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All drivers were already doing it except virgl.
Reviewed-by: Nicolai Hähnle <[email protected]>
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to reduce the call indirections with u_resource_vtbl.
The worst call tree you could get was:
- u_transfer_inline_write_vtbl
- u_default_transfer_inline_write
- u_transfer_map_vtbl
- driver_transfer_map
- u_transfer_unmap_vtbl
- driver_transfer_unmap
That's 6 indirect calls. Some drivers only had 5. The goal is to have
1 indirect call for drivers that care. The resource type can be determined
statically at most call sites.
The new interface is:
pipe_context::buffer_subdata(ctx, resource, usage, offset, size, data)
pipe_context::texture_subdata(ctx, resource, level, usage, box, data,
stride, layer_stride)
v2: fix whitespace, correct ilo's behavior
Reviewed-by: Nicolai Hähnle <[email protected]>
Acked-by: Roland Scheidegger <[email protected]>
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This will allow drivers to make better decisions about texture sharing
for DRI2, DRI3, Wayland, and OpenCL.
v2: add read/write flags, take advantage of __DRI_IMAGE_USE_BACKBUFFER
Reviewed-by: Axel Davy <[email protected]>
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Include what you want, rather than relying on a header foo.h N levels
down the include chain, to provide something that you need.
Signed-off-by: Emil Velikov <[email protected]>
Reviewed-by: Dave Airlie <[email protected]>
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Signed-off-by: Emil Velikov <[email protected]>
Reviewed-by: Dave Airlie <[email protected]>
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virgl is the 3D acceleration backend for the
virtio-gpu shipping with qemu.
The 3D acceleration is designed around gallium
and TGSI as the virtualisation layer. The backend
renderer translates the virgl interface into
OpenGL currently.
This is the initial import of the driver to mesa.
The kernel driver portions are lined up for drm-next.
Currently this driver supports up to GL3.3 and some
misc extensions if the host driver exposes it. It is
planned to iterate the virgl API to new GL levels
as mesa host drivers gain features.
v2: fix resource tracking across flushes to avoid
->bind hack in mapping.
consolidate mapping and waiting code for transfers.
use u_range for dirt tracking.
handle larger shaders in protocol.
include virtgpu_drm.h in mesa for now.
add translation layer for gallium tgsi to virgl tgsi.
Signed-off-by: Dave Airlie <[email protected]>
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