diff options
| author | Gurchetan Singh <[email protected]> | 2019-01-23 18:11:41 -0800 |
|---|---|---|
| committer | Gert Wollny <[email protected]> | 2019-02-15 11:19:05 +0100 |
| commit | 35515985a9b82134c2b2f2f501ec45d29f67ec97 (patch) | |
| tree | c8e0b69d9cdab88f5ac2e2b1b390a8cd501937c6 /src/gallium/drivers/virgl/virgl_protocol.h | |
| parent | 503ffe46bb3961996c514b2650390d8263893579 (diff) | |
virgl: limit command length to 16 bits
Much of our logic is based around the idea the upper 16 bits
of a command dword can encode the length of the command.
Now that the command buffer >= 2^16 - 1, we should check for
this.
v2: alignment, and only check VIRGL_ENCODE_MAX_DWORDS
Reviewed-by: Gert Wollny <[email protected]>
Diffstat (limited to 'src/gallium/drivers/virgl/virgl_protocol.h')
| -rw-r--r-- | src/gallium/drivers/virgl/virgl_protocol.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/gallium/drivers/virgl/virgl_protocol.h b/src/gallium/drivers/virgl/virgl_protocol.h index 62b28bd5d00..c55a8cc2057 100644 --- a/src/gallium/drivers/virgl/virgl_protocol.h +++ b/src/gallium/drivers/virgl/virgl_protocol.h @@ -105,6 +105,7 @@ enum virgl_context_cmd { */ #define VIRGL_CMD0(cmd, obj, len) ((cmd) | ((obj) << 8) | ((len) << 16)) +#define VIRGL_CMD0_MAX_DWORDS (((1ULL << 16) - 1) / 4) * 4 /* hw specification */ #define VIRGL_MAX_COLOR_BUFS 8 |