Revert "Vulkan: honor bufferImageGranularity the simplest way."

This reverts commit 48183b8f58.

Reason for revert: Part of Dawn->Chromium breakage

BUG=dawn:950

Original change's description:
> Vulkan: honor bufferImageGranularity the simplest way.
>
> Vulkan requires that linear and opaque resources be placed in different
> "pages" of bufferImageGranularity size, as some hardware uses the page
> table to contain some compression bits or other stuff. Make Dawn honor
> this limit by aligning all allocations to bufferImageGranularity. This
> is pretty bad and should be improved later.
>
> Also does some cleanups:
>  - Add kMappableBufferUsage to represent all mappable usages.
>  - Remove the proxy function for resource management from
>    vulkan::Device and call ResourceMemoryAllocator directly.
>  - Use an enum to make the difference between mappable, linear and
>    opaque resources.
>
> This issue was found while doing a change of the memory type selection
> in Vulkan, that started failing some unrelated tests on Nvidia. Without
> knowing the details of the HW or the driver it is really hard to write
> tests, except by copy-pasting a failing test. This is why there is no
> test added in this CL, and instead will rely on tests not failing with
> the follow-up CL.
>
> Bug: dawn:659
>
> Change-Id: Ib7c1f3f1949457e04ca8e23d212dc60af7046213
> Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/52920
> Commit-Queue: Corentin Wallez <cwallez@chromium.org>
> Reviewed-by: Austin Eng <enga@chromium.org>

TBR=cwallez@chromium.org,senorblanco@chromium.org,enga@chromium.org,dawn-scoped@luci-project-accounts.iam.gserviceaccount.com

Change-Id: I133f6a44227819bf262ad2b6e8e9d0d7bfaaefaa
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: dawn:659
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/55642
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
This commit is contained in:
Ryan Harrison 2021-06-22 19:00:44 +00:00 committed by Dawn LUCI CQ
parent 650c2accc2
commit 7fc0c0519a
10 changed files with 51 additions and 65 deletions

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@ -37,9 +37,6 @@ namespace dawn_native {
wgpu::BufferUsage::Vertex | wgpu::BufferUsage::Uniform | kReadOnlyStorageBuffer |
wgpu::BufferUsage::Indirect;
static constexpr wgpu::BufferUsage kMappableBufferUsages =
wgpu::BufferUsage::MapRead | wgpu::BufferUsage::MapWrite;
class BufferBase : public ObjectBase {
enum class BufferState {
Unmapped,

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@ -39,7 +39,7 @@ namespace dawn_native { namespace metal {
MaybeError Buffer::Initialize(bool mappedAtCreation) {
MTLResourceOptions storageMode;
if (GetUsage() & kMappableBufferUsages) {
if (GetUsage() & (wgpu::BufferUsage::MapRead | wgpu::BufferUsage::MapWrite)) {
storageMode = MTLResourceStorageModeShared;
} else {
storageMode = MTLResourceStorageModePrivate;
@ -112,7 +112,7 @@ namespace dawn_native { namespace metal {
bool Buffer::IsCPUWritableAtCreation() const {
// TODO(enga): Handle CPU-visible memory on UMA
return GetUsage() & kMappableBufferUsages;
return (GetUsage() & (wgpu::BufferUsage::MapRead | wgpu::BufferUsage::MapWrite)) != 0;
}
MaybeError Buffer::MapAtCreationImpl() {

