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WS3.0: Add tile_level, tile_width, tile_height

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Add Uniforms to WS3.0 fragment shader to provide
LoD information and make sampling of adjacent points
in the landclass texture easier.
This commit is contained in:
Stuart Buchanan 2020-11-14 21:04:30 +00:00
parent 605f0e3c74
commit 3cace276d2
1 changed files with 5 additions and 0 deletions
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Compositor/Shaders/ALS/ws30.frag
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@ -35,6 +35,11 @@ uniform float overcast;
uniform float eye_alt;
uniform float cloud_self_shading;
// Passed from VPBTechnique, not the Effect
uniform int tile_level;
uniform float tile_width;
uniform float tile_height;
const float EarthRadius = 5800000.0;
const float terminator_width = 200000.0;