Danylo Lytovchenko
262 строки
9.0 KiB
C++
262 строки
9.0 KiB
C++
/* Copyright (c) 2010 - 2021 Advanced Micro Devices, Inc.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE. */
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#include "OCLGLDepthTex.h"
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#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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const static char* strKernel =
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"__kernel void gldepths_test( __global float *output, read_only image2d_t "
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"source, sampler_t sampler){ \n"
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" int tidX = get_global_id(0);\n"
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" int tidY = get_global_id(1);\n"
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" float4 value = read_imagef( source, sampler, (int2)( tidX, tidY ) );\n"
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" output[ tidY * get_image_width( source ) + tidX ] = value.z;\n"
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"}\n";
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OCLGLDepthTex::OCLGLDepthTex()
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: glDepthBuffer_(0),
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frameBufferOBJ_(0),
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colorBuffer_(0),
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clOutputBuffer_(0),
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clDepth_(0),
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clSampler_(0),
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pGLOutput_(0),
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pCLOutput_(0),
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extensionSupported_(false) {
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_numSubTests = 8;
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_currentTest = 0;
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}
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OCLGLDepthTex::~OCLGLDepthTex() {}
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void OCLGLDepthTex::open(unsigned int test, char* units, double& conversion,
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unsigned int deviceId) {
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OCLGLCommon::open(test, units, conversion, deviceId);
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if (_errorFlag) return;
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char* pExtensions = (char*)malloc(8192);
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size_t returnSize;
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_wrapper->clGetDeviceInfo(devices_[deviceId], CL_DEVICE_EXTENSIONS, 8192, pExtensions,
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&returnSize);
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// if extension if not supported
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if (!strstr(pExtensions, "cl_khr_gl_depth_images")) {
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free(pExtensions);
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printf("skipping test depth interop not supported\n");
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return;
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}
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free(pExtensions);
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extensionSupported_ = true;
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static const char* OpenCL20Kernel = "-cl-std=CL2.0";
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const char* options = OpenCL20Kernel;
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if (test < 4) {
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options = NULL;
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}
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_currentTest = test % 4;
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// Build the kernel
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program_ = _wrapper->clCreateProgramWithSource(context_, 1, &strKernel, NULL, &error_);
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CHECK_RESULT((error_ != CL_SUCCESS), "clCreateProgramWithSource() failed (%d)", error_);
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error_ = _wrapper->clBuildProgram(program_, 1, &devices_[deviceId], options, NULL, NULL);
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if (error_ != CL_SUCCESS) {
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char programLog[1024];
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_wrapper->clGetProgramBuildInfo(program_, devices_[deviceId], CL_PROGRAM_BUILD_LOG, 1024,
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programLog, 0);
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printf("\n%s\n", programLog);
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fflush(stdout);
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}
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CHECK_RESULT((error_ != CL_SUCCESS), "clBuildProgram() failed (%d)", error_);
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kernel_ = _wrapper->clCreateKernel(program_, "gldepths_test", &error_);
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CHECK_RESULT((error_ != CL_SUCCESS), "clCreateKernel() failed (%d)", error_);
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}
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void OCLGLDepthTex::run(void) {
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if (_errorFlag || !extensionSupported_) {
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return;
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}
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bool retVal;
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switch (_currentTest) {
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case 0:
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retVal = testDepthRead(GL_DEPTH24_STENCIL8, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8);
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break;
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case 1:
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retVal = testDepthRead(GL_DEPTH_COMPONENT16, GL_DEPTH_COMPONENT, GL_FLOAT);
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break;
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case 2:
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retVal = testDepthRead(GL_DEPTH_COMPONENT32F, GL_DEPTH_COMPONENT, GL_FLOAT);
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break;
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case 3:
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retVal =
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testDepthRead(GL_DEPTH32F_STENCIL8, GL_DEPTH_STENCIL, GL_FLOAT_32_UNSIGNED_INT_24_8_REV);
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break;
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default:
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CHECK_RESULT(true, "unsupported test number\n");
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}
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CHECK_RESULT((retVal != true), "cl-gl depth test failed ");
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}
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bool OCLGLDepthTex::testDepthRead(GLint internalFormat, GLenum format, GLenum type) {
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const unsigned int bufferSize = c_dimSize * c_dimSize * 4;
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pGLOutput_ = (float*)malloc(bufferSize);
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pCLOutput_ = (float*)malloc(bufferSize);
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size_t dimSizes[] = {c_dimSize, c_dimSize};
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bool retVal = false;
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// create Frame buffer object
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glGenFramebuffers(1, &frameBufferOBJ_);
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glBindFramebuffer(GL_FRAMEBUFFER, frameBufferOBJ_);
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// create textures
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glGenTextures(1, &colorBuffer_);
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glBindTexture(GL_TEXTURE_2D, colorBuffer_);
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, c_dimSize, c_dimSize, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0);
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glGenTextures(1, &glDepthBuffer_);
