mirror of
https://github.com/PixarAnimationStudios/OpenSubdiv
synced 2024-11-09 13:50:05 +00:00
291eff0bed
Fixed numerous whitespace inconsistencies and violations in the core osd metal implementation and examples.
613 lines
22 KiB
Plaintext
613 lines
22 KiB
Plaintext
//
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// Copyright 2013 Pixar
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//
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// Licensed under the Apache License, Version 2.0 (the "Apache License")
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// with the following modification; you may not use this file except in
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// compliance with the Apache License and the following modification to it:
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// Section 6. Trademarks. is deleted and replaced with:
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//
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// 6. Trademarks. This License does not grant permission to use the trade
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// names, trademarks, service marks, or product names of the Licensor
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// and its affiliates, except as required to comply with Section 4(c) of
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// the License and to reproduce the content of the NOTICE file.
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//
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// You may obtain a copy of the Apache License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the Apache License with the above modification is
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// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the Apache License for the specific
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// language governing permissions and limitations under the Apache License.
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//
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#include "../osd/mtlComputeEvaluator.h"
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#include "../osd/mtlPatchShaderSource.h"
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#include <vector>
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#include <Metal/Metal.h>
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#include <simd/simd.h>
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#include <sstream>
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#include <string>
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#include "../far/stencilTable.h"
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#include "../far/error.h"
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#define PARAMETER_BUFFER_INDEX 0
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#define SIZES_BUFFER_INDEX 1
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#define OFFSETS_BUFFER_INDEX 2
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#define INDICES_BUFFER_INDEX 3
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#define WEIGHTS_BUFFER_INDEX 4
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#define DST_VERTEX_BUFFER_INDEX 5
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#define SRC_VERTEX_BUFFER_INDEX 6
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#define DU_WEIGHTS_BUFFER_INDEX 7
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#define DV_WEIGHTS_BUFFER_INDEX 8
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#define DU_DERIVATIVE_BUFFER_INDEX 9
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#define DV_DERIVATIVE_BUFFER_INDEX 10
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#define DUU_WEIGHTS_BUFFER_INDEX 11
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#define DUV_WEIGHTS_BUFFER_INDEX 12
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#define DVV_WEIGHTS_BUFFER_INDEX 13
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#define DUU_DERIVATIVE_BUFFER_INDEX 14
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#define DUV_DERIVATIVE_BUFFER_INDEX 15
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#define DVV_DERIVATIVE_BUFFER_INDEX 16
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#define PATCH_ARRAYS_BUFFER_INDEX 17
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#define PATCH_COORDS_BUFFER_INDEX 18
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#define PATCH_INDICES_BUFFER_INDEX 19
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#define PATCH_PARAMS_BUFFER_INDEX 20
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namespace OpenSubdiv {
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namespace OPENSUBDIV_VERSION {
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namespace Osd {
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namespace mtl
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{
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struct PatchCoord
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{
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int arrayIndex;
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int patchIndex;
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int vertIndex;
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float s;
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float t;
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};
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struct PatchParam
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{
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uint field0;
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uint field1;
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float sharpness;
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};
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struct KernelUniformArgs
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{
