Index: gpu/vulkan/vulkan_descriptor_set.cc |
diff --git a/gpu/vulkan/vulkan_descriptor_set.cc b/gpu/vulkan/vulkan_descriptor_set.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..d8f775b8d6a7ae8bb3259b5412e29bd95543343a |
--- /dev/null |
+++ b/gpu/vulkan/vulkan_descriptor_set.cc |
@@ -0,0 +1,98 @@ |
+// Copyright (c) 2016 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include "gpu/vulkan/vulkan_descriptor_set.h" |
+ |
+#include "base/logging.h" |
+#include "gpu/vulkan/vulkan_descriptor_layout.h" |
+#include "gpu/vulkan/vulkan_descriptor_pool.h" |
+#include "gpu/vulkan/vulkan_device_queue.h" |
+ |
+namespace gpu { |
+ |
+VulkanDescriptorSet::~VulkanDescriptorSet() { |
+ DCHECK_EQ(static_cast<VkDescriptorSet>(VK_NULL_HANDLE), handle_); |
+ descriptor_pool_->DecrementDescriptorSetCount(); |
+} |
+ |
+bool VulkanDescriptorSet::Initialize(const VulkanDescriptorLayout* layout) { |
+ VkResult result = VK_SUCCESS; |
+ VkDevice device = device_queue_->GetVulkanDevice(); |
+ |
+ VkDescriptorSetLayout layout_handle = layout->handle(); |
+ |
+ VkDescriptorSetAllocateInfo set_allocate_info = {}; |
+ set_allocate_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO; |
+ set_allocate_info.descriptorPool = descriptor_pool_->handle(); |
+ set_allocate_info.descriptorSetCount = 1; |
+ set_allocate_info.pSetLayouts = &layout_handle; |
+ |
+ result = vkAllocateDescriptorSets(device, &set_allocate_info, &handle_); |
+ if (VK_SUCCESS != result) { |
+ DLOG(ERROR) << "vkAllocateDescriptorSets() failed: " << result; |
+ return false; |
+ } |
+ |
+ return true; |
+} |
+ |
+void VulkanDescriptorSet::Destroy() { |
+ VkDevice device = device_queue_->GetVulkanDevice(); |
+ if (VK_NULL_HANDLE != handle_) { |
+ vkFreeDescriptorSets(device, descriptor_pool_->handle(), 1, &handle_); |
+ handle_ = VK_NULL_HANDLE; |
+ } |
+} |
+ |
+void VulkanDescriptorSet::WriteToDescriptorSet( |
+ uint32_t dst_binding, |
+ uint32_t dst_array_element, |
+ uint32_t descriptor_count, |
+ VkDescriptorType descriptor_type, |
+ const VkDescriptorImageInfo* image_info, |
+ const VkDescriptorBufferInfo* buffer_info, |
+ const VkBufferView* texel_buffer_view) { |
+ VkWriteDescriptorSet write_descriptor_set = {}; |
+ write_descriptor_set.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET; |
+ write_descriptor_set.dstSet = handle_; |
+ write_descriptor_set.dstBinding = dst_binding; |
+ write_descriptor_set.dstArrayElement = dst_array_element; |
+ write_descriptor_set.descriptorCount = descriptor_count; |
+ write_descriptor_set.descriptorType = descriptor_type; |
+ write_descriptor_set.pImageInfo = image_info; |
+ write_descriptor_set.pBufferInfo = buffer_info; |
+ write_descriptor_set.pTexelBufferView = texel_buffer_view; |
+ |
+ vkUpdateDescriptorSets(device_queue_->GetVulkanDevice(), 1, |
+ &write_descriptor_set, 0, nullptr); |
+} |
+ |
+void VulkanDescriptorSet::CopyFromDescriptorSet( |
+ const VulkanDescriptorSet* source_set, |
+ uint32_t src_binding, |
+ uint32_t src_array_element, |
+ uint32_t dst_binding, |
+ uint32_t dst_array_element, |
+ uint32_t descriptor_count) { |
+ VkCopyDescriptorSet copy_descriptor_set = {}; |
+ copy_descriptor_set.sType = VK_STRUCTURE_TYPE_COPY_DESCRIPTOR_SET; |
+ copy_descriptor_set.srcSet = source_set->handle(); |
+ copy_descriptor_set.srcBinding = src_binding; |
+ copy_descriptor_set.srcArrayElement = src_array_element; |
+ copy_descriptor_set.dstSet = handle_; |
+ copy_descriptor_set.dstBinding = dst_binding; |
+ copy_descriptor_set.dstArrayElement = dst_array_element; |
+ copy_descriptor_set.descriptorCount = descriptor_count; |
+ |
+ vkUpdateDescriptorSets(device_queue_->GetVulkanDevice(), 0, nullptr, 1, |
+ ©_descriptor_set); |
+} |
+ |
+VulkanDescriptorSet::VulkanDescriptorSet(VulkanDeviceQueue* device_queue, |
+ VulkanDescriptorPool* descriptor_pool) |
+ : device_queue_(device_queue), descriptor_pool_(descriptor_pool) { |
+ descriptor_pool_->IncrementDescriptorSetCount(); |
+} |
+ |
+} // namespace gpu |