Added comparability verification for GL associated devices query (#2231)

Fixes #1485 according to work plan from issue description.

test_common/gl/setup.h

@@ -13,12 +13,13 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 //
-#ifndef _setup_h
+#ifndef _gl_setup_h
-#define _setup_h
+#define _gl_setup_h
 
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <vector>
 #include "gl_headers.h"
 #ifdef __APPLE__
 #include <OpenCL/opencl.h>
@@ -41,8 +42,6 @@ class GLEnvironment
         virtual int SupportsCLGLInterop( cl_device_type device_type) = 0;
 
         static GLEnvironment *Instance(void);
-
-
 };
 
-#endif // _setup_h
+#endif // _gl_setup_h

test_common/gl/setup_osx.cpp

@@ -1,5 +1,5 @@
 //
-// Copyright (c) 2017 The Khronos Group Inc.
+// Copyright (c) 2024 The Khronos Group Inc.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -25,13 +25,16 @@ private:
 public:
     OSXGLEnvironment()
     {
-        mCGLContext = NULL;
         mIsGlutInit = false;
+        mCGLContext = NULL;
+        mShareGroup = NULL;
+        mPlatform = NULL;
     }
 
-  virtual int Init( int *argc, char **argv, int use_opengl_32 )
+    int Init(int *argc, char **argv, int use_opengl_32) override
+    {
+        if (!use_opengl_32)
         {
-      if (!use_opengl_32) {
             if (!mIsGlutInit)
             {
                 // Create a GLUT window to render into
@@ -43,10 +46,12 @@ public:
             }
         }
 
-      else {
+        else
+        {
 
             CGLPixelFormatAttribute attribs[] = {
-          kCGLPFAOpenGLProfile, (CGLPixelFormatAttribute)kCGLOGLPVersion_3_2_Core,
+                kCGLPFAOpenGLProfile,
+                (CGLPixelFormatAttribute)kCGLOGLPVersion_3_2_Core,
                 kCGLPFAAllowOfflineRenderers,
                 kCGLPFANoRecovery,
                 kCGLPFAAccelerated,
@@ -75,15 +80,19 @@ public:
         return 0;
     }
 
-        virtual cl_context CreateCLContext( void )
+    cl_context CreateCLContext(void) override
     {
       int error;
 
       if( mCGLContext == NULL )
         mCGLContext = CGLGetCurrentContext();
 
-      CGLShareGroupObj share_group = CGLGetShareGroup(mCGLContext);
+      mShareGroup = CGLGetShareGroup(mCGLContext);
-      cl_context_properties properties[] = { CL_CONTEXT_PROPERTY_USE_CGL_SHAREGROUP_APPLE, (cl_context_properties)share_group, 0 };
+      cl_context_properties properties[] = {
+          CL_CONTEXT_PLATFORM, (cl_context_properties)mPlatform,
+          CL_CONTEXT_PROPERTY_USE_CGL_SHAREGROUP_APPLE,
+          (cl_context_properties)mShareGroup, 0
+      };
       cl_context context = clCreateContext(properties, 0, 0, 0, 0, &error);
       if (error) {
         print_error(error, "clCreateContext failed");
@@ -108,16 +117,24 @@ public:
       return context;
     }
 
-    virtual int SupportsCLGLInterop( cl_device_type device_type )
+    int SupportsCLGLInterop(cl_device_type device_type) override
     {
       int found_valid_device = 0;
       cl_device_id devices[64];
       cl_uint num_of_devices;
       int error;
-      error = clGetDeviceIDs(NULL, device_type, 64, devices, &num_of_devices);
+      error = clGetPlatformIDs(1, &mPlatform, NULL);
+      if (error)
+      {
+          print_error(error, "clGetPlatformIDs failed");
+          return 0;
+      }
+
+      error =
+          clGetDeviceIDs(mPlatform, device_type, 64, devices, &num_of_devices);
       if (error) {
         print_error(error, "clGetDeviceIDs failed");
-        return -1;
+        return 0;
       }
 
       for (int i=0; i<(int)num_of_devices; i++) {
@@ -131,13 +148,11 @@ public:
             return found_valid_device;
     }
 
-        virtual ~OSXGLEnvironment()
+    virtual ~OSXGLEnvironment() { CGLDestroyContext(mCGLContext); }
-        {
-            CGLDestroyContext( mCGLContext );
-        }
 
