forked from aya/aya
39 lines
863 B
Scala
39 lines
863 B
Scala
$input a_position, a_texcoord0, a_color0
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$output v_texcoord0, v_color0, v_texcoord1
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#include "common.sh"
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uniform vec4 u_uiParams; // x = luminance sampling on/off, w = z offset
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SAMPLER2D(s_diffuseMap, 0);
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void UIVS()
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{
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gl_Position = mul(u_viewProjection, vec4(a_position, 1.0));
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gl_Position.z -= u_uiParams.w; // against z-fighting
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v_texcoord0 = a_texcoord0;
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v_color0 = a_color0;
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#if defined(PIN_FOG)
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v_texcoord1.x = (u_fogParams.z - gl_Position.w) * u_fogParams.w;
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#endif
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}
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void UIPS()
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{
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vec4 base;
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if (u_uiParams.x > 0.5)
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base = vec4(1.0, 1.0, 1.0, texture2D(s_diffuseMap, v_texcoord0).r);
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else
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base = texture2D(s_diffuseMap, v_texcoord0);
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vec4 result = v_color0 * base;
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#if defined(PIN_FOG)
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result.rgb = mix(u_fogColor, result.rgb, saturate(v_texcoord1.x));
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#endif
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gl_FragColor = result;
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}
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