diff options
Diffstat (limited to 'intern/cycles/kernel/osl/services_gpu.h')
| -rw-r--r-- | intern/cycles/kernel/osl/services_gpu.h | 2149 |
1 files changed, 2149 insertions, 0 deletions
diff --git a/intern/cycles/kernel/osl/services_gpu.h b/intern/cycles/kernel/osl/services_gpu.h new file mode 100644 index 00000000000..e6e19b8c484 --- /dev/null +++ b/intern/cycles/kernel/osl/services_gpu.h @@ -0,0 +1,2149 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * + * Adapted from Open Shading Language + * Copyright (c) 2009-2010 Sony Pictures Imageworks Inc., et al. + * All Rights Reserved. + * + * Modifications Copyright 2011-2022 Blender Foundation. */ + +#include "kernel/tables.h" +#include "kernel/util/differential.h" + +#include "kernel/osl/osl.h" + +namespace DeviceStrings { + +/* "" */ +ccl_device_constant DeviceString _emptystring_ = {0ull}; +/* "NDC" */ +ccl_device_constant DeviceString u_ndc = {5148305047403260775ull}; +/* "screen" */ +ccl_device_constant DeviceString u_screen = {14159088609039777114ull}; +/* "camera" */ +ccl_device_constant DeviceString u_camera = {2159505832145726196ull}; +/* "raster" */ +ccl_device_constant DeviceString u_raster = {7759263238610201778ull}; +/* "world" */ +ccl_device_constant DeviceString u_world = {16436542438370751598ull}; +/* "common" */ +ccl_device_constant DeviceString u_common = {14645198576927606093ull}; +/* "hsv" */ +ccl_device_constant DeviceString u_hsv = {2177035556331879497ull}; +/* "hsl" */ +ccl_device_constant DeviceString u_hsl = {7749766809258288148ull}; +/* "XYZ" */ +ccl_device_constant DeviceString u_xyz = {4957977063494975483ull}; +/* "xyY" */ +ccl_device_constant DeviceString u_xyy = {5138822319725660255ull}; +/* "sRGB" */ +ccl_device_constant DeviceString u_srgb = {15368599878474175032ull}; +/* "object:location" */ +ccl_device_constant DeviceString u_object_location = {7846190347358762897ull}; +/* "object:color" */ +ccl_device_constant DeviceString u_object_color = {12695623857059169556ull}; +/* "object:alpha" */ +ccl_device_constant DeviceString u_object_alpha = {11165053919428293151ull}; +/* "object:index" */ +ccl_device_constant DeviceString u_object_index = {6588325838217472556ull}; +/* "geom:dupli_generated" */ +ccl_device_constant DeviceString u_geom_dupli_generated = {6715607178003388908ull}; +/* "geom:dupli_uv" */ +ccl_device_constant DeviceString u_geom_dupli_uv = {1294253317490155849ull}; +/* "material:index" */ +ccl_device_constant DeviceString u_material_index = {741770758159634623ull}; +/* "object:random" */ +ccl_device_constant DeviceString u_object_random = {15789063994977955884ull}; +/* "particle:index" */ +ccl_device_constant DeviceString u_particle_index = {9489711748229903784ull}; +/* "particle:random" */ +ccl_device_constant DeviceString u_particle_random = {17993722202766855761ull}; +/* "particle:age" */ +ccl_device_constant DeviceString u_particle_age = {7380730644710951109ull}; +/* "particle:lifetime" */ +ccl_device_constant DeviceString u_particle_lifetime = {16576828923156200061ull}; +/* "particle:location" */ +ccl_device_constant DeviceString u_particle_location = {10309536211423573010ull}; +/* "particle:rotation" */ +ccl_device_constant DeviceString u_particle_rotation = {17858543768041168459ull}; +/* "particle:size" */ +ccl_device_constant DeviceString u_particle_size = {16461524249715420389ull}; +/* "particle:velocity" */ +ccl_device_constant DeviceString u_particle_velocity = {13199101248768308863ull}; +/* "particle:angular_velocity" */ +ccl_device_constant DeviceString u_particle_angular_velocity = {16327930120486517910ull}; +/* "geom:numpolyvertices" */ +ccl_device_constant DeviceString u_geom_numpolyvertices = {382043551489988826ull}; +/* "geom:trianglevertices" */ +ccl_device_constant DeviceString u_geom_trianglevertices = {17839267571524187074ull}; +/* "geom:polyvertices" */ +ccl_device_constant DeviceString u_geom_polyvertices = {1345577201967881769ull}; +/* "geom:name" */ +ccl_device_constant DeviceString u_geom_name = {13606338128269760050ull}; +/* "geom:undisplaced" */ +ccl_device_constant DeviceString u_geom_undisplaced = {12431586303019276305ull}; +/* "geom:is_smooth" */ +ccl_device_constant DeviceString u_is_smooth = {857544214094480123ull}; +/* "geom:is_curve" */ +ccl_device_constant DeviceString u_is_curve = {129742495633653138ull}; +/* "geom:curve_thickness" */ +ccl_device_constant DeviceString u_curve_thickness = {10605802038397633852ull}; +/* "geom:curve_length" */ +ccl_device_constant DeviceString u_curve_length = {11423459517663715453ull}; +/* "geom:curve_tangent_normal" */ +ccl_device_constant DeviceString u_curve_tangent_normal = {12301397394034985633ull}; +/* "geom:curve_random" */ +ccl_device_constant DeviceString u_curve_random = {15293085049960492358ull}; +/* "geom:is_point" */ +ccl_device_constant DeviceString u_is_point = {2511357849436175953ull}; +/* "geom:point_radius" */ +ccl_device_constant DeviceString u_point_radius = {9956381140398668479ull}; +/* "geom:point_position" */ +ccl_device_constant DeviceString u_point_position = {15684484280742966916ull}; +/* "geom:point_random" */ +ccl_device_constant DeviceString u_point_random = {5632627207092325544ull}; +/* "geom:normal_map_normal" */ +ccl_device_constant DeviceString u_normal_map_normal = {10718948685686827073}; +/* "path:ray_length" */ +ccl_device_constant DeviceString u_path_ray_length = {16391985802412544524ull}; +/* "path:ray_depth" */ +ccl_device_constant DeviceString u_path_ray_depth = {16643933224879500399ull}; +/* "path:diffuse_depth" */ +ccl_device_constant DeviceString u_path_diffuse_depth = {13191651286699118408ull}; +/* "path:glossy_depth" */ +ccl_device_constant DeviceString u_path_glossy_depth = {15717768399057252940ull}; +/* "path:transparent_depth" */ +ccl_device_constant DeviceString u_path_transparent_depth = {7821650266475578543ull}; +/* "path:transmission_depth" */ +ccl_device_constant DeviceString u_path_transmission_depth = {15113408892323917624ull}; + +} // namespace DeviceStrings + +/* Closure */ + +ccl_device_extern ccl_private OSLClosure *osl_mul_closure_color(ccl_private ShaderGlobals *sg, + ccl_private OSLClosure *a, + ccl_private const float3 *weight) +{ + if (*weight == zero_float3() || !a) { + return nullptr; + } + else if (*weight == one_float3()) { + return a; + } + + ccl_private ShaderData *const sd = static_cast<ccl_private ShaderData *>(sg->renderstate); + + ccl_private uint8_t *closure_pool = sd->osl_closure_pool; + /* Align pointer to closure struct requirement */ + closure_pool = reinterpret_cast<uint8_t *>( + (reinterpret_cast<size_t>(closure_pool) + alignof(OSLClosureMul) - 1) & + (-alignof(OSLClosureMul))); + sd->osl_closure_pool = closure_pool + sizeof(OSLClosureMul); + + ccl_private OSLClosureMul *const closure = reinterpret_cast<ccl_private OSLClosureMul *>( + closure_pool); + closure->id = OSL_CLOSURE_MUL_ID; + closure->weight = *weight; + closure->closure = a; + + return closure; +} + +ccl_device_extern ccl_private OSLClosure *osl_mul_closure_float(ccl_private ShaderGlobals *sg, + ccl_private OSLClosure *a, + float weight) +{ + if (weight == 0.0f || !a) { + return nullptr; + } + else if (weight == 1.0f) { + return a; + } + + ccl_private ShaderData *const sd = static_cast<ccl_private ShaderData *>(sg->renderstate); + + uint8_t *closure_pool = sd->osl_closure_pool; + /* Align pointer to closure struct requirement */ + closure_pool = reinterpret_cast<uint8_t *>( + (reinterpret_cast<size_t>(closure_pool) + alignof(OSLClosureMul) - 1) & + (-alignof(OSLClosureMul))); + sd->osl_closure_pool = closure_pool + sizeof(OSLClosureMul); + + ccl_private OSLClosureMul *const closure = reinterpret_cast<ccl_private OSLClosureMul *>( + closure_pool); + closure->id = OSL_CLOSURE_MUL_ID; + closure->weight = make_float3(weight, weight, weight); + closure->closure = a; + + return closure; +} + +ccl_device_extern