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int batchStart;
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int batchEnd;
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int srcOffset;
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int dstOffset;
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simd::int3 duDesc;
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simd::int3 dvDesc;
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simd::int3 duuDesc;
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simd::int3 duvDesc;
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simd::int3 dvvDesc;
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};
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} //end namespace mtl
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static const char *KernelSource =
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#include "mtlComputeKernel.gen.h"
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;
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template <typename T>
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static id<MTLBuffer> createBuffer(const std::vector<T> &vec,
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MTLContext* context)
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{
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if (vec.empty()) {
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return nil;
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}
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const auto length = sizeof(T) * vec.size();
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#if TARGET_OS_IOS || TARGET_OS_TV
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return [context->device newBufferWithBytes:vec.data() length:length options:MTLResourceOptionCPUCacheModeDefault];
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#elif TARGET_OS_OSX
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@autoreleasepool {
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auto cmdBuf = [context->commandQueue commandBuffer];
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auto blitEncoder = [cmdBuf blitCommandEncoder];
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auto stageBuffer = [context->device newBufferWithBytes:vec.data() length:length options:MTLResourceOptionCPUCacheModeDefault];
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auto finalBuffer = [context->device newBufferWithLength:length options:MTLResourceStorageModePrivate];
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[blitEncoder copyFromBuffer:stageBuffer sourceOffset:0 toBuffer:finalBuffer destinationOffset:0 size:length];
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[blitEncoder endEncoding];
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[cmdBuf commit];
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[cmdBuf waitUntilCompleted];
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#if !__has_feature(objc_arc)
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[stageBuffer release];
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#endif
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return finalBuffer;
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}
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#endif
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}
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using namespace OpenSubdiv::OPENSUBDIV_VERSION;
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using namespace Osd;
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MTLStencilTable::MTLStencilTable(Far::StencilTable const *stencilTable,
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MTLContext* context)
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{
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assert(context != nil);
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assert(context->device != nil && context->commandQueue != nil);
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_numStencils = stencilTable->GetNumStencils();
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if (_numStencils > 0)
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{
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auto sizes = stencilTable->GetSizes();
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_sizesBuffer = createBuffer(stencilTable->GetSizes(), context);
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_offsetsBuffer = createBuffer(stencilTable->GetOffsets(), context);
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_indicesBuffer = createBuffer(stencilTable->GetControlIndices(), context);
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_weightsBuffer = createBuffer(stencilTable->GetWeights(), context);
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_sizesBuffer.label = @"StencilTable Sizes";
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_offsetsBuffer.label = @"StencilTable Offsets";
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_indicesBuffer.label = @"StencilTable Indices";
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_weightsBuffer.label = @"StencilTable Weights";
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}
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_duWeightsBuffer = nil;
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_dvWeightsBuffer = nil;
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_duuWeightsBuffer = nil;
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_duvWeightsBuffer = nil;
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_dvvWeightsBuffer = nil;
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}
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MTLStencilTable::MTLStencilTable(Far::LimitStencilTable const *stencilTable,
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MTLContext* context)
