test: build DIP passthrough isolation

.github/workflows/commit-v36-soft.yml

@@ -0,0 +1,77 @@
+name: Commit V36 Retail Soft decode
+
+on:
+  push:
+    branches:
+      - test/v36-retail-jfa-soft
+
+permissions:
+  contents: write
+
+jobs:
+  commit-v36-soft:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          ref: test/v36-retail-jfa-soft
+
+      - name: Apply V36 decode
+        shell: bash
+        run: |
+          set -euo pipefail
+          python3 <<'PY'
+          from pathlib import Path
+          p = Path('src/outline/d3d9_hook.zig')
+          s = p.read_text()
+          if 'V36 RETAIL-SOFT' in s:
+              raise SystemExit(0)
+          start = s.index('/// V32 POLISH: hard 3px outline, no feather.')
+          end = s.index('/// Debug: composite silhouette RT directly.')
+          lines = [
+              '/// V36 RETAIL-SOFT: keep the proven V34 JFA, soften only final decode.',
+              '/// c0 = (screen_width, screen_height, core_radius_px, halo_radius_px).',
+              '/// Uses the same two texture reads as V34: no 17-tap full-screen morphology.',
+              'const jfa_decode_src =',
+              '    "ps_3_0\\n" ++',
+              '    "def c1, 0.0, 0.22, 0.82, -0.002\\n" ++',
+              '    "def c2, 1.0, 0.95, 0.58, 0.0\\n" ++',
+              '    "dcl_2d s0\\n" ++',
+              '    "dcl_2d s1\\n" ++',
+              '    "dcl_texcoord0 v0\\n" ++',
+              '    "texld r0, v0, s0\\n" ++',
+              '    "sub r1.xy, v0.xy, r0.xy\\n" ++',
+              '    "mul r1.xy, r1.xy, c0.xy\\n" ++',
+              '    "dp2add r1.z, r1, r1, c1.x\\n" ++',
+              '    "mul r3.x, c0.z, c0.z\\n" ++',
+              '    "mul r3.y, c0.w, c0.w\\n" ++',
+              '    "sub r4.x, r1.z, r3.y\\n" ++',
+              '    "cmp r6.w, r4.x, c1.x, c1.y\\n" ++',
+              '    "sub r4.x, r1.z, r3.x\\n" ++',
+              '    "cmp r6.w, r4.x, r6.w, c1.z\\n" ++',
+              '    "texld r5, v0, s1\\n" ++',
+              '    "add r5.x, r5.a, c1.w\\n" ++',
+              '    "cmp r6.w, r5.x, c1.x, r6.w\\n" ++',
+              '    "mov r6.xyz, c2.xyz\\n" ++',
+              '    "mov oC0, r6\\n";',
+              '',
+              '',
+          ]
+          s = s[:start] + '\n'.join(lines) + s[end:]
+          old = '        // V34: hard 3px edge unchanged; JFA seed precision is now full-float.\n        c0 = [4]f32{ fw, fh, 3.0, 0.0 };'
+          new_cpu = '        // V36: thin 1.5px core plus a subtle 3px halo.\n        c0 = [4]f32{ fw, fh, 1.5, 3.0 };'
+          if old not in s:
+              raise SystemExit('V34 CPU decode constants not found')
+          p.write_text(s.replace(old, new_cpu))
+          PY
+
+      - name: Commit source
+        shell: bash
+        run: |
+          set -euo pipefail
+          if git diff --quiet; then exit 0; fi
+          git config user.name "github-actions[bot]"
+          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
+          git add src/outline/d3d9_hook.zig
+          git commit -m "V36: soft Retail-style JFA decode"
+          git push origin HEAD:test/v36-retail-jfa-soft

.github/workflows/test-v36-exitfix-baseline.yml

@@ -0,0 +1,55 @@
+name: V36 ExitFix Baseline
+
+on:
+  push:
+    branches:
+      - test/v36-exitfix-baseline
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: mlugg/setup-zig@v2
+        with:
+          version: '0.16.0'
+
+      - name: Build
+        shell: bash
+        run: |
+          set -euo pipefail
+          zig build all-variants -Doptimize=ReleaseSmall \
+            -Dweirdperformance=false \
+            -Doutline=true \
+            -Dcustomassets=true \
+            -Dtransmogfix=true
+
+      - name: Package
+        shell: bash
+        run: |
+          set -euo pipefail
+          rm -rf package dist
+          mkdir -p package/DLL package/Interface/AddOns/WeirdUtils_Outline dist
+          cp zig-out/variants/outline.dll package/DLL/outline.dll
+          cp src/outline/addon/Bindings.xml package/Interface/AddOns/WeirdUtils_Outline/
+          cp src/outline/addon/Outline.lua package/Interface/AddOns/WeirdUtils_Outline/
+          cp src/outline/addon/WeirdUtils_Outline.toc package/Interface/AddOns/WeirdUtils_Outline/
+          printf '%s\n' \
+            'V36 runtime + process-exit safety only.' \
+            'Base runtime commit: 4bbee94388f98843b738e275fd9482576be80654.' \
+            'Compared with V34, only src/outline/d3d9_hook.zig changes runtime behavior.' \
+            'main branch is untouched.' \
+            'WeirdPerformance is disabled in this standalone build and not modified.' \
+            > package/README_TEST.txt
+          (cd package && sha256sum DLL/outline.dll > SHA256SUMS.txt && zip -r ../dist/WeirdUtils_V36_EXITFIX_BASELINE.zip DLL Interface README_TEST.txt SHA256SUMS.txt)
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: WeirdUtils-V36-EXITFIX-BASELINE
+          path: dist/WeirdUtils_V36_EXITFIX_BASELINE.zip
+          if-no-files-found: error

.github/workflows/test-v37a-dip-passthrough.yml

@@ -0,0 +1,55 @@
+name: V37A DIP Passthrough
+
+on:
+  push:
+    branches:
+      - test/v37a-dip-passthrough
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: mlugg/setup-zig@v2
+        with:
+          version: '0.16.0'
+
+      - name: Build
+        shell: bash
+        run: |
+          set -euo pipefail
+          zig build all-variants -Doptimize=ReleaseSmall \
+            -Dweirdperformance=false \
+            -Doutline=true \
+            -Dcustomassets=true \
+            -Dtransmogfix=true
+
+      - name: Package
+        shell: bash
+        run: |
+          set -euo pipefail
+          rm -rf package dist
+          mkdir -p package/DLL package/Interface/AddOns/WeirdUtils_Outline dist
+          cp zig-out/variants/outline.dll package/DLL/outline.dll
+          cp src/outline/addon/Bindings.xml package/Interface/AddOns/WeirdUtils_Outline/
+          cp src/outline/addon/Outline.lua package/Interface/AddOns/WeirdUtils_Outline/
+          cp src/outline/addon/WeirdUtils_Outline.toc package/Interface/AddOns/WeirdUtils_Outline/
+          printf '%s\n' \
+            'V37A DIP passthrough isolation test.' \
+            'EndScene and DrawIndexedPrimitive vtable hooks are installed.' \
+            'DIP detour performs no Outline capture/state/resource work and immediately calls original DIP.' \
+            'Reset remains untouched.' \
+            'Visible outline is intentionally absent in this diagnostic build.' \
+            'main branch untouched; WeirdPerformance not modified.' \
+            > package/README_TEST.txt
+          (cd package && sha256sum DLL/outline.dll > SHA256SUMS.txt && zip -r ../dist/WeirdUtils_V37A_DIP_PASSTHROUGH.zip DLL Interface README_TEST.txt SHA256SUMS.txt)
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: WeirdUtils-V37A-DIP-PASSTHROUGH
+          path: dist/WeirdUtils_V37A_DIP_PASSTHROUGH.zip
+          if-no-files-found: error

.github/workflows/test-v37a-endscene-only.yml

@@ -0,0 +1,55 @@
+name: V37A EndScene Only
+
+on:
+  push:
+    branches:
+      - test/v37a-endscene-only
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: mlugg/setup-zig@v2
+        with:
+          version: '0.16.0'
+
+      - name: Build
+        shell: bash
+        run: |
+          set -euo pipefail
+          zig build all-variants -Doptimize=ReleaseSmall \
+            -Dweirdperformance=false \
+            -Doutline=true \
+            -Dcustomassets=true \
+            -Dtransmogfix=true
+
+      - name: Package
+        shell: bash
+        run: |
+          set -euo pipefail
+          rm -rf package dist
+          mkdir -p package/DLL package/Interface/AddOns/WeirdUtils_Outline dist
+          cp zig-out/variants/outline.dll package/DLL/outline.dll
+          cp src/outline/addon/Bindings.xml package/Interface/AddOns/WeirdUtils_Outline/
+          cp src/outline/addon/Outline.lua package/Interface/AddOns/WeirdUtils_Outline/
+          cp src/outline/addon/WeirdUtils_Outline.toc package/Interface/AddOns/WeirdUtils_Outline/
+          printf '%s\n' \
+            'V37A EndScene-only isolation test.' \
+            'Base: V37A no-Reset-hook + ExitFix.' \
+            'Only IDirect3DDevice9::EndScene is hooked.' \
+            'DrawIndexedPrimitive and Reset are untouched.' \
+            'Visible outline is intentionally absent in this diagnostic build.' \
+            'main branch untouched; WeirdPerformance not modified.' \
+            > package/README_TEST.txt
+          (cd package && sha256sum DLL/outline.dll > SHA256SUMS.txt && zip -r ../dist/WeirdUtils_V37A_ENDSCENE_ONLY.zip DLL Interface README_TEST.txt SHA256SUMS.txt)
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: WeirdUtils-V37A-ENDSCENE-ONLY
+          path: dist/WeirdUtils_V37A_ENDSCENE_ONLY.zip
+          if-no-files-found: error

