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libs/vkd3d: Avoid copying descriptors for dirty root descriptor tables.

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This commit is contained in:
Józef Kucia
2017-09-18 15:40:42 +02:00
parent 51b1c165ba
commit acfd64c20e
3 changed files with 79 additions and 18 deletions
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84
libs/vkd3d/command.c
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@@ -1704,29 +1704,84 @@ static VkDescriptorSet d3d12_command_list_allocate_descriptor_set(struct d3d12_c
}
static void d3d12_command_list_copy_descriptors(struct d3d12_command_list *list,
const struct d3d12_root_signature *root_signature, VkDescriptorSet dst_set, VkDescriptorSet src_set)
const struct vkd3d_pipeline_bindings *bindings, VkDescriptorSet src_set)
{
const struct d3d12_root_signature *root_signature = bindings->root_signature;
const struct vkd3d_vk_device_procs *vk_procs = &list->device->vk_procs;
unsigned int count = root_signature->copy_descriptor_count;
const struct vkd3d_vulkan_info *vk_info = &list->device->vk_info;
const struct d3d12_root_descriptor_table *descriptor_table;
const struct d3d12_root_descriptor_table_range *range;
VkDevice vk_device = list->device->vk_device;
VkCopyDescriptorSet *descriptor_copies;
unsigned int i;
unsigned int i, j, count;
unsigned int idx;
count = 0;
if (!vk_info->KHR_push_descriptor)
count += root_signature->root_descriptor_count;
for (i = 0; i < root_signature->parameter_count; ++i)
{
if (root_signature->parameters[i].parameter_type != D3D12_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE)
continue;
if (bindings->descriptor_table_dirty_mask & ((uint64_t)1 << i))
continue;
descriptor_table = &root_signature->parameters[i].u.descriptor_table;
count += descriptor_table->range_count;
}
if (!count)
return;
if (!(descriptor_copies = vkd3d_calloc(count, sizeof(*descriptor_copies))))
return;
for (i = 0; i < count; ++i)
idx = 0;
if (!vk_info->KHR_push_descriptor)
{
descriptor_copies[i].sType = VK_STRUCTURE_TYPE_COPY_DESCRIPTOR_SET;
descriptor_copies[i].pNext = NULL;
descriptor_copies[i].srcSet = src_set;
descriptor_copies[i].srcBinding = i;
descriptor_copies[i].srcArrayElement = 0;
descriptor_copies[i].dstSet = dst_set;
descriptor_copies[i].dstBinding = i;
descriptor_copies[i].dstArrayElement = 0;
descriptor_copies[i].descriptorCount = 1;
for (i = 0; i < root_signature->root_descriptor_count; ++i)
{
descriptor_copies[idx].sType = VK_STRUCTURE_TYPE_COPY_DESCRIPTOR_SET;
descriptor_copies[idx].pNext = NULL;
descriptor_copies[idx].srcSet = src_set;
descriptor_copies[idx].srcBinding = i;
descriptor_copies[idx].srcArrayElement = 0;
descriptor_copies[idx].dstSet = bindings->descriptor_set;
descriptor_copies[idx].dstBinding = i;
descriptor_copies[idx].dstArrayElement = 0;
descriptor_copies[idx].descriptorCount = 1;
++idx;
}
}
for (i = 0; i < root_signature->parameter_count; ++i)
{
if (root_signature->parameters[i].parameter_type != D3D12_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE)
continue;
if (bindings->descriptor_table_dirty_mask & ((uint64_t)1 << i))
continue;
descriptor_table = &root_signature->parameters[i].u.descriptor_table;
for (j = 0; j < descriptor_table->range_count; ++j)
{
range = &descriptor_table->ranges[j];
descriptor_copies[idx].sType = VK_STRUCTURE_TYPE_COPY_DESCRIPTOR_SET;
descriptor_copies[idx].pNext = NULL;
descriptor_copies[idx].srcSet = src_set;
descriptor_copies[idx].srcBinding = range->binding;
descriptor_copies[idx].srcArrayElement = 0;
descriptor_copies[idx].dstSet = bindings->descriptor_set;
descriptor_copies[idx].dstBinding = range->binding;
descriptor_copies[idx].dstArrayElement = 0;
descriptor_copies[idx].descriptorCount = 1;
if (range->descriptor_magic == VKD3D_DESCRIPTOR_MAGIC_SRV
|| range->descriptor_magic == VKD3D_DESCRIPTOR_MAGIC_UAV)
descriptor_copies[idx].descriptorCount = 2 * range->descriptor_count;
else
descriptor_copies[idx].descriptorCount = range->descriptor_count;
++idx;
}
}
assert(count == idx);
VK_CALL(vkUpdateDescriptorSets(vk_device, 0, NULL, count, descriptor_copies));
vkd3d_free(descriptor_copies);
@@ -1759,8 +1814,7 @@ static void d3d12_command_list_prepare_descriptors(struct d3d12_command_list *li
bindings->in_use = false;
if (previous_descriptor_set)
d3d12_command_list_copy_descriptors(list, root_signature,
bindings->descriptor_set, previous_descriptor_set);
d3d12_command_list_copy_descriptors(list, bindings, previous_descriptor_set);
}
static bool vk_write_descriptor_set_from_d3d12_desc(VkWriteDescriptorSet *vk_descriptor_write,