render/vulkan: add some interfaces to allow compositors to integrate

Added wlr_vk_renderer_get_* functions to allow get the VkInstance,
VkPhysicalDevice, VkDevice, queue family of a wlr_vk_renderer.

Added wlr_vk_renderer_get_current_image_attribs function to allow get
the VkImage of current renderer buffer to use on compositors.

Added wlr_renderer_is_vk function, it's like the wlr_renderer_is_gles2,
returns true if the wlr_renderer is a wlr_vk_renderer.

Added wlr_vk_image_get_attribs function to get a VkImage and it's
extras information (e.g. a VkImageLayout and VkImageFormat of the
VkImage) from a wlr_texture.

1 files changed, 19 insertions, 0 deletions

diff --git a/include/wlr/render/vulkan.h b/include/wlr/render/vulkan.h
index 0302d85b..aec3a3c2 100644
--- a/include/wlr/render/vulkan.h
+++ b/include/wlr/render/vulkan.h
@@ -9,10 +9,29 @@
 #ifndef WLR_RENDER_VULKAN_H
 #define WLR_RENDER_VULKAN_H
 
+#include <vulkan/vulkan_core.h>
 #include <wlr/render/wlr_renderer.h>
 
+struct wlr_vk_image_attribs {
+	VkImage image;
+	VkImageLayout layout;
+	VkFormat format;
+};
+
 struct wlr_renderer *wlr_vk_renderer_create_with_drm_fd(int drm_fd);
+
+VkInstance wlr_vk_renderer_get_instance(struct wlr_renderer *renderer);
+VkPhysicalDevice wlr_vk_renderer_get_physical_device(struct wlr_renderer *renderer);
+VkDevice wlr_vk_renderer_get_device(struct wlr_renderer *renderer);
+uint32_t wlr_vk_renderer_get_queue_family(struct wlr_renderer *renderer);
+void wlr_vk_renderer_get_current_image_attribs(struct wlr_renderer *renderer,
+	struct wlr_vk_image_attribs *attribs);
+
+bool wlr_renderer_is_vk(struct wlr_renderer *wlr_renderer);
 bool wlr_texture_is_vk(struct wlr_texture *texture);
 
+void wlr_vk_texture_get_image_attribs(struct wlr_texture *texture,
+	struct wlr_vk_image_attribs *attribs);
+
 #endif