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Tracking the internal allocation when creating a buffer

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This fix prevents the creation of a buffer from the pointer
obtained from clEnqueueMapBuffer

Change-Id: I203f2d5263eeb02fe0d73bc9db159438af3cf1fc
This commit is contained in:
Koska, Andrzej
2018-05-08 10:00:23 +02:00
committed by sys_ocldev
parent c46f716d6c
commit fe56c57318
16 changed files with 233 additions and 11 deletions
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24
unit_tests/api/cl_enqueue_map_buffer_tests.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2017, Intel Corporation
* Copyright (c) 2017 - 2018, Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
@ -104,6 +104,28 @@ TEST_F(clEnqueueMapBufferTests, validInputs_returnsSuccess) {
clReleaseEvent(eventReturned);
}
TEST_F(clEnqueueMapBufferTests, GivenMappedPointerWhenCreateBufferFormThisPointerThenReturnInvalidHostPointer) {
unsigned int bufferSize = 16;
cl_mem buffer = clCreateBuffer(pContext, CL_MEM_READ_WRITE, bufferSize, nullptr, &retVal);
EXPECT_EQ(CL_SUCCESS, retVal);
EXPECT_NE(nullptr, buffer);
void *hostPointer = clEnqueueMapBuffer(pCommandQueue, buffer, CL_TRUE, CL_MAP_READ, 0, bufferSize, 0, nullptr, nullptr, &retVal);
EXPECT_NE(nullptr, hostPointer);
EXPECT_EQ(CL_SUCCESS, retVal);
retVal = clEnqueueUnmapMemObject(pCommandQueue, buffer, hostPointer, 0, NULL, NULL);
EXPECT_EQ(CL_SUCCESS, retVal);
auto bufferFromHostPtr = clCreateBuffer(pContext, CL_MEM_USE_HOST_PTR, bufferSize, hostPointer, &retVal);
EXPECT_EQ(CL_INVALID_HOST_PTR, retVal);
EXPECT_EQ(nullptr, bufferFromHostPtr);
retVal = clReleaseMemObject(buffer);
EXPECT_EQ(CL_SUCCESS, retVal);
}
class EnqueueMapBufferFlagsTest : public api_fixture,
public testing::TestWithParam<uint64_t /*cl_mem_flags*/> {
public: