[emit_spirv_image] remove the fix for LA/EOW

Performance loss regression fixed in Link's Awakening, Castlevania, Super Mario RPG, etc

Tested by Mr. Knobs on Android and myself on Linux

Multicore ON may be fixed for some users using Intel CPUs.
Games include: FF Tactics, Shredder's Revenge, Unity Engine Games.

- [x] I have read and followed the [Contribution Guidelines](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/CONTRIBUTING.md#code-contributions).
- [x] I have read and followed the [AI Policy](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/docs/policies/AI.md).
- [x] I have read and followed the [Coding Guidelines](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/docs/policies/Coding.md) to the best of my ability.

-------------------

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/4548
Reviewed-by: Maufeat <sahyno1996@gmail.com>
Reviewed-by: lizzie <lizzie@eden-emu.dev>

src/android/app/src/main/res/values/strings.xml

@@ -596,7 +596,7 @@
     <string name="nce_invalidation_gpu_readback">GPU Readback Before NCE Invalidation</string>
     <string name="nce_invalidation_gpu_readback_description">Temporary. Fix Ender Magnolia (and other UE titles) crashes. May reduce performance. Improvement in progress.</string>
     <string name="fix_bloom_effects">Fix Bloom Effects</string>
-    <string name="fix_bloom_effects_description">Reduces bloom blur in LA/EOW (Adreno A6XX - A7XX/ Turnip), removes bloom in Burnout. Warning: may cause graphical artifacts in other games.</string>
+    <string name="fix_bloom_effects_description">Removes bloom in Burnout.</string>
     <string name="emulate_bgr565">Emulate BGR565</string>
     <string name="emulate_bgr565_description">Fixes problems with inverted colors in games or strange artifacts or strange shadows.</string>
     <string name="rescale_hack">Enable Legacy Rescale Pass</string>

src/core/hle/service/nvnflinger/hardware_composer.cpp

@@ -57,8 +57,21 @@ u32 HardwareComposer::ComposeLocked(f32* out_speed_scale, Display& display,
     // Set default speed limit to 100%.
     *out_speed_scale = 1.0f;
 
+    // If no layers are visible, skip the logic. Acquiring and holding buffers here would
+    // consume the producer's queue without ever presenting.
+    bool any_visible = false;
+    for (auto& layer : display.stack.layers) {
+        if (layer->visible) {
+            any_visible = true;
+            break;
+        }
+    }
+    if (!any_visible) {
+        return 1;
+    }
+
+    // Wait for the previous composite, bounding the number of in-flight composites.
     nvdisp.WaitForComposite();
-    this->ReleaseFramebuffersLocked(display);
 
     // Determine the number of vsync periods to wait before composing again.
     std::optional<s32> swap_interval{};
@@ -152,6 +165,13 @@ u32 HardwareComposer::ComposeLocked(f32* out_speed_scale, Display& display,
     // Advance by 1 frame (60 FPS compositing)
     m_frame_number += 1;
 
+    // Release framebuffers once the frame has been handed to the compositor. This happens
+    // within the same vsync period as the acquire (release_frame_number is checked against
+    // the advanced counter), so the producer gets its buffers back immediately instead of
+    // losing a queue slot for a whole frame.
+    // TODO: support release fences; releasing before the composite has finished can tear.
+    this->ReleaseFramebuffersLocked(display);
+
     return 1;
 }
 

src/shader_recompiler/backend/spirv/emit_spirv_image.cpp

@@ -586,16 +586,9 @@ Id EmitImageSampleExplicitLod(EmitContext& ctx, IR::Inst* inst, const IR::Value&
     const bool is_integer{IsTextureInteger(ctx, info)};
     const Id result_type{is_integer ? ctx.U32[4] : ctx.F32[4]};
     const ImageOperands operands(ctx, false, true, false, lod, offset);
-
-    Id result = Emit(&EmitContext::OpImageSparseSampleExplicitLod,
-                     &EmitContext::OpImageSampleExplicitLod, ctx, inst, result_type,
-                     Texture(ctx, info, index), coords, operands.Mask(), operands.Span());
-#ifdef __ANDROID__
-    if (!is_integer && Settings::values.fix_bloom_effects.GetValue()) {
-        result = ctx.OpVectorTimesScalar(ctx.F32[4], result, ctx.Const(0.98f));
-    }
-#endif
-    return is_integer ? ctx.OpBitcast(ctx.F32[4], result) : result;
+    return Emit(&EmitContext::OpImageSparseSampleExplicitLod,
+                &EmitContext::OpImageSampleExplicitLod, ctx, inst, ctx.F32[4],
+                Texture(ctx, info, index), coords, operands.Mask(), operands.Span());
 }
 
 Id EmitImageSampleDrefImplicitLod(EmitContext& ctx, IR::Inst* inst, const IR::Value& index,