static void writeBytes(Bytes& dst, gsl::span<const gsl::byte> src)
{
size_t start = dst.size();
size_t size = src.size();
dst.resize(start + size);
memcpy(dst.data() + start, src.data(), size);
}
void subdata(GLintptr offset, gsl::span<const data_type> cont) const noexcept
{
bind();
glBufferSubData(target,
offset * sizeof(data_type),
cont.size() * sizeof(data_type),
cont.data());
}
void AudioSDL::doQueueAudio(gsl::span<const gsl::byte> data)
{
std::vector<unsigned char> tmp(data.size_bytes());
memcpy(tmp.data(), data.data(), data.size_bytes());
std::unique_lock<std::mutex> lock(mutex);
queuedSize += data.size_bytes();
audioQueue.push_back(std::move(tmp));
}
static gsl::span<std::uint8_t> ReceiveSpan(std::uint16_t frameSize, gsl::span<std::uint8_t> buffer)
{
if (buffer.size() <= frameSize + 6)
{
return buffer;
}
else
{
return buffer.subspan(0, frameSize + 6);
}
}
I2CResult I2CLowLevelBus::Write(const I2CAddress address, gsl::span<const uint8_t> inData)
{
I2C_TransferSeq_TypeDef seq;
seq.addr = address;
seq.flags = I2C_FLAG_WRITE;
seq.buf[0].len = inData.length();
seq.buf[0].data = const_cast<uint8_t*>(inData.data());
seq.buf[1].len = 0;
seq.buf[1].data = nullptr;
return ExecuteTransfer(&seq);
}
std::vector<float> AudioImporter::resampleChannel(int from, int to, gsl::span<const float> src)
{
AudioResampler resampler(from, to, 1, 1.0f);
std::vector<float> dst(resampler.numOutputSamples(src.size()) + 1024);
auto result = resampler.resampleInterleaved(src, dst);
if (result.nRead != src.size()) {
throw Exception("Only read " + toString(result.nRead) + " samples, expected " + toString(src.size()));
}
if (result.nWritten == dst.size()) {
throw Exception("Resample dst buffer overflow.");
}
dst.resize(result.nWritten);
return dst;
}
VertexBufferPtr RenderingDevice::CreateVertexBufferRaw(gsl::span<const uint8_t> data) {
CComPtr<IDirect3DVertexBuffer9> result;
D3DLOG(mDevice->CreateVertexBuffer(data.size(), D3DUSAGE_DYNAMIC | D3DUSAGE_WRITEONLY, 0, D3DPOOL_DEFAULT, &result, nullptr));
void* dataOut;
D3DLOG(result->Lock(0, data.size(), &dataOut, D3DLOCK_DISCARD));
memcpy(dataOut, &data[0], data.size());
D3DLOG(result->Unlock());
return std::make_shared<VertexBuffer>(result, data.size());
}
bool CommObject::ReceiveFrame(gsl::span<std::uint8_t> buffer, CommFrame& frame)
{
if (buffer.size() < 2)
{
return false;
}
bool status = this->SendCommandWithResponse(CommReceiver, ReceiverGetFrame, buffer.subspan(0, 2));
if (!status)
{
return status;
}
Reader reader(buffer.subspan(0, 2));
auto size = reader.ReadWordLE();
buffer = ReceiveSpan(size, buffer);
status = this->SendCommandWithResponse(CommReceiver, ReceiverGetFrame, buffer);
if (!status)
{
return status;
}
reader.Initialize(buffer);
const auto fullSize = reader.ReadWordLE();
const auto doppler = reader.ReadWordLE();
const auto rssi = reader.ReadWordLE();
gsl::span<std::uint8_t> frameContent;
if (!reader.Status())
{
LOG(LOG_LEVEL_ERROR, "[comm] Failed to receive frame");
}
else
{
LOGF(LOG_LEVEL_DEBUG, "[comm] Received frame %d bytes", static_cast<int>(fullSize));
auto span = reader.ReadArray(reader.RemainingSize());
frameContent = gsl::span<std::uint8_t>(const_cast<std::uint8_t*>(span.data()), span.size());
}
frame = CommFrame(doppler, rssi, fullSize, std::move(frameContent));
// if (fullSize == 0 || (doppler & 0xf000) != 0 || (rssi & 0xf000) != 0)
// {
