[vk, qcom] Memory, Samplers, BindingBuffers and UniformBufferAlignment set by hardware capabilities for QCOM. (#3280)

This PR adjust resources usage of Eden based on driver specification, improving stability and smarter resources usage, extends the amount of TotalPipelineWorkers on Android.

Co-authored-by: Caio Oliveira <caiooliveirafarias0@gmail.com>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/3280
Reviewed-by: Lizzie <lizzie@eden-emu.dev>
Reviewed-by: DraVee <dravee@eden-emu.dev>
Co-authored-by: CamilleLaVey <camillelavey99@gmail.com>
Co-committed-by: CamilleLaVey <camillelavey99@gmail.com>

2 files changed, 33 insertions, 0 deletions

diff --git a/src/video_core/vulkan_common/vulkan_device.cpp b/src/video_core/vulkan_common/vulkan_device.cpp
index d68cc4b9a4..2ae5052640 100644
--- a/src/video_core/vulkan_common/vulkan_device.cpp
+++ b/src/video_core/vulkan_common/vulkan_device.cpp
@@ -605,6 +605,18 @@ Device::Device(VkInstance instance_, vk::PhysicalDevice physical_, VkSurfaceKHR
         if (version < VK_MAKE_API_VERSION(0, 255, 615, 512)) {
             has_broken_parallel_compiling = true;
         }
+        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 - reserved);
+            sampler_heap_budget = derived_budget;
+            LOG_WARNING(Render_Vulkan,
+                        "Qualcomm driver reports max {} samplers; reserving {} (25%) and "
+                        "allowing Eden to use {} (75%) to avoid heap exhaustion",
+                        sampler_limit, reserved, sampler_heap_budget);
+        }
     }
 
     if (extensions.sampler_filter_minmax && is_amd) {
@@ -1529,6 +1541,13 @@ void Device::SetupFamilies(VkSurfaceKHR surface) {
     }
 }
 
+std::optional<size_t> Device::GetSamplerHeapBudget() const {
+    if (sampler_heap_budget == 0) {
+        return std::nullopt;
+    }
+    return sampler_heap_budget;
+}
+
 u64 Device::GetDeviceMemoryUsage() const {
     VkPhysicalDeviceMemoryBudgetPropertiesEXT budget;
     budget.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_MEMORY_BUDGET_PROPERTIES_EXT;
diff --git a/src/video_core/vulkan_common/vulkan_device.h b/src/video_core/vulkan_common/vulkan_device.h
index 726b17e47e..9b08dc2926 100644
--- a/src/video_core/vulkan_common/vulkan_device.h
+++ b/src/video_core/vulkan_common/vulkan_device.h
@@ -6,6 +6,7 @@
 
 #pragma once
 
+#include <optional>
 #include <set>
 #include <span>
 #include <string>
@@ -326,6 +327,16 @@ public:
         return properties.properties.limits.maxComputeSharedMemorySize;
     }
 
+    /// Returns the maximum number of dynamic storage buffer descriptors per set.
+    u32 GetMaxDescriptorSetStorageBuffersDynamic() const {
+        return properties.properties.limits.maxDescriptorSetStorageBuffersDynamic;
+    }
+
+    /// Returns the maximum number of dynamic uniform buffer descriptors per set.
+    u32 GetMaxDescriptorSetUniformBuffersDynamic() const {
+        return properties.properties.limits.maxDescriptorSetUniformBuffersDynamic;
+    }
+
     /// Returns float control properties of the device.
     const VkPhysicalDeviceFloatControlsPropertiesKHR& FloatControlProperties() const {
         return properties.float_controls;
@@ -744,6 +755,8 @@ public:
         return has_broken_parallel_compiling;
     }
 
+    std::optional<size_t> GetSamplerHeapBudget() const;
+
     /// Returns the vendor name reported from Vulkan.
     std::string_view GetVendorName() const {
         return properties.driver.driverName;
@@ -1040,6 +1053,7 @@ private:
     bool dynamic_state3_alpha_to_coverage{};
     bool dynamic_state3_alpha_to_one{};
     bool supports_conditional_barriers{};      ///< Allows barriers in conditional control flow.
+    size_t sampler_heap_budget{};              ///< Sampler budget for buggy drivers (0 = unlimited).
     u64 device_access_memory{};                ///< Total size of device local memory in bytes.
     u32 sets_per_pool{};                       ///< Sets per Description Pool
     NvidiaArchitecture nvidia_arch{NvidiaArchitecture::Arch_AmpereOrNewer};