From 3b26206dbdd36e53152f97726da372da2e1a9a84 Mon Sep 17 00:00:00 2001
From: Fernando Sahmkow <fsahmkow27@gmail.com>
Date: Tue, 7 May 2019 10:55:44 -0400
Subject: Add OGLTextureView

---
 .../renderer_opengl/gl_resource_manager.cpp        | 18 ++++++++++++++++
 .../renderer_opengl/gl_resource_manager.h          | 25 ++++++++++++++++++++++
 2 files changed, 43 insertions(+)

(limited to 'src/video_core')

diff --git a/src/video_core/renderer_opengl/gl_resource_manager.cpp b/src/video_core/renderer_opengl/gl_resource_manager.cpp
index bfe666a73..9f81c15cb 100644
--- a/src/video_core/renderer_opengl/gl_resource_manager.cpp
+++ b/src/video_core/renderer_opengl/gl_resource_manager.cpp
@@ -33,6 +33,24 @@ void OGLTexture::Release() {
     handle = 0;
 }
 
+void OGLTextureView::Create() {
+    if (handle != 0)
+        return;
+
+    MICROPROFILE_SCOPE(OpenGL_ResourceCreation);
+    glGenTextures(1, &handle);
+}
+
+void OGLTextureView::Release() {
+    if (handle == 0)
+        return;
+
+    MICROPROFILE_SCOPE(OpenGL_ResourceDeletion);
+    glDeleteTextures(1, &handle);
+    OpenGLState::GetCurState().UnbindTexture(handle).Apply();
+    handle = 0;
+}
+
 void OGLSampler::Create() {
     if (handle != 0)
         return;
diff --git a/src/video_core/renderer_opengl/gl_resource_manager.h b/src/video_core/renderer_opengl/gl_resource_manager.h
index fbb93ee49..310ee2bf3 100644
--- a/src/video_core/renderer_opengl/gl_resource_manager.h
+++ b/src/video_core/renderer_opengl/gl_resource_manager.h
@@ -36,6 +36,31 @@ public:
     GLuint handle = 0;
 };
 
+class OGLTextureView : private NonCopyable {
+public:
+    OGLTextureView() = default;
+
+    OGLTextureView(OGLTextureView&& o) noexcept : handle(std::exchange(o.handle, 0)) {}
+
+    ~OGLTextureView() {
+        Release();
+    }
+
+    OGLTextureView& operator=(OGLTextureView&& o) noexcept {
+        Release();
+        handle = std::exchange(o.handle, 0);
+        return *this;
+    }
+
+    /// Creates a new internal OpenGL resource and stores the handle
+    void Create();
+
+    /// Deletes the internal OpenGL resource
+    void Release();
+
+    GLuint handle = 0;
+};
+
 class OGLSampler : private NonCopyable {
 public:
     OGLSampler() = default;
-- 
cgit v1.2.3