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vkd3d: Avoid using VkCopyDescriptorSet. 

VkCopyDescriptorSet may result in the CPU reading GPU memory then
writing GPU memory.

Signed-off-by: Józef Kucia <jkucia@codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Józef Kucia 2018-10-11 15:33:32 +02:00 committed by Alexandre Julliard
parent cf23d71d5d
commit 869602cbea
2 changed files with 10 additions and 92 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

101
libs/vkd3d/command.c
View File

@ -1983,98 +1983,11 @@ static bool d3d12_command_list_update_current_pipeline(struct d3d12_command_list
return true;
}
static void d3d12_command_list_copy_descriptors(struct d3d12_command_list *list,
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;
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 copy_descriptor_count;
unsigned int i, j, k, count;
unsigned int idx;
count = 0;
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];
switch (range->descriptor_magic)
{
case VKD3D_DESCRIPTOR_MAGIC_SRV:
case VKD3D_DESCRIPTOR_MAGIC_UAV:
count += 2 * range->descriptor_count;
break;
default:
++count;
break;
}
}
}
if (!count)
return;
if (!(descriptor_copies = vkd3d_calloc(count, sizeof(*descriptor_copies))))
return;
idx = 0;
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];
if (range->descriptor_magic == VKD3D_DESCRIPTOR_MAGIC_SRV
|| range->descriptor_magic == VKD3D_DESCRIPTOR_MAGIC_UAV)
copy_descriptor_count = 2 * range->descriptor_count;
else
copy_descriptor_count = 1;
for (k = 0; k < copy_descriptor_count; ++k)
{
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 + k;
descriptor_copies[idx].srcArrayElement = 0;
descriptor_copies[idx].dstSet = bindings->descriptor_set;
descriptor_copies[idx].dstBinding = range->binding + k;
descriptor_copies[idx].dstArrayElement = 0;
if (range->descriptor_magic == VKD3D_DESCRIPTOR_MAGIC_SRV
|| range->descriptor_magic == VKD3D_DESCRIPTOR_MAGIC_UAV)
descriptor_copies[idx].descriptorCount = 1;
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);
}
static void d3d12_command_list_prepare_descriptors(struct d3d12_command_list *list,
VkPipelineBindPoint bind_point)
{
struct vkd3d_pipeline_bindings *bindings = &list->pipeline_bindings[bind_point];
const struct d3d12_root_signature *root_signature = bindings->root_signature;
VkDescriptorSet previous_descriptor_set = bindings->descriptor_set;
if (bindings->descriptor_set && !bindings->in_use)
return;
@ -2095,10 +2008,8 @@ static void d3d12_command_list_prepare_descriptors(struct d3d12_command_list *li
root_signature->vk_set_layout);
bindings->in_use = false;
bindings->descriptor_table_dirty_mask |= bindings->descriptor_table_active_mask;
bindings->push_descriptor_dirty_mask |= bindings->push_descriptor_active_mask;
if (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,
@ -2193,6 +2104,12 @@ static void d3d12_command_list_update_descriptor_table(struct d3d12_command_list
if (!descriptor_count)
return;
if (!(descriptor = d3d12_desc_from_gpu_handle(base_descriptor)))
{
WARN("Descriptor table %u is not set.\n", index);
return;
}
if (!(descriptor_writes = vkd3d_calloc(descriptor_count, sizeof(*descriptor_writes))))
return;
if (!(image_infos = vkd3d_calloc(descriptor_count, sizeof(*image_infos))))
@ -2201,8 +2118,6 @@ static void d3d12_command_list_update_descriptor_table(struct d3d12_command_list
return;
}
descriptor = d3d12_desc_from_gpu_handle(base_descriptor);
descriptor_count = 0;
current_descriptor_write = descriptor_writes;
current_image_info = image_infos;
@ -3329,6 +3244,7 @@ static void d3d12_command_list_set_root_signature(struct d3d12_command_list *lis
bindings->root_signature = root_signature;
bindings->descriptor_set = VK_NULL_HANDLE;
bindings->descriptor_table_active_mask = 0;
bindings->push_descriptor_active_mask = 0;
}
@ -3365,6 +3281,7 @@ static void d3d12_command_list_set_descriptor_table(struct d3d12_command_list *l
assert(index < ARRAY_SIZE(bindings->descriptor_tables));
bindings->descriptor_tables[index] = base_descriptor;
bindings->descriptor_table_dirty_mask |= (uint64_t)1 << index;
bindings->descriptor_table_active_mask |= (uint64_t)1 << index;
}
static void STDMETHODCALLTYPE d3d12_command_list_SetComputeRootDescriptorTable(ID3D12GraphicsCommandList *iface,

1
libs/vkd3d/vkd3d_private.h
View File

@ -661,6 +661,7 @@ struct vkd3d_pipeline_bindings
D3D12_GPU_DESCRIPTOR_HANDLE descriptor_tables[D3D12_MAX_ROOT_COST];
uint64_t descriptor_table_dirty_mask;
uint64_t descriptor_table_active_mask;
VkBufferView vk_uav_counter_views[VKD3D_SHADER_MAX_UNORDERED_ACCESS_VIEWS];
uint8_t uav_counter_dirty_mask;