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android13/external/OpenCL-CTS/test_conformance/gles/test_fence_sync.cpp

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//
// Copyright (c) 2017 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 "gl_headers.h"
#include "testBase.h"
#include "setup.h"
#include "harness/genericThread.h"
#ifndef GLsync
// For OpenGL before 3.2, we look for the ARB_sync extension and try to use that
#if !defined(_WIN32)
#include <inttypes.h>
#endif // !_WIN32
typedef int64_t GLint64;
typedef uint64_t GLuint64;
typedef struct __GLsync *GLsync;
typedef GLsync (*glFenceSyncPtr)(GLenum condition,GLbitfield flags);
glFenceSyncPtr glFenceSyncFunc;
typedef bool (*glIsSyncPtr)(GLsync sync);
glIsSyncPtr glIsSyncFunc;
typedef void (*glDeleteSyncPtr)(GLsync sync);
glDeleteSyncPtr glDeleteSyncFunc;
typedef GLenum (*glClientWaitSyncPtr)(GLsync sync,GLbitfield flags,GLuint64 timeout);
glClientWaitSyncPtr glClientWaitSyncFunc;
typedef void (*glWaitSyncPtr)(GLsync sync,GLbitfield flags,GLuint64 timeout);
glWaitSyncPtr glWaitSyncFunc;
typedef void (*glGetInteger64vPtr)(GLenum pname, GLint64 *params);
glGetInteger64vPtr glGetInteger64vFunc;
typedef void (*glGetSyncivPtr)(GLsync sync,GLenum pname,GLsizei bufSize,GLsizei *length,
GLint *values);
glGetSyncivPtr glGetSyncivFunc;
#define CHK_GL_ERR() printf("%s\n", gluErrorString(glGetError()))
static void InitSyncFns( void )
{
glFenceSyncFunc = (glFenceSyncPtr)glutGetProcAddress( "glFenceSync" );
glIsSyncFunc = (glIsSyncPtr)glutGetProcAddress( "glIsSync" );
glDeleteSyncFunc = (glDeleteSyncPtr)glutGetProcAddress( "glDeleteSync" );
glClientWaitSyncFunc = (glClientWaitSyncPtr)glutGetProcAddress( "glClientWaitSync" );
glWaitSyncFunc = (glWaitSyncPtr)glutGetProcAddress( "glWaitSync" );
glGetInteger64vFunc = (glGetInteger64vPtr)glutGetProcAddress( "glGetInteger64v" );
glGetSyncivFunc = (glGetSyncivPtr)glutGetProcAddress( "glGetSynciv" );
}
#define GL_MAX_SERVER_WAIT_TIMEOUT 0x9111
#define GL_OBJECT_TYPE 0x9112
#define GL_SYNC_CONDITION 0x9113
#define GL_SYNC_STATUS 0x9114
#define GL_SYNC_FLAGS 0x9115
#define GL_SYNC_FENCE 0x9116
#define GL_SYNC_GPU_COMMANDS_COMPLETE 0x9117
#define GL_UNSIGNALED 0x9118
#define GL_SIGNALED 0x9119
#define GL_SYNC_FLUSH_COMMANDS_BIT 0x00000001
#define GL_TIMEOUT_IGNORED 0xFFFFFFFFFFFFFFFFull
#define GL_ALREADY_SIGNALED 0x911A
#define GL_TIMEOUT_EXPIRED 0x911B
#define GL_CONDITION_SATISFIED 0x911C
#define GL_WAIT_FAILED 0x911D
#define USING_ARB_sync 1
#endif
typedef cl_event (CL_API_CALL *clCreateEventFromGLsyncKHR_fn)( cl_context context, GLsync sync, cl_int *errCode_ret) ;
clCreateEventFromGLsyncKHR_fn clCreateEventFromGLsyncKHR_ptr;
static const char *updateBuffersKernel[] = {
"__kernel void update( __global float4 * vertices, __global float4 *colors, int horizWrap, int rowIdx )\n"
"{\n"
" size_t tid = get_global_id(0);\n"
"\n"
" size_t xVal = ( tid & ( horizWrap - 1 ) );\n"
" vertices[ tid * 2 + 0 ] = (float4)( xVal, rowIdx*16.f, 0.0f, 1.f );\n"
" vertices[ tid * 2 + 1 ] = (float4)( xVal, rowIdx*16.f + 4.0f, 0.0f, 1.f );\n"
"\n"
" int rowV = rowIdx + 1;\n"
" colors[ tid * 2 + 0 ] = (float4)( ( rowV & 1 ) / 255.f, ( ( rowV & 2 ) >> 1 ) / 255.f, ( ( rowV & 4 ) >> 2 ) / 255.f, 1.f );\n"
" //colors[ tid * 2 + 0 ] = (float4)( (float)xVal/(float)horizWrap, 1.0f, 1.0f, 1.0f );\n"
" colors[ tid * 2 + 1 ] = colors[ tid * 2 + 0 ];\n"
"}\n" };
//Passthrough VertexShader
static const char vertexshader[] =
"uniform mat4 projMatrix;\n"
"attribute vec4 inPosition;\n"
"attribute vec4 inColor;\n"
