From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Tue, 25 Nov 2008 01:37:18 +0000 (-0700)
Subject: gallium: fix inverted raster pos when drawing into FBO
X-Git-Tag: android-x86-1.6~16^2~1465^2~390^2~174
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=f8870af44b32d4c69ef11013897143d46966c8e4;p=android-x86%2Fexternal-mesa.git

gallium: fix inverted raster pos when drawing into FBO
---

diff --git a/src/mesa/state_tracker/st_cb_rasterpos.c b/src/mesa/state_tracker/st_cb_rasterpos.c
index 3b30c2a61b5..3eaccb74e17 100644
--- a/src/mesa/state_tracker/st_cb_rasterpos.c
+++ b/src/mesa/state_tracker/st_cb_rasterpos.c
@@ -146,7 +146,10 @@ rastpos_point(struct draw_stage *stage, struct prim_header *prim)
    /* update raster pos */
    pos = prim->v[0]->data[0];
    ctx->Current.RasterPos[0] = pos[0];
-   ctx->Current.RasterPos[1] = height - pos[1]; /* invert Y */
+   if (st_fb_orientation(ctx->DrawBuffer) == Y_0_TOP)
+      ctx->Current.RasterPos[1] = height - pos[1]; /* invert Y */
+   else
+      ctx->Current.RasterPos[1] = pos[1];
    ctx->Current.RasterPos[2] = pos[2];
    ctx->Current.RasterPos[3] = pos[3];