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glBindTexture(GL_TEXTURE_2D, glDepthBuffer_);
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glTexImage2D(GL_TEXTURE_2D, 0, internalFormat, c_dimSize, c_dimSize, 0, format, type, 0);
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GLint glError = glGetError();
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//
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glFramebufferTexture(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, colorBuffer_, 0);
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if (GL_DEPTH_COMPONENT == format) {
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glFramebufferTexture(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, glDepthBuffer_, 0);
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} else {
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glFramebufferTexture(GL_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, glDepthBuffer_, 0);
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}
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glBindFramebuffer(GL_FRAMEBUFFER, frameBufferOBJ_);
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GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
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if (GL_FRAMEBUFFER_COMPLETE != status) {
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printf("frame buffer incomplete!\n");
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return false;
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}
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// set up gl state machine
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glViewport(0, 0, c_dimSize, c_dimSize); // Reset The Current Viewport
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glMatrixMode(GL_PROJECTION); // Select The Projection Matrix
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glLoadIdentity(); // Reset The Projection Matrix
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gluPerspective(30.0f, (GLfloat)c_dimSize / (GLfloat)c_dimSize, 0.1f, 100.0f);
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glMatrixMode(GL_MODELVIEW); // Select The Modelview Matrix
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glLoadIdentity();
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glEnable(GL_DEPTH_TEST);
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glBindFramebuffer(GL_FRAMEBUFFER, frameBufferOBJ_);
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cl_int error;
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clOutputBuffer_ = _wrapper->clCreateBuffer(context_, CL_MEM_WRITE_ONLY, bufferSize, NULL, &error);
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if (CL_SUCCESS != error) return false;
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clSampler_ =
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_wrapper->clCreateSampler(context_, CL_FALSE, CL_ADDRESS_NONE, CL_FILTER_NEAREST, &error);
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if (CL_SUCCESS != error) return false;
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clDepth_ = _wrapper->clCreateFromGLTexture(context_, CL_MEM_READ_ONLY, GL_TEXTURE_2D, 0,
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glDepthBuffer_, &error);
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if (CL_SUCCESS != error) return false;
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for (int i = 0; i < 3; ++i) {
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// The Type Of Depth Testing To Do
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // Clear Screen And Depth Buffer
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const float zValues[3][2] = {
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{-6.f, -3.f},
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{-5.f, -2.f},
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{-4.f, -1.f},
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};
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glBegin(GL_QUADS); // Draw A Quad
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glVertex3f(-1.0f, 1.0f, zValues[i][0]); // Top Left
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glVertex3f(1.0f, 1.0f, zValues[i][0]); // Top Right
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glVertex3f(1.0f, -1.0f, zValues[i][1]); // Bottom Right
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glVertex3f(-1.0f, -1.0f, zValues[i][1]); // Bottom Left
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glEnd();
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glFinish();
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error = _wrapper->clEnqueueAcquireGLObjects(cmdQueues_[_deviceId], 1, &clDepth_, 0, NULL, NULL);
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_wrapper->clSetKernelArg(kernel_, 0, sizeof(cl_mem), &clOutputBuffer_);
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_wrapper->clSetKernelArg(kernel_, 1, sizeof(cl_mem), &clDepth_);
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_wrapper->clSetKernelArg(kernel_, 2, sizeof(cl_sampler), &clSampler_);
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_wrapper->clEnqueueNDRangeKernel(cmdQueues_[_deviceId], kernel_, 2, NULL, dimSizes, NULL, 0,
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NULL, NULL);
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_wrapper->clEnqueueReleaseGLObjects(cmdQueues_[_deviceId], 1, &clDepth_, 0, NULL, NULL);
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_wrapper->clEnqueueReadBuffer(cmdQueues_[_deviceId], clOutputBuffer_, CL_TRUE, 0, bufferSize,
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pCLOutput_, 0, NULL, NULL);
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glReadPixels(0, 0, c_dimSize, c_dimSize, GL_DEPTH_COMPONENT, GL_FLOAT, pGLOutput_);
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// test that both resources are identical.
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if (0 == memcmp(pGLOutput_, pCLOutput_, bufferSize)) {
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retVal = true; // test successful
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} else {
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printf("expected results is different from actual results\n");
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dumpBuffer(pGLOutput_, "GLDepth.csv", c_dimSize);
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dumpBuffer(pCLOutput_, "clDepth_.csv", c_dimSize);
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}
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}
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return retVal;
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}
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unsigned int OCLGLDepthTex::close(void) {
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if (pGLOutput_) {
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free(pGLOutput_);
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pGLOutput_ = NULL;
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}
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if (pCLOutput_) {
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free(pCLOutput_);
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pCLOutput_ = NULL;
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}
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clReleaseMemObject(clDepth_);
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clReleaseMemObject(clOutputBuffer_);
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clReleaseSampler(clSampler_);
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// unbind the texture and frame buffer.
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glFramebufferTexture(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, 0, 0);
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glFramebufferTexture(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, 0, 0);
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glBindFramebuffer(GL_FRAMEBUFFER, 0);
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// clean gl resources
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glDeleteFramebuffers(1, &frameBufferOBJ_);
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frameBufferOBJ_ = 0;
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glDeleteTextures(1, &colorBuffer_);
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colorBuffer_ = 0;
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glDeleteTextures(1, &glDepthBuffer_);
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glDepthBuffer_ = 0;
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return OCLGLCommon::close();
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}
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