Support binding individual mipmap levels of textures

[libs/gl.git] / source / backends / vulkan / texture_backend.h

diff --git a/source/backends/vulkan/texture_backend.h b/source/backends/vulkan/texture_backend.h
index 9d0435000f45578c8815bd428869e98b9cc056d8..f7ea99b0ecd4c13b605c0bc0bfc54a5b75fe1edf 100644 (file)
--- a/source/backends/vulkan/texture_backend.h
+++ b/source/backends/vulkan/texture_backend.h
@@ -18,6 +18,7 @@ protected:
        Device &device;
        VkImage handle = 0;
        VkImageView view_handle = 0;
+       mutable std::vector<VkImageView> mip_view_handles;
        unsigned memory_id = 0;
        unsigned view_type;
        std::string debug_name;
@@ -28,13 +29,18 @@ protected:
 
        void allocate();
        virtual void fill_image_info(void *) const = 0;
+       VkImageView create_view(int) const;
+       void create_mip_views() const;
        void require_swizzle() { }
 
-       virtual void generate_mipmap() = 0;
-       void generate_mipmap_levels(unsigned);
+       void stage_pixels(void *, const void *, size_t);
+
+       void generate_mipmap();
        virtual void fill_mipmap_blit(unsigned, void *) = 0;
 
-       void change_layout(unsigned, int, unsigned, bool) const;
+       void change_layout(int, unsigned, bool) const;
+
+       void refresh_mip_views() const { if(mip_view_handles.empty()) create_mip_views(); }
 
        void set_debug_name(const std::string &);
        void set_vulkan_object_names() const;