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, 14 insertions, 46 deletions

diff --git a/src/gpu/texture_manager.cc b/src/gpu/texture_manager.cc
index dfa6315..d5821ee 100644
--- a/src/gpu/texture_manager.cc
+++ b/src/gpu/texture_manager.cc
@@ -103,16 +103,8 @@ void TextureManager::create_texture(const std::string& name, int width,
                         &source_layout, &tex_size);
 
   // 4. Create View
-  WGPUTextureViewDescriptor view_desc = {};
-  view_desc.format = WGPUTextureFormat_RGBA8Unorm;
-  view_desc.dimension = WGPUTextureViewDimension_2D;
-  view_desc.baseMipLevel = 0;
-  view_desc.mipLevelCount = 1;
-  view_desc.baseArrayLayer = 0;
-  view_desc.arrayLayerCount = 1;
-  view_desc.aspect = WGPUTextureAspect_All;
-
-  WGPUTextureView view = wgpuTextureCreateView(texture, &view_desc);
+  WGPUTextureView view =
+      gpu_create_texture_view_2d(texture, WGPUTextureFormat_RGBA8Unorm);
 
   // 5. Store
   GpuTexture gpu_tex;
@@ -242,12 +234,8 @@ void TextureManager::dispatch_compute(const std::string& func_name,
   wgpuBufferUnmap(uniform_buf);
 
   // Create storage texture view
-  WGPUTextureViewDescriptor view_desc = {};
-  view_desc.format = WGPUTextureFormat_RGBA8Unorm;
-  view_desc.dimension = WGPUTextureViewDimension_2D;
-  view_desc.mipLevelCount = 1;
-  view_desc.arrayLayerCount = 1;
-  WGPUTextureView target_view = wgpuTextureCreateView(target, &view_desc);
+  WGPUTextureView target_view =
+      gpu_create_texture_view_2d(target, WGPUTextureFormat_RGBA8Unorm);
 
   // Create bind group layout entries (must match pipeline)
   WGPUBindGroupLayoutEntry bgl_entries[2] = {};
@@ -332,12 +320,8 @@ void TextureManager::create_gpu_noise_texture(
                           params.params[0], params.params[1]};
   dispatch_compute("gen_noise", texture, params, &uniforms, sizeof(NoiseParams));
 
-  WGPUTextureViewDescriptor view_desc = {};
-  view_desc.format = WGPUTextureFormat_RGBA8Unorm;
-  view_desc.dimension = WGPUTextureViewDimension_2D;
-  view_desc.mipLevelCount = 1;
-  view_desc.arrayLayerCount = 1;
-  WGPUTextureView view = wgpuTextureCreateView(texture, &view_desc);
+  WGPUTextureView view =
+      gpu_create_texture_view_2d(texture, WGPUTextureFormat_RGBA8Unorm);
 
   GpuTexture gpu_tex;
   gpu_tex.texture = texture;
@@ -389,12 +373,8 @@ void TextureManager::create_gpu_perlin_texture(
   dispatch_compute("gen_perlin", texture, params, &uniforms,
                    sizeof(PerlinParams));
 
-  WGPUTextureViewDescriptor view_desc = {};
-  view_desc.format = WGPUTextureFormat_RGBA8Unorm;
-  view_desc.dimension = WGPUTextureViewDimension_2D;
-  view_desc.mipLevelCount = 1;
-  view_desc.arrayLayerCount = 1;
-  WGPUTextureView view = wgpuTextureCreateView(texture, &view_desc);
+  WGPUTextureView view =
+      gpu_create_texture_view_2d(texture, WGPUTextureFormat_RGBA8Unorm);
 
   GpuTexture gpu_tex;
   gpu_tex.texture = texture;
@@ -436,12 +416,8 @@ void TextureManager::create_gpu_grid_texture(
       params.num_params > 1 ? (uint32_t)params.params[1] : 2u};
   dispatch_compute("gen_grid", texture, params, &uniforms, sizeof(GridParams));
 
-  WGPUTextureViewDescriptor view_desc = {};
-  view_desc.format = WGPUTextureFormat_RGBA8Unorm;
-  view_desc.dimension = WGPUTextureViewDimension_2D;
-  view_desc.mipLevelCount = 1;
-  view_desc.arrayLayerCount = 1;
-  WGPUTextureView view = wgpuTextureCreateView(texture, &view_desc);
+  WGPUTextureView view =
+      gpu_create_texture_view_2d(texture, WGPUTextureFormat_RGBA8Unorm);
 
   GpuTexture gpu_tex;
   gpu_tex.texture = texture;
@@ -528,12 +504,8 @@ void TextureManager::dispatch_composite(
   wgpuBufferUnmap(uniform_buf);
 
   // Create storage texture view
-  WGPUTextureViewDescriptor view_desc = {};
-  view_desc.format = WGPUTextureFormat_RGBA8Unorm;
-  view_desc.dimension = WGPUTextureViewDimension_2D;
-  view_desc.mipLevelCount = 1;
-  view_desc.arrayLayerCount = 1;
-  WGPUTextureView target_view = wgpuTextureCreateView(target, &view_desc);
+  WGPUTextureView target_view =
+      gpu_create_texture_view_2d(target, WGPUTextureFormat_RGBA8Unorm);
 
   // Dynamic bind group
   const int max_entries = 2 + num_inputs + (num_inputs > 0 ? 1 : 0);
@@ -665,12 +637,8 @@ void TextureManager::create_gpu_composite_texture(
                     input_views, sampler);
 
   // Create view
-  WGPUTextureViewDescriptor view_desc = {};
-  view_desc.format = WGPUTextureFormat_RGBA8Unorm;
-  view_desc.dimension = WGPUTextureViewDimension_2D;
-  view_desc.mipLevelCount = 1;
-  view_desc.arrayLayerCount = 1;
-  WGPUTextureView view = wgpuTextureCreateView(texture, &view_desc);
+  WGPUTextureView view =
+      gpu_create_texture_view_2d(texture, WGPUTextureFormat_RGBA8Unorm);
 
   // Store
   GpuTexture gpu_tex;