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-rw-r--r--src/mesa/main/texstate.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/mesa/main/texstate.c b/src/mesa/main/texstate.c
index 16492bd7bcf..c735e18affb 100644
--- a/src/mesa/main/texstate.c
+++ b/src/mesa/main/texstate.c
@@ -318,11 +318,18 @@ _mesa_ClientActiveTextureARB(GLenum texture)
GLuint texUnit = texture - GL_TEXTURE0;
ASSERT_OUTSIDE_BEGIN_END(ctx);
+ if (MESA_VERBOSE & (VERBOSE_API | VERBOSE_TEXTURE))
+ _mesa_debug(ctx, "glClientActiveTexture %s\n",
+ _mesa_lookup_enum_by_nr(texture));
+
if (texUnit >= ctx->Const.MaxTextureCoordUnits) {
_mesa_error(ctx, GL_INVALID_ENUM, "glClientActiveTexture(texture)");
return;
}
+ if (ctx->Array.ActiveTexture == texUnit)
+ return;
+
FLUSH_VERTICES(ctx, _NEW_ARRAY);
ctx->Array.ActiveTexture = texUnit;
}