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refactor: consolidate duplicate environment variable utility functions

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Move envSizeMBOrDefault and envSizeOrDefault from 4 separate rendering
modules (character_renderer, m2_renderer, terrain_renderer, wmo_renderer)
into shared vk_utils.hpp header as inline functions. Use the most robust
version which includes overflow checking for MB-to-bytes conversion. This
eliminates 7 identical local function definitions and improves consistency
across all rendering modules.
This commit is contained in:
Kelsi 2026-03-11 11:36:06 -07:00
parent cda703b0f4
commit b3d8651db9
5 changed files with 22 additions and 65 deletions
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11
src/rendering/terrain_renderer.cpp
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@ -20,17 +20,6 @@
namespace wowee {
namespace rendering {
namespace {
size_t envSizeMBOrDefault(const char* name, size_t defMb) {
const char* raw = std::getenv(name);
if (!raw || !*raw) return defMb;
char* end = nullptr;
unsigned long long mb = std::strtoull(raw, &end, 10);
if (end == raw || mb == 0) return defMb;
return static_cast<size_t>(mb);
}
} // namespace
// Matches set 1 binding 7 in terrain.frag.glsl
struct TerrainParamsUBO {
int32_t layerCount;