From: Mikko Rasa <tdb@tdb.fi>
Date: Sat, 12 Dec 2015 17:07:18 +0000 (+0200)
Subject: Invert the Y coordinate for monitors as well
X-Git-Url: http://git.tdb.fi/?a=commitdiff_plain;h=89598f3b919444aa399eb47736f04e2c062c856a;p=geometrycompositor.git

Invert the Y coordinate for monitors as well
---

diff --git a/source/main.c b/source/main.c
index 1aee407..5393784 100644
--- a/source/main.c
+++ b/source/main.c
@@ -489,7 +489,7 @@ void update_monitor_vertices(CompositedScreen *screen, CompositedMonitor *monito
 
 			v = vertex_data+(y*(t+1)+x)*4;
 			v[2] = (monitor->x+xf*monitor->width)/screen->width;
-			v[3] = (monitor->y+yf*monitor->height)/screen->height;
+			v[3] = ((float)screen->height-monitor->y-monitor->height+yf*monitor->height)/screen->height;
 
 			z = sqrt(0.25f-(xf-0.5f)*(xf-0.5f)*4.0f*cyl_w_sq)-0.5f+monitor->cylinder_depth;
 			if(monitor->keystone_vertical>0)
@@ -1066,7 +1066,7 @@ void refresh_screen(Compositor *compositor, CompositedScreen *screen)
 			continue;
 
 		glUniform4f(screen->geometry_loc,
-			(float)monitor->x/screen->width, (float)monitor->y/screen->height,
+			(float)monitor->x/screen->width, ((float)screen->height-monitor->y-monitor->height)/screen->height,
 			(float)monitor->width/screen->width, (float)monitor->height/screen->height);
 
 		glBindVertexArray(monitor->vertex_array);