 +00:00
}
Cycles: internal changes that should have no effect on user level yet, added shader flags for various purposes, and some code for light types other than points.
2011-09-27 20:37:24 +00:00
#define KERNEL_IMAGE_TEX(type, ttype, tname)
#include "kernel_textures.h"
Cycles: float texture support. Due to GPU limitations there are now 95 byte, and 5 float image textures. For CPU render this limit will be lifted later on with image cache support. Patch by Mike Farnsworth. Also changed color space option in image/environment texture node, to show options Color and Non-Color Data, instead of sRGB and Linear, this is more descriptive, and it was not really correct to equate Non-Color Data with Linear.
2012-03-07 12:27:18 +00:00
else if(strstr(name, "__tex_image_float")) {
texture_image_float4 *tex = NULL;
int id = atoi(name + strlen("__tex_image_float_"));
switch(id) {
case 95: tex = &kg->__tex_image_float_095; break;
case 96: tex = &kg->__tex_image_float_096; break;
case 97: tex = &kg->__tex_image_float_097; break;
case 98: tex = &kg->__tex_image_float_098; break;
case 99: tex = &kg->__tex_image_float_099; break;
default: break;
}
if(tex) {
tex->data = (float4*)mem;
tex->width = width;
tex->height = height;
}
}
Cycles render engine, initial commit. This is the engine itself, blender modifications and build instructions will follow later. Cycles uses code from some great open source projects, many thanks them: * BVH building and traversal code from NVidia's "Understanding the Efficiency of Ray Traversal on GPUs": http://code.google.com/p/understanding-the-efficiency-of-ray-traversal-on-gpus/ * Open Shading Language for a large part of the shading system: http://code.google.com/p/openshadinglanguage/ * Blender for procedural textures and a few other nodes. * Approximate Catmull Clark subdivision from NVidia Mesh tools: http://code.google.com/p/nvidia-mesh-tools/ * Sobol direction vectors from: http://web.maths.unsw.edu.au/~fkuo/sobol/ * Film response functions from: http://www.cs.columbia.edu/CAVE/software/softlib/dorf.php
2011-04-27 11:58:34 +00:00
else if(strstr(name, "__tex_image")) {
texture_image_uchar4 *tex = NULL;
int id = atoi(name + strlen("__tex_image_"));
switch(id) {
case 0: tex = &kg->__tex_image_000; break;
case 1: tex = &kg->__tex_image_001; break;
case 2: tex = &kg->__tex_image_002; break;
case 3: tex = &kg->__tex_image_003; break;
case 4: tex = &kg->__tex_image_004; break;
case 5: tex = &kg->__tex_image_005; break;
case 6: tex = &kg->__tex_image_006; break;
case 7: tex = &kg->__tex_image_007; break;
case 8: tex = &kg->__tex_image_008; break;
case 9: tex = &kg->__tex_image_009; break;
case 10: tex = &kg->__tex_image_010; break;
case 11: tex = &kg->__tex_image_011; break;
case 12: tex = &kg->__tex_image_012; break;
case 13: tex = &kg->__tex_image_013; break;
case 14: tex = &kg->__tex_image_014; break;
case 15: tex = &kg->__tex_image_015; break;
case 16: tex = &kg->__tex_image_016; break;
case 17: tex = &kg->__tex_image_017; break;
case 18: tex = &kg->__tex_image_018; break;
case 19: tex = &kg->__tex_image_019; break;
case 20: tex = &kg->__tex_image_020; break;
case 21: tex = &kg->__tex_image_021; break;
case 22: tex = &kg->__tex_image_022; break;
case 23: tex = &kg->__tex_image_023; break;
case 24: tex = &kg->__tex_image_024; break;
case 25: tex = &kg->__tex_image_025; break;
case 26: tex = &kg->__tex_image_026; break;
case 27: tex = &kg->__tex_image_027; break;
case 28: tex = &kg->__tex_image_028; break;
case 29: tex = &kg->__tex_image_029; break;
case 30: tex = &kg->__tex_image_030; break;
case 31: tex = &kg->__tex_image_031; break;
case 32: tex = &kg->__tex_image_032; break;
case 33: tex = &kg->__tex_image_033; break;
case 34: tex = &kg->__tex_image_034; break;
case 35: tex = &kg->__tex_image_035; break;
case 36: tex = &kg->__tex_image_036; break;
case 37: tex = &kg->__tex_image_037; break;
case 38: tex = &kg->__tex_image_038; break;
case 39: tex = &kg->__tex_image_039; break;
case 40: tex = &kg->__tex_image_040; break;
