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Seele/src/Engine/Graphics/Metal/Buffer.mm
T

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#include "Buffer.h"
#include "Foundation/NSString.hpp"
#include "Graphics.h"
#include "Graphics/Buffer.h"
#include "Graphics/Enums.h"
#include "Graphics/Initializer.h"
#include "Graphics/Metal/Resources.h"
#include "Metal/MTLResource.hpp"
#include <iostream>
using namespace Seele;
using namespace Seele::Metal;
BufferAllocation::BufferAllocation(PGraphics graphics, const std::string& name, uint64 size, MTL::ResourceOptions options)
: CommandBoundResource(graphics) {
buffer = graphics->getDevice()->newBuffer(size, options);
buffer->setLabel(NS::String::string(name.c_str(), NS::ASCIIStringEncoding));
}
BufferAllocation::~BufferAllocation() {
if (buffer != nullptr) {
buffer->release();
}
}
void BufferAllocation::pipelineBarrier(Gfx::SeAccessFlags, Gfx::SePipelineStageFlags, Gfx::SeAccessFlags, Gfx::SePipelineStageFlags) {}
void BufferAllocation::transferOwnership(Gfx::QueueType) {}
void BufferAllocation::updateContents(uint64 regionOffset, uint64 regionSize, void* ptr) {
std::memcpy((uint8*)buffer->contents() + regionOffset, ptr, regionSize);
}
void BufferAllocation::readContents(uint64 regionOffset, uint64 regionSize, void* ptr) {
std::memcpy(ptr, (uint8*)buffer->contents() + regionOffset, regionSize);
}
void* BufferAllocation::map() { return buffer->contents(); }
void BufferAllocation::unmap() {}
Buffer::Buffer(PGraphics graphics, uint64 size, Gfx::SeBufferUsageFlags usage, Gfx::QueueType queueType, bool dynamic, std::string name,
bool createCleared, uint32 clearValue)
: graphics(graphics), currentBuffer(0), dynamic(dynamic), createCleared(createCleared), name(name), clearValue(clearValue) {
if(size > 0)
{
buffers.add(nullptr);
createBuffer(size, 0);
}
}
Buffer::~Buffer() {
for (size_t i = 0; i < buffers.size(); ++i) {
// TODO
}
}
void Buffer::updateContents(uint64 regionOffset, uint64 regionSize, void* ptr) {
getAlloc()->updateContents(regionOffset, regionSize, ptr);
}
void Buffer::readContents(uint64 regionOffset, uint64 regionSize, void* ptr) { getAlloc()->readContents(regionOffset, regionSize, ptr); }
void* Buffer::map() { return getAlloc()->map(); }
void Buffer::unmap() { return getAlloc()->unmap(); }
void Buffer::rotateBuffer(uint64 size, bool preserveContents) {
if (size == 0)
return;
assert(dynamic);
for (uint32 i = 0; i < buffers.size(); ++i) {
if (buffers[i]->isCurrentlyBound()) {
continue;
}
if (buffers[i]->size < size) {
createBuffer(size, i);
}
if (preserveContents) {
copyBuffer(currentBuffer, i);
}
currentBuffer = i;
return;
}
buffers.add(nullptr);
createBuffer(size, buffers.size() - 1);
if (preserveContents) {
copyBuffer(currentBuffer, buffers.size() - 1);
}
currentBuffer = buffers.size() - 1;
}
void Buffer::createBuffer(uint64 size, uint32 destIndex) {
buffers[destIndex] = new BufferAllocation(graphics, name, size);
if (createCleared) {
std::memset(buffers[destIndex]->map(), clearValue, buffers[destIndex]->size);
}
}
void Buffer::copyBuffer(uint64 src, uint64 dest) {
if (src == dest) {
return;
}
std::memcpy(buffers[dest]->map(), buffers[src]->map(), buffers[src]->size);
}
void Buffer::transferOwnership(Gfx::QueueType newOwner) {
if(buffers.size() == 0)
return;
getAlloc()->transferOwnership(newOwner);
}
void Buffer::pipelineBarrier(Gfx::SeAccessFlags srcAccess, Gfx::SePipelineStageFlags srcStage, Gfx::SeAccessFlags dstAccess,
Gfx::SePipelineStageFlags dstStage) {
if(buffers.size() == 0)
return;
getAlloc()->pipelineBarrier(srcAccess, srcStage, dstAccess, dstStage);
}
VertexBuffer::VertexBuffer(PGraphics graphics, const VertexBufferCreateInfo& createInfo)
: Gfx::VertexBuffer(graphics->getFamilyMapping(), createInfo),
Metal::Buffer(graphics, createInfo.sourceData.size, Gfx::SE_BUFFER_USAGE_VERTEX_BUFFER_BIT, createInfo.sourceData.owner, false,
createInfo.name) {
if (createInfo.sourceData.size > 0 && createInfo.sourceData.data != nullptr) {
getAlloc()->updateContents(createInfo.sourceData.offset, createInfo.sourceData.size, createInfo.sourceData.data);
