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panvk: Add an in-memory shader cache

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This one just hangs out and prevents unnecessary duplicate compilation.
We set .weak_ref = true so it doesn't actually hold references forever.
It just hangs onto any shaders that exist in some VkPipeline or VkShader
somewhere.  But if an app compiles a pipeline it already has, it will
let us avoid a duplicate compile, even if the app doesn't provide a
pipeline cache.

Acked-by: Eric R. Smith <eric.smith@collabora.com>
Reviewed-by: Lars-Ivar Hesselberg Simonsen <lars-ivar.simonsen@arm.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38019>
This commit is contained in:
Faith Ekstrand 2025-10-22 17:06:03 -04:00 • committed by Marge Bot
parent 64ad337036
commit 4f8327188b
1 changed files with 14 additions and 2 deletions
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16
src/panfrost/vulkan/panvk_vX_device.c
View file

@ -510,10 +510,19 @@ panvk_per_arch(create_device)(struct panvk_physical_device *physical_device,
if (result != VK_SUCCESS)
goto err_free_priv_bos;
struct vk_pipeline_cache_create_info cache_info = {
.weak_ref = true,
};
device->vk.mem_cache = vk_pipeline_cache_create(&device->vk, &cache_info, NULL);
if (device->vk.mem_cache == NULL) {
result = VK_ERROR_OUT_OF_HOST_MEMORY;
goto err_free_precomp;
}
#if PAN_ARCH >= 10
result = panvk_per_arch(device_draw_context_init)(device);
if (result != VK_SUCCESS)
goto err_free_precomp;
goto err_free_mem_cache;
#endif
result = panvk_meta_init(device);
@ -578,8 +587,10 @@ err_finish_queues:
err_free_draw_ctx:
#if PAN_ARCH >= 10
panvk_per_arch(device_draw_context_cleanup)(device);
err_free_precomp:
err_free_mem_cache:
#endif
vk_pipeline_cache_destroy(device->vk.mem_cache, NULL);
err_free_precomp:
panvk_precomp_cleanup(device);
err_free_priv_bos:
if (device->printf.bo)
@ -630,6 +641,7 @@ panvk_per_arch(destroy_device)(struct panvk_device *device,
panvk_per_arch(device_draw_context_cleanup)(device);
#endif
panvk_meta_cleanup(device);
vk_pipeline_cache_destroy(device->vk.mem_cache, NULL);
pan_kmod_bo_put(device->sparse_mem.blackhole);
u_printf_destroy(&device->printf.ctx);
panvk_priv_bo_unref(device->printf.bo);