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author | Clément Foucault <foucault.clem@gmail.com> | 2022-01-26 23:57:44 +0300 |
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committer | Clément Foucault <foucault.clem@gmail.com> | 2022-01-27 00:03:58 +0300 |
commit | 4226c484bdbe7336f1221094916fcdfb12850034 (patch) | |
tree | 33428e72be40105c222ca77935ee1554b702facc /intern/cycles/kernel/svm/wavelength.h | |
parent | 55a6a8900aec81e94f4d82401d6051e3b5507c0e (diff) | |
parent | af87b6d8cb75d9d625378dee25d726a0d55f75c6 (diff) |
Merge branch 'draw-viewport-data' into eevee-rewrite
# Conflicts:
# release/scripts/startup/bl_ui/properties_data_camera.py
# source/blender/blenkernel/BKE_camera.h
# source/blender/blenkernel/BKE_node.h
# source/blender/blenkernel/intern/camera.c
# source/blender/blenlib/BLI_float2.hh
# source/blender/blenlib/BLI_float3.hh
# source/blender/blenlib/BLI_float4.hh
# source/blender/blenlib/BLI_math_geom.h
# source/blender/blenlib/intern/math_geom.c
# source/blender/draw/CMakeLists.txt
# source/blender/draw/engines/basic/basic_engine.c
# source/blender/draw/engines/eevee/eevee_cryptomatte.c
# source/blender/draw/engines/eevee/eevee_effects.c
# source/blender/draw/engines/eevee/eevee_engine.c
# source/blender/draw/engines/eevee/eevee_lightcache.c
# source/blender/draw/engines/eevee/eevee_lightcache.h
# source/blender/draw/engines/eevee/eevee_lightprobes.c
# source/blender/draw/engines/eevee/eevee_lights.c
# source/blender/draw/engines/eevee/eevee_materials.c
# source/blender/draw/engines/eevee/eevee_motion_blur.c
# source/blender/draw/engines/eevee/eevee_occlusion.c
# source/blender/draw/engines/eevee/eevee_private.h
# source/blender/draw/engines/eevee/eevee_render.c
# source/blender/draw/engines/eevee/eevee_renderpasses.c
# source/blender/draw/engines/eevee/eevee_sampling.c
# source/blender/draw/engines/eevee/eevee_screen_raytrace.c
# source/blender/draw/engines/eevee/eevee_shaders.c
# source/blender/draw/engines/eevee/eevee_shadows.c
# source/blender/draw/engines/eevee/eevee_shadows_cube.c
# source/blender/draw/engines/eevee/eevee_temporal_sampling.c
# source/blender/draw/engines/eevee/shaders/ambient_occlusion_lib.glsl
# source/blender/draw/engines/eevee/shaders/closure_eval_lib.glsl
# source/blender/draw/engines/eevee/shaders/common_utiltex_lib.glsl
# source/blender/draw/engines/eevee/shaders/effect_dof_bokeh_frag.glsl
# source/blender/draw/engines/eevee/shaders/effect_dof_gather_frag.glsl
# source/blender/draw/engines/eevee/shaders/effect_dof_reduce_frag.glsl
# source/blender/draw/engines/eevee/shaders/effect_reflection_resolve_frag.glsl
# source/blender/draw/engines/eevee/shaders/effect_temporal_aa.glsl
# source/blender/draw/engines/eevee/shaders/random_lib.glsl
# source/blender/draw/engines/eevee/shaders/shadow_vert.glsl
# source/blender/draw/engines/eevee/shaders/surface_lib.glsl
# source/blender/draw/engines/eevee/shaders/surface_vert.glsl
# source/blender/draw/engines/eevee/shaders/volumetric_lib.glsl
# source/blender/draw/engines/external/external_engine.c
# source/blender/draw/engines/gpencil/gpencil_engine.c
# source/blender/draw/engines/image/image_engine.c
# source/blender/draw/engines/overlay/overlay_engine.c
# source/blender/draw/engines/select/select_engine.c
# source/blender/draw/engines/workbench/shaders/workbench_volume_frag.glsl
# source/blender/draw/engines/workbench/shaders/workbench_volume_vert.glsl
# source/blender/draw/engines/workbench/workbench_engine.c
# source/blender/draw/engines/workbench/workbench_shader.c
# source/blender/draw/intern/DRW_render.h
# source/blender/draw/intern/draw_debug.h
# source/blender/draw/intern/draw_manager_data.c
# source/blender/draw/intern/draw_manager_exec.c
# source/blender/draw/intern/draw_view_data.h
# source/blender/gpu/CMakeLists.txt
# source/blender/gpu/GPU_material.h
