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* Copyright 2015 Google Inc.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
#ifndef GrVkMemory_DEFINED
#define GrVkMemory_DEFINED
#include "GrVkBuffer.h"
#include "SkTArray.h"
#include "vk/GrVkDefines.h"
#include "vk/GrVkTypes.h"
class GrVkGpu;
namespace GrVkMemory {
* Allocates vulkan device memory and binds it to the gpu's device for the given object.
* Returns true if allocation succeeded.
bool AllocAndBindBufferMemory(const GrVkGpu* gpu,
VkBuffer buffer,
GrVkBuffer::Type type,
bool dynamic,
GrVkAlloc* alloc);
void FreeBufferMemory(const GrVkGpu* gpu, GrVkBuffer::Type type, const GrVkAlloc& alloc);
bool AllocAndBindImageMemory(const GrVkGpu* gpu,
VkImage image,
bool linearTiling,
GrVkAlloc* alloc);
void FreeImageMemory(const GrVkGpu* gpu, bool linearTiling, const GrVkAlloc& alloc);
// Maps the entire GrVkAlloc and returns a pointer to the start of the allocation. Underneath
// the hood, we may map more than the range of the GrVkAlloc (e.g. the entire VkDeviceMemory),
// but the pointer returned will always be to the start of the GrVkAlloc. The caller should also
// never assume more than the GrVkAlloc block has been mapped.
void* MapAlloc(const GrVkGpu* gpu, const GrVkAlloc& alloc);
void UnmapAlloc(const GrVkGpu* gpu, const GrVkAlloc& alloc);
// For the Flush and Invalidate calls, the offset should be relative to the GrVkAlloc. Thus this
// will often be 0. The client does not need to make sure the offset and size are aligned to the
// nonCoherentAtomSize, the internal calls will handle that.
void FlushMappedAlloc(const GrVkGpu* gpu, const GrVkAlloc& alloc, VkDeviceSize offset,
VkDeviceSize size);
void InvalidateMappedAlloc(const GrVkGpu* gpu, const GrVkAlloc& alloc, VkDeviceSize offset,
VkDeviceSize size);
// Helper for aligning and setting VkMappedMemoryRange for flushing/invalidating noncoherent
// memory.
void GetNonCoherentMappedMemoryRange(const GrVkAlloc&, VkDeviceSize offset, VkDeviceSize size,
VkDeviceSize alignment, VkMappedMemoryRange*);