dzn: Allocate descriptor sets in buffers for bindless mode

Modify the root signature stored in the pipeline layout too.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21913>
This commit is contained in:
Jesse Natalie 2023-03-02 19:58:09 -08:00 committed by Marge Bot
parent a1881bc7ee
commit 5d2b4ee4f4
3 changed files with 438 additions and 133 deletions

View file

@ -27,6 +27,8 @@
#include "vk_descriptors.h"
#include "vk_util.h"
#include "dxil_spirv_nir.h"
#include "util/mesa-sha1.h"
static uint32_t
@ -89,6 +91,13 @@ is_dynamic_desc_type(VkDescriptorType desc_type)
desc_type == VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC);
}
static bool
is_buffer_desc_type_without_view(VkDescriptorType desc_type)
{
return (desc_type == VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER ||
desc_type == VK_DESCRIPTOR_TYPE_STORAGE_BUFFER);
}
static bool
dzn_descriptor_type_depends_on_shader_usage(VkDescriptorType type, bool bindless)
{
@ -144,6 +153,7 @@ dzn_descriptor_set_layout_create(struct dzn_device *device,
const VkDescriptorSetLayoutBinding *bindings = pCreateInfo->pBindings;
uint32_t binding_count = 0, static_sampler_count = 0, total_ranges = 0;
uint32_t dynamic_ranges_offset = 0, immutable_sampler_count = 0;
uint32_t dynamic_buffer_count = 0;
uint32_t range_count[MAX_SHADER_VISIBILITIES][NUM_POOL_TYPES] = { 0 };
for (uint32_t i = 0; i < pCreateInfo->bindingCount; i++) {
@ -152,7 +162,8 @@ dzn_descriptor_set_layout_create(struct dzn_device *device,
if (!bindings[i].descriptorCount)
continue;
D3D12_SHADER_VISIBILITY visibility =
D3D12_SHADER_VISIBILITY visibility = device->bindless ?
D3D12_SHADER_VISIBILITY_ALL :
translate_desc_visibility(bindings[i].stageFlags);
VkDescriptorType desc_type = bindings[i].descriptorType;
bool has_sampler = dzn_desc_type_has_sampler(desc_type);
@ -183,7 +194,8 @@ dzn_descriptor_set_layout_create(struct dzn_device *device,
if (static_sampler) {
static_sampler_count += bindings[i].descriptorCount;
} else if (has_sampler) {
range_count[visibility][D3D12_DESCRIPTOR_HEAP_TYPE_SAMPLER]++;
unsigned type = device->bindless ? D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV : D3D12_DESCRIPTOR_HEAP_TYPE_SAMPLER;
range_count[visibility][type]++;
total_ranges++;
if (immutable_samplers)
@ -199,11 +211,12 @@ dzn_descriptor_set_layout_create(struct dzn_device *device,
total_ranges++;
}
if (!is_dynamic_desc_type(desc_type)) {
uint32_t factor =
dzn_descriptor_type_depends_on_shader_usage(desc_type, device->bindless) ? 2 : 1;
uint32_t factor =
dzn_descriptor_type_depends_on_shader_usage(desc_type, device->bindless) ? 2 : 1;
if (is_dynamic_desc_type(desc_type))
dynamic_buffer_count += bindings[i].descriptorCount * factor;
else
dynamic_ranges_offset += bindings[i].descriptorCount * factor;
}
}
}
@ -232,6 +245,7 @@ dzn_descriptor_set_layout_create(struct dzn_device *device,
set_layout->bindings = binfos;
set_layout->binding_count = binding_count;
set_layout->dynamic_buffers.range_offset = dynamic_ranges_offset;
set_layout->buffer_count = dynamic_buffer_count;
for (uint32_t i = 0; i < MAX_SHADER_VISIBILITIES; i++) {
dzn_foreach_pool_type (type) {
@ -264,7 +278,7 @@ dzn_descriptor_set_layout_create(struct dzn_device *device,
for (uint32_t i = 0; i < binding_count; i++) {
binfos[i].immutable_sampler_idx = ~0;
binfos[i].dynamic_buffer_idx = ~0;
binfos[i].buffer_idx = ~0;
dzn_foreach_pool_type (type)
binfos[i].range_idx[type] = ~0;
}
@ -280,7 +294,8 @@ dzn_descriptor_set_layout_create(struct dzn_device *device,
bool has_static_sampler = has_immutable_samplers && desc_count == 1;
bool is_dynamic = is_dynamic_desc_type(desc_type);
D3D12_SHADER_VISIBILITY visibility =
D3D12_SHADER_VISIBILITY visibility = device->bindless ?