// LOGF(LOG_LEVEL_ERROR, "[comm] Received invalid frame. Size: %d, Doppler: 0x%X, RSSI: 0x%X. ", fullSize, doppler, rssi);
// return false;
// }
return status;
}
std::string
disassemble(const gsl::span<const uint8_t> &binary, bool isSubroutine)
{
disassembler::State state;
state.binary = binary;
state.cfPC = 0;
state.groupPC = 0;
for (auto i = 0; i < binary.size(); i += sizeof(ControlFlowInst)) {
auto cf = *reinterpret_cast<const ControlFlowInst *>(binary.data() + i);
auto id = cf.word1.CF_INST();
auto type = cf.word1.CF_INST_TYPE();
switch (type) {
case SQ_CF_INST_TYPE_NORMAL:
disassembler::disassembleNormal(state, cf);
break;
case SQ_CF_INST_TYPE_EXPORT:
disassembler::disassembleExport(state, cf);
break;
case SQ_CF_INST_TYPE_ALU:
case SQ_CF_INST_TYPE_ALU_EXTENDED:
disassembler::disassembleControlFlowALU(state, cf);
break;
default:
decaf_abort(fmt::format("Invalid top level instruction type {}", type));
}
if (cf.word1.CF_INST() == SQ_CF_INST_RETURN && isSubroutine) {
break;
}
if (cf.word1.CF_INST_TYPE() == SQ_CF_INST_TYPE_NORMAL
|| cf.word1.CF_INST_TYPE() == SQ_CF_INST_TYPE_EXPORT) {
if (cf.word1.END_OF_PROGRAM()) {
break;
}
}
state.cfPC++;
state.out << "\n";
}
return state.out.str();
}
IndexBufferPtr RenderingDevice::CreateIndexBuffer(gsl::span<const uint16_t> data) {
CComPtr<IDirect3DIndexBuffer9> result;
D3DLOG(mDevice->CreateIndexBuffer(data.size_bytes(),
D3DUSAGE_DYNAMIC | D3DUSAGE_WRITEONLY,
D3DFMT_INDEX16,
D3DPOOL_DEFAULT,
&result, nullptr));
void* dataOut;
D3DLOG(result->Lock(0, data.size(), &dataOut, D3DLOCK_DISCARD));
memcpy(dataOut, &data[0], data.size() * sizeof(uint16_t));
D3DLOG(result->Unlock());
return std::make_shared<IndexBuffer>(result, data.size());
}
/** Ported more or less directly from SanOS. */
int Virtio::Queue::enqueue(gsl::span<Token> buffers){
debug ("Enqueuing %i tokens \n", buffers.size());
uint16_t last = _free_head;
uint16_t first = _free_head;
// Place each buffer in a token
for( auto buf : buffers ) {
debug (" buf @ %p \n", buffers.data());
// Set read / write flags
_queue.desc[_free_head].flags =
buf.direction() ? VIRTQ_DESC_F_NEXT : VIRTQ_DESC_F_NEXT | VIRTQ_DESC_F_WRITE;
// Assign raw buffer
_queue.desc[_free_head].addr = (uint64_t) buf.data();
_queue.desc[_free_head].len = buf.size();
last = _free_head;
_free_head = _queue.desc[_free_head].next;
}
_desc_in_flight += buffers.size();
Ensures(_desc_in_flight <= size());
// No continue on last buffer
_queue.desc[last].flags &= ~VIRTQ_DESC_F_NEXT;
// Place the head of this current chain in the avail ring
uint16_t avail_index = (_queue.avail->idx + _num_added) % _size;
// we added a token
_num_added++;
_queue.avail->ring[avail_index] = first;
debug("<Q %i> avail_index: %i size: %i, _free_head %i \n",
_pci_index, avail_index, size(), _free_head );
debug ("Free tokens: %i \n", num_free());
return buffers.size();
}
void GLBuffer::setData(gsl::span<const gsl::byte> data)
{
/*
if (size < size_t(data.size_bytes())) {
glBufferData(target, data.size_bytes(), data.data(), GL_STREAM_DRAW);
size = data.size_bytes();
} else {
glBufferData(target, size, nullptr, GL_STREAM_DRAW);
glBufferSubData(target, 0, data.size_bytes(), data.data());
}
*/
if (size < size_t(data.size_bytes())) {
size = nextPowerOf2(data.size_bytes());
}
glBufferData(target, size, nullptr, GL_STREAM_DRAW);
glBufferSubData(target, 0, data.size_bytes(), data.data());
