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fix stencil addressing bug

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This commit is contained in:
Brian 2007-07-31 11:15:30 -06:00
parent da2b82059f
commit 6490c7d4aa
1 changed files with 6 additions and 4 deletions
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10
src/mesa/drivers/dri/i915tex/intel_surface.c
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@ -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