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@ -64,7 +64,7 @@ namespace dawn_native { namespace vulkan {
VkPipelineStageFlags VulkanPipelineStage(wgpu::BufferUsage usage) {
VkPipelineStageFlags flags = 0;
if (usage & kMappableBufferUsages) {
if (usage & (wgpu::BufferUsage::MapRead | wgpu::BufferUsage::MapWrite)) {
flags |= VK_PIPELINE_STAGE_HOST_BIT;
}
if (usage & (wgpu::BufferUsage::CopySrc | wgpu::BufferUsage::CopyDst)) {
@ -166,18 +166,13 @@ namespace dawn_native { namespace vulkan {
device->fn.CreateBuffer(device->GetVkDevice(), &createInfo, nullptr, &*mHandle),
"vkCreateBuffer"));
// Gather requirements for the buffer's memory and allocate it.
VkMemoryRequirements requirements;
device->fn.GetBufferMemoryRequirements(device->GetVkDevice(), mHandle, &requirements);
MemoryKind requestKind = MemoryKind::Linear;
if (GetUsage() & kMappableBufferUsages) {
requestKind = MemoryKind::LinearMappable;
}
DAWN_TRY_ASSIGN(mMemoryAllocation,
device->GetResourceMemoryAllocator()->Allocate(requirements, requestKind));
bool requestMappable =
(GetUsage() & (wgpu::BufferUsage::MapRead | wgpu::BufferUsage::MapWrite)) != 0;
DAWN_TRY_ASSIGN(mMemoryAllocation, device->AllocateMemory(requirements, requestMappable));
// Finally associate it with the buffer.
DAWN_TRY(CheckVkSuccess(
device->fn.BindBufferMemory(device->GetVkDevice(), mHandle,
ToBackend(mMemoryAllocation.GetResourceHeap())->GetMemory(),
@ -289,7 +284,7 @@ namespace dawn_native { namespace vulkan {
}
void Buffer::DestroyImpl() {
ToBackend(GetDevice())->GetResourceMemoryAllocator()->Deallocate(&mMemoryAllocation);
ToBackend(GetDevice())->DeallocateMemory(&mMemoryAllocation);
if (mHandle != VK_NULL_HANDLE) {
ToBackend(GetDevice())->GetFencedDeleter()->DeleteWhenUnused(mHandle);

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@ -219,10 +219,6 @@ namespace dawn_native { namespace vulkan {
return mRenderPassCache.get();
}
ResourceMemoryAllocator* Device::GetResourceMemoryAllocator() const {
return mResourceMemoryAllocator.get();
}
void Device::EnqueueDeferredDeallocation(BindGroupLayout* bindGroupLayout) {
mBindGroupLayoutsPendingDeallocation.Enqueue(bindGroupLayout, GetPendingCommandSerial());
}
@ -808,6 +804,24 @@ namespace dawn_native { namespace vulkan {
return result;
}
ResultOrError<ResourceMemoryAllocation> Device::AllocateMemory(
VkMemoryRequirements requirements,
bool mappable) {
return mResourceMemoryAllocator->Allocate(requirements, mappable);
}
void Device::DeallocateMemory(ResourceMemoryAllocation* allocation) {
mResourceMemoryAllocator->Deallocate(allocation);
}
int Device::FindBestMemoryTypeIndex(VkMemoryRequirements requirements, bool mappable) {
return mResourceMemoryAllocator->FindBestTypeIndex(requirements, mappable);
}
ResourceMemoryAllocator* Device::GetResourceMemoryAllocatorForTesting() const {
return mResourceMemoryAllocator.get();
}
uint32_t Device::GetComputeSubgroupSize() const {
return mComputeSubgroupSize;
}

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@ -59,7 +59,6 @@ namespace dawn_native { namespace vulkan {
FencedDeleter* GetFencedDeleter() const;
RenderPassCache* GetRenderPassCache() const;
ResourceMemoryAllocator* GetResourceMemoryAllocator() const;
CommandRecordingContext* GetPendingRecordingContext();
MaybeError SubmitPendingCommands();
@ -94,6 +93,14 @@ namespace dawn_native { namespace vulkan {
TextureCopy* dst,
const Extent3D& copySizePixels) override;
ResultOrError<ResourceMemoryAllocation> AllocateMemory(VkMemoryRequirements requirements,
bool mappable);
void DeallocateMemory(ResourceMemoryAllocation* allocation);
int FindBestMemoryTypeIndex(VkMemoryRequirements requirements, bool mappable);
ResourceMemoryAllocator* GetResourceMemoryAllocatorForTesting() const;
// Return the fixed subgroup size to use for compute shaders on this device or 0 if none
// needs to be set.
uint32_t GetComputeSubgroupSize() const;

