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53 lines
921 B
53 lines
921 B
R"( |
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precision mediump float; |
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#if ATTR_TEXCOORD0 |
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uniform sampler2D uTex0; |
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#endif |
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#if ATTR_TEXCOORD1 |
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uniform sampler2D uTex1; |
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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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#if FEAT_FOG |
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uniform vec4 uFog; |
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#endif |
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uniform vec4 uColor; |
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#if ATTR_COLOR |
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in vec4 vColor; |
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#endif |
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#if ATTR_TEXCOORD0 |
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in vec2 vTexCoord0; |
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#endif |
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#if ATTR_TEXCOORD1 |
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in vec2 vTexCoord1; |
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#endif |
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#if ATTR_NORMAL |
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in vec2 vNormal; |
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#endif |
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out vec4 oFragColor; |
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void main() |
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{ |
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#if ATTR_COLOR |
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vec4 c = vColor; |
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#else |
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vec4 c = uColor; |
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#endif |
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#if ATTR_TEXCOORD0 |
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c = c * texture(uTex0, vTexCoord0); |
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#endif |
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#if ATTR_TEXCOORD1 |
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c = c * texture(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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#endif |
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#if FEAT_FOG |
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float fogDist = gl_FragCoord.z / gl_FragCoord.w; |
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float fogRate = clamp(exp(-uFog.w * fogDist), 0.f, 1.f); |
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c.rgb = mix(uFog.rgb, c.rgb, fogRate); |
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#endif |
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oFragColor = c; |
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} |
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)"
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