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gpu/internal/vulkan,internal/vk: allocate descriptor sets in batches

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We know exactly the configuration and number of sets in each pool, so
we may as well allocate them al up front.

References: https://todo.sr.ht/~eliasnaur/gio/375
Signed-off-by: Elias Naur <mail@eliasnaur.com>
This commit is contained in:
Elias Naur
2022-03-11 18:02:38 +01:00
parent e8aa881d40
commit 7785310e9d
2 changed files with 56 additions and 66 deletions
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internal/vk/vulkan.go
+11 -7
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@@ -1739,18 +1739,22 @@ func UpdateDescriptorSet(d Device, write WriteDescriptorSet) {
C.vkUpdateDescriptorSets(funcs.vkUpdateDescriptorSets, d, write, 0, nil)
}
func AllocateDescriptorSet(d Device, pool DescriptorPool, layout DescriptorSetLayout) (DescriptorSet, error) {
func AllocateDescriptorSets(d Device, pool DescriptorPool, layout DescriptorSetLayout, count int) ([]DescriptorSet, error) {
layouts := make([]DescriptorSetLayout, count)
for i := range layouts {
layouts[i] = layout
}
inf := C.VkDescriptorSetAllocateInfo{
sType: C.VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO,
descriptorPool: pool,
descriptorSetCount: 1,
pSetLayouts: &layout,
descriptorSetCount: C.uint32_t(count),
pSetLayouts: &layouts[0],
}
var set C.VkDescriptorSet
if err := vkErr(C.vkAllocateDescriptorSets(funcs.vkAllocateDescriptorSets, d, inf, &set)); err != nil {
return nilDescriptorSet, fmt.Errorf("vulkan: vkAllocateDescriptorSets: %w", err)
sets := make([]DescriptorSet, count, count)
if err := vkErr(C.vkAllocateDescriptorSets(funcs.vkAllocateDescriptorSets, d, inf, &sets[0])); err != nil {
return nil, fmt.Errorf("vulkan: vkAllocateDescriptorSets: %w", err)
}
return set, nil
return sets, nil
}
func CreateComputePipeline(d Device, mod ShaderModule, layout PipelineLayout) (Pipeline, error) {