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81 lines
3.0 KiB
81 lines
3.0 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 "GFXObject.h"
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#include "base/Utils.h"
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#include "GFXDescriptorSetLayout.h"
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namespace cc {
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namespace gfx {
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DescriptorSetLayout::DescriptorSetLayout()
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: GFXObject(ObjectType::DESCRIPTOR_SET_LAYOUT) {
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}
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DescriptorSetLayout::~DescriptorSetLayout() = default;
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void DescriptorSetLayout::initialize(const DescriptorSetLayoutInfo &info) {
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_bindings = info.bindings;
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auto bindingCount = utils::toUint(_bindings.size());
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_descriptorCount = 0U;
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if (bindingCount) {
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uint32_t maxBinding = 0U;
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ccstd::vector<uint32_t> flattenedIndices(bindingCount);
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for (uint32_t i = 0U; i < bindingCount; i++) {
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const DescriptorSetLayoutBinding &binding = _bindings[i];
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if (binding.binding > maxBinding) maxBinding = binding.binding;
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flattenedIndices[i] = _descriptorCount;
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_descriptorCount += binding.count;
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}
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_bindingIndices.resize(maxBinding + 1, INVALID_BINDING);
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_descriptorIndices.resize(maxBinding + 1, INVALID_BINDING);
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for (uint32_t i = 0U; i < bindingCount; i++) {
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const DescriptorSetLayoutBinding &binding = _bindings[i];
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_bindingIndices[binding.binding] = i;
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_descriptorIndices[binding.binding] = flattenedIndices[i];
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if (hasFlag(DESCRIPTOR_DYNAMIC_TYPE, binding.descriptorType)) {
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for (uint32_t j = 0U; j < binding.count; ++j) {
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_dynamicBindings.push_back(binding.binding);
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}
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}
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}
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}
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doInit(info);
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}
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void DescriptorSetLayout::destroy() {
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doDestroy();
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_bindings.clear();
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_descriptorCount = 0U;
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_bindingIndices.clear();
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_descriptorIndices.clear();
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}
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} // namespace gfx
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} // namespace cc
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