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-rw-r--r--src/mesa/drivers/dri/i915/i830_state.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i915/i830_state.c b/src/mesa/drivers/dri/i915/i830_state.c
index c6f1b038e32..ea6e0beaeab 100644
--- a/src/mesa/drivers/dri/i915/i830_state.c
+++ b/src/mesa/drivers/dri/i915/i830_state.c
@@ -476,7 +476,7 @@ static void
i830PolygonStipple(struct gl_context * ctx, const GLubyte * mask)
{
struct i830_context *i830 = i830_context(ctx);
- const GLubyte *m = mask;
+ const GLubyte *m;
GLubyte p[4];
int i, j, k;
int active = (ctx->Polygon.StippleFlag &&
@@ -488,6 +488,12 @@ i830PolygonStipple(struct gl_context * ctx, const GLubyte * mask)
i830->state.Stipple[I830_STPREG_ST1] &= ~ST1_ENABLE;
}
+ /* Use the already unpacked stipple data from the context rather than the
+ * uninterpreted mask passed in.
+ */
+ mask = (const GLubyte *)ctx->PolygonStipple;
+ m = mask;
+
p[0] = mask[12] & 0xf;
p[0] |= p[0] << 4;
p[1] = mask[8] & 0xf;