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@ -62,8 +62,9 @@ namespace dawn_native { namespace vulkan {
mPooledMemoryAllocator.DestroyPool();
}
ResultOrError<ResourceMemoryAllocation> AllocateMemory(uint64_t size, uint64_t alignment) {
return mBuddySystem.Allocate(size, alignment);
ResultOrError<ResourceMemoryAllocation> AllocateMemory(
const VkMemoryRequirements& requirements) {
return mBuddySystem.Allocate(requirements.size, requirements.alignment);
}
void DeallocateMemory(const ResourceMemoryAllocation& allocation) {
@ -124,9 +125,9 @@ namespace dawn_native { namespace vulkan {
ResultOrError<ResourceMemoryAllocation> ResourceMemoryAllocator::Allocate(
const VkMemoryRequirements& requirements,
MemoryKind kind) {
bool mappable) {
// The Vulkan spec guarantees at least on memory type is valid.
int memoryType = FindBestTypeIndex(requirements, kind);
int memoryType = FindBestTypeIndex(requirements, mappable);
ASSERT(memoryType >= 0);
VkDeviceSize size = requirements.size;
@ -134,25 +135,10 @@ namespace dawn_native { namespace vulkan {
// Sub-allocate non-mappable resources because at the moment the mapped pointer
// is part of the resource and not the heap, which doesn't match the Vulkan model.
// TODO(crbug.com/dawn/849): allow sub-allocating mappable resources, maybe.
if (requirements.size < kMaxSizeForSubAllocation && kind != MemoryKind::LinearMappable) {
// When sub-allocating, Vulkan requires that we respect bufferImageGranularity. Some
// hardware puts information on the memory's page table entry and allocating a linear
// resource in the same page as a non-linear (aka opaque) resource can cause issues.
// Probably because some texture compression flags are stored on the page table entry,
// and allocating a linear resource removes these flags.
//
// Anyway, just to be safe we ask that all sub-allocated resources are allocated with at
// least this alignment. TODO(crbug.com/dawn/849): this is suboptimal because multiple
// linear (resp. opaque) resources can coexist in the same page. In particular Nvidia
// GPUs often use a granularity of 64k which will lead to a lot of wasted spec. Revisit
// with a more efficient algorithm later.
uint64_t alignment =
std::max(requirements.alignment,
mDevice->GetDeviceInfo().properties.limits.bufferImageGranularity);
if (requirements.size < kMaxSizeForSubAllocation && !mappable) {
ResourceMemoryAllocation subAllocation;
DAWN_TRY_ASSIGN(subAllocation, mAllocatorsPerType[memoryType]->AllocateMemory(
requirements.size, alignment));
DAWN_TRY_ASSIGN(subAllocation,
mAllocatorsPerType[memoryType]->AllocateMemory(requirements));
if (subAllocation.GetInfo().mMethod != AllocationMethod::kInvalid) {
return std::move(subAllocation);
}
@ -163,7 +149,7 @@ namespace dawn_native { namespace vulkan {
DAWN_TRY_ASSIGN(resourceHeap, mAllocatorsPerType[memoryType]->AllocateResourceHeap(size));
void* mappedPointer = nullptr;
if (kind == MemoryKind::LinearMappable) {
if (mappable) {
DAWN_TRY_WITH_CLEANUP(
CheckVkSuccess(mDevice->fn.MapMemory(mDevice->GetVkDevice(),
ToBackend(resourceHeap.get())->GetMemory(), 0,
@ -228,9 +214,8 @@ namespace dawn_native { namespace vulkan {
}
int ResourceMemoryAllocator::FindBestTypeIndex(VkMemoryRequirements requirements,
MemoryKind kind) {
bool mappable) {
const VulkanDeviceInfo& info = mDevice->GetDeviceInfo();
bool mappable = kind == MemoryKind::LinearMappable;
// Find a suitable memory type for this allocation
int bestType = -1;

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@ -29,28 +29,20 @@ namespace dawn_native { namespace vulkan {
class Device;
// Various kinds of memory that influence the result of the allocation. For example, to take
// into account mappability and Vulkan's bufferImageGranularity.
enum class MemoryKind {
Linear,
LinearMappable,
Opaque,
};
class ResourceMemoryAllocator {
public:
ResourceMemoryAllocator(Device* device);
~ResourceMemoryAllocator();
ResultOrError<ResourceMemoryAllocation> Allocate(const VkMemoryRequirements& requirements,
MemoryKind kind);
bool mappable);
void Deallocate(ResourceMemoryAllocation* allocation);
void DestroyPool();
void Tick(ExecutionSerial completedSerial);
int FindBestTypeIndex(VkMemoryRequirements requirements, MemoryKind kind);
int FindBestTypeIndex(VkMemoryRequirements requirements, bool mappable);
private:
Device* mDevice;

