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-rw-r--r--src/mesa/drivers/dri/r300/r300_cmdbuf.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_cmdbuf.c b/src/mesa/drivers/dri/r300/r300_cmdbuf.c
index 850ba37022..4c6108cc63 100644
--- a/src/mesa/drivers/dri/r300/r300_cmdbuf.c
+++ b/src/mesa/drivers/dri/r300/r300_cmdbuf.c
@@ -248,14 +248,14 @@ static void emit_cb_offset(GLcontext *ctx, struct radeon_state_atom * atom)
BEGIN_BATCH_NO_AUTOSTATE(3);
OUT_BATCH_REGSEQ(R300_SC_SCISSORS_TL, 2);
OUT_BATCH(0);
- OUT_BATCH((rrb->width << R300_SCISSORS_X_SHIFT) |
- (rrb->height << R300_SCISSORS_Y_SHIFT));
+ OUT_BATCH(((rrb->width - 1) << R300_SCISSORS_X_SHIFT) |
+ ((rrb->height - 1) << R300_SCISSORS_Y_SHIFT));
END_BATCH();
BEGIN_BATCH_NO_AUTOSTATE(16);
for (i = 0; i < 4; i++) {
OUT_BATCH_REGSEQ(R300_SC_CLIPRECT_TL_0 + (i * 8), 2);
OUT_BATCH((0 << R300_CLIPRECT_X_SHIFT) | (0 << R300_CLIPRECT_Y_SHIFT));
- OUT_BATCH((rrb->width << R300_CLIPRECT_X_SHIFT) | (rrb->height << R300_CLIPRECT_Y_SHIFT));
+ OUT_BATCH(((rrb->width - 1) << R300_CLIPRECT_X_SHIFT) | ((rrb->height - 1) << R300_CLIPRECT_Y_SHIFT));
}
OUT_BATCH_REGSEQ(R300_SC_CLIP_RULE, 1);
OUT_BATCH(0xAAAA);
@@ -267,14 +267,15 @@ static void emit_cb_offset(GLcontext *ctx, struct radeon_state_atom * atom)
OUT_BATCH_REGSEQ(R300_SC_SCISSORS_TL, 2);
OUT_BATCH((R300_SCISSORS_OFFSET << R300_SCISSORS_X_SHIFT) |
(R300_SCISSORS_OFFSET << R300_SCISSORS_Y_SHIFT));
- OUT_BATCH(((rrb->width + R300_SCISSORS_OFFSET) << R300_SCISSORS_X_SHIFT) |
- ((rrb->height + R300_SCISSORS_OFFSET) << R300_SCISSORS_Y_SHIFT));
+ OUT_BATCH(((rrb->width + R300_SCISSORS_OFFSET - 1) << R300_SCISSORS_X_SHIFT) |
+ ((rrb->height + R300_SCISSORS_OFFSET - 1) << R300_SCISSORS_Y_SHIFT));
END_BATCH();
BEGIN_BATCH_NO_AUTOSTATE(16);
for (i = 0; i < 4; i++) {
OUT_BATCH_REGSEQ(R300_SC_CLIPRECT_TL_0 + (i * 8), 2);
- OUT_BATCH((1088 << R300_CLIPRECT_X_SHIFT) | (1088 << R300_CLIPRECT_Y_SHIFT));
- OUT_BATCH(((1088 + rrb->width) << R300_CLIPRECT_X_SHIFT) | ((1088 + rrb->height) << R300_CLIPRECT_Y_SHIFT));
+ OUT_BATCH((R300_SCISSORS_OFFSET << R300_CLIPRECT_X_SHIFT) | (R300_SCISSORS_OFFSET << R300_CLIPRECT_Y_SHIFT));
+ OUT_BATCH(((R300_SCISSORS_OFFSET + rrb->width - 1) << R300_CLIPRECT_X_SHIFT) |
+ ((R300_SCISSORS_OFFSET + rrb->height - 1) << R300_CLIPRECT_Y_SHIFT));
}
OUT_BATCH_REGSEQ(R300_SC_CLIP_RULE, 1);
OUT_BATCH(0xAAAA);