mirror of
https://github.com/scratchfoundation/bgfx.git
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42 lines
1.2 KiB
Text
42 lines
1.2 KiB
Text
struct v2f_surf {
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highp vec4 pos;
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lowp vec2 pack0;
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lowp vec3 halfDir;
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lowp vec3 lightDir;
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lowp vec3 vlight;
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};
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uniform sampler2D _BumpMap;
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uniform lowp vec4 _LightColor0;
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uniform sampler2D _MainTex;
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uniform lowp float _Shininess;
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lowp vec4 frag_surf (in v2f_surf IN) {
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lowp vec4 tex;
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lowp vec3 Normal;
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lowp float diff;
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lowp float nh;
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lowp float spec;
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lowp vec4 c;
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tex = texture2D (_MainTex, IN.pack0);
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Normal = (texture2D( _BumpMap, IN.pack0).xyz * 2.0) - 1.0;
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diff = max (0.0, dot(Normal, IN.lightDir));
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nh = max (0.0, dot(Normal, IN.halfDir));
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spec = pow(nh, _Shininess) * tex.w;
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c.xyz = ((vec3(tex) * ((_LightColor0.xyz * diff) + IN.vlight)) + (_LightColor0.xyz * spec));
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c.w = 0.00000;
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return c;
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}
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varying lowp vec2 xlv_TEXCOORD0;
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varying lowp vec3 xlv_TEXCOORD1;
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varying lowp vec3 xlv_TEXCOORD2;
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varying lowp vec3 xlv_TEXCOORD3;
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void main() {
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lowp vec4 xl_retval;
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v2f_surf xlt_IN;
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xlt_IN.pos = vec4(0.0);
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xlt_IN.pack0 = vec2(xlv_TEXCOORD0);
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xlt_IN.halfDir = vec3(xlv_TEXCOORD1);
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xlt_IN.lightDir = vec3(xlv_TEXCOORD2);
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xlt_IN.vlight = vec3(xlv_TEXCOORD3);
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xl_retval = frag_surf(xlt_IN);
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gl_FragData[0] = vec4(xl_retval);
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}
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