D3D12_SHADER_VISIBILITY_ALL :
translate_desc_visibility(ordered_bindings[i].stageFlags);
binfos[binding].type = desc_type;
binfos[binding].stages =
@ -312,6 +327,13 @@ dzn_descriptor_set_layout_create(struct dzn_device *device,
desc->ShaderRegister = binfos[binding].base_shader_register;
desc->ShaderVisibility = translate_desc_visibility(ordered_bindings[i].stageFlags);
desc->Flags = sampler->desc.Flags;
if (device->bindless && desc_type == VK_DESCRIPTOR_TYPE_SAMPLER) {
/* Avoid using space in the descriptor set buffer for pure static samplers. The meaning
* of base register index is different for them - it's just an ID to map to the root
* signature, as opposed to all other bindings where it's an offset into the buffer. */
binfos[binding].base_shader_register = desc->ShaderRegister = static_sampler_idx;
base_register--;
}
static_sampler_idx++;
} else {
has_static_sampler = false;
@ -328,11 +350,14 @@ dzn_descriptor_set_layout_create(struct dzn_device *device,
}
if (is_dynamic) {
binfos[binding].dynamic_buffer_idx = dynamic_buffer_idx;
binfos[binding].buffer_idx = dynamic_buffer_idx;
for (uint32_t d = 0; d < desc_count; d++)
set_layout->dynamic_buffers.bindings[dynamic_buffer_idx + d] = binding;
dynamic_buffer_idx += desc_count;
assert(dynamic_buffer_idx <= MAX_DYNAMIC_BUFFERS);
} else if (is_buffer_desc_type_without_view(desc_type)) {
binfos[binding].buffer_idx = set_layout->buffer_count;
set_layout->buffer_count += desc_count;
}
if (!ordered_bindings[i].descriptorCount)
@ -346,9 +371,9 @@ dzn_descriptor_set_layout_create(struct dzn_device *device,
bool has_range[NUM_POOL_TYPES] = { 0 };
has_range[D3D12_DESCRIPTOR_HEAP_TYPE_SAMPLER] =
has_sampler && !has_static_sampler;
has_sampler && !has_static_sampler && !device->bindless;
has_range[D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV] =
desc_type != VK_DESCRIPTOR_TYPE_SAMPLER;
desc_type != VK_DESCRIPTOR_TYPE_SAMPLER || (device->bindless && !has_static_sampler);
dzn_foreach_pool_type (type) {
if (!has_range[type]) continue;
@ -418,6 +443,9 @@ dzn_descriptor_set_layout_get_heap_offset(const struct dzn_descriptor_set_layout
assert(visibility < ARRAY_SIZE(layout->ranges));
assert(type < NUM_POOL_TYPES);
if (bindless)
type = D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV;
uint32_t range_idx = layout->bindings[b].range_idx[type];
if (range_idx == ~0)
@ -483,9 +511,9 @@ dzn_GetDescriptorSetLayoutSupport(VkDevice _device,
other_desc_count += bindings[i].descriptorCount;
}
pSupport->supported =
sampler_count <= MAX_DESCS_PER_SAMPLER_HEAP &&
other_desc_count <= MAX_DESCS_PER_CBV_SRV_UAV_HEAP;
pSupport->supported = device->bindless ||
(sampler_count <= MAX_DESCS_PER_SAMPLER_HEAP &&
other_desc_count <= MAX_DESCS_PER_CBV_SRV_UAV_HEAP);
}
static void
@ -616,20 +644,25 @@ dzn_pipeline_layout_create(struct dzn_device *device,
layout->desc_count[D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV] += set_layout->dynamic_buffers.count;
for (uint32_t o = 0, elem = 0; o < set_layout->dynamic_buffers.count; o++, elem++) {
uint32_t b = set_layout->dynamic_buffers.bindings[o];
if (device->bindless) {
layout->sets[j].dynamic_buffer_heap_offsets[o].primary = layout->dynamic_buffer_count++;
layout->sets[j].dynamic_buffer_heap_offsets[o].alt = ~0;
} else {
uint32_t b = set_layout->dynamic_buffers.bindings[o];
if (o > 0 && set_layout->dynamic_buffers.bindings[o - 1] != b)
elem = 0;
if (o > 0 && set_layout->dynamic_buffers.bindings[o - 1] != b)
elem = 0;
uint32_t heap_offset =
dzn_descriptor_set_layout_get_heap_offset(set_layout, b, D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV,
false, device->bindless);
uint32_t alt_heap_offset =
dzn_descriptor_set_layout_get_heap_offset(set_layout, b, D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV,
true, device->bindless);
uint32_t heap_offset =
dzn_descriptor_set_layout_get_heap_offset(set_layout, b, D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV,
false, false);
uint32_t alt_heap_offset =
dzn_descriptor_set_layout_get_heap_offset(set_layout, b, D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV,
true, false);
layout->sets[j].dynamic_buffer_heap_offsets[o].primary = heap_offset != ~0 ? heap_offset + elem : ~0;
layout->sets[j].dynamic_buffer_heap_offsets[o].alt = alt_heap_offset != ~0 ? alt_heap_offset + elem : ~0;
layout->sets[j].dynamic_buffer_heap_offsets[o].primary = heap_offset != ~0 ? heap_offset + elem : ~0;
layout->sets[j].dynamic_buffer_heap_offsets[o].alt = alt_heap_offset != ~0 ? alt_heap_offset + elem : ~0;
}
}
}
@ -659,38 +692,62 @@ dzn_pipeline_layout_create(struct dzn_device *device,
D3D12_ROOT_PARAMETER1 *root_param;
ASSERTED uint32_t root_dwords = 0;
for (uint32_t i = 0; i < MAX_SHADER_VISIBILITIES; i++) {
dzn_foreach_pool_type (type) {
root_param = &root_params[layout->root.param_count];
root_param->ParameterType = D3D12_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE;
root_param->DescriptorTable.pDescriptorRanges = range_ptr;
