diff --git a/tools/qfcc/source/glsl-builtins.c b/tools/qfcc/source/glsl-builtins.c
index 94d5783dd..d8177543d 100644
--- a/tools/qfcc/source/glsl-builtins.c
+++ b/tools/qfcc/source/glsl-builtins.c
@@ -998,18 +998,22 @@ SRC_LINE
 "#define _subpassInput(x,m) __spI(,m),__spI(i,m),__spI(u,m)"            "\n"
 "#define gvec4 @vector(gsubpassInput.sample_type, 4)"                   "\n"
 "#define gvec4MS @vector(gsubpassInputMS.sample_type, 4)"               "\n"
+"#define IMAGE_PARAMS gsubpassInput image, gsubpassInput.coord_type P"  "\n"
+"#define IMAGE_PARAMS_MS gsubpassInputMS image, gsubpassInputMS.coord_type P, int sample" "\n"
 "@generic(gsubpassInput=[_subpassInput(,)],"                            "\n"
 "         gsubpassInputMS=[_subpassInput(,MS)]) {"                      "\n"
+"gvec4 __imageLoad(readonly IMAGE_PARAMS) = " SPV(OpImageRead) ";"      "\n"
+"gvec4MS __imageLoad(readonly IMAGE_PARAMS_MS) = " SPV(OpImageRead) ";" "\n"
 "gvec4 subpassLoad(gsubpassInput subpass)"                              "\n"
 "{"                                                                     "\n"
-"    return imageLoad(subpass,"                                         "\n"
-"                     @construct(gsubpassInput.coord_type, 0));"        "\n"
+"    return __imageLoad(subpass,"                                       "\n"
+"                       @construct(gsubpassInput.coord_type, 0));"      "\n"
 "}"                                                                     "\n"
 "gvec4MS subpassLoad(gsubpassInputMS subpass, int sample)"              "\n"
 "{"                                                                     "\n"
-"    return imageLoad(subpass,"                                         "\n"
-"                     @construct(gsubpassInputMS.coord_type, 0),"       "\n"
-"                                sample);"                              "\n"
+"    return __imageLoad(subpass,"                                       "\n"
+"                       @construct(gsubpassInputMS.coord_type, 0),"     "\n"
+"                                  sample);"                            "\n"
 "}"                                                                     "\n"
 "};" "\n"
 "#undef uint"           "\n"