ccl_private OSLClosure *osl_add_closure_closure(ccl_private ShaderGlobals *sg, + ccl_private OSLClosure *a, + ccl_private OSLClosure *b) +{ + if (!a) { + return b; + } + if (!b) { + return a; + } + + ccl_private ShaderData *const sd = static_cast<ccl_private ShaderData *>(sg->renderstate); + + ccl_private uint8_t *closure_pool = sd->osl_closure_pool; + /* Align pointer to closure struct requirement */ + closure_pool = reinterpret_cast<uint8_t *>( + (reinterpret_cast<size_t>(closure_pool) + alignof(OSLClosureAdd) - 1) & + (-alignof(OSLClosureAdd))); + sd->osl_closure_pool = closure_pool + sizeof(OSLClosureAdd); + + ccl_private OSLClosureAdd *const closure = reinterpret_cast<ccl_private OSLClosureAdd *>( + closure_pool); + closure->id = OSL_CLOSURE_ADD_ID; + closure->closureA = a; + closure->closureB = b; + + return closure; +} + +ccl_device_extern ccl_private OSLClosure *osl_allocate_closure_component( + ccl_private ShaderGlobals *sg, int id, int size) +{ + ccl_private ShaderData *const sd = static_cast<ccl_private ShaderData *>(sg->renderstate); + + ccl_private uint8_t *closure_pool = sd->osl_closure_pool; + /* Align pointer to closure struct requirement */ + closure_pool = reinterpret_cast<uint8_t *>( + (reinterpret_cast<size_t>(closure_pool) + alignof(OSLClosureComponent) - 1) & + (-alignof(OSLClosureComponent))); + sd->osl_closure_pool = closure_pool + sizeof(OSLClosureComponent) + size; + + ccl_private OSLClosureComponent *const closure = + reinterpret_cast<ccl_private OSLClosureComponent *>(closure_pool); + closure->id = static_cast<OSLClosureType>(id); + closure->weight = one_float3(); + + return closure; +} + +ccl_device_extern ccl_private OSLClosure *osl_allocate_weighted_closure_component( + ccl_private ShaderGlobals *sg, int id, int size, ccl_private const float3 *weight) +{ + ccl_private ShaderData *const sd = static_cast<ccl_private ShaderData *>(sg->renderstate); + + ccl_private uint8_t *closure_pool = sd->osl_closure_pool; + /* Align pointer to closure struct requirement */ + closure_pool = reinterpret_cast<uint8_t *>( + (reinterpret_cast<size_t>(closure_pool) + alignof(OSLClosureComponent) - 1) & + (-alignof(OSLClosureComponent))); + sd->osl_closure_pool = closure_pool + sizeof(OSLClosureComponent) + size; + + ccl_private OSLClosureComponent *const closure = + reinterpret_cast<ccl_private OSLClosureComponent *>(closure_pool); + closure->id = static_cast<OSLClosureType>(id); + closure->weight = *weight; + + return closure; +} + +/* Utilities */ + +#include "kernel/svm/math_util.h" +#include "kernel/util/color.h" + +ccl_device_extern void osl_error(ccl_private ShaderGlobals *sg, const char *format, void *args) +{ +} + +ccl_device_extern void osl_printf(ccl_private ShaderGlobals *sg, const char *format, void *args) +{ +} + +ccl_device_extern void osl_warning(ccl_private ShaderGlobals *sg, const char *format, void *args) +{ +} + +ccl_device_extern uint osl_range_check(int indexvalue, + int length, + DeviceString symname, + ccl_private ShaderGlobals *sg, + DeviceString sourcefile, + int sourceline, + DeviceString groupname, + int layer, + DeviceString layername, + DeviceString shadername) +{ + const int result = indexvalue < 0 ? 0 : indexvalue >= length ? length - 1 : indexvalue; +#if 0 + if (result != indexvalue) { + printf("Index [%d] out of range\n", indexvalue); + } +#endif + return result; +} + +ccl_device_extern uint osl_range_check_err(int indexvalue, + int length, + DeviceString symname, + ccl_private ShaderGlobals *sg, + DeviceString sourcefile, + int sourceline, + DeviceString groupname, + int layer, + DeviceString layername, + DeviceString shadername) +{ + return osl_range_check(indexvalue, + length, + symname, + sg, + sourcefile, + sourceline, + groupname, + layer, + layername, + shadername); +} + +/* Color Utilities */ + +ccl_device_extern void osl_blackbody_vf(ccl_private ShaderGlobals *sg, + ccl_private float3 *result, + float temperature) +{ + float3 color_rgb = rec709_to_rgb(nullptr, svm_math_blackbody_color_rec709(temperature)); + color_rgb = max(color_rgb, zero_float3()); + *result = color_rgb; +} + +#if 0 +ccl_device_extern void osl_wavelength_color_vf(ccl_private ShaderGlobals *sg, + ccl_private float3 *result, + float wavelength) +{ +} +#endif + +ccl_device_extern void osl_luminance_fv(ccl_private ShaderGlobals *sg, + ccl_private float *result, + ccl_private float3 *color) +{ + *result = linear_rgb_to_gray(nullptr, *color); +} + +ccl_device_extern void osl_luminance_dfdv(ccl_private ShaderGlobals *sg, + ccl_private float *result, + ccl_private float3 *color) +{ + for (int i = 0; i < 3; ++i) { + osl_luminance_fv(sg, result + i, color + i); + } +} + +ccl_device_extern void osl_prepend_color_from(ccl_private ShaderGlobals *sg, + ccl_private float3 *res, + DeviceString from) +{ + if (from == DeviceStrings::u_hsv) { + *res = hsv_to_rgb(*res); + } + else if (from == DeviceStrings::u_hsl) { + *res = hsl_to_rgb(*res); + } + else if (from == DeviceStrings::u_xyz) { + *res = xyz_to_rgb(nullptr, *res); + } + else if (from == DeviceStrings::u_xyy) { + *res = xyz_to_rgb(nullptr, xyY_to_xyz(res->x, res->y, res->z)); + } +} + +ccl_device_extern bool osl_transformc(ccl_private ShaderGlobals *sg, + ccl_private float3 *c_in, + int c_in_derivs, + ccl_private float3 *c_out, + int c_out_derivs, + DeviceString from, + DeviceString to) +{ + if (!c_out_derivs) { + c_in_derivs = false; + } + else if (!c_in_derivs) { + c_out[1] = zero_float3(); + c_out[2] = zero_float3(); + } + + float3 rgb; + + for (int i = 0; i < (c_in_derivs ? 3 : 1); ++i) { + if (from == DeviceStrings::u_hsv) { + rgb = hsv_to_rgb(c_in[i]); + } + else if (from == DeviceStrings::u_hsl) { + rgb = hsl_to_rgb(c_in[i]); + } + else if (from == DeviceStrings::u_xyz) { + rgb = xyz_to_rgb(nullptr, c_in[i]); + } + else if (from == DeviceStrings::u_xyy) { + rgb = xyz_to_rgb(nullptr, xyY_to_xyz(c_in[i].x, c_in[i].y, c_in[i].z)); + } + else if (from == DeviceStrings::u_srgb) { + rgb = color_srgb_to_linear_v3(c_in[i]); + } + else { + rgb = c_in[i]; + } + + if (to == DeviceStrings::u_hsv) { + c_out[i] = rgb_to_hsv(rgb); + } + else if (to == DeviceStrings::u_hsl) { + c_out[i] = rgb_to_hsl(rgb); + } +#if 0 + else if (to == DeviceStrings::u_xyz) { + c_out[i] = rgb_to_xyz(nullptr, rgb); + } + else if (to == DeviceStrings::u_xyy) { + c_out[i] = xyz_to_xyY(rgb_to_xyz(nullptr, rgb)); + } +#endif + else if (to == DeviceStrings::u_srgb) { + c_out[i] = color_linear_to_srgb_v3(rgb); + } + else { + c_out[i] = rgb; + } + } +} + +/* Matrix Utilities */ + +#include "util/transform.h" + +ccl_device_forceinline void copy_matrix(ccl_private float *res, const Transform &tfm) +{ + res[0] = tfm.x.x; + res[1] = tfm.y.x; + res[2] = tfm.z.x; + res[3] = 0.0f; + res[4] = tfm.x.y; + res[5] = tfm.y.y; + res[6] = tfm.z.y; + res[7] = 0.0f; + res[8] = tfm.x.z; + res[9] = tfm.y.z; + res[10] = tfm.z.z; + res[11] = 0.0f; + res[12] = tfm.x.w; + res[13] = tfm.y.w; + res[14] = tfm.z.w; + res[15] = 1.0f; +} +ccl_device_forceinline void copy_matrix(ccl_private float *res, const ProjectionTransform &tfm) +{ + res[0] = tfm.x.x; + res[1] = tfm.y.x; + res[2] = tfm.z.x; + res[3] = tfm.w.x; + res[4] = tfm.x.y; + res[5] = tfm.y.y; + res[6] = tfm.z.y; + res[7] = tfm.w.y; + res[8] = tfm.x.z; + res[9] = tfm.y.z; + res[10] = tfm.z.z; + res[11] = tfm.w.z; + res[12] = tfm.x.w; + res[13] = tfm.y.w; + res[14] = tfm.z.w; + res[15] = tfm.w.w; +} +ccl_device_forceinline void copy_identity_matrix(ccl_private float *res) +{ + res[0] = 1.0f; + res[1] = 0.0f; + res[2] = 0.0f; + res[3] = 0.0f; + res[4] = 0.0f; + res[5] = 1.0f; + res[6] = 0.0f; + res[7] = 0.0f; + res[8] = 0.0f; + res[9] = 0.0f; + res[10] = 1.0f; + res[11] = 0.0f; + res[12] = 0.0f; + res[13] = 0.0f; + res[14] = 0.0f; + res[15] = 1.0f; +} +ccl_device_forceinline Transform convert_transform(ccl_private const float *m) +{ + return