"varying vec4 outColor;\n"
"void main (void) {\n"
" gl_Position = projMatrix*inPosition;\n"
" outColor = inColor;\n"
"}\n";
//Passthrough FragmentShader
static const char fragmentshader[] =
"varying vec4 outColor;\n"
"void main (void) {\n"
" gl_FragColor = outColor;\n"
"}\n";
GLuint createShaderProgram(GLint *posLoc, GLint *colLoc)
{
GLint logLength, status;
GLuint program = glCreateProgram();
GLuint vpShader;
char* vpstr = (char*)malloc(sizeof(vertexshader));
strcpy(vpstr, vertexshader);
vpShader = glCreateShader(GL_VERTEX_SHADER);
glShaderSource(vpShader, 1, (const GLchar **)&vpstr, NULL);
glCompileShader(vpShader);
glGetShaderiv(vpShader, GL_INFO_LOG_LENGTH, &logLength);
if (logLength > 0) {
GLchar *log = (GLchar*) malloc(logLength);
glGetShaderInfoLog(vpShader, logLength, &logLength, log);
log_info("Vtx Shader compile log:\n%s", log);
free(log);
}
free(vpstr);
vpstr = NULL;
glGetShaderiv(vpShader, GL_COMPILE_STATUS, &status);
if (status == 0)
{
log_error("Failed to compile vtx shader:\n");
return 0;
}
glAttachShader(program, vpShader);
GLuint fpShader;
char *fpstr = (char *)malloc(sizeof(fragmentshader));
strcpy(fpstr, fragmentshader);
fpShader = glCreateShader(GL_FRAGMENT_SHADER);
glShaderSource(fpShader, 1, (const GLchar **)&fpstr, NULL);
glCompileShader(fpShader);
free(fpstr);
fpstr = NULL;
glGetShaderiv(fpShader, GL_INFO_LOG_LENGTH, &logLength);
if (logLength > 0) {
GLchar *log = (GLchar*)malloc(logLength);
glGetShaderInfoLog(fpShader, logLength, &logLength, log);
log_info("Frag Shader compile log:\n%s", log);
free(log);
}
glAttachShader(program, fpShader);
glGetShaderiv(fpShader, GL_COMPILE_STATUS, &status);
if (status == 0)
{
log_error("Failed to compile frag shader:\n\n");
return 0;
}
glLinkProgram(program);
glGetProgramiv(program, GL_INFO_LOG_LENGTH, &logLength);
if (logLength > 0) {
GLchar *log = (GLchar*)malloc(logLength);
glGetProgramInfoLog(program, logLength, &logLength, log);
log_info("Program link log:\n%s", log);
free(log);
}
glGetProgramiv(program, GL_LINK_STATUS, &status);
if (status == 0)
{
log_error("Failed to link program\n");
return 0;
}
glValidateProgram(program);
glGetProgramiv(program, GL_INFO_LOG_LENGTH, &logLength);
if (logLength > 0) {
GLchar *log = (GLchar*)malloc(logLength);
glGetProgramInfoLog(program, logLength, &logLength, log);
log_info("Program validate log:\n%s", log);
free(log);
}
glGetProgramiv(program, GL_VALIDATE_STATUS, &status);
if (status == 0)
{
log_error("Failed to validate program\n");
return 0;
}
*posLoc = glGetAttribLocation(program, "inPosition");
*colLoc = glGetAttribLocation(program, "inColor");
return program;
}
void destroyShaderProgram(GLuint program)
{
GLuint shaders[2];
GLsizei count;
glUseProgram(0);
glGetAttachedShaders(program, 2, &count, shaders);
int i;
for(i = 0; i < count; i++)
{
glDetachShader(program, shaders[i]);
glDeleteShader(shaders[i]);
}
glDeleteProgram(program);
}
// This function queues up and runs the above CL kernel that writes the vertex data
cl_int run_cl_kernel( cl_kernel kernel, cl_command_queue queue, cl_mem stream0, cl_mem stream1,
cl_int rowIdx, cl_event fenceEvent, size_t numThreads )
{
cl_int error = clSetKernelArg( kernel, 3, sizeof( rowIdx ), &rowIdx );
test_error( error, "Unable to set kernel arguments" );
clEventWrapper acqEvent1, acqEvent2, kernEvent, relEvent1, relEvent2;
int numEvents = ( fenceEvent != NULL ) ? 1 : 0;
cl_event *fence_evt = ( fenceEvent != NULL ) ? &fenceEvent : NULL;
error = (*clEnqueueAcquireGLObjects_ptr)( queue, 1, &stream0, numEvents, fence_evt, &acqEvent1 );