glCheckError();
}
void AudioSDL::queueAudio(gsl::span<const AudioSamplePack> data)
{
Expects(device);
const size_t numSamples = data.size() * 16;
// Float
if (outputFormat.format == AudioSampleFormat::Float) {
doQueueAudio(gsl::as_bytes(data));
}
// Int16
else if (outputFormat.format == AudioSampleFormat::Int16) {
if (tmpShort.size() < numSamples) {
tmpShort.resize(numSamples);
}
for (ptrdiff_t i = 0; i < data.size(); ++i) {
for (size_t j = 0; j < 16; ++j) {
tmpShort[i * 16 + j] = static_cast<short>(data[i].samples[j] * 32768.0f);
}
}
doQueueAudio(gsl::as_bytes(gsl::span<short>(tmpShort)));
}
// Int32
else if (outputFormat.format == AudioSampleFormat::Int32) {
if (tmpInt.size() < numSamples) {
tmpInt.resize(numSamples);
}
for (ptrdiff_t i = 0; i < data.size(); ++i) {
for (size_t j = 0; j < 16; ++j) {
tmpInt[i * 16 + j] = static_cast<int>(data[i].samples[j] * 2147483648.0f);
}
}
doQueueAudio(gsl::as_bytes(gsl::span<int>(tmpInt)));
}
}
void BufferObject::set_data(gsl::span<const gsl::byte> data, Usage usage) {
bind();
GL(glBufferData(GLenum(target_), data.size(), data.data(), GLenum(usage)));
}
void AasRenderer::RenderShadowMapShadow(gsl::span<gfx::AnimatedModel*> models,
gsl::span<const gfx::AnimatedModelParams*> modelParams,
const XMFLOAT3 ¢er,
float radius,
float height,
const XMFLOAT4 &lightDir,
float alpha,
bool softShadows) {
Expects(models.size() == modelParams.size());
float shadowMapWorldX, shadowMapWorldWidth,
shadowMapWorldZ, shadowMapWorldHeight;
if (lightDir.x < 0.0) {
shadowMapWorldX = center.x - 2 * radius + lightDir.x * height;
shadowMapWorldWidth = 4 * radius - lightDir.x * height;
} else {
shadowMapWorldX = center.x - 2 * radius;
shadowMapWorldWidth = lightDir.x * height + 4 * radius;
}
if (lightDir.z < 0.0) {
shadowMapWorldZ = center.z - 2 * radius + lightDir.z * height;
shadowMapWorldHeight = 4 * radius - lightDir.z * height;
} else {
shadowMapWorldZ = center.z - 2 * radius;
shadowMapWorldHeight = lightDir.z + height + 4 * radius;
}
CComPtr<IDirect3DSurface9> currentTarget;
D3DLOG(mDevice.GetDevice()->GetRenderTarget(0, ¤tTarget));
D3DLOG(mDevice.GetDevice()->SetRenderTarget(0, mShadowTarget->GetSurface()));
CComPtr<IDirect3DSurface9> depthStencil;
mDevice.GetDevice()->GetDepthStencilSurface(&depthStencil);
mDevice.GetDevice()->SetDepthStencilSurface(nullptr);
mDevice.SetMaterial(mShadowMapMaterial);
// Set shader params
XMFLOAT4 floats{ shadowMapWorldX, shadowMapWorldZ, shadowMapWorldWidth, shadowMapWorldHeight };
mDevice.GetDevice()->SetVertexShaderConstantF(0, &floats.x, 1);
mDevice.GetDevice()->SetVertexShaderConstantF(1, &lightDir.x, 1);
floats.x = center.y;
mDevice.GetDevice()->SetVertexShaderConstantF(2, &floats.x, 1);
XMCOLOR color(0, 0, 0, 0.5f);
XMStoreFloat4(&floats, PackedVector::XMLoadColor(&color));
mDevice.GetDevice()->SetVertexShaderConstantF(4, &floats.x, 1);
D3DLOG(mDevice.GetDevice()->Clear(0, nullptr, D3DCLEAR_TARGET, 0, 0, 0));
for (size_t i = 0; i < models.size(); ++i) {
RenderWithoutMaterial(models[i], *modelParams[i]);
}
if (softShadows) {
mDevice.SetMaterial(mGaussBlurHor);
D3DLOG(mDevice.GetDevice()->SetRenderTarget(0, mShadowTargetTmp->GetSurface()));
mShapeRenderer2d.DrawFullScreenQuad();
mDevice.SetMaterial(mGaussBlurVer);
D3DLOG(mDevice.GetDevice()->SetRenderTarget(0, mShadowTarget->GetSurface()));
mShapeRenderer2d.DrawFullScreenQuad();
