Merge branch '7.8' into master

[mesa.git] / src / mesa / state_tracker / st_atom_viewport.c

diff --git a/src/mesa/state_tracker/st_atom_viewport.c b/src/mesa/state_tracker/st_atom_viewport.c
index b105909e96b18999577699596129c9ea7b2ef73b..0b6c34ca2cbec9ac7d919e2faf7a683677e3d779 100644 (file)
--- a/src/mesa/state_tracker/st_atom_viewport.c
+++ b/src/mesa/state_tracker/st_atom_viewport.c
@@ -26,8 +26,7 @@
  **************************************************************************/
 
 
-#include "context.h"
-#include "colormac.h"
+#include "main/context.h"
 #include "st_context.h"
 #include "st_atom.h"
 #include "pipe/p_context.h"
@@ -62,9 +61,9 @@ update_viewport( struct st_context *st )
       GLfloat x = (GLfloat)ctx->Viewport.X;
       GLfloat y = (GLfloat)ctx->Viewport.Y;
       GLfloat z = ctx->Viewport.Near;
-      GLfloat half_width = (GLfloat)ctx->Viewport.Width / 2.0;
-      GLfloat half_height = (GLfloat)ctx->Viewport.Height / 2.0;
-      GLfloat half_depth = (GLfloat)(ctx->Viewport.Far - ctx->Viewport.Near) / 2.0;
+      GLfloat half_width = (GLfloat)ctx->Viewport.Width * 0.5f;
+      GLfloat half_height = (GLfloat)ctx->Viewport.Height * 0.5f;
+      GLfloat half_depth = (GLfloat)(ctx->Viewport.Far - ctx->Viewport.Near) * 0.5f;
       
       st->state.viewport.scale[0] = half_width;
       st->state.viewport.scale[1] = half_height * yScale;