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render/vulkan: destroy textures after command buffer completes

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We need to wait for any pending command buffer to complete before
we're able to fully destroy a struct wlr_vk_texture: the Vulkan
spec requires the VkDescriptorSet to be kept alive.

So far we've done this in vulkan_end(), after blocking until the
command buffer completes. We'll soon stop blocking, so move this
logic in get_command_buffer(), where we check which commands buffers
have completed in a non-blocking fashion.
This commit is contained in:
Simon Ser 2022-11-07 15:11:10 +01:00
parent 0730552e85
commit 2a414c896e
3 changed files with 39 additions and 20 deletions
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11
include/render/vulkan.h
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@ -148,6 +148,8 @@ struct wlr_vk_command_buffer {
VkCommandBuffer vk;
bool recording;
uint64_t timeline_point;
// Textures to destroy after the command buffer completes
struct wl_list destroy_textures; // wlr_vk_texture.destroy_link
};
#define VULKAN_COMMAND_BUFFERS_CAP 64
@ -174,9 +176,6 @@ struct wlr_vk_renderer {
struct wlr_vk_render_buffer *current_render_buffer;
struct wlr_vk_command_buffer *current_command_buffer;
// current frame id. Used in wlr_vk_texture.last_used
// Increased every time a frame is ended for the renderer
uint32_t frame;
VkRect2D scissor; // needed for clearing
VkPipeline bound_pipe;
@ -190,8 +189,6 @@ struct wlr_vk_renderer {
struct wl_list render_format_setups; // wlr_vk_render_format_setup.link
struct wl_list textures; // wlr_vk_texture.link
// Textures to destroy after frame
struct wl_list destroy_textures; // wlr_vk_texture.destroy_link
// Textures to return to foreign queue
struct wl_list foreign_textures; // wlr_vk_texture.foreign_link
@ -258,13 +255,13 @@ struct wlr_vk_texture {
const struct wlr_vk_format *format;
VkDescriptorSet ds;
struct wlr_vk_descriptor_pool *ds_pool;
uint32_t last_used; // to track when it can be destroyed
struct wlr_vk_command_buffer *last_used_cb; // to track when it can be destroyed
bool dmabuf_imported;
bool owned; // if dmabuf_imported: whether we have ownership of the image
bool transitioned; // if dma_imported: whether we transitioned it away from preinit
bool has_alpha; // whether the image is has alpha channel
struct wl_list foreign_link; // wlr_vk_renderer.foreign_textures
struct wl_list destroy_link; // wlr_vk_renderer.destroy_textures
struct wl_list destroy_link; // wlr_vk_command_buffer.destroy_textures
struct wl_list link; // wlr_vk_renderer.textures
// If imported from a wlr_buffer