mesa/main: remove useless check in _mesa_IsSampler()

_mesa_lookup_samplerobj() returns NULL if sampler is 0.

v2: use _mesa_lookup...(...) != NULL

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>

diff --git a/src/mesa/main/samplerobj.c b/src/mesa/main/samplerobj.c
index 8a0835a23d5fb70eb003c5b130c963e428d1a84a..2baa016cd409f2f524c47776d1eb7b7e68eaf74d 100644 (file)
--- a/src/mesa/main/samplerobj.c
+++ b/src/mesa/main/samplerobj.c
@@ -270,17 +270,11 @@ _mesa_DeleteSamplers(GLsizei count, const GLuint *samplers)
 GLboolean GLAPIENTRY
 _mesa_IsSampler(GLuint sampler)
 {
-   struct gl_sampler_object *sampObj;
    GET_CURRENT_CONTEXT(ctx);
 
    ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
 
-   if (sampler == 0)
-      return GL_FALSE;
-
-   sampObj = _mesa_lookup_samplerobj(ctx, sampler);
-
-   return sampObj != NULL;
+   return _mesa_lookup_samplerobj(ctx, sampler) != NULL;
 }
 
 void