test_error( error, "Unable to acquire GL obejcts");
error = (*clEnqueueAcquireGLObjects_ptr)( queue, 1, &stream1, numEvents, fence_evt, &acqEvent2 );
test_error( error, "Unable to acquire GL obejcts");
cl_event evts[ 2 ] = { acqEvent1, acqEvent2 };
error = clEnqueueNDRangeKernel( queue, kernel, 1, NULL, &numThreads, NULL, 2, evts, &kernEvent );
test_error( error, "Unable to execute test kernel" );
error = (*clEnqueueReleaseGLObjects_ptr)( queue, 1, &stream0, 1, &kernEvent, &relEvent1 );
test_error(error, "clEnqueueReleaseGLObjects failed");
error = (*clEnqueueReleaseGLObjects_ptr)( queue, 1, &stream1, 1, &kernEvent, &relEvent2 );
test_error(error, "clEnqueueReleaseGLObjects failed");
evts[ 0 ] = relEvent1;
evts[ 1 ] = relEvent2;
error = clWaitForEvents( 2, evts );
test_error( error, "Unable to wait for release events" );
return 0;
}
class RunThread : public genericThread
{
public:
cl_kernel mKernel;
cl_command_queue mQueue;
cl_mem mStream0, mStream1;
cl_int mRowIdx;
cl_event mFenceEvent;
size_t mNumThreads;
RunThread( cl_kernel kernel, cl_command_queue queue, cl_mem stream0, cl_mem stream1, size_t numThreads )
: mKernel( kernel ), mQueue( queue ), mStream0( stream0 ), mStream1( stream1 ), mNumThreads( numThreads )
{
}
void SetRunData( cl_int rowIdx, cl_event fenceEvent )
{
mRowIdx = rowIdx;
mFenceEvent = fenceEvent;
}
virtual void * IRun( void )
{
cl_int error = run_cl_kernel( mKernel, mQueue, mStream0, mStream1, mRowIdx, mFenceEvent, mNumThreads );
return (void *)(intptr_t)error;
}
};
int test_fence_sync_single( cl_device_id device, cl_context context, cl_command_queue queue, bool separateThreads, GLint rend_vs, GLint read_vs, cl_device_id rend_device )
{
int error;
const int framebufferSize = 512;
cl_platform_id platform_id = NULL;
if( !is_extension_available( device, "cl_khr_gl_event" ) )
{
log_info( "NOTE: cl_khr_gl_event extension not present on this device; skipping fence sync test\n" );
return 0;
}
error = clGetDeviceInfo(device,
CL_DEVICE_PLATFORM,
sizeof(platform_id),
&platform_id,
NULL);
if(error)
{
return error;
}
clCreateEventFromGLsyncKHR_ptr = \
(clCreateEventFromGLsyncKHR_fn)clGetExtensionFunctionAddressForPlatform(platform_id,"clCreateEventFromGLsyncKHR");
if( clCreateEventFromGLsyncKHR_ptr == NULL )
{
log_error( "ERROR: Unable to run fence_sync test (clCreateEventFromGLsyncKHR function not discovered!)\n" );
clCreateEventFromGLsyncKHR_ptr = \
(clCreateEventFromGLsyncKHR_fn)clGetExtensionFunctionAddressForPlatform(platform_id, "clCreateEventFromGLsyncAPPLE");
return -1;
}
#ifdef USING_ARB_sync
char *gl_version_str = (char*)glGetString( GL_VERSION );
float glCoreVersion;
sscanf(gl_version_str, "%f", &glCoreVersion);
if( glCoreVersion < 3.0f )
{
log_info( "OpenGL version %f does not support fence/sync! Skipping test.\n", glCoreVersion );
return 0;
}
#ifdef __APPLE__
CGLContextObj currCtx = CGLGetCurrentContext();
CGLPixelFormatObj pixFmt = CGLGetPixelFormat(currCtx);
GLint val, screen;
CGLGetVirtualScreen(currCtx, &screen);
CGLDescribePixelFormat(pixFmt, screen, kCGLPFAOpenGLProfile, &val);
if(val != kCGLOGLPVersion_3_2_Core)
{
log_error( "OpenGL context was not created with OpenGL version >= 3.0 profile even though platform supports it"
"OpenGL profile %f does not support fence/sync! Skipping test.\n", glCoreVersion );
return -1;
}
#else
// Need platform specific way to query if current GL context was created with 3.x profile
log_error( "ERROR: not implemented\n\n" );
return -1;
#endif
InitSyncFns();
#endif
#ifdef __APPLE__
