效果图

Fragment Shader
"uniform sampler2D inputImageTexture;\n" +
"varying highp vec2 textureCoordinate;\n" +
" \n" +
"uniform lowp float tempe
效果图
Fragment Shader
"uniform sampler2D inputImageTexture;\n" +
"varying highp vec2 textureCoordinate;\n" +
" \n" +
"uniform lowp float tempe