refactor(gpu): remove depthSlice conditionals, use platform.h abstraction

WGPU_DEPTH_SLICE_UNDEFINED is defined unconditionally via platform.h
(native headers or Win32 macro). Remove redundant conditional compilation
from 7 effects and gpu.h helper.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

8 files changed, 0 insertions, 19 deletions

diff --git a/src/effects/flash_effect.cc b/src/effects/flash_effect.cc
index f0566bb..1d0e629 100644
--- a/src/effects/flash_effect.cc
+++ b/src/effects/flash_effect.cc
@@ -63,9 +63,7 @@ void FlashEffect::render(WGPUCommandEncoder encoder,
   // Render pass
   WGPURenderPassColorAttachment color_attachment = {};
   color_attachment.view = output_view;
-#if !defined(DEMO_CROSS_COMPILE_WIN32)
   color_attachment.depthSlice = WGPU_DEPTH_SLICE_UNDEFINED;
-#endif
   color_attachment.loadOp = WGPULoadOp_Clear;
   color_attachment.storeOp = WGPUStoreOp_Store;
   color_attachment.clearValue = {0.0, 0.0, 0.0, 1.0};
diff --git a/src/effects/gaussian_blur_effect.cc b/src/effects/gaussian_blur_effect.cc
index 657c283..adb094c 100644
--- a/src/effects/gaussian_blur_effect.cc
+++ b/src/effects/gaussian_blur_effect.cc
@@ -68,9 +68,7 @@ void GaussianBlurEffect::render(WGPUCommandEncoder encoder,
   // Render pass
   WGPURenderPassColorAttachment color_attachment = {};
   color_attachment.view = output_view;
-#if !defined(DEMO_CROSS_COMPILE_WIN32)
   color_attachment.depthSlice = WGPU_DEPTH_SLICE_UNDEFINED;
-#endif
   color_attachment.loadOp = WGPULoadOp_Clear;
   color_attachment.storeOp = WGPUStoreOp_Store;
   color_attachment.clearValue = {0.0, 0.0, 0.0, 1.0};
diff --git a/src/effects/heptagon_effect.cc b/src/effects/heptagon_effect.cc
index 31e94e7..303ab2a 100644
--- a/src/effects/heptagon_effect.cc
+++ b/src/effects/heptagon_effect.cc
@@ -65,9 +65,7 @@ void HeptagonEffect::render(WGPUCommandEncoder encoder,
   // Render pass
   WGPURenderPassColorAttachment color_attachment = {};
   color_attachment.view = output_view;
-#if !defined(DEMO_CROSS_COMPILE_WIN32)
   color_attachment.depthSlice = WGPU_DEPTH_SLICE_UNDEFINED;
-#endif
   color_attachment.loadOp = WGPULoadOp_Clear;
   color_attachment.storeOp = WGPUStoreOp_Store;
   color_attachment.clearValue = {0.0, 0.0, 0.0, 1.0};
diff --git a/src/effects/particles_effect.cc b/src/effects/particles_effect.cc
index a98d7e5..b9e2b9c 100644
--- a/src/effects/particles_effect.cc
+++ b/src/effects/particles_effect.cc
@@ -81,9 +81,7 @@ void ParticlesEffect::render(WGPUCommandEncoder encoder,
 
   WGPURenderPassColorAttachment color_attachment = {
       .view = output_view,
-#if !defined(DEMO_CROSS_COMPILE_WIN32)
       .depthSlice = WGPU_DEPTH_SLICE_UNDEFINED,
-#endif
       .loadOp = WGPULoadOp_Clear,
       .storeOp = WGPUStoreOp_Store,
       .clearValue = {0.0, 0.0, 0.0, 1.0}};
diff --git a/src/effects/passthrough_effect.cc b/src/effects/passthrough_effect.cc
index 8cbd425..56e3711 100644
--- a/src/effects/passthrough_effect.cc
+++ b/src/effects/passthrough_effect.cc
@@ -64,9 +64,7 @@ void PassthroughEffect::render(WGPUCommandEncoder encoder,
   // Render pass
   WGPURenderPassColorAttachment color_attachment = {
     .view = output_view,
-#if !defined(DEMO_CROSS_COMPILE_WIN32)
     .depthSlice = WGPU_DEPTH_SLICE_UNDEFINED,
-#endif
     .loadOp = WGPULoadOp_Clear,
     .storeOp = WGPUStoreOp_Store,
     .clearValue = {0.0, 0.0, 0.0, 1.0}
diff --git a/src/effects/placeholder_effect.cc b/src/effects/placeholder_effect.cc
index a014a71..d8852da 100644
--- a/src/effects/placeholder_effect.cc
+++ b/src/effects/placeholder_effect.cc
@@ -46,9 +46,7 @@ void PlaceholderEffect::render(WGPUCommandEncoder encoder,
 
   WGPURenderPassColorAttachment color_attachment = {
     .view = output_view,
-#if !defined(DEMO_CROSS_COMPILE_WIN32)
     .depthSlice = WGPU_DEPTH_SLICE_UNDEFINED,
-#endif
     .loadOp = WGPULoadOp_Clear,
     .storeOp = WGPUStoreOp_Store,
     .clearValue = {0.0, 0.0, 0.0, 1.0}
diff --git a/src/effects/rotating_cube_effect.cc b/src/effects/rotating_cube_effect.cc
index 4bd79fe..57f0a83 100644
--- a/src/effects/rotating_cube_effect.cc
+++ b/src/effects/rotating_cube_effect.cc
@@ -163,9 +163,7 @@ void RotatingCubeEffect::render(WGPUCommandEncoder encoder,
   // Render pass with depth
   WGPURenderPassColorAttachment color_attachment = {
       .view = color_view,
-#if !defined(DEMO_CROSS_COMPILE_WIN32)
       .depthSlice = WGPU_DEPTH_SLICE_UNDEFINED,
-#endif
       .loadOp = WGPULoadOp_Clear,
       .storeOp = WGPUStoreOp_Store,
       .clearValue = {0.0, 0.0, 0.0, 1.0}};
diff --git a/src/gpu/gpu.h b/src/gpu/gpu.h
index 876aa84..41eeb29 100644
--- a/src/gpu/gpu.h
+++ b/src/gpu/gpu.h
@@ -66,12 +66,7 @@ inline void gpu_init_color_attachment(WGPURenderPassColorAttachment& attachment,
   attachment.loadOp = WGPULoadOp_Clear;
   attachment.storeOp = WGPUStoreOp_Store;
   attachment.clearValue = {0.0f, 0.0f, 0.0f, 1.0f};
-#if defined(DEMO_CROSS_COMPILE_WIN32)
-  // depthSlice is handled via macro in platform.h if needed,
-  // but usually it's better to just avoid setting it on older wgpu-native
-#else
   attachment.depthSlice = WGPU_DEPTH_SLICE_UNDEFINED;
-#endif
 }
 
 // Texture creation helper