case 41: tex = &kg->__tex_image_041; break;
case 42: tex = &kg->__tex_image_042; break;
case 43: tex = &kg->__tex_image_043; break;
case 44: tex = &kg->__tex_image_044; break;
case 45: tex = &kg->__tex_image_045; break;
case 46: tex = &kg->__tex_image_046; break;
case 47: tex = &kg->__tex_image_047; break;
case 48: tex = &kg->__tex_image_048; break;
case 49: tex = &kg->__tex_image_049; break;
case 50: tex = &kg->__tex_image_050; break;
case 51: tex = &kg->__tex_image_051; break;
case 52: tex = &kg->__tex_image_052; break;
case 53: tex = &kg->__tex_image_053; break;
case 54: tex = &kg->__tex_image_054; break;
case 55: tex = &kg->__tex_image_055; break;
case 56: tex = &kg->__tex_image_056; break;
case 57: tex = &kg->__tex_image_057; break;
case 58: tex = &kg->__tex_image_058; break;
case 59: tex = &kg->__tex_image_059; break;
case 60: tex = &kg->__tex_image_060; break;
case 61: tex = &kg->__tex_image_061; break;
case 62: tex = &kg->__tex_image_062; break;
case 63: tex = &kg->__tex_image_063; break;
case 64: tex = &kg->__tex_image_064; break;
case 65: tex = &kg->__tex_image_065; break;
case 66: tex = &kg->__tex_image_066; break;
case 67: tex = &kg->__tex_image_067; break;
case 68: tex = &kg->__tex_image_068; break;
case 69: tex = &kg->__tex_image_069; break;
case 70: tex = &kg->__tex_image_070; break;
case 71: tex = &kg->__tex_image_071; break;
case 72: tex = &kg->__tex_image_072; break;
case 73: tex = &kg->__tex_image_073; break;
case 74: tex = &kg->__tex_image_074; break;
case 75: tex = &kg->__tex_image_075; break;
case 76: tex = &kg->__tex_image_076; break;
case 77: tex = &kg->__tex_image_077; break;
case 78: tex = &kg->__tex_image_078; break;
case 79: tex = &kg->__tex_image_079; break;
case 80: tex = &kg->__tex_image_080; break;
case 81: tex = &kg->__tex_image_081; break;
case 82: tex = &kg->__tex_image_082; break;
case 83: tex = &kg->__tex_image_083; break;
case 84: tex = &kg->__tex_image_084; break;
case 85: tex = &kg->__tex_image_085; break;
case 86: tex = &kg->__tex_image_086; break;
case 87: tex = &kg->__tex_image_087; break;
case 88: tex = &kg->__tex_image_088; break;
case 89: tex = &kg->__tex_image_089; break;
case 90: tex = &kg->__tex_image_090; break;
case 91: tex = &kg->__tex_image_091; break;
case 92: tex = &kg->__tex_image_092; break;
case 93: tex = &kg->__tex_image_093; break;
case 94: tex = &kg->__tex_image_094; break;
default: break;
}
if(tex) {
tex->data = (uchar4*)mem;
tex->width = width;
tex->height = height;
}
}
else
assert(0);
}
/* Path Tracing */
Cycles: Render Passes Currently supported passes: * Combined, Z, Normal, Object Index, Material Index, Emission, Environment, Diffuse/Glossy/Transmission x Direct/Indirect/Color Not supported yet: * UV, Vector, Mist Only enabled for CPU devices at the moment, will do GPU tweaks tommorrow, also for environment importance sampling. Documentation: http://wiki.blender.org/index.php/Doc:2.6/Manual/Render/Cycles/Passes
2012-01-25 17:23:52 +00:00
void kernel_cpu_path_trace(KernelGlobals *kg, float *buffer, unsigned int *rng_state, int sample, int x, int y, int offset, int stride)
Cycles render engine, initial commit. This is the engine itself, blender modifications and build instructions will follow later. Cycles uses code from some great open source projects, many thanks them: * BVH building and traversal code from NVidia's "Understanding the Efficiency of Ray Traversal on GPUs": http://code.google.com/p/understanding-the-efficiency-of-ray-traversal-on-gpus/ * Open Shading Language for a large part of the shading system: http://code.google.com/p/openshadinglanguage/ * Blender for procedural textures and a few other nodes. * Approximate Catmull Clark subdivision from NVidia Mesh tools: http://code.google.com/p/nvidia-mesh-tools/ * Sobol direction vectors from: http://web.maths.unsw.edu.au/~fkuo/sobol/ * Film response functions from: http://www.cs.columbia.edu/CAVE/software/softlib/dorf.php
2011-04-27 11:58:34 +00:00
{
Cycles: border rendering support, includes some refactoring in how pixels are accessed on devices.
