svga: Add function svga_resource_type()

This function returns svga texture type for corresponding pipe texture.

Reviewed-by: Charmaine Lee <[email protected]>
Reviewed-by: Brian Paul <[email protected]>

1 files changed, 20 insertions, 0 deletions

diff --git a/src/gallium/drivers/svga/svga_surface.h b/src/gallium/drivers/svga/svga_surface.h
index ed9f37a74a6..18cb9c1869d 100644
--- a/src/gallium/drivers/svga/svga_surface.h
+++ b/src/gallium/drivers/svga/svga_surface.h
@@ -125,5 +125,25 @@ svga_surface_const(const struct pipe_surface *surface)
 struct pipe_surface *
 svga_validate_surface_view(struct svga_context *svga, struct svga_surface *s);
 
+static inline SVGA3dResourceType
+svga_resource_type(enum pipe_texture_target target)
+{
+   switch (target) {
+   case PIPE_TEXTURE_1D:
+   case PIPE_TEXTURE_1D_ARRAY:
+      return SVGA3D_RESOURCE_TEXTURE1D;
+   case PIPE_TEXTURE_RECT:
+   case PIPE_TEXTURE_2D:
+   case PIPE_TEXTURE_2D_ARRAY:
+   case PIPE_TEXTURE_CUBE:
+      /* drawing to cube map is treated as drawing to 2D array */
+      return SVGA3D_RESOURCE_TEXTURE2D;
+   case PIPE_TEXTURE_3D:
+      return SVGA3D_RESOURCE_TEXTURE3D;
+   default:
+      assert(!"Unexpected texture target");
+      return SVGA3D_RESOURCE_TEXTURE2D;
+   }
+}
 
 #endif