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Merge branch 'ogl-fog-block-fix' into 'next'

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Don't discard zero alpha fog block fragments. Fixes #198.

Closes #198

See merge request STJr/SRB2!1084
This commit is contained in:
James R 2020-07-24 04:45:50 -04:00
commit b45bd6990e
1 changed files with 1 additions and 1 deletions
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src/hardware/r_opengl/r_opengl.c
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@ -1535,7 +1535,7 @@ EXPORT void HWRAPI(SetBlend) (FBITFIELD PolyFlags)
// Sryder: Fog
// multiplies input colour by input alpha, and destination colour by input colour, then adds them
pglBlendFunc(GL_SRC_ALPHA, GL_SRC_COLOR);
pglAlphaFunc(GL_NOTEQUAL, 0.0f);
pglAlphaFunc(GL_ALWAYS, 0.0f); // Don't discard zero alpha fragments
break;
default : // must be 0, otherwise it's an error
// No blending