Hash :
8ef76b6a
Author :
Date :
2025-08-04T12:34:17
CL/Vulkan: cl_khr_external_memory extension (pt.2)
- Make this extension visible if Vulkan implementation support
features supportsExternalMemoryFd and/or
supportsExternalMemoryDmaBuf
- Implemented APIs clEnqueueAcquireExternalMemObjectsKHR and
clEnqueueReleaseExternalMemObjectsKHR
- Updated clCreateBufferWithProperties to handle external memory
file descriptor.
Bug: angleproject:378017028
Change-Id: I1751982c8e9b2cd07b7e251cc54db5dcd1bcda20
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6843980
Commit-Queue: Austin Annestrand <a.annestrand@samsung.com>
Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
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//
// Copyright 2021 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// CLDeviceVk.h: Defines the class interface for CLDeviceVk, implementing CLDeviceImpl.
#ifndef LIBANGLE_RENDERER_VULKAN_CLDEVICEVK_H_
#define LIBANGLE_RENDERER_VULKAN_CLDEVICEVK_H_
#include "libANGLE/renderer/vulkan/cl_types.h"
#include "libANGLE/renderer/vulkan/vk_renderer.h"
#include "libANGLE/renderer/CLDeviceImpl.h"
#include "spirv-tools/libspirv.h"
namespace rx
{
class CLDeviceVk : public CLDeviceImpl
{
public:
explicit CLDeviceVk(const cl::Device &device, vk::Renderer *renderer);
~CLDeviceVk() override;
Info createInfo(cl::DeviceType type) const override;
const vk::Renderer *getRenderer() const { return mRenderer; }
const cl::Device &getFrontendObject() const { return const_cast<cl::Device &>(mDevice); }
angle::Result getInfoUInt(cl::DeviceInfo name, cl_uint *value) const override;
angle::Result getInfoULong(cl::DeviceInfo name, cl_ulong *value) const override;
angle::Result getInfoSizeT(cl::DeviceInfo name, size_t *value) const override;
angle::Result getInfoStringLength(cl::DeviceInfo name, size_t *value) const override;
angle::Result getInfoString(cl::DeviceInfo name, size_t size, char *value) const override;
bool supportsExternalMemoryFd() const;
bool supportsExternalMemoryDmaBuf() const;
angle::Result createSubDevices(const cl_device_partition_property *properties,
cl_uint numDevices,
CreateFuncs &subDevices,
cl_uint *numDevicesRet) override;
// Returns runtime-selected LWS value
cl::WorkgroupSize selectWorkGroupSize(const cl::NDRange &ndrange) const;
spv_target_env getSpirvVersion() const { return mSpirvVersion; }
private:
vk::Renderer *mRenderer;
spv_target_env mSpirvVersion;
angle::HashMap<cl::DeviceInfo, cl_uint> mInfoUInt;
angle::HashMap<cl::DeviceInfo, cl_ulong> mInfoULong;
angle::HashMap<cl::DeviceInfo, size_t> mInfoSizeT;
angle::HashMap<cl::DeviceInfo, std::string> mInfoString;
cl_device_integer_dot_product_capabilities_khr getIntegerDotProductCapabilities() const;
cl_device_integer_dot_product_acceleration_properties_khr
getIntegerDotProductAccelerationProperties8Bit() const;
cl_device_integer_dot_product_acceleration_properties_khr
getIntegerDotProductAccelerationProperties4x8BitPacked() const;
bool populateSupportedExternalMemoryHandleTypes(Info &info) const;
};
} // namespace rx
#endif // LIBANGLE_RENDERER_VULKAN_CLDEVICEVK_H_