The open source OpenXR runtime
c/render: Fix handling of alpha channel in compute layer renderer
+3
-2
+3
-2
src/xrt/compositor/shaders/layer.comp
+3
-2
src/xrt/compositor/shaders/layer.comp
···
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// Unpremultipled blend factor of src.a.
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accum.rgb = mix(accum.rgb, rgba.rgb, rgba.a);
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} else {
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-
// Premultiplied bland foctor of 1.
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+
// Premultiplied blend factor of 1.
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accum.rgb = (accum.rgb * (1 - rgba.a)) + rgba.rgb;
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}
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+
accum.a = rgba.a + accum.a * (1.0 - rgba.a);
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}
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}
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return accum;
···
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if (do_color_correction) {
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// Do colour correction here since there are no automatic conversion in hardware available.
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-
colour = vec4(from_linear_to_srgb(colour.rgb), 1);
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+
colour.rgb = from_linear_to_srgb(colour.rgb);
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}
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imageStore(target, ivec2(offset.x + ix, offset.y + iy), colour);