root_param->DescriptorTable.NumDescriptorRanges = 0;
root_param->ShaderVisibility = (D3D12_SHADER_VISIBILITY)i;
if (device->bindless) {
for (uint32_t j = 0; j < pCreateInfo->setLayoutCount; j++) {
root_param = &root_params[layout->root.param_count++];
root_param->ParameterType = D3D12_ROOT_PARAMETER_TYPE_SRV;
root_param->Descriptor.RegisterSpace = 0;
root_param->Descriptor.ShaderRegister = j;
root_param->Descriptor.Flags = D3D12_ROOT_DESCRIPTOR_FLAG_DATA_VOLATILE;
root_param->ShaderVisibility = D3D12_SHADER_VISIBILITY_ALL;
root_dwords += 2;
}
} else {
for (uint32_t i = 0; i < MAX_SHADER_VISIBILITIES; i++) {
dzn_foreach_pool_type(type) {
root_param = &root_params[layout->root.param_count];
root_param->ParameterType = D3D12_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE;
root_param->DescriptorTable.pDescriptorRanges = range_ptr;
root_param->DescriptorTable.NumDescriptorRanges = 0;
root_param->ShaderVisibility = (D3D12_SHADER_VISIBILITY)i;
for (uint32_t j = 0; j < pCreateInfo->setLayoutCount; j++) {
VK_FROM_HANDLE(dzn_descriptor_set_layout, set_layout, pCreateInfo->pSetLayouts[j]);
uint32_t range_count = set_layout->range_count[i][type];
for (uint32_t j = 0; j < pCreateInfo->setLayoutCount; j++) {
VK_FROM_HANDLE(dzn_descriptor_set_layout, set_layout, pCreateInfo->pSetLayouts[j]);
uint32_t range_count = set_layout->range_count[i][type];
memcpy(range_ptr, set_layout->ranges[i][type],
range_count * sizeof(D3D12_DESCRIPTOR_RANGE1));
for (uint32_t k = 0; k < range_count; k++) {
range_ptr[k].RegisterSpace = j;
range_ptr[k].OffsetInDescriptorsFromTableStart +=
layout->sets[j].heap_offsets[type];
memcpy(range_ptr, set_layout->ranges[i][type],
range_count * sizeof(D3D12_DESCRIPTOR_RANGE1));
for (uint32_t k = 0; k < range_count; k++) {
range_ptr[k].RegisterSpace = j;
range_ptr[k].OffsetInDescriptorsFromTableStart +=
layout->sets[j].heap_offsets[type];
}
root_param->DescriptorTable.NumDescriptorRanges += range_count;
range_ptr += range_count;
}
root_param->DescriptorTable.NumDescriptorRanges += range_count;
range_ptr += range_count;
}
if (root_param->DescriptorTable.NumDescriptorRanges) {
layout->root.type[layout->root.param_count++] = (D3D12_DESCRIPTOR_HEAP_TYPE)type;
root_dwords++;
if (root_param->DescriptorTable.NumDescriptorRanges) {
layout->root.type[layout->root.param_count++] = (D3D12_DESCRIPTOR_HEAP_TYPE)type;
root_dwords++;
}
}
}
}
layout->root.sets_param_count = layout->root.param_count;
if (layout->dynamic_buffer_count > 0 && device->bindless) {
layout->root.dynamic_buffer_bindless_param_idx = layout->root.param_count;
D3D12_ROOT_PARAMETER1 *root_param = &root_params[layout->root.param_count++];
root_param->ParameterType = D3D12_ROOT_PARAMETER_TYPE_SRV;
root_param->Descriptor.RegisterSpace = 0;
root_param->Descriptor.ShaderRegister = layout->root.sets_param_count;
root_param->Descriptor.Flags = D3D12_ROOT_DESCRIPTOR_FLAG_DATA_STATIC;
root_param->ShaderVisibility = D3D12_SHADER_VISIBILITY_ALL;
root_dwords += 2;
}
/* Add our sysval CBV, and make it visible to all shaders */
layout->root.sysval_cbv_param_idx = layout->root.param_count;
root_param = &root_params[layout->root.param_count++];
@ -759,6 +816,9 @@ dzn_pipeline_layout_create(struct dzn_device *device,
};
/* TODO Only enable this flag when needed (optimization) */
D3D12_ROOT_SIGNATURE_FLAGS root_flags = D3D12_ROOT_SIGNATURE_FLAG_ALLOW_INPUT_ASSEMBLER_INPUT_LAYOUT;
if (device->bindless)
root_flags |= D3D12_ROOT_SIGNATURE_FLAG_SAMPLER_HEAP_DIRECTLY_INDEXED |
D3D12_ROOT_SIGNATURE_FLAG_CBV_SRV_UAV_HEAP_DIRECTLY_INDEXED;
#if D3D12_SDK_VERSION >= 609
if (pdev->root_sig_version >= D3D_ROOT_SIGNATURE_VERSION_1_2) {
root_sig_desc.Desc_1_2 = (D3D12_ROOT_SIGNATURE_DESC2){
@ -987,6 +1047,111 @@ dzn_descriptor_heap_write_buffer_desc(struct dzn_device *device,
}
}
static void
dzn_bindless_descriptor_set_write_sampler_desc(struct dxil_spirv_bindless_entry *map,
uint32_t desc_offset,
const struct dzn_sampler *sampler)
{
map[desc_offset].sampler_idx = sampler->bindless_slot;
}
static void
dzn_bindless_descriptor_set_write_image_view_desc(struct dxil_spirv_bindless_entry *map,
VkDescriptorType type,
uint32_t desc_offset,
const struct dzn_image_view *iview)
{
switch (type) {
case VK_DESCRIPTOR_TYPE_STORAGE_IMAGE:
map[desc_offset].texture_idx = iview->uav_bindless_slot;
break;
case VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT:
case VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE:
case VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER:
map[desc_offset].texture_idx = iview->srv_bindless_slot;
break;
default:
unreachable("Unexpected descriptor type");
}
}
static void
dzn_bindless_descriptor_set_write_buffer_view_desc(struct dxil_spirv_bindless_entry *map,
VkDescriptorType type,
uint32_t desc_offset,
const struct dzn_buffer_view *bview)
{
switch (type) {
case VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER:
map[desc_offset].texture_idx = bview->srv_bindless_slot;
break;
case VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER:
map[desc_offset].texture_idx = bview->uav_bindless_slot;
break;
default:
unreachable("Unexpected descriptor type");
}
}
static bool
need_custom_buffer_descriptor(struct dzn_device *device, const struct dzn_buffer_desc *info)
{
if (info->type == VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER ||
info->type == VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC) {
uint64_t upper_bound = info->range == VK_WHOLE_SIZE ? info->buffer->size :
info->offset + info->range;
/* The buffer's default CBV only addresses the first 64KiB. If this view needs a higher
* upper bound, then we need a custom descriptor. */
if (upper_bound > D3D12_REQ_CONSTANT_BUFFER_ELEMENT_COUNT * 4 * sizeof(float)) {
/* It's invalid to use WHOLE_SIZE if it would address more than 64KiB, so if they're
* using it on a buffer that large, it better have an offset. */
assert(info->range != VK_WHOLE_SIZE || info->offset > 0);
return true;
}
}
/* Addressing the whole buffer, no custom descriptor needed. */
if (info->range == VK_WHOLE_SIZE ||
info->offset + info->range == info->buffer->size)
return false;
/* We need proper out-of-bounds behavior, we need a descriptor with the right size. */
if (device->vk.enabled_features.robustBufferAccess ||
device->vk.enabled_features.robustBufferAccess2)
return true;
/* We can just apply an offset in the shader */
return false;
}
static void
dzn_bindless_descriptor_set_write_buffer_desc(struct dzn_device *device,
struct dxil_spirv_bindless_entry *map,
uint32_t desc_offset,
const struct dzn_buffer_desc *info)
{
if (!need_custom_buffer_descriptor(device, info)) {
switch (info->type) {
case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER:
map[desc_offset].buffer_idx = info->buffer->cbv_bindless_slot;
break;
case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER:
map[desc_offset].buffer_idx = info->buffer->uav_bindless_slot;
break;
default:
unreachable("Unexpected descriptor type");
}
map[desc_offset].buffer_offset = info->offset;
if (*info->bindless_descriptor_slot >= 0)
dzn_device_descriptor_heap_free_slot(device, D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV, *info->bindless_descriptor_slot);
} else {
if (*info->bindless_descriptor_slot < 0)
*info->bindless_descriptor_slot =
dzn_device_descriptor_heap_alloc_slot(device, D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV);
dzn_descriptor_heap_write_buffer_desc(device, &device->device_heaps[D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV].heap,
*info->bindless_descriptor_slot, info->type == VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, info);
map[desc_offset].buffer_idx = *info->bindless_descriptor_slot;
map[desc_offset].buffer_offset = 0;
}
}
void
dzn_descriptor_heap_copy(struct dzn_device *device,
struct dzn_descriptor_heap *dst_heap,
@ -1113,11 +1278,16 @@ dzn_descriptor_set_write_sampler_desc(struct dzn_device *device,
return;
D3D12_DESCRIPTOR_HEAP_TYPE type = D3D12_DESCRIPTOR_HEAP_TYPE_SAMPLER;
dzn_descriptor_heap_write_sampler_desc(device,
&set->pool->heaps[type],
set->heap_offsets[type] + heap_offset,
sampler);
if (device->bindless) {
dzn_bindless_descriptor_set_write_sampler_desc(set->pool->bindless.map,
set->heap_offsets[0] + heap_offset,
sampler);
} else {
dzn_descriptor_heap_write_sampler_desc(device,
&set->pool->heaps[type],
set->heap_offsets[type] + heap_offset,
sampler);
}
}
static void
@ -1134,13 +1304,13 @@ dzn_descriptor_set_ptr_write_sampler_desc(struct dzn_device *device,
}
static uint32_t
dzn_descriptor_set_ptr_get_dynamic_buffer_idx(const struct dzn_descriptor_set_layout *layout,
const struct dzn_descriptor_set_ptr *ptr)
dzn_descriptor_set_ptr_get_buffer_idx(const struct dzn_descriptor_set_layout *layout,
const struct dzn_descriptor_set_ptr *ptr)
{
if (ptr->binding == ~0)
return ~0;
uint32_t base = layout->bindings[ptr->binding].dynamic_buffer_idx;
uint32_t base = layout->bindings[ptr->binding].buffer_idx;
if (base == ~0)
return ~0;
@ -1149,26 +1319,41 @@ dzn_descriptor_set_ptr_get_dynamic_buffer_idx(const struct dzn_descriptor_set_la
}
static void
dzn_descriptor_set_write_dynamic_buffer_desc(struct dzn_descriptor_set *set,
dzn_descriptor_set_write_dynamic_buffer_desc(struct dzn_device *device,
struct dzn_descriptor_set *set,
uint32_t dynamic_buffer_idx,
const struct dzn_buffer_desc *info)
{
if (dynamic_buffer_idx == ~0)
return;
if (device->bindless) {
if (!need_custom_buffer_descriptor(device, info)) {
if (*info->bindless_descriptor_slot >= 0)
dzn_device_descriptor_heap_free_slot(device, D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV, *info->bindless_descriptor_slot);
} else {
if (*info->bindless_descriptor_slot < 0)
*info->bindless_descriptor_slot =
dzn_device_descriptor_heap_alloc_slot(device, D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV);
dzn_descriptor_heap_write_buffer_desc(device, &device->device_heaps[D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV].heap,
