mirror of https://github.com/axmolengine/axmol.git
144 lines
4.5 KiB
C++
144 lines
4.5 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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http://www.cocos2d-x.org
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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/CCCustomCommand.h"
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#include "renderer/CCTextureAtlas.h"
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#include "renderer/backend/Buffer.h"
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#include "renderer/backend/Device.h"
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#include "base/ccUtils.h"
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NS_CC_BEGIN
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CustomCommand::CustomCommand()
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{
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_type = RenderCommand::Type::CUSTOM_COMMAND;
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}
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CustomCommand::~CustomCommand()
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{
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CC_SAFE_RELEASE(_vertexBuffer);
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CC_SAFE_RELEASE(_indexBuffer);
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}
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void CustomCommand::init(float depth, const cocos2d::Mat4 &modelViewTransform, unsigned int flags)
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{
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RenderCommand::init(depth, modelViewTransform, flags);
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}
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void CustomCommand::init(float globalZOrder)
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{
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_globalOrder = globalZOrder;
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}
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void CustomCommand::init(float globalZOrder, const BlendFunc& blendFunc)
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{
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_globalOrder = globalZOrder;
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auto& blendDescriptor = _pipelineDescriptor.blendDescriptor;
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blendDescriptor.blendEnabled = true;
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blendDescriptor.sourceRGBBlendFactor = blendDescriptor.sourceAlphaBlendFactor = blendFunc.src;
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blendDescriptor.destinationRGBBlendFactor = blendDescriptor.destinationAlphaBlendFactor = blendFunc.dst;
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}
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void CustomCommand::createVertexBuffer(std::size_t vertexSize, std::size_t capacity, BufferUsage usage)
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{
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CC_SAFE_RELEASE(_vertexBuffer);
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_vertexCapacity = capacity;
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_vertexDrawCount = capacity;
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auto device = backend::Device::getInstance();
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_vertexBuffer = device->newBuffer(vertexSize * capacity, backend::BufferType::VERTEX, usage);
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}
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void CustomCommand::createIndexBuffer(IndexFormat format, std::size_t capacity, BufferUsage usage)
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{
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CC_SAFE_RELEASE(_indexBuffer);
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_indexFormat = format;
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_indexSize = computeIndexSize();
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_indexCapacity = capacity;
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_indexDrawCount = capacity;
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auto device = backend::Device::getInstance();
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_indexBuffer = device->newBuffer(_indexSize * capacity, backend::BufferType::INDEX, usage);
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}
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void CustomCommand::updateVertexBuffer(void* data, std::size_t offset, std::size_t length)
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{
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assert(_vertexBuffer);
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_vertexBuffer->updateSubData(data, offset, length);
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}
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void CustomCommand::updateIndexBuffer(void* data, std::size_t offset, std::size_t length)
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{
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assert(_indexBuffer);
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_indexBuffer->updateSubData(data, offset, length);
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}
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void CustomCommand::setVertexBuffer(backend::Buffer *vertexBuffer)
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{
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if (_vertexBuffer == vertexBuffer)
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return;
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CC_SAFE_RELEASE(_vertexBuffer);
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_vertexBuffer = vertexBuffer;
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CC_SAFE_RETAIN(_vertexBuffer);
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}
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void CustomCommand::setIndexBuffer(backend::Buffer *indexBuffer, IndexFormat format)
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{
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if (_indexBuffer == indexBuffer && _indexFormat == format)
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return;
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CC_SAFE_RELEASE(_indexBuffer);
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_indexBuffer = indexBuffer;
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CC_SAFE_RETAIN(_indexBuffer);
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_indexFormat = format;
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_indexSize = computeIndexSize();
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}
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void CustomCommand::updateVertexBuffer(void* data, std::size_t length)
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{
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assert(_vertexBuffer);
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_vertexBuffer->updateData(data, length);
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}
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void CustomCommand::updateIndexBuffer(void* data, std::size_t length)
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{
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assert(_indexBuffer);
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_indexBuffer->updateData(data, length);
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}
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std::size_t CustomCommand::computeIndexSize() const
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{
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if (IndexFormat::U_SHORT == _indexFormat)
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return sizeof(unsigned short);
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else
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return sizeof(unsigned int);
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}
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NS_CC_END
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