cpp

#include "HelloWorldScene.h"

USING_NS_CC;

Scene* HelloWorld::createScene(){
	auto scene = Scene::create();
	auto layer = HelloWorld::create();
	scene->addChild(layer);
	return scene;
}

bool HelloWorld::init(){
    if ( !Layer::init()){ return false; }
    
    Size visibleSize = Director::getInstance()->getVisibleSize();

    //スプライトを作成
    auto sprite1 = Sprite::create("HelloWorld512.png"); 
    auto textureSize = sprite1->getTexture()->getContentSizeInPixels();
    sprite1->setPosition(visibleSize.width / 2.0f, visibleSize.height / 2.0f);
    sprite1->setScale(2.0);

    //シェーダをスプライトに紐付け
    GLProgram *shader1 = new GLProgram();
    sprite1->setShaderProgram(shader1);
    shader1->initWithFilenames("shaders/tegra_check.vsh", "shaders/tegra_check.fsh");
    shader1->bindAttribLocation(GLProgram::ATTRIBUTE_NAME_POSITION, GLProgram::VERTEX_ATTRIB_POSITION);
    shader1->bindAttribLocation(GLProgram::ATTRIBUTE_NAME_TEX_COORD, GLProgram::VERTEX_ATTRIB_TEX_COORDS);
    shader1->bindAttribLocation(GLProgram::ATTRIBUTE_NAME_COLOR, GLProgram::VERTEX_ATTRIB_COLOR);
    shader1->link();
    shader1->updateUniforms();
    shader1->setUniformLocationWith1f(shader1->getUniformLocationForName("u_loop"), 10);
    float u_array[3] = { 1.0, 2.0, 3.0 };
    glUniform1fv(shader1->getUniformLocationForName("u_array"), sizeof(u_array), (GLfloat*)u_array);
    shader1->setUniformLocationWith1i(shader1->getUniformLocationForName("u_index"), 2);
    addChild(sprite1);    
    return true;
}

void HelloWorld::menuCloseCallback(Ref* pSender){
#if (CC_TARGET_PLATFORM == CC_PLATFORM_WP8) || (CC_TARGET_PLATFORM == CC_PLATFORM_WINRT)
	MessageBox("You pressed the close button. Windows Store Apps do not implement a close button.","Alert");
    return;
#endif

    Director::getInstance()->end();

#if (CC_TARGET_PLATFORM == CC_PLATFORM_IOS)
    exit(0);
#endif
}

fsh

#ifdef GL_ES
precision mediump float;
#endif

varying vec2      v_texCoord;
varying lowp vec4 v_color;

uniform sampler2D u_texture;
uniform int       u_loop;
uniform float     u_array[3];
uniform int       u_index;

//検証に使った端末
//Nexus7(2012)             Android4.2.2 Tegra 3
//ArrowsZ         ISW13F   Android4.0.3 Tegra 3
//Optimus X       IS11LG   Android4.0.4 Tegra 250
//MOTOROLA PHOTON ISW11M   Android2.3.4 Tegra 250
//AQUOS PHONE CL  IS17SH   Android4.0.4 Adreno 205
//MEDIAS BR       IS11N    Android2.3.5 Adreno 205
//ArrowsZ         ISW11F   Android2.3.5 PowerVR SGX540
//GalaxySII       ISW11SC  Android2.3.6 ARM Mali-400MP4
//GALAPAGOS       EB-W51GJ Android2.3.3 Z430

void main(){
//////////////////////////////////////////////////////////
    float array[3];
    array[0] = 1.0;
    array[1] = 2.0;
    array[2] = 3.0;

    //全端末でOK
  gl_FragColor = texture2D(u_texture, v_texCoord) / 3.0;

    //全端末でOK
//  gl_FragColor = texture2D(u_texture, v_texCoord) / array[2];

    //全端末でOK
//  gl_FragColor = texture2D(u_texture, v_texCoord) / u_array[2];

    //IS17SH：初期化中に固まる
    //Nexus7、ISW13F、IS11LG、ISW11M、IS11N、EB-W51GJ：シェーダの処理が反映されない
    //ISW11F：0.0扱い
//  gl_FragColor = texture2D(u_texture, v_texCoord) / array[u_index];

    //IS17SH、IS11N、EB-W51GJ：0.0扱い
    //Nexus7、ISW13F、IS11LG、ISW11M：シェーダの処理が反映されない
    //※なぜかISW11Fはちゃんと動く
//  gl_FragColor = texture2D(u_texture, v_texCoord) / u_array[u_index];


//////////////////////////////////////////////////////////
    float tmp = 3.0;
    int dummy_loop = 20;

    //全端末でOK
//    for(int i = 0; i < 10; i++){ tmp *= 1.0; }

    //Nexus7、ISW13F、IS11LG、ISW11M：シェーダの処理が反映されない
//    for(int i = 0; i < u_loop; i++){ tmp *= 1.0; }

    //全端末でOK
//  for(int i = 0; i < dummy_loop; i++){ 
//      if(u_loop > i){ tmp *= 1.0; }
//  }

    //全端末でOK
//    for(int i = 0; i < dummy_loop; i++){ 
//        if(u_loop == i){ break; }
//        tmp *= 1.0; 
//    }

    //Nexus7、ISW13F、IS11LG、ISW11M：シェーダの処理が反映されない
//    for(int i = -u_loop; i < 0; i++){ tmp *= 1.0; }

    //全端末でOK
//    for(int i = -dummy_loop; i < 0; i++){ 
//        if(-u_loop <= i){ tmp *= 1.0; }
//    }

//    gl_FragColor = texture2D(u_texture, v_texCoord) / tmp;


}

vsh

attribute vec4 a_position;
attribute vec2 a_texCoord;
attribute vec4 a_color;

varying vec2 v_texCoord;
varying vec4 v_color;
  
void main() {
    gl_Position = CC_PMatrix * a_position;
    v_color = a_color;
    v_texCoord = a_texCoord;
}