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{
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assert(context != nil);
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assert(context->device != nil && context->commandQueue != nil);
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_numStencils = stencilTable->GetNumStencils();
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if (_numStencils > 0)
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{
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auto sizes = stencilTable->GetSizes();
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_sizesBuffer = createBuffer(stencilTable->GetSizes(), context);
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_offsetsBuffer = createBuffer(stencilTable->GetOffsets(), context);
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_indicesBuffer = createBuffer(stencilTable->GetControlIndices(), context);
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_weightsBuffer = createBuffer(stencilTable->GetWeights(), context);
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_duWeightsBuffer = createBuffer(stencilTable->GetDuWeights(), context);
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_dvWeightsBuffer = createBuffer(stencilTable->GetDvWeights(), context);
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_duuWeightsBuffer = createBuffer(stencilTable->GetDuuWeights(), context);
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_duvWeightsBuffer = createBuffer(stencilTable->GetDuvWeights(), context);
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_dvvWeightsBuffer = createBuffer(stencilTable->GetDvvWeights(), context);
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_sizesBuffer.label = @"StencilTable Sizes";
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_offsetsBuffer.label = @"StencilTable Offsets";
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_indicesBuffer.label = @"StencilTable Indices";
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_weightsBuffer.label = @"StencilTable Weights";
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if (_duWeightsBuffer) {
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_duWeightsBuffer.label = @"StencilTable duWeights";
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}
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if (_dvWeightsBuffer) {
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_dvWeightsBuffer.label = @"StencilTable dvWeights";
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}
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if (_duuWeightsBuffer) {
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_duuWeightsBuffer.label = @"StencilTable duuWeights";
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}
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if (_duvWeightsBuffer) {
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_duvWeightsBuffer.label = @"StencilTable duvWeights";
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}
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if (_dvvWeightsBuffer) {
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_dvvWeightsBuffer.label = @"StencilTable dvvWeights";
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}
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}
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}
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MTLStencilTable::~MTLStencilTable() {}
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MTLComputeEvaluator *MTLComputeEvaluator::Create(
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BufferDescriptor const &srcDesc, BufferDescriptor const &dstDesc,
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BufferDescriptor const &duDesc, BufferDescriptor const &dvDesc,
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MTLContext* context)
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{
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assert(context != nil);
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assert(context->device != nil && context->commandQueue != nil);
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auto instance = new MTLComputeEvaluator();
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if (instance->Compile(srcDesc, dstDesc, duDesc, dvDesc,
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BufferDescriptor(),
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BufferDescriptor(),
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BufferDescriptor(),
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context))
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return instance;
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delete instance;
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return nullptr;
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}
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MTLComputeEvaluator *MTLComputeEvaluator::Create(
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BufferDescriptor const &srcDesc, BufferDescriptor const &dstDesc,
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BufferDescriptor const &duDesc, BufferDescriptor const &dvDesc,
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BufferDescriptor const &duuDesc, BufferDescriptor const &duvDesc, BufferDescriptor const &dvvDesc,
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MTLContext* context)
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{
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assert(context != nil);
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assert(context->device != nil && context->commandQueue != nil);
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auto instance = new MTLComputeEvaluator();
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if (instance->Compile(srcDesc, dstDesc, duDesc, dvDesc,
