aboutsummaryrefslogtreecommitdiff
path: root/src/video_core/vulkan_common/vulkan_device.cpp
diff options
context:
space:
mode:
authorPastaLaPate <pastalapate@proton.me>2026-11-02 20:34:15 +0100
committerGitHub <noreply@github.com>2026-11-02 20:34:15 +0100
commit6f002badce45fa2fdb414043544c829e834a7e27 (patch)
tree51c21a851fbc8218ebe7febb69fb710a891cc4fc /src/video_core/vulkan_common/vulkan_device.cpp
parent396f011ea875dfe4fdb1b0f489651ab74a505b74 (diff)
parent046646e3514ca4950622d75609e68498f889989e (diff)
Merge branch 'nx2' into ci/qt-6.12.0
Diffstat (limited to 'src/video_core/vulkan_common/vulkan_device.cpp')
-rw-r--r--src/video_core/vulkan_common/vulkan_device.cpp57
1 files changed, 54 insertions, 3 deletions
diff --git a/src/video_core/vulkan_common/vulkan_device.cpp b/src/video_core/vulkan_common/vulkan_device.cpp
index b65c721bb8..01e13cb384 100644
--- a/src/video_core/vulkan_common/vulkan_device.cpp
+++ b/src/video_core/vulkan_common/vulkan_device.cpp
@@ -779,10 +779,14 @@ Device::Device(VkInstance instance_, vk::PhysicalDevice physical_, VkSurfaceKHR
.flags = flags,
.physicalDevice = physical,
.device = *logical,
- // 64 MiB blocks on discrete GPUs too: with 256 MiB ones, Switch 2 titles' mix of
+ // 16 MiB blocks on discrete GPUs too: with 256 MiB ones, Switch 2 titles' mix of
// texture sizes left ~38% of the image blocks empty (2 GB of an 8 GB card in title
- // 1), which the texture cache counted as used and kept evicting textures for.
- .preferredLargeHeapBlockSize = 64u * 1024u * 1024u,
+ // 1), which the texture cache counted as used and kept evicting textures for. With
+ // 64 MiB ones textures created and deleted by the thousand still left ~1.7 GB of holes
+ // after ten minutes, with 32 MiB ones ~0.5 GB: a block drains only once all of its
+ // images are gone, and fewer per block drain sooner. VMA gives allocations over half a
+ // block (8 MiB) their own memory, which goes back to the driver when they are freed.
+ .preferredLargeHeapBlockSize = 16u * 1024u * 1024u,
.pAllocationCallbacks = nullptr,
.pDeviceMemoryCallbacks = nullptr,
.pHeapSizeLimit = heap_size_limit != 0 ? heap_size_limits.data() : nullptr,
@@ -804,9 +808,37 @@ Device::Device(VkInstance instance_, vk::PhysicalDevice physical_, VkSurfaceKHR
Device::~Device() {
SaveStaticPipelineCache();
ShutdownGPULogging();
+ for (auto& pools : separate_pools) {
+ for (VmaPool pool : pools) {
+ if (pool != VK_NULL_HANDLE) {
+ vmaDestroyPool(allocator, pool);
+ }
+ }
+ }
vmaDestroyAllocator(allocator);
}
+VmaPool Device::GetSeparatePool(SeparatePool kind, u32 memory_type) const {
+ std::scoped_lock lk{separate_pools_mutex};
+ VmaPool& pool = separate_pools[static_cast<u32>(kind)][memory_type];
+ if (pool == VK_NULL_HANDLE) {
+ const VmaPoolCreateInfo ci{
+ .memoryTypeIndex = memory_type,
+ .flags = 0,
+ .blockSize = SeparatePoolBlockSize,
+ .minBlockCount = 0,
+ .maxBlockCount = 0,
+ .priority = 0.f,
+ .minAllocationAlignment = 0,
+ .pMemoryAllocateNext = nullptr,
+ };
+ if (vmaCreatePool(allocator, &ci, &pool) != VK_SUCCESS) {
+ pool = VK_NULL_HANDLE;
+ }
+ }
+ return pool;
+}
+
void Device::LoadStaticPipelineCache() {
const auto create = [this](size_t size, const void* data) {
static_pipeline_cache = logical.CreatePipelineCache({
@@ -1515,6 +1547,15 @@ void Device::RemoveUnsuitableExtensions() {
VK_KHR_PIPELINE_EXECUTABLE_PROPERTIES_EXTENSION_NAME);
}
+ // VK_EXT_mesh_shader: Switch 2 titles draw some geometry with task and mesh programs. Only
+ // the two stages are used; the multiview, shading rate and query features need more.
+ features.mesh_shader.multiviewMeshShader = VK_FALSE;
+ features.mesh_shader.primitiveFragmentShadingRateMeshShader = VK_FALSE;
+ features.mesh_shader.meshShaderQueries = VK_FALSE;
+ extensions.mesh_shader = features.mesh_shader.taskShader && features.mesh_shader.meshShader;
+ RemoveExtensionFeatureIfUnsuitable(extensions.mesh_shader, features.mesh_shader,
+ VK_EXT_MESH_SHADER_EXTENSION_NAME);
+
// VK_KHR_shader_quad_control
extensions.shader_quad_control = features.shader_quad_control.shaderQuadControl;
RemoveExtensionFeatureIfUnsuitable(extensions.shader_quad_control, features.shader_quad_control,
@@ -1643,6 +1684,16 @@ u64 Device::GetDeviceMemoryUsage() const {
return result;
}
+u64 Device::GetDeviceMemorySlack() const {
+ if (allocator == nullptr) {
+ return 0;
+ }
+ std::array<VmaBudget, VK_MAX_MEMORY_HEAPS> heap_budgets{};
+ vmaGetHeapBudgets(allocator, heap_budgets.data());
+ const VmaStatistics& statistics = heap_budgets[main_heap].statistics;
+ return statistics.blockBytes - (std::min)(statistics.blockBytes, statistics.allocationBytes);
+}
+
u64 Device::GetDeviceMemoryBudget() const {
if (!extensions.memory_budget) {
return 0;