dawn-cmake/src/wire/TerribleCommandBuffer.cpp

53 lines
1.4 KiB
C++

// Copyright 2017 The NXT Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "wire/TerribleCommandBuffer.h"
namespace nxt {
namespace wire {
TerribleCommandBuffer::TerribleCommandBuffer() {
}
TerribleCommandBuffer::TerribleCommandBuffer(CommandHandler* handler) : handler(handler) {
}
void TerribleCommandBuffer::SetHandler(CommandHandler* handler) {
this->handler = handler;
}
void* TerribleCommandBuffer::GetCmdSpace(size_t size) {
if (size > sizeof(buffer)) {
return nullptr;
}
uint8_t* result = &buffer[offset];
offset += size;
if (offset > sizeof(buffer)) {
Flush();
return GetCmdSpace(size);
}
return result;
}
void TerribleCommandBuffer::Flush() {
handler->HandleCommands(buffer, offset);
offset = 0;
}
}
}