CGLSetVirtualScreen(CGLGetCurrentContext(), rend_vs);
#else
// Need platform specific way to set device with id rend_vs the current
// rendering target
log_error( "ERROR: not implemented\n\n" );
return -1;
#endif
GLint posLoc, colLoc;
GLuint shaderprogram = createShaderProgram(&posLoc, &colLoc);
if(!shaderprogram)
{
log_error("Failed to create shader program\n");
return -1;
}
float l = 0.0f; float r = framebufferSize;
float b = 0.0f; float t = framebufferSize;
float projMatrix[16] = { 2.0f/(r-l), 0.0f, 0.0f, 0.0f,
0.0f, 2.0f/(t-b), 0.0f, 0.0f,
0.0f, 0.0f, -1.0f, 0.0f,
-(r+l)/(r-l), -(t+b)/(t-b), 0.0f, 1.0f
};
glUseProgram(shaderprogram);
GLuint projMatLoc = glGetUniformLocation(shaderprogram, "projMatrix");
glUniformMatrix4fv(projMatLoc, 1, 0, projMatrix);
glUseProgram(0);
// Note: the framebuffer is just the target to verify our results against, so we don't
// really care to go through all the possible formats in this case
glFramebufferWrapper glFramebuffer;
glRenderbufferWrapper glRenderbuffer;
error = CreateGLRenderbufferRaw( framebufferSize, 128, GL_COLOR_ATTACHMENT0_EXT,
GL_RGBA, GL_UNSIGNED_BYTE,
&glFramebuffer, &glRenderbuffer );
if( error != 0 )
return error;
// GLuint vao;
// glGenVertexArrays(1, &vao);
// glBindVertexArray(vao);
glBufferWrapper vtxBuffer, colorBuffer;
glGenBuffers( 1, &vtxBuffer );
glGenBuffers( 1, &colorBuffer );
const int numHorizVertices = ( framebufferSize * 64 ) + 1;
glBindBuffer( GL_ARRAY_BUFFER, vtxBuffer );
glBufferData( GL_ARRAY_BUFFER, sizeof( GLfloat ) * numHorizVertices * 2 * 4, NULL, GL_STATIC_DRAW );
glBindBuffer( GL_ARRAY_BUFFER, colorBuffer );
glBufferData( GL_ARRAY_BUFFER, sizeof( GLfloat ) * numHorizVertices * 2 * 4, NULL, GL_STATIC_DRAW );
clProgramWrapper program;
clKernelWrapper kernel;
clMemWrapper streams[ 2 ];
if( create_single_kernel_helper( context, &program, &kernel, 1, updateBuffersKernel, "update" ) )
return -1;
streams[ 0 ] = (*clCreateFromGLBuffer_ptr)( context, CL_MEM_READ_WRITE, vtxBuffer, &error );
test_error( error, "Unable to create CL buffer from GL vertex buffer" );
streams[ 1 ] = (*clCreateFromGLBuffer_ptr)( context, CL_MEM_READ_WRITE, colorBuffer, &error );
test_error( error, "Unable to create CL buffer from GL color buffer" );
error = clSetKernelArg( kernel, 0, sizeof( streams[ 0 ] ), &streams[ 0 ] );
test_error( error, "Unable to set kernel arguments" );
error = clSetKernelArg( kernel, 1, sizeof( streams[ 1 ] ), &streams[ 1 ] );
test_error( error, "Unable to set kernel arguments" );
cl_int horizWrap = (cl_int)framebufferSize;
error = clSetKernelArg( kernel, 2, sizeof( horizWrap ), &horizWrap );
test_error( error, "Unable to set kernel arguments" );
glViewport( 0, 0, framebufferSize, framebufferSize );
glClearColor( 0, 0, 0, 0 );
glClear( GL_COLOR_BUFFER_BIT );
glClear( GL_DEPTH_BUFFER_BIT );
glDisable( GL_DEPTH_TEST );
glEnable( GL_BLEND );
glBlendFunc( GL_ONE, GL_ONE );
clEventWrapper fenceEvent;
GLsync glFence = 0;
// Do a loop through 8 different horizontal stripes against the framebuffer
RunThread thread( kernel, queue, streams[ 0 ], streams[ 1 ], (size_t)numHorizVertices );
for( int i = 0; i < 8; i++ )
{
// if current rendering device is not the compute device and
// separateThreads == false which means compute is going on same
// thread and we are using implicit synchronization (no GLSync obj used)
// then glFlush by clEnqueueAcquireGLObject is not sufficient ... we need
// to wait for rendering to finish on other device before CL can start
// writing to CL/GL shared mem objects. When separateThreads is true i.e.
