mirror of
https://github.com/PixarAnimationStudios/OpenSubdiv
synced 2024-11-27 05:50:05 +00:00
f9523f916f
A mechanical substitution of VertexBufferDescriptor with BufferDescriptor. Also removing unused files from osd.
340 lines
13 KiB
C++
340 lines
13 KiB
C++
//
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// Copyright 2015 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/clEvaluator.h"
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#include <sstream>
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#include <string>
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#include <vector>
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#include <cstdio>
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#include "../osd/opencl.h"
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#include "../far/error.h"
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#include "../far/stencilTable.h"
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namespace OpenSubdiv {
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namespace OPENSUBDIV_VERSION {
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namespace Osd {
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static const char *clSource =
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#include "clKernel.gen.h"
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;
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// ----------------------------------------------------------------------------
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template <class T> cl_mem
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createCLBuffer(std::vector<T> const & src, cl_context clContext) {
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cl_int errNum = 0;
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cl_mem devicePtr = clCreateBuffer(clContext,
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CL_MEM_READ_WRITE|CL_MEM_COPY_HOST_PTR,
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src.size()*sizeof(T),
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(void*)(&src.at(0)),
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&errNum);
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if (errNum != CL_SUCCESS) {
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Far::Error(Far::FAR_RUNTIME_ERROR, "clCreateBuffer: %d", errNum);
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}
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return devicePtr;
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}
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// ----------------------------------------------------------------------------
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CLStencilTable::CLStencilTable(Far::StencilTable const *stencilTable,
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cl_context clContext) {
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_numStencils = stencilTable->GetNumStencils();
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if (_numStencils > 0) {
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_sizes = createCLBuffer(stencilTable->GetSizes(), clContext);
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_offsets = createCLBuffer(stencilTable->GetOffsets(), clContext);
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_indices = createCLBuffer(stencilTable->GetControlIndices(),
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clContext);
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_weights = createCLBuffer(stencilTable->GetWeights(), clContext);
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_duWeights = _dvWeights = NULL;
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} else {
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_sizes = _offsets = _indices = _weights = NULL;
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_duWeights = _dvWeights = NULL;
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}
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}
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CLStencilTable::CLStencilTable(Far::LimitStencilTable const *limitStencilTable,
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cl_context clContext) {
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_numStencils = limitStencilTable->GetNumStencils();
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if (_numStencils > 0) {
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_sizes = createCLBuffer(limitStencilTable->GetSizes(), clContext);
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_offsets = createCLBuffer(limitStencilTable->GetOffsets(), clContext);
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_indices = createCLBuffer(limitStencilTable->GetControlIndices(),
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clContext);
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_weights = createCLBuffer(limitStencilTable->GetWeights(), clContext);
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_duWeights = createCLBuffer(
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limitStencilTable->GetDuWeights(), clContext);
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_dvWeights = createCLBuffer(
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limitStencilTable->GetDvWeights(), clContext);
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} else {
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_sizes = _offsets = _indices = _weights = NULL;
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_duWeights = _dvWeights = NULL;
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}
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}
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CLStencilTable::~CLStencilTable() {
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if (_sizes) clReleaseMemObject(_sizes);
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if (_offsets) clReleaseMemObject(_offsets);
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if (_indices) clReleaseMemObject(_indices);
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if (_weights) clReleaseMemObject(_weights);
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if (_duWeights) clReleaseMemObject(_duWeights);
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if (_dvWeights) clReleaseMemObject(_dvWeights);
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}
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// ---------------------------------------------------------------------------
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CLEvaluator::CLEvaluator(cl_context context, cl_command_queue queue)
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: _clContext(context), _clCommandQueue(queue),
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_program(NULL), _stencilKernel(NULL), _stencilDerivKernel(NULL),
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_patchKernel(NULL) {
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}
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CLEvaluator::~CLEvaluator() {
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if (_stencilKernel) clReleaseKernel(_stencilKernel);
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if (_stencilDerivKernel) clReleaseKernel(_stencilDerivKernel);
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if (_patchKernel) clReleaseKernel(_patchKernel);
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if (_program) clReleaseProgram(_program);
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}
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bool
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CLEvaluator::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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if (srcDesc.length > dstDesc.length) {
