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97 lines
3.6 KiB
97 lines
3.6 KiB
/****************************************************************************
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Copyright (c) 2021-2023 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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#pragma once
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#include <functional>
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#include "audio/android/PcmBufferProvider.h"
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#include "base/std/optional.h"
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#include "core/ArrayBuffer.h"
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#include "renderer/gfx-base/GFXDef.h"
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namespace cc {
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using roundUpType = std::function<uint32_t(uint32_t size, uint32_t formatSize)>;
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struct ITextureBuffer {
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gfx::Texture *texture{nullptr};
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uint32_t size{0};
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index_t start{0};
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index_t end{0};
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};
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struct ITextureBufferHandle {
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index_t chunkIdx{0};
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index_t start{0};
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index_t end{0};
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gfx::Texture *texture{nullptr};
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bool operator==(const ITextureBufferHandle &handle) const {
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return chunkIdx == handle.chunkIdx && start == handle.start && end == handle.end && texture == handle.texture;
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}
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};
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struct ITextureBufferPoolInfo {
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gfx::Format format{gfx::Format::UNKNOWN}; // target texture format
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ccstd::optional<bool> inOrderFree; // will the handles be freed exactly in the order of their allocation?
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ccstd::optional<uint32_t> alignment; // the data alignment for each handle allocated, in bytes
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ccstd::optional<roundUpType> roundUpFn; // given a target size, how will the actual texture size round up?
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};
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class TextureBufferPool : public RefCounted {
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public:
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TextureBufferPool();
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explicit TextureBufferPool(gfx::Device *device);
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~TextureBufferPool() override;
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void initialize(const ITextureBufferPoolInfo &info);
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void destroy();
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ITextureBufferHandle alloc(uint32_t size);
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ITextureBufferHandle alloc(uint32_t size, index_t chunkIdx);
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void free(const ITextureBufferHandle &handle);
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uint32_t createChunk(uint32_t length);
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void update(const ITextureBufferHandle &handle, ArrayBuffer *buffer);
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private:
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index_t findAvailableSpace(uint32_t size, index_t chunkIdx) const;
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// [McDonald 12] Efficient Buffer Management
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ITextureBufferHandle mcDonaldAlloc(uint32_t size);
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gfx::Device *_device{nullptr};
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gfx::Format _format{gfx::Format::UNKNOWN};
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uint32_t _formatSize{0};
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ccstd::vector<ITextureBuffer> _chunks;
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uint32_t _chunkCount{0};
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ccstd::vector<ITextureBufferHandle> _handles;
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gfx::BufferTextureCopy _region0;
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gfx::BufferTextureCopy _region1;
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gfx::BufferTextureCopy _region2;
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roundUpType _roundUpFn{nullptr};
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bool _useMcDonaldAlloc{false};
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uint32_t _channels{4};
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uint32_t _alignment{1};
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CC_DISALLOW_COPY_MOVE_ASSIGN(TextureBufferPool);
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};
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} // namespace cc
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