kc3-lang/angle/src/libANGLE/CLCommandQueue.h

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• Author : John Plate
  Date : 2021-05-31 17:38:43
  Hash : 41b817f3
  Message : CL: Add buffer enqueue commands Add buffer enqueue commands to front end and pass-through back end. Bug: angleproject:6015 Change-Id: I936530d31903e395550e4540339ebec2e6702e65 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2928425 Commit-Queue: John Plate <jplate@google.com> Reviewed-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Cody Northrop <cnorthrop@google.com>

• src/libANGLE/CLCommandQueue.h

• //
  // 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.
  //
  // CLCommandQueue.h: Defines the cl::CommandQueue class, which can be used to queue a set of OpenCL
  // operations.
  
  #ifndef LIBANGLE_CLCOMMANDQUEUE_H_
  #define LIBANGLE_CLCOMMANDQUEUE_H_
  
  #include "libANGLE/CLObject.h"
  #include "libANGLE/renderer/CLCommandQueueImpl.h"
  
  #include <limits>
  
  namespace cl
  {
  
  class CommandQueue final : public _cl_command_queue, public Object
  {
    public:
      // Front end entry functions, only called from OpenCL entry points
  
      cl_int getInfo(CommandQueueInfo name,
                     size_t valueSize,
                     void *value,
                     size_t *valueSizeRet) const;
  
      cl_int setProperty(CommandQueueProperties properties,
                         cl_bool enable,
                         cl_command_queue_properties *oldProperties);
  
      cl_int enqueueReadBuffer(cl_mem buffer,
                               cl_bool blockingRead,
                               size_t offset,
                               size_t size,
                               void *ptr,
                               cl_uint numEventsInWaitList,
                               const cl_event *eventWaitList,
                               cl_event *event);
  
      cl_int enqueueWriteBuffer(cl_mem buffer,
                                cl_bool blockingWrite,
                                size_t offset,
                                size_t size,
                                const void *ptr,
                                cl_uint numEventsInWaitList,
                                const cl_event *eventWaitList,
                                cl_event *event);
  
      cl_int enqueueReadBufferRect(cl_mem buffer,
                                   cl_bool blockingRead,
                                   const size_t *bufferOrigin,
                                   const size_t *hostOrigin,
                                   const size_t *region,
                                   size_t bufferRowPitch,
                                   size_t bufferSlicePitch,
                                   size_t hostRowPitch,
                                   size_t hostSlicePitch,
                                   void *ptr,
                                   cl_uint numEventsInWaitList,
                                   const cl_event *eventWaitList,
                                   cl_event *event);
  
      cl_int enqueueWriteBufferRect(cl_mem buffer,
                                    cl_bool blockingWrite,
                                    const size_t *bufferOrigin,
                                    const size_t *hostOrigin,
                                    const size_t *region,
                                    size_t bufferRowPitch,
                                    size_t bufferSlicePitch,
                                    size_t hostRowPitch,
                                    size_t hostSlicePitch,
                                    const void *ptr,
                                    cl_uint numEventsInWaitList,
                                    const cl_event *eventWaitList,
                                    cl_event *event);
  
      cl_int enqueueCopyBuffer(cl_mem srcBuffer,
                               cl_mem dstBuffer,
                               size_t srcOffset,
                               size_t dstOffset,
                               size_t size,
                               cl_uint numEventsInWaitList,
                               const cl_event *eventWaitList,
                               cl_event *event);
  
      cl_int enqueueCopyBufferRect(cl_mem srcBuffer,
                                   cl_mem dstBuffer,
                                   const size_t *srcOrigin,
                                   const size_t *dstOrigin,
                                   const size_t *region,
                                   size_t srcRowPitch,
                                   size_t srcSlicePitch,
                                   size_t dstRowPitch,
                                   size_t dstSlicePitch,
                                   cl_uint numEventsInWaitList,
                                   const cl_event *eventWaitList,
                                   cl_event *event);
  
      cl_int enqueueFillBuffer(cl_mem buffer,
                               const void *pattern,
                               size_t patternSize,
                               size_t offset,
                               size_t size,
                               cl_uint numEventsInWaitList,
                               const cl_event *eventWaitList,
                               cl_event *event);
  
      void *enqueueMapBuffer(cl_mem buffer,
                             cl_bool blockingMap,
                             MapFlags mapFlags,
                             size_t offset,
                             size_t size,
                             cl_uint numEventsInWaitList,
                             const cl_event *eventWaitList,
                             cl_event *event,
                             cl_int &errorCode);
  
    public:
      using PropArray = std::vector<cl_queue_properties>;
  
      static constexpr cl_uint kNoSize = std::numeric_limits<cl_uint>::max();
  
      ~CommandQueue() override;
  
      Context &getContext();
      const Context &getContext() const;
      const Device &getDevice() const;
  
      CommandQueueProperties getProperties() const;
      bool isOnHost() const;
      bool isOnDevice() const;
  
      bool hasSize() const;
      cl_uint getSize() const;
  
      template <typename T = rx::CLCommandQueueImpl>
      T &getImpl() const;
  
    private:
      CommandQueue(Context &context,
                   Device &device,
                   PropArray &&propArray,
                   CommandQueueProperties properties,
                   cl_uint size,
                   cl_int &errorCode);
  
      CommandQueue(Context &context,
                   Device &device,
                   CommandQueueProperties properties,
                   cl_int &errorCode);
  
      const ContextPtr mContext;
      const DevicePtr mDevice;
      const PropArray mPropArray;
      CommandQueueProperties mProperties;
      const cl_uint mSize = kNoSize;
      const rx::CLCommandQueueImpl::Ptr mImpl;
  
      friend class Object;
  };
  
  inline Context &CommandQueue::getContext()
  {
      return *mContext;
  }
  
  inline const Context &CommandQueue::getContext() const
  {
      return *mContext;
  }
  
  inline const Device &CommandQueue::getDevice() const
  {
      return *mDevice;
  }
  
  inline CommandQueueProperties CommandQueue::getProperties() const
  {
      return mProperties;
  }
  
  inline bool CommandQueue::isOnHost() const
  {
      return mProperties.isNotSet(CL_QUEUE_ON_DEVICE);
  }
  
  inline bool CommandQueue::isOnDevice() const
  {
      return mProperties.isSet(CL_QUEUE_ON_DEVICE);
  }
  
  inline bool CommandQueue::hasSize() const
  {
      return mSize != kNoSize;
  }
  
  inline cl_uint CommandQueue::getSize() const
  {
      return mSize;
  }
  
  template <typename T>
  inline T &CommandQueue::getImpl() const
  {
      return static_cast<T &>(*mImpl);
  }
  
  }  // namespace cl
  
  #endif  // LIBANGLE_CLCOMMANDQUEUE_H_