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Far::Error(Far::FAR_RUNTIME_ERROR,
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"srcDesc length must be less than or equal to "
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"dstDesc length.\n");
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return false;
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}
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cl_int errNum;
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std::ostringstream defines;
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defines << "#define LENGTH " << srcDesc.length << "\n"
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<< "#define SRC_STRIDE " << srcDesc.stride << "\n"
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<< "#define DST_STRIDE " << dstDesc.stride << "\n";
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std::string defineStr = defines.str();
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const char *sources[] = { defineStr.c_str(), clSource };
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_program = clCreateProgramWithSource(_clContext, 2, sources, 0, &errNum);
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if (errNum != CL_SUCCESS) {
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Far::Error(Far::FAR_RUNTIME_ERROR,
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"clCreateProgramWithSource (%d)", errNum);
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}
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errNum = clBuildProgram(_program, 0, NULL, NULL, NULL, NULL);
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if (errNum != CL_SUCCESS) {
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Far::Error(Far::FAR_RUNTIME_ERROR, "clBuildProgram (%d) \n", errNum);
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cl_int numDevices = 0;
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clGetContextInfo(
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_clContext, CL_CONTEXT_NUM_DEVICES,
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sizeof(cl_uint), &numDevices, NULL);
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cl_device_id *devices = new cl_device_id[numDevices];
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clGetContextInfo(_clContext, CL_CONTEXT_DEVICES,
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sizeof(cl_device_id)*numDevices, devices, NULL);
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for (int i = 0; i < numDevices; ++i) {
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char cBuildLog[10240];
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clGetProgramBuildInfo(
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_program, devices[i],
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CL_PROGRAM_BUILD_LOG, sizeof(cBuildLog), cBuildLog, NULL);
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Far::Error(Far::FAR_RUNTIME_ERROR, cBuildLog);
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}
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delete[] devices;
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return false;
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}
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_stencilKernel = clCreateKernel(_program, "computeStencils", &errNum);
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if (errNum != CL_SUCCESS) {
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Far::Error(Far::FAR_RUNTIME_ERROR, "buildKernel (%d)\n", errNum);
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return false;
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}
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_stencilDerivKernel = clCreateKernel(_program,
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"computeStencilsDerivatives", &errNum);
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if (errNum != CL_SUCCESS) {
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Far::Error(Far::FAR_RUNTIME_ERROR, "buildKernel (%d)\n", errNum);
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return false;
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}
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_patchKernel = clCreateKernel(_program, "computePatches", &errNum);
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if (errNum != CL_SUCCESS) {
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Far::Error(Far::FAR_RUNTIME_ERROR, "buildKernel (%d)\n", errNum);
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return false;
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}
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return true;
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}
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bool
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CLEvaluator::EvalStencils(cl_mem src, BufferDescriptor const &srcDesc,
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cl_mem dst, BufferDescriptor const &dstDesc,
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cl_mem sizes,
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cl_mem offsets,
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cl_mem indices,
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cl_mem weights,
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int start, int end) const {
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if (end <= start) return true;
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size_t globalWorkSize = (size_t)(end - start);
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clSetKernelArg(_stencilKernel, 0, sizeof(cl_mem), &src);
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clSetKernelArg(_stencilKernel, 1, sizeof(int), &srcDesc.offset);
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clSetKernelArg(_stencilKernel, 2, sizeof(cl_mem), &dst);
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clSetKernelArg(_stencilKernel, 3, sizeof(int), &dstDesc.offset);
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clSetKernelArg(_stencilKernel, 4, sizeof(cl_mem), &sizes);
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clSetKernelArg(_stencilKernel, 5, sizeof(cl_mem), &offsets);
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clSetKernelArg(_stencilKernel, 6, sizeof(cl_mem), &indices);
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clSetKernelArg(_stencilKernel, 7, sizeof(cl_mem), &weights);
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clSetKernelArg(_stencilKernel, 8, sizeof(int), &start);
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clSetKernelArg(_stencilKernel, 9, sizeof(int), &end);
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cl_int errNum = clEnqueueNDRangeKernel(
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_clCommandQueue, _stencilKernel, 1, NULL,
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&globalWorkSize, NULL, 0, NULL, NULL);
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if (errNum != CL_SUCCESS) {
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Far::Error(Far::FAR_RUNTIME_ERROR,
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"ApplyStencilKernel (%d) ", errNum);
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return false;
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}
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clFinish(_clCommandQueue);
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return true;
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}
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bool
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CLEvaluator::EvalStencils(cl_mem src, BufferDescriptor const &srcDesc,
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cl_mem dst, BufferDescriptor const &dstDesc,
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cl_mem du, BufferDescriptor const &duDesc,