make_transform( + m[0], m[4], m[8], m[12], m[1], m[5], m[9], m[13], m[2], m[6], m[10], m[14]); +} + +ccl_device_extern void osl_mul_mmm(ccl_private float *res, + ccl_private const float *a, + ccl_private const float *b) +{ + const Transform tfm_a = convert_transform(a); + const Transform tfm_b = convert_transform(b); + copy_matrix(res, tfm_a * tfm_b); +} + +ccl_device_extern void osl_mul_mmf(ccl_private float *res, ccl_private const float *a, float b) +{ + for (int i = 0; i < 16; ++i) { + res[i] = a[i] * b; + } +} + +ccl_device_extern void osl_div_mmm(ccl_private float *res, + ccl_private const float *a, + ccl_private const float *b) +{ + const Transform tfm_a = convert_transform(a); + const Transform tfm_b = convert_transform(b); + copy_matrix(res, tfm_a * transform_inverse(tfm_b)); +} + +ccl_device_extern void osl_div_mmf(ccl_private float *res, ccl_private const float *a, float b) +{ + for (int i = 0; i < 16; ++i) { + res[i] = a[i] / b; + } +} + +ccl_device_extern void osl_div_mfm(ccl_private float *res, float a, ccl_private const float *b) +{ + const Transform tfm_b = convert_transform(b); + copy_matrix(res, transform_inverse(tfm_b)); + for (int i = 0; i < 16; ++i) { + res[i] *= a; + } +} + +ccl_device_extern void osl_div_m_ff(ccl_private float *res, float a, float b) +{ + float f = (b == 0) ? 0.0f : (a / b); + res[0] = f; + res[1] = 0.0f; + res[2] = 0.0f; + res[3] = 0.0f; + res[4] = 0.0f; + res[5] = f; + res[6] = 0.0f; + res[7] = 0.0f; + res[8] = 0.0f; + res[9] = 0.0f; + res[10] = f; + res[11] = 0.0f; + res[12] = 0.0f; + res[13] = 0.0f; + res[14] = 0.0f; + res[15] = f; +} + +ccl_device_extern void osl_transform_vmv(ccl_private float3 *res, + ccl_private const float *m, + ccl_private const float3 *v) +{ + const Transform tfm_m = convert_transform(m); + *res = transform_point(&tfm_m, *v); +} + +ccl_device_extern void osl_transform_dvmdv(ccl_private float3 *res, + ccl_private const float *m, + ccl_private const float3 *v) +{ + for (int i = 0; i < 3; ++i) { + const Transform tfm_m = convert_transform(m + i * 16); + res[i] = transform_point(&tfm_m, v[i]); + } +} + +ccl_device_extern void osl_transformv_vmv(ccl_private float3 *res, + ccl_private const float *m, + ccl_private const float3 *v) +{ + const Transform tfm_m = convert_transform(m); + *res = transform_direction(&tfm_m, *v); +} + +ccl_device_extern void osl_transformv_dvmdv(ccl_private float3 *res, + ccl_private const float *m, + ccl_private const float3 *v) +{ + for (int i = 0; i < 3; ++i) { + const Transform tfm_m = convert_transform(m + i * 16); + res[i] = transform_direction(&tfm_m, v[i]); + } +} + +ccl_device_extern void osl_transformn_vmv(ccl_private float3 *res, + ccl_private const float *m, + ccl_private const float3 *v) +{ + const Transform tfm_m = convert_transform(m); + *res = transform_direction(&tfm_m, *v); +} + +ccl_device_extern void osl_transformn_dvmdv(ccl_private float3 *res, + ccl_private const float *m, + ccl_private const float3 *v) +{ + for (int i = 0; i < 3; ++i) { + const Transform tfm_m = convert_transform(m + i * 16); + res[i] = transform_direction(&tfm_m, v[i]); + } +} + +ccl_device_extern bool osl_get_matrix(ccl_private ShaderGlobals *sg, + ccl_private float *result, + DeviceString from) +{ + if (from == DeviceStrings::u_ndc) { + copy_matrix(result, kernel_data.cam.ndctoworld); + return true; + } + if (from == DeviceStrings::u_raster) { + copy_matrix(result, kernel_data.cam.rastertoworld); + return true; + } + if (from == DeviceStrings::u_screen) { + copy_matrix(result, kernel_data.cam.screentoworld); + return true; + } + if (from == DeviceStrings::u_camera) { + copy_matrix(result, kernel_data.cam.cameratoworld); + return true; + } + if (from == DeviceStrings::u_world) { + copy_identity_matrix(result); + return true; + } + + return false; +} + +ccl_device_extern bool osl_get_inverse_matrix(ccl_private ShaderGlobals *sg, + ccl_private float *res, + DeviceString to) +{ + if (to == DeviceStrings::u_ndc) { + copy_matrix(res, kernel_data.cam.worldtondc); + return true; + } + if (to == DeviceStrings::u_raster) { + copy_matrix(res, kernel_data.cam.worldtoraster); + return true; + } + if (to == DeviceStrings::u_screen) { + copy_matrix(res, kernel_data.cam.worldtoscreen); + return true; + } + if (to == DeviceStrings::u_camera) { + copy_matrix(res, kernel_data.cam.worldtocamera); + return true; + } + if (to == DeviceStrings::u_world) { + copy_identity_matrix(res); + return true; + } + + return false; +} + +ccl_device_extern bool osl_get_from_to_matrix(ccl_private ShaderGlobals *sg, + ccl_private float *res, + DeviceString from, + DeviceString to) +{ + float m_from[16], m_to[16]; + if (osl_get_matrix(sg, m_from, from) && osl_get_inverse_matrix(sg, m_to, to)) { + osl_mul_mmm(res, m_from, m_to); + return true; + } + + return false; +} + +ccl_device_extern void osl_prepend_matrix_from(ccl_private ShaderGlobals *sg, + ccl_private float *res, + DeviceString from) +{ + float m[16]; + if (osl_get_matrix(sg, m, from)) { + osl_mul_mmm(res, m, res); + } +} + +ccl_device_extern bool osl_transform_triple(ccl_private ShaderGlobals *sg, + ccl_private float3 *p_in, + int p_in_derivs, + ccl_private float3 *p_out, + int p_out_derivs, + DeviceString from, + DeviceString to, + int vectype) +{ + if (!p_out_derivs) { + p_in_derivs = false; + } + else if (!p_in_derivs) { + p_out[1] = zero_float3(); + p_out[2] = zero_float3(); + } + + bool res; + float m[16]; + + if (from == DeviceStrings::u_common) { + res = osl_get_inverse_matrix(sg, m, to); + } + else if (to == DeviceStrings::u_common) { + res = osl_get_matrix(sg, m, from); + } + else { + res = osl_get_from_to_matrix(sg, m, from, to); + } + + if (res) { + if (vectype == 2 /* TypeDesc::POINT */) { + if (p_in_derivs) + osl_transform_dvmdv(p_out, m, p_in); + else + osl_transform_vmv(p_out, m, p_in); + } + else if (vectype == 3 /* TypeDesc::VECTOR */) { + if (p_in_derivs) + osl_transformv_dvmdv(p_out, m, p_in); + else + osl_transformv_vmv(p_out, m, p_in); + } + else if (vectype == 4 /* TypeDesc::NORMAL */) { + if (p_in_derivs) + osl_transformn_dvmdv(p_out, m, p_in); + else + osl_transformn_vmv(p_out, m, p_in); + } + else { + res = false; + } + } + else { + p_out[0] = p_in[0]; + if (p_in_derivs) { + p_out[1] = p_in[1]; + p_out[2] = p_in[2]; + } + } + + return res; +} + +ccl_device_extern bool osl_transform_triple_nonlinear(ccl_private ShaderGlobals *sg, + ccl_private float3 *p_in, + int p_in_derivs, + ccl_private float3 *p_out, + int p_out_derivs, + DeviceString from, + DeviceString to, + int vectype) +{ + return osl_transform_triple(sg, p_in, p_in_derivs, p_out, p_out_derivs, from, to, vectype); +} + +ccl_device_extern void osl_transpose_mm(ccl_private float *res, ccl_private const float *m) +{ + copy_matrix(res, *reinterpret_cast<ccl_private const ProjectionTransform *>(m)); +} + +#if 0 +ccl_device_extern float osl_determinant_fm(ccl_private const float *m) +{ +} +#endif + +/* Attributes */ + +#include "kernel/geom/geom.h" + +typedef long long TypeDesc; + +ccl_device_inline bool set_attribute_float(ccl_private float fval[3], + TypeDesc type, + bool derivatives, + ccl_private void *val) +{ + const unsigned char type_basetype = type & 0xF; + const unsigned char type_aggregate = (type >> 8) & 0xF; + const int type_arraylen = type >> 32; + + if (type_basetype == 11 /* TypeDesc::FLOAT */) { + if ((type_aggregate == 2 /* TypeDesc::VEC2 */) || + (type_aggregate == 1 && type_arraylen == 2)) { + for (int i = 0; i < (derivatives ? 3 : 1); ++i) { + static_cast<ccl_private float *>(val)[i * 2 + 0] = fval[i]; + static_cast<ccl_private float *>(val)[i * 2 + 1] = fval[i]; + } + return true; + } + if ((type_aggregate == 3 /* TypeDesc::VEC3 */) || + (type_aggregate == 1 && type_arraylen == 3)) { + for (int i = 0; i < (derivatives ? 