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authorMiklós Máté <[email protected]>2015-12-16 00:05:40 +0100
committerIan Romanick <[email protected]>2015-12-17 12:09:58 -0800
commit5150d56ec43e3081a8a2e114d2ff7be347749c4b (patch)
treebcc93d036fac7fce56f16e70e75751568da031e6 /src/mesa/program
parent7279453da5c847d8f63f7e1f9e30ac2b03e6b3e9 (diff)
program: fix comment about the fog formula
Reviewed-by: Ian Romanick <[email protected]>
Diffstat (limited to 'src/mesa/program')
-rw-r--r--src/mesa/program/prog_statevars.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mesa/program/prog_statevars.c b/src/mesa/program/prog_statevars.c
index bdb335e4ba3..12490d0c380 100644
--- a/src/mesa/program/prog_statevars.c
+++ b/src/mesa/program/prog_statevars.c
@@ -474,7 +474,7 @@ _mesa_fetch_state(struct gl_context *ctx, const gl_state_index state[],
* single MAD.
* linear: fogcoord * -1/(end-start) + end/(end-start)
* exp: 2^-(density/ln(2) * fogcoord)
- * exp2: 2^-((density/(ln(2)^2) * fogcoord)^2)
+ * exp2: 2^-((density/(sqrt(ln(2))) * fogcoord)^2)
*/
value[0] = (ctx->Fog.End == ctx->Fog.Start)
? 1.0f : (GLfloat)(-1.0F / (ctx->Fog.End - ctx->Fog.Start));