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duuDesc, duvDesc, dvvDesc, context)) {
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return instance;
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}
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delete instance;
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return nullptr;
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}
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bool MTLComputeEvaluator::Compile(BufferDescriptor const &srcDesc,
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BufferDescriptor const &dstDesc,
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BufferDescriptor const &duDesc,
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BufferDescriptor const &dvDesc,
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BufferDescriptor const &duuDesc,
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BufferDescriptor const &duvDesc,
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BufferDescriptor const &dvvDesc,
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MTLContext* context)
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{
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assert(context != nil);
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assert(context->device != nil && context->commandQueue != nil);
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using namespace Osd;
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using namespace Far;
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MTLCompileOptions *compileOptions = [[MTLCompileOptions alloc] init];
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compileOptions.preprocessorMacros = nil;
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bool deriv1 = duDesc.length > 0 || dvDesc.length > 0;
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bool deriv2 = duuDesc.length > 0 || duvDesc.length > 0 || dvvDesc.length > 0;
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#define DEFINE(x,y) @(#x) : @(y)
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auto preprocessor = @{
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DEFINE(LENGTH, srcDesc.length),
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DEFINE(SRC_STRIDE, srcDesc.stride),
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DEFINE(DST_STRIDE, dstDesc.stride),
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DEFINE(WORK_GROUP_SIZE, _workGroupSize),
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DEFINE(OPENSUBDIV_MTL_COMPUTE_USE_1ST_DERIVATIVES, deriv1),
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DEFINE(OPENSUBDIV_MTL_COMPUTE_USE_2ND_DERIVATIVES, deriv2),
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DEFINE(PARAMETER_BUFFER_INDEX,PARAMETER_BUFFER_INDEX),
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DEFINE(SIZES_BUFFER_INDEX,SIZES_BUFFER_INDEX),
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DEFINE(OFFSETS_BUFFER_INDEX,OFFSETS_BUFFER_INDEX),
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DEFINE(INDICES_BUFFER_INDEX,INDICES_BUFFER_INDEX),
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DEFINE(WEIGHTS_BUFFER_INDEX,WEIGHTS_BUFFER_INDEX),
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DEFINE(SRC_VERTEX_BUFFER_INDEX,SRC_VERTEX_BUFFER_INDEX),
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DEFINE(DST_VERTEX_BUFFER_INDEX,DST_VERTEX_BUFFER_INDEX),
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DEFINE(DU_WEIGHTS_BUFFER_INDEX,DU_WEIGHTS_BUFFER_INDEX),
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DEFINE(DV_WEIGHTS_BUFFER_INDEX,DV_WEIGHTS_BUFFER_INDEX),
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DEFINE(DU_DERIVATIVE_BUFFER_INDEX,DU_DERIVATIVE_BUFFER_INDEX),
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DEFINE(DV_DERIVATIVE_BUFFER_INDEX,DV_DERIVATIVE_BUFFER_INDEX),
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DEFINE(DUU_WEIGHTS_BUFFER_INDEX,DUU_WEIGHTS_BUFFER_INDEX),
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DEFINE(DUV_WEIGHTS_BUFFER_INDEX,DUV_WEIGHTS_BUFFER_INDEX),
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DEFINE(DVV_WEIGHTS_BUFFER_INDEX,DVV_WEIGHTS_BUFFER_INDEX),
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DEFINE(DUU_DERIVATIVE_BUFFER_INDEX,DUU_DERIVATIVE_BUFFER_INDEX),
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DEFINE(DUV_DERIVATIVE_BUFFER_INDEX,DUV_DERIVATIVE_BUFFER_INDEX),
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DEFINE(DVV_DERIVATIVE_BUFFER_INDEX,DVV_DERIVATIVE_BUFFER_INDEX),
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DEFINE(PATCH_ARRAYS_BUFFER_INDEX,PATCH_ARRAYS_BUFFER_INDEX),
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DEFINE(PATCH_COORDS_BUFFER_INDEX,PATCH_COORDS_BUFFER_INDEX),
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DEFINE(PATCH_INDICES_BUFFER_INDEX,PATCH_INDICES_BUFFER_INDEX),
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DEFINE(PATCH_PARAMS_BUFFER_INDEX,PATCH_PARAMS_BUFFER_INDEX),
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};
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#undef DEFINE
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compileOptions.preprocessorMacros = preprocessor;
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std::stringstream sourceString;
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sourceString << MTLPatchShaderSource::GetPatchBasisShaderSource();
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sourceString << KernelSource;
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NSError *err = nil;
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_computeLibrary =
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[context->device newLibraryWithSource:@(sourceString.str().c_str())
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options:compileOptions
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error:&err];
