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106 lines
3.1 KiB
106 lines
3.1 KiB
/****************************************************************************
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Copyright (c) 2019-2023 Xiamen Yaji Software Co., Ltd.
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http://www.cocos.com
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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of the Software, and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#include "GFXBuffer.h"
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#include "GFXDevice.h"
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namespace cc {
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namespace gfx {
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Buffer::Buffer()
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: GFXObject(ObjectType::BUFFER) {
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}
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Buffer::~Buffer() = default;
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ccstd::hash_t Buffer::computeHash(const BufferInfo &info) {
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return Hasher<BufferInfo>()(info);
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}
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void Buffer::initialize(const BufferInfo &info) {
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_usage = info.usage;
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_memUsage = info.memUsage;
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_size = info.size;
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_flags = info.flags;
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_stride = std::max(info.stride, 1U);
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_count = _size / _stride;
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doInit(info);
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if (hasFlag(info.flags, BufferFlagBit::ENABLE_STAGING_WRITE) && getStagingAddress() == nullptr) {
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_data = std::make_unique<uint8_t[]>(_size);
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}
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}
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void Buffer::initialize(const BufferViewInfo &info) {
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_usage = info.buffer->getUsage();
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_memUsage = info.buffer->getMemUsage();
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_flags = info.buffer->getFlags();
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_offset = info.offset;
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_size = _stride = info.range;
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_count = 1U;
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_isBufferView = true;
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doInit(info);
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}
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void Buffer::destroy() {
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doDestroy();
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_offset = _size = _stride = _count = 0U;
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}
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void Buffer::resize(uint32_t size) {
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if (size != _size) {
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uint32_t count = size / _stride;
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doResize(size, count);
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_size = size;
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_count = count;
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}
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}
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void Buffer::write(const uint8_t *value, uint32_t offset, uint32_t size) const {
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CC_ASSERT(hasFlag(_flags, BufferFlagBit::ENABLE_STAGING_WRITE));
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uint8_t *dst = getStagingAddress();
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if (dst == nullptr || offset + size > _size) {
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return;
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}
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memcpy(dst + offset, value, size);
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}
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void Buffer::update() {
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flush(getStagingAddress());
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}
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uint8_t *Buffer::getBufferStagingAddress(Buffer *buffer) {
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return buffer->getStagingAddress();
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}
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void Buffer::flushBuffer(Buffer *buffer, const uint8_t *data) {
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buffer->flush(data);
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}
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} // namespace gfx
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} // namespace cc
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