From b10b24feeaf29764e3d8c5ce551b6b23da11a2d4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Henrik=20Rydg=C3=A5rd?= <hrydgard@gmail.com>
Date: Sat, 9 Dec 2017 23:58:08 +0100
Subject: [PATCH] GLES device lost/store fixes

---
 GPU/GLES/DrawEngineGLES.cpp | 8 ++++++++
 GPU/GLES/DrawEngineGLES.h   | 8 ++++++--
 GPU/GLES/GPU_GLES.cpp       | 3 ++-
 3 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/GPU/GLES/DrawEngineGLES.cpp b/GPU/GLES/DrawEngineGLES.cpp
index c669843952..7cba85b02b 100644
--- a/GPU/GLES/DrawEngineGLES.cpp
+++ b/GPU/GLES/DrawEngineGLES.cpp
@@ -156,6 +156,14 @@ void DrawEngineGLES::RestoreVAO() {
 	}
 }
 
+void DrawEngineGLES::DeviceLost() {
+	DestroyDeviceObjects();
+}
+
+void DrawEngineGLES::DeviceRestore() {
+	InitDeviceObjects();
+}
+
 void DrawEngineGLES::InitDeviceObjects() {
 	if (bufferNameCache_.empty()) {
 		bufferNameCache_.resize(VERTEXCACHE_NAME_CACHE_SIZE);
diff --git a/GPU/GLES/DrawEngineGLES.h b/GPU/GLES/DrawEngineGLES.h
index d3e695a158..037758d670 100644
--- a/GPU/GLES/DrawEngineGLES.h
+++ b/GPU/GLES/DrawEngineGLES.h
@@ -119,8 +119,9 @@ public:
 		fragmentTestCache_ = testCache;
 	}
 	void RestoreVAO();
-	void InitDeviceObjects();
-	void DestroyDeviceObjects();
+
+	void DeviceLost();
+	void DeviceRestore();
 
 	void ClearTrackedVertexArrays() override;
 	void DecimateTrackedVertexArrays();
@@ -151,6 +152,9 @@ public:
 	void DecimateBuffers();
 
 private:
+	void InitDeviceObjects();
+	void DestroyDeviceObjects();
+
 	void DoFlush();
 	void ApplyDrawState(int prim);
 	void ApplyDrawStateLate();
diff --git a/GPU/GLES/GPU_GLES.cpp b/GPU/GLES/GPU_GLES.cpp
index 9624c41253..8ba73cbd87 100644
--- a/GPU/GLES/GPU_GLES.cpp
+++ b/GPU/GLES/GPU_GLES.cpp
@@ -391,7 +391,7 @@ void GPU_GLES::DeviceLost() {
 	textureCacheGL_->Clear(false);
 	fragmentTestCache_.Clear(false);
 	depalShaderCache_.Clear();
-	drawEngine_.ClearTrackedVertexArrays();
+	drawEngine_.DeviceLost();
 	framebufferManagerGL_->DeviceLost();
 }
 
@@ -404,6 +404,7 @@ void GPU_GLES::DeviceRestore() {
 
 	textureCacheGL_->DeviceRestore(draw_);
 	framebufferManagerGL_->DeviceRestore(draw_);
+	drawEngine_.DeviceRestore();
 }
 
 void GPU_GLES::Reinitialize() {