3 : 1); ++i) { + static_cast<ccl_private float *>(val)[i * 3 + 0] = fval[i]; + static_cast<ccl_private float *>(val)[i * 3 + 1] = fval[i]; + static_cast<ccl_private float *>(val)[i * 3 + 2] = fval[i]; + } + return true; + } + if ((type_aggregate == 4 /* TypeDesc::VEC4 */) || + (type_aggregate == 1 && type_arraylen == 4)) { + for (int i = 0; i < (derivatives ? 3 : 1); ++i) { + static_cast<ccl_private float *>(val)[i * 4 + 0] = fval[i]; + static_cast<ccl_private float *>(val)[i * 4 + 1] = fval[i]; + static_cast<ccl_private float *>(val)[i * 4 + 2] = fval[i]; + static_cast<ccl_private float *>(val)[i * 4 + 3] = 1.0f; + } + return true; + } + if ((type_aggregate == 1 /* TypeDesc::SCALAR */)) { + for (int i = 0; i < (derivatives ? 3 : 1); ++i) { + static_cast<ccl_private float *>(val)[i] = fval[i]; + } + return true; + } + } + + return false; +} +ccl_device_inline bool set_attribute_float(float f, + TypeDesc type, + bool derivatives, + ccl_private void *val) +{ + float fv[3]; + + fv[0] = f; + fv[1] = 0.0f; + fv[2] = 0.0f; + + return set_attribute_float(fv, type, derivatives, val); +} +ccl_device_inline bool set_attribute_float2(ccl_private float2 fval[3], + TypeDesc type, + bool derivatives, + ccl_private void *val) +{ + const unsigned char type_basetype = type & 0xF; + const unsigned char type_aggregate = (type >> 8) & 0xF; + const int type_arraylen = type >> 32; + + if (type_basetype == 11 /* TypeDesc::FLOAT */) { + if ((type_aggregate == 2 /* TypeDesc::VEC2 */) || + (type_aggregate == 1 && type_arraylen == 2)) { + for (int i = 0; i < (derivatives ? 3 : 1); ++i) { + static_cast<ccl_private float *>(val)[i * 2 + 0] = fval[i].x; + static_cast<ccl_private float *>(val)[i * 2 + 1] = fval[i].y; + } + return true; + } + if ((type_aggregate == 3 /* TypeDesc::VEC3 */) || + (type_aggregate == 1 && type_arraylen == 3)) { + for (int i = 0; i < (derivatives ? 3 : 1); ++i) { + static_cast<ccl_private float *>(val)[i * 3 + 0] = fval[i].x; + static_cast<ccl_private float *>(val)[i * 3 + 1] = fval[i].y; + static_cast<ccl_private float *>(val)[i * 3 + 2] = 0.0f; + } + return true; + } + if ((type_aggregate == 4 /* TypeDesc::VEC4 */) || + (type_aggregate == 1 && type_arraylen == 4)) { + for (int i = 0; i < (derivatives ? 3 : 1); ++i) { + static_cast<ccl_private float *>(val)[i * 4 + 0] = fval[i].x; + static_cast<ccl_private float *>(val)[i * 4 + 1] = fval[i].y; + static_cast<ccl_private float *>(val)[i * 4 + 2] = 0.0f; + static_cast<ccl_private float *>(val)[i * 4 + 3] = 1.0f; + } + return true; + } + if ((type_aggregate == 1 /* TypeDesc::SCALAR */)) { + for (int i = 0; i < (derivatives ? 3 : 1); ++i) { + static_cast<ccl_private float *>(val)[i] = fval[i].x; + } + return true; + } + } + + return false; +} +ccl_device_inline bool set_attribute_float3(ccl_private float3 fval[3], + TypeDesc type, + bool derivatives, + ccl_private void *val) +{ + const unsigned char type_basetype = type & 0xF; + const unsigned char type_aggregate = (type >> 8) & 0xF; + const int type_arraylen = type >> 32; + + if (type_basetype == 11 /* TypeDesc::FLOAT */) { + if ((type_aggregate == 3 /* TypeDesc::VEC3 */) || + (type_aggregate == 1 && type_arraylen == 3)) { + for (int i = 0; i < (derivatives ? 3 : 1); ++i) { + static_cast<ccl_private float *>(val)[i * 3 + 0] = fval[i].x; + static_cast<ccl_private float *>(val)[i * 3 + 1] = fval[i].y; + static_cast<ccl_private float *>(val)[i * 3 + 2] = fval[i].z; + } + return true; + } + if ((type_aggregate == 4 /* TypeDesc::VEC4 */) || + (type_aggregate == 1 && type_arraylen == 4)) { + for (int i = 0; i < (derivatives ? 3 : 1); ++i) { + static_cast<ccl_private float *>(val)[i * 4 + 0] = fval[i].x; + static_cast<ccl_private float *>(val)[i * 4 + 1] = fval[i].y; + static_cast<ccl_private float *>(val)[i * 4 + 2] = fval[i].z; + static_cast<ccl_private float *>(val)[i * 4 + 3] = 1.0f; + } + return true; + } + if ((type_aggregate == 1 /* TypeDesc::SCALAR */)) { + for (int i = 0; i < (derivatives ? 3 : 1); ++i) { + static_cast<ccl_private float *>(val)[i] = average(fval[i]); + } + return true; + } + } + + return false; +} +ccl_device_inline bool set_attribute_float3(float3 f, + TypeDesc type, + bool derivatives, + ccl_private void *val) +{ + float3 fv[3]; + + fv[0] = f; + fv[1] = make_float3(0.0f, 0.0f, 0.0f); + fv[2] = make_float3(0.0f, 0.0f, 0.0f); + + return set_attribute_float3(fv, type, derivatives, val); +} +ccl_device_inline bool set_attribute_float4(ccl_private float4 fval[3], + TypeDesc type, + bool derivatives, + ccl_private void *val) +{ + const unsigned char type_basetype = type & 0xF; + const unsigned char type_aggregate = (type >> 8) & 0xF; + const int type_arraylen = type >> 32; + + if (type_basetype == 11 /* TypeDesc::FLOAT */) { + if ((type_aggregate == 3 /* TypeDesc::VEC3 */) || + (type_aggregate == 1 && type_arraylen == 3)) { + for (int i = 0; i < (derivatives ? 3 : 1); ++i) { + static_cast<ccl_private float *>(val)[i * 3 + 0] = fval[i].x; + static_cast<ccl_private float *>(val)[i * 3 + 1] = fval[i].y; + static_cast<ccl_private float *>(val)[i * 3 + 2] = fval[i].z; + } + return true; + } + if ((type_aggregate == 4 /* TypeDesc::VEC4 */) || + (type_aggregate == 1 && type_arraylen == 4)) { + for (int i = 0; i < (derivatives ? 3 : 1); ++i) { + static_cast<ccl_private float *>(val)[i * 4 + 0] = fval[i].x; + static_cast<ccl_private float *>(val)[i * 4 + 1] = fval[i].y; + static_cast<ccl_private float *>(val)[i * 4 + 2] = fval[i].z; + static_cast<ccl_private float *>(val)[i * 4 + 3] = fval[i].w; + } + return true; + } + if ((type_aggregate == 1 /* TypeDesc::SCALAR */)) { + for (int i = 0; i < (derivatives ? 3 : 1); ++i) { + static_cast<ccl_private float *>(val)[i] = average(float4_to_float3(fval[i])); + } + return true; + } + } + + return false; +} +ccl_device_inline bool set_attribute_matrix(ccl_private const Transform &tfm, + TypeDesc type, + ccl_private void *val) +{ + const unsigned char type_basetype = type & 0xF; + const unsigned char type_aggregate = (type >> 8) & 0xF; + + if (type_basetype == 11 /* TypeDesc::FLOAT */ && type_aggregate == 16 /* TypeDesc::MATRIX44 */) { + copy_matrix(static_cast<ccl_private float *>(val), tfm); + return true; + } + + return false; +} + +ccl_device_inline bool get_background_attribute(KernelGlobals kg, + ccl_private ShaderData *sd, + DeviceString name, + TypeDesc type, + bool derivatives, + ccl_private void *val) +{ + if (name == DeviceStrings::u_path_ray_length) { + /* Ray Length */ + float f = sd->ray_length; + return set_attribute_float(f, type, derivatives, val); + } + + return false; +} + +ccl_device_inline bool get_object_attribute(KernelGlobals kg, + ccl_private ShaderData *sd, + const AttributeDescriptor &desc, + TypeDesc type, + bool derivatives, + ccl_private void *val) +{ + if (desc.type == NODE_ATTR_FLOAT) { + float fval[3]; +#ifdef __VOLUME__ + if (primitive_is_volume_attribute(sd, desc)) + fval[0] = primitive_volume_attribute_float(kg, sd, desc); + else +#endif + fval[0] = primitive_surface_attribute_float( + kg, sd, desc, derivatives ? &fval[1] : nullptr, derivatives ? &fval[2] : nullptr); + return set_attribute_float(fval, type, derivatives, val); + } + else if (desc.type == NODE_ATTR_FLOAT2) { + float2 fval[3]; +#ifdef __VOLUME__ + if (primitive_is_volume_attribute(sd, desc)) + return false; + else +#endif + fval[0] = primitive_surface_attribute_float2( + kg, sd, desc, derivatives ? &fval[1] : nullptr, derivatives ? &fval[2] : nullptr); + return set_attribute_float2(fval, type, derivatives, val); + } + else if (desc.type == NODE_ATTR_FLOAT3) { + float3 fval[3]; +#ifdef __VOLUME__ + if (primitive_is_volume_attribute(sd, desc)) + fval[0] = primitive_volume_attribute_float3(kg, sd, desc); + else +#endif + fval[0] = primitive_surface_attribute_float3( + kg, sd, desc, derivatives ? &fval[1] : nullptr, derivatives ? &fval[2] : nullptr); + return set_attribute_float3(fval, type, derivatives, val); + } + else if (desc.type == NODE_ATTR_FLOAT4 || desc.type == NODE_ATTR_RGBA) { + float4 