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vulkan_memory_allocator: Respect bufferImageGranularity

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This commit is contained in:
Robin Kertels 2021-08-07 15:15:01 +02:00
parent 456adb95ff
commit bb29dcb7f2
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GPG key ID: 3824904F14D40757
2 changed files with 8 additions and 2 deletions
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8
src/video_core/vulkan_common/vulkan_memory_allocator.cpp
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@ -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;
}

2
src/video_core/vulkan_common/vulkan_memory_allocator.h
View file

@ -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.