mirror of https://github.com/axmolengine/axmol.git
80 lines
2.6 KiB
C++
80 lines
2.6 KiB
C++
/****************************************************************************
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Copyright (c) 2018-2019 Xiamen Yaji Software Co., Ltd.
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https://axmolengine.github.io/
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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
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, 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 <array>
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#include <vector>
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#include "Macros.h"
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#include "Types.h"
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NS_AX_BACKEND_BEGIN
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class TextureBackend;
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/**
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* @addtogroup _backend
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* @{
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*/
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struct RenderPassFlags
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{
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/**
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* bitmask indicating which buffers to clear at the beginning of a render pass.
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* This implies discard.
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*/
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TargetBufferFlags clear;
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/**
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* bitmask indicating which buffers to discard at the beginning of a render pass.
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* Discarded buffers have uninitialized content, they must be entirely drawn over or cleared.
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*/
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TargetBufferFlags discardStart;
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/**
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* bitmask indicating which buffers to discard at the end of a render pass.
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* Discarded buffers' content becomes invalid, they must not be read from again.
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*/
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TargetBufferFlags discardEnd;
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};
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/**
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* Store values about color, depth and stencil attachment.
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*/
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struct RenderPassDescriptor
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{
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RenderPassDescriptor& operator=(const RenderPassDescriptor& descriptor) = default;
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bool operator==(const RenderPassDescriptor& descriptor) const;
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float clearDepthValue = 0.f;
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float clearStencilValue = 0.f;
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std::array<float, 4> clearColorValue{{0.f, 0.f, 0.f, 0.f}}; // double-braces required in C++11
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// Now, only clear flag used
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RenderPassFlags flags{};
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};
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// end of _backend group
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/// @}
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NS_AX_BACKEND_END
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