// we are using GLSync obj to synchronize then we dont need to call glFinish
// here since CL should wait for rendering on other device before this
// GLSync object to finish before it starts writing to shared mem object.
// Also rend_device == compute_device no need to call glFinish
if(rend_device != device && !separateThreads)
glFinish();
if( separateThreads )
{
thread.SetRunData( (cl_int)i, fenceEvent );
thread.Start();
error = (cl_int)(size_t)thread.Join();
}
else
{
error = run_cl_kernel( kernel, queue, streams[ 0 ], streams[ 1 ], (cl_int)i, fenceEvent, (size_t)numHorizVertices );
}
test_error( error, "Unable to run CL kernel" );
glUseProgram(shaderprogram);
glEnableVertexAttribArray(posLoc);
glEnableVertexAttribArray(colLoc);
glBindBuffer( GL_ARRAY_BUFFER, vtxBuffer );
glVertexAttribPointer(posLoc, 4, GL_FLOAT, GL_FALSE, 4*sizeof(GLfloat), 0);
glBindBuffer( GL_ARRAY_BUFFER, colorBuffer );
glVertexAttribPointer(colLoc, 4, GL_FLOAT, GL_FALSE, 4*sizeof(GLfloat), 0);
glBindBuffer( GL_ARRAY_BUFFER, 0 );
glDrawArrays( GL_TRIANGLE_STRIP, 0, numHorizVertices * 2 );
glDisableVertexAttribArray(posLoc);
glDisableVertexAttribArray(colLoc);
glUseProgram(0);
if( separateThreads )
{
// If we're on the same thread, then we're testing implicit syncing, so we
// don't need the actual fence code
if( fenceEvent != NULL )
{
clReleaseEvent( fenceEvent );
glDeleteSyncFunc( glFence );
}
glFence = glFenceSyncFunc( GL_SYNC_GPU_COMMANDS_COMPLETE, 0 );
fenceEvent = clCreateEventFromGLsyncKHR_ptr( context, glFence, &error );
test_error( error, "Unable to create CL event from GL fence" );
// in case of explicit synchronization, we just wait for the sync object to complete
// in clEnqueueAcquireGLObject but we dont flush. Its application's responsibility
// to flush on the context on which glSync is created
glFlush();
}
}
if( glFence != 0 )
// Don't need the final release for fenceEvent, because the wrapper will take care of that
glDeleteSyncFunc( glFence );
#ifdef __APPLE__
CGLSetVirtualScreen(CGLGetCurrentContext(), read_vs);
#else
// Need platform specific code to set the current rendering device (OpenGL target)
// to device with id read_vs so that next glReadPixels get submitted to that device
log_error( "ERROR: not implemented\n\n" );
return -1;
#endif
// Grab the contents of the final framebuffer
BufferOwningPtr<char> resultData( ReadGLRenderbuffer( glFramebuffer, glRenderbuffer,
GL_COLOR_ATTACHMENT0_EXT,
GL_RGBA8_OES, GL_UNSIGNED_BYTE, GL_RGBA, GL_UNSIGNED_BYTE, kUChar,
framebufferSize, 128 ) );
// Check the contents now. We should end up with solid color bands 32 pixels high and the
// full width of the framebuffer, at values (128,128,128) due to the additive blending
for( int i = 0; i < 8; i++ )
{
for( int y = 0; y < 4; y++ )
{
// Note: coverage will be double because the 63-0 triangle overwrites again at the end of the pass
cl_uchar valA = ( ( ( i + 1 ) & 1 ) ) * numHorizVertices * 2 / framebufferSize;
cl_uchar valB = ( ( ( i + 1 ) & 2 ) >> 1 ) * numHorizVertices * 2 / framebufferSize;
cl_uchar valC = ( ( ( i + 1 ) & 4 ) >> 2 ) * numHorizVertices * 2 / framebufferSize;
cl_uchar *row = (cl_uchar *)&resultData[ ( i * 16 + y ) * framebufferSize * 4 ];