     CGLContextObj mCGLContext;
-
+    CGLShareGroupObj mShareGroup;
+    cl_platform_id mPlatform;
 };
 
 GLEnvironment * GLEnvironment::Instance( void )

test_common/gl/setup_win32.cpp

@@ -1,5 +1,5 @@
 //
-// Copyright (c) 2017 The Khronos Group Inc.
+// Copyright (c) 2024 The Khronos Group Inc.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -42,14 +42,19 @@ private:
     cl_platform_id m_platform;
     bool m_is_glut_init;
 
+    HGLRC m_hGLRC;
+    HDC m_hDC;
+
 public:
     WGLEnvironment()
     {
         m_device_count = 0;
         m_platform = 0;
         m_is_glut_init = false;
+        m_hGLRC = 0;
+        m_hDC = 0;
     }
-    virtual int Init( int *argc, char **argv, int use_opengl_32 )
+    int Init(int *argc, char **argv, int use_opengl_32) override
     {
         if (!m_is_glut_init)
         {
@@ -64,21 +69,25 @@ public:
         return 0;
     }
 
-    virtual cl_context CreateCLContext( void )
+    cl_context CreateCLContext(void) override
     {
-        HGLRC hGLRC = wglGetCurrentContext();
+        m_hGLRC = wglGetCurrentContext();
-        HDC hDC = wglGetCurrentDC();
+        m_hDC = wglGetCurrentDC();
         cl_context_properties properties[] = {
-            CL_CONTEXT_PLATFORM, (cl_context_properties) m_platform,
+            CL_CONTEXT_PLATFORM,
-            CL_GL_CONTEXT_KHR,   (cl_context_properties) hGLRC,
+            (cl_context_properties)m_platform,
-            CL_WGL_HDC_KHR,      (cl_context_properties) hDC,
+            CL_GL_CONTEXT_KHR,
+            (cl_context_properties)m_hGLRC,
+            CL_WGL_HDC_KHR,
+            (cl_context_properties)m_hDC,
             0
         };
         cl_device_id devices[MAX_DEVICES];
         size_t dev_size;
         cl_int status;
 
-        if (!hGLRC || !hDC) {
+        if (!m_hGLRC || !m_hDC)
+        {
             print_error(CL_INVALID_CONTEXT, "No GL context bound");
             return 0;
         }
@@ -155,7 +164,7 @@ public:
         return clCreateContext(properties, 1, &ctxDevice, NULL, NULL, &status);
     }
 
-    virtual int SupportsCLGLInterop( cl_device_type device_type )
+    int SupportsCLGLInterop(cl_device_type device_type) override
     {
         cl_device_id devices[MAX_DEVICES];
         cl_uint num_of_devices;

test_common/gl/setup_x11.cpp

@@ -28,13 +28,21 @@ private:
     cl_uint m_device_count;
     bool m_glut_init;
 
+    cl_platform_id m_platform;
+    GLXContext m_context;
+    Display *m_dpy;
+
 public:
     X11GLEnvironment()
     {
         m_device_count = 0;
         m_glut_init = false;
+        m_platform = 0;
+        m_context = 0;
+        m_dpy = nullptr;
     }
-    virtual int Init( int *argc, char **argv, int use_opencl_32 )
+
+    int Init(int *argc, char **argv, int use_opencl_32) override
     {
          // Create a GLUT window to render into
          if (!m_glut_init)
@@ -49,19 +57,24 @@ public:
         return 0;
     }
 
-    virtual cl_context CreateCLContext( void )
+    cl_context CreateCLContext(void) override
     {
-        GLXContext context = glXGetCurrentContext();
+        m_context = glXGetCurrentContext();
-        Display *dpy = glXGetCurrentDisplay();
+        m_dpy = glXGetCurrentDisplay();
 
         cl_context_properties properties[] = {
-            CL_GL_CONTEXT_KHR,  (cl_context_properties) context,
+            CL_CONTEXT_PLATFORM,
-            CL_GLX_DISPLAY_KHR, (cl_context_properties) dpy,
+            (cl_context_properties)m_platform,
+            CL_GL_CONTEXT_KHR,
+            (cl_context_properties)m_context,
+            CL_GLX_DISPLAY_KHR,
+            (cl_context_properties)m_dpy,
             0
         };
         cl_int status;
 
-        if (!context || !dpy) {
+        if (!m_context || !m_dpy)
+        {
             print_error(CL_INVALID_CONTEXT, "No GL context bound");
             return 0;
         }
@@ -69,19 +82,19 @@ public:
         return clCreateContext(properties, 1, m_devices, NULL, NULL, &status);
     }
 
