Mesa (radeon-rewrite): r300: emit cliprect when in dri2 mode

[Jerome Glisse]

Module: Mesa
Branch: radeon-rewrite
Commit: 5dec94696e67ca5a1d008530cbfea90f03aeff16
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=5dec94696e67ca5a1d008530cbfea90f03aeff16

Author: Jerome Glisse <glisse at freedesktop.org>
Date:   Fri Apr 24 15:03:23 2009 +0200

r300: emit cliprect when in dri2 mode

---

 src/mesa/drivers/dri/r300/r300_cmdbuf.c |   23 +++++++++++++++++++++++
 1 files changed, 23 insertions(+), 0 deletions(-)

diff --git a/src/mesa/drivers/dri/r300/r300_cmdbuf.c b/src/mesa/drivers/dri/r300/r300_cmdbuf.c
index c575c9a..850ba37 100644
--- a/src/mesa/drivers/dri/r300/r300_cmdbuf.c
+++ b/src/mesa/drivers/dri/r300/r300_cmdbuf.c
@@ -215,6 +215,7 @@ static void emit_cb_offset(GLcontext *ctx, struct radeon_state_atom * atom)
 	uint32_t cbpitch;
 	uint32_t offset = r300->radeon.state.color.draw_offset;
 	uint32_t dw = 6;
+    int i;
 
 	rrb = radeon_get_colorbuffer(&r300->radeon);
 	if (!rrb || !rrb->bo) {
@@ -250,6 +251,17 @@ static void emit_cb_offset(GLcontext *ctx, struct radeon_state_atom * atom)
             OUT_BATCH((rrb->width << R300_SCISSORS_X_SHIFT) |
                     (rrb->height << 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_REGSEQ(R300_SC_CLIP_RULE, 1);
+            OUT_BATCH(0xAAAA);
+            OUT_BATCH_REGSEQ(R300_SC_SCREENDOOR, 1);
+            OUT_BATCH(0xffffff);
+            END_BATCH();
         } else {
             BEGIN_BATCH_NO_AUTOSTATE(3);
             OUT_BATCH_REGSEQ(R300_SC_SCISSORS_TL, 2);
@@ -258,6 +270,17 @@ static void emit_cb_offset(GLcontext *ctx, struct radeon_state_atom * atom)
             OUT_BATCH(((rrb->width + R300_SCISSORS_OFFSET) << R300_SCISSORS_X_SHIFT) |
                     ((rrb->height + R300_SCISSORS_OFFSET) << 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_REGSEQ(R300_SC_CLIP_RULE, 1);
+            OUT_BATCH(0xAAAA);
+            OUT_BATCH_REGSEQ(R300_SC_SCREENDOOR, 1);
+            OUT_BATCH(0xffffff);
+            END_BATCH();
         }
     }
 }