Port code from r200 that implements color blending. Seems to work.

[mesa.git] / src / mesa / drivers / dri / r300 / r300_ioctl.c

diff --git a/src/mesa/drivers/dri/r300/r300_ioctl.c b/src/mesa/drivers/dri/r300/r300_ioctl.c
index 0b876d576e9dea548f31602cd4e7beaae3d86cc0..b4b1aebc4d80693ce9db8ecd3ca3000d042f56f9 100644 (file)
--- a/src/mesa/drivers/dri/r300/r300_ioctl.c
+++ b/src/mesa/drivers/dri/r300/r300_ioctl.c
@@ -109,6 +109,13 @@ static void r300ClearBuffer(r300ContextPtr r300, int flags, int buffer)
        r300->hw.vpt.cmd[R300_VPT_ZSCALE] = r300PackFloat32(1.0);
        r300->hw.vpt.cmd[R300_VPT_ZOFFSET] = r300PackFloat32(0.0);
 
+       R300_STATECHANGE(r300, at);
+       r300->hw.at.cmd[R300_AT_ALPHA_TEST] = 0;
+       
+       R300_STATECHANGE(r300, bld);
+       r300->hw.bld.cmd[R300_BLD_CBLEND] = 0;
+       r300->hw.bld.cmd[R300_BLD_ABLEND] = 0;
+       
        R300_STATECHANGE(r300, cb);
        r300->hw.cb.cmd[R300_CB_OFFSET] = cboffset;
        r300->hw.cb.cmd[R300_CB_PITCH] = cbpitch | R300_COLOR_UNKNOWN_22_23;