for( int x = 0; x < ( framebufferSize - 1 ) - 1; x++ )
{
if( ( row[ x * 4 ] != valA ) || ( row[ x * 4 + 1 ] != valB ) ||
( row[ x * 4 + 2 ] != valC ) )
{
log_error( "ERROR: Output framebuffer did not validate!\n" );
DumpGLBuffer( GL_UNSIGNED_BYTE, framebufferSize, 128, resultData );
log_error( "RUNS:\n" );
uint32_t *p = (uint32_t *)(char *)resultData;
size_t a = 0;
for( size_t t = 1; t < framebufferSize * framebufferSize; t++ )
{
if( p[ a ] != 0 )
{
if( p[ t ] == 0 )
{
log_error( "RUN: %ld to %ld (%d,%d to %d,%d) 0x%08x\n", a, t - 1,
(int)( a % framebufferSize ), (int)( a / framebufferSize ),
(int)( ( t - 1 ) % framebufferSize ), (int)( ( t - 1 ) / framebufferSize ),
p[ a ] );
a = t;
}
}
else
{
if( p[ t ] != 0 )
{
a = t;
}
}
}
return -1;
}
}
}
}
glDeleteBuffers( 1, &vtxBuffer );
glDeleteBuffers( 1, &colorBuffer );
destroyShaderProgram(shaderprogram);
// glDeleteVertexArrays(1, &vao);
return 0;
}
int test_fence_sync( cl_device_id device, cl_context context, cl_command_queue queue, int numElements )
{
GLint vs_count = 0;
cl_device_id *device_list = NULL;
if( !is_extension_available( device, "cl_khr_gl_event" ) )
{
log_info( "NOTE: cl_khr_gl_event extension not present on this device; skipping fence sync test\n" );
return 0;
}
#ifdef __APPLE__
CGLContextObj ctx = CGLGetCurrentContext();
CGLPixelFormatObj pix = CGLGetPixelFormat(ctx);
CGLError err = CGLDescribePixelFormat(pix, 0, kCGLPFAVirtualScreenCount, &vs_count);
device_list = (cl_device_id *) malloc(sizeof(cl_device_id)*vs_count);
clGetGLContextInfoAPPLE(context, ctx, CL_CGL_DEVICES_FOR_SUPPORTED_VIRTUAL_SCREENS_APPLE, sizeof(cl_device_id)*vs_count, device_list, NULL);
#else
// Need platform specific way of getting devices from CL context to which OpenGL can render
// If not available it can be replaced with clGetContextInfo with CL_CONTEXT_DEVICES
log_error( "ERROR: not implemented\n\n" );
return -1;
#endif
GLint rend_vs, read_vs;
int error = 0;
int any_failed = 0;
// Loop through all the devices capable to OpenGL rendering
// and set them as current rendering target
for(rend_vs = 0; rend_vs < vs_count; rend_vs++)
{
// Loop through all the devices and set them as current
// compute target
for(read_vs = 0; read_vs < vs_count; read_vs++)
{
cl_device_id rend_device = device_list[rend_vs], read_device = device_list[read_vs];
char rend_name[200], read_name[200];
clGetDeviceInfo(rend_device, CL_DEVICE_NAME, sizeof(rend_name), rend_name, NULL);
clGetDeviceInfo(read_device, CL_DEVICE_NAME, sizeof(read_name), read_name, NULL);
log_info("Rendering on: %s, read back on: %s\n", rend_name, read_name);
error = test_fence_sync_single( device, context, queue, false, rend_vs, read_vs, rend_device );
any_failed |= error;
if( error != 0 )
log_error( "ERROR: Implicit syncing with GL sync events failed!\n\n" );
else
log_info("Implicit syncing Passed\n");
error = test_fence_sync_single( device, context, queue, true, rend_vs, read_vs, rend_device );
any_failed |= error;
if( error != 0 )
log_error( "ERROR: Explicit syncing with GL sync events failed!\n\n" );
else
log_info("Explicit syncing Passed\n");
}
}
free(device_list);
return any_failed;
}
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