{"__type__":"cc.EffectAsset","_name":"builtin-2d-sprite","properties":{"texture":{"type":13,"value":null},"alphaThreshold":{"value":0.5}},"techniques":[{"passes":[{"cullMode":0,"blend":true,"program":"cea1abc1cddcfe17654f435ec4a977f72769819d4d7c0460b90eedb5"}],"layer":0,"stages":["opaque"],"queue":0,"priority":0}],"shaders":[{"vert":"\n#define _IS_VERT_SHADER 1\n\nprecision highp float;\n\nuniform mat4 cc_matViewProj;\n\n#if _USE_MODEL\n  uniform mat4 cc_matWorld;\n#endif\n\nattribute vec3 a_position;\nattribute lowp vec4 a_color;\n\n#if USE_TEXTURE\n  attribute mediump vec2 a_uv0;\n  varying mediump vec2 v_uv0;\n#endif\n\nvarying lowp vec4 v_color;\n\nvoid main () {\n  mat4 mvp;\n  \n  #if _USE_MODEL\n    mvp = cc_matViewProj * cc_matWorld;\n  #else\n    mvp = cc_matViewProj;\n  #endif\n\n  #if USE_TEXTURE\n    v_uv0 = a_uv0;\n  #endif\n\n  v_color = a_color;\n\n  gl_Position = mvp * vec4(a_position, 1);\n}\n\n\n","frag":"\n#define _IS_FRAG_SHADER 1\n\nprecision highp float;\n\n#if USE_TEXTURE\n  uniform sampler2D texture;\n  varying mediump vec2 v_uv0;\n#endif\n\n#if USE_ALPHA_TEST\n  uniform float alphaThreshold;\n#endif\n\nvoid ALPHA_TEST (in vec4 color) {\n  #if USE_ALPHA_TEST\n      if (color.a < alphaThreshold) discard;\n  #endif\n}\n\nvoid ALPHA_TEST (in float alpha) {\n  #if USE_ALPHA_TEST\n      if (alpha < alphaThreshold) discard;\n  #endif\n}\n\nvarying lowp vec4 v_color;\n\nvoid main () {\n  vec4 color = v_color;\n\n  #if USE_TEXTURE\n    color *= texture2D(texture, v_uv0);\n    #if _USE_ETC1_TEXTURE\n      color.a *= texture2D(texture, v_uv0 + vec2(0, 0.5)).r;\n    #endif\n  #endif\n\n  ALPHA_TEST(color);\n\n  gl_FragColor = color;\n}\n\n\n","defines":[{"name":"_USE_MODEL","type":"boolean","defines":[]},{"name":"USE_TEXTURE","type":"boolean","defines":[]},{"name":"USE_ALPHA_TEST","type":"boolean","defines":[]},{"name":"_USE_ETC1_TEXTURE","type":"boolean","defines":["USE_TEXTURE"]}],"uniforms":[{"name":"texture","type":13,"defines":["USE_TEXTURE"]},{"name":"alphaThreshold","type":4,"property":true,"defines":["USE_ALPHA_TEST"]}],"attributes":[{"name":"a_position","type":6,"defines":[]},{"name":"a_color","type":7,"defines":[]},{"name":"a_uv0","type":5,"defines":["USE_TEXTURE"]}],"extensions":[],"name":"cea1abc1cddcfe17654f435ec4a977f72769819d4d7c0460b90eedb5"}]}