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cl_mem dv, BufferDescriptor const &dvDesc,
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cl_mem sizes,
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cl_mem offsets,
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cl_mem indices,
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cl_mem weights,
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cl_mem duWeights,
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cl_mem dvWeights,
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int start, int end) const {
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if (end <= start) return true;
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size_t globalWorkSize = (size_t)(end - start);
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clSetKernelArg(_stencilDerivKernel, 0, sizeof(cl_mem), &src);
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clSetKernelArg(_stencilDerivKernel, 1, sizeof(int), &srcDesc.offset);
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clSetKernelArg(_stencilDerivKernel, 2, sizeof(cl_mem), &dst);
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clSetKernelArg(_stencilDerivKernel, 3, sizeof(int), &dstDesc.offset);
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clSetKernelArg(_stencilDerivKernel, 4, sizeof(cl_mem), &du);
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clSetKernelArg(_stencilDerivKernel, 5, sizeof(int), &duDesc.offset);
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clSetKernelArg(_stencilDerivKernel, 6, sizeof(int), &duDesc.stride);
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clSetKernelArg(_stencilDerivKernel, 7, sizeof(cl_mem), &dv);
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clSetKernelArg(_stencilDerivKernel, 8, sizeof(int), &dvDesc.offset);
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clSetKernelArg(_stencilDerivKernel, 9, sizeof(int), &dvDesc.stride);
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clSetKernelArg(_stencilDerivKernel, 10, sizeof(cl_mem), &sizes);
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clSetKernelArg(_stencilDerivKernel, 11, sizeof(cl_mem), &offsets);
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clSetKernelArg(_stencilDerivKernel, 12, sizeof(cl_mem), &indices);
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clSetKernelArg(_stencilDerivKernel, 13, sizeof(cl_mem), &weights);
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clSetKernelArg(_stencilDerivKernel, 14, sizeof(cl_mem), &duWeights);
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clSetKernelArg(_stencilDerivKernel, 15, sizeof(cl_mem), &dvWeights);
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clSetKernelArg(_stencilDerivKernel, 16, sizeof(int), &start);
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clSetKernelArg(_stencilDerivKernel, 17, sizeof(int), &end);
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cl_int errNum = clEnqueueNDRangeKernel(
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_clCommandQueue, _stencilDerivKernel, 1, NULL,
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&globalWorkSize, NULL, 0, NULL, NULL);
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if (errNum != CL_SUCCESS) {
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Far::Error(Far::FAR_RUNTIME_ERROR,
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"ApplyStencilKernel (%d) ", errNum);
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return false;
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}
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clFinish(_clCommandQueue);
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return true;
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}
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bool
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CLEvaluator::EvalPatches(cl_mem src, BufferDescriptor const &srcDesc,
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cl_mem dst, BufferDescriptor const &dstDesc,
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cl_mem du, BufferDescriptor const &duDesc,
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cl_mem dv, BufferDescriptor const &dvDesc,
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int numPatchCoords,
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cl_mem patchCoordsBuffer,
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cl_mem patchArrayBuffer,
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cl_mem patchIndexBuffer,
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cl_mem patchParamBuffer) const {
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size_t globalWorkSize = (size_t)(numPatchCoords);
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clSetKernelArg(_patchKernel, 0, sizeof(cl_mem), &src);
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clSetKernelArg(_patchKernel, 1, sizeof(int), &srcDesc.offset);
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clSetKernelArg(_patchKernel, 2, sizeof(cl_mem), &dst);
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clSetKernelArg(_patchKernel, 3, sizeof(int), &dstDesc.offset);
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clSetKernelArg(_patchKernel, 4, sizeof(cl_mem), &du);
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clSetKernelArg(_patchKernel, 5, sizeof(int), &duDesc.offset);
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clSetKernelArg(_patchKernel, 6, sizeof(int), &duDesc.stride);
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clSetKernelArg(_patchKernel, 7, sizeof(cl_mem), &dv);
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clSetKernelArg(_patchKernel, 8, sizeof(int), &dvDesc.offset);
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clSetKernelArg(_patchKernel, 9, sizeof(int), &dvDesc.stride);
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clSetKernelArg(_patchKernel, 10, sizeof(cl_mem), &patchCoordsBuffer);
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clSetKernelArg(_patchKernel, 11, sizeof(cl_mem), &patchArrayBuffer);
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clSetKernelArg(_patchKernel, 12, sizeof(cl_mem), &patchIndexBuffer);
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clSetKernelArg(_patchKernel, 13, sizeof(cl_mem), &patchParamBuffer);
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cl_int errNum = clEnqueueNDRangeKernel(
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_clCommandQueue, _patchKernel, 1, NULL,
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&globalWorkSize, NULL, 0, NULL, NULL);
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if (errNum != CL_SUCCESS) {
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Far::Error(Far::FAR_RUNTIME_ERROR,
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"ApplyPatchKernel (%d) ", errNum);
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return false;
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}
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clFinish(_clCommandQueue);
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return true;
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}
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/* static */
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void
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CLEvaluator::Synchronize(cl_command_queue clCommandQueue) {
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clFinish(clCommandQueue);
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}
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} // end namespace Osd
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} // end namespace OPENSUBDIV_VERSION
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} // end namespace OpenSubdiv
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