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21.Q4 is required, older version should not show devices in the preferences.
This adds a check for the file version of amdhip64.dll file during hipew
initialization.
Differential Revision: https://developer.blender.org/D13324
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Use the correct device function (hipDeviceGet) for multi GPU setups, instead
of hipGetDevice which just returns the default device.
Differential Revision: https://developer.blender.org/D13323
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Happens when device runs out of memory and Cycles is moving some
textures to the host memory.
The delayed memory free for OptiX BVH was moving data from one
device_memory to another, leaving the original device memory in
an invalid state. This was ruining the allocation map in the CUDA
device which is using pointer to the device_memory.
This change makes it so the memory pointer is stolen from BVH
into the delayed memory free list.
Additionally, forbid copying and moving instances of device_memory
and added sanity checks in the device implementation.
Differential Revision: https://developer.blender.org/D13316
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This fixes the the app crash happening when trying to render smoke as a dense
3D texture. The changes are related to matching up hipew with the actual HIP
headers.
Differential Revision: https://developer.blender.org/D13296
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Remove outdated CUDA comments for bindless textures and cleanup some HIP comments that still mentioned CUDA.
Differential Revision: https://developer.blender.org/D13189
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Also cleanup some related code, that was falsely copied from CUDA.
Differential Revision: https://developer.blender.org/D13180
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This is due to a driver bug, so disable it for now until it gets resolved
in a future driver release.
Ref T92972
Differential Revision: https://developer.blender.org/D13167
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RDNA2 only for now to be conservative, but testing more hardware is underway.
Ref T92393
Differential Revision: https://developer.blender.org/D12958
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The kernel file names are search for based on the arch name, for example
gfx1010. However HIP's gcnArchName can contain options such as xnack- in
the name. For example gfx1010:sramecc-:xnack-.
This revision tokenizes the info from gcnArchName and just uses the first
token for choosing the Kernel file to use. Kernels are portable across those
features in the arch name.
Also remove the bit for recompiling ptx as clearly that is not relevant.
Differential Revision: https://developer.blender.org/D13117
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All supported devices support half float now, so we can remove the check.
Differential Revision: https://developer.blender.org/D13021
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Instead of printing debug flags listing various CPU and GPU settings that
may or may not be used, print when we are using them. This include CPU
kernel types, OptiX debugging and CUDA and HIP adaptive compilation. BVH
type was already printed.
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Remove prefix of filenames that is the same as the folder name. This used
to help when #includes were using individual files, but now they are always
relative to the cycles root directory and so the prefixes are redundant.
For patches and branches, git merge and rebase should be able to detect the
renames and move over code to the right file.
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* Split render/ into scene/ and session/. The scene/ folder now contains the
scene and its nodes. The session/ folder contains the render session and
associated data structures like drivers and render buffers.
* Move top level kernel headers into new folders kernel/camera/, kernel/film/,
kernel/light/, kernel/sample/, kernel/util/
* Move integrator related kernel headers into kernel/integrator/
* Move OSL shaders from kernel/shaders/ to kernel/osl/shaders/
For patches and branches, git merge and rebase should be able to detect the
renames and move over code to the right file.
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* Additional structs added to the hipew loader for device props
* Adds hipRTC functions to the loader for future usage
* Enables CPU+GPU usage for HIP
* Cleanup to the adaptive kernel compilation process
* Fix for kernel compilation failures with HIP with latest master
Ref T92393, D12958
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Similar to main path compaction that happens before adding work tiles, this
compacts shadow paths before launching kernels that may add shadow paths.
Only do it when more than 50% of space is wasted.
It's not a clear win in all scenes, some are up to 1.5% slower. Likely caused
by different order of scheduling kernels having an unpredictable performance
impact. Still feels like compaction is just the right thing to avoid cases
where a few shadow paths can hold up a lot of main paths.
Differential Revision: https://developer.blender.org/D12944
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Ref D12834
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The conversion from double to float was causing a build failure.
Differential Revision: https://developer.blender.org/D12946
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Ref T87836
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This patch cleans up code for HIP device and makes it more consistent with the CUDA code.
It also fixes the issue with high VRAM usage on AMD cards using HIP allowing better performance and usage on cards like 6600XT.
Added a check in intern/cycles/kernel/bvh/bvh_util.h to prevent compiler error with hipcc
Reviewed By: brecht, leesonw
Maniphest Tasks: T92124
Differential Revision: https://developer.blender.org/D12834
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* Split GPUDisplay into two classes. PathTraceDisplay to implement the Cycles side,
and DisplayDriver to implement the host application side. The DisplayDriver is now
a fully abstract base class, embedded in the PathTraceDisplay.
* Move copy_pixels_to_texture implementation out of the host side into the Cycles side,
since it can be implemented in terms of the texture buffer mapping.
* Move definition of DeviceGraphicsInteropDestination into display driver header, so
that we do not need to expose private device headers in the public API.
* Add more detailed comments about how the DisplayDriver should be implemented.
The "driver" terminology might not be obvious, but is also used in other renderers.
Differential Revision: https://developer.blender.org/D12626
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NOTE: this feature is not ready for user testing, and not yet enabled in daily
builds. It is being merged now for easier collaboration on development.
HIP is a heterogenous compute interface allowing C++ code to be executed on
GPUs similar to CUDA. It is intended to bring back AMD GPU rendering support
on Windows and Linux.
https://github.com/ROCm-Developer-Tools/HIP.
As of the time of writing, it should compile and run on Linux with existing
HIP compilers and driver runtimes. Publicly available compilers and drivers
for Windows will come later.
See task T91571 for more details on the current status and work remaining
to be done.
Credits:
Sayak Biswas (AMD)
Arya Rafii (AMD)
Brian Savery (AMD)
Differential Revision: https://developer.blender.org/D12578
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