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#if !__has_feature(objc_arc)
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[compileOptions release];
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#endif
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if (!_computeLibrary)
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{
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Far::Error(Far::FAR_RUNTIME_ERROR, "Error compiling MTL Shader: %s\n",
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err ? err.localizedDescription.UTF8String : "");
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return false;
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}
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auto evalStencilsFunction = [_computeLibrary newFunctionWithName:@"eval_stencils"];
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_evalStencils =
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[context->device newComputePipelineStateWithFunction:evalStencilsFunction
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error:&err];
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#if !__has_feature(objc_arc)
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[evalStencilsFunction release];
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#endif
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if (!_evalStencils)
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{
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Far::Error(Far::FAR_RUNTIME_ERROR, "Error compiling MTL Pipeline eval_stencils: %s\n",
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err ? err.localizedDescription.UTF8String : "");
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return false;
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}
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auto evalPatchesFunction = [_computeLibrary newFunctionWithName:@"eval_patches"];
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_evalPatches =
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[context->device newComputePipelineStateWithFunction:evalPatchesFunction
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error:&err];
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#if !__has_feature(objc_arc)
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[evalPatchesFunction release];
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#endif
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if (!_evalPatches)
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{
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Far::Error(Far::FAR_RUNTIME_ERROR, "Error compiling MTL Pipeline eval_patches: %s\n",
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err ? err.localizedDescription.UTF8String : "");
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return false;
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}
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_parameterBuffer =
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[context->device newBufferWithLength:sizeof(mtl::KernelUniformArgs)
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options:MTLResourceOptionCPUCacheModeDefault];
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return true;
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}
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MTLComputeEvaluator::MTLComputeEvaluator() : _workGroupSize(32) {}
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MTLComputeEvaluator::~MTLComputeEvaluator()
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{
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#if !__has_feature(objc_arc)
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[_computeLibrary release];
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[_evalStencils release];
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[_evalPatches release];
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[_parameterBuffer release];
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#endif
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}
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void MTLComputeEvaluator::Synchronize(MTLContext*) { }
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bool MTLComputeEvaluator::EvalStencils(
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id<MTLBuffer> srcBuffer, BufferDescriptor const &srcDesc,
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id<MTLBuffer> dstBuffer, BufferDescriptor const &dstDesc,
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id<MTLBuffer> duBuffer, BufferDescriptor const &duDesc,
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id<MTLBuffer> dvBuffer, BufferDescriptor const &dvDesc,
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id<MTLBuffer> sizesBuffer,
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id<MTLBuffer> offsetsBuffer,
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id<MTLBuffer> indicesBuffer,
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id<MTLBuffer> weightsBuffer,
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id<MTLBuffer> duWeightsBuffer,
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id<MTLBuffer> dvWeightsBuffer,
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int start, int end,
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MTLContext* context) const
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{
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return EvalStencils(
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srcBuffer, srcDesc,
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dstBuffer, dstDesc,
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duBuffer, duDesc,
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dvBuffer, dvDesc,
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nil, BufferDescriptor(),
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nil, BufferDescriptor(),
