From e1b4fec71c1a22ea7415a115700802a93b52fcc7 Mon Sep 17 00:00:00 2001 From: Roland Scheidegger Date: Wed, 8 Dec 2004 03:07:34 +0000 Subject: fix depth/stencil readback if coordinates are larger than 1023 (https://bugs.freedesktop.org/show_bug.cgi?id=2010). Should now work up to 2047, which is the current limit for 3d rendering. --- src/mesa/drivers/dri/r200/r200_span.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'src/mesa/drivers/dri') diff --git a/src/mesa/drivers/dri/r200/r200_span.c b/src/mesa/drivers/dri/r200/r200_span.c index efb5e6ea7c..3747948984 100644 --- a/src/mesa/drivers/dri/r200/r200_span.c +++ b/src/mesa/drivers/dri/r200/r200_span.c @@ -161,7 +161,7 @@ static GLuint r200_mba_z32( r200ContextPtr rmesa, GLint x, GLint y ) { GLuint pitch = rmesa->r200Screen->frontPitch; - GLuint b = ((y & 0x3FF) >> 4) * ((pitch & 0xFFF) >> 5) + ((x & 0x3FF) >> 5); + GLuint b = ((y & 0x7FF) >> 4) * ((pitch & 0xFFF) >> 5) + ((x & 0x7FF) >> 5); GLuint a = (BIT(x,0) << 2) | (BIT(y,0) << 3) | @@ -180,7 +180,7 @@ static GLuint r200_mba_z32( r200ContextPtr rmesa, static GLuint r200_mba_z16( r200ContextPtr rmesa, GLint x, GLint y ) { GLuint pitch = rmesa->r200Screen->frontPitch; - GLuint b = ((y & 0x3FF) >> 4) * ((pitch & 0xFFF) >> 6) + ((x & 0x3FF) >> 6); + GLuint b = ((y & 0x7FF) >> 4) * ((pitch & 0xFFF) >> 6) + ((x & 0x7FF) >> 6); GLuint a = (BIT(x,0) << 1) | (BIT(y,0) << 2) | -- cgit v1.2.3