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-rw-r--r--src/mesa/state_tracker/st_atom_viewport.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/mesa/state_tracker/st_atom_viewport.c b/src/mesa/state_tracker/st_atom_viewport.c
index 27ec2eb033..b82bbfe410 100644
--- a/src/mesa/state_tracker/st_atom_viewport.c
+++ b/src/mesa/state_tracker/st_atom_viewport.c
@@ -62,9 +62,9 @@ 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 / 2.0f;
- GLfloat half_height = (GLfloat)ctx->Viewport.Height / 2.0f;
- GLfloat half_depth = (GLfloat)(ctx->Viewport.Far - ctx->Viewport.Near) / 2.0f;
+ 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;