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>

4 files changed, 5 insertions, 34 deletions

diff --git a/src/tests/3d/test_3d_physics.cc b/src/tests/3d/test_3d_physics.cc
index 2ee5a4a..736cfc0 100644
--- a/src/tests/3d/test_3d_physics.cc
+++ b/src/tests/3d/test_3d_physics.cc
@@ -185,15 +185,8 @@ int main(int argc, char** argv) {
     wgpuSurfaceGetCurrentTexture(g_surface, &surface_tex);
     if (surface_tex.status ==
         WGPUSurfaceGetCurrentTextureStatus_SuccessOptimal) {
-      const WGPUTextureViewDescriptor view_desc = {
-          .format = g_format,
-          .dimension = WGPUTextureViewDimension_2D,
-          .mipLevelCount = 1,
-          .arrayLayerCount = 1,
-      };
-
       const WGPUTextureView view =
-          wgpuTextureCreateView(surface_tex.texture, &view_desc);
+          gpu_create_texture_view_2d(surface_tex.texture, g_format);
       g_renderer.render(g_scene, g_camera, time, view);
       wgpuTextureViewRelease(view);
       wgpuSurfacePresent(g_surface);
diff --git a/src/tests/3d/test_3d_render.cc b/src/tests/3d/test_3d_render.cc
index 49a265f..06e95c4 100644
--- a/src/tests/3d/test_3d_render.cc
+++ b/src/tests/3d/test_3d_render.cc
@@ -215,15 +215,8 @@ int main(int argc, char** argv) {
     wgpuSurfaceGetCurrentTexture(g_surface, &surface_tex);
     if (surface_tex.status ==
         WGPUSurfaceGetCurrentTextureStatus_SuccessOptimal) {
-      const WGPUTextureViewDescriptor view_desc = {
-          .format = g_format,
-          .dimension = WGPUTextureViewDimension_2D,
-          .mipLevelCount = 1,
-          .arrayLayerCount = 1,
-      };
-
       const WGPUTextureView view =
-          wgpuTextureCreateView(surface_tex.texture, &view_desc);
+          gpu_create_texture_view_2d(surface_tex.texture, g_format);
       g_renderer.render(g_scene, g_camera, time, view);
       wgpuTextureViewRelease(view);
       wgpuSurfacePresent(g_surface);
diff --git a/src/tests/common/offscreen_render_target.cc b/src/tests/common/offscreen_render_target.cc
index 10775a1..d322a7c 100644
--- a/src/tests/common/offscreen_render_target.cc
+++ b/src/tests/common/offscreen_render_target.cc
@@ -3,6 +3,7 @@
 // Provides pixel readback for validation.
 
 #include "offscreen_render_target.h"
+#include "gpu/gpu.h"
 #include "gpu/texture_readback.h"
 #include <cassert>
 #include <cstdio>
@@ -27,15 +28,7 @@ OffscreenRenderTarget::OffscreenRenderTarget(WGPUInstance instance,
   assert(texture_ && "Failed to create offscreen texture");
 
   // Create texture view
-  const WGPUTextureViewDescriptor view_desc = {
-      .format = format,
-      .dimension = WGPUTextureViewDimension_2D,
-      .baseMipLevel = 0,
-      .mipLevelCount = 1,
-      .baseArrayLayer = 0,
-      .arrayLayerCount = 1,
-  };
-  view_ = wgpuTextureCreateView(texture_, &view_desc);
+  view_ = gpu_create_texture_view_2d(texture_, format);
   assert(view_ && "Failed to create offscreen texture view");
 }
 
diff --git a/src/tests/gpu/test_post_process_helper.cc b/src/tests/gpu/test_post_process_helper.cc
index 13fd856..08b9e49 100644
--- a/src/tests/gpu/test_post_process_helper.cc
+++ b/src/tests/gpu/test_post_process_helper.cc
@@ -38,15 +38,7 @@ static WGPUTexture create_post_process_texture(WGPUDevice device, int width,
 // Helper: Create texture view
 static WGPUTextureView create_texture_view(WGPUTexture texture,
                                            WGPUTextureFormat format) {
-  const WGPUTextureViewDescriptor view_desc = {
-      .format = format,
-      .dimension = WGPUTextureViewDimension_2D,
-      .baseMipLevel = 0,
-      .mipLevelCount = 1,
-      .baseArrayLayer = 0,
-      .arrayLayerCount = 1,
-  };
-  return wgpuTextureCreateView(texture, &view_desc);
+  return gpu_create_texture_view_2d(texture, format);
 }
 
 // Minimal valid post-process shader for testing