void GrVkBuffer::internalUnmap(GrVkGpu* gpu, size_t size) {
VALIDATE();
SkASSERT(this->vkIsMapped());
if (fDesc.fDynamic) {
GrVkMemory::FlushMappedAlloc(gpu, this->alloc());
VK_CALL(gpu, UnmapMemory(gpu->device(), this->alloc().fMemory));
fMapPtr = nullptr;
} else {
gpu->updateBuffer(this, fMapPtr, this->offset(), size);
this->addMemoryBarrier(gpu,
VK_ACCESS_TRANSFER_WRITE_BIT,
buffer_type_to_access_flags(fDesc.fType),
VK_PIPELINE_STAGE_TRANSFER_BIT,
VK_PIPELINE_STAGE_VERTEX_INPUT_BIT,
false);
}
}
void GrVkBuffer::internalUnmap(GrVkGpu* gpu, size_t size) {
VALIDATE();
SkASSERT(this->vkIsMapped());
if (fDesc.fDynamic) {
const GrVkAlloc& alloc = this->alloc();
SkASSERT(alloc.fSize > 0);
SkASSERT(alloc.fSize >= size);
// We currently don't use fOffset
SkASSERT(0 == fOffset);
GrVkMemory::FlushMappedAlloc(gpu, alloc, 0, size);
GrVkMemory::UnmapAlloc(gpu, alloc);
fMapPtr = nullptr;
} else {
// vkCmdUpdateBuffer requires size < 64k and 4-byte alignment.
// https://bugs.chromium.org/p/skia/issues/detail?id=7488
if (size <= 65536 && 0 == (size & 0x3)) {
gpu->updateBuffer(this, fMapPtr, this->offset(), size);
} else {
GrVkTransferBuffer* transferBuffer =
GrVkTransferBuffer::Create(gpu, size, GrVkBuffer::kCopyRead_Type);
if (!transferBuffer) {
return;
}
char* buffer = (char*) transferBuffer->map();
memcpy (buffer, fMapPtr, size);
transferBuffer->unmap();
gpu->copyBuffer(transferBuffer, this, 0, this->offset(), size);
transferBuffer->unref();
}
this->addMemoryBarrier(gpu,
VK_ACCESS_TRANSFER_WRITE_BIT,
buffer_type_to_access_flags(fDesc.fType),
VK_PIPELINE_STAGE_TRANSFER_BIT,
VK_PIPELINE_STAGE_VERTEX_INPUT_BIT,
false);
}
}
void GrVkBuffer::internalMap(GrVkGpu* gpu, size_t size, bool* createdNewBuffer) {
VALIDATE();
SkASSERT(!this->vkIsMapped());
if (!fResource->unique()) {
if (fDesc.fDynamic) {
// in use by the command buffer, so we need to create a new one
fResource->recycle(gpu);
fResource = this->createResource(gpu, fDesc);
if (createdNewBuffer) {
*createdNewBuffer = true;
}
} else {
SkASSERT(fMapPtr);
this->addMemoryBarrier(gpu,
buffer_type_to_access_flags(fDesc.fType),
VK_ACCESS_TRANSFER_WRITE_BIT,
VK_PIPELINE_STAGE_VERTEX_INPUT_BIT,
VK_PIPELINE_STAGE_TRANSFER_BIT,
false);
}
}
if (fDesc.fDynamic) {
const GrVkAlloc& alloc = this->alloc();
VkResult err = VK_CALL(gpu, MapMemory(gpu->device(), alloc.fMemory,
alloc.fOffset + fOffset,
size, 0, &fMapPtr));
if (err) {
fMapPtr = nullptr;
}
} else {
if (!fMapPtr) {
fMapPtr = new unsigned char[this->size()];
}
}
VALIDATE();
}