.github/workflows/test-v37a-no-autorehook.yml

@@ -0,0 +1,54 @@
+name: V37A No AutoRehook
+
+on:
+  push:
+    branches:
+      - test/v37a-no-autorehook
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: mlugg/setup-zig@v2
+        with:
+          version: '0.16.0'
+
+      - name: Build
+        shell: bash
+        run: |
+          set -euo pipefail
+          zig build all-variants -Doptimize=ReleaseSmall \
+            -Dweirdperformance=false \
+            -Doutline=true \
+            -Dcustomassets=true \
+            -Dtransmogfix=true
+
+      - name: Package
+        shell: bash
+        run: |
+          set -euo pipefail
+          rm -rf package dist
+          mkdir -p package/DLL package/Interface/AddOns/WeirdUtils_Outline dist
+          cp zig-out/variants/outline.dll package/DLL/outline.dll
+          cp src/outline/addon/Bindings.xml package/Interface/AddOns/WeirdUtils_Outline/
+          cp src/outline/addon/Outline.lua package/Interface/AddOns/WeirdUtils_Outline/
+          cp src/outline/addon/WeirdUtils_Outline.toc package/Interface/AddOns/WeirdUtils_Outline/
+          printf '%s\n' \
+            'V37A no-auto-rehook isolation test.' \
+            'Base: V37A radii-only + ExitFix.' \
+            'Only runtime change: automatic lateRehookIfLost() call removed from RenderDraw.' \
+            'Initial deferred D3D9 hook installation remains unchanged.' \
+            'main branch untouched; WeirdPerformance not modified.' \
+            > package/README_TEST.txt
+          (cd package && sha256sum DLL/outline.dll > SHA256SUMS.txt && zip -r ../dist/WeirdUtils_V37A_NO_AUTOREHOOK.zip DLL Interface README_TEST.txt SHA256SUMS.txt)
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: WeirdUtils-V37A-NO-AUTOREHOOK
+          path: dist/WeirdUtils_V37A_NO_AUTOREHOOK.zip
+          if-no-files-found: error

.github/workflows/test-v37a-no-reset-hook.yml

@@ -0,0 +1,55 @@
+name: V37A No Reset Hook
+
+on:
+  push:
+    branches:
+      - test/v37a-no-reset-hook
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: mlugg/setup-zig@v2
+        with:
+          version: '0.16.0'
+
+      - name: Build
+        shell: bash
+        run: |
+          set -euo pipefail
+          zig build all-variants -Doptimize=ReleaseSmall \
+            -Dweirdperformance=false \
+            -Doutline=true \
+            -Dcustomassets=true \
+            -Dtransmogfix=true
+
+      - name: Package
+        shell: bash
+        run: |
+          set -euo pipefail
+          rm -rf package dist
+          mkdir -p package/DLL package/Interface/AddOns/WeirdUtils_Outline dist
+          cp zig-out/variants/outline.dll package/DLL/outline.dll
+          cp src/outline/addon/Bindings.xml package/Interface/AddOns/WeirdUtils_Outline/
+          cp src/outline/addon/Outline.lua package/Interface/AddOns/WeirdUtils_Outline/
+          cp src/outline/addon/WeirdUtils_Outline.toc package/Interface/AddOns/WeirdUtils_Outline/
+          printf '%s\n' \
+            'V37A no-Reset-hook isolation test.' \
+            'Base: V37A no-auto-rehook + ExitFix.' \
+            'EndScene and DrawIndexedPrimitive hooks remain active.' \
+            'Reset hook is NOT installed.' \
+            'Visible outline rendering should still work.' \
+            'main branch untouched; WeirdPerformance not modified.' \
+            > package/README_TEST.txt
+          (cd package && sha256sum DLL/outline.dll > SHA256SUMS.txt && zip -r ../dist/WeirdUtils_V37A_NO_RESET_HOOK.zip DLL Interface README_TEST.txt SHA256SUMS.txt)
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: WeirdUtils-V37A-NO-RESET-HOOK
+          path: dist/WeirdUtils_V37A_NO_RESET_HOOK.zip
+          if-no-files-found: error