fval[3]; +#ifdef __VOLUME__ + if (primitive_is_volume_attribute(sd, desc)) + fval[0] = primitive_volume_attribute_float4(kg, sd, desc); + else +#endif + fval[0] = primitive_surface_attribute_float4( + kg, sd, desc, derivatives ? &fval[1] : nullptr, derivatives ? &fval[2] : nullptr); + return set_attribute_float4(fval, type, derivatives, val); + } + else if (desc.type == NODE_ATTR_MATRIX) { + Transform tfm = primitive_attribute_matrix(kg, desc); + return set_attribute_matrix(tfm, type, val); + } + + return false; +} + +ccl_device_inline bool get_object_standard_attribute(KernelGlobals kg, + ccl_private ShaderData *sd, + DeviceString name, + TypeDesc type, + bool derivatives, + ccl_private void *val) +{ + /* Object attributes */ + if (name == DeviceStrings::u_object_location) { + float3 f = object_location(kg, sd); + return set_attribute_float3(f, type, derivatives, val); + } + else if (name == DeviceStrings::u_object_color) { + float3 f = object_color(kg, sd->object); + return set_attribute_float3(f, type, derivatives, val); + } + else if (name == DeviceStrings::u_object_alpha) { + float f = object_alpha(kg, sd->object); + return set_attribute_float(f, type, derivatives, val); + } + else if (name == DeviceStrings::u_object_index) { + float f = object_pass_id(kg, sd->object); + return set_attribute_float(f, type, derivatives, val); + } + else if (name == DeviceStrings::u_geom_dupli_generated) { + float3 f = object_dupli_generated(kg, sd->object); + return set_attribute_float3(f, type, derivatives, val); + } + else if (name == DeviceStrings::u_geom_dupli_uv) { + float3 f = object_dupli_uv(kg, sd->object); + return set_attribute_float3(f, type, derivatives, val); + } + else if (name == DeviceStrings::u_material_index) { + float f = shader_pass_id(kg, sd); + return set_attribute_float(f, type, derivatives, val); + } + else if (name == DeviceStrings::u_object_random) { + float f = object_random_number(kg, sd->object); + return set_attribute_float(f, type, derivatives, val); + } + + /* Particle attributes */ + else if (name == DeviceStrings::u_particle_index) { + int particle_id = object_particle_id(kg, sd->object); + float f = particle_index(kg, particle_id); + return set_attribute_float(f, type, derivatives, val); + } + else if (name == DeviceStrings::u_particle_random) { + int particle_id = object_particle_id(kg, sd->object); + float f = hash_uint2_to_float(particle_index(kg, particle_id), 0); + return set_attribute_float(f, type, derivatives, val); + } + + else if (name == DeviceStrings::u_particle_age) { + int particle_id = object_particle_id(kg, sd->object); + float f = particle_age(kg, particle_id); + return set_attribute_float(f, type, derivatives, val); + } + else if (name == DeviceStrings::u_particle_lifetime) { + int particle_id = object_particle_id(kg, sd->object); + float f = particle_lifetime(kg, particle_id); + return set_attribute_float(f, type, derivatives, val); + } + else if (name == DeviceStrings::u_particle_location) { + int particle_id = object_particle_id(kg, sd->object); + float3 f = particle_location(kg, particle_id); + return set_attribute_float3(f, type, derivatives, val); + } +#if 0 /* unsupported */ + else if (name == DeviceStrings::u_particle_rotation) { + int particle_id = object_particle_id(kg, sd->object); + float4 f = particle_rotation(kg, particle_id); + return set_attribute_float4(f, type, derivatives, val); + } +#endif + else if (name == DeviceStrings::u_particle_size) { + int particle_id = object_particle_id(kg, sd->object); + float f = particle_size(kg, particle_id); + return set_attribute_float(f, type, derivatives, val); + } + else if (name == DeviceStrings::u_particle_velocity) { + int particle_id = object_particle_id(kg, sd->object); + float3 f = particle_velocity(kg, particle_id); + return set_attribute_float3(f, type, derivatives, val); + } + else if (name == DeviceStrings::u_particle_angular_velocity) { + int particle_id = object_particle_id(kg, sd->object); + float3 f = particle_angular_velocity(kg, particle_id); + return set_attribute_float3(f, type, derivatives, val); + } + + /* Geometry attributes */ +#if 0 /* TODO */ + else if (name == DeviceStrings::u_geom_numpolyvertices) { + return false; + } + else if (name == DeviceStrings::u_geom_trianglevertices || + name == DeviceStrings::u_geom_polyvertices) { + return false; + } + else if (name == DeviceStrings::u_geom_name) { + return false; + } +#endif + else if (name == DeviceStrings::u_is_smooth) { + float f = ((sd->shader & SHADER_SMOOTH_NORMAL) != 0); + return set_attribute_float(f, type, derivatives, val); + } + +#ifdef __HAIR__ + /* Hair attributes */ + else if (name == DeviceStrings::u_is_curve) { + float f = (sd->type & PRIMITIVE_CURVE) != 0; + return set_attribute_float(f, type, derivatives, val); + } + else if (name == DeviceStrings::u_curve_thickness) { + float f = curve_thickness(kg, sd); + return set_attribute_float(f, type, derivatives, val); + } + else if (name == DeviceStrings::u_curve_tangent_normal) { + float3 f = curve_tangent_normal(kg, sd); + return set_attribute_float3(f, type, derivatives, val); + } + else if (name == DeviceStrings::u_curve_random) { + float f = curve_random(kg, sd); + return set_attribute_float(f, type, derivatives, val); + } +#endif + +#ifdef __POINTCLOUD__ + /* Point attributes */ + else if (name == DeviceStrings::u_is_point) { + float f = (sd->type & PRIMITIVE_POINT) != 0; + return set_attribute_float(f, type, derivatives, val); + } + else if (name == DeviceStrings::u_point_radius) { + float f = point_radius(kg, sd); + return set_attribute_float(f, type, derivatives, val); + } + else if (name == DeviceStrings::u_point_position) { + float3 f = point_position(kg, sd); + return set_attribute_float3(f, type, derivatives, val); + } + else if (name == DeviceStrings::u_point_random) { + float f = point_random(kg, sd); + return set_attribute_float(f, type, derivatives, val); + } +#endif + + else if (name == DeviceStrings::u_normal_map_normal) { + if (sd->type & PRIMITIVE_TRIANGLE) { + float3 f = triangle_smooth_normal_unnormalized(kg, sd, sd->Ng, sd->prim, sd->u, sd->v); + return set_attribute_float3(f, type, derivatives, val); + } + else { + return false; + } + } + + return get_background_attribute(kg, sd, name, type, derivatives, val); +} + +ccl_device_extern bool osl_get_attribute(ccl_private ShaderGlobals *sg, + int derivatives, + DeviceString object_name, + DeviceString name, + int array_lookup, + int index, + TypeDesc type, + ccl_private void *res) +{ + KernelGlobals kg = nullptr; + ccl_private ShaderData *const sd = static_cast<ccl_private ShaderData *>(sg->renderstate); + int object; + + if (object_name != DeviceStrings::_emptystring_) { + /* TODO: Get object index from name */ + return false; + } + else { + object = sd->object; + } + + const uint64_t id = name.hash(); + + const AttributeDescriptor desc = find_attribute(kg, object, sd->prim, sd->type, id); + if (desc.offset != ATTR_STD_NOT_FOUND) { + return get_object_attribute(kg, sd, desc, type, derivatives, res); + } + else { + return get_object_standard_attribute(kg, sd, name, type, derivatives, res); + } +} + +#if 0 +ccl_device_extern bool osl_bind_interpolated_param(ccl_private ShaderGlobals *sg, + DeviceString name, + long long type, + int userdata_has_derivs, + ccl_private void *userdata_data, + int symbol_has_derivs, + ccl_private void *symbol_data, + int symbol_data_size, + ccl_private void *userdata_initialized, + int userdata_index) +{ + return false; +} +#endif + +/* Noise */ + +#include "kernel/svm/noise.h" +#include "util/hash.h" + +ccl_device_extern uint osl_hash_ii(int x) +{ + return hash_uint(x); +} + +ccl_device_extern uint osl_hash_if(float x) +{ + return hash_uint(__float_as_uint(x)); +} + +ccl_device_extern uint osl_hash_iff(float x, float y) +{ + return hash_uint2(__float_as_uint(x), __float_as_uint(y)); +} + +ccl_device_extern