On Tue, Apr 21, 2015 at 3:50 PM, Francisco Jerez <curroje...@riseup.net> wrote:
> Marek Olšák <mar...@gmail.com> writes:
>
>> From: Marek Olšák <marek.ol...@amd.com>
>>
> Hi Marek, looks mostly OK to me, a few nits inline,
>
>> ---
>> src/gallium/include/state_tracker/opencl_interop.h | 42 ++++++++++++++
>> src/gallium/state_trackers/clover/Makefile.sources | 1 +
>> src/gallium/state_trackers/clover/core/event.hpp | 4 ++
>> src/gallium/state_trackers/clover/core/interop.cpp | 66
>> ++++++++++++++++++++++
>> src/gallium/targets/opencl/opencl.sym | 1 +
>> 5 files changed, 114 insertions(+)
>> create mode 100644 src/gallium/include/state_tracker/opencl_interop.h
>> create mode 100644 src/gallium/state_trackers/clover/core/interop.cpp
>>
>> diff --git a/src/gallium/include/state_tracker/opencl_interop.h
>> b/src/gallium/include/state_tracker/opencl_interop.h
>> new file mode 100644
>> index 0000000..31a3bd3
>> --- /dev/null
>> +++ b/src/gallium/include/state_tracker/opencl_interop.h
>> @@ -0,0 +1,42 @@
>> +/**************************************************************************
>> + *
>> + * Copyright 2015 Advanced Micro Devices, Inc.
>> + * All Rights Reserved.
>> + *
>> + * Permission is hereby granted, free of charge, to any person obtaining a
>> + * copy of this software and associated documentation files (the
>> + * "Software"), to deal in the Software without restriction, including
>> + * without limitation the rights to use, copy, modify, merge, publish,
>> + * distribute, sub license, and/or sell copies of the Software, and to
>> + * permit persons to whom the Software is furnished to do so, subject to
>> + * the following conditions:
>> + *
>> + * The above copyright notice and this permission notice (including the
>> + * next paragraph) shall be included in all copies or substantial portions
>> + * of the Software.
>> + *
>> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
>> + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
>> + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
>> + * IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR
>> + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
>> + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
>> + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
>> + *
>> + **************************************************************************/
>> +
>> +#ifndef OPENCL_INTEROP_H
>> +#define OPENCL_INTEROP_H
>> +
>> +/* dlsym these without the "_t" suffix. You should get the correct symbols
>> + * if the OpenCL driver is loaded.
>> + *
>> + * All functions return non-zero on success.
>> + */
>> +
>> +typedef int (*opencl_dri_event_add_ref_t)(intptr_t cl_event);
>> +typedef int (*opencl_dri_event_release_t)(intptr_t cl_event);
>> +typedef int (*opencl_dri_event_wait_t)(intptr_t cl_event, uint64_t timeout);
>> +typedef struct pipe_fence_handle *(*opencl_dri_event_get_fence_t)(intptr_t
>> cl_event);
>> +
>
> Just curious, is there any reason you use intptr_t here and elsewhere
> rather than cl_event or void *? The former is an typedef of an opaque
> pointer anyway. Using CL types would likely avoid some "ugly" casts
> later on. And maybe bool as return type?
I'll change intptr_t to void*. I don't trust that bool is the same in
both C and C++ and "int" seems to be a safe choice for an ABI.
>
>> +#endif /* OPENCL_INTEROP_H */
>> diff --git a/src/gallium/state_trackers/clover/Makefile.sources
>> b/src/gallium/state_trackers/clover/Makefile.sources
>> index 5b3344c..4c2d0f3 100644
>> --- a/src/gallium/state_trackers/clover/Makefile.sources
>> +++ b/src/gallium/state_trackers/clover/Makefile.sources
>> @@ -22,6 +22,7 @@ CPP_SOURCES := \
>> core/event.hpp \
>> core/format.cpp \
>> core/format.hpp \
>> + core/interop.cpp \
>> core/kernel.cpp \
>> core/kernel.hpp \
>> core/memory.cpp \
>> diff --git a/src/gallium/state_trackers/clover/core/event.hpp
>> b/src/gallium/state_trackers/clover/core/event.hpp
>> index 0e1359a..28f510f 100644
>> --- a/src/gallium/state_trackers/clover/core/event.hpp
>> +++ b/src/gallium/state_trackers/clover/core/event.hpp
>> @@ -116,6 +116,10 @@ namespace clover {
>>
>> friend class command_queue;
>>
>> + struct pipe_fence_handle *get_fence() const {
>
> The convention in the surrounding code is to name such accessors as the
> object they access, how about "pipe_fence_handle *fence() const"?
OK.
>
>> + return _fence;
>> + }
>> +
>> private:
>> virtual void fence(pipe_fence_handle *fence);
>> action profile(command_queue &q, const action &action) const;
>> diff --git a/src/gallium/state_trackers/clover/core/interop.cpp
>> b/src/gallium/state_trackers/clover/core/interop.cpp
>> new file mode 100644
>> index 0000000..bb80cf5
>> --- /dev/null
>> +++ b/src/gallium/state_trackers/clover/core/interop.cpp
>
> This probably belongs in clover/api/, as it's technically implementing
> an API, clover/core/ is all about core data structures and such.
OK.
Marek
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