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lavapipe: sort bindings before creating descriptor set

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This ensures the dynamic offsets are correct

Fixes: b38879f8c5 ("vallium: initial import of the vulkan frontend")
Reviewed-By: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10144>
This commit is contained in:
Dave Airlie 2021-03-03 06:50:00 +10:00 • committed by Mike Blumenkrantz
parent 73704f149f
commit 662cef76da
1 changed files with 32 additions and 2 deletions
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34
src/gallium/frontends/lavapipe/lvp_descriptor_set.c
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@ -25,6 +25,28 @@
#include "vk_util.h"
#include "u_math.h"
static int binding_compare(const void* av, const void *bv)
{
const VkDescriptorSetLayoutBinding *a = (const VkDescriptorSetLayoutBinding*)av;
const VkDescriptorSetLayoutBinding *b = (const VkDescriptorSetLayoutBinding*)bv;
return (a->binding < b->binding) ? -1 : (a->binding > b->binding) ? 1 : 0;
}
static VkDescriptorSetLayoutBinding *
create_sorted_bindings(const VkDescriptorSetLayoutBinding *bindings, unsigned count) {
VkDescriptorSetLayoutBinding *sorted_bindings = malloc(MAX2(count * sizeof(VkDescriptorSetLayoutBinding), 1));
if (!sorted_bindings)
return NULL;
if (count) {
memcpy(sorted_bindings, bindings, count * sizeof(VkDescriptorSetLayoutBinding));
qsort(sorted_bindings, count, sizeof(VkDescriptorSetLayoutBinding), binding_compare);
}
return sorted_bindings;
}
VkResult lvp_CreateDescriptorSetLayout(
VkDevice _device,
const VkDescriptorSetLayoutCreateInfo* pCreateInfo,
@ -62,10 +84,18 @@ VkResult lvp_CreateDescriptorSetLayout(
set_layout->shader_stages = 0;
set_layout->size = 0;
uint32_t dynamic_offset_count = 0;
VkDescriptorSetLayoutBinding *bindings = create_sorted_bindings(pCreateInfo->pBindings,
pCreateInfo->bindingCount);
if (!bindings) {
vk_object_base_finish(&set_layout->base);
vk_free2(&device->vk.alloc, pAllocator, set_layout);
return vk_error(device->instance, VK_ERROR_OUT_OF_HOST_MEMORY);
}
uint32_t dynamic_offset_count = 0;
for (uint32_t j = 0; j < pCreateInfo->bindingCount; j++) {
const VkDescriptorSetLayoutBinding *binding = &pCreateInfo->pBindings[j];
const VkDescriptorSetLayoutBinding *binding = bindings + j;
uint32_t b = binding->binding;
set_layout->binding[b].array_size = binding->descriptorCount;