freedreno: Introduce a fd_resource_layer_stride() helper.

[mesa.git] / src / gallium / drivers / freedreno / freedreno_resource.h

diff --git a/src/gallium/drivers/freedreno/freedreno_resource.h b/src/gallium/drivers/freedreno/freedreno_resource.h
index b16e5a2781cca2a383fe680b44bf3ad24762b1ef..1d3931b2a03b944dfb65cfc15068b7a8c270c25b 100644 (file)
--- a/src/gallium/drivers/freedreno/freedreno_resource.h
+++ b/src/gallium/drivers/freedreno/freedreno_resource.h
@@ -156,17 +156,22 @@ fd_resource_slice(struct fd_resource *rsc, unsigned level)
        return &rsc->slices[level];
 }
 
+static inline uint32_t
+fd_resource_layer_stride(struct fd_resource *rsc, unsigned level)
+{
+       if (rsc->layer_first)
+               return rsc->layer_size;
+       else
+               return fd_resource_slice(rsc, level)->size0;
+}
+
 /* get offset for specified mipmap level and texture/array layer */
 static inline uint32_t
 fd_resource_offset(struct fd_resource *rsc, unsigned level, unsigned layer)
 {
        struct fd_resource_slice *slice = fd_resource_slice(rsc, level);
-       unsigned offset;
-       if (rsc->layer_first) {
-               offset = slice->offset + (rsc->layer_size * layer);
-       } else {
-               offset = slice->offset + (slice->size0 * layer);
-       }
+       unsigned offset = slice->offset;
+       offset += fd_resource_layer_stride(rsc, level) * layer;
        debug_assert(offset < fd_bo_size(rsc->bo));
        return offset + rsc->offset;
 }