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nil, BufferDescriptor(),
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sizesBuffer,
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offsetsBuffer,
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indicesBuffer,
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weightsBuffer,
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duWeightsBuffer,
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dvWeightsBuffer,
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nil, nil, nil,
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start, end,
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context);
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}
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bool MTLComputeEvaluator::EvalStencils(
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id<MTLBuffer> srcBuffer, BufferDescriptor const &srcDesc,
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id<MTLBuffer> dstBuffer, BufferDescriptor const &dstDesc,
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id<MTLBuffer> duBuffer, BufferDescriptor const &duDesc,
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id<MTLBuffer> dvBuffer, BufferDescriptor const &dvDesc,
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id<MTLBuffer> duuBuffer, BufferDescriptor const &duuDesc,
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id<MTLBuffer> duvBuffer, BufferDescriptor const &duvDesc,
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id<MTLBuffer> dvvBuffer, BufferDescriptor const &dvvDesc,
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id<MTLBuffer> sizesBuffer,
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id<MTLBuffer> offsetsBuffer,
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id<MTLBuffer> indicesBuffer,
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id<MTLBuffer> weightsBuffer,
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id<MTLBuffer> duWeightsBuffer,
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id<MTLBuffer> dvWeightsBuffer,
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id<MTLBuffer> duuWeightsBuffer,
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id<MTLBuffer> duvWeightsBuffer,
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id<MTLBuffer> dvvWeightsBuffer,
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int start, int end,
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MTLContext* context) const
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{
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if(_evalStencils == nil)
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return false;
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auto count = end - start;
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if (count <= 0)
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return true;
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assert(context != nullptr);
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auto device = context->device;
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auto commandQueue = context->commandQueue;
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assert(device != nil && commandQueue != nil);
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mtl::KernelUniformArgs args;
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args.batchStart = start;
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args.batchEnd = end;
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args.srcOffset = srcDesc.offset;
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args.dstOffset = dstDesc.offset;
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args.duDesc = (simd::int3){duDesc.offset, duDesc.length, duDesc.stride};
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args.dvDesc = (simd::int3){dvDesc.offset, dvDesc.length, dvDesc.stride};
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args.duuDesc = (simd::int3){duuDesc.offset, duuDesc.length, duuDesc.stride};
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args.duvDesc = (simd::int3){duvDesc.offset, duvDesc.length, duvDesc.stride};
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args.dvvDesc = (simd::int3){dvvDesc.offset, dvvDesc.length, dvvDesc.stride};
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memcpy(_parameterBuffer.contents, &args, sizeof(args));
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auto commandBuffer = [commandQueue commandBuffer];
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auto computeEncoder = [commandBuffer computeCommandEncoder];
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[computeEncoder setBuffer:_parameterBuffer offset:0 atIndex:PARAMETER_BUFFER_INDEX];
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[computeEncoder setBuffer:sizesBuffer offset:0 atIndex:SIZES_BUFFER_INDEX];
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[computeEncoder setBuffer:weightsBuffer offset:0 atIndex:WEIGHTS_BUFFER_INDEX];
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[computeEncoder setBuffer:offsetsBuffer offset:0 atIndex:OFFSETS_BUFFER_INDEX];
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[computeEncoder setBuffer:indicesBuffer offset:0 atIndex:INDICES_BUFFER_INDEX];
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[computeEncoder setBuffer:srcBuffer offset:0 atIndex:SRC_VERTEX_BUFFER_INDEX];
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[computeEncoder setBuffer:dstBuffer offset:0 atIndex:DST_VERTEX_BUFFER_INDEX];
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if(duWeightsBuffer && dvWeightsBuffer)
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{
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[computeEncoder setBuffer:duWeightsBuffer offset:0 atIndex:DU_WEIGHTS_BUFFER_INDEX];
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[computeEncoder setBuffer:dvWeightsBuffer offset:0 atIndex:DV_WEIGHTS_BUFFER_INDEX];
