radv: provide a helper for comparing an image extents.

This just makes it easier to do the follow in cleanups of the surface.

Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Signed-off-by: Dave Airlie <airlied@redhat.com>

src/amd/vulkan/radv_meta_clear.c

@@ -614,7 +614,7 @@ static bool depth_view_can_fast_clear(const struct radv_image_view *iview,
 	    iview->base_mip == 0 &&
 	    iview->base_layer == 0 &&
 	    radv_layout_can_expclear(iview->image, layout) &&
-	    memcmp(&iview->extent, &iview->image->extent, sizeof(iview->extent)) == 0)
+	    !radv_image_extent_compare(iview->image, &iview->extent))
 		return true;
 	return false;
 }
@@ -858,7 +858,7 @@ emit_fast_color_clear(struct radv_cmd_buffer *cmd_buffer,
 	if (iview->image->surface.level[0].mode < RADEON_SURF_MODE_1D)
 		goto fail;
 
-	if (memcmp(&iview->extent, &iview->image->extent, sizeof(iview->extent)))
+	if (!radv_image_extent_compare(iview->image, &iview->extent))
 		goto fail;
 
 	if (clear_rect->rect.offset.x || clear_rect->rect.offset.y ||

src/amd/vulkan/radv_private.h

@@ -1284,6 +1284,15 @@ radv_sanitize_image_offset(const VkImageType imageType,
 	}
 }
 
+static inline bool
+radv_image_extent_compare(const struct radv_image *image,
+			  const VkExtent3D *extent)
+{
+	if (memcmp(extent, &image->extent, sizeof(*extent)))
+		return false;
+	return true;
+}
+
 struct radv_sampler {
 	uint32_t state[4];
 };