.github/workflows/test-v37a-radii-only.yml

@@ -0,0 +1,51 @@
+name: V37A Radii Only
+
+on:
+  push:
+    branches:
+      - test/v37a-radii-only
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: mlugg/setup-zig@v2
+        with:
+          version: '0.16.0'
+      - name: Build
+        shell: bash
+        run: |
+          set -euo pipefail
+          zig build all-variants -Doptimize=ReleaseSmall \
+            -Dweirdperformance=false \
+            -Doutline=true \
+            -Dcustomassets=true \
+            -Dtransmogfix=true
+      - name: Package
+        shell: bash
+        run: |
+          set -euo pipefail
+          rm -rf package dist
+          mkdir -p package/DLL package/Interface/AddOns/WeirdUtils_Outline dist
+          cp zig-out/variants/outline.dll package/DLL/outline.dll
+          cp src/outline/addon/Bindings.xml package/Interface/AddOns/WeirdUtils_Outline/
+          cp src/outline/addon/Outline.lua package/Interface/AddOns/WeirdUtils_Outline/
+          cp src/outline/addon/WeirdUtils_Outline.toc package/Interface/AddOns/WeirdUtils_Outline/
+          printf '%s\n' \
+            'V37A isolation test.' \
+            'Base: V36 + ExitFix (stable in user test).' \
+            'Only runtime change: radii 1.5/3.0 -> 1.35/3.20.' \
+            'V36 decode shader remains unchanged.' \
+            'main branch untouched; WeirdPerformance not modified.' \
+            > package/README_TEST.txt
+          (cd package && sha256sum DLL/outline.dll > SHA256SUMS.txt && zip -r ../dist/WeirdUtils_V37A_RADII_ONLY.zip DLL Interface README_TEST.txt SHA256SUMS.txt)
+      - uses: actions/upload-artifact@v4
+        with:
+          name: WeirdUtils-V37A-RADII-ONLY
+          path: dist/WeirdUtils_V37A_RADII_ONLY.zip
+          if-no-files-found: error

src/main.zig

@@ -1048,11 +1048,14 @@ comptime {
 pub export fn DllMain(
     _: ?*anyopaque,
     reason: u32,
-    _: ?*anyopaque,
+    reserved: ?*anyopaque,
 ) callconv(WINAPI) std.os.windows.BOOL {
     switch (reason) {
         1 => install(),
-        0 => uninstall(),
+        0 => {
+            // Process-exit safety only; runtime Outline behavior is unchanged.
+            if (reserved == null) uninstall();
+        },
         else => {},
     }
     return @enumFromInt(1);

src/outline/d3d9_hook.zig

@@ -732,34 +732,31 @@ const jfa_prop_src =
     "mov oC0.xy, r8.xy\n" ++
     "mov oC0.zw, c1.xx\n";
 
