1 files changed, 31 insertions, 0 deletions

diff --git a/recipes-qt/qt5/qtwayland-git/0004-EGL-Specify-vec2d-precision-qualifier-in-fragment-sh.patch b/recipes-qt/qt5/qtwayland-git/0004-EGL-Specify-vec2d-precision-qualifier-in-fragment-sh.patch
new file mode 100644
index 00000000..47ea65fd
--- /dev/null
+++ b/recipes-qt/qt5/qtwayland-git/0004-EGL-Specify-vec2d-precision-qualifier-in-fragment-sh.patch
@@ -0,0 +1,31 @@
+From 5c70644070803b665f64c2d3212b55a4a3270765 Mon Sep 17 00:00:00 2001
+From: Daniel Stone <daniel@fooishbar.org>
+Date: Sun, 10 Mar 2013 11:29:38 -0700
+Subject: [PATCH 4/4] EGL: Specify vec2d precision qualifier in fragment shader
+
+GLSL does not specify a default precision qualifier here, so we have to
+explicitly define it.  Use highp, as it gets redefined to mediump by
+QGLShaderProgram when not available.
+
+Signed-off-by: Daniel Stone <daniel@fooishbar.org>
+Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
+---
+ src/plugins/platforms/qwayland-egl/qwaylandglcontext.cpp | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/plugins/platforms/qwayland-egl/qwaylandglcontext.cpp b/src/plugins/platforms/qwayland-egl/qwaylandglcontext.cpp
+index 4d8017d..a0ac6d9 100644
+--- a/src/plugins/platforms/qwayland-egl/qwaylandglcontext.cpp
++++ b/src/plugins/platforms/qwayland-egl/qwaylandglcontext.cpp
+@@ -124,7 +124,7 @@ void QWaylandGLContext::swapBuffers(QPlatformSurface *surface)
+                                                                             gl_Position = position;\n\
+                                                                             outTexCoords = texCoords.xy;\n\
+                                                                         }");
+-            m_blitProgram->addShaderFromSourceCode(QOpenGLShader::Fragment, "varying vec2 outTexCoords;\n\
++            m_blitProgram->addShaderFromSourceCode(QOpenGLShader::Fragment, "varying highp vec2 outTexCoords;\n\
+                                                                             uniform sampler2D texture;\n\
+                                                                             void main()\n\
+                                                                             {\n\
+-- 
+1.8.2.1
+