virgl: add encoder functions for new protocol

Let's encode the new protocol with new helper functions.

Reviewed-by: Gert Wollny <gert.wollny@collabora.com>

diff --git a/src/gallium/drivers/virgl/virgl_encode.c b/src/gallium/drivers/virgl/virgl_encode.c
index fe390ea..ad7842f 100644 (file)
--- a/src/gallium/drivers/virgl/virgl_encode.c
+++ b/src/gallium/drivers/virgl/virgl_encode.c
@@ -1103,3 +1103,25 @@ int virgl_encode_get_query_result_qbo(struct virgl_context *ctx,
    virgl_encoder_write_dword(ctx->cbuf, index);
    return 0;
 }
+
+void virgl_encode_transfer(struct virgl_screen *vs, struct virgl_cmd_buf *buf,
+                           struct virgl_transfer *trans, uint32_t direction)
+{
+   uint32_t command;
+   struct virgl_resource *res = virgl_resource(trans->base.resource);
+   command = VIRGL_CMD0(VIRGL_CCMD_TRANSFER3D, 0, VIRGL_TRANSFER3D_SIZE);
+   virgl_encoder_write_dword(buf, command);
+   virgl_encoder_transfer3d_common(vs, buf, trans);
+   virgl_encoder_write_dword(buf, trans->offset);
+   virgl_encoder_write_dword(buf, direction);
+}
+
+void virgl_encode_end_transfers(struct virgl_cmd_buf *buf)
+{
+   uint32_t command, diff;
+   diff = VIRGL_MAX_TBUF_DWORDS - buf->cdw;
+   if (diff) {
+      command = VIRGL_CMD0(VIRGL_CCMD_END_TRANSFERS, 0, diff - 1);
+      virgl_encoder_write_dword(buf, command);
+   }
+}

diff --git a/src/gallium/drivers/virgl/virgl_encode.h b/src/gallium/drivers/virgl/virgl_encode.h
index 70fae1d..150ed17 100644 (file)
--- a/src/gallium/drivers/virgl/virgl_encode.h
+++ b/src/gallium/drivers/virgl/virgl_encode.h
@@ -32,6 +32,8 @@ struct tgsi_token;
 
 struct virgl_context;
 struct virgl_resource;
+struct virgl_screen;
+struct virgl_transfer;
 struct virgl_sampler_view;
 
 struct virgl_surface {
@@ -287,4 +289,8 @@ int virgl_encode_get_query_result_qbo(struct virgl_context *ctx,
                                       uint32_t offset,
                                       uint32_t index);
 
+void virgl_encode_transfer(struct virgl_screen *vs, struct virgl_cmd_buf *buf,
+                           struct virgl_transfer *trans, uint32_t direction);
+
+void virgl_encode_end_transfers(struct virgl_cmd_buf *buf);
 #endif