From dcde68f98fc86ceb763d8a67da32e0d501be0450 Mon Sep 17 00:00:00 2001
From: Matthew Stanley <1379tech@gmail.com>
Date: Sat, 24 Oct 2026 09:56:17 -0700
Subject: [PATCH] Keep isolated OpenGL fixtures linked with optional feature
 API doubles

---
 runtime/tests/gl_postfx_projection_fixture.h | 6 ++++++
 runtime/tests/test_gl_frame_gen.c            | 1 +
 runtime/tests/test_gl_readback_region.c      | 1 +
 runtime/tests/test_gl_render_thread.c        | 1 +
 runtime/tests/test_gl_scale_invariance.c     | 1 +
 5 files changed, 10 insertions(+)
 create mode 100644 runtime/tests/gl_postfx_projection_fixture.h

diff --git a/runtime/tests/gl_postfx_projection_fixture.h b/runtime/tests/gl_postfx_projection_fixture.h
new file mode 100644
index 00000000..7dfa91f4
--- /dev/null
+++ b/runtime/tests/gl_postfx_projection_fixture.h
@@ -0,0 +1,6 @@
+#pragma once
+/* Renderer fixtures have no guest CPU; exercise the neutral unavailable projection.
+ * Atomic publication is covered independently by postfx_publication_test. */
+#include "gte_postfx_projection.h"
+void gte_postfx_projection_enable(int enabled) {(void)enabled;}
+int gte_postfx_projection_read(GtePostfxProjection *out) {(void)out;return 0;}
diff --git a/runtime/tests/test_gl_frame_gen.c b/runtime/tests/test_gl_frame_gen.c
index f3f65c3e..03821090 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_postfx_projection_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..9b245733 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_postfx_projection_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..d15bbe73 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_postfx_projection_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..51e6a867 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_postfx_projection_fixture.h"
 #include "gpu_hd_texture_stubs.inc"
 #include "mod_texture_banks.c"
 #include "gl_batch_policy_lle.c"