uint osl_hash_iv(ccl_private const float3 *v) +{ + return hash_uint3(__float_as_uint(v->x), __float_as_uint(v->y), __float_as_uint(v->z)); +} + +ccl_device_extern uint osl_hash_ivf(ccl_private const float3 *v, float w) +{ + return hash_uint4( + __float_as_uint(v->x), __float_as_uint(v->y), __float_as_uint(v->z), __float_as_uint(w)); +} + +ccl_device_extern OSLNoiseOptions *osl_get_noise_options(ccl_private ShaderGlobals *sg) +{ + return nullptr; +} + +ccl_device_extern void osl_noiseparams_set_anisotropic(ccl_private OSLNoiseOptions *opt, + int anisotropic) +{ +} + +ccl_device_extern void osl_noiseparams_set_do_filter(ccl_private OSLNoiseOptions *opt, + int do_filter) +{ +} + +ccl_device_extern void osl_noiseparams_set_direction(ccl_private OSLNoiseOptions *opt, + float3 *direction) +{ +} + +ccl_device_extern void osl_noiseparams_set_bandwidth(ccl_private OSLNoiseOptions *opt, + float bandwidth) +{ +} + +ccl_device_extern void osl_noiseparams_set_impulses(ccl_private OSLNoiseOptions *opt, + float impulses) +{ +} + +#define OSL_NOISE_IMPL(name, op) \ + ccl_device_extern float name##_ff(float x) \ + { \ + return op##_1d(x); \ + } \ + ccl_device_extern float name##_fff(float x, float y) \ + { \ + return op##_2d(make_float2(x, y)); \ + } \ + ccl_device_extern float name##_fv(ccl_private const float3 *v) \ + { \ + return op##_3d(*v); \ + } \ + ccl_device_extern float name##_fvf(ccl_private const float3 *v, float w) \ + { \ + return op##_4d(make_float4(v->x, v->y, v->z, w)); \ + } \ + ccl_device_extern void name##_vf(ccl_private float3 *res, float x) \ + { \ + /* TODO: This is not correct. Really need to change the hash function inside the noise \ + * function to spit out a vector instead of a scalar. */ \ + const float n = name##_ff(x); \ + res->x = n; \ + res->y = n; \ + res->z = n; \ + } \ + ccl_device_extern void name##_vff(ccl_private float3 *res, float x, float y) \ + { \ + const float n = name##_fff(x, y); \ + res->x = n; \ + res->y = n; \ + res->z = n; \ + } \ + ccl_device_extern void name##_vv(ccl_private float3 *res, const float3 *v) \ + { \ + const float n = name##_fv(v); \ + res->x = n; \ + res->y = n; \ + res->z = n; \ + } \ + ccl_device_extern void name##_vvf(ccl_private float3 *res, const float3 *v, float w) \ + { \ + const float n = name##_fvf(v, w); \ + res->x = n; \ + res->y = n; \ + res->z = n; \ + } + +ccl_device_forceinline float hashnoise_1d(float p) +{ + const uint x = __float_as_uint(p); + return hash_uint(x) / static_cast<float>(~0u); +} +ccl_device_forceinline float hashnoise_2d(float2 p) +{ + const uint x = __float_as_uint(p.x); + const uint y = __float_as_uint(p.y); + return hash_uint2(x, y) / static_cast<float>(~0u); +} +ccl_device_forceinline float hashnoise_3d(float3 p) +{ + const uint x = __float_as_uint(p.x); + const uint y = __float_as_uint(p.y); + const uint z = __float_as_uint(p.z); + return hash_uint3(x, y, z) / static_cast<float>(~0u); +} +ccl_device_forceinline float hashnoise_4d(float4 p) +{ + const uint x = __float_as_uint(p.x); + const uint y = __float_as_uint(p.y); + const uint z = __float_as_uint(p.z); + const uint w = __float_as_uint(p.w); + return hash_uint4(x, y, z, w) / static_cast<float>(~0u); +} + +/* TODO: Implement all noise functions */ +OSL_NOISE_IMPL(osl_hashnoise, hashnoise) +OSL_NOISE_IMPL(osl_noise, noise) +OSL_NOISE_IMPL(osl_snoise, snoise) + +/* Texturing */ + +ccl_device_extern ccl_private OSLTextureOptions *osl_get_texture_options( + ccl_private ShaderGlobals *sg) +{ + return nullptr; +} + +ccl_device_extern void osl_texture_set_firstchannel(ccl_private OSLTextureOptions *opt, + int firstchannel) +{ +} + +ccl_device_extern void osl_texture_set_swrap_code(ccl_private OSLTextureOptions *opt, int mode) +{ +} + +ccl_device_extern void osl_texture_set_twrap_code(ccl_private OSLTextureOptions *opt, int mode) +{ +} + +ccl_device_extern void osl_texture_set_rwrap_code(ccl_private OSLTextureOptions *opt, int mode) +{ +} + +ccl_device_extern void osl_texture_set_stwrap_code(ccl_private OSLTextureOptions *opt, int mode) +{ +} + +ccl_device_extern void osl_texture_set_sblur(ccl_private OSLTextureOptions *opt, float blur) +{ +} + +ccl_device_extern void osl_texture_set_tblur(ccl_private OSLTextureOptions *opt, float blur) +{ +} + +ccl_device_extern void osl_texture_set_rblur(ccl_private OSLTextureOptions *opt, float blur) +{ +} + +ccl_device_extern void osl_texture_set_stblur(ccl_private OSLTextureOptions *opt, float blur) +{ +} + +ccl_device_extern void osl_texture_set_swidth(ccl_private OSLTextureOptions *opt, float width) +{ +} + +ccl_device_extern void osl_texture_set_twidth(ccl_private OSLTextureOptions *opt, float width) +{ +} + +ccl_device_extern void osl_texture_set_rwidth(ccl_private OSLTextureOptions *opt, float width) +{ +} + +ccl_device_extern void osl_texture_set_stwidth(ccl_private OSLTextureOptions *opt, float width) +{ +} + +ccl_device_extern void osl_texture_set_fill(ccl_private OSLTextureOptions *opt, float fill) +{ +} + +ccl_device_extern void osl_texture_set_time(ccl_private OSLTextureOptions *opt, float time) +{ +} + +ccl_device_extern void osl_texture_set_interp_code(ccl_private OSLTextureOptions *opt, int mode) +{ +} + +ccl_device_extern void osl_texture_set_subimage(ccl_private OSLTextureOptions *opt, int subimage) +{ +} + +ccl_device_extern void osl_texture_set_missingcolor_arena(ccl_private OSLTextureOptions *opt, + ccl_private float3 *color) +{ +} + +ccl_device_extern void osl_texture_set_missingcolor_alpha(ccl_private OSLTextureOptions *opt, + int nchannels, + float alpha) +{ +} + +ccl_device_extern bool osl_texture(ccl_private ShaderGlobals *sg, + DeviceString filename, + ccl_private void *texture_handle, + OSLTextureOptions *opt, + float s, + float t, + float dsdx, + float dtdx, + float dsdy, + float dtdy, + int nchannels, + ccl_private float *result, + ccl_private float *dresultdx, + ccl_private float *dresultdy, + ccl_private float *alpha, + ccl_private float *dalphadx, + ccl_private float *dalphady, + ccl_private void *errormessage) +{ + if (!texture_handle) { + return false; + } + + /* Only SVM textures are supported. */ + int id = static_cast<int>(reinterpret_cast<size_t>(texture_handle) - 1); + + const float4 rgba = kernel_tex_image_interp(nullptr, id, s, 1.0f - t); + + result[0] = rgba.x; + if (nchannels > 1) + result[1] = rgba.y; + if (nchannels > 2) + result[2] = rgba.z; + if (nchannels > 3) + result[3] = rgba.w; + + return true; +} + +ccl_device_extern bool osl_texture3d(ccl_private ShaderGlobals *sg, + DeviceString filename, + ccl_private void *texture_handle, + OSLTextureOptions *opt, + ccl_private const float3 *P, + ccl_private const float3 *dPdx, + ccl_private const float3 *dPdy, + ccl_private const float3 *dPdz, + int nchannels, + ccl_private float *result, + ccl_private float *dresultds, + ccl_private float *dresultdt, + ccl_private float *alpha, + ccl_private float *dalphadx, + ccl_private float *dalphady, + ccl_private void *errormessage) +{ + if (!texture_handle) { + return false; + } + + /* Only SVM textures are supported. */ + int id = static_cast<int>(reinterpret_cast<size_t>(texture_handle) - 1); + + const float4 rgba = kernel_tex_image_interp_3d(nullptr, id, *P, INTERPOLATION_NONE); + + result[0] = rgba.x; + if (nchannels > 1) + result[1] = rgba.y; + if (nchannels > 2) + result[2] = rgba.z; + if (nchannels > 3) + result[3] = rgba.w; + + return true; +} + +ccl_device_extern bool osl_environment(ccl_private ShaderGlobals *sg, + DeviceString filename, + ccl_private void *texture_handle, + OSLTextureOptions *opt, + ccl_private const float3 *R, + ccl_private const float3 *dRdx, + ccl_private const float3 *dRdy, + int nchannels, + ccl_private float *result, + ccl_private float *dresultds, + ccl_private float *dresultdt, + ccl_private float *alpha, + ccl_private float *dalphax, + ccl_private float *dalphay, + ccl_private void *errormessage) +{ + result[0] = 1.0f; + if (nchannels > 1) + result[1] = 0.0f; + if (nchannels > 2) + result[2] = 1.0f; + if (nchannels > 3) + result[3] = 1.0f; + + return false; +} + +ccl_device_extern bool osl_get_textureinfo(ccl_private ShaderGlobals *sg, + DeviceString filename, + ccl_private void *texture_handle, + DeviceString dataname, + int basetype, + int arraylen, + int aggegrate, + ccl_private void *data, + ccl_private void *errormessage) +{ + return false; +} + +ccl_device_extern bool osl_get_textureinfo_st(ccl_private ShaderGlobals *sg, + DeviceString filename, + ccl_private void *texture_handle, + float s, + float t, + DeviceString dataname, + int basetype, + int arraylen, + int aggegrate, + ccl_private void *data, + ccl_private void *errormessage) +{ + return osl_get_textureinfo( + sg, filename, texture_handle, dataname, basetype, arraylen, aggegrate, data, errormessage); +} + +/* Standard library */ + +#define OSL_OP_IMPL_II(name, op) \ + ccl_device_extern int name##_ii(int a) \ + { \ + return op(a); \ + } +#define OSL_OP_IMPL_IF(name, op) \ + ccl_device_extern int name##_if(float a) \ + { \ + return op(a); \ + } +#define OSL_OP_IMPL_FF(name, op) \ + ccl_device_extern float name##_ff(float a) \ + { \ + return op(a); \ + } +#define OSL_OP_IMPL_DFDF(name, op) \ + ccl_device_extern void name##_dfdf(ccl_private float *res, ccl_private const float *a) \ + { \ + for (int i = 0; i < 3; ++i) { \ + res[i] = op(a[i]); \ + } \ + } +#define OSL_OP_IMPL_DFDV(name, op) \ + ccl_device_extern void name##_dfdv(ccl_private float *res, ccl_private const float3 *a) \ + { \ + for (int i = 0; i < 3; ++i) { \ + res[i] = op(a[i]); \ + } \ + } +#define OSL_OP_IMPL_FV(name, op) \ + ccl_device_extern float name##_fv(ccl_private const float3 *a) \ + { \ + return op(*a); \ + } +#define OSL_OP_IMPL_VV(name, op) \ + ccl_device_extern void name##_vv(ccl_private float3 *res, ccl_private const float3 *a) \ + { \ + *res = op(*a); \ + } +#define OSL_OP_IMPL_VV_(name, op) \ + ccl_device_extern void name##_vv(ccl_private float3 *res, ccl_private const float3 *a) \ + { \ + res->x = op(a->x); \ + res->y = op(a->y); \ + res->z = op(a->z); \ + } +#define OSL_OP_IMPL_DVDV(name, op) \ + ccl_device_extern void name##_dvdv(ccl_private float3 *res, ccl_private const float3 *a) \ + { \ + for (int i = 0; i < 3; ++i) { \ + res[i] = op(a[i]); \ + } \ + } +#define OSL_OP_IMPL_DVDV_(name, op) \ + ccl_device_extern void name##_dvdv(ccl_private float3 *res, ccl_private const float3 *a) \ + { \ + for (int i = 0; i < 3; ++i) { \ + res[i].x = op(a[i].x); \ + res[i].y = op(a[i].y); \ + res[i].z = op(a[i].z); \ + } \ + } + +#define OSL_OP_IMPL_III(name, op) \ + ccl_device_extern int name##_iii(int a, int b) \ + { \ + return op(a, b); \ + } +#define OSL_OP_IMPL_FFF(name, op) \ + ccl_device_extern float name##_fff(float a, float b) \ + { \ + return op(a, b); \ + } +#define OSL_OP_IMPL_FVV(name, op) \ + ccl_device_extern float name##_fvv(ccl_private const float3 *a, ccl_private const float3 *b) \ + { \ + return op(*a, *b); \ + } +#define OSL_OP_IMPL_DFFDF(name, op) \ + ccl_device_extern void name##_dffdf( \ + ccl_private float *res, float a, ccl_private const float *b) \ + { \ + for (int i = 0; i < 3; ++i) { \ + res[i] = op(a, b[i]); \ + } \ + } +#define OSL_OP_IMPL_DFDFF(name, op) \ + ccl_device_extern void name##_dfdff( \ + ccl_private float *res, ccl_private const float *a, float b) \ + { \ + for (int i = 0; i < 3; ++i) { \ + res[i] = op(a[i], b); \ + } \ + } +#define OSL_OP_IMPL_DFDFDF(name, op) \ + ccl_device_extern void name##_dfdfdf( \ + ccl_private float *res, ccl_private const float *a, ccl_private const float *b) \ + { \ + for (int i = 0; i < 3; ++i) { \ + res[i] = op(a[i], b[i]); \ + } \ + } +#define OSL_OP_IMPL_DFVDV(name, op) \ + ccl_device_extern void name##_dfvdv( \ + ccl_private float *res, ccl_private const float3 *a, ccl_private const float3 *b) \ + { \ + for (int i = 0; i < 3; ++i) { \ + res[i] = op(a[0], b[i]); \ + } \ + } +#define OSL_OP_IMPL_DFDVV(name, op) \ + ccl_device_extern void name##_dfdvv( \ + ccl_private float *res, ccl_private const float3 *a, ccl_private const float3 *b) \ + { \ + for (int i = 0; i < 3; ++i) { \ + res[i] = op(a[i], b[0]); \ + } \ + } +#define OSL_OP_IMPL_DFDVDV(name, op) \ + ccl_device_extern void name##_dfdvdv( \ + ccl_private float *res, ccl_private const float3 *a, ccl_private const float3 *b) \ + { \ + for (int i = 0; i < 3; ++i) { \ + res[i] = op(a[i], b[i]); \ + } \ + } +#define OSL_OP_IMPL_VVF_(name, op) \ + ccl_device_extern void name##_vvf( \ + ccl_private float3 *res, ccl_private const float3 *a, float b) \ + { \ + res->x = op(a->x, b); \ + res->y = op(a->y, b); \ + res->z = op(a->z, b); \ + } +#define OSL_OP_IMPL_VVV(name, op) \ + ccl_device_extern void name##_vvv( \ + ccl_private float3 *res, ccl_private const float3 *a, ccl_private const float3 *b) \ + { \ + *res = op(*a, *b); \ + } +#define OSL_OP_IMPL_VVV_(name, op) \ + ccl_device_extern void name##_vvv( \ + ccl_private float3 *res, ccl_private const float3 *a, ccl_private const float3 *b) \ + { \ + res->x = op(a->x, b->x); \ + res->y = op(a->y, b->y); \ + res->z = op(a->z, b->z); \ + } +#define OSL_OP_IMPL_DVVDF_(name, op) \ + ccl_device_extern void name##_dvvdf( \ + ccl_private float3 *res, ccl_private const float3 *a, ccl_private const float *b) \ + { \ + for (int i = 0; i < 3; ++i) { \ + res[i].x = op(a[0].x, b[i]); \ + res[i].y = op(a[0].y, b[i]); \ + res[i].z = op(a[0].z, b[i]); \ + } \ + } +#define OSL_OP_IMPL_DVDVF_(name, op) \ + ccl_device_extern void name##_dvdvf( \ + ccl_private float3 *res, ccl_private const float3 *a, float b) \ + { \ + for (int i = 0; i < 3; ++i) { \ + res[i].x = op(a[i].x, b); \ + res[i].y = op(a[i].y, b); \ + res[i].z = op(a[i].z, b); \ + } \ + } +#define OSL_OP_IMPL_DVVDV(name, op) \ + ccl_device_extern void name##_dvvdv( \ + ccl_private float3 *res, ccl_private const float3 *a, ccl_private const float3 *b) \ + { \ + for (int i = 0; i < 3; ++i) { \ + res[i] = op(a[0], b[i]); \ + } \ + } +#define OSL_OP_IMPL_DVVDV_(name, op) \ + ccl_device_extern void name##_dvvdv( \ + ccl_private float3 *res, ccl_private const float3 *a, ccl_private const float3 *b) \ + { \ + for (int i = 0; i < 3; ++i) { \ + res[i].x = op(a[0].x, b[i].x); \ + res[i].y = op(a[0].y, b[i].y); \ + res[i].z = op(a[0].z, b[i].z); \ + } \ + } +#define OSL_OP_IMPL_DVDVV(name, op) \ + ccl_device_extern void name##_dvdvv( \ + ccl_private float3 *res, ccl_private const float3 *a, ccl_private const float3 *b) \ + { \ + for (int i = 0; i < 3; ++i) { \ + res[i] = op(a[i], b[0]); \ + } \ + } +#define OSL_OP_IMPL_DVDVV_(name, op) \ + ccl_device_extern void name##_dvdvv( \ + ccl_private float3 *res, ccl_private const float3 *a, ccl_private const float3 *b) \ + { \ + for (int i = 0; i < 3; ++i) { \ + res[i].x = op(a[i].x, b[0].x); \ + res[i].y = op(a[i].y, b[0].y); \ + res[i].z = op(a[i].z, b[0].z); \ + } \ + } +#define OSL_OP_IMPL_DVDVDF_(name, op) \ + ccl_device_extern void name##_dvdvdf( \ + ccl_private float3 *res, ccl_private const float3 *a, ccl_private const float *b) \ + { \ + for (int i = 0; i < 3; ++i) { \ + res[i].x = op(a[i].x, b[i]); \ + res[i].y = op(a[i].y, b[i]); \ + res[i].z = op(a[i].z, b[i]); \ + } \ + } +#define OSL_OP_IMPL_DVDVDV(name, op) \ + ccl_device_extern void name##_dvdvdv( \ + ccl_private float3 *res, ccl_private const float3 *a, ccl_private const float3 *b) \ + { \ + for (int i = 0; i < 3; ++i) { \ + res[i] = op(a[i], b[i]); \ + } \ + } +#define OSL_OP_IMPL_DVDVDV_(name, op) \ + ccl_device_extern void name##_dvdvdv( \ + ccl_private float3 *res, ccl_private const float3 *a, ccl_private const float3 *b) \ + { \ + for (int i = 0; i < 3; ++i) { \ + res[i].x = op(a[i].x, b[i].x); \ + res[i].y = op(a[i].y, b[i].y); \ + res[i].z = op(a[i].z, b[i].z); \ + } \ + } + +#define OSL_OP_IMPL_FFFF(name, op) \ + ccl_device_extern