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-rw-r--r--src/mesa/drivers/dri/r200/r200_cmdbuf.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r200/r200_cmdbuf.c b/src/mesa/drivers/dri/r200/r200_cmdbuf.c
index 8b2335d149..df9dd83344 100644
--- a/src/mesa/drivers/dri/r200/r200_cmdbuf.c
+++ b/src/mesa/drivers/dri/r200/r200_cmdbuf.c
@@ -105,6 +105,35 @@ void r200SetUpAtomList( r200ContextPtr rmesa )
insert_at_tail( &rmesa->radeon.hw.atomlist, &rmesa->hw.vpi[1] );
}
+void r200EmitScissor(r200ContextPtr rmesa)
+{
+ BATCH_LOCALS(&rmesa->radeon);
+ if (!rmesa->radeon.radeonScreen->kernel_mm) {
+ return;
+ }
+ if (rmesa->radeon.state.scissor.enabled) {
+ BEGIN_BATCH(8);
+ OUT_BATCH(CP_PACKET0(R200_RE_CNTL, 0));
+ OUT_BATCH(R200_SCISSOR_ENABLE | rmesa->hw.set.cmd[SET_RE_CNTL]);
+ OUT_BATCH(CP_PACKET0(R200_RE_AUX_SCISSOR_CNTL, 0));
+ OUT_BATCH(R200_SCISSOR_ENABLE_0);
+ OUT_BATCH(CP_PACKET0(R200_RE_SCISSOR_TL_0, 0));
+ OUT_BATCH((rmesa->radeon.state.scissor.rect.y1 << 16) |
+ rmesa->radeon.state.scissor.rect.x1);
+ OUT_BATCH(CP_PACKET0(R200_RE_SCISSOR_BR_0, 0));
+ OUT_BATCH(((rmesa->radeon.state.scissor.rect.y2 - 1) << 16) |
+ (rmesa->radeon.state.scissor.rect.x2 - 1));
+ END_BATCH();
+ } else {
+ BEGIN_BATCH(4);
+ OUT_BATCH(CP_PACKET0(R200_RE_CNTL, 0));
+ OUT_BATCH(rmesa->hw.set.cmd[SET_RE_CNTL] & ~R200_SCISSOR_ENABLE);
+ OUT_BATCH(CP_PACKET0(R200_RE_AUX_SCISSOR_CNTL, 0));
+ OUT_BATCH(0);
+ END_BATCH();
+ }
+}
+
/* Fire a section of the retained (indexed_verts) buffer as a regular
* primtive.
*/
@@ -121,6 +150,7 @@ void r200EmitVbufPrim( r200ContextPtr rmesa,
if (R200_DEBUG & (DEBUG_IOCTL|DEBUG_PRIMS))
fprintf(stderr, "%s cmd_used/4: %d prim %x nr %d\n", __FUNCTION__,
rmesa->store.cmd_used/4, primitive, vertex_nr);
+ r200EmitScissor(rmesa);
BEGIN_BATCH(3);
OUT_BATCH_PACKET3_CLIP(R200_CP_CMD_3D_DRAW_VBUF_2, 0);
@@ -134,6 +164,7 @@ static void r200FireEB(r200ContextPtr rmesa, int vertex_count, int type)
BATCH_LOCALS(&rmesa->radeon);
if (vertex_count > 0) {
+ r200EmitScissor(rmesa);
BEGIN_BATCH(8+2);
OUT_BATCH_PACKET3_CLIP(R200_CP_CMD_3D_DRAW_INDX_2, 0);
OUT_BATCH(R200_VF_PRIM_WALK_IND |