mirror of https://github.com/axmolengine/axmol.git
111 lines
3.7 KiB
C++
111 lines
3.7 KiB
C++
/****************************************************************************
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Copyright (c) 2013-2016 Chukong Technologies Inc.
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Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
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Copyright (c) 2019-present Axmol Engine contributors (see AUTHORS.md).
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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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#include "renderer/QuadCommand.h"
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#include "renderer/Material.h"
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#include "renderer/Technique.h"
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#include "renderer/Renderer.h"
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#include "renderer/Pass.h"
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#include "renderer/Texture2D.h"
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#include "base/Utils.h"
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NS_AX_BEGIN
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int QuadCommand::__indexCapacity = -1;
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uint16_t* QuadCommand::__indices = nullptr;
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void QuadCommand::destroyIsolatedIndices()
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{
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AX_SAFE_DELETE_ARRAY(__indices);
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__indexCapacity = -1;
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}
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QuadCommand::QuadCommand() : _indexSize(-1), _ownedIndices() {}
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QuadCommand::~QuadCommand()
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{
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for (auto&& indices : _ownedIndices)
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{
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AX_SAFE_DELETE_ARRAY(indices);
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}
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}
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void QuadCommand::reIndex(int indicesCount)
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{
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// first time init: create a decent buffer size for indices to prevent too much resizing
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if (__indexCapacity == -1)
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{
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indicesCount = std::max(indicesCount, 2048);
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}
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if (indicesCount > __indexCapacity)
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{
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// if resizing is needed, get needed size plus 25%, but not bigger that max size
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indicesCount *= 1.25;
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indicesCount = std::min(indicesCount, 65536);
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AXLOG("axmol: QuadCommand: resizing index size from [%d] to [%d]", __indexCapacity, indicesCount);
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_ownedIndices.emplace_back(__indices);
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__indices = new uint16_t[indicesCount];
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__indexCapacity = indicesCount;
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}
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for (int i = 0; i < __indexCapacity / 6; i++)
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{
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__indices[i * 6 + 0] = (uint16_t)(i * 4 + 0);
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__indices[i * 6 + 1] = (uint16_t)(i * 4 + 1);
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__indices[i * 6 + 2] = (uint16_t)(i * 4 + 2);
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__indices[i * 6 + 3] = (uint16_t)(i * 4 + 3);
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__indices[i * 6 + 4] = (uint16_t)(i * 4 + 2);
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__indices[i * 6 + 5] = (uint16_t)(i * 4 + 1);
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}
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_indexSize = indicesCount;
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}
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void QuadCommand::init(float globalOrder,
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Texture2D* texture,
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const BlendFunc& blendType,
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V3F_C4B_T2F_Quad* quads,
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ssize_t quadCount,
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const Mat4& mv,
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uint32_t flags)
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{
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if (quadCount * 6 > _indexSize)
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reIndex((int)quadCount * 6);
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Triangles triangles;
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triangles.verts = &quads->tl;
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triangles.vertCount = (int)quadCount * 4;
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triangles.indices = __indices;
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triangles.indexCount = (int)quadCount * 6;
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TrianglesCommand::init(globalOrder, texture, blendType, triangles, mv, flags);
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}
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NS_AX_END
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