From 2deed84c84e513ee1c2a2fbbcd3946c1d772fcbb Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Fri, 16 Sep 2016 00:12:26 +0300
Subject: [PATCH] Remove glViewport calls from GLContext

They've been broken for a long time with mspgl, probably since
framebuffer objects were implemented.  The new GL::View class
takes care of viewport size syncing better.
---
 source/graphics/cgl/glcontext.cpp         | 1 -
 source/graphics/egl_android/glcontext.cpp | 6 ++----
 source/graphics/glx/glcontext.cpp         | 1 -
 source/graphics/wgl/glcontext.cpp         | 4 +---
 4 files changed, 3 insertions(+), 9 deletions(-)

diff --git a/source/graphics/cgl/glcontext.cpp b/source/graphics/cgl/glcontext.cpp
index 8283825..748b9b1 100644
--- a/source/graphics/cgl/glcontext.cpp
+++ b/source/graphics/cgl/glcontext.cpp
@@ -75,7 +75,6 @@ void GLContext::swap_buffers()
 void GLContext::window_resized(unsigned w, unsigned h)
 {
 	// XXX Call [context update] here?
-	glViewport(0, 0, w, h);
 }
 
 } // namespace Graphics
diff --git a/source/graphics/egl_android/glcontext.cpp b/source/graphics/egl_android/glcontext.cpp
index ecf9a63..0e98739 100644
--- a/source/graphics/egl_android/glcontext.cpp
+++ b/source/graphics/egl_android/glcontext.cpp
@@ -114,10 +114,8 @@ void GLContext::swap_buffers()
 	eglSwapBuffers(priv->display, priv->surface);
 }
 
-void GLContext::window_resized(unsigned w, unsigned h)
-{
-	glViewport(0, 0, w, h);
-}
+void GLContext::window_resized(unsigned, unsigned)
+{ }
 
 
 void GLContext::Private::attach(WindowHandle native_window)
diff --git a/source/graphics/glx/glcontext.cpp b/source/graphics/glx/glcontext.cpp
index 26275a4..e4662f3 100644
--- a/source/graphics/glx/glcontext.cpp
+++ b/source/graphics/glx/glcontext.cpp
@@ -92,7 +92,6 @@ void GLContext::swap_buffers()
 void GLContext::window_resized(unsigned w, unsigned h)
 {
 	XMoveResizeWindow(display.get_private().display, priv->subwnd, 0, 0, w, h);
-	glViewport(0, 0, w, h);
 }
 
 } // namespace Graphics
diff --git a/source/graphics/wgl/glcontext.cpp b/source/graphics/wgl/glcontext.cpp
index 05f9533..b6b2c5f 100644
--- a/source/graphics/wgl/glcontext.cpp
+++ b/source/graphics/wgl/glcontext.cpp
@@ -61,9 +61,7 @@ void GLContext::swap_buffers()
 }
 
 void GLContext::window_resized(unsigned w, unsigned h)
-{
-	glViewport(0, 0, w, h);
-}
+{ }
 
 } // namespace Graphics
 } // namespace Msp
-- 
2.45.2