GH-951 - Improve validation for minImageTransferGranularity
Added missing BC1_RGBA formats to vk_format_is_compressed function
Added function in vk_layer_utils to get block sizes for compressed formats
diff --git a/layers/vk_layer_utils.h b/layers/vk_layer_utils.h
index 623f0c5..43e1b53 100644
--- a/layers/vk_layer_utils.h
+++ b/layers/vk_layer_utils.h
@@ -111,6 +111,7 @@
bool vk_format_is_float(VkFormat format);
bool vk_format_is_srgb(VkFormat format);
bool vk_format_is_compressed(VkFormat format);
+VkExtent2D vk_format_compressed_block_size(VkFormat format);
size_t vk_format_get_size(VkFormat format);
unsigned int vk_format_get_channel_count(VkFormat format);
VkFormatCompatibilityClass vk_format_get_compatibility_class(VkFormat format);