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mesa/src/broadcom/drm-shim
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Christian Gmeiner f33b958010 vc4: add drm-shim 
Is enought to run shader-db.

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8736>
 		2021-01-28 16:14:06 +00:00
..
README.md vc4: add drm-shim 2021-01-28 16:14:06 +00:00
meson.build vc4: add drm-shim 2021-01-28 16:14:06 +00:00
v3d.c drm-shim: Let the driver choose to overwrite the first render node. 2020-04-23 17:54:54 +00:00
v3d.h
…
v3d_noop.c drm-shim: Let the driver choose to overwrite the first render node. 2020-04-23 17:54:54 +00:00
v3dx.c
…
vc4_noop.c vc4: add drm-shim 2021-01-28 16:14:06 +00:00

README.md

v3d backend

This implements some of v3d using the closed source v3dv3 tree's C/C++-based simulator. All execution is synchronous.

Export: MESA_LOADER_DRIVER_OVERRIDE=v3d LD_PRELOAD=$prefix/lib/libv3d_drm_shim.so. The v3dv3 version exposed will depend on the v3dv3 build -- 3.3, 4.1, and 4.2 are supported.

v3d_noop backend

This implements the minimum of v3d in order to make shader-db work. The submit ioctl is stubbed out to not execute anything.

Export MESA_LOADER_DRIVER_OVERRIDE=v3d LD_PRELOAD=$prefix/lib/libv3d_noop_drm_shim.so. This will be a V3D 4.2 device.

vc4_noop backend

This implements the minimum of vc4 in order to make shader-db work. The submit ioctl is stubbed out to not execute anything.

Export MESA_LOADER_DRIVER_OVERRIDE=vc4 LD_PRELOAD=$prefix/lib/libvc4_noop_drm_shim.so. This will be a VC4 2.1 device.