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59 lines
1015 B
59 lines
1015 B
2 years ago
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R""(
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#if ATTR_TEXCOORD0
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uniform sampler2D uTex0 : TEXUNIT0;
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#endif
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#if ATTR_TEXCOORD1
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uniform sampler2D uTex1 : TEXUNIT1;
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#endif
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#if FEAT_ALPHA_TEST
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uniform float uAlphaTest;
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#endif
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2 years ago
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#if FEAT_FOG
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// color + density, mode always GL_EXP
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uniform float4 uFog;
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#endif
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2 years ago
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float4 main(
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uniform float4 uColor
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#if ATTR_COLOR
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, float4 vColor : COLOR
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#endif
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#if ATTR_TEXCOORD0
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, float2 vTexCoord0 : TEXCOORD0
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#endif
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#if ATTR_TEXCOORD1
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, float2 vTexCoord1 : TEXCOORD1
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#endif
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#if ATTR_NORMAL
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, float3 vNormal : TEXCOORD2
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#endif
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2 years ago
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#if FEAT_FOG
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, float4 vPosition : WPOS
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#endif
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2 years ago
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) {
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#if ATTR_COLOR
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float4 c = vColor;
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#else
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float4 c = uColor;
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#endif
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#if ATTR_TEXCOORD0
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c *= tex2D(uTex0, vTexCoord0);
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#endif
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#if ATTR_TEXCOORD1
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c *= tex2D(uTex1, vTexCoord1);
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#endif
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#if FEAT_ALPHA_TEST
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if (c.a <= uAlphaTest)
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discard;
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2 years ago
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#endif
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#if FEAT_FOG
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float fogDist = vPosition.z / vPosition.w;
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float fogRate = clamp(exp(-uFog.w * fogDist), 0.f, 1.f);
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c.rgb = lerp(uFog.rgb, c.rgb, fogRate);
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2 years ago
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#endif
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return c;
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}
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)""
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