-/// V32 POLISH: hard 3px outline, no feather.
-/// c0 = (screen_width, screen_height, radius_px=3, 0).
-/// The shader squares radius_px and emits a binary 0/1 edge alpha.
+/// V36 RETAIL-SOFT: keep the proven V34 JFA, soften only final decode.
+/// c0 = (screen_width, screen_height, core_radius_px, halo_radius_px).
+/// Uses the same two texture reads as V34: no 17-tap full-screen morphology.
 const jfa_decode_src =
     "ps_3_0\n" ++
-    "def c1, 0.0, 1.0, -0.002, 0.0\n" ++
+    "def c1, 0.0, 0.22, 0.82, -0.002\n" ++
+    "def c2, 1.0, 0.95, 0.58, 0.0\n" ++
     "dcl_2d s0\n" ++
     "dcl_2d s1\n" ++
     "dcl_texcoord0 v0\n" ++
-    // Nearest seed and pixel-space squared distance.
     "texld r0, v0, s0\n" ++
     "sub r1.xy, v0.xy, r0.xy\n" ++
     "mul r1.xy, r1.xy, c0.xy\n" ++
-    "dp2add r1.z, r1, r1, c0.w\n" ++
-    // Seed colour.
-    "texld r2, r0, s1\n" ++
-    // Hard radius test: dist² < radius² => alpha 1, otherwise 0.
-    "mov r3.x, c0.z\n" ++
-    "mul r3.x, r3.x, r3.x\n" ++
-    "sub r3.y, r1.z, r3.x\n" ++
-    "mov r6.w, c1.y\n" ++
-    "cmp r4.w, r3.y, c0.w, r6.w\n" ++
-    // Do not paint over the model interior.
+    "dp2add r1.z, r1, r1, c1.x\n" ++
+    "mul r3.x, c0.z, c0.z\n" ++
+    "mul r3.y, c0.w, c0.w\n" ++
+    "sub r4.x, r1.z, r3.y\n" ++
+    "cmp r6.w, r4.x, c1.x, c1.y\n" ++
+    "sub r4.x, r1.z, r3.x\n" ++
+    "cmp r6.w, r4.x, r6.w, c1.z\n" ++
     "texld r5, v0, s1\n" ++
-    "add r5.x, r5.a, c1.z\n" ++
-    "cmp r4.w, r5.x, c0.w, r4.w\n" ++
-    "mov r4.xyz, r2.xyz\n" ++
-    "mov oC0, r4\n";
+    "add r5.x, r5.a, c1.w\n" ++
+    "cmp r6.w, r5.x, c1.x, r6.w\n" ++
+    "mov r6.xyz, c2.xyz\n" ++
+    "mov oC0, r6\n";
 
 /// Debug: composite silhouette RT directly. Forces alpha to 1.0 where silhouette
 /// has any content (alpha >= 0.002), 0.0 elsewhere. Bypasses JFA entirely.
@@ -999,79 +996,10 @@ fn hkDIP(
 ) callconv(hook.cc.stdcall) i32 {
     debug_dip_seen = true;
 
+    // Isolation test: keep the DIP vtable detour installed, but do no
+    // Outline state capture/resource work here. Call the original directly.
     const OrigDIP = *const fn (*anyopaque, u32, i32, u32, u32, u32, u32) callconv(hook.cc.stdcall) i32;
     const origFn: OrigDIP = @ptrFromInt(orig_dip);
-
-    // ---- Cache outline draws for EndScene replay ----
-    if (model_hook.rendering_outline) {
-        debug_outline_dip_seen = true;
-        const model_ptr = model_hook.current_model;
-        const color = tracker.getModelColor(model_ptr) orelse
-            return origFn(device, prim_type, base_vtx, min_vtx, num_verts, start_idx, prim_count);
-        const category = tracker.getModelCategory(model_ptr);
-
-        // Ensure resources will be available for replay in EndScene
-        if (!shaders_attempted) ensureShaders(device);
-        ensureResources(device);
-        if (outline_ps == null or rt_silhouette_surf == null)
-            return origFn(device, prim_type, base_vtx, min_vtx, num_verts, start_idx, prim_count);
-
-        // Cache if room available
-        if (cached_draw_count < MAX_CACHED_DRAWS) {
-            const idx = cached_draw_count;
-            var draw = &cached_draws[idx];
-
-            // Draw parameters
-            draw.prim_type = prim_type;
-            draw.base_vtx = base_vtx;
-            draw.min_vtx = min_vtx;
-            draw.num_verts = num_verts;
-            draw.start_idx = start_idx;
-            draw.prim_count = prim_count;
-
-            // Outline info
-            draw.color = color;
-            draw.category = category;
-
-            // Capture current GPU state (AddRef COM objects to keep them alive)
-            deviceGetStreamSource(device, 0, &draw.vb, &draw.vb_offset, &draw.vb_stride);
-            // GetStreamSource AddRef's the VB - we keep the ref until replay
-            draw.ib = deviceGetIndices(device);
-            // GetIndices AddRef's the IB
-            draw.vertex_decl = deviceGetPtr(device, types.VT.GetVertexDeclaration);
-            // GetVertexDeclaration AddRef's
-            draw.vertex_shader = deviceGetPtr(device, types.VT.GetVertexShader);
-            // GetVertexShader AddRef's
-            for (0..4) |stage| {
-                draw.tex[stage] = deviceGetTexture(device, @intCast(stage));
-                draw.alpha_op[stage] = deviceGetTSS(device, @intCast(stage), types.D3DTSS.ALPHAOP);
-                draw.alpha_arg1[stage] = deviceGetTSS(device, @intCast(stage), types.D3DTSS.ALPHAARG1);
-                draw.alpha_arg2[stage] = deviceGetTSS(device, @intCast(stage), types.D3DTSS.ALPHAARG2);
-            }
-            draw.pixel_shader = deviceGetPtr(device, types.VT.GetPixelShader);
-            draw.state_block = deviceCreateStateBlock(device);
-            if (draw.state_block != null) debug_state_block_seen = true;
-            draw.alpha_test_enable = deviceGetRS(device, types.D3DRS.ALPHATESTENABLE);
-            draw.alpha_ref = deviceGetRS(device, types.D3DRS.ALPHAREF);
-            draw.alpha_func = deviceGetRS(device, types.D3DRS.ALPHAFUNC);
-            draw.alpha_blend_enable = deviceGetRS(device, types.D3DRS.ALPHABLENDENABLE);
-            draw.src_blend = deviceGetRS(device, types.D3DRS.SRCBLEND);
-            draw.dst_blend = deviceGetRS(device, types.D3DRS.DESTBLEND);
-
-            // Capture VS constants (bone matrices, world/view/proj transforms)
-            deviceGetVSConstF(device, 0, &draw.vs_consts, MAX_VS_CONST_REGS);
-
-            cached_draw_count = idx + 1;
-            frame_has_outlines = true;
-            debug_cached_draw_seen = true;
-        }
-
-        // DEBUG23: no stencil writes. Preserve WoW's D3D state and draw once.
-        // The cached geometry is replayed later into the silhouette RT.
-        return origFn(device, prim_type, base_vtx, min_vtx, num_verts, start_idx, prim_count);
-    }
-
-    // ---- Normal path ----
     return origFn(device, prim_type, base_vtx, min_vtx, num_verts, start_idx, prim_count);
 }
 