2011-12-20 12:25:37 +00:00
kernel_path_trace(kg, buffer, rng_state, sample, x, y, offset, stride);
Cycles render engine, initial commit. This is the engine itself, blender modifications and build instructions will follow later. Cycles uses code from some great open source projects, many thanks them: * BVH building and traversal code from NVidia's "Understanding the Efficiency of Ray Traversal on GPUs": http://code.google.com/p/understanding-the-efficiency-of-ray-traversal-on-gpus/ * Open Shading Language for a large part of the shading system: http://code.google.com/p/openshadinglanguage/ * Blender for procedural textures and a few other nodes. * Approximate Catmull Clark subdivision from NVidia Mesh tools: http://code.google.com/p/nvidia-mesh-tools/ * Sobol direction vectors from: http://web.maths.unsw.edu.au/~fkuo/sobol/ * Film response functions from: http://www.cs.columbia.edu/CAVE/software/softlib/dorf.php
2011-04-27 11:58:34 +00:00
}
/* Tonemapping */
Cycles: Render Passes Currently supported passes: * Combined, Z, Normal, Object Index, Material Index, Emission, Environment, Diffuse/Glossy/Transmission x Direct/Indirect/Color Not supported yet: * UV, Vector, Mist Only enabled for CPU devices at the moment, will do GPU tweaks tommorrow, also for environment importance sampling. Documentation: http://wiki.blender.org/index.php/Doc:2.6/Manual/Render/Cycles/Passes
2012-01-25 17:23:52 +00:00
void kernel_cpu_tonemap(KernelGlobals *kg, uchar4 *rgba, float *buffer, int sample, int resolution, int x, int y, int offset, int stride)
Cycles render engine, initial commit. This is the engine itself, blender modifications and build instructions will follow later. Cycles uses code from some great open source projects, many thanks them: * BVH building and traversal code from NVidia's "Understanding the Efficiency of Ray Traversal on GPUs": http://code.google.com/p/understanding-the-efficiency-of-ray-traversal-on-gpus/ * Open Shading Language for a large part of the shading system: http://code.google.com/p/openshadinglanguage/ * Blender for procedural textures and a few other nodes. * Approximate Catmull Clark subdivision from NVidia Mesh tools: http://code.google.com/p/nvidia-mesh-tools/ * Sobol direction vectors from: http://web.maths.unsw.edu.au/~fkuo/sobol/ * Film response functions from: http://www.cs.columbia.edu/CAVE/software/softlib/dorf.php
2011-04-27 11:58:34 +00:00
{
Cycles: border rendering support, includes some refactoring in how pixels are accessed on devices.
2011-12-20 12:25:37 +00:00
kernel_film_tonemap(kg, rgba, buffer, sample, resolution, x, y, offset, stride);
Cycles render engine, initial commit. This is the engine itself, blender modifications and build instructions will follow later. Cycles uses code from some great open source projects, many thanks them: * BVH building and traversal code from NVidia's "Understanding the Efficiency of Ray Traversal on GPUs": http://code.google.com/p/understanding-the-efficiency-of-ray-traversal-on-gpus/ * Open Shading Language for a large part of the shading system: http://code.google.com/p/openshadinglanguage/ * Blender for procedural textures and a few other nodes. * Approximate Catmull Clark subdivision from NVidia Mesh tools: http://code.google.com/p/nvidia-mesh-tools/ * Sobol direction vectors from: http://web.maths.unsw.edu.au/~fkuo/sobol/ * Film response functions from: http://www.cs.columbia.edu/CAVE/software/softlib/dorf.php
2011-04-27 11:58:34 +00:00
}
Cycles code refactoring: change displace kernel into more generic shader evaluate kernel, added background shader evaluate.
