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feat(materialx): Add constexpr check for hwAiryFresnelIterations and improve logging

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johndoe6345789
2026-01-06 19:40:32 +00:00
parent 8e4699419c
commit 5162fa5103
1 changed files with 12 additions and 1 deletions
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13
src/services/impl/materialx_shader_generator.cpp
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@@ -18,6 +18,7 @@
#include <stdexcept>
#include <string>
#include <string_view>
#include <type_traits>
#include <tuple>
#include <vector>
@@ -126,6 +127,11 @@ std::string JoinTokens(const std::vector<std::string>& tokens, size_t limit) {
return result;
}
template <typename T>
constexpr bool HasHwAiryFresnelIterations = requires(const T& options) {
options.hwAiryFresnelIterations;
};
void ApplyTokenSubstitutions(const mx::ShaderGenerator& generator,
std::string& source,
const std::string& stageLabel,
@@ -171,9 +177,14 @@ unsigned int ResolveAiryFresnelIterations(const mx::GenContext& context,
constexpr unsigned int kDefaultAiryFresnelIterations = 4;
unsigned int iterations = kDefaultAiryFresnelIterations;
bool fromOptions = false;
if constexpr (requires { context.getOptions().hwAiryFresnelIterations; }) {
using OptionsType = std::remove_reference_t<decltype(context.getOptions())>;
constexpr bool kHasHwAiryFresnelIterations = HasHwAiryFresnelIterations<OptionsType>;
if constexpr (kHasHwAiryFresnelIterations) {
iterations = context.getOptions().hwAiryFresnelIterations;
fromOptions = true;
} else if (logger) {
logger->Trace("MaterialXShaderGenerator", "Generate",
"airyFresnelIterationsOption=unavailable");
}
if (logger) {
logger->Trace("MaterialXShaderGenerator", "Generate",