axmol/cocos/2d/renderer/CCBatchCommand.cpp

/****************************************************************************
 Copyright (c) 2013-2014 Chukong Technologies Inc.

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#include "2d/renderer/CCBatchCommand.h"
#include "2d/ccGLStateCache.h"
#include "2d/CCTextureAtlas.h"
#include "2d/CCTexture2D.h"

NS_CC_BEGIN

BatchCommand::BatchCommand()
: _textureID(0)
, _blendType(BlendFunc::DISABLE)
, _textureAtlas(nullptr)
{
    _type = RenderCommand::Type::BATCH_COMMAND;
    _shader = nullptr;
}

void BatchCommand::init(float globalOrder, GLProgram* shader, BlendFunc blendType, TextureAtlas *textureAtlas, const Matrix& modelViewTransform)
{
    CCASSERT(shader, "shader cannot be nill");
    CCASSERT(textureAtlas, "textureAtlas cannot be nill");
    
    _globalOrder = globalOrder;
    _textureID = textureAtlas->getTexture()->getName();
    _blendType = blendType;
    _shader = shader;

    _textureAtlas = textureAtlas;

    _mv = modelViewTransform;
}

BatchCommand::~BatchCommand()
{
}

void BatchCommand::execute()
{
    // Set material
    _shader->use();
    _shader->setUniformsForBuiltins(_mv);
    GL::bindTexture2D(_textureID);
    GL::blendFunc(_blendType.src, _blendType.dst);

    // Draw
    _textureAtlas->drawQuads();
}

NS_CC_END