blob: 95478f964acf9bd6df37a94cd5c7ae3996b30ee6 [file] [log] [blame] [edit]
// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "impeller/renderer/compute_pass.h"
#include <memory>
#include "impeller/base/strings.h"
#include "impeller/base/validation.h"
#include "impeller/core/host_buffer.h"
namespace impeller {
ComputePass::ComputePass(std::weak_ptr<const Context> context)
: context_(std::move(context)), transients_buffer_(HostBuffer::Create()) {}
ComputePass::~ComputePass() = default;
HostBuffer& ComputePass::GetTransientsBuffer() {
return *transients_buffer_;
}
void ComputePass::SetLabel(const std::string& label) {
if (label.empty()) {
return;
}
transients_buffer_->SetLabel(SPrintF("%s Transients", label.c_str()));
OnSetLabel(label);
}
void ComputePass::SetGridSize(const ISize& size) {
grid_size_ = size;
}
void ComputePass::SetThreadGroupSize(const ISize& size) {
thread_group_size_ = size;
}
bool ComputePass::AddCommand(ComputeCommand command) {
if (!command) {
VALIDATION_LOG
<< "Attempted to add an invalid command to the compute pass.";
return false;
}
commands_.emplace_back(std::move(command));
return true;
}
bool ComputePass::EncodeCommands() const {
if (grid_size_.IsEmpty() || thread_group_size_.IsEmpty()) {
FML_DLOG(WARNING) << "Attempted to encode a compute pass with an empty "
"grid or thread group size.";
return false;
}
auto context = context_.lock();
// The context could have been collected in the meantime.
if (!context) {
return false;
}
return OnEncodeCommands(*context, grid_size_, thread_group_size_);
}
} // namespace impeller