diff options
| -rw-r--r-- | src/mesa/drivers/dri/r300/r300_ioctl.c | 2 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/r300/r300_reg.h | 5 |
2 files changed, 6 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_ioctl.c b/src/mesa/drivers/dri/r300/r300_ioctl.c index 9d828286a6..09968bf239 100644 --- a/src/mesa/drivers/dri/r300/r300_ioctl.c +++ b/src/mesa/drivers/dri/r300/r300_ioctl.c @@ -289,7 +289,7 @@ static void r300EmitClearState(GLcontext * ctx) R300_STATECHANGE(r300, rr); reg_start(R300_RS_ROUTE_0, 0); - e32(0x00004000); + e32(R300_RS_ROUTE_0_COLOR); R300_STATECHANGE(r300, fp); reg_start(R300_PFS_CNTL_0, 2); diff --git a/src/mesa/drivers/dri/r300/r300_reg.h b/src/mesa/drivers/dri/r300/r300_reg.h index 8ff362b9d2..0a31f0b978 100644 --- a/src/mesa/drivers/dri/r300/r300_reg.h +++ b/src/mesa/drivers/dri/r300/r300_reg.h @@ -673,6 +673,11 @@ USE OR OTHER DEALINGS IN THE SOFTWARE. /* Special handling for color: When the fragment program uses color, * the ROUTE_0_COLOR bit is set and ROUTE_0_COLOR_DEST contains the * color register index. + * + * Apperently you may set the R300_RS_ROUTE_0_COLOR bit, but not provide any + * R300_RS_ROUTE_0_COLOR_DEST value; this setup is used for clearing the state. + * See r300_ioctl.c:r300EmitClearState. I'm not sure if this setup is strictly + * correct or not. - Oliver. */ # define R300_RS_ROUTE_0_COLOR (1 << 14) # define R300_RS_ROUTE_0_COLOR_DEST_SHIFT 17 |