}
D3DLOG(mDevice.GetDevice()->SetRenderTarget(0, currentTarget));
D3DLOG(mDevice.GetDevice()->SetDepthStencilSurface(depthStencil));
auto shadowMapWorldBottom = shadowMapWorldZ + shadowMapWorldHeight;
auto shadowMapWorldRight = shadowMapWorldX + shadowMapWorldWidth;
std::array<gfx::ShapeVertex3d, 4> corners;
corners[0].pos = { shadowMapWorldX, center.y, shadowMapWorldZ };
corners[1].pos = { shadowMapWorldX, center.y, shadowMapWorldBottom };
corners[2].pos = { shadowMapWorldRight, center.y, shadowMapWorldBottom };
corners[3].pos = { shadowMapWorldRight, center.y, shadowMapWorldZ };
corners[0].uv = { 0, 0 };
corners[1].uv = { 0, 1 };
corners[2].uv = { 1, 1 };
corners[3].uv = { 1, 0 };
mShapeRenderer3d.DrawQuad(corners, 0xFFFFFFFF, mShadowTarget);
}
void data(gsl::span<const data_type> cont) noexcept
{
size_ = cont.size();
bind();
glBufferData(target, size_bytes(), cont.data(), usage);
}
void NetworkService::receivePacket(gsl::span<gsl::byte> received, std::string* error)
{
if (error) {
std::cout << "Error receiving packet: " << (*error) << std::endl;
// Find the owner of this remote endpoint
for (auto& conn : pimpl->activeConnections) {
if (conn.second->matchesEndpoint(pimpl->remoteEndpoint)) {
conn.second->setError(*error);
conn.second->close();
}
}
return;
}
if (received.size_bytes() == 0) {
return;
}
// Read connection id
short id = -1;
std::array<unsigned char, 2> bytes;
auto dst = gsl::as_writeable_bytes(gsl::span<unsigned char, 2>(bytes));
dst[0] = received[0];
if (bytes[0] & 0x80) {
if (received.size_bytes() < 2) {
// Invalid header
std::cout << "Invalid header\n";
return;
}
dst[1] = received[1];
received = received.subspan(2);
id = short(bytes[0] & 0x7F) | short(bytes[1]);
} else {
received = received.subspan(1);
id = short(bytes[0]);
}
// No connection id, check if it's a connection request
if (id == 0 && isValidConnectionRequest(received)) {
auto& pending = pimpl->pendingIncomingConnections;
if (std::find(pending.begin(), pending.end(), pimpl->remoteEndpoint) == pending.end()) {
pending.push_back(pimpl->remoteEndpoint);
}
// Pending connection is valid
return;
}
// Find the owner of this remote endpoint
auto conn = pimpl->activeConnections.find(id);
if (conn == pimpl->activeConnections.end()) {
// Connection doesn't exist, but check the pending slot
conn = pimpl->activeConnections.find(0);
if (conn == pimpl->activeConnections.end()) {
// Nope, give up
return;
}
}
// Validate that this connection is who it claims to be
if (conn->second->matchesEndpoint(pimpl->remoteEndpoint)) {
auto connection = conn->second;
if (error) {
// Close the connection if there was an error
connection->setError(*error);
connection->close();
} else {
try {
connection->onReceive(received);
if (conn->first == 0) {
// Hold on, we're still on 0, re-bind to the id
short newId = connection->getConnectionId();
if (newId != 0) {
pimpl->activeConnections[newId] = connection;
pimpl->activeConnections.erase(conn);
}
}
} catch (std::exception& e) {
connection->setError(e.what());
connection->close();
} catch (...) {
connection->setError("Unknown error receiving packet.");
connection->close();
}
}
}
}
bool NetworkService::isValidConnectionRequest(gsl::span<const gsl::byte> data)
{
HandshakeOpen open;
return acceptingConnections && data.size() == sizeof(open) && memcmp(data.data(), &open, sizeof(open.handshake)) == 0;
}