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authorDave Airlie <airlied@redhat.com>2009-08-07 14:12:09 +1000
committerDave Airlie <airlied@redhat.com>2009-08-07 14:13:19 +1000
commiteaf87e84c3e29f8473cc04f681e965fbef38916b (patch)
treec6d1f6233967dd0d876cad1670de860455a3a8ff /src/mesa/drivers/dri/r200
parent3cb6f3bf21adc5ced428521746746fb85c6ae47c (diff)
r200: fix scissor emission for r200 under kms
Diffstat (limited to 'src/mesa/drivers/dri/r200')
-rw-r--r--src/mesa/drivers/dri/r200/r200_cmdbuf.c42
1 files changed, 24 insertions, 18 deletions
diff --git a/src/mesa/drivers/dri/r200/r200_cmdbuf.c b/src/mesa/drivers/dri/r200/r200_cmdbuf.c
index d49f4fabe7..5d0f367b38 100644
--- a/src/mesa/drivers/dri/r200/r200_cmdbuf.c
+++ b/src/mesa/drivers/dri/r200/r200_cmdbuf.c
@@ -107,31 +107,37 @@ void r200SetUpAtomList( r200ContextPtr rmesa )
void r200EmitScissor(r200ContextPtr rmesa)
{
+ unsigned x1, y1, x2, y2;
+ struct radeon_renderbuffer *rrb;
BATCH_LOCALS(&rmesa->radeon);
if (!rmesa->radeon.radeonScreen->kernel_mm) {
return;
}
+ rrb = radeon_get_colorbuffer(&rmesa->radeon);
+ if (!rrb || !rrb->bo)
+ 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();
+ x1 = rmesa->radeon.state.scissor.rect.x1;
+ y1 = rmesa->radeon.state.scissor.rect.y1;
+ x2 = rmesa->radeon.state.scissor.rect.x2 - 1;
+ y2 = rmesa->radeon.state.scissor.rect.y2 - 1;
} 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();
+ x1 = 0;
+ y1 = 0;
+ x2 = rrb->base.Width - 1;
+ y2 = rrb->base.Height - 1;
}
+ 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(0);
+ OUT_BATCH(CP_PACKET0(R200_RE_TOP_LEFT, 0));
+ OUT_BATCH((y1 << 16) | x1);
+ OUT_BATCH(CP_PACKET0(R200_RE_WIDTH_HEIGHT, 0));
+ OUT_BATCH((y2 << 16) | x2);
+ END_BATCH();
}
/* Fire a section of the retained (indexed_verts) buffer as a regular