From 397f53dea1212ac888eeee0a644d036ce1fc3782 Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Tue, 31 Mar 2020 20:29:19 -0300
Subject: renderer_vulkan/wrapper: Add pool handles

---
 src/video_core/renderer_vulkan/wrapper.cpp | 32 ++++++++++++++++++++++++++++++
 src/video_core/renderer_vulkan/wrapper.h   | 15 ++++++++++++++
 2 files changed, 47 insertions(+)

(limited to 'src/video_core')

diff --git a/src/video_core/renderer_vulkan/wrapper.cpp b/src/video_core/renderer_vulkan/wrapper.cpp
index 84a4c354f..d6fea3711 100644
--- a/src/video_core/renderer_vulkan/wrapper.cpp
+++ b/src/video_core/renderer_vulkan/wrapper.cpp
@@ -428,4 +428,36 @@ void Image::BindMemory(VkDeviceMemory memory, VkDeviceSize offset) const {
     Check(dld->vkBindImageMemory(owner, handle, memory, offset));
 }
 
+DescriptorSets DescriptorPool::Allocate(const VkDescriptorSetAllocateInfo& ai) const {
+    const std::size_t num = ai.descriptorSetCount;
+    std::unique_ptr sets = std::make_unique<VkDescriptorSet[]>(num);
+    switch (const VkResult result = dld->vkAllocateDescriptorSets(owner, &ai, sets.get())) {
+    case VK_SUCCESS:
+        return DescriptorSets(std::move(sets), num, owner, handle, *dld);
+    case VK_ERROR_OUT_OF_POOL_MEMORY:
+        return {};
+    default:
+        throw Exception(result);
+    }
+}
+
+CommandBuffers CommandPool::Allocate(std::size_t num_buffers, VkCommandBufferLevel level) const {
+    VkCommandBufferAllocateInfo ai;
+    ai.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
+    ai.pNext = nullptr;
+    ai.commandPool = handle;
+    ai.level = level;
+    ai.commandBufferCount = static_cast<u32>(num_buffers);
+
+    std::unique_ptr buffers = std::make_unique<VkCommandBuffer[]>(num_buffers);
+    switch (const VkResult result = dld->vkAllocateCommandBuffers(owner, &ai, buffers.get())) {
+    case VK_SUCCESS:
+        return CommandBuffers(std::move(buffers), num_buffers, owner, handle, *dld);
+    case VK_ERROR_OUT_OF_POOL_MEMORY:
+        return {};
+    default:
+        throw Exception(result);
+    }
+}
+
 } // namespace Vulkan::vk
diff --git a/src/video_core/renderer_vulkan/wrapper.h b/src/video_core/renderer_vulkan/wrapper.h
index c6d7cbb3f..d1a355144 100644
--- a/src/video_core/renderer_vulkan/wrapper.h
+++ b/src/video_core/renderer_vulkan/wrapper.h
@@ -600,4 +600,19 @@ public:
     void BindMemory(VkDeviceMemory memory, VkDeviceSize offset) const;
 };
 
+class DescriptorPool : public Handle<VkDescriptorPool, VkDevice, DeviceDispatch> {
+    using Handle<VkDescriptorPool, VkDevice, DeviceDispatch>::Handle;
+
+public:
+    DescriptorSets Allocate(const VkDescriptorSetAllocateInfo& ai) const;
+};
+
+class CommandPool : public Handle<VkCommandPool, VkDevice, DeviceDispatch> {
+    using Handle<VkCommandPool, VkDevice, DeviceDispatch>::Handle;
+
+public:
+    CommandBuffers Allocate(std::size_t num_buffers,
+                            VkCommandBufferLevel level = VK_COMMAND_BUFFER_LEVEL_PRIMARY) const;
+};
+
 } // namespace Vulkan::vk
-- 
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