[spirv-val] Add the validation checks for SPV_QCOM_tile_shading

Author: wooyoungqcom

source/val/validate_mode_setting.cpp

@@ -1000,7 +1000,7 @@ spv_result_t ValidateDuplicateExecutionModes(ValidationState_t& _) {
   std::set<PerOperandKey> seen_per_operand;
 
   const auto lookupMode = [](spv::ExecutionMode mode) -> std::string {
-    spvtools::OperandDesc* desc = nullptr;
+    const spvtools::OperandDesc* desc = nullptr;
     if (spvtools::LookupOperand(SPV_OPERAND_TYPE_EXECUTION_MODE,
                                 static_cast<uint32_t>(mode),
                                 &desc) == SPV_SUCCESS) {

source/val/validation_state.cpp

@@ -368,7 +368,7 @@ void ValidationState_t::RegisterCapability(spv::Capability cap) {
   if (module_capabilities_.contains(cap)) return;
 
   module_capabilities_.insert(cap);
-  spvtools::OperandDesc* desc = nullptr;
+  const spvtools::OperandDesc* desc = nullptr;
   if (SPV_SUCCESS == spvtools::LookupOperand(SPV_OPERAND_TYPE_CAPABILITY,
                                              uint32_t(cap), &desc)) {
     for (auto capability : CapabilitySet(desc->capabilities_range.count(),

test/val/val_capability_test.cpp

@@ -2375,7 +2375,7 @@ spv_result_t spvCoreOperandTableNameLookup(spv_target_env env,
                                            const size_t nameLength) {
   if (!name) return SPV_ERROR_INVALID_POINTER;
 
-  spvtools::OperandDesc* entry = nullptr;
+  const spvtools::OperandDesc* entry = nullptr;
   if (SPV_SUCCESS == spvtools::LookupOperand(type, name, nameLength, &entry)) {
     // Check for min version only.
     if (spvVersionForTargetEnv(env) >= entry->minVersion) {