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[vk, qcom] Adjusting Sampler Budget reserved value

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This commit is contained in:
CamilleLaVey 2025-11-25 21:53:33 -04:00 • committed by lizzie
parent b98a150e4c
commit c267f97798
1 changed files with 5 additions and 4 deletions
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9
src/video_core/vulkan_common/vulkan_device.cpp
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@ -595,13 +595,14 @@ 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);
}
const u32 version = (properties.properties.driverVersion << 3) >> 3;
if (version < VK_MAKE_API_VERSION(0, 255, 615, 512) ||