*info->bindless_descriptor_slot, info->type == VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, info);
}
}
assert(dynamic_buffer_idx < set->layout->dynamic_buffers.count);
set->dynamic_buffers[dynamic_buffer_idx] = *info;
}
static void
dzn_descriptor_set_ptr_write_dynamic_buffer_desc(struct dzn_descriptor_set *set,
dzn_descriptor_set_ptr_write_dynamic_buffer_desc(struct dzn_device *device,
struct dzn_descriptor_set *set,
const struct dzn_descriptor_set_ptr *ptr,
const struct dzn_buffer_desc *info)
{
uint32_t dynamic_buffer_idx =
dzn_descriptor_set_ptr_get_dynamic_buffer_idx(set->layout, ptr);
dzn_descriptor_set_ptr_get_buffer_idx(set->layout, ptr);
dzn_descriptor_set_write_dynamic_buffer_desc(set, dynamic_buffer_idx, info);
dzn_descriptor_set_write_dynamic_buffer_desc(device, set, dynamic_buffer_idx, info);
}
static VkDescriptorType
@ -1195,6 +1380,14 @@ dzn_descriptor_set_write_image_view_desc(struct dzn_device *device,
if (heap_offset == ~0)
return;
if (device->bindless) {
dzn_bindless_descriptor_set_write_image_view_desc(set->pool->bindless.map,
desc_type,
set->heap_offsets[0] + heap_offset,
iview);
return;
}
bool primary_writable = desc_type == VK_DESCRIPTOR_TYPE_STORAGE_IMAGE;
dzn_descriptor_heap_write_image_view_desc(device,
@ -1242,6 +1435,14 @@ dzn_descriptor_set_write_buffer_view_desc(struct dzn_device *device,
if (heap_offset == ~0)
return;
if (device->bindless) {
dzn_bindless_descriptor_set_write_buffer_view_desc(set->pool->bindless.map,
desc_type,
set->heap_offsets[0] + heap_offset,
bview);
return;
}
D3D12_DESCRIPTOR_HEAP_TYPE type = D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV;
bool primary_writable = desc_type == VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER;
@ -1289,6 +1490,14 @@ dzn_descriptor_set_write_buffer_desc(struct dzn_device *device,
if (heap_offset == ~0)
return;
if (device->bindless) {
dzn_bindless_descriptor_set_write_buffer_desc(device,
set->pool->bindless.map,
set->heap_offsets[0] + heap_offset,
bdesc);
return;
}
bool primary_writable = desc_type == VK_DESCRIPTOR_TYPE_STORAGE_BUFFER;
dzn_descriptor_heap_write_buffer_desc(device, &set->pool->heaps[type],
@ -1320,7 +1529,7 @@ dzn_descriptor_set_ptr_write_buffer_desc(struct dzn_device *device,
dzn_descriptor_set_write_buffer_desc(device, desc_type, set, heap_offset, alt_heap_offset, bdesc);
}
static void
static VkResult
dzn_descriptor_set_init(struct dzn_descriptor_set *set,
struct dzn_device *device,
struct dzn_descriptor_pool *pool,
@ -1329,6 +1538,15 @@ dzn_descriptor_set_init(struct dzn_descriptor_set *set,
{
vk_object_base_init(&device->vk, &set->base, VK_OBJECT_TYPE_DESCRIPTOR_SET);
if (device->bindless && layout->buffer_count) {
set->buffer_heap_slots = malloc(sizeof(int) * layout->buffer_count);
if (!set->buffer_heap_slots) {
vk_object_base_finish(&set->base);
return vk_error(device, VK_ERROR_OUT_OF_HOST_MEMORY);
}
memset(set->buffer_heap_slots, 0xff, sizeof(int) * layout->buffer_count);
}
set->pool = pool;
set->layout = layout;
@ -1360,12 +1578,21 @@ dzn_descriptor_set_init(struct dzn_descriptor_set *set,
}
}
}
return VK_SUCCESS;
}
static void
dzn_descriptor_set_finish(struct dzn_descriptor_set *set)
{
vk_object_base_finish(&set->base);
if (set->buffer_heap_slots) {
struct dzn_device *device = container_of(set->base.device, struct dzn_device, vk);
for (uint32_t i = 0; i < set->layout->buffer_count; ++i)
dzn_device_descriptor_heap_free_slot(device, D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV,
set->buffer_heap_slots[i]);
}
free(set->buffer_heap_slots);
set->buffer_heap_slots = NULL;
set->pool = NULL;
set->layout = NULL;
}
@ -1379,9 +1606,14 @@ dzn_descriptor_pool_destroy(struct dzn_descriptor_pool *pool,
struct dzn_device *device = container_of(pool->base.device, struct dzn_device, vk);
dzn_foreach_pool_type (type) {
if (pool->desc_count[type])
dzn_descriptor_heap_finish(&pool->heaps[type]);
if (device->bindless) {
if (pool->bindless.buf)
ID3D12Resource_Release(pool->bindless.buf);
} else {
dzn_foreach_pool_type(type) {
if (pool->desc_count[type])
dzn_descriptor_heap_finish(&pool->heaps[type]);
}
}
vk_object_base_finish(&pool->base);
@ -1412,43 +1644,75 @@ dzn_descriptor_pool_create(struct dzn_device *device,
VkDescriptorType type = pCreateInfo->pPoolSizes[p].type;
uint32_t num_desc = pCreateInfo->pPoolSizes[p].descriptorCount;
switch (type) {
case VK_DESCRIPTOR_TYPE_SAMPLER:
pool->desc_count[D3D12_DESCRIPTOR_HEAP_TYPE_SAMPLER] += num_desc;
break;
case VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER:
pool->desc_count[D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV] += num_desc;
pool->desc_count[D3D12_DESCRIPTOR_HEAP_TYPE_SAMPLER] += num_desc;
break;
case VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE:
case VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER:
case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER:
case VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT:
pool->desc_count[D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV] += num_desc;