@@ -1417,8 +1345,8 @@ fn runJfaPipeline(device: *anyopaque) void {
         if (saved_rt0) |rt| deviceSetRenderTarget(device, 0, rt);
         deviceSetTexture(device, 0, rt_jfa_a_tex);
         deviceSetTexture(device, 1, rt_silhouette_tex);
-        // V34: hard 3px edge unchanged; JFA seed precision is now full-float.
-        c0 = [4]f32{ fw, fh, 3.0, 0.0 };
+        // V37A isolation test: V37 radii only, V36 decode shader unchanged.
+        c0 = [4]f32{ fw, fh, 1.35, 3.20 };
         deviceSetPSConstF(device, 0, &c0);
         deviceSetPtr(device, types.VT.SetPixelShader, jfa_decode_ps.?);
         deviceSetRS(device, types.D3DRS.ALPHABLENDENABLE, 1);
@@ -1630,9 +1558,10 @@ pub fn installHooks() bool {
     const vtable_ptr = getD3D9VTable() orelse return false;
     d3d9_vtable = vtable_ptr;
 
+    // Isolation test: hook EndScene + DrawIndexedPrimitive.
+    // Reset remains untouched.
     if (!patchVtableEntry(vtable_ptr, types.VT.EndScene, @intFromPtr(&hkEndScene), &orig_endscene)) return false;
     if (!patchVtableEntry(vtable_ptr, types.VT.DrawIndexedPrimitive, @intFromPtr(&hkDIP), &orig_dip)) return false;
-    if (!patchVtableEntry(vtable_ptr, types.VT.Reset, @intFromPtr(&hkReset), &orig_reset)) return false;
 
     hooks_installed = true;
     return true;

src/outline/model_hook.zig

@@ -94,10 +94,8 @@ fn renderDrawDetour(this: u32, view_matrix: u32, batch_data: u32, batch_indices:
         api.initD3D9Deferred();
     }
 
-    // AutoFix: OutlineDebug() previously performed lateRehookIfLost() by hand.
-    // Check periodically from this always-active native model hook instead.
-    autoRepairD3D9Hooks();
-
+    // Isolation test: keep the initial deferred D3D9 hook install, but do not
+    // repeatedly verify/rewrite the live vtable while rendering.
     // Skip reordering if nothing to outline or too many batches
     if (!tracker.enabled or !tracker.hasTargets() or batch_count == 0 or batch_count > MAX_REORDER) {
         render_draw_hook.callOriginal(.{ this, view_matrix, batch_data, batch_indices, batch_count });