# source/blender/gpu/GPU_shader.h
# source/blender/gpu/GPU_state.h
# source/blender/gpu/GPU_vertex_buffer.h
# source/blender/gpu/intern/gpu_codegen.c
# source/blender/gpu/intern/gpu_material.c
# source/blender/gpu/intern/gpu_material_library.h
# source/blender/gpu/intern/gpu_node_graph.c
# source/blender/gpu/intern/gpu_texture_private.hh
# source/blender/gpu/intern/gpu_vertex_buffer.cc
# source/blender/gpu/opengl/gl_shader.cc
# source/blender/gpu/shaders/gpu_shader_common_obinfos_lib.glsl
# source/blender/gpu/shaders/material/gpu_shader_material_shader_to_rgba.glsl
# source/blender/nodes/shader/node_shader_tree.cc
# source/blender/nodes/shader/nodes/node_shader_background.cc
# source/blender/nodes/shader/nodes/node_shader_bsdf_anisotropic.cc
# source/blender/nodes/shader/nodes/node_shader_bsdf_diffuse.cc
# source/blender/nodes/shader/nodes/node_shader_bsdf_glass.cc
# source/blender/nodes/shader/nodes/node_shader_bsdf_glossy.cc
# source/blender/nodes/shader/nodes/node_shader_bsdf_hair.cc
# source/blender/nodes/shader/nodes/node_shader_bsdf_hair_principled.c
# source/blender/nodes/shader/nodes/node_shader_bsdf_principled.c
# source/blender/nodes/shader/nodes/node_shader_bsdf_refraction.cc
# source/blender/nodes/shader/nodes/node_shader_bsdf_toon.cc
# source/blender/nodes/shader/nodes/node_shader_bsdf_translucent.cc
# source/blender/nodes/shader/nodes/node_shader_bsdf_transparent.cc
# source/blender/nodes/shader/nodes/node_shader_bsdf_velvet.cc
# source/blender/nodes/shader/nodes/node_shader_eevee_specular.cc
# source/blender/nodes/shader/nodes/node_shader_emission.cc
# source/blender/nodes/shader/nodes/node_shader_holdout.cc
# source/blender/nodes/shader/nodes/node_shader_output_material.cc
# source/blender/nodes/shader/nodes/node_shader_subsurface_scattering.c
# source/blender/nodes/shader/nodes/node_shader_tex_coord.cc
# source/blender/nodes/shader/nodes/node_shader_vector_transform.cc
# source/blender/nodes/shader/nodes/node_shader_volume_absorption.cc
# source/blender/nodes/shader/nodes/node_shader_volume_principled.cc
# source/blender/nodes/shader/nodes/node_shader_volume_scatter.cc
# source/blender/render/RE_pipeline.h
# source/blender/render/intern/initrender.c
Diffstat (limited to 'intern/cycles/kernel/svm/wavelength.h')
-rw-r--r-- | intern/cycles/kernel/svm/wavelength.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/intern/cycles/kernel/svm/wavelength.h b/intern/cycles/kernel/svm/wavelength.h new file mode 100644 index 00000000000..6e25224243f --- /dev/null +++ b/intern/cycles/kernel/svm/wavelength.h @@ -0,0 +1,68 @@ +/* + * Adapted from Open Shading Language with this license: + * + * Copyright (c) 2009-2010 Sony Pictures Imageworks Inc., et al. + * All Rights Reserved. + * + * Modifications Copyright 2013, Blender Foundation. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Sony Pictures Imageworks nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#pragma once + +CCL_NAMESPACE_BEGIN + +/* Wavelength to RGB */ + +ccl_device_noinline void svm_node_wavelength(KernelGlobals kg, + ccl_private ShaderData *sd, + ccl_private float *stack, + uint wavelength, + uint color_out) +{ + float lambda_nm = stack_load_float(stack, wavelength); + float ii = (lambda_nm - 380.0f) * (1.0f / 5.0f); // scaled 0..80 + int i = float_to_int(ii); + float3 color; + + if (i < 0 || i >= 80) { + color = make_float3(0.0f, 0.0f, 0.0f); + } + else { + ii -= i; + ccl_constant float *c = cie_colour_match[i]; + color = interp(make_float3(c[0], c[1], c[2]), make_float3(c[3], c[4], c[5]), ii); + } + + color = xyz_to_rgb(kg, color); + color *= 1.0f / 2.52f; // Empirical scale from lg to make all comps <= 1 + + /* Clamp to zero if values are smaller */ + color = max(color, make_float3(0.0f, 0.0f, 0.0f)); + + stack_store_float3(stack, color_out, color); +} + +CCL_NAMESPACE_END |