[ET-VK][ez] Fix undefined behaviour in ambiguous ParamsBuffer constructor

Differential Revision: D67770791

Pull Request resolved: #7478

Author: SS-JIA

backends/vulkan/runtime/api/containers/ParamsBuffer.h

@@ -31,8 +31,9 @@ class ParamsBuffer final {
         vulkan_buffer_(
             context_p_->adapter_ptr()->vma().create_params_buffer(block)) {}
 
-  template <typename Block>
-  ParamsBuffer(Context* context_p, const VkDeviceSize nbytes)
+  // The last bool argument, though unused, is required to disambiguate this
+  // constructor from the one above.
+  ParamsBuffer(Context* context_p, const VkDeviceSize nbytes, const bool unused)
       : context_p_(context_p),
         vulkan_buffer_(
             context_p_->adapter_ptr()->vma().create_uniform_buffer(nbytes)) {}

backends/vulkan/runtime/api/containers/Tensor.cpp

@@ -659,7 +659,7 @@ utils::GPUMemoryLayout vTensor::estimate_memory_layout() const {
 
 const vkapi::BufferBindInfo vTensor::sizes_ubo() {
   if (!uniforms_.buffer()) {
-    uniforms_ = ParamsBuffer(storage_.context_, kMaxUniformBufferSize);
+    uniforms_ = ParamsBuffer(storage_.context_, kMaxUniformBufferSize, true);
   }
   if (sizes_uniform_offset_ == kUniformOffsetUnset) {
     VK_CHECK_COND(
@@ -674,7 +674,7 @@ const vkapi::BufferBindInfo vTensor::sizes_ubo() {
 
 const vkapi::BufferBindInfo vTensor::strides_ubo() {
   if (!uniforms_.buffer()) {
-    uniforms_ = ParamsBuffer(storage_.context_, kMaxUniformBufferSize);
+    uniforms_ = ParamsBuffer(storage_.context_, kMaxUniformBufferSize, true);
   }
   if (unsqueezed_strides_offset_ == kUniformOffsetUnset) {
     VK_CHECK_COND(
@@ -691,7 +691,7 @@ const vkapi::BufferBindInfo vTensor::strides_ubo() {
 
 const vkapi::BufferBindInfo vTensor::logical_limits_ubo() {
   if (!uniforms_.buffer()) {
-    uniforms_ = ParamsBuffer(storage_.context_, kMaxUniformBufferSize);
+    uniforms_ = ParamsBuffer(storage_.context_, kMaxUniformBufferSize, true);
   }
   if (logical_limits_uniform_offset_ == kUniformOffsetUnset) {
     VK_CHECK_COND(
@@ -707,7 +707,7 @@ const vkapi::BufferBindInfo vTensor::logical_limits_ubo() {
 
 const vkapi::BufferBindInfo vTensor::numel_ubo() {
   if (!uniforms_.buffer()) {
-    uniforms_ = ParamsBuffer(storage_.context_, kMaxUniformBufferSize);
+    uniforms_ = ParamsBuffer(storage_.context_, kMaxUniformBufferSize, true);
   }
   if (numel_uniform_offset_ == kUniformOffsetUnset) {
     VK_CHECK_COND(