glsl: Fix the prototype of textureProjGradOffset(sampler2DShadow)

Indirectly caught by Ken's review of my GLSL 1.40 changes where I
copy-and-pasted this line.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>

diff --git a/src/glsl/builtins/profiles/140.frag b/src/glsl/builtins/profiles/140.frag
index ba616a1cf7f7bdd0450ebce5803a7efadf7e0920..3eeecd1d72c2721bac098da24c3d5c1a3a491b31 100644 (file)
--- a/src/glsl/builtins/profiles/140.frag
+++ b/src/glsl/builtins/profiles/140.frag
@@ -958,7 +958,7 @@ ivec4 textureProjGradOffset(isampler3D s, vec4 P, vec3 dx, vec3 dy, ivec3 off);
 uvec4 textureProjGradOffset(usampler3D s, vec4 P, vec3 dx, vec3 dy, ivec3 off);
 
 float textureProjGradOffset(sampler1DShadow s, vec4 P, float dx, float dy, int o);
-float textureProjGradOffset(sampler2DShadow s, vec4 P, vec2 dx, vec2 dy, vec2 o);
+float textureProjGradOffset(sampler2DShadow s, vec4 P, vec2 dx, vec2 dy, ivec2 o);
 
 /*
  * The following texture functions are deprecated: