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rk35xx-android14/external/OpenCL-CTS/test_conformance/gl/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 "testBase.h"
#include "gl/setup.h"
#include "harness/genericThread.h"
#if defined(__APPLE__)
#include <OpenGL/glu.h>
#else
#include <GL/glu.h>
#include <CL/cl_gl.h>
#if !defined(_WIN32) && !defined(__ANDROID__)
#include <GL/glx.h>
#endif
#endif
#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;
#ifndef APIENTRY
#define APIENTRY
#endif
typedef GLsync(APIENTRY *glFenceSyncPtr)(GLenum condition, GLbitfield flags);
glFenceSyncPtr glFenceSyncFunc;
typedef bool(APIENTRY *glIsSyncPtr)(GLsync sync);
glIsSyncPtr glIsSyncFunc;
typedef void(APIENTRY *glDeleteSyncPtr)(GLsync sync);
glDeleteSyncPtr glDeleteSyncFunc;
typedef GLenum(APIENTRY *glClientWaitSyncPtr)(GLsync sync, GLbitfield flags,
GLuint64 timeout);
glClientWaitSyncPtr glClientWaitSyncFunc;
typedef void(APIENTRY *glWaitSyncPtr)(GLsync sync, GLbitfield flags,
GLuint64 timeout);
glWaitSyncPtr glWaitSyncFunc;
typedef void(APIENTRY *glGetInteger64vPtr)(GLenum pname, GLint64 *params);
glGetInteger64vPtr glGetInteger64vFunc;
typedef void(APIENTRY *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");
}
#ifndef GL_ARB_sync
#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
#endif
#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 = "#version 150\n"
"uniform mat4 projMatrix;\n"
"in vec4 inPosition;\n"
"in vec4 inColor;\n"
"out vec4 vertColor;\n"
"void main (void) {\n"
" gl_Position = projMatrix*inPosition;\n"
" vertColor = inColor;\n"
"}\n";
// Passthrough FragmentShader
static const char *fragmentshader = "#version 150\n"
"in vec4 vertColor;\n"
"out vec4 outColor;\n"
"void main (void) {\n"
" outColor = vertColor;\n"
"}\n";
GLuint createShaderProgram(GLint *posLoc, GLint *colLoc)
{
GLint logLength, status;
GLuint program = glCreateProgram();
GLuint vpShader;
vpShader = glCreateShader(GL_VERTEX_SHADER);
glShaderSource(vpShader, 1, (const GLchar **)&vertexshader, 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);
}
glGetShaderiv(vpShader, GL_COMPILE_STATUS, &status);
if (status == 0)
{
log_error("Failed to compile vtx shader:\n");
return 0;
}
glAttachShader(program, vpShader);
GLuint fpShader;
fpShader = glCreateShader(GL_FRAGMENT_SHADER);
glShaderSource(fpShader, 1, (const GLchar **)&fragmentshader, NULL);
glCompileShader(fpShader);
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;
}
*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 *)(uintptr_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;
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;
}
// Ask OpenCL for the platforms. Warn if more than one platform found,
// since this might not be the platform we want. By default, we simply
// use the first returned platform.
cl_uint nplatforms;
cl_platform_id platform;
clGetPlatformIDs(0, NULL, &nplatforms);
clGetPlatformIDs(1, &platform, NULL);
if (nplatforms > 1)
{
log_info("clGetPlatformIDs returned multiple values. This is not "
"an error, but might result in obtaining incorrect function "
"pointers if you do not want the first returned platform.\n");
// Show them the platform name, in case it is a problem.
size_t size;
char *name;
clGetPlatformInfo(platform, CL_PLATFORM_NAME, 0, NULL, &size);
name = (char *)malloc(size);
clGetPlatformInfo(platform, CL_PLATFORM_NAME, size, name, NULL);
log_info("Using platform with name: %s \n", name);
free(name);
}
clCreateEventFromGLsyncKHR_ptr =
(clCreateEventFromGLsyncKHR_fn)clGetExtensionFunctionAddressForPlatform(
platform, "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, "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
#ifdef _WIN32
HDC hdc = wglGetCurrentDC();
HGLRC hglrc = wglGetCurrentContext();
#else
Display *dpy = glXGetCurrentDisplay();
GLXDrawable drawable = glXGetCurrentDrawable();
GLXContext ctx = glXGetCurrentContext();
#endif
#endif
InitSyncFns();
#endif
#ifdef __APPLE__
CGLSetVirtualScreen(CGLGetCurrentContext(), rend_vs);
#else
#ifdef _WIN32
wglMakeCurrent(hdc, hglrc);
#else
glXMakeCurrent(dpy, drawable, ctx);
#endif
#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_RGBA,
GL_UNSIGNED_INT_8_8_8_8_REV, &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);
// Now that the requisite objects are bound, we can attempt program
// validation:
glValidateProgram(shaderprogram);
GLint logLength, status;
glGetProgramiv(shaderprogram, GL_INFO_LOG_LENGTH, &logLength);
if (logLength > 0)
{
GLchar *log = (GLchar *)malloc(logLength);
glGetProgramInfoLog(shaderprogram, logLength, &logLength, log);
log_info("Program validate log:\n%s", log);
free(log);
}
glGetProgramiv(shaderprogram, GL_VALIDATE_STATUS, &status);
if (status == 0)
{
log_error("Failed to validate program\n");
return 0;
}
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)
{
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();
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
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();
}
else
glFinish();
}
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
#ifdef _WIN32
wglMakeCurrent(hdc, hglrc);
#else
glXMakeCurrent(dpy, drawable, ctx);
#endif
#endif
// Grab the contents of the final framebuffer
BufferOwningPtr<char> resultData(ReadGLRenderbuffer(
glFramebuffer, glRenderbuffer, GL_COLOR_ATTACHMENT0_EXT, GL_RGBA,
GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, 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;
}
}
}
}
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
size_t device_cb;
cl_int err =
clGetContextInfo(context, CL_CONTEXT_DEVICES, 0, NULL, &device_cb);
if (err != CL_SUCCESS)
{
print_error(err, "Unable to get device count from context");
return -1;
}
vs_count = (GLint)device_cb / sizeof(cl_device_id);
if (vs_count < 1)
{
log_error("No devices found.\n");
return -1;
}
device_list = (cl_device_id *)malloc(device_cb);
err = clGetContextInfo(context, CL_CONTEXT_DEVICES, device_cb, device_list,
NULL);
if (err != CL_SUCCESS)
{
free(device_list);
print_error(err, "Unable to get device list from context");
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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