[GPU] Removed nvapi

- According to reports d3d12_nvapi_use_driver_heap_priorities give no benefit

src/xenia/ui/d3d12/d3d12_provider.cc

@@ -34,8 +34,6 @@ DEFINE_int32(
     "system responsibility)",
     "D3D12");
 
-DEFINE_bool(d3d12_nvapi_use_driver_heap_priorities, false, "nvidia stuff",
-            "D3D12");
 namespace xe {
 namespace ui {
 namespace d3d12 {
@@ -480,59 +478,14 @@ bool D3D12Provider::Initialize() {
   // Get the graphics analysis interface, will silently fail if PIX is not
   // attached.
   pfn_dxgi_get_debug_interface1_(0, IID_PPV_ARGS(&graphics_analysis_));
-  if (GetAdapterVendorID() == ui::GraphicsProvider::GpuVendorID::kNvidia) {
-    nvapi_ = new lightweight_nvapi::nvapi_state_t();
-    if (!nvapi_->is_available()) {
-      delete nvapi_;
-      nvapi_ = nullptr;
-    } else {
-      using namespace lightweight_nvapi;
-
-      nvapi_createcommittedresource_ =
-          (cb_NvAPI_D3D12_CreateCommittedResource)nvapi_->query_interface<void>(
-              id_NvAPI_D3D12_CreateCommittedResource);
-      nvapi_querycpuvisiblevidmem_ =
-          (cb_NvAPI_D3D12_QueryCpuVisibleVidmem)nvapi_->query_interface<void>(
-              id_NvAPI_D3D12_QueryCpuVisibleVidmem);
-      nvapi_usedriverheappriorities_ =
-          (cb_NvAPI_D3D12_UseDriverHeapPriorities)nvapi_->query_interface<void>(
-              id_NvAPI_D3D12_UseDriverHeapPriorities);
-
-      if (nvapi_usedriverheappriorities_) {
-        if (cvars::d3d12_nvapi_use_driver_heap_priorities) {
-          if (nvapi_usedriverheappriorities_(device_) != 0) {
-            XELOGI("Failed to enable driver heap priorities");
-          }
-        }
-      }
-    }
-  }
   return true;
 }
 uint32_t D3D12Provider::CreateUploadResource(
     D3D12_HEAP_FLAGS HeapFlags, _In_ const D3D12_RESOURCE_DESC* pDesc,
     D3D12_RESOURCE_STATES InitialResourceState, REFIID riidResource,
-    void** ppvResource, bool try_create_cpuvisible,
-    const D3D12_CLEAR_VALUE* pOptimizedClearValue) const {
+    void** ppvResource, const D3D12_CLEAR_VALUE* pOptimizedClearValue) const {
   auto device = GetDevice();
 
-  if (try_create_cpuvisible && nvapi_createcommittedresource_) {
-    lightweight_nvapi::NV_RESOURCE_PARAMS nvrp;
-    nvrp.NVResourceFlags =
-        lightweight_nvapi::NV_D3D12_RESOURCE_FLAG_CPUVISIBLE_VIDMEM;
-    nvrp.version = 0;  // nothing checks the version
-
-    if (nvapi_createcommittedresource_(
-            device, &ui::d3d12::util::kHeapPropertiesUpload, HeapFlags, pDesc,
-            InitialResourceState, pOptimizedClearValue, &nvrp, riidResource,
-            ppvResource, nullptr) != 0) {
-      XELOGI(
-          "Failed to create CPUVISIBLE_VIDMEM upload resource, will just do "
-          "normal CreateCommittedResource");
-    } else {
-      return UPLOAD_RESULT_CREATE_CPUVISIBLE;
-    }
-  }
   if (FAILED(device->CreateCommittedResource(
           &ui::d3d12::util::kHeapPropertiesUpload, HeapFlags, pDesc,
           InitialResourceState, pOptimizedClearValue, riidResource,

src/xenia/ui/d3d12/d3d12_provider.h

@@ -15,12 +15,6 @@
 #include "xenia/ui/d3d12/d3d12_api.h"
 #include "xenia/ui/graphics_provider.h"
 
-// chrispy: this is here to prevent clang format from moving d3d12_nvapi above
-// the headers it depends on
-#define HEADERFENCE
-#undef HEADERFENCE
-#include "xenia/gpu/d3d12/d3d12_nvapi.hpp"
-
 namespace xe {
 namespace ui {
 namespace d3d12 {
@@ -47,7 +41,7 @@ class D3D12Provider : public GraphicsProvider {
   uint32_t CreateUploadResource(
       D3D12_HEAP_FLAGS HeapFlags, _In_ const D3D12_RESOURCE_DESC* pDesc,
       D3D12_RESOURCE_STATES InitialResourceState, REFIID riidResource,
-      void** ppvResource, bool try_create_cpuvisible = false,
+      void** ppvResource,
       const D3D12_CLEAR_VALUE* pOptimizedClearValue = nullptr) const;
 
   IDXGIFactory2* GetDXGIFactory() const { return dxgi_factory_; }
@@ -247,14 +241,6 @@ class D3D12Provider : public GraphicsProvider {
   bool ps_specified_stencil_reference_supported_;
   bool rasterizer_ordered_views_supported_;
   bool unaligned_block_textures_supported_;
-
-  lightweight_nvapi::nvapi_state_t* nvapi_;
-  lightweight_nvapi::cb_NvAPI_D3D12_CreateCommittedResource
-      nvapi_createcommittedresource_ = nullptr;
-  lightweight_nvapi::cb_NvAPI_D3D12_UseDriverHeapPriorities
-      nvapi_usedriverheappriorities_ = nullptr;
-  lightweight_nvapi::cb_NvAPI_D3D12_QueryCpuVisibleVidmem
-      nvapi_querycpuvisiblevidmem_ = nullptr;
 };
 
 }  // namespace d3d12