mirror of
https://github.com/smallmain/cocos-enhance-kit.git
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103 lines
2.1 KiB
PHP
103 lines
2.1 KiB
PHP
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// Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
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precision highp float;
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#include <cc-global>
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#include <texture>
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#include <output>
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#include <alpha-test>
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uniform PhongFrag {
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lowp vec4 diffuseColor;
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lowp vec4 specularColor;
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lowp vec4 emissiveColor;
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float glossiness;
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};
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#if USE_DIFFUSE_TEXTURE
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uniform sampler2D diffuseTexture;
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#endif
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#if USE_SPECULAR && USE_SPECULAR_TEXTURE
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uniform sampler2D specularTexture;
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#endif
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#if USE_EMISSIVE && USE_EMISSIVE_TEXTURE
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uniform sampler2D emissiveTexture;
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#endif
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#if USE_NORMAL_TEXTURE
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in vec3 v_tangent;
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in vec3 v_bitangent;
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uniform sampler2D normalTexture;
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#endif
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#define CC_USE_TEXTURE CC_USE_ATTRIBUTE_UV0 && (USE_DIFFUSE_TEXTURE || (USE_EMISSIVE && USE_EMISSIVE_TEXTURE) || (USE_SPECULAR && USE_SPECULAR_TEXTURE) || USE_NORMAL_TEXTURE)
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in vec3 v_worldNormal;
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in vec3 v_worldPos;
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in vec3 v_viewDirection;
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#if CC_USE_TEXTURE
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in mediump vec2 v_uv0;
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#endif
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#if CC_USE_ATTRIBUTE_COLOR
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in lowp vec4 v_color;
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#endif
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#include <shading-phong>
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void surf (out PhongSurface s) {
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vec4 diffuse = vec4(1, 1, 1, 1);
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#if CC_USE_ATTRIBUTE_COLOR
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diffuse *= v_color;
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#endif
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diffuse *= diffuseColor;
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#if USE_DIFFUSE_TEXTURE
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CCTexture(diffuseTexture, v_uv0, diffuse);
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#endif
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ALPHA_TEST(diffuse);
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s.diffuse = diffuse.rgb;
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s.opacity = diffuse.a;
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#if USE_EMISSIVE
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s.emissive = emissiveColor.rgb;
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#if USE_EMISSIVE_TEXTURE
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CCTextureRGB(emissiveTexture, v_uv0, s.emissive);
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#endif
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#endif
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#if USE_SPECULAR
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s.specular = specularColor.rgb;
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#if USE_SPECULAR_TEXTURE
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CCTextureRGB(specularTexture, v_uv0, s.specular);
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#endif
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#endif
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s.normal = v_worldNormal;
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#if USE_NORMAL_TEXTURE
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vec3 nmmp = texture(normalTexture, v_uv0).xyz - vec3(0.5);
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s.normal =
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nmmp.x * normalize(v_tangent) +
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nmmp.y * normalize(v_bitangent) +
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nmmp.z * normalize(s.normal);
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s.normal = normalize(s.normal);
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#endif
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s.position = v_worldPos;
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s.viewDirection = v_viewDirection;
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s.glossiness = glossiness;
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}
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void main () {
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PhongSurface s;
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surf(s);
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vec4 color = CCPhongShading(s);
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gl_FragColor = CCFragOutput(color);
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}
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