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@ -16,7 +16,6 @@
#include "dawn_native/vulkan/DeviceVk.h"
#include "dawn_native/vulkan/FencedDeleter.h"
#include "dawn_native/vulkan/ResourceHeapVk.h"
#include "dawn_native/vulkan/ResourceMemoryAllocatorVk.h"
#include "dawn_native/vulkan/VulkanError.h"
namespace dawn_native { namespace vulkan {
@ -43,8 +42,7 @@ namespace dawn_native { namespace vulkan {
VkMemoryRequirements requirements;
mDevice->fn.GetBufferMemoryRequirements(mDevice->GetVkDevice(), mBuffer, &requirements);
DAWN_TRY_ASSIGN(mAllocation, mDevice->GetResourceMemoryAllocator()->Allocate(
requirements, MemoryKind::LinearMappable));
DAWN_TRY_ASSIGN(mAllocation, mDevice->AllocateMemory(requirements, true));
DAWN_TRY(CheckVkSuccess(
mDevice->fn.BindBufferMemory(mDevice->GetVkDevice(), mBuffer,
@ -63,7 +61,7 @@ namespace dawn_native { namespace vulkan {
StagingBuffer::~StagingBuffer() {
mMappedPointer = nullptr;
mDevice->GetFencedDeleter()->DeleteWhenUnused(mBuffer);
mDevice->GetResourceMemoryAllocator()->Deallocate(&mAllocation);
mDevice->DeallocateMemory(&mAllocation);
}
VkBuffer StagingBuffer::GetBufferHandle() const {

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@ -26,7 +26,6 @@
#include "dawn_native/vulkan/DeviceVk.h"
#include "dawn_native/vulkan/FencedDeleter.h"
#include "dawn_native/vulkan/ResourceHeapVk.h"
#include "dawn_native/vulkan/ResourceMemoryAllocatorVk.h"
#include "dawn_native/vulkan/StagingBufferVk.h"
#include "dawn_native/vulkan/UtilsVulkan.h"
#include "dawn_native/vulkan/VulkanError.h"
@ -565,8 +564,7 @@ namespace dawn_native { namespace vulkan {
VkMemoryRequirements requirements;
device->fn.GetImageMemoryRequirements(device->GetVkDevice(), mHandle, &requirements);
DAWN_TRY_ASSIGN(mMemoryAllocation, device->GetResourceMemoryAllocator()->Allocate(
requirements, MemoryKind::Opaque));
DAWN_TRY_ASSIGN(mMemoryAllocation, device->AllocateMemory(requirements, false));
DAWN_TRY(CheckVkSuccess(
device->fn.BindImageMemory(device->GetVkDevice(), mHandle,
@ -728,7 +726,7 @@ namespace dawn_native { namespace vulkan {
// For textures created from a VkImage, the allocation if kInvalid so the Device knows
// to skip the deallocation of the (absence of) VkDeviceMemory.
device->GetResourceMemoryAllocator()->Deallocate(&mMemoryAllocation);
device->DeallocateMemory(&mMemoryAllocation);
if (mHandle != VK_NULL_HANDLE) {
device->GetFencedDeleter()->DeleteWhenUnused(mHandle);

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@ -90,8 +90,8 @@ namespace dawn_native { namespace vulkan {
externalInfo.pNext = nullptr;
externalInfo.handleTypes = VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT_KHR;
int bestType = deviceVk->GetResourceMemoryAllocator()->FindBestTypeIndex(
requirements, MemoryKind::Opaque);
int bestType = deviceVk->GetResourceMemoryAllocatorForTesting()->FindBestTypeIndex(
requirements, false);
VkMemoryAllocateInfo allocateInfo;
allocateInfo.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
allocateInfo.pNext = &externalInfo;