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}
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[computeEncoder setBuffer:duBuffer offset:0 atIndex:DU_DERIVATIVE_BUFFER_INDEX];
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[computeEncoder setBuffer:dvBuffer offset:0 atIndex:DV_DERIVATIVE_BUFFER_INDEX];
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if(duuWeightsBuffer && duvWeightsBuffer && dvvWeightsBuffer)
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{
|
|
[computeEncoder setBuffer:duuWeightsBuffer offset:0 atIndex:DUU_WEIGHTS_BUFFER_INDEX];
|
|
[computeEncoder setBuffer:duvWeightsBuffer offset:0 atIndex:DUV_WEIGHTS_BUFFER_INDEX];
|
|
[computeEncoder setBuffer:dvvWeightsBuffer offset:0 atIndex:DVV_WEIGHTS_BUFFER_INDEX];
|
|
}
|
|
if(duuBuffer && duvBuffer && dvvBuffer)
|
|
{
|
|
[computeEncoder setBuffer:duuBuffer offset:0 atIndex:DUU_DERIVATIVE_BUFFER_INDEX];
|
|
[computeEncoder setBuffer:duvBuffer offset:0 atIndex:DUV_DERIVATIVE_BUFFER_INDEX];
|
|
[computeEncoder setBuffer:dvvBuffer offset:0 atIndex:DVV_DERIVATIVE_BUFFER_INDEX];
|
|
}
|
|
[computeEncoder setComputePipelineState:_evalStencils];
|
|
|
|
auto threadgroups = MTLSizeMake((count + _workGroupSize - 1) / _workGroupSize, 1, 1);
|
|
auto threadsPerGroup = MTLSizeMake(_workGroupSize, 1, 1);
|
|
[computeEncoder dispatchThreadgroups:threadgroups
|
|
threadsPerThreadgroup:threadsPerGroup];
|
|
|
|
[computeEncoder endEncoding];
|
|
[commandBuffer commit];
|
|
[commandBuffer waitUntilCompleted];
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
MTLComputeEvaluator::EvalPatches(
|
|
id<MTLBuffer> srcBuffer, const BufferDescriptor &srcDesc,
|
|
id<MTLBuffer> dstBuffer, const BufferDescriptor &dstDesc,
|
|
id<MTLBuffer> duBuffer, const BufferDescriptor &duDesc,
|
|
id<MTLBuffer> dvBuffer, const BufferDescriptor &dvDesc,
|
|
int numPatchCoords,
|
|
id<MTLBuffer> patchCoordsBuffer,
|
|
const PatchArrayVector &patchArrays,
|
|
id<MTLBuffer> patchIndexBuffer,
|
|
id<MTLBuffer> patchParamsBuffer,
|
|
MTLContext* context) const
|
|
{
|
|
return EvalPatches(
|
|
srcBuffer, srcDesc,
|
|
dstBuffer, dstDesc,
|
|
duBuffer, duDesc,
|
|
dvBuffer, dvDesc,
|
|
nil, BufferDescriptor(),
|
|
nil, BufferDescriptor(),
|
|
nil, BufferDescriptor(),
|
|
numPatchCoords,
|
|
patchCoordsBuffer,
|
|
patchArrays,
|
|
patchIndexBuffer,
|
|
patchParamsBuffer,
|
|
context);
|
|
}
|
|
|
|
bool
|
|
MTLComputeEvaluator::EvalPatches(
|
|
id<MTLBuffer> srcBuffer, const BufferDescriptor &srcDesc,
|
|
id<MTLBuffer> dstBuffer, const BufferDescriptor &dstDesc,
|
|
id<MTLBuffer> duBuffer, const BufferDescriptor &duDesc,
|
|
id<MTLBuffer> dvBuffer, const BufferDescriptor &dvDesc,
|
|
id<MTLBuffer> duuBuffer, const BufferDescriptor &duuDesc,
|
|
id<MTLBuffer> duvBuffer, const BufferDescriptor &duvDesc,
|
|
id<MTLBuffer> dvvBuffer, const BufferDescriptor &dvvDesc,
|
|
int numPatchCoords,
|
|
id<MTLBuffer> patchCoordsBuffer,
|
|
const PatchArrayVector &patchArrays,
|
|
id<MTLBuffer> patchIndexBuffer,
|
|
id<MTLBuffer> patchParamsBuffer,
|
|
MTLContext* context) const
|
|
{
|
|
if(_evalPatches == nil)
|
|
return false;
|
|
|
|
assert(context != nullptr);
|
|
|
|
auto device = context->device;
|
|
auto commandQueue = context->commandQueue;
|
|
|
|
assert(device != nil && commandQueue != nil);
|
|
|
|
auto commandBuffer = [commandQueue commandBuffer];
|
|
auto computeCommandEncoder = [commandBuffer computeCommandEncoder];
|
|
|
|
mtl::KernelUniformArgs args;
|
|
args.batchStart = 0;
|
|
args.batchEnd = numPatchCoords;
|
|
args.srcOffset = srcDesc.offset;
|
|
args.dstOffset = dstDesc.offset;
|
|
args.duDesc = (simd::int3){duDesc.offset, duDesc.length, duDesc.stride};
|
|
args.dvDesc = (simd::int3){dvDesc.offset, dvDesc.length, dvDesc.stride};
|
|
args.duuDesc = (simd::int3){duuDesc.offset, duuDesc.length, duuDesc.stride};
|
|
args.duvDesc = (simd::int3){duvDesc.offset, duvDesc.length, duvDesc.stride};
|
|
args.dvvDesc = (simd::int3){dvvDesc.offset, dvvDesc.length, dvvDesc.stride};
|
|
|
|
[computeCommandEncoder setBytes:&args length:sizeof(mtl::KernelUniformArgs) atIndex:PARAMETER_BUFFER_INDEX];
|
|
[computeCommandEncoder setBuffer:srcBuffer offset:0 atIndex:SRC_VERTEX_BUFFER_INDEX];
|
|
[computeCommandEncoder setBuffer:dstBuffer offset:0 atIndex:DST_VERTEX_BUFFER_INDEX];
|
|
if (duBuffer && dvBuffer) {
|
|
[computeCommandEncoder setBuffer:duBuffer offset:0 atIndex:DU_DERIVATIVE_BUFFER_INDEX];
|
|
[computeCommandEncoder setBuffer:dvBuffer offset:0 atIndex:DV_DERIVATIVE_BUFFER_INDEX];
|
|
}
|
|
if (duuBuffer && duvBuffer && dvvBuffer) {
|
|
[computeCommandEncoder setBuffer:duuBuffer offset:0 atIndex:DUU_DERIVATIVE_BUFFER_INDEX];
|
|
[computeCommandEncoder setBuffer:duvBuffer offset:0 atIndex:DUV_DERIVATIVE_BUFFER_INDEX];
|
|
[computeCommandEncoder setBuffer:dvvBuffer offset:0 atIndex:DVV_DERIVATIVE_BUFFER_INDEX];
|
|
}
|
|
[computeCommandEncoder setBuffer:patchCoordsBuffer offset:0 atIndex:PATCH_COORDS_BUFFER_INDEX];
|
|
[computeCommandEncoder setBuffer:patchIndexBuffer offset:0 atIndex:PATCH_INDICES_BUFFER_INDEX];
|
|
[computeCommandEncoder setBuffer:patchParamsBuffer offset:0 atIndex:PATCH_PARAMS_BUFFER_INDEX];
|
|
assert(!patchArrays.empty());
|
|
[computeCommandEncoder setBytes:&patchArrays[0] length:sizeof(patchArrays[0]) * patchArrays.size() atIndex:PATCH_ARRAYS_BUFFER_INDEX];
|
|
[computeCommandEncoder setComputePipelineState:_evalPatches];
|
|
|
|
auto threadgroups =
|
|
MTLSizeMake((numPatchCoords + _workGroupSize - 1) / _workGroupSize, 1, 1);
|
|
auto threadsPerGroup = MTLSizeMake(_workGroupSize, 1, 1);
|
|
[computeCommandEncoder dispatchThreadgroups:threadgroups
|
|
threadsPerThreadgroup:threadsPerGroup];
|
|
|
|
[computeCommandEncoder endEncoding];
|
|
[commandBuffer commit];
|
|
[commandBuffer waitUntilCompleted];
|
|
|
|
return true;
|
|
}
|
|
|
|
} //end namespace Osd
|
|
|
|
} //end namespace OPENSUBDIV_VERSION
|
|
} //end namespace OpenSubdiv
|