}
}
VertexBuffer::~VertexBuffer() {}
void VertexBuffer::updateRegion(uint64 offset, uint64 size, void* data) { getAlloc()->updateContents(offset, size, data); }
void VertexBuffer::download(Array<uint8>& buffer) {
void* data = getHandle()->contents();
buffer.resize(getSize());
std::memcpy(buffer.data(), data, getSize());
}
void VertexBuffer::executeOwnershipBarrier(Gfx::QueueType newOwner) { Metal::Buffer::transferOwnership(newOwner); }
void VertexBuffer::executePipelineBarrier(Gfx::SeAccessFlags srcAccess, Gfx::SePipelineStageFlags srcStage, Gfx::SeAccessFlags dstAccess,
Gfx::SePipelineStageFlags dstStage) {
Metal::Buffer::pipelineBarrier(srcAccess, srcStage, dstAccess, dstStage);
}
IndexBuffer::IndexBuffer(PGraphics graphics, const IndexBufferCreateInfo& createInfo)
: Gfx::IndexBuffer(graphics->getFamilyMapping(), createInfo),
Metal::Buffer(graphics, createInfo.sourceData.size,
Gfx::SE_BUFFER_USAGE_INDEX_BUFFER_BIT | Gfx::SE_BUFFER_USAGE_TRANSFER_DST_BIT | Gfx::SE_BUFFER_USAGE_STORAGE_BUFFER_BIT,
createInfo.sourceData.owner, false, createInfo.name) {}
IndexBuffer::~IndexBuffer() {}
void IndexBuffer::download(Array<uint8>& buffer) {
void* data = getHandle()->contents();
buffer.resize(getSize());
std::memcpy(buffer.data(), data, getSize());
}
void IndexBuffer::executeOwnershipBarrier(Gfx::QueueType newOwner) { Metal::Buffer::transferOwnership(newOwner); }
void IndexBuffer::executePipelineBarrier(Gfx::SeAccessFlags srcAccess, Gfx::SePipelineStageFlags srcStage, Gfx::SeAccessFlags dstAccess,
Gfx::SePipelineStageFlags dstStage) {
Metal::Buffer::pipelineBarrier(srcAccess, srcStage, dstAccess, dstStage);
}
UniformBuffer::UniformBuffer(PGraphics graphics, const UniformBufferCreateInfo& createInfo)
: Gfx::UniformBuffer(graphics->getFamilyMapping(), createInfo)
, contents(createInfo.sourceData.size) {
if (createInfo.sourceData.size > 0 && createInfo.sourceData.data != nullptr) {
std::memcpy(contents.data(), createInfo.sourceData.data, createInfo.sourceData.size);
}
}
UniformBuffer::~UniformBuffer() {}
void UniformBuffer::rotateBuffer(uint64 size) {
contents.clear();
contents.resize(size);
}
void UniformBuffer::updateContents(uint64 offset, uint64 size, void* data) {
if (size > 0 && data != nullptr) {
contents.resize(offset+size);
std::memcpy(contents.data()+offset, data, size);
}
}
void UniformBuffer::executeOwnershipBarrier(Gfx::QueueType newOwner) { }
void UniformBuffer::executePipelineBarrier(Gfx::SeAccessFlags srcAccess, Gfx::SePipelineStageFlags srcStage, Gfx::SeAccessFlags dstAccess,
Gfx::SePipelineStageFlags dstStage) {
}
ShaderBuffer::ShaderBuffer(PGraphics graphics, const ShaderBufferCreateInfo& createInfo)
: Gfx::ShaderBuffer(graphics->getFamilyMapping(), createInfo),
Seele::Metal::Buffer(graphics, createInfo.sourceData.size, Gfx::SE_BUFFER_USAGE_STORAGE_BUFFER_BIT, createInfo.sourceData.owner,
true, createInfo.name, createInfo.sourceData.data == nullptr, createInfo.clearValue) {}
ShaderBuffer::~ShaderBuffer() {}
void ShaderBuffer::readContents(uint64 offset, uint64 size, void* data) { getAlloc()->readContents(offset, size, data); }
void ShaderBuffer::updateContents(uint64 offset, uint64 size, void* data) {
if (data == nullptr) {
return;
}
// We always want to update, as the contents could be different on the GPU
if (size > 0 && data != nullptr) {
getAlloc()->updateContents(offset, size, data);
}
}
void ShaderBuffer::rotateBuffer(uint64 size, bool preserveContents) {
assert(dynamic);
Metal::Buffer::rotateBuffer(size, preserveContents);
}
void* ShaderBuffer::map() { return Metal::Buffer::map(); }
void ShaderBuffer::unmap() { Metal::Buffer::unmap(); }
void ShaderBuffer::clear() { std::memset(getAlloc()->map(), 0, getSize()); }
void ShaderBuffer::executeOwnershipBarrier(Gfx::QueueType newOwner) { Metal::Buffer::transferOwnership(newOwner); }
void ShaderBuffer::executePipelineBarrier(Gfx::SeAccessFlags srcAccess, Gfx::SePipelineStageFlags srcStage, Gfx::SeAccessFlags dstAccess,
Gfx::SePipelineStageFlags dstStage) {
Metal::Buffer::pipelineBarrier(srcAccess, srcStage, dstAccess, dstStage);
}