commit 39d221ef142d24441e5d741d0902624020deebb8
author Brian <brian.paul@tungstengraphics.com> Fri Jun 08 13:10:01 2007 -0600
committer Brian <brian.paul@tungstengraphics.com> Fri Jun 08 13:10:01 2007 -0600
tree 6d3ae501a20a4fbb36d6bcb4fb2e551ab94a2738
parent 5e9cff0b97b1301c2b13dbfe2570ddb4551f814f

fix glReadPixels parameters to handle odd-width windows correctly

progs/tests/drawbuffers.c

diff --git a/progs/tests/drawbuffers.c b/progs/tests/drawbuffers.c
index d2e826f..5e89569 100644
--- a/progs/tests/drawbuffers.c
+++ b/progs/tests/drawbuffers.c
@@ -74,8 +74,9 @@
                 buffer);
    /* top half = colorbuffer 1 */
    glReadBuffer(GL_COLOR_ATTACHMENT1_EXT);
-   glReadPixels(0, Height/2, Width, Height / 2, GL_RGBA, GL_UNSIGNED_BYTE,
-                buffer + Width * Height / 2 * 4);
+   glReadPixels(0, Height/2, Width, Height - Height / 2,
+                GL_RGBA, GL_UNSIGNED_BYTE,
+                buffer + Width * (Height / 2) * 4);
 
    /* draw to window */
    glUseProgram_func(0);