diff --git a/runtime/tests/gl_fmv_fixture.h b/runtime/tests/gl_fmv_fixture.h
new file mode 100644
index 00000000..ef0ea2fe
--- /dev/null
+++ b/runtime/tests/gl_fmv_fixture.h
@@ -0,0 +1,9 @@
+#pragma once
+/* These fixtures exercise native presentation. Decoder behavior has its own test. */
+#include "gpu_fmv_hd.h"
+int gpu_fmv_hd_lookup(const uint32_t *p,int w,int h,int cw,FmvHdImage *out) {
+    (void)p;(void)w;(void)h;(void)cw;(void)out;return 0;
+}
+void gpu_fmv_hd_shutdown(void) {}
+void gpu_fmv_hd_stats(uint64_t *h,uint64_t *q,uint64_t *m) {if(h)*h=0;if(q)*q=0;if(m)*m=0;}
+int gpu_fmv_hd_debug_json(char *out,size_t cap) {if(out&&cap)out[0]=0;return 0;}
diff --git a/runtime/tests/test_gl_frame_gen.c b/runtime/tests/test_gl_frame_gen.c
index f3f65c3e..1aceab58 100644
--- a/runtime/tests/test_gl_frame_gen.c
+++ b/runtime/tests/test_gl_frame_gen.c
@@ -34,6 +34,7 @@ static void fixture_present(int generated);
 static void fixture_window(int slot);
 #define GL_PRESENT_THREAD_TEST_HOOK(slot) fixture_window(slot)
 #include "gpu_gl_renderer.c"
+#include "gl_fmv_fixture.h"
 #include "gpu_hd_texture_stubs.inc"
 #include "mod_texture_banks.c"
 #include "gl_batch_policy_lle.c"
diff --git a/runtime/tests/test_gl_readback_region.c b/runtime/tests/test_gl_readback_region.c
index 9a5e8350..6e44cbdf 100644
--- a/runtime/tests/test_gl_readback_region.c
+++ b/runtime/tests/test_gl_readback_region.c
@@ -1,5 +1,6 @@
 /* Original source-owned GL readback-coherence regression. No retail payload. */
 #include "gpu_gl_renderer.c"
+#include "gl_fmv_fixture.h"
 #include "gpu_hd_texture_stubs.inc"
 #include "mod_texture_banks.c"
 #include "gl_batch_policy_lle.c"
diff --git a/runtime/tests/test_gl_render_thread.c b/runtime/tests/test_gl_render_thread.c
index 0d095002..21d91f27 100644
--- a/runtime/tests/test_gl_render_thread.c
+++ b/runtime/tests/test_gl_render_thread.c
@@ -30,6 +30,7 @@
  * surface), and with the thread on its record/acquire counters.
  * Original source-owned scene; no retail payload. */
 #include "gpu_gl_renderer.c"
+#include "gl_fmv_fixture.h"
 #include "gpu_hd_texture_stubs.inc"
 #include "mod_texture_banks.c"
 #include "gl_batch_policy_lle.c"
diff --git a/runtime/tests/test_gl_scale_invariance.c b/runtime/tests/test_gl_scale_invariance.c
index e89d304c..2822d9a5 100644
--- a/runtime/tests/test_gl_scale_invariance.c
+++ b/runtime/tests/test_gl_scale_invariance.c
@@ -81,6 +81,7 @@
  *     3x as the nearest rescale of all their pixels, before any redraw.
  * Original source-owned scene; no retail payload. */
 #include "gpu_gl_renderer.c"
+#include "gl_fmv_fixture.h"
 #include "gpu_hd_texture_stubs.inc"
 #include "mod_texture_banks.c"
 #include "gl_batch_policy_lle.c"