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Do not take a transfer and do the memcpy. Add a _buffer suffix to
the function name to make it clear that it is only for buffers.
Signed-off-by: Chia-I Wu <[email protected]>
Reviewed-by: Gurchetan Singh <[email protected]>
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COMPLETED_LIST is always empty. We only need one list.
Signed-off-by: Chia-I Wu <[email protected]>
Reviewed-by: Alexandros Frantzis <[email protected]>
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A pipe_transfer is a context object. It is fine for
virgl_transfer_queue to have access to the context.
Signed-off-by: Chia-I Wu <[email protected]>
Reviewed-by: Alexandros Frantzis <[email protected]>
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Add header guard and forward declare structs. Move virgl_resource.h
inclusion to the C file.
Signed-off-by: Chia-I Wu <[email protected]>
Reviewed-by: Alexandros Frantzis <[email protected]>
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Intersecting transfer queue entries allow for the possibility of
extending an existing transfer instead of creating a new one (and all
the associated mappign/unmapping).
Signed-off-by: David Riley <[email protected]>
Reviewed-by: Gurchetan Singh <[email protected]>
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Transfers will be placed here at unmap time instead of incurring
a VM exit. There's an attempt to deduplicate intersecting 1D transfers,
which are surprisingly common.
This can also help with mipmapped texture upload and smaller
textures, where the majority of the time is spent in the guest
kernel / QEMU -- not virglrenderer. This is shown by the GLbench
texture upload benchmark:
Before:
texture_upload_rgba_teximage2d_32 = 64.23 mtexel_sec
After:
texture_upload_rgba_teximage2d_32 = 367.44 mtexel_sec
v2: Split up list iteration functions (@gerddie)
v3: Support for optimizing glBufferSubData
Reviewed-by: Gert Wollny <[email protected]>
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