mirror of
https://github.com/scratchfoundation/bgfx.git
synced 2024-12-04 21:31:11 -05:00
96 lines
2.1 KiB
Text
96 lines
2.1 KiB
Text
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struct v2f {
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vec4 vertex;
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vec4 uvgrab;
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vec2 uvbump;
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vec2 uvmain;
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};
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uniform sampler2D _MainTex;
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uniform vec4 _GrabTexture_TexelSize;
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uniform sampler2D _GrabTexture;
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uniform sampler2D _BumpMap;
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uniform float _BumpAmt;
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vec4 UnpackNormal (
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in vec4 packednormal_1
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)
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{
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vec4 normal_2;
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vec2 tmpvar_3;
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tmpvar_3 = ((packednormal_1.wy * 2.0) - 1.0);
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normal_2.xy = tmpvar_3.xy.xy;
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float tmpvar_4;
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tmpvar_4 = sqrt (((1.0 - (normal_2.x * normal_2.x)) - (normal_2.y * normal_2.y)));
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float tmpvar_5;
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tmpvar_5 = tmpvar_4;
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normal_2.z = vec3(tmpvar_5).z;
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return normal_2;
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}
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vec4 frag (
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in v2f i_6
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)
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{
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vec4 tint_7;
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vec4 col_8;
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vec2 offset_9;
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vec2 bump_10;
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vec4 tmpvar_11;
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tmpvar_11 = texture2D (_BumpMap, i_6.uvbump);
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vec4 tmpvar_12;
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tmpvar_12 = UnpackNormal (tmpvar_11);
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vec2 tmpvar_13;
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tmpvar_13 = tmpvar_12.xy;
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bump_10 = tmpvar_13;
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vec2 tmpvar_14;
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tmpvar_14 = ((bump_10 * _BumpAmt) * _GrabTexture_TexelSize.xy);
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offset_9 = tmpvar_14;
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vec2 tmpvar_15;
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tmpvar_15 = ((offset_9 * i_6.uvgrab.z) + i_6.uvgrab.xy);
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i_6.uvgrab.xy = tmpvar_15.xy.xy;
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vec4 tmpvar_16;
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tmpvar_16 = texture2DProj (_GrabTexture, i_6.uvgrab);
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vec4 tmpvar_17;
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tmpvar_17 = tmpvar_16;
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col_8 = tmpvar_17;
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vec4 tmpvar_18;
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tmpvar_18 = texture2D (_MainTex, i_6.uvmain);
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vec4 tmpvar_19;
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tmpvar_19 = tmpvar_18;
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tint_7 = tmpvar_19;
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return (col_8 * tint_7);
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}
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void main ()
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{
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v2f xlt_i_20;
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vec4 xl_retval_21;
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vec4 tmpvar_22;
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tmpvar_22 = vec4(0.0, 0.0, 0.0, 0.0);
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xlt_i_20.vertex = tmpvar_22;
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vec4 tmpvar_23;
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tmpvar_23 = gl_TexCoord[0].xyzw;
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vec4 tmpvar_24;
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tmpvar_24 = tmpvar_23;
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xlt_i_20.uvgrab = tmpvar_24;
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vec2 tmpvar_25;
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tmpvar_25 = gl_TexCoord[1].xy;
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vec2 tmpvar_26;
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tmpvar_26 = tmpvar_25;
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xlt_i_20.uvbump = tmpvar_26;
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vec2 tmpvar_27;
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tmpvar_27 = gl_TexCoord[2].xy;
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vec2 tmpvar_28;
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tmpvar_28 = tmpvar_27;
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xlt_i_20.uvmain = tmpvar_28;
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vec4 tmpvar_29;
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tmpvar_29 = frag (xlt_i_20);
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vec4 tmpvar_30;
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tmpvar_30 = tmpvar_29;
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xl_retval_21 = tmpvar_30;
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vec4 tmpvar_31;
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tmpvar_31 = xl_retval_21.xyzw;
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vec4 tmpvar_32;
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tmpvar_32 = tmpvar_31;
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gl_FragData[0] = tmpvar_32;
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}
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