From 9fd0867181b1f43394fd7db8b59fdfee18207706 Mon Sep 17 00:00:00 2001
From: TuxSH <1922548+TuxSH@users.noreply.github.com>
Date: Wed, 6 May 2020 20:13:16 +0100
Subject: [PATCH] Add GSPGPU_ResetGpuCore

---
 libctru/include/3ds/services/gspgpu.h |  7 +++++--
 libctru/source/services/gspgpu.c      | 13 ++++++++++++-
 2 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/libctru/include/3ds/services/gspgpu.h b/libctru/include/3ds/services/gspgpu.h
index 6636c46..bb59bfc 100644
--- a/libctru/include/3ds/services/gspgpu.h
+++ b/libctru/include/3ds/services/gspgpu.h
@@ -144,9 +144,12 @@ Result GSPGPU_ReleaseRight(void);
  */
 Result GSPGPU_ImportDisplayCaptureInfo(GSPGPU_CaptureInfo*captureinfo);
 
-/// Sames the VRAM sys area.
+/// Saves the VRAM sys area.
 Result GSPGPU_SaveVramSysArea(void);
 
+/// Resets the GPU
+Result GSPGPU_ResetGpuCore(void);
+
 /// Restores the VRAM sys area.
 Result GSPGPU_RestoreVramSysArea(void);
 
@@ -222,4 +225,4 @@ Result GSPGPU_TriggerCmdReqQueue(void);
  * @brief Sets 3D_LEDSTATE to the input state value.
  * @param disable False = 3D LED enable, true = 3D LED disable.
  */
-Result GSPGPU_SetLedForceOff(bool disable);
\ No newline at end of file
+Result GSPGPU_SetLedForceOff(bool disable);
diff --git a/libctru/source/services/gspgpu.c b/libctru/source/services/gspgpu.c
index 1247267..f169ba4 100644
--- a/libctru/source/services/gspgpu.c
+++ b/libctru/source/services/gspgpu.c
@@ -430,6 +430,17 @@ Result GSPGPU_RestoreVramSysArea(void)
 	return cmdbuf[1];
 }
 
+Result GSPGPU_ResetGpuCore(void)
+{
+	u32* cmdbuf=getThreadCommandBuffer();
+	cmdbuf[0]=IPC_MakeHeader(0x1B,0,0); // 0x001B0000
+
+	Result ret=0;
+	if(R_FAILED(ret=svcSendSyncRequest(gspGpuHandle)))return ret;
+
+	return cmdbuf[1];
+}
+
 Result GSPGPU_SetLedForceOff(bool disable)
 {
 	u32 *cmdbuf = getThreadCommandBuffer();
@@ -441,4 +452,4 @@ Result GSPGPU_SetLedForceOff(bool disable)
 	if (R_FAILED(ret = svcSendSyncRequest(gspGpuHandle))) return ret;
 
 	return cmdbuf[1];
-}
\ No newline at end of file
+}