-    virtual int SupportsCLGLInterop( cl_device_type device_type )
+    int SupportsCLGLInterop(cl_device_type device_type) override
     {
         int found_valid_device = 0;
-        cl_platform_id platform;
         cl_device_id devices[64];
         cl_uint num_of_devices;
         int error;
-        error = clGetPlatformIDs(1, &platform, NULL);
+        error = clGetPlatformIDs(1, &m_platform, NULL);
         if (error) {
             print_error(error, "clGetPlatformIDs failed");
             return -1;
         }
-        error = clGetDeviceIDs(platform, device_type, 64, devices, &num_of_devices);
+        error = clGetDeviceIDs(m_platform, device_type, 64, devices,
+                               &num_of_devices);
         // If this platform doesn't have any of the requested device_type (namely GPUs) then return 0
         if (error == CL_DEVICE_NOT_FOUND)
           return 0;

test_conformance/gl/CMakeLists.txt

@@ -29,6 +29,7 @@ set (${MODULE_NAME}_SOURCES
     test_renderbuffer.cpp
     test_renderbuffer_info.cpp
     test_fence_sync.cpp
+    test_queries.cpp
     helpers.cpp
     ../../test_common/gl/helpers.cpp
     )

test_conformance/gl/main.cpp

@@ -1,5 +1,5 @@
 //
-// Copyright (c) 2017 The Khronos Group Inc.
+// Copyright (c) 2024 The Khronos Group Inc.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -103,6 +103,8 @@ TEST_FN_REDIRECTOR(renderbuffer_getinfo)
 
 TEST_FN_REDIRECTOR(fence_sync)
 
+TEST_FN_REDIRECTOR(queries)
+
 test_definition test_list[] = { TEST_FN_REDIRECT(buffers),
                                 TEST_FN_REDIRECT(buffers_getinfo),
 
@@ -132,7 +134,9 @@ test_definition test_list[] = { TEST_FN_REDIRECT(buffers),
 
                                 TEST_FN_REDIRECT(renderbuffer_read),
                                 TEST_FN_REDIRECT(renderbuffer_write),
-                                TEST_FN_REDIRECT(renderbuffer_getinfo) };
+                                TEST_FN_REDIRECT(renderbuffer_getinfo),
+
+                                TEST_FN_REDIRECT(queries) };
 
 test_definition test_list32[] = {
     TEST_FN_REDIRECT(images_read_texturebuffer),

test_conformance/gl/procs.h

@@ -1,5 +1,5 @@
 //
-// Copyright (c) 2017 The Khronos Group Inc.
+// Copyright (c) 2024 The Khronos Group Inc.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -151,3 +151,5 @@ extern int test_image_methods_multisample(cl_device_id device,
 
 extern int test_renderbuffer_getinfo(cl_device_id device, cl_context context,
                                      cl_command_queue queue, int numElements);
+extern int test_queries(cl_device_id device, cl_context context,
+                        cl_command_queue queue, int);

