+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();
+ }
+}
+