mirror of https://github.com/axmolengine/axmol.git
118 lines
3.2 KiB
C++
118 lines
3.2 KiB
C++
/****************************************************************************
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Copyright (c) 2013-2014 Chukong Technologies Inc.
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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 "2d/renderer/CCQuadCommand.h"
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#include "2d/ccGLStateCache.h"
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#include "xxhash.h"
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NS_CC_BEGIN
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static void convertIntToByteArray(int value, int* output)
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{
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*output = value;
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}
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QuadCommand::QuadCommand()
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:_materialID(0)
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,_textureID(0)
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,_shader(nullptr)
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,_blendType(BlendFunc::DISABLE)
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,_quads(nullptr)
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,_quadsCount(0)
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{
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_type = RenderCommand::Type::QUAD_COMMAND;
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}
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void QuadCommand::init(float globalOrder, GLuint textureID, GLProgram* shader, BlendFunc blendType, V3F_C4B_T2F_Quad* quad, ssize_t quadCount, const Matrix &mv)
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{
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_globalOrder = globalOrder;
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_quadsCount = quadCount;
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_quads = quad;
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_mv = mv;
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if( _textureID != textureID || _blendType.src != blendType.src || _blendType.dst != blendType.dst || _shader != shader) {
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_textureID = textureID;
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_blendType = blendType;
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_shader = shader;
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generateMaterialID();
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}
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}
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QuadCommand::~QuadCommand()
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{
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}
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void QuadCommand::generateMaterialID()
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{
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//TODO fix blend id generation
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int blendID = 0;
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if(_blendType == BlendFunc::DISABLE)
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{
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blendID = 0;
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}
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else if(_blendType == BlendFunc::ALPHA_PREMULTIPLIED)
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{
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blendID = 1;
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}
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else if(_blendType == BlendFunc::ALPHA_NON_PREMULTIPLIED)
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{
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blendID = 2;
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}
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else if(_blendType == BlendFunc::ADDITIVE)
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{
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blendID = 3;
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}
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else
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{
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blendID = 4;
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}
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// convert program id, texture id and blend id into byte array
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int intArray[3];
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convertIntToByteArray(_shader->getProgram(), intArray);
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convertIntToByteArray(blendID, intArray+1);
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convertIntToByteArray(_textureID, intArray+2);
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_materialID = XXH32((const void*)intArray, sizeof(intArray), 0);
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}
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void QuadCommand::useMaterial() const
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{
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_shader->use();
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_shader->setUniformsForBuiltins(_mv);
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//Set texture
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GL::bindTexture2D(_textureID);
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//set blend mode
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GL::blendFunc(_blendType.src, _blendType.dst);
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}
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NS_CC_END |