2011-12-31 15:18:13 +00:00
/* Shader Evaluation */
Cycles render engine, initial commit. This is the engine itself, blender modifications and build instructions will follow later. Cycles uses code from some great open source projects, many thanks them: * BVH building and traversal code from NVidia's "Understanding the Efficiency of Ray Traversal on GPUs": http://code.google.com/p/understanding-the-efficiency-of-ray-traversal-on-gpus/ * Open Shading Language for a large part of the shading system: http://code.google.com/p/openshadinglanguage/ * Blender for procedural textures and a few other nodes. * Approximate Catmull Clark subdivision from NVidia Mesh tools: http://code.google.com/p/nvidia-mesh-tools/ * Sobol direction vectors from: http://web.maths.unsw.edu.au/~fkuo/sobol/ * Film response functions from: http://www.cs.columbia.edu/CAVE/software/softlib/dorf.php
2011-04-27 11:58:34 +00:00
Sample as Lamp option for world shaders, to enable multiple importance sampling. By default lighting from the world is computed solely with indirect light sampling. However for more complex environment maps this can be too noisy, as sampling the BSDF may not easily find the highlights in the environment map image. By enabling this option, the world background will be sampled as a lamp, with lighter parts automatically given more samples. Map Resolution specifies the size of the importance map (res x res). Before rendering starts, an importance map is generated by "baking" a grayscale image from the world shader. This will then be used to determine which parts of the background are light and so should receive more samples than darker parts. Higher resolutions will result in more accurate sampling but take more setup time and memory. Patch by Mike Farnsworth, thanks!
2012-01-20 17:49:17 +00:00
void kernel_cpu_shader(KernelGlobals *kg, uint4 *input, float4 *output, int type, int i)
Cycles render engine, initial commit. This is the engine itself, blender modifications and build instructions will follow later. Cycles uses code from some great open source projects, many thanks them: * BVH building and traversal code from NVidia's "Understanding the Efficiency of Ray Traversal on GPUs": http://code.google.com/p/understanding-the-efficiency-of-ray-traversal-on-gpus/ * Open Shading Language for a large part of the shading system: http://code.google.com/p/openshadinglanguage/ * Blender for procedural textures and a few other nodes. * Approximate Catmull Clark subdivision from NVidia Mesh tools: http://code.google.com/p/nvidia-mesh-tools/ * Sobol direction vectors from: http://web.maths.unsw.edu.au/~fkuo/sobol/ * Film response functions from: http://www.cs.columbia.edu/CAVE/software/softlib/dorf.php
2011-04-27 11:58:34 +00:00
{
Cycles code refactoring: change displace kernel into more generic shader evaluate kernel, added background shader evaluate.
2011-12-31 15:18:13 +00:00
kernel_shader_evaluate(kg, input, output, (ShaderEvalType)type, i);
Cycles render engine, initial commit. This is the engine itself, blender modifications and build instructions will follow later. Cycles uses code from some great open source projects, many thanks them: * BVH building and traversal code from NVidia's "Understanding the Efficiency of Ray Traversal on GPUs": http://code.google.com/p/understanding-the-efficiency-of-ray-traversal-on-gpus/ * Open Shading Language for a large part of the shading system: http://code.google.com/p/openshadinglanguage/ * Blender for procedural textures and a few other nodes. * Approximate Catmull Clark subdivision from NVidia Mesh tools: http://code.google.com/p/nvidia-mesh-tools/ * Sobol direction vectors from: http://web.maths.unsw.edu.au/~fkuo/sobol/ * Film response functions from: http://www.cs.columbia.edu/CAVE/software/softlib/dorf.php
2011-04-27 11:58:34 +00:00
}
CCL_NAMESPACE_END
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