/* Copyright (c) 2010 - 2021 Advanced Micro Devices, Inc. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "OCLGLBufferMultipleQueues.h" #include #include #include #include const static char* strKernel = "__kernel void glbuffer_test( __global uint4 *source, __global uint4 " "*glDest, __global uint4 *clDest) \n" "{ " " \n" " int tid = get_global_id(0); " " \n" " glDest[ tid ] = source[ tid ] + (uint4)(2); " " \n" " clDest[ tid ] = source[ tid ] + (uint4)(1); " " \n" "} " " \n"; OCLGLBufferMultipleQueues::OCLGLBufferMultipleQueues() { _numSubTests = 1; } OCLGLBufferMultipleQueues::~OCLGLBufferMultipleQueues() {} void OCLGLBufferMultipleQueues::open(unsigned int test, char* units, double& conversion, unsigned int deviceId) { // Initialize random number seed srand((unsigned int)time(NULL)); OCLGLCommon::open(test, units, conversion, deviceId); if (_errorFlag) return; // Create multiple queues for the device (first add already created queue in // OCLGLCommon::open, then add a second queue) deviceCmdQueues_.resize(QUEUES_PER_DEVICE_COUNT); deviceCmdQueues_[0] = cmdQueues_[deviceId]; for (int queueIndex = 1; queueIndex < QUEUES_PER_DEVICE_COUNT; queueIndex++) { cl_command_queue cmdQueue = _wrapper->clCreateCommandQueue( context_, devices_[deviceId], 0, &error_); CHECK_RESULT((error_ != CL_SUCCESS), "clCreateCommandQueue() failed"); deviceCmdQueues_[queueIndex] = cmdQueue; } // Build the kernel program_ = _wrapper->clCreateProgramWithSource(context_, 1, &strKernel, NULL, &error_); CHECK_RESULT((error_ != CL_SUCCESS), "clCreateProgramWithSource() failed (%d)", error_); error_ = _wrapper->clBuildProgram(program_, 1, &devices_[deviceId], NULL, NULL, NULL); if (error_ != CL_SUCCESS) { char programLog[1024]; _wrapper->clGetProgramBuildInfo(program_, devices_[deviceId], CL_PROGRAM_BUILD_LOG, 1024, programLog, 0); printf("\n%s\n", programLog); fflush(stdout); } CHECK_RESULT((error_ != CL_SUCCESS), "clBuildProgram() failed (%d)", error_); kernel_ = _wrapper->clCreateKernel(program_, "glbuffer_test", &error_); CHECK_RESULT((error_ != CL_SUCCESS), "clCreateKernel() failed (%d)", error_); } void OCLGLBufferMultipleQueues::run(void) { if (_errorFlag) { return; } inputGLBufferPerQueue_.resize(QUEUES_PER_DEVICE_COUNT, NULL); outputGLBufferPerQueue_.resize(QUEUES_PER_DEVICE_COUNT, NULL); outputCLBufferPerQueue_.resize(QUEUES_PER_DEVICE_COUNT, NULL); std::vector > inData( QUEUES_PER_DEVICE_COUNT); // Input data per queue inGLBufferIDs_.resize(QUEUES_PER_DEVICE_COUNT, 0); outGLBufferIDs_.resize(QUEUES_PER_DEVICE_COUNT, 0); for (int queueIndex = 0; queueIndex < QUEUES_PER_DEVICE_COUNT; queueIndex++) { // Initialize input data with random values inData[queueIndex].resize(BUFFER_ELEMENTS_COUNT); for (int i = 0; i < BUFFER_ELEMENTS_COUNT; i++) { for (unsigned int j = 0; j < sizeof(cl_uint4) / sizeof(cl_uint); j++) { inData[queueIndex][i].s[j] = (unsigned int)rand(); } } // Generate and Bind in & out OpenGL buffers glGenBuffers(1, &inGLBufferIDs_[queueIndex]); glGenBuffers(1, &outGLBufferIDs_[queueIndex]); glBindBuffer(GL_ARRAY_BUFFER, inGLBufferIDs_[queueIndex]); glBufferData(GL_ARRAY_BUFFER, BUFFER_ELEMENTS_COUNT * sizeof(cl_uint4), &inData[queueIndex][0], GL_STATIC_DRAW); glBindBuffer(GL_ARRAY_BUFFER, outGLBufferIDs_[queueIndex]); glBufferData(GL_ARRAY_BUFFER, BUFFER_ELEMENTS_COUNT * sizeof(cl_uint4), NULL, GL_STATIC_DRAW); glBindBuffer(GL_ARRAY_BUFFER, 0); glFinish(); // Create input buffer from GL input buffer inputGLBufferPerQueue_[queueIndex] = _wrapper->clCreateFromGLBuffer( context_, CL_MEM_READ_ONLY, inGLBufferIDs_[queueIndex], &error_); CHECK_RESULT((error_ != CL_SUCCESS), "Unable to create input GL buffer (%d)", error_); // Create output buffer from GL output buffer outputGLBufferPerQueue_[queueIndex] = _wrapper->clCreateFromGLBuffer( context_, CL_MEM_WRITE_ONLY, outGLBufferIDs_[queueIndex], &error_); CHECK_RESULT((error_ != CL_SUCCESS), "Unable to create output GL buffer (%d)", error_); // Create a CL output buffer outputCLBufferPerQueue_[queueIndex] = _wrapper->clCreateBuffer( context_, CL_MEM_WRITE_ONLY, BUFFER_ELEMENTS_COUNT * sizeof(cl_uint4), NULL, &error_); CHECK_RESULT((error_ != CL_SUCCESS), "clCreateBuffer() failed (%d)", error_); } for (int queueIndex = 0; queueIndex < QUEUES_PER_DEVICE_COUNT; queueIndex++) { // Assign arguments to kernel according to queue index error_ = _wrapper->clSetKernelArg( kernel_, 0, sizeof(cl_mem), &inputGLBufferPerQueue_[queueIndex]); // Input source CHECK_RESULT((error_ != CL_SUCCESS), "clSetKernelArg() failed (%d)", error_); error_ = _wrapper->clSetKernelArg( kernel_, 1, sizeof(cl_mem), &outputGLBufferPerQueue_[queueIndex]); // Output glDest CHECK_RESULT((error_ != CL_SUCCESS), "clSetKernelArg() failed (%d)", error_); error_ = _wrapper->clSetKernelArg( kernel_, 2, sizeof(cl_mem), &outputCLBufferPerQueue_[queueIndex]); // Output clDest CHECK_RESULT((error_ != CL_SUCCESS), "clSetKernelArg() failed (%d)", error_); // Acquire input GL buffer error_ = _wrapper->clEnqueueAcquireGLObjects( deviceCmdQueues_[queueIndex], 1, &inputGLBufferPerQueue_[queueIndex], 0, NULL, NULL); CHECK_RESULT((error_ != CL_SUCCESS), "Unable to acquire GL objects (%d)", error_); // Acquire output GL buffer error_ = _wrapper->clEnqueueAcquireGLObjects( deviceCmdQueues_[queueIndex], 1, &outputGLBufferPerQueue_[queueIndex], 0, NULL, NULL); CHECK_RESULT((error_ != CL_SUCCESS), "Unable to acquire GL objects (%d)", error_); // Enqueue the kernel size_t gws[1] = {BUFFER_ELEMENTS_COUNT}; error_ = _wrapper->clEnqueueNDRangeKernel(deviceCmdQueues_[queueIndex], kernel_, 1, NULL, gws, NULL, 0, NULL, NULL); CHECK_RESULT((error_ != CL_SUCCESS), "clEnqueueNDRangeKernel() failed (%d)", error_); // Release input GL buffer error_ = _wrapper->clEnqueueReleaseGLObjects( deviceCmdQueues_[queueIndex], 1, &inputGLBufferPerQueue_[queueIndex], 0, NULL, NULL); CHECK_RESULT((error_ != CL_SUCCESS), "clEnqueueReleaseGLObjects failed (%d)", error_); // Release output GL buffer error_ = _wrapper->clEnqueueReleaseGLObjects( deviceCmdQueues_[queueIndex], 1, &outputGLBufferPerQueue_[queueIndex], 0, NULL, NULL); CHECK_RESULT((error_ != CL_SUCCESS), "clEnqueueReleaseGLObjects failed (%d)", error_); // Flush commands in order to trigger the operations error_ = _wrapper->clFlush(deviceCmdQueues_[queueIndex]); CHECK_RESULT((error_ != CL_SUCCESS), "clFlush() failed (%d)", error_); } for (int queueIndex = 0; queueIndex < QUEUES_PER_DEVICE_COUNT; queueIndex++) { // Get the results from CL buffer (in a synchronous manner) cl_uint4 outDataCL[BUFFER_ELEMENTS_COUNT]; error_ = _wrapper->clEnqueueReadBuffer( deviceCmdQueues_[queueIndex], outputCLBufferPerQueue_[queueIndex], CL_TRUE, 0, BUFFER_ELEMENTS_COUNT * sizeof(cl_uint4), outDataCL, 0, NULL, NULL); CHECK_RESULT((error_ != CL_SUCCESS), "Unable to read output CL array! (%d)", error_); cl_uint4 outDataGL[BUFFER_ELEMENTS_COUNT] = {{{0}}}; glBindBuffer(GL_ARRAY_BUFFER, outGLBufferIDs_[queueIndex]); // why again void* glMem = glMapBuffer(GL_ARRAY_BUFFER, GL_READ_ONLY); memcpy(outDataGL, glMem, BUFFER_ELEMENTS_COUNT * sizeof(cl_uint4)); glUnmapBuffer(GL_ARRAY_BUFFER); cl_uint4 expectedCL = {{0}}; cl_uint4 expectedGL = {{0}}; // Check output for (int i = 0; i < BUFFER_ELEMENTS_COUNT; ++i) { // Calculate expected value in CL output buffer (input + 1) expectedCL = inData[queueIndex][i]; expectedCL.s[0]++; expectedCL.s[1]++; expectedCL.s[2]++; expectedCL.s[3]++; // Calculate expected value in GL output buffer (input + 2) expectedGL = inData[queueIndex][i]; expectedGL.s[0] += 2; expectedGL.s[1] += 2; expectedGL.s[2] += 2; expectedGL.s[3] += 2; // Compare expected output with actual data received for (unsigned int j = 0; j < sizeof(cl_uint4) / sizeof(cl_uint); j++) { CHECK_RESULT((outDataCL[i].s[j] != expectedCL.s[j]), "Element %d in CL output buffer is incorrect!\n\t \ expected:{%d, %d, %d, %d} differs from actual:{%d, %d, %d, %d}", i, expectedCL.s[0], expectedCL.s[1], expectedCL.s[2], expectedCL.s[3], outDataCL[i].s[0], outDataCL[i].s[1], outDataCL[i].s[2], outDataCL[i].s[3]); CHECK_RESULT((outDataGL[i].s[j] != expectedGL.s[j]), "Element %d in GL output buffer is incorrect!\n\t \ expected:{%d, %d, %d, %d} differs from actual:{%d, %d, %d, %d}", i, expectedGL.s[0], expectedGL.s[1], expectedGL.s[2], expectedGL.s[3], outDataGL[i].s[0], outDataGL[i].s[1], outDataGL[i].s[2], outDataGL[i].s[3]); } } } } unsigned int OCLGLBufferMultipleQueues::close(void) { // Release cl buffers (must be done before releasing the associated GL // buffers) for (int bufferIndex = 0; bufferIndex < (int)inputGLBufferPerQueue_.size(); bufferIndex++) { error_ = _wrapper->clReleaseMemObject(inputGLBufferPerQueue_[bufferIndex]); CHECK_RESULT_NO_RETURN((error_ != CL_SUCCESS), "clReleaseMemObject() failed"); } for (int bufferIndex = 0; bufferIndex < (int)outputGLBufferPerQueue_.size(); bufferIndex++) { error_ = _wrapper->clReleaseMemObject(outputGLBufferPerQueue_[bufferIndex]); CHECK_RESULT_NO_RETURN((error_ != CL_SUCCESS), "clReleaseMemObject() failed"); } for (int bufferIndex = 0; bufferIndex < (int)outputCLBufferPerQueue_.size(); bufferIndex++) { error_ = _wrapper->clReleaseMemObject(outputCLBufferPerQueue_[bufferIndex]); CHECK_RESULT_NO_RETURN((error_ != CL_SUCCESS), "clReleaseMemObject() failed"); } // Delete GL in & out buffers glBindBuffer(GL_ARRAY_BUFFER, 0); if (!inGLBufferIDs_.empty()) { glDeleteBuffers((int)inGLBufferIDs_.size(), &inGLBufferIDs_[0]); } if (!outGLBufferIDs_.empty()) { glDeleteBuffers((int)outGLBufferIDs_.size(), &outGLBufferIDs_[0]); } // Release queues created by open method, the first queue per device is // released by base class for (int queueIndex = 1; queueIndex < (int)deviceCmdQueues_.size(); queueIndex++) { error_ = _wrapper->clReleaseCommandQueue(deviceCmdQueues_[queueIndex]); CHECK_RESULT_NO_RETURN((error_ != CL_SUCCESS), "clReleaseCommandQueue() failed"); } deviceCmdQueues_.clear(); return OCLGLCommon::close(); }