diff options
author | Cian Jinks <cjinks99@gmail.com> | 2021-09-22 17:09:31 +0300 |
---|---|---|
committer | Cian Jinks <cjinks99@gmail.com> | 2021-09-22 17:09:31 +0300 |
commit | e734491048ef2436af41e272b8900f20785ecbe6 (patch) | |
tree | 8cee3fc068c782c0ba8cb9a581e768968c565569 /intern/cycles/kernel/kernels/opencl/kernel_opencl_image.h | |
parent | f21cd0881948f6eaf16af0b354cd904df7407bda (diff) | |
parent | 204b01a254ac2445fea217e5211b2ed6aef631ca (diff) |
Merge branch 'master' into soc-2021-knife-toolssoc-2021-knife-tools
Diffstat (limited to 'intern/cycles/kernel/kernels/opencl/kernel_opencl_image.h')
-rw-r--r-- | intern/cycles/kernel/kernels/opencl/kernel_opencl_image.h | 358 |
1 files changed, 0 insertions, 358 deletions
diff --git a/intern/cycles/kernel/kernels/opencl/kernel_opencl_image.h b/intern/cycles/kernel/kernels/opencl/kernel_opencl_image.h deleted file mode 100644 index bb6b8a40e8e..00000000000 --- a/intern/cycles/kernel/kernels/opencl/kernel_opencl_image.h +++ /dev/null @@ -1,358 +0,0 @@ -/* - * Copyright 2016 Blender Foundation - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#ifdef WITH_NANOVDB -/* Data type to replace `double` used in the NanoVDB headers. Cycles don't need doubles, and is - * safer and more portable to never use double datatype on GPU. - * Use a special structure, so that the following is true: - * - No unnoticed implicit cast or mathematical operations used on scalar 64bit type - * (which rules out trick like using `uint64_t` as a drop-in replacement for double). - * - Padding rules are matching exactly `double` - * (which rules out array of `uint8_t`). */ -typedef struct ccl_vdb_double_t { - uint64_t i; -} ccl_vdb_double_t; - -# define double ccl_vdb_double_t -# include "nanovdb/CNanoVDB.h" -# undef double -#endif - -/* For OpenCL we do manual lookup and interpolation. */ - -ccl_device_inline ccl_global TextureInfo *kernel_tex_info(KernelGlobals *kg, uint id) -{ - const uint tex_offset = id -#define KERNEL_TEX(type, name) +1 -#include "kernel/kernel_textures.h" - ; - - return &((ccl_global TextureInfo *)kg->buffers[0])[tex_offset]; -} - -#define tex_fetch(type, info, index) \ - ((ccl_global type *)(kg->buffers[info->cl_buffer] + info->data))[(index)] - -ccl_device_inline int svm_image_texture_wrap_periodic(int x, int width) -{ - x %= width; - if (x < 0) - x += width; - return x; -} - -ccl_device_inline int svm_image_texture_wrap_clamp(int x, int width) -{ - return clamp(x, 0, width - 1); -} - -ccl_device_inline float4 svm_image_texture_read( - KernelGlobals *kg, const ccl_global TextureInfo *info, void *acc, int x, int y, int z) -{ - const int data_offset = x + info->width * y + info->width * info->height * z; - const int texture_type = info->data_type; - - /* Float4 */ - if (texture_type == IMAGE_DATA_TYPE_FLOAT4) { - return tex_fetch(float4, info, data_offset); - } - /* Byte4 */ - else if (texture_type == IMAGE_DATA_TYPE_BYTE4) { - uchar4 r = tex_fetch(uchar4, info, data_offset); - float f = 1.0f / 255.0f; - return make_float4(r.x * f, r.y * f, r.z * f, r.w * f); - } - /* Ushort4 */ - else if (texture_type == IMAGE_DATA_TYPE_USHORT4) { - ushort4 r = tex_fetch(ushort4, info, data_offset); - float f = 1.0f / 65535.f; - return make_float4(r.x * f, r.y * f, r.z * f, r.w * f); - } - /* Float */ - else if (texture_type == IMAGE_DATA_TYPE_FLOAT) { - float f = tex_fetch(float, info, data_offset); - return make_float4(f, f, f, 1.0f); - } - /* UShort */ - else if (texture_type == IMAGE_DATA_TYPE_USHORT) { - ushort r = tex_fetch(ushort, info, data_offset); - float f = r * (1.0f / 65535.0f); - return make_float4(f, f, f, 1.0f); - } -#ifdef WITH_NANOVDB - /* NanoVDB Float */ - else if (texture_type == IMAGE_DATA_TYPE_NANOVDB_FLOAT) { - cnanovdb_coord coord; - coord.mVec[0] = x; - coord.mVec[1] = y; - coord.mVec[2] = z; - float f = cnanovdb_readaccessor_getValueF((cnanovdb_readaccessor *)acc, &coord); - return make_float4(f, f, f, 1.0f); - } - /* NanoVDB Float3 */ - else if (texture_type == IMAGE_DATA_TYPE_NANOVDB_FLOAT3) { - cnanovdb_coord coord; - coord.mVec[0] = x; - coord.mVec[1] = y; - coord.mVec[2] = z; - cnanovdb_Vec3F f = cnanovdb_readaccessor_getValueF3((cnanovdb_readaccessor *)acc, &coord); - return make_float4(f.mVec[0], f.mVec[1], f.mVec[2], 1.0f); - } -#endif -#ifdef __KERNEL_CL_KHR_FP16__ - /* Half and Half4 are optional in OpenCL */ - else if (texture_type == IMAGE_DATA_TYPE_HALF) { - float f = tex_fetch(half, info, data_offset); - return make_float4(f, f, f, 1.0f); - } - else if (texture_type == IMAGE_DATA_TYPE_HALF4) { - half4 r = tex_fetch(half4, info, data_offset); - return make_float4(r.x, r.y, r.z, r.w); - } -#endif - /* Byte */ - else { - uchar r = tex_fetch(uchar, info, data_offset); - float f = r * (1.0f / 255.0f); - return make_float4(f, f, f, 1.0f); - } -} - -ccl_device_inline float4 -svm_image_texture_read_2d(KernelGlobals *kg, int id, void *acc, int x, int y) -{ - const ccl_global TextureInfo *info = kernel_tex_info(kg, id); - -#ifdef WITH_NANOVDB - if (info->data_type != IMAGE_DATA_TYPE_NANOVDB_FLOAT && - info->data_type != IMAGE_DATA_TYPE_NANOVDB_FLOAT3) { -#endif - /* Wrap */ - if (info->extension == EXTENSION_REPEAT) { - x = svm_image_texture_wrap_periodic(x, info->width); - y = svm_image_texture_wrap_periodic(y, info->height); - } - else { - x = svm_image_texture_wrap_clamp(x, info->width); - y = svm_image_texture_wrap_clamp(y, info->height); - } -#ifdef WITH_NANOVDB - } -#endif - - return svm_image_texture_read(kg, info, acc, x, y, 0); -} - -ccl_device_inline float4 -svm_image_texture_read_3d(KernelGlobals *kg, int id, void *acc, int x, int y, int z) -{ - const ccl_global TextureInfo *info = kernel_tex_info(kg, id); - -#ifdef WITH_NANOVDB - if (info->data_type != IMAGE_DATA_TYPE_NANOVDB_FLOAT && - info->data_type != IMAGE_DATA_TYPE_NANOVDB_FLOAT3) { -#endif - /* Wrap */ - if (info->extension == EXTENSION_REPEAT) { - x = svm_image_texture_wrap_periodic(x, info->width); - y = svm_image_texture_wrap_periodic(y, info->height); - z = svm_image_texture_wrap_periodic(z, info->depth); - } - else { - x = svm_image_texture_wrap_clamp(x, info->width); - y = svm_image_texture_wrap_clamp(y, info->height); - z = svm_image_texture_wrap_clamp(z, info->depth); - } -#ifdef WITH_NANOVDB - } -#endif - - return svm_image_texture_read(kg, info, acc, x, y, z); -} - -ccl_device_inline float svm_image_texture_frac(float x, int *ix) -{ - int i = float_to_int(x) - ((x < 0.0f) ? 1 : 0); - *ix = i; - return x - (float)i; -} - -#define SET_CUBIC_SPLINE_WEIGHTS(u, t) \ - { \ - u[0] = (((-1.0f / 6.0f) * t + 0.5f) * t - 0.5f) * t + (1.0f / 6.0f); \ - u[1] = ((0.5f * t - 1.0f) * t) * t + (2.0f / 3.0f); \ - u[2] = ((-0.5f * t + 0.5f) * t + 0.5f) * t + (1.0f / 6.0f); \ - u[3] = (1.0f / 6.0f) * t * t * t; \ - } \ - (void)0 - -ccl_device float4 kernel_tex_image_interp(KernelGlobals *kg, int id, float x, float y) -{ - const ccl_global TextureInfo *info = kernel_tex_info(kg, id); - - if (info->extension == EXTENSION_CLIP) { - if (x < 0.0f || y < 0.0f || x > 1.0f || y > 1.0f) { - return make_float4(0.0f, 0.0f, 0.0f, 0.0f); - } - } - - if (info->interpolation == INTERPOLATION_CLOSEST) { - /* Closest interpolation. */ - int ix, iy; - svm_image_texture_frac(x * info->width, &ix); - svm_image_texture_frac(y * info->height, &iy); - - return svm_image_texture_read_2d(kg, id, NULL, ix, iy); - } - else if (info->interpolation == INTERPOLATION_LINEAR) { - /* Bilinear interpolation. */ - int ix, iy; - float tx = svm_image_texture_frac(x * info->width - 0.5f, &ix); - float ty = svm_image_texture_frac(y * info->height - 0.5f, &iy); - - float4 r; - r = (1.0f - ty) * (1.0f - tx) * svm_image_texture_read_2d(kg, id, NULL, ix, iy); - r += (1.0f - ty) * tx * svm_image_texture_read_2d(kg, id, NULL, ix + 1, iy); - r += ty * (1.0f - tx) * svm_image_texture_read_2d(kg, id, NULL, ix, iy + 1); - r += ty * tx * svm_image_texture_read_2d(kg, id, NULL, ix + 1, iy + 1); - return r; - } - else { - /* Bicubic interpolation. */ - int ix, iy; - float tx = svm_image_texture_frac(x * info->width - 0.5f, &ix); - float ty = svm_image_texture_frac(y * info->height - 0.5f, &iy); - - float u[4], v[4]; - SET_CUBIC_SPLINE_WEIGHTS(u, tx); - SET_CUBIC_SPLINE_WEIGHTS(v, ty); - - float4 r = make_float4(0.0f, 0.0f, 0.0f, 0.0f); - - for (int y = 0; y < 4; y++) { - for (int x = 0; x < 4; x++) { - float weight = u[x] * v[y]; - r += weight * svm_image_texture_read_2d(kg, id, NULL, ix + x - 1, iy + y - 1); - } - } - return r; - } -} - -ccl_device float4 kernel_tex_image_interp_3d(KernelGlobals *kg, int id, float3 P, int interp) -{ - const ccl_global TextureInfo *info = kernel_tex_info(kg, id); - - if (info->use_transform_3d) { - Transform tfm = info->transform_3d; - P = transform_point(&tfm, P); - } - - float x = P.x; - float y = P.y; - float z = P.z; - - uint interpolation = (interp == INTERPOLATION_NONE) ? info->interpolation : interp; - -#ifdef WITH_NANOVDB - cnanovdb_readaccessor acc; - if (info->data_type == IMAGE_DATA_TYPE_NANOVDB_FLOAT || - info->data_type == IMAGE_DATA_TYPE_NANOVDB_FLOAT3) { - ccl_global cnanovdb_griddata *grid = - (ccl_global cnanovdb_griddata *)(kg->buffers[info->cl_buffer] + info->data); - cnanovdb_readaccessor_init(&acc, cnanovdb_treedata_rootF(cnanovdb_griddata_tree(grid))); - } - else { - if (info->extension == EXTENSION_CLIP) { - if (x < 0.0f || y < 0.0f || z < 0.0f || x > 1.0f || y > 1.0f || z > 1.0f) { - return make_float4(0.0f, 0.0f, 0.0f, 0.0f); - } - } - - x *= info->width; - y *= info->height; - z *= info->depth; - } -# define NANOVDB_ACCESS_POINTER &acc -#else -# define NANOVDB_ACCESS_POINTER NULL -#endif - - if (interpolation == INTERPOLATION_CLOSEST) { - /* Closest interpolation. */ - int ix, iy, iz; - svm_image_texture_frac(x, &ix); - svm_image_texture_frac(y, &iy); - svm_image_texture_frac(z, &iz); - - return svm_image_texture_read_3d(kg, id, NANOVDB_ACCESS_POINTER, ix, iy, iz); - } - else if (interpolation == INTERPOLATION_LINEAR) { - /* Trilinear interpolation. */ - int ix, iy, iz; - float tx = svm_image_texture_frac(x - 0.5f, &ix); - float ty = svm_image_texture_frac(y - 0.5f, &iy); - float tz = svm_image_texture_frac(z - 0.5f, &iz); - - float4 r; - r = (1.0f - tz) * (1.0f - ty) * (1.0f - tx) * - svm_image_texture_read_3d(kg, id, NANOVDB_ACCESS_POINTER, ix, iy, iz); - r += (1.0f - tz) * (1.0f - ty) * tx * - svm_image_texture_read_3d(kg, id, NANOVDB_ACCESS_POINTER, ix + 1, iy, iz); - r += (1.0f - tz) * ty * (1.0f - tx) * - svm_image_texture_read_3d(kg, id, NANOVDB_ACCESS_POINTER, ix, iy + 1, iz); - r += (1.0f - tz) * ty * tx * - svm_image_texture_read_3d(kg, id, NANOVDB_ACCESS_POINTER, ix + 1, iy + 1, iz); - - r += tz * (1.0f - ty) * (1.0f - tx) * - svm_image_texture_read_3d(kg, id, NANOVDB_ACCESS_POINTER, ix, iy, iz + 1); - r += tz * (1.0f - ty) * tx * - svm_image_texture_read_3d(kg, id, NANOVDB_ACCESS_POINTER, ix + 1, iy, iz + 1); - r += tz * ty * (1.0f - tx) * - svm_image_texture_read_3d(kg, id, NANOVDB_ACCESS_POINTER, ix, iy + 1, iz + 1); - r += tz * ty * tx * - svm_image_texture_read_3d(kg, id, NANOVDB_ACCESS_POINTER, ix + 1, iy + 1, iz + 1); - return r; - } - else { - /* Tricubic interpolation. */ - int ix, iy, iz; - float tx = svm_image_texture_frac(x - 0.5f, &ix); - float ty = svm_image_texture_frac(y - 0.5f, &iy); - float tz = svm_image_texture_frac(z - 0.5f, &iz); - - float u[4], v[4], w[4]; - SET_CUBIC_SPLINE_WEIGHTS(u, tx); - SET_CUBIC_SPLINE_WEIGHTS(v, ty); - SET_CUBIC_SPLINE_WEIGHTS(w, tz); - - float4 r = make_float4(0.0f, 0.0f, 0.0f, 0.0f); - - for (int z = 0; z < 4; z++) { - for (int y = 0; y < 4; y++) { - for (int x = 0; x < 4; x++) { - float weight = u[x] * v[y] * w[z]; - r += weight * svm_image_texture_read_3d( - kg, id, NANOVDB_ACCESS_POINTER, ix + x - 1, iy + y - 1, iz + z - 1); - } - } - } - return r; - } -#undef NANOVDB_ACCESS_POINTER -} - -#undef SET_CUBIC_SPLINE_WEIGHTS |