break;
case VK_DESCRIPTOR_TYPE_STORAGE_IMAGE:
case VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER:
case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER:
/* Reserve one UAV and one SRV slot for those. */
pool->desc_count[D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV] += num_desc * 2;
break;
case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC:
case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC:
break;
default:
unreachable("Unsupported desc type");
if (device->bindless) {
switch (type) {
case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC:
case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC:
break;
default:
pool->desc_count[0] += num_desc;
break;
}
} else {
switch (type) {
case VK_DESCRIPTOR_TYPE_SAMPLER:
pool->desc_count[D3D12_DESCRIPTOR_HEAP_TYPE_SAMPLER] += num_desc;
break;
case VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER:
pool->desc_count[D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV] += num_desc;
pool->desc_count[D3D12_DESCRIPTOR_HEAP_TYPE_SAMPLER] += num_desc;
break;
case VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE:
case VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER:
case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER:
case VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT:
pool->desc_count[D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV] += num_desc;
break;
case VK_DESCRIPTOR_TYPE_STORAGE_IMAGE:
case VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER:
case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER:
/* Reserve one UAV and one SRV slot for those. */
pool->desc_count[D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV] += num_desc * 2;
break;
case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC:
case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC:
break;
default:
unreachable("Unsupported desc type");
}
}
}
dzn_foreach_pool_type (type) {
if (!pool->desc_count[type])
continue;
if (device->bindless) {
if (pool->desc_count[0]) {
/* Going to raw APIs to avoid allocating descriptors for this */
D3D12_RESOURCE_DESC buf_desc = {
.Dimension = D3D12_RESOURCE_DIMENSION_BUFFER,
.Width = pool->desc_count[0] * sizeof(struct dxil_spirv_bindless_entry),
.Height = 1, .DepthOrArraySize = 1,
.MipLevels = 1, .SampleDesc = {.Count = 1},
.Layout = D3D12_TEXTURE_LAYOUT_ROW_MAJOR
};
D3D12_HEAP_PROPERTIES heap_props = { .Type = D3D12_HEAP_TYPE_UPLOAD };
if (FAILED(ID3D12Device_CreateCommittedResource(device->dev, &heap_props, 0, &buf_desc, D3D12_RESOURCE_STATE_GENERIC_READ,
NULL, &IID_ID3D12Resource, (void **)&pool->bindless.buf))) {
dzn_descriptor_pool_destroy(pool, pAllocator);
return vk_error(device, VK_ERROR_OUT_OF_DEVICE_MEMORY);
}
pool->bindless.gpuva = ID3D12Resource_GetGPUVirtualAddress(pool->bindless.buf);
ID3D12Resource_Map(pool->bindless.buf, 0, NULL, (void **)&pool->bindless.map);
}
} else {
dzn_foreach_pool_type(type) {
if (!pool->desc_count[type])
continue;
VkResult result =
dzn_descriptor_heap_init(&pool->heaps[type], device, type, pool->desc_count[type], false);
if (result != VK_SUCCESS) {
dzn_descriptor_pool_destroy(pool, pAllocator);
return result;
VkResult result =
dzn_descriptor_heap_init(&pool->heaps[type], device, type, pool->desc_count[type], false);
if (result != VK_SUCCESS) {
dzn_descriptor_pool_destroy(pool, pAllocator);
return result;
}
}
}
@ -1658,7 +1922,12 @@ dzn_AllocateDescriptorSets(VkDevice dev,
}
}
dzn_descriptor_set_init(set, device, pool, layout, is_reuse);
VkResult result = dzn_descriptor_set_init(set, device, pool, layout, is_reuse);
if (result != VK_SUCCESS) {
dzn_FreeDescriptorSets(dev, pAllocateInfo->descriptorPool, i, pDescriptorSets);
return result;
}
pool->used_set_count = MAX2(pool->used_set_count, set_idx + 1);
dzn_foreach_pool_type(type)
pool->used_desc_count[type] += layout->range_desc_count[type];
@ -1785,7 +2054,8 @@ dzn_descriptor_set_write(struct dzn_device *device,
struct dzn_buffer_desc desc = {
pDescriptorWrite->descriptorType,
dzn_buffer_from_handle(binfo->buffer),
binfo->range, binfo->offset
binfo->range, binfo->offset,
&set->buffer_heap_slots[dzn_descriptor_set_ptr_get_buffer_idx(set->layout, &ptr)]
};
if (desc.buffer)
@ -1804,11 +2074,12 @@ dzn_descriptor_set_write(struct dzn_device *device,
struct dzn_buffer_desc desc = {
pDescriptorWrite->descriptorType,
dzn_buffer_from_handle(binfo->buffer),
binfo->range, binfo->offset
binfo->range, binfo->offset,
&set->buffer_heap_slots[set->layout->bindings[ptr.binding].buffer_idx]
};
if (desc.buffer)
dzn_descriptor_set_ptr_write_dynamic_buffer_desc(set, &ptr, &desc);
dzn_descriptor_set_ptr_write_dynamic_buffer_desc(device, set, &ptr, &desc);
d++;
}
@ -1870,9 +2141,9 @@ dzn_descriptor_set_copy(struct dzn_device *device,
if (src_type == VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC ||
src_type == VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC) {
uint32_t src_idx =
