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// Copyright 2018 The Dawn Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef DAWNNATIVE_VULKAN_TEXTUREVK_H_
#define DAWNNATIVE_VULKAN_TEXTUREVK_H_
#include "dawn_native/Texture.h"
#include "common/vulkan_platform.h"
#include "dawn_native/ResourceMemoryAllocation.h"
#include "dawn_native/vulkan/ExternalHandle.h"
#include "dawn_native/vulkan/external_memory/MemoryService.h"
namespace dawn_native { namespace vulkan {
struct CommandRecordingContext;
class Device;
VkFormat VulkanImageFormat(const Device* device, wgpu::TextureFormat format);
VkImageUsageFlags VulkanImageUsage(wgpu::TextureUsage usage, const Format& format);
VkSampleCountFlagBits VulkanSampleCount(uint32_t sampleCount);
MaybeError ValidateVulkanImageCanBeWrapped(const DeviceBase* device,
const TextureDescriptor* descriptor);
bool IsSampleCountSupported(const dawn_native::vulkan::Device* device,
const VkImageCreateInfo& imageCreateInfo);
class Texture : public TextureBase {
public:
// Used to create a regular texture from a descriptor.
static ResultOrError<Texture*> Create(Device* device, const TextureDescriptor* descriptor);
// Creates a texture and initializes it with a VkImage that references an external memory
// object. Before the texture can be used, the VkDeviceMemory associated with the external
// image must be bound via Texture::BindExternalMemory.
static ResultOrError<Texture*> CreateFromExternal(
Device* device,
const ExternalImageDescriptor* descriptor,
const TextureDescriptor* textureDescriptor,
external_memory::Service* externalMemoryService);
Texture(Device* device, const TextureDescriptor* descriptor, VkImage nativeImage);
~Texture();
VkImage GetHandle() const;
VkImageAspectFlags GetVkAspectMask() const;
// Transitions the texture to be used as `usage`, recording any necessary barrier in
// `commands`.
// TODO(cwallez@chromium.org): coalesce barriers and do them early when possible.
void TransitionUsageNow(CommandRecordingContext* recordingContext,
wgpu::TextureUsage usage);
void EnsureSubresourceContentInitialized(CommandRecordingContext* recordingContext,
uint32_t baseMipLevel,
uint32_t levelCount,
uint32_t baseArrayLayer,
uint32_t layerCount);
MaybeError SignalAndDestroy(VkSemaphore* outSignalSemaphore);
// Binds externally allocated memory to the VkImage and on success, takes ownership of
// semaphores.
MaybeError BindExternalMemory(const ExternalImageDescriptor* descriptor,
VkSemaphore signalSemaphore,
VkDeviceMemory externalMemoryAllocation,
std::vector<VkSemaphore> waitSemaphores);
private:
using TextureBase::TextureBase;
MaybeError InitializeAsInternalTexture();
MaybeError InitializeFromExternal(const ExternalImageDescriptor* descriptor,
external_memory::Service* externalMemoryService);
void DestroyImpl() override;
MaybeError ClearTexture(CommandRecordingContext* recordingContext,
uint32_t baseMipLevel,
uint32_t levelCount,
uint32_t baseArrayLayer,
uint32_t layerCount,
TextureBase::ClearValue);
VkImage mHandle = VK_NULL_HANDLE;
ResourceMemoryAllocation mMemoryAllocation;
VkDeviceMemory mExternalAllocation = VK_NULL_HANDLE;
enum class ExternalState {
InternalOnly,
PendingAcquire,
Acquired,
PendingRelease,
Released
};
ExternalState mExternalState = ExternalState::InternalOnly;
ExternalState mLastExternalState = ExternalState::InternalOnly;
VkSemaphore mSignalSemaphore = VK_NULL_HANDLE;
std::vector<VkSemaphore> mWaitRequirements;
// A usage of none will make sure the texture is transitioned before its first use as
// required by the Vulkan spec.
wgpu::TextureUsage mLastUsage = wgpu::TextureUsage::None;
};
class TextureView : public TextureViewBase {
public:
static ResultOrError<TextureView*> Create(TextureBase* texture,
const TextureViewDescriptor* descriptor);
~TextureView();
VkImageView GetHandle() const;
private:
using TextureViewBase::TextureViewBase;
MaybeError Initialize(const TextureViewDescriptor* descriptor);
VkImageView mHandle = VK_NULL_HANDLE;
};
}} // namespace dawn_native::vulkan
#endif // DAWNNATIVE_VULKAN_TEXTUREVK_H_
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