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Diffstat (limited to 'src/mesa/drivers/dri/r300/r300_cmdbuf.c')
-rw-r--r--src/mesa/drivers/dri/r300/r300_cmdbuf.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_cmdbuf.c b/src/mesa/drivers/dri/r300/r300_cmdbuf.c
index 068a9f978b..231576fed8 100644
--- a/src/mesa/drivers/dri/r300/r300_cmdbuf.c
+++ b/src/mesa/drivers/dri/r300/r300_cmdbuf.c
@@ -263,6 +263,33 @@ static void emit_zb_offset(GLcontext *ctx, struct radeon_state_atom * atom)
END_BATCH();
}
+static void emit_zstencil_format(GLcontext *ctx, struct radeon_state_atom * atom)
+{
+ r300ContextPtr r300 = R300_CONTEXT(ctx);
+ BATCH_LOCALS(&r300->radeon);
+ struct radeon_renderbuffer *rrb;
+ uint32_t zbpitch;
+ uint32_t format;
+
+ rrb = radeon_get_depthbuffer(&r300->radeon);
+ if (!rrb)
+ format = 0;
+ else {
+ if (rrb->cpp == 2)
+ format = R300_DEPTHFORMAT_16BIT_INT_Z;
+ else if (rrb->cpp == 4)
+ format = R300_DEPTHFORMAT_24BIT_INT_Z_8BIT_STENCIL;
+ }
+
+ OUT_BATCH(atom->cmd[0]);
+ atom->cmd[1] &= ~(3 << 0);
+ atom->cmd[1] |= format;
+ OUT_BATCH(atom->cmd[1]);
+ OUT_BATCH(atom->cmd[2]);
+ OUT_BATCH(atom->cmd[3]);
+ OUT_BATCH(atom->cmd[4]);
+}
+
static int check_always(GLcontext *ctx, struct radeon_state_atom *atom)
{
return atom->cmd_size;
@@ -521,9 +548,12 @@ void r300InitCmdBuf(r300ContextPtr r300)
ALLOC_STATE(zs, always, R300_ZS_CMDSIZE, 0);
r300->hw.zs.cmd[R300_ZS_CMD_0] =
cmdpacket0(r300->radeon.radeonScreen, R300_ZB_CNTL, 3);
+
ALLOC_STATE(zstencil_format, always, 5, 0);
r300->hw.zstencil_format.cmd[0] =
cmdpacket0(r300->radeon.radeonScreen, R300_ZB_FORMAT, 4);
+ r300->hw.zstencil_format.emit = emit_zstencil_format;
+
ALLOC_STATE(zb, always, R300_ZB_CMDSIZE, 0);
r300->hw.zb.emit = emit_zb_offset;
ALLOC_STATE(zb_depthclearvalue, always, 2, 0);