Refactor: add gpu_create_texture_view_2d helper

Reduces WGPUTextureViewDescriptor boilerplate from 5-7 lines to 1-2.
Helper supports optional mip_levels parameter (defaults to 1).

Updated 17 call sites across gpu/, tests/, and tools/.
Net: -82 lines. All tests passing (34/34).

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

1 files changed, 6 insertions, 24 deletions

diff --git a/src/gpu/effect.cc b/src/gpu/effect.cc
index 3ee2acd..52128c4 100644
--- a/src/gpu/effect.cc
+++ b/src/gpu/effect.cc
@@ -127,14 +127,10 @@ void MainSequence::create_framebuffers(int width, int height) {
   framebuffer_a_ = wgpuDeviceCreateTexture(gpu_ctx.device, &desc);
   framebuffer_b_ = wgpuDeviceCreateTexture(gpu_ctx.device, &desc);
 
-  WGPUTextureViewDescriptor view_desc = {};
-  view_desc.dimension = WGPUTextureViewDimension_2D;
-  view_desc.format = gpu_ctx.format;
-  view_desc.mipLevelCount = 1;
-  view_desc.arrayLayerCount = 1;
-
-  framebuffer_view_a_ = wgpuTextureCreateView(framebuffer_a_, &view_desc);
-  framebuffer_view_b_ = wgpuTextureCreateView(framebuffer_b_, &view_desc);
+  framebuffer_view_a_ =
+      gpu_create_texture_view_2d(framebuffer_a_, gpu_ctx.format);
+  framebuffer_view_b_ =
+      gpu_create_texture_view_2d(framebuffer_b_, gpu_ctx.format);
 
   // Depth Buffer
   WGPUTextureDescriptor depth_desc = {};
@@ -478,14 +474,7 @@ void MainSequence::register_auxiliary_texture(const char* name, int width,
   FATAL_CHECK(!texture, "Failed to create auxiliary texture: %s\n", name);
 
   // Create view
-  const WGPUTextureViewDescriptor view_desc = {
-      .format = gpu_ctx.format,
-      .dimension = WGPUTextureViewDimension_2D,
-      .mipLevelCount = 1,
-      .arrayLayerCount = 1,
-  };
-
-  WGPUTextureView view = wgpuTextureCreateView(texture, &view_desc);
+  WGPUTextureView view = gpu_create_texture_view_2d(texture, gpu_ctx.format);
   FATAL_CHECK(!view, "Failed to create auxiliary texture view: %s\n", name);
 
   // Store in registry
@@ -535,14 +524,7 @@ void MainSequence::resize_auxiliary_texture(const char* name, int width,
   FATAL_CHECK(!texture, "Failed to resize auxiliary texture: %s\n", name);
 
   // Create view
-  const WGPUTextureViewDescriptor view_desc = {
-      .format = gpu_ctx.format,
-      .dimension = WGPUTextureViewDimension_2D,
-      .mipLevelCount = 1,
-      .arrayLayerCount = 1,
-  };
-
-  WGPUTextureView view = wgpuTextureCreateView(texture, &view_desc);
+  WGPUTextureView view = gpu_create_texture_view_2d(texture, gpu_ctx.format);
   FATAL_CHECK(!view, "Failed to create resized auxiliary texture view: %s\n",
               name);