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 #include "libANGLE/cl_utils.h"
15
16 namespace rx
17 {
18
CLMemoryCL(const cl::Memory & memory,cl_mem native)19 CLMemoryCL::CLMemoryCL(const cl::Memory &memory, cl_mem native)
20 : CLMemoryImpl(memory), mNative(native)
21 {
22 memory.getContext().getImpl<CLContextCL>().mData->mMemories.emplace(memory.getNative());
23 }
24
~CLMemoryCL()25 CLMemoryCL::~CLMemoryCL()
26 {
27 const size_t numRemoved =
28 mMemory.getContext().getImpl<CLContextCL>().mData->mMemories.erase(mMemory.getNative());
29 ASSERT(numRemoved == 1u);
30
31 if (mNative->getDispatch().clReleaseMemObject(mNative) != CL_SUCCESS)
32 {
33 ERR() << "Error while releasing CL memory object";
34 }
35 }
36
createSubBuffer(const cl::Buffer & buffer,cl::MemFlags flags,size_t size,CLMemoryImpl::Ptr * subBufferOut)37 angle::Result CLMemoryCL::createSubBuffer(const cl::Buffer &buffer,
38 cl::MemFlags flags,
39 size_t size,
40 CLMemoryImpl::Ptr *subBufferOut)
41 {
42 cl_int errorCode = CL_SUCCESS;
43 const cl_buffer_region region = {buffer.getOffset(), size};
44
45 const cl_mem nativeBuffer = mNative->getDispatch().clCreateSubBuffer(
46 mNative, flags.get(), CL_BUFFER_CREATE_TYPE_REGION, ®ion, &errorCode);
47 ANGLE_CL_TRY(errorCode);
48
49 *subBufferOut =
50 CLMemoryImpl::Ptr(nativeBuffer != nullptr ? new CLMemoryCL(buffer, nativeBuffer) : nullptr);
51 return angle::Result::Continue;
52 }
53
54 } // namespace rx
55