chore: Add spec file for KWin 5.27.10

spec_files/kwin/fix-nvidia-screencast.patch

@@ -0,0 +1,68 @@
+From 17f81c4faa4c93dc9ac2d9abf1b759b38df2ed9d Mon Sep 17 00:00:00 2001
+From: Alessandro Astone <[email protected]>
+Date: Wed, 15 Nov 2023 23:22:56 +0100
+Subject: [PATCH 1/2] screencast: Fix GLES path
+
+glReadPixels reads from the bound framebuffer, so create an offscreen
+framebuffer and attach the texture to it
+
+Co-authored-by: Jan Grulich <[email protected]>
+---
+ src/plugins/screencast/screencastutils.h | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/src/plugins/screencast/screencastutils.h b/src/plugins/screencast/screencastutils.h
+index f402c21fdf..1a57362dea 100644
+--- a/src/plugins/screencast/screencastutils.h
++++ b/src/plugins/screencast/screencastutils.h
+@@ -8,6 +8,7 @@
+
+ #include "kwinglplatform.h"
+ #include "kwingltexture.h"
++#include "kwinglutils.h"
+ #include <spa/buffer/buffer.h>
+ #include <spa/param/video/raw.h>
+
+@@ -60,7 +61,10 @@ static void grabTexture(GLTexture *texture, spa_data *spa, spa_video_format form
+
+     texture->bind();
+     if (GLPlatform::instance()->isGLES()) {
++        GLFramebuffer fbo(texture);
++        GLFramebuffer::pushFramebuffer(&fbo);
+         glReadPixels(0, 0, size.width(), size.height(), closestGLType(format), GL_UNSIGNED_BYTE, spa->data);
++        GLFramebuffer::popFramebuffer();
+     } else if (GLPlatform::instance()->glVersion() >= kVersionNumber(4, 5)) {
+         glGetTextureImage(texture->texture(), 0, closestGLType(format), GL_UNSIGNED_BYTE, spa->chunk->size, spa->data);
+     } else {
+-- 
+2.41.0
+
+
+From 79083bdf721dd56ace7412f89d7b80e7b9a2ba52 Mon Sep 17 00:00:00 2001
+From: Alessandro Astone <[email protected]>
+Date: Wed, 15 Nov 2023 23:23:14 +0100
+Subject: [PATCH 2/2] screencast: Make nvidia use the GLES path
+
+glGetTexImage returns a black image
+
+Fixes: BUG:476602
+---
+ src/plugins/screencast/screencastutils.h | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/plugins/screencast/screencastutils.h b/src/plugins/screencast/screencastutils.h
+index 1a57362dea..31b8a1c95c 100644
+--- a/src/plugins/screencast/screencastutils.h
++++ b/src/plugins/screencast/screencastutils.h
+@@ -60,7 +60,7 @@ static void grabTexture(GLTexture *texture, spa_data *spa, spa_video_format form
+     }
+
+     texture->bind();
+-    if (GLPlatform::instance()->isGLES()) {
++    if (GLPlatform::instance()->isGLES() || GLPlatform::instance()->driver() == Driver_NVidia) {
+         GLFramebuffer fbo(texture);
+         GLFramebuffer::pushFramebuffer(&fbo);
+         glReadPixels(0, 0, size.width(), size.height(), closestGLType(format), GL_UNSIGNED_BYTE, spa->data);
+-- 
+2.41.0
+