From 6490c7d4aadac7d240d62e2d5c02d8973d69b71f Mon Sep 17 00:00:00 2001 From: Brian Date: Tue, 31 Jul 2007 11:15:30 -0600 Subject: fix stencil addressing bug --- src/mesa/drivers/dri/i915tex/intel_surface.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) (limited to 'src/mesa/drivers/dri/i915tex') diff --git a/src/mesa/drivers/dri/i915tex/intel_surface.c b/src/mesa/drivers/dri/i915tex/intel_surface.c index 6b34d23ac9..3e86835de2 100644 --- a/src/mesa/drivers/dri/i915tex/intel_surface.c +++ b/src/mesa/drivers/dri/i915tex/intel_surface.c @@ -95,8 +95,9 @@ read_quad_z24(struct softpipe_surface *sps, /* extract lower three bytes */ zzzz[0] = src[0] & mask; zzzz[1] = src[1] & mask; - zzzz[2] = src[-sps->surface.stride] & mask; - zzzz[3] = src[-sps->surface.stride + 1] & mask; + src -= sps->surface.stride; + zzzz[2] = src[0] & mask; + zzzz[3] = src[1] & mask; } static void @@ -133,8 +134,9 @@ read_quad_stencil(struct softpipe_surface *sps, /* extract high byte */ ssss[0] = src[0] >> 24; ssss[1] = src[1] >> 24; - ssss[2] = src[-sps->surface.width] >> 24; - ssss[3] = src[-sps->surface.width + 1] >> 24; + src -= sps->surface.stride; + ssss[2] = src[0] >> 24; + ssss[3] = src[1] >> 24; } static void -- cgit v1.2.3