float name##_ffff(float a, float b, float c) \ + { \ + return op(a, b, c); \ + } +#define OSL_OP_IMPL_DFFFDF(name, op) \ + ccl_device_extern void name##_dfffdf( \ + ccl_private float *res, float a, float b, ccl_private const float *c) \ + { \ + for (int i = 0; i < 3; ++i) { \ + res[i] = op(a, b, c[i]); \ + } \ + } +#define OSL_OP_IMPL_DFFDFF(name, op) \ + ccl_device_extern void name##_dffdff( \ + ccl_private float *res, float a, ccl_private const float *b, float c) \ + { \ + for (int i = 0; i < 3; ++i) { \ + res[i] = op(a, b[i], c); \ + } \ + } +#define OSL_OP_IMPL_DFFDFDF(name, op) \ + ccl_device_extern void name##_dffdfdf( \ + ccl_private float *res, float a, ccl_private const float *b, ccl_private const float *c) \ + { \ + for (int i = 0; i < 3; ++i) { \ + res[i] = op(a, b[i], c[i]); \ + } \ + } + +#define OSL_OP_IMPL_DFDFFF(name, op) \ + ccl_device_extern void name##_dfdfff( \ + ccl_private float *res, ccl_private const float *a, float b, float c) \ + { \ + for (int i = 0; i < 3; ++i) { \ + res[i] = op(a[i], b, c); \ + } \ + } +#define OSL_OP_IMPL_DFDFFDF(name, op) \ + ccl_device_extern void name##_dfdffdf( \ + ccl_private float *res, ccl_private const float *a, float b, ccl_private const float *c) \ + { \ + for (int i = 0; i < 3; ++i) { \ + res[i] = op(a[i], b, c[i]); \ + } \ + } +#define OSL_OP_IMPL_DFDFDFF(name, op) \ + ccl_device_extern void name##_dfdfdff( \ + ccl_private float *res, ccl_private const float *a, ccl_private const float *b, float c) \ + { \ + for (int i = 0; i < 3; ++i) { \ + res[i] = op(a[i], b[i], c); \ + } \ + } +#define OSL_OP_IMPL_DFDFDFDF(name, op) \ + ccl_device_extern void name##_dfdfdfdf(ccl_private float *res, \ + ccl_private const float *a, \ + ccl_private const float *b, \ + ccl_private const float *c) \ + { \ + for (int i = 0; i < 3; ++i) { \ + res[i] = op(a[i], b[i], c[i]); \ + } \ + } + +#define OSL_OP_IMPL_XX(name, op) \ + OSL_OP_IMPL_FF(name, op) \ + OSL_OP_IMPL_DFDF(name, op) \ + OSL_OP_IMPL_VV_(name, op) \ + OSL_OP_IMPL_DVDV_(name, op) + +#define OSL_OP_IMPL_XXX(name, op) \ + OSL_OP_IMPL_FFF(name, op) \ + OSL_OP_IMPL_DFFDF(name, op) \ + OSL_OP_IMPL_DFDFF(name, op) \ + OSL_OP_IMPL_DFDFDF(name, op) \ + OSL_OP_IMPL_VVV_(name, op) \ + OSL_OP_IMPL_DVVDV_(name, op) \ + OSL_OP_IMPL_DVDVV_(name, op) \ + OSL_OP_IMPL_DVDVDV_(name, op) + +OSL_OP_IMPL_XX(osl_acos, acosf) +OSL_OP_IMPL_XX(osl_asin, asinf) +OSL_OP_IMPL_XX(osl_atan, atanf) +OSL_OP_IMPL_XXX(osl_atan2, atan2f) +OSL_OP_IMPL_XX(osl_cos, cosf) +OSL_OP_IMPL_XX(osl_sin, sinf) +OSL_OP_IMPL_XX(osl_tan, tanf) +OSL_OP_IMPL_XX(osl_cosh, coshf) +OSL_OP_IMPL_XX(osl_sinh, sinhf) +OSL_OP_IMPL_XX(osl_tanh, tanhf) + +ccl_device_forceinline int safe_divide(int a, int b) +{ + return (b != 0) ? a / b : 0; +} +ccl_device_forceinline int safe_modulo(int a, int b) +{ + return (b != 0) ? a % b : 0; +} + +OSL_OP_IMPL_III(osl_safe_div, safe_divide) +OSL_OP_IMPL_FFF(osl_safe_div, safe_divide) +OSL_OP_IMPL_III(osl_safe_mod, safe_modulo) + +ccl_device_extern void osl_sincos_fff(float a, ccl_private float *b, ccl_private float *c) +{ + sincos(a, b, c); +} +ccl_device_extern void osl_sincos_dfdff(ccl_private const float *a, + ccl_private float *b, + ccl_private float *c) +{ + for (int i = 0; i < 3; ++i) + sincos(a[i], b + i, c); +} +ccl_device_extern void osl_sincos_dffdf(ccl_private const float *a, + ccl_private float *b, + ccl_private float *c) +{ + for (int i = 0; i < 3; ++i) + sincos(a[i], b, c + i); +} +ccl_device_extern void osl_sincos_dfdfdf(ccl_private const float *a, + ccl_private float *b, + ccl_private float *c) +{ + for (int i = 0; i < 3; ++i) + sincos(a[i], b + i, c + i); +} +ccl_device_extern void osl_sincos_vvv(ccl_private const float3 *a, + ccl_private float3 *b, + ccl_private float3 *c) +{ + sincos(a->x, &b->x, &c->x); + sincos(a->y, &b->y, &c->y); + sincos(a->z, &b->z, &c->z); +} +ccl_device_extern void osl_sincos_dvdvv(ccl_private const float3 *a, + ccl_private float3 *b, + ccl_private float3 *c) +{ + for (int i = 0; i < 3; ++i) { + sincos(a[i].x, &b[i].x, &c->x); + sincos(a[i].y, &b[i].y, &c->y); + sincos(a[i].z, &b[i].z, &c->z); + } +} +ccl_device_extern void osl_sincos_dvvdv(ccl_private const float3 *a, + ccl_private float3 *b, + ccl_private float3 *c) +{ + for (int i = 0; i < 3; ++i) { + sincos(a[i].x, &b->x, &c[i].x); + sincos(a[i].y, &b->y, &c[i].y); + sincos(a[i].z, &b->z, &c[i].z); + } +} +ccl_device_extern void osl_sincos_dvdvdv(ccl_private const float3 *a, + ccl_private float3 *b, + ccl_private float3 *c) +{ + for (int i = 0; i < 3; ++i) { + sincos(a[i].x, &b[i].x, &c[i].x); + sincos(a[i].y, &b[i].y, &c[i].y); + sincos(a[i].z, &b[i].z, &c[i].z); + } +} + +OSL_OP_IMPL_XX(osl_log, logf) +OSL_OP_IMPL_XX(osl_log2, log2f) +OSL_OP_IMPL_XX(osl_log10, log10f) +OSL_OP_IMPL_XX(osl_exp, expf) +OSL_OP_IMPL_XX(osl_exp2, exp2f) +OSL_OP_IMPL_XX(osl_expm1, expm1f) +OSL_OP_IMPL_XX(osl_erf, erff) +OSL_OP_IMPL_XX(osl_erfc, erfcf) + +OSL_OP_IMPL_XXX(osl_pow, safe_powf) +OSL_OP_IMPL_VVF_(osl_pow, safe_powf) +OSL_OP_IMPL_DVVDF_(osl_pow, safe_powf) +OSL_OP_IMPL_DVDVF_(osl_pow, safe_powf) +OSL_OP_IMPL_DVDVDF_(osl_pow, safe_powf) + +OSL_OP_IMPL_XX(osl_sqrt, sqrtf) +OSL_OP_IMPL_XX(osl_inversesqrt, 1.0f / sqrtf) +OSL_OP_IMPL_XX(osl_cbrt, cbrtf) + +OSL_OP_IMPL_FF(osl_logb, logbf) +OSL_OP_IMPL_VV_(osl_logb, logbf) + +OSL_OP_IMPL_FF(osl_floor, floorf) +OSL_OP_IMPL_VV_(osl_floor, floorf) +OSL_OP_IMPL_FF(osl_ceil, ceilf) +OSL_OP_IMPL_VV_(osl_ceil, ceilf) +OSL_OP_IMPL_FF(osl_round, roundf) +OSL_OP_IMPL_VV_(osl_round, roundf) +OSL_OP_IMPL_FF(osl_trunc, truncf) +OSL_OP_IMPL_VV_(osl_trunc, truncf) + +ccl_device_forceinline float step_impl(float edge, float x) +{ + return x < edge ? 0.0f : 1.0f; +} + +OSL_OP_IMPL_FF(osl_sign, compatible_signf) +OSL_OP_IMPL_VV_(osl_sign, compatible_signf) +OSL_OP_IMPL_FFF(osl_step, step_impl) +OSL_OP_IMPL_VVV_(osl_step, step_impl) + +OSL_OP_IMPL_IF(osl_isnan, isnan) +OSL_OP_IMPL_IF(osl_isinf, isinf) +OSL_OP_IMPL_IF(osl_isfinite, isfinite) + +OSL_OP_IMPL_II(osl_abs, abs) +OSL_OP_IMPL_XX(osl_abs, fabsf) +OSL_OP_IMPL_II(osl_fabs, abs) +OSL_OP_IMPL_XX(osl_fabs, fabsf) +OSL_OP_IMPL_XXX(osl_fmod, safe_modulo) + +OSL_OP_IMPL_FFFF(osl_smoothstep, smoothstep) +OSL_OP_IMPL_DFFFDF(osl_smoothstep, smoothstep) +OSL_OP_IMPL_DFFDFF(osl_smoothstep, smoothstep) +OSL_OP_IMPL_DFFDFDF(osl_smoothstep, smoothstep) +OSL_OP_IMPL_DFDFFF(osl_smoothstep, smoothstep) +OSL_OP_IMPL_DFDFFDF(osl_smoothstep, smoothstep) +OSL_OP_IMPL_DFDFDFF(osl_smoothstep, smoothstep) +OSL_OP_IMPL_DFDFDFDF(osl_smoothstep, smoothstep) + +OSL_OP_IMPL_FVV(osl_dot, dot) +OSL_OP_IMPL_DFDVV(osl_dot, dot) +OSL_OP_IMPL_DFVDV(osl_dot, dot) +OSL_OP_IMPL_DFDVDV(osl_dot, dot) +OSL_OP_IMPL_VVV(osl_cross, cross) +OSL_OP_IMPL_DVDVV(osl_cross, cross) +OSL_OP_IMPL_DVVDV(osl_cross, cross) +OSL_OP_IMPL_DVDVDV(osl_cross, cross) +OSL_OP_IMPL_FV(osl_length, len) +OSL_OP_IMPL_DFDV(osl_length, len) +OSL_OP_IMPL_FVV(osl_distance, distance) +OSL_OP_IMPL_DFDVV(osl_distance, distance) +OSL_OP_IMPL_DFVDV(osl_distance, distance) +OSL_OP_IMPL_DFDVDV(osl_distance, distance) +OSL_OP_IMPL_VV(osl_normalize, safe_normalize) +OSL_OP_IMPL_DVDV(osl_normalize, safe_normalize) + +ccl_device_extern void osl_calculatenormal(ccl_private float3 *res, + ccl_private ShaderGlobals *sg, + ccl_private const float3 *p) +{ + if (sg->flipHandedness) + *res = cross(p[2], p[1]); + else + *res = cross(p[1], p[2]); +} + +ccl_device_extern float osl_area(ccl_private const float3 *p) +{ + return len(cross(p[2], p[1])); +} + +ccl_device_extern float osl_filterwidth_fdf(ccl_private const float *x) +{ + return sqrtf(x[1] * x[1] + x[2] * x[2]); +} + +ccl_device_extern void osl_filterwidth_vdv(ccl_private float *res, ccl_private const float *x) +{ + for (int i = 0; i < 3; ++i) + res[i] = osl_filterwidth_fdf(x + i); +} + +ccl_device_extern bool osl_raytype_bit(ccl_private ShaderGlobals *sg, int bit) +{ + return (sg->raytype & bit) != 0; +} |