From bb29dcb7f2dad1e0ed67b32387912d56e40a5e5d Mon Sep 17 00:00:00 2001
From: Robin Kertels <robin.kertels@gmail.com>
Date: Sat, 7 Aug 2021 15:15:01 +0200
Subject: vulkan_memory_allocator: Respect bufferImageGranularity

---
 src/video_core/vulkan_common/vulkan_memory_allocator.cpp | 8 ++++++--
 src/video_core/vulkan_common/vulkan_memory_allocator.h   | 2 ++
 2 files changed, 8 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/video_core/vulkan_common/vulkan_memory_allocator.cpp b/src/video_core/vulkan_common/vulkan_memory_allocator.cpp
index aa173d19e..300a61205 100644
--- a/src/video_core/vulkan_common/vulkan_memory_allocator.cpp
+++ b/src/video_core/vulkan_common/vulkan_memory_allocator.cpp
@@ -228,7 +228,9 @@ void MemoryCommit::Release() {
 
 MemoryAllocator::MemoryAllocator(const Device& device_, bool export_allocations_)
     : device{device_}, properties{device_.GetPhysical().GetMemoryProperties()},
-      export_allocations{export_allocations_} {}
+      export_allocations{export_allocations_},
+      buffer_image_granularity{
+          device_.GetPhysical().GetProperties().limits.bufferImageGranularity} {}
 
 MemoryAllocator::~MemoryAllocator() = default;
 
@@ -258,7 +260,9 @@ MemoryCommit MemoryAllocator::Commit(const vk::Buffer& buffer, MemoryUsage usage
 }
 
 MemoryCommit MemoryAllocator::Commit(const vk::Image& image, MemoryUsage usage) {
-    auto commit = Commit(device.GetLogical().GetImageMemoryRequirements(*image), usage);
+    VkMemoryRequirements requirements = device.GetLogical().GetImageMemoryRequirements(*image);
+    requirements.size = Common::AlignUp(requirements.size, buffer_image_granularity);
+    auto commit = Commit(requirements, usage);
     image.BindMemory(commit.Memory(), commit.Offset());
     return commit;
 }
diff --git a/src/video_core/vulkan_common/vulkan_memory_allocator.h b/src/video_core/vulkan_common/vulkan_memory_allocator.h
index b61e931e0..86e8ed119 100644
--- a/src/video_core/vulkan_common/vulkan_memory_allocator.h
+++ b/src/video_core/vulkan_common/vulkan_memory_allocator.h
@@ -123,6 +123,8 @@ private:
     const VkPhysicalDeviceMemoryProperties properties; ///< Physical device properties.
     const bool export_allocations; ///< True when memory allocations have to be exported.
     std::vector<std::unique_ptr<MemoryAllocation>> allocations; ///< Current allocations.
+    VkDeviceSize buffer_image_granularity; // The granularity for adjacent offsets between buffers
+                                           // and optimal images
 };
 
 /// Returns true when a memory usage is guaranteed to be host visible.
-- 
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