1 //
2 // Copyright 2021 The ANGLE Project Authors. All rights reserved.
3 // Use of this source code is governed by a BSD-style license that can be
4 // found in the LICENSE file.
5 //
6 // CLMemoryCL.cpp: Implements the class methods for CLMemoryCL.
7
8 #include "libANGLE/renderer/cl/CLMemoryCL.h"
9
10 #include "libANGLE/renderer/cl/CLContextCL.h"
11
12 #include "libANGLE/CLBuffer.h"
13 #include "libANGLE/CLContext.h"
14
15 namespace rx
16 {
17
CLMemoryCL(const cl::Memory & memory,cl_mem native)18 CLMemoryCL::CLMemoryCL(const cl::Memory &memory, cl_mem native)
19 : CLMemoryImpl(memory), mNative(native)
20 {
21 memory.getContext().getImpl<CLContextCL>().mData->mMemories.emplace(memory.getNative());
22 }
23
~CLMemoryCL()24 CLMemoryCL::~CLMemoryCL()
25 {
26 const size_t numRemoved =
27 mMemory.getContext().getImpl<CLContextCL>().mData->mMemories.erase(mMemory.getNative());
28 ASSERT(numRemoved == 1u);
29
30 if (mNative->getDispatch().clReleaseMemObject(mNative) != CL_SUCCESS)
31 {
32 ERR() << "Error while releasing CL memory object";
33 }
34 }
35
getSize(cl_int & errorCode) const36 size_t CLMemoryCL::getSize(cl_int &errorCode) const
37 {
38 size_t size = 0u;
39 errorCode = mNative->getDispatch().clGetMemObjectInfo(mNative, CL_MEM_SIZE, sizeof(size), &size,
40 nullptr);
41 if (errorCode != CL_SUCCESS)
42 {
43 return 0u;
44 }
45 return size;
46 }
47
createSubBuffer(const cl::Buffer & buffer,cl::MemFlags flags,size_t size,cl_int & errorCode)48 CLMemoryImpl::Ptr CLMemoryCL::createSubBuffer(const cl::Buffer &buffer,
49 cl::MemFlags flags,
50 size_t size,
51 cl_int &errorCode)
52 {
53 const cl_buffer_region region = {buffer.getOffset(), size};
54 const cl_mem nativeBuffer = mNative->getDispatch().clCreateSubBuffer(
55 mNative, flags.get(), CL_BUFFER_CREATE_TYPE_REGION, ®ion, &errorCode);
56 return CLMemoryImpl::Ptr(nativeBuffer != nullptr ? new CLMemoryCL(buffer, nativeBuffer)
57 : nullptr);
58 }
59
60 } // namespace rx
61