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GPU: smooth out fog corners

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This commit is contained in:
ln
2019-12-17 04:29:51 +02:00
committed by Adam
parent 71de3a689f
commit a8fa05e028
1 changed files with 9 additions and 1 deletions
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10
runelite-client/src/main/resources/net/runelite/client/plugins/gpu/vert.glsl
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@@ -29,6 +29,8 @@
#define FOG_SCENE_EDGE_MIN TILE_SIZE
#define FOG_SCENE_EDGE_MAX (103 * TILE_SIZE)
#define FOG_CORNER_ROUNDING 1.5
#define FOG_CORNER_ROUNDING_SQUARED FOG_CORNER_ROUNDING * FOG_CORNER_ROUNDING
layout (location = 0) in ivec4 VertexPosition;
layout (location = 1) in vec4 uv;
@@ -82,7 +84,13 @@ void main()
int fogNorth = min(FOG_SCENE_EDGE_MAX, cameraZ + drawDistance - TILE_SIZE);
// Calculate distance from the scene edge
float fogDistance = min(min(vertex.x - fogWest, fogEast - vertex.x), min(vertex.z - fogSouth, fogNorth - vertex.z));
int xDist = min(vertex.x - fogWest, fogEast - vertex.x);
int zDist = min(vertex.z - fogSouth, fogNorth - vertex.z);
float nearestEdgeDistance = min(xDist, zDist);
float secondNearestEdgeDistance = max(xDist, zDist);
float fogDistance = nearestEdgeDistance - FOG_CORNER_ROUNDING * TILE_SIZE *
max(0, (nearestEdgeDistance + FOG_CORNER_ROUNDING_SQUARED) /
(secondNearestEdgeDistance + FOG_CORNER_ROUNDING_SQUARED));
vFogAmount = fogFactorLinear(fogDistance, 0, fogDepth * TILE_SIZE) * useFog;
}