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zink: add a null sampler view descriptor hash to the screen

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pre-hashing this saves us time later since we can just reuse it

Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9348>
This commit is contained in:
Mike Blumenkrantz 2020-10-07 13:59:35 -04:00 • committed by Marge Bot
parent 67f9038b85
commit fa77cc2fbb
2 changed files with 11 additions and 0 deletions
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8
src/gallium/drivers/zink/zink_screen.c
View file

@ -1249,6 +1249,13 @@ zink_create_logical_device(struct zink_screen *screen)
return dev;
}
static void
pre_hash_descriptor_states(struct zink_screen *screen)
{
VkDescriptorImageInfo null_info = {};
screen->null_descriptor_hashes.sampler_view = _mesa_hash_data(&null_info, sizeof(VkDescriptorImageInfo));
}
static struct zink_screen *
zink_internal_create_screen(const struct pipe_screen_config *config)
{
@ -1319,6 +1326,7 @@ zink_internal_create_screen(const struct pipe_screen_config *config)
zink_screen_init_compiler(screen);
disk_cache_init(screen);
populate_format_props(screen);
pre_hash_descriptor_states(screen);
VkPipelineCacheCreateInfo pcci;
pcci.sType = VK_STRUCTURE_TYPE_PIPELINE_CACHE_CREATE_INFO;

3
src/gallium/drivers/zink/zink_screen.h
View file

@ -126,6 +126,9 @@ struct zink_screen {
} driconf;
VkFormatProperties format_props[PIPE_FORMAT_COUNT];
struct {
uint32_t sampler_view;
} null_descriptor_hashes;
};
static inline struct zink_screen *