From: José Fonseca <jfonseca@vmware.com>
Date: Mon, 6 Apr 2009 19:36:54 +0000 (+0100)
Subject: mesa: Fix orientation adjustment for reading stencil pixels.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8332925c3caadd293d0c091ef84f7268c673013c;p=mesa.git

mesa: Fix orientation adjustment for reading stencil pixels.

Fixes conform spcorner.c & spclear.c failure.
---

diff --git a/src/mesa/state_tracker/st_cb_readpixels.c b/src/mesa/state_tracker/st_cb_readpixels.c
index ce7a8cda4e8..e151efcb88f 100644
--- a/src/mesa/state_tracker/st_cb_readpixels.c
+++ b/src/mesa/state_tracker/st_cb_readpixels.c
@@ -68,7 +68,7 @@ st_read_stencil_pixels(GLcontext *ctx, GLint x, GLint y,
    GLint j;
 
    if (st_fb_orientation(ctx->DrawBuffer) == Y_0_TOP) {
-      y = ctx->DrawBuffer->Height - y - 1;
+      y = ctx->DrawBuffer->Height - y - height;
    }
 
    /* Create a read transfer from the renderbuffer's texture */