From 1a6860f35c2a6c9c89dc91dfff30694534d7be32 Mon Sep 17 00:00:00 2001
From: Vitor K <vitor-kiguchi@hotmail.com>
Date: Thu, 17 Aug 2023 17:16:51 -0300
Subject: [PATCH] opengl: disable ClearTexture on Intel drivers (#6879)

---
 src/video_core/renderer_opengl/gl_driver.cpp          | 4 ++++
 src/video_core/renderer_opengl/gl_driver.h            | 2 ++
 src/video_core/renderer_opengl/gl_texture_runtime.cpp | 2 +-
 3 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/video_core/renderer_opengl/gl_driver.cpp b/src/video_core/renderer_opengl/gl_driver.cpp
index c0b8c2fe4..d9778393a 100644
--- a/src/video_core/renderer_opengl/gl_driver.cpp
+++ b/src/video_core/renderer_opengl/gl_driver.cpp
@@ -188,6 +188,10 @@ void Driver::FindBugs() {
     if (vendor == Vendor::AMD || (vendor == Vendor::Intel && !is_linux)) {
         bugs |= DriverBug::BrokenTextureView;
     }
+
+    if (vendor == Vendor::Intel && !is_linux) {
+        bugs |= DriverBug::BrokenClearTexture;
+    }
 }
 
 } // namespace OpenGL
diff --git a/src/video_core/renderer_opengl/gl_driver.h b/src/video_core/renderer_opengl/gl_driver.h
index 40044b181..1e1b5e246 100644
--- a/src/video_core/renderer_opengl/gl_driver.h
+++ b/src/video_core/renderer_opengl/gl_driver.h
@@ -38,6 +38,8 @@ enum class DriverBug {
     VertexArrayOutOfBound = 1 << 1,
     // On AMD and Intel drivers on Windows glTextureView produces incorrect results
     BrokenTextureView = 1 << 2,
+    // On Haswell and Broadwell Intel drivers glClearTexSubImage produces a black screen
+    BrokenClearTexture = 1 << 3,
 };
 
 /**
diff --git a/src/video_core/renderer_opengl/gl_texture_runtime.cpp b/src/video_core/renderer_opengl/gl_texture_runtime.cpp
index 3fdb625f1..a45ecc570 100644
--- a/src/video_core/renderer_opengl/gl_texture_runtime.cpp
+++ b/src/video_core/renderer_opengl/gl_texture_runtime.cpp
@@ -189,7 +189,7 @@ bool TextureRuntime::Reinterpret(Surface& source, Surface& dest,
 
 bool TextureRuntime::ClearTextureWithoutFbo(Surface& surface,
                                             const VideoCore::TextureClear& clear) {
-    if (!driver.HasArbClearTexture()) {
+    if (!driver.HasArbClearTexture() || driver.HasBug(DriverBug::BrokenClearTexture)) {
         return false;
     }
     GLenum format{};