D3D11 window up and spinning.

This commit is contained in:
Ben Vanik
2013-10-11 20:23:58 -07:00
parent 611d3bbbeb
commit 6e4fb87992
33 changed files with 1184 additions and 62 deletions

View File

@@ -21,20 +21,12 @@ using namespace xe::gpu::xenos;
RingBufferWorker::RingBufferWorker(xe_memory_ref memory) :
memory_(memory), driver_(0) {
running_ = true;
write_ptr_index_event_ = CreateEvent(
NULL, FALSE, FALSE, NULL);
thread_ = xe_thread_create(
"RingBufferWorker",
(xe_thread_callback)ThreadStartThunk, this);
}
RingBufferWorker::~RingBufferWorker() {
// TODO(benvanik): thread join.
running_ = false;
SetEvent(write_ptr_index_event_);
xe_thread_release(thread_);
CloseHandle(write_ptr_index_event_);
}
@@ -44,8 +36,6 @@ void RingBufferWorker::Initialize(GraphicsDriver* driver,
primary_buffer_ptr_ = ptr;
primary_buffer_size_ = page_count * 4 * 1024;
read_ptr_index_ = 0;
xe_thread_start(thread_);
}
void RingBufferWorker::EnableReadPointerWriteBack(uint32_t ptr,
@@ -64,40 +54,40 @@ void RingBufferWorker::UpdateWritePointer(uint32_t value) {
SetEvent(write_ptr_index_event_);
}
void RingBufferWorker::ThreadStart() {
void RingBufferWorker::Pump() {
uint8_t* p = xe_memory_addr(memory_);
while (running_) {
if (write_ptr_index_ == 0xBAADF00D ||
read_ptr_index_ == write_ptr_index_) {
// Wait for the command buffer pointer to move.
// TODO(benvanik): only wait for a bit and check running_.
WaitForSingleObject(write_ptr_index_event_, INFINITE);
if (!running_) {
break;
}
}
if (read_ptr_index_ == write_ptr_index_) {
continue;
if (write_ptr_index_ == 0xBAADF00D ||
read_ptr_index_ == write_ptr_index_) {
// Check if the pointer has moved.
// We wait a short bit here to yield time. Since we are also running the
// main window display we don't want to pause too long, though.
const int wait_time_ms = 1;
if (WaitForSingleObject(write_ptr_index_event_,
wait_time_ms) == WAIT_TIMEOUT) {
return;
}
}
if (read_ptr_index_ == write_ptr_index_) {
return;
}
// Process the new commands.
XELOGGPU("Ring buffer thread work");
// Process the new commands.
XELOGGPU("Ring buffer thread work");
// TODO(benvanik): handle wrapping around
// read_ptr_index_ = (read_ptr_index_ + 1) % (primary_buffer_size_ / 4);
XEASSERT(write_ptr_index_ >= read_ptr_index_);
uint32_t length = write_ptr_index_ - read_ptr_index_;
if (length) {
ExecuteSegment(primary_buffer_ptr_ + read_ptr_index_ * 4, length);
read_ptr_index_ = write_ptr_index_;
}
// TODO(benvanik): handle wrapping around
// read_ptr_index_ = (read_ptr_index_ + 1) % (primary_buffer_size_ / 4);
XEASSERT(write_ptr_index_ >= read_ptr_index_);
uint32_t length = write_ptr_index_ - read_ptr_index_;
if (length) {
ExecuteSegment(primary_buffer_ptr_ + read_ptr_index_ * 4, length);
read_ptr_index_ = write_ptr_index_;
}
// TODO(benvanik): use read_ptr_update_freq_ and only issue after moving
// that many indices.
if (read_ptr_writeback_ptr_) {
XESETUINT32BE(p + read_ptr_writeback_ptr_, read_ptr_index_);
}
// TODO(benvanik): use read_ptr_update_freq_ and only issue after moving
// that many indices.
if (read_ptr_writeback_ptr_) {
XESETUINT32BE(p + read_ptr_writeback_ptr_, read_ptr_index_);
}
}