svga: add SVGA_3D_CMD_INVALIDATE_GB_SURFACE support

This command will be used in a subsequent patch to invalidate a surface.

Reviewed-by: Brian Paul <brianp@vmware.com>

diff --git a/src/gallium/drivers/svga/svga_cmd.c b/src/gallium/drivers/svga/svga_cmd.c
index ecf2e9d..7b78cb7 100644 (file)
--- a/src/gallium/drivers/svga/svga_cmd.c
+++ b/src/gallium/drivers/svga/svga_cmd.c
@@ -1870,6 +1870,24 @@ SVGA3D_InvalidateGBImagePartial(struct svga_winsys_context *swc,
    return PIPE_OK;
 }
 
+enum pipe_error
+SVGA3D_InvalidateGBSurface(struct svga_winsys_context *swc,
+                           struct svga_winsys_surface *surface)
+{
+   SVGA3dCmdInvalidateGBSurface *cmd =
+      SVGA3D_FIFOReserve(swc,
+                         SVGA_3D_CMD_INVALIDATE_GB_SURFACE,
+                         sizeof *cmd,
+                         1);  /* one relocation */
+   if (!cmd)
+      return PIPE_ERROR_OUT_OF_MEMORY;
+
+   swc->surface_relocation(swc, &cmd->sid, NULL, surface,
+                           SVGA_RELOC_READ | SVGA_RELOC_INTERNAL);
+   swc->commit(swc);
+
+   return PIPE_OK;
+}
 
 enum pipe_error
 SVGA3D_SetGBShaderConstsInline(struct svga_winsys_context *swc,

diff --git a/src/gallium/drivers/svga/svga_cmd.h b/src/gallium/drivers/svga/svga_cmd.h
index db0f890..cd2cb65 100644 (file)
--- a/src/gallium/drivers/svga/svga_cmd.h
+++ b/src/gallium/drivers/svga/svga_cmd.h
@@ -299,6 +299,10 @@ SVGA3D_InvalidateGBImagePartial(struct svga_winsys_context *swc,
                                 const SVGA3dBox *box,
                                 bool invertBox);
 
+enum pipe_error
+SVGA3D_InvalidateGBSurface(struct svga_winsys_context *swc,
+                           struct svga_winsys_surface *surface);
+
 
 enum pipe_error
 SVGA3D_SetGBShaderConstsInline(struct svga_winsys_context *swc,