From 79fd32f0c74cfeed3aa10cf8012cb016d1465cda Mon Sep 17 00:00:00 2001
From: yellows8 <yellows8@users.noreply.github.com>
Date: Wed, 15 Nov 2017 22:32:14 -0500
Subject: [PATCH] More nvgfx event stuff, still broken.

---
 nx/source/gfx/nvgfx.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/nx/source/gfx/nvgfx.c b/nx/source/gfx/nvgfx.c
index bd5154e9..fcdac936 100644
--- a/nx/source/gfx/nvgfx.c
+++ b/nx/source/gfx/nvgfx.c
@@ -16,6 +16,8 @@ static u32 g_nvgfx_fd_nvmap;
 static u32 g_nvgfx_fd_nvhostgpu;
 static u32 g_nvgfx_fd_nvhostctrl;
 
+static Handle g_nvgfx_nvhostctrl_eventhandle = INVALID_HANDLE;
+
 static gpu_characteristics g_nvgfx_gpu_characteristics;
 static u64 g_nvgfx_nvhostasgpu_allocspace_offset;
 static u32 g_nvgfx_tpcmasks[24>>2];
@@ -93,6 +95,8 @@ Result nvgfxInitialize(void) {
     g_nvgfx_fd_nvhostgpu = 0;
     g_nvgfx_fd_nvhostctrl = 0;
 
+    g_nvgfx_nvhostctrl_eventhandle = INVALID_HANDLE;
+
     memset(nvmap_objs, 0, sizeof(nvmap_objs));
 
     memset(&g_nvgfx_gpu_characteristics, 0, sizeof(gpu_characteristics));
@@ -288,11 +292,18 @@ Result nvgfxInitialize(void) {
     }
 
     //Currently broken.
+    //if (R_SUCCEEDED(rc)) rc = nvQueryEvent(g_nvgfx_fd_nvhostctrl, g_nvgfx_nvhostctrl_eventres, &g_nvgfx_nvhostctrl_eventhandle);
+
     //if (R_SUCCEEDED(rc)) rc = nvioctlNvhostCtrl_EventSignal(g_nvgfx_fd_nvhostctrl, g_nvgfx_nvhostctrl_eventres);
 
     //if (R_SUCCEEDED(rc)) rc = -1;
 
     if (R_FAILED(rc)) {
+        if (g_nvgfx_nvhostctrl_eventhandle != INVALID_HANDLE) {
+            svcCloseHandle(g_nvgfx_nvhostctrl_eventhandle);
+            g_nvgfx_nvhostctrl_eventhandle = INVALID_HANDLE;
+       }
+
         nvClose(g_nvgfx_fd_nvhostctrl);
         nvClose(g_nvgfx_fd_nvhostgpu);
         nvClose(g_nvgfx_fd_nvmap);
@@ -320,6 +331,11 @@ Result nvgfxInitialize(void) {
 void nvgfxExit(void) {
     if(!g_nvgfxInitialized)return;
 
+    if (g_nvgfx_nvhostctrl_eventhandle != INVALID_HANDLE) {
+        svcCloseHandle(g_nvgfx_nvhostctrl_eventhandle);
+        g_nvgfx_nvhostctrl_eventhandle = INVALID_HANDLE;
+    }
+
     nvClose(g_nvgfx_fd_nvhostctrl);
     nvClose(g_nvgfx_fd_nvhostgpu);
     nvClose(g_nvgfx_fd_nvmap);