dzn_descriptor_set_ptr_get_dynamic_buffer_idx(src_set->layout, &src_ptr);
dzn_descriptor_set_ptr_get_buffer_idx(src_set->layout, &src_ptr);
uint32_t dst_idx =
dzn_descriptor_set_ptr_get_dynamic_buffer_idx(dst_set->layout, &dst_ptr);
dzn_descriptor_set_ptr_get_buffer_idx(dst_set->layout, &dst_ptr);
memcpy(&dst_set->dynamic_buffers[dst_idx],
&src_set->dynamic_buffers[src_idx],
@ -1889,25 +2160,36 @@ dzn_descriptor_set_copy(struct dzn_device *device,
continue;
}
dzn_descriptor_heap_copy(device,
&dst_set->pool->heaps[type],
dst_set->heap_offsets[type] + dst_heap_offset,
&src_set->pool->heaps[type],
src_set->heap_offsets[type] + src_heap_offset,
count, type);
src_heap_offset += src_set->heap_offsets[type];
dst_heap_offset += dst_set->heap_offsets[type];
if (device->bindless) {
memcpy(&dst_set->pool->bindless.map[dst_heap_offset],
&src_set->pool->bindless.map[src_heap_offset],
sizeof(src_set->pool->bindless.map[0]) * count);
/* There's never a reason to loop and memcpy again for bindless */
break;
} else {
dzn_descriptor_heap_copy(device,
&dst_set->pool->heaps[type],
dst_heap_offset,
&src_set->pool->heaps[type],
src_heap_offset,
count, type);
}
if (dzn_descriptor_type_depends_on_shader_usage(src_type, device->bindless)) {
src_heap_offset =
src_heap_offset = dst_set->heap_offsets[type] +
dzn_descriptor_set_ptr_get_heap_offset(src_set->layout, type, &src_ptr, true, device->bindless);
dst_heap_offset =
dst_heap_offset = src_set->heap_offsets[type] +
dzn_descriptor_set_ptr_get_heap_offset(dst_set->layout, type, &dst_ptr, true, device->bindless);
assert(src_heap_offset != ~0);
assert(dst_heap_offset != ~0);
dzn_descriptor_heap_copy(device,
&dst_set->pool->heaps[type],
dst_set->heap_offsets[type] + dst_heap_offset,
dst_heap_offset,
&src_set->pool->heaps[type],
src_set->heap_offsets[type] + src_heap_offset,
src_heap_offset,
count, type);
}
}
@ -2024,11 +2306,12 @@ dzn_descriptor_update_template_create(struct dzn_device *device,
&ptr, false, device->bindless);
}
if (type == VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC ||
type == VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC) {
entry->dynamic_buffer_idx =
dzn_descriptor_set_ptr_get_dynamic_buffer_idx(set_layout, &ptr);
if (is_dynamic_desc_type(type)) {
entry->buffer_idx = dzn_descriptor_set_ptr_get_buffer_idx(set_layout, &ptr);
} else if (type != VK_DESCRIPTOR_TYPE_SAMPLER) {
if (is_buffer_desc_type_without_view(type))
entry->buffer_idx = dzn_descriptor_set_ptr_get_buffer_idx(set_layout, &ptr);
entry->heap_offsets.cbv_srv_uav =
dzn_descriptor_set_ptr_get_heap_offset(set_layout,
D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV,
@ -2157,11 +2440,13 @@ dzn_UpdateDescriptorSetWithTemplate(VkDevice _device,
struct dzn_buffer_desc desc = {
entry->type,
dzn_buffer_from_handle(info->buffer),
info->range, info->offset
info->range, info->offset,
&set->buffer_heap_slots[entry->buffer_idx],
};
if (desc.buffer)
dzn_descriptor_set_write_buffer_desc(device, entry->type, set, heap_offset, alt_heap_offset, &desc);
dzn_descriptor_set_write_buffer_desc(device, entry->type, set, heap_offset,
alt_heap_offset, &desc);
}
break;
@ -2170,16 +2455,17 @@ dzn_UpdateDescriptorSetWithTemplate(VkDevice _device,
for (uint32_t d = 0; d < entry->desc_count; d++) {
const VkDescriptorBufferInfo *info = (const VkDescriptorBufferInfo *)
dzn_descriptor_update_template_get_desc_data(templ, e, d, pData);
uint32_t dyn_buf_idx = entry->dynamic_buffer_idx + d;
uint32_t dyn_buf_idx = entry->buffer_idx + d;
struct dzn_buffer_desc desc = {
entry->type,
dzn_buffer_from_handle(info->buffer),
info->range, info->offset
info->range, info->offset,
&set->buffer_heap_slots[entry->buffer_idx]
};
if (desc.buffer)
dzn_descriptor_set_write_dynamic_buffer_desc(set, dyn_buf_idx, &desc);
dzn_descriptor_set_write_dynamic_buffer_desc(device, set, dyn_buf_idx, &desc);
}
break;

View file

@ -1603,6 +1603,7 @@ dzn_pipeline_init(struct dzn_pipeline *pipeline,
pipeline->root.sets_param_count = layout->root.sets_param_count;
pipeline->root.sysval_cbv_param_idx = layout->root.sysval_cbv_param_idx;
pipeline->root.push_constant_cbv_param_idx = layout->root.push_constant_cbv_param_idx;
pipeline->root.dynamic_buffer_bindless_param_idx = layout->root.dynamic_buffer_bindless_param_idx;
STATIC_ASSERT(sizeof(pipeline->root.type) == sizeof(layout->root.type));
memcpy(pipeline->root.type, layout->root.type, sizeof(pipeline->root.type));
pipeline->root.sig = layout->root.sig;
@ -1613,6 +1614,7 @@ dzn_pipeline_init(struct dzn_pipeline *pipeline,
STATIC_ASSERT(sizeof(layout->sets) == sizeof(pipeline->sets));
memcpy(pipeline->sets, layout->sets, sizeof(pipeline->sets));
pipeline->dynamic_buffer_count = layout->dynamic_buffer_count;
vk_object_base_init(&device->vk, &pipeline->base, VK_OBJECT_TYPE_PIPELINE);
ASSERTED uint32_t max_streamsz =

View file

@ -395,6 +395,9 @@ struct dzn_buffer_desc {
const struct dzn_buffer *buffer;
VkDeviceSize range;
VkDeviceSize offset;
/* Points to an array owned by the descriptor set.
