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Diffstat (limited to 'intern/cycles/kernel/kernels/opencl/kernel_opencl_image.h')
-rw-r--r--intern/cycles/kernel/kernels/opencl/kernel_opencl_image.h358
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
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-22 11:38:33 +0300