Add 3d commands to the command enumeration.
Add a section with a very short overview.
Signed-off-by: Gerd Hoffmann <kra...@redhat.com>
---
virtio-gpu.tex | 35 +++++++++++++++++++++++++++++++++++
1 file changed, 35 insertions(+)
diff --git a/virtio-gpu.tex b/virtio-gpu.tex
index eced3095a494..631aaf24ea18 100644
--- a/virtio-gpu.tex
+++ b/virtio-gpu.tex
@@ -213,6 +213,16 @@ \subsubsection{Device Operation: Request
header}\label{sec:Device Types / GPU De
VIRTIO_GPU_CMD_GET_EDID,
VIRTIO_GPU_CMD_RESOURCE_CREATE_2D_SHARED,
+ /* 3d commands (OpenGL) */
+ VIRTIO_GPU_CMD_CTX_CREATE = 0x0200,
+ VIRTIO_GPU_CMD_CTX_DESTROY,
+ VIRTIO_GPU_CMD_CTX_ATTACH_RESOURCE,
+ VIRTIO_GPU_CMD_CTX_DETACH_RESOURCE,
+ VIRTIO_GPU_CMD_RESOURCE_CREATE_3D,
+ VIRTIO_GPU_CMD_TRANSFER_TO_HOST_3D,
+ VIRTIO_GPU_CMD_TRANSFER_FROM_HOST_3D,
+ VIRTIO_GPU_CMD_SUBMIT_3D,
+
/* cursor commands */
VIRTIO_GPU_CMD_UPDATE_CURSOR = 0x0300,
VIRTIO_GPU_CMD_MOVE_CURSOR,
@@ -488,6 +498,31 @@ \subsubsection{Device Operation:
controlq}\label{sec:Device Types / GPU Device /
\end{description}
+\subsubsection{Device Operation: controlq (3d)}\label{sec:Device Types / GPU
Device / Device Operation / Device Operation: controlq (3d)}
+
+These commands are supported by the device if the VIRTIO_GPU_F_VIRGL
+feature flag is set.
+
+\begin{description}
+
+\item[VIRTIO_GPU_CMD_CTX_CREATE]
+\item[VIRTIO_GPU_CMD_CTX_DESTROY]
+\item[VIRTIO_GPU_CMD_CTX_ATTACH_RESOURCE]
+\item[VIRTIO_GPU_CMD_CTX_DETACH_RESOURCE]
+ Manage OpenGL contexts.
+
+\item[VIRTIO_GPU_CMD_RESOURCE_CREATE_3D]
+ Create OpenGL resources.
+
+\item[VIRTIO_GPU_CMD_TRANSFER_TO_HOST_3D]
+\item[VIRTIO_GPU_CMD_TRANSFER_FROM_HOST_3D]
+ Transfer data from and to OpenGL resources.
+
+\item[VIRTIO_GPU_CMD_SUBMIT_3D]
+ Submit rendering commands (mesa gallium command stream).
+
+\end{description}
+
\subsubsection{Device Operation: cursorq}\label{sec:Device Types / GPU Device
/ Device Operation / Device Operation: cursorq}
Both cursorq commands use the same command struct.
--
2.18.1
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