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[Vulkan] Move the constant descriptor set to its own setup/destroy functions

This commit is contained in:
DrChat 2018-02-18 18:11:52 -06:00
parent 300656f788
commit af406df793
2 changed files with 51 additions and 30 deletions
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67
src/xenia/gpu/vulkan/buffer_cache.cc
View File

@ -126,22 +126,34 @@ VkResult BufferCache::Initialize() {
return status;
}
status = CreateConstantDescriptorSet();
if (status != VK_SUCCESS) {
return status;
}
return VK_SUCCESS;
}
VkResult BufferCache::CreateConstantDescriptorSet() {
VkResult status = VK_SUCCESS;
// Descriptor pool used for all of our cached descriptors.
// In the steady state we don't allocate anything, so these are all manually
// managed.
VkDescriptorPoolCreateInfo descriptor_pool_info;
descriptor_pool_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
descriptor_pool_info.pNext = nullptr;
descriptor_pool_info.flags =
VkDescriptorPoolCreateInfo transient_descriptor_pool_info;
transient_descriptor_pool_info.sType =
VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
transient_descriptor_pool_info.pNext = nullptr;
transient_descriptor_pool_info.flags =
VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT;
descriptor_pool_info.maxSets = 1;
transient_descriptor_pool_info.maxSets = 1;
VkDescriptorPoolSize pool_sizes[1];
pool_sizes[0].type = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC;
pool_sizes[0].descriptorCount = 2;
descriptor_pool_info.poolSizeCount = 1;
descriptor_pool_info.pPoolSizes = pool_sizes;
status = vkCreateDescriptorPool(*device_, &descriptor_pool_info, nullptr,
&descriptor_pool_);
transient_descriptor_pool_info.poolSizeCount = 1;
transient_descriptor_pool_info.pPoolSizes = pool_sizes;
status = vkCreateDescriptorPool(*device_, &transient_descriptor_pool_info,
nullptr, &constant_descriptor_pool_);
if (status != VK_SUCCESS) {
return status;
}
@ -173,8 +185,9 @@ VkResult BufferCache::Initialize() {
descriptor_set_layout_info.bindingCount =
static_cast<uint32_t>(xe::countof(bindings));
descriptor_set_layout_info.pBindings = bindings;
status = vkCreateDescriptorSetLayout(*device_, &descriptor_set_layout_info,
nullptr, &descriptor_set_layout_);
status =
vkCreateDescriptorSetLayout(*device_, &descriptor_set_layout_info,
nullptr, &constant_descriptor_set_layout_);
if (status != VK_SUCCESS) {
return status;
}
@ -185,11 +198,11 @@ VkResult BufferCache::Initialize() {
VkDescriptorSetAllocateInfo set_alloc_info;
set_alloc_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO;
set_alloc_info.pNext = nullptr;
set_alloc_info.descriptorPool = descriptor_pool_;
set_alloc_info.descriptorPool = constant_descriptor_pool_;
set_alloc_info.descriptorSetCount = 1;
set_alloc_info.pSetLayouts = &descriptor_set_layout_;
set_alloc_info.pSetLayouts = &constant_descriptor_set_layout_;
status = vkAllocateDescriptorSets(*device_, &set_alloc_info,
&transient_descriptor_set_);
&constant_descriptor_set_);
if (status != VK_SUCCESS) {
return status;
}
@ -204,7 +217,7 @@ VkResult BufferCache::Initialize() {
auto& vertex_uniform_binding_write = descriptor_writes[0];
vertex_uniform_binding_write.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
vertex_uniform_binding_write.pNext = nullptr;
vertex_uniform_binding_write.dstSet = transient_descriptor_set_;
vertex_uniform_binding_write.dstSet = constant_descriptor_set_;
vertex_uniform_binding_write.dstBinding = 0;
vertex_uniform_binding_write.dstArrayElement = 0;
vertex_uniform_binding_write.descriptorCount = 1;
@ -214,7 +227,7 @@ VkResult BufferCache::Initialize() {
auto& fragment_uniform_binding_write = descriptor_writes[1];
fragment_uniform_binding_write.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
fragment_uniform_binding_write.pNext = nullptr;
fragment_uniform_binding_write.dstSet = transient_descriptor_set_;
fragment_uniform_binding_write.dstSet = constant_descriptor_set_;
fragment_uniform_binding_write.dstBinding = 1;
fragment_uniform_binding_write.dstArrayElement = 0;
fragment_uniform_binding_write.descriptorCount = 1;
@ -225,6 +238,18 @@ VkResult BufferCache::Initialize() {
return VK_SUCCESS;
}
void xe::gpu::vulkan::BufferCache::FreeConstantDescriptorSet() {
if (constant_descriptor_set_) {
vkFreeDescriptorSets(*device_, constant_descriptor_pool_, 1,
&constant_descriptor_set_);
constant_descriptor_set_ = nullptr;
}
VK_SAFE_DESTROY(vkDestroyDescriptorSetLayout, *device_,
constant_descriptor_set_layout_, nullptr);
VK_SAFE_DESTROY(vkDestroyDescriptorPool, *device_, constant_descriptor_pool_,
nullptr);
}
void BufferCache::Shutdown() {
if (mem_allocator_) {
@ -232,15 +257,7 @@ void BufferCache::Shutdown() {
mem_allocator_ = nullptr;
}
if (transient_descriptor_set_) {
vkFreeDescriptorSets(*device_, descriptor_pool_, 1,
&transient_descriptor_set_);
transient_descriptor_set_ = nullptr;
}
VK_SAFE_DESTROY(vkDestroyDescriptorSetLayout, *device_,
descriptor_set_layout_, nullptr);
VK_SAFE_DESTROY(vkDestroyDescriptorPool, *device_, descriptor_pool_, nullptr);
FreeConstantDescriptorSet();
transient_buffer_->Shutdown();
VK_SAFE_DESTROY(vkFreeMemory, *device_, gpu_memory_pool_, nullptr);

14
src/xenia/gpu/vulkan/buffer_cache.h
View File

@ -45,10 +45,10 @@ class BufferCache {
// binding = 0: for use in vertex shaders
// binding = 1: for use in fragment shaders
VkDescriptorSet constant_descriptor_set() const {
return transient_descriptor_set_;
return constant_descriptor_set_;
}
VkDescriptorSetLayout constant_descriptor_set_layout() const {
return descriptor_set_layout_;
return constant_descriptor_set_layout_;
}
// Uploads the constants specified in the register maps to the transient
@ -106,6 +106,9 @@ class BufferCache {
VmaAllocationInfo alloc_info;
};
VkResult CreateConstantDescriptorSet();
void FreeConstantDescriptorSet();
// Allocates a block of memory in the transient buffer.
// When memory is not available fences are checked and space is reclaimed.
// Returns VK_WHOLE_SIZE if requested amount of memory is not available.
@ -133,9 +136,10 @@ class BufferCache {
std::unique_ptr<ui::vulkan::CircularBuffer> transient_buffer_ = nullptr;
std::map<uint32_t, std::pair<uint32_t, VkDeviceSize>> transient_cache_;
VkDescriptorPool descriptor_pool_ = nullptr;
VkDescriptorSetLayout descriptor_set_layout_ = nullptr;
VkDescriptorSet transient_descriptor_set_ = nullptr;
// Descriptor set used to hold vertex/pixel shader float constants
VkDescriptorPool constant_descriptor_pool_ = nullptr;
VkDescriptorSetLayout constant_descriptor_set_layout_ = nullptr;
VkDescriptorSet constant_descriptor_set_ = nullptr;
};
} // namespace vulkan