test_conformance/gl/test_queries.cpp

@@ -0,0 +1,150 @@
+//
+// Copyright (c) 2024 The Khronos Group Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+#include "common.h"
+#include "testBase.h"
+#include "gl/setup.h"
+
+namespace {
+
+struct FindDeviceFunctor
+{
+    FindDeviceFunctor()
+    {
+        if (init()) throw std::runtime_error("FindDeviceFunctor failed");
+    }
+
+    cl_int init()
+    {
+        cl_uint num_platforms = 0;
+        cl_int error = clGetPlatformIDs(0, nullptr, &num_platforms);
+        test_error(error, "clGetPlatformIDs failed");
+
+        platforms.resize(num_platforms);
+
+        error =
+            clGetPlatformIDs(num_platforms, platforms.data(), &num_platforms);
+        test_error(error, "clGetPlatformIDs failed");
+
+        return CL_SUCCESS;
+    }
+
+    bool find(const cl_device_id id)
+    {
+        cl_uint num_devices = 0;
+        for (size_t p = 0; p < platforms.size(); p++)
+        {
+            cl_int error = clGetDeviceIDs(platforms[p], CL_DEVICE_TYPE_ALL, 0,
+                                          nullptr, &num_devices);
+            test_error(error, "clGetDeviceIDs failed");
+
+            std::vector<cl_device_id> devices(num_devices);
+            error = clGetDeviceIDs(platforms[p], CL_DEVICE_TYPE_ALL,
+                                   num_devices, devices.data(), nullptr);
+            test_error(error, "clGetDeviceIDs failed");
+
+            for (auto did : devices)
+                if (did == id) return false;
+        }
+        return true;
+    }
+    std::vector<cl_platform_id> platforms;
+};
+
+} // anonymous namespace
+
+int test_queries(cl_device_id device, cl_context context,
+                 cl_command_queue queue, int)
+{
+    // get a platform associated with device id
+    cl_platform_id platform;
+    cl_int error = clGetDeviceInfo(device, CL_DEVICE_PLATFORM,
+                                   sizeof(cl_platform_id), &platform, NULL);
+    test_error(error, "clGetDeviceInfo for CL_DEVICE_PLATFORM failed");
+
+    size_t returned_size = 0;
+    error = clGetContextInfo(context, CL_CONTEXT_PROPERTIES, 0, nullptr,
+                             &returned_size);
+    test_error(error, "clGetContextInfo failed");
+
+    std::vector<cl_context_properties> props(
+        returned_size / sizeof(cl_context_properties), 0);
+
+    error = clGetContextInfo(context, CL_CONTEXT_PROPERTIES,
+                             sizeof(cl_context_properties) * props.size(),
+                             props.data(), nullptr);
+    test_error(error, "clGetContextInfo failed");
+
+    // get GL context info function pointer
+    size_t dev_size = 0;
+    clGetGLContextInfoKHR_fn clGetGLContextInfoKHR =
+        (clGetGLContextInfoKHR_fn)clGetExtensionFunctionAddressForPlatform(
+            platform, "clGetGLContextInfoKHR");
+
+    test_assert_error(clGetGLContextInfoKHR != NULL,
+                      "unable to get the function pointer for "
+                      "clGetGLContextInfoKHR\n");
+
+    // get the size of all GL interop capable devices
+    error = clGetGLContextInfoKHR(props.data(), CL_DEVICES_FOR_GL_CONTEXT_KHR,
+                                  0, nullptr, &dev_size);
+    test_error(error,
+               "clGetGLContextInfoKHR(CL_DEVICES_FOR_GL_CONTEXT_KHR) failed");
+
+    dev_size /= sizeof(cl_device_id);
+    log_info("GL _context supports %zu compute devices\n", dev_size);
+
+
+    // get all GL interop capable devices
+    std::vector<cl_device_id> devices(dev_size, 0);
+    error = clGetGLContextInfoKHR(props.data(), CL_DEVICES_FOR_GL_CONTEXT_KHR,
+                                  devices.size() * sizeof(cl_device_id),
+                                  devices.data(), &dev_size);
+    test_error(error,
+               "clGetGLContextInfoKHR(CL_DEVICES_FOR_GL_CONTEXT_KHR) failed");
+    if (devices.size() != dev_size / sizeof(cl_device_id))
+    {
+        log_error("unexpected clGetGLContextInfoKHR result");
+        return TEST_FAIL;
+    }
+
+    // comparability test for CL_DEVICES_FOR_GL_CONTEXT_KHR
+    FindDeviceFunctor fdf;
+    for (auto &did : devices)
+        if (fdf.find(did) != 0) return TEST_FAIL;
+
+    // get current device associated with GL environment
+    error = clGetGLContextInfoKHR(
+        props.data(), CL_CURRENT_DEVICE_FOR_GL_CONTEXT_KHR,
+        devices.size() * sizeof(cl_device_id), devices.data(), &dev_size);
+    test_error(
+        error,
+        "clGetGLContextInfoKHR(CL_CURRENT_DEVICE_FOR_GL_CONTEXT_KHR) failed");
+
+    // verify if CL_CURRENT_DEVICE_FOR_GL_CONTEXT_KHR query result with only one
+    // device
+    if (dev_size != sizeof(cl_device_id))
+    {
+        log_info("GL _context current device is not a CL device.\n");
+        return TEST_FAIL;
+    }
+
+    // comparability test for CL_CURRENT_DEVICE_FOR_GL_CONTEXT_KHR
+    test_assert_error(device == devices[0],
+                      "Unexpected result returned by clGetGLContextInfo for "
+                      "CL_CURRENT_DEVICE_FOR_GL_CONTEXT_KHR query");
+
+    return TEST_PASS;
+}