* Value is -1 if the buffer's pre-allocated descriptor is used. */
int *bindless_descriptor_slot;
};
#define MAX_DESCS_PER_SAMPLER_HEAP 2048u
@ -665,6 +668,7 @@ struct dzn_cmd_buffer {
D3D12_BARRIER_ACCESS valid_access;
};
struct dxil_spirv_bindless_entry;
struct dzn_descriptor_pool {
struct vk_object_base base;
VkAllocationCallbacks alloc;
@ -672,7 +676,14 @@ struct dzn_descriptor_pool {
uint32_t set_count;
uint32_t used_set_count;
struct dzn_descriptor_set *sets;
struct dzn_descriptor_heap heaps[NUM_POOL_TYPES];
union {
struct dzn_descriptor_heap heaps[NUM_POOL_TYPES];
struct {
ID3D12Resource *buf;
struct dxil_spirv_bindless_entry *map;
uint64_t gpuva;
} bindless;
};
uint32_t desc_count[NUM_POOL_TYPES];
uint32_t used_desc_count[NUM_POOL_TYPES];
uint32_t free_offset[NUM_POOL_TYPES];
@ -690,8 +701,9 @@ struct dzn_descriptor_set_layout_binding {
/* For sampler types, index into the set layout's immutable sampler list,
* or ~0 for static samplers or dynamic samplers. */
uint32_t immutable_sampler_idx;
/* For dynamic buffer types, index into the set's dynamic buffer list */
uint32_t dynamic_buffer_idx;
/* For dynamic buffer types, index into the set's dynamic buffer list.
* For non-dynamic buffer types, index into the set's buffer descriptor slot list when bindless. */
uint32_t buffer_idx;
};
};
@ -740,6 +752,7 @@ struct dzn_descriptor_set_layout {
uint32_t count;
uint32_t range_offset;
} dynamic_buffers;
uint32_t buffer_count;
uint32_t stages;
uint32_t binding_count;
@ -756,6 +769,8 @@ struct dzn_descriptor_set {
uint32_t heap_sizes[NUM_POOL_TYPES];
/* Layout (and pool) is null for a freed descriptor set */
const struct dzn_descriptor_set_layout *layout;
/* When bindless, stores dynamically-allocated heap slots for buffers */
int *buffer_heap_slots;
};
struct dzn_pipeline_layout_set {
@ -781,11 +796,13 @@ struct dzn_pipeline_layout {
uint32_t set_count;
/* How much space needs to be allocated to copy descriptors during cmdbuf recording? */
uint32_t desc_count[NUM_POOL_TYPES];
uint32_t dynamic_buffer_count;
struct {
uint32_t param_count;
uint32_t sets_param_count;
uint32_t sysval_cbv_param_idx;
uint32_t push_constant_cbv_param_idx;
uint32_t dynamic_buffer_bindless_param_idx;
D3D12_DESCRIPTOR_HEAP_TYPE type[MAX_SHADER_VISIBILITIES];
ID3D12RootSignature *sig;
} root;
@ -797,15 +814,13 @@ struct dzn_pipeline_layout {
struct dzn_descriptor_update_template_entry {
VkDescriptorType type;
uint32_t desc_count;
union {
struct {
uint32_t cbv_srv_uav;
union {
uint32_t sampler, extra_srv;
};
} heap_offsets;
uint32_t dynamic_buffer_idx;
};
uint32_t buffer_idx;
struct {
uint32_t cbv_srv_uav;
union {
uint32_t sampler, extra_srv;
};
} heap_offsets;
struct {
size_t offset;
size_t stride;
@ -861,11 +876,13 @@ struct dzn_pipeline {
uint32_t sets_param_count;
uint32_t sysval_cbv_param_idx;
uint32_t push_constant_cbv_param_idx;
uint32_t dynamic_buffer_bindless_param_idx;
D3D12_DESCRIPTOR_HEAP_TYPE type[MAX_SHADER_VISIBILITIES];
ID3D12RootSignature *sig;
} root;
struct dzn_pipeline_layout_set sets[MAX_SETS];
uint32_t desc_count[NUM_POOL_TYPES];
uint32_t dynamic_buffer_count;
ID3D12PipelineState *state;
};