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zink: store bufferview hash to bufferview struct

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this lets us do a lot of things more precisely for bufferviews

Reviewed-by: Dave Airlie <airlied@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9543>
This commit is contained in:
Mike Blumenkrantz 2020-11-05 10:27:08 -05:00
parent 5acbba4e41
commit 473ee28cf3
2 changed files with 10 additions and 0 deletions
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9
src/gallium/drivers/zink/zink_context.c
View file

@ -558,6 +558,13 @@ sampler_aspect_from_format(enum pipe_format fmt)
return VK_IMAGE_ASPECT_COLOR_BIT;
}
static uint32_t
hash_bufferview(void *bvci)
{
size_t offset = offsetof(VkBufferViewCreateInfo, flags);
return _mesa_hash_data((char*)bvci + offset, sizeof(VkBufferViewCreateInfo) - offset);
}
static struct zink_buffer_view *
get_buffer_view(struct zink_context *ctx, struct zink_resource *res, enum pipe_format format, uint32_t offset, uint32_t range)
{
@ -571,6 +578,7 @@ get_buffer_view(struct zink_context *ctx, struct zink_resource *res, enum pipe_f
bvci.offset = offset;
bvci.range = range;
uint32_t hash = hash_bufferview(&bvci);
VkBufferView view;
if (vkCreateBufferView(screen->dev, &bvci, NULL, &view) != VK_SUCCESS)
return NULL;
@ -581,6 +589,7 @@ get_buffer_view(struct zink_context *ctx, struct zink_resource *res, enum pipe_f
}
pipe_reference_init(&buffer_view->reference, 1);
buffer_view->buffer_view = view;
buffer_view->hash = hash;
return buffer_view;
}

1
src/gallium/drivers/zink/zink_context.h
View file

@ -77,6 +77,7 @@ struct zink_sampler_state {
struct zink_buffer_view {
struct pipe_reference reference;
VkBufferView buffer_view;
uint32_t hash;
};
struct zink_sampler_view {