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, 8 insertions, 28 deletions

diff --git a/tools/cnn_test.cc b/tools/cnn_test.cc
index b4a4bdc..1d736d9 100644
--- a/tools/cnn_test.cc
+++ b/tools/cnn_test.cc
@@ -700,15 +700,8 @@ static bool process_cnn_v2(WGPUDevice device, WGPUQueue queue,
   wgpuQueueWriteBuffer(queue, weights_buffer, 0, weights_data + weights_offset, weights_only_size);
 
   // Create input view
-  const WGPUTextureViewDescriptor view_desc = {
-      .format = WGPUTextureFormat_BGRA8Unorm,
-      .dimension = WGPUTextureViewDimension_2D,
-      .baseMipLevel = 0,
-      .mipLevelCount = 1,
-      .baseArrayLayer = 0,
-      .arrayLayerCount = 1,
-  };
-  WGPUTextureView input_view = wgpuTextureCreateView(input_texture, &view_desc);
+  WGPUTextureView input_view =
+      gpu_create_texture_view_2d(input_texture, WGPUTextureFormat_BGRA8Unorm);
 
   // Create static features texture (RGBA32Uint)
   const WGPUTextureDescriptor static_desc = {
@@ -1269,15 +1262,8 @@ int main(int argc, char** argv) {
   printf("Using CNN v1 (render pipeline architecture)\n");
 
   // Create input texture view
-  const WGPUTextureViewDescriptor view_desc = {
-      .format = WGPUTextureFormat_BGRA8Unorm,
-      .dimension = WGPUTextureViewDimension_2D,
-      .baseMipLevel = 0,
-      .mipLevelCount = 1,
-      .baseArrayLayer = 0,
-      .arrayLayerCount = 1,
-  };
-  WGPUTextureView input_view = wgpuTextureCreateView(input_texture, &view_desc);
+  WGPUTextureView input_view =
+      gpu_create_texture_view_2d(input_texture, WGPUTextureFormat_BGRA8Unorm);
   WGPUTextureView original_view = input_view; // Keep reference to original
 
   // Create CNN pipelines (different formats for intermediate vs final)
@@ -1333,17 +1319,11 @@ int main(int argc, char** argv) {
   };
 
   // Create views for intermediate textures (RGBA16Float)
-  const WGPUTextureViewDescriptor intermediate_view_desc = {
-      .format = WGPUTextureFormat_RGBA16Float,
-      .dimension = WGPUTextureViewDimension_2D,
-      .baseMipLevel = 0,
-      .mipLevelCount = 1,
-      .baseArrayLayer = 0,
-      .arrayLayerCount = 1,
-  };
   WGPUTextureView intermediate_views[2] = {
-      wgpuTextureCreateView(intermediate_textures[0], &intermediate_view_desc),
-      wgpuTextureCreateView(intermediate_textures[1], &intermediate_view_desc),
+      gpu_create_texture_view_2d(intermediate_textures[0],
+                                 WGPUTextureFormat_RGBA16Float),
+      gpu_create_texture_view_2d(intermediate_textures[1],
+                                 WGPUTextureFormat_RGBA16Float),
   };
 
   // Get sampler