Add renderer mipmap command contract

src/renderer_api/recording_renderer.cpp

@@ -409,6 +409,32 @@ pp::foundation::Status RecordingCommandContext::upload_texture(
     return pp::foundation::Status::success();
 }
 
+pp::foundation::Status RecordingCommandContext::generate_mipmaps(ITexture2D& texture) noexcept
+{
+    if (in_render_pass_) {
+        return pp::foundation::Status::invalid_argument("mipmap generation must be outside a render pass");
+    }
+
+    const auto desc = texture.desc();
+    const auto desc_status = validate_mipmap_generation_desc(desc);
+    if (!desc_status.ok()) {
+        return desc_status;
+    }
+
+    const auto bytes = texture_byte_size(desc);
+    if (!bytes.ok()) {
+        return bytes.status();
+    }
+
+    push_command(commands_, RecordedRenderCommand {
+        .kind = RecordedRenderCommandKind::generate_mipmaps,
+        .texture_desc = desc,
+        .generated_mip_levels = desc.mip_levels,
+        .generated_mip_bytes = bytes.value(),
+    });
+    return pp::foundation::Status::success();
+}
+
 pp::foundation::Status RecordingCommandContext::copy_texture(
     ITexture2D& source,
     ReadbackRegion source_region,
@@ -691,6 +717,8 @@ const char* recorded_render_command_kind_name(RecordedRenderCommandKind kind) no
         return "draw";
     case RecordedRenderCommandKind::upload_texture:
         return "upload_texture";
+    case RecordedRenderCommandKind::generate_mipmaps:
+        return "generate_mipmaps";
     case RecordedRenderCommandKind::copy_texture:
         return "copy_texture";
     case RecordedRenderCommandKind::read_texture: