[vk, qcom] Adjusting Sampler Budget reserved value

This commit is contained in:
CamilleLaVey 2025-11-25 21:53:33 -04:00 committed by Caio Oliveira
parent 4f1d12a3af
commit 29178a9359
1 changed files with 5 additions and 4 deletions

View File

@ -609,13 +609,14 @@ Device::Device(VkInstance instance_, vk::PhysicalDevice physical_, VkSurfaceKHR
const size_t sampler_limit = properties.properties.limits.maxSamplerAllocationCount;
if (sampler_limit > 0) {
constexpr size_t MIN_SAMPLER_BUDGET = 1024U;
const size_t reserved = sampler_limit / 4U;
const size_t derived_budget =
(std::max)(MIN_SAMPLER_BUDGET, sampler_limit / 4U);
(std::max)(MIN_SAMPLER_BUDGET, sampler_limit - reserved);
sampler_heap_budget = derived_budget;
LOG_WARNING(Render_Vulkan,
"Qualcomm driver reports max {} samplers; clamping cache to {} (25%) to "
"avoid heap exhaustion",
sampler_limit, sampler_heap_budget);
"Qualcomm driver reports max {} samplers; reserving {} (25%) and "
"allowing Eden to use {} (75%) to avoid heap exhaustion",
sampler_limit, reserved, sampler_heap_budget);
}
}