Mesa (gallium-0.1): gallium: fix inverted raster pos when drawing into FBO
Brian Paul
brianp at kemper.freedesktop.org
Tue Nov 25 01:38:21 UTC 2008
Module: Mesa
Branch: gallium-0.1
Commit: f8870af44b32d4c69ef11013897143d46966c8e4
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=f8870af44b32d4c69ef11013897143d46966c8e4
Author: Brian Paul <brian.paul at tungstengraphics.com>
Date: Mon Nov 24 18:37:18 2008 -0700
gallium: fix inverted raster pos when drawing into FBO
---
src/mesa/state_tracker/st_cb_rasterpos.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/src/mesa/state_tracker/st_cb_rasterpos.c b/src/mesa/state_tracker/st_cb_rasterpos.c
index 3b30c2a..3eaccb7 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];
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