Commit84e6574

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Preserve input alpha

1 parentc810a07 commit84e6574Copy full SHA for 84e6574

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-6

lines changed

-6

lines changed

Lines changed: 1 addition & 4 deletions

Original file line number	Diff line number	Diff line change
`@@ -7,10 +7,7 @@ import vertexShader from "./shaders/common.vert";`
`7`	`7`	`/**`
`8`	`8`	`* A luminance shader material.`
`9`	`9`	`*`
`10`		`- * This shader produces a greyscale luminance map that describes the absolute amount of light emitted by a scene. It can`
`11`		`- * also be configured to output colors that are scaled with their respective luminance value.`
`12`		`- *`
`13`		`- * The alpha channel always contains the luminance value.`
	`10`	`+ * Renders luminance, i.e. the absolute amount of light emitted by a scene.`
`14`	`11`	`*`
`15`	`12`	`*@see https://www.poynton.com/notes/colour_and_gamma/ColorFAQ.html#RTFToC9`
`16`	`13`	`*@see https://hsto.org/getpro/habr/post_images/2ab/69d/084/2ab69d084f9a597e032624bcd74d57a7.png`

Lines changed: 3 additions & 2 deletions

Original file line number	Diff line number	Diff line change
`@@ -24,11 +24,12 @@ void main() {`
`24`	`24`
`25`	`25`	`#ifdef COLOR`
`26`	`26`
`27`		`-out_Color=vec4(texel.rgb*clamp(l,0.0,1.0), l);`
	`27`	`+float mask=clamp(l,0.0,1.0);`
	`28`	`+out_Color=vec4(texel.rgb* mask, texel.a);`
`28`	`29`
`29`	`30`	`#else`
`30`	`31`
`31`		`-out_Color=vec4(l);`
	`32`	`+out_Color=vec4(l, l, l, texel.a);`
`32`	`33`
`33`	`34`	`#endif`
`34`	`35`

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