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OpenGL2: Fix compiling lightall GLSL on OpenGL 2.1

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textureCubeLod() requires OpenGL 3.0 / GLSL 1.30. Added in
2018-12-21 commit e5da13f146
"OpenGL2: r_cubemapping 2 for box cubemap parallax."

Report by brugal and Simon McVittie.

Bug-Debian: https://bugs.debian.org/923226
This commit is contained in:
Zack Middleton 2019-04-15 21:59:03 -05:00
parent 44b18d72ac
commit 9b4dcc809e
1 changed files with 2 additions and 1 deletions
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3
code/renderergl2/glsl/lightall_fp.glsl
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@ -222,7 +222,7 @@ float CalcLightAttenuation(float point, float normDist)
return attenuation;
}
#if defined(USE_BOX_CUBEMAP_PARALLAX)
vec4 hitCube(vec3 ray, vec3 pos, vec3 invSize, float lod, samplerCube tex)
{
// find any hits on cubemap faces facing the camera
@ -252,6 +252,7 @@ vec4 hitCube(vec3 ray, vec3 pos, vec3 invSize, float lod, samplerCube tex)
//return vec4(textureCubeLod(tex, tc, lod).rgb * fade, fade);
return vec4(textureCubeLod(tex, tc, lod).rgb, 1.0);
}
#endif
void main()
{