xref: /aosp_15_r20/external/mesa3d/src/broadcom/drm-shim/README.md (revision 6104692788411f58d303aa86923a9ff6ecaded22)
1*61046927SAndroid Build Coastguard Worker### v3d_noop backend
2*61046927SAndroid Build Coastguard Worker
3*61046927SAndroid Build Coastguard WorkerThis implements the minimum of v3d in order to make shader-db work.
4*61046927SAndroid Build Coastguard WorkerThe submit ioctl is stubbed out to not execute anything.
5*61046927SAndroid Build Coastguard Worker
6*61046927SAndroid Build Coastguard WorkerExport `MESA_LOADER_DRIVER_OVERRIDE=v3d
7*61046927SAndroid Build Coastguard WorkerLD_PRELOAD=$prefix/lib/libv3d_noop_drm_shim.so`.  This will be a V3D
8*61046927SAndroid Build Coastguard Worker4.2 device.
9*61046927SAndroid Build Coastguard Worker
10*61046927SAndroid Build Coastguard Worker### vc4_noop backend
11*61046927SAndroid Build Coastguard Worker
12*61046927SAndroid Build Coastguard WorkerThis implements the minimum of vc4 in order to make shader-db work.
13*61046927SAndroid Build Coastguard WorkerThe submit ioctl is stubbed out to not execute anything.
14*61046927SAndroid Build Coastguard Worker
15*61046927SAndroid Build Coastguard WorkerExport `MESA_LOADER_DRIVER_OVERRIDE=vc4
16*61046927SAndroid Build Coastguard WorkerLD_PRELOAD=$prefix/lib/libvc4_noop_drm_shim.so`.  This will be a VC4
17*61046927SAndroid Build Coastguard Worker2.1 device.
18*61046927SAndroid Build Coastguard Worker
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