vrend: Add definitions for the copy_transfer3d command

Add protocol definitions for the copy_transfer3d command and also
for the associated virgl capability.

Signed-off-by: Alexandros Frantzis <alexandros.frantzis@collabora.com>
Reviewed-by: Chia-I Wu <olvaffe@gmail.com>
Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org>

src/virgl_hw.h

@@ -247,6 +247,7 @@ enum virgl_formats {
 #define VIRGL_CAP_TRANSFORM_FEEDBACK3  (1 << 23)
 #define VIRGL_CAP_3D_ASTC              (1 << 24)
 #define VIRGL_CAP_INDIRECT_INPUT_ADDR  (1 << 25)
+#define VIRGL_CAP_COPY_TRANSFER        (1 << 26)
 
 /* virgl bind flags - these are compatible with mesa 10.5 gallium.
  * but are fixed, no other should be passed to virgl either.

src/virgl_protocol.h

@@ -100,6 +100,7 @@ enum virgl_context_cmd {
    VIRGL_CCMD_GET_QUERY_RESULT_QBO,
    VIRGL_CCMD_TRANSFER3D,
    VIRGL_CCMD_END_TRANSFERS,
+   VIRGL_CCMD_COPY_TRANSFER3D,
    VIRGL_MAX_COMMANDS
 };
 
@@ -584,4 +585,11 @@ enum virgl_context_cmd {
 #define VIRGL_TRANSFER3D_DATA_OFFSET 12
 #define VIRGL_TRANSFER3D_DIRECTION 13
 
+/* Copy transfer */
+#define VIRGL_COPY_TRANSFER3D_SIZE 14
+/* The first 11 dwords are the same as VIRGL_RESOURCE_IW_*  */
+#define VIRGL_COPY_TRANSFER3D_SRC_RES_HANDLE 12
+#define VIRGL_COPY_TRANSFER3D_SRC_RES_OFFSET 13
+#define VIRGL_COPY_TRANSFER3D_SYNCHRONIZED 14
+
 #endif

src/vrend_debug.c

@@ -74,6 +74,7 @@ static const char *command_names[VIRGL_MAX_COMMANDS] = {
    "GET_QBO_RESULT",
    "TRANSFER3D",
    "END_TRANSFERS",
+   "COPY_TRANSFER3D",
 };
 
 static const char *object_type_names[VIRGL_MAX_OBJECTS] = {