From 4e641bf3e938361a0c46304f29d040e9f5bc169e Mon Sep 17 00:00:00 2001 From: Oliver McFadden Date: Sun, 13 May 2007 12:56:59 +0000 Subject: [PATCH] r300: Use the defined values when writing to R300_RS_ROUTE_0. --- src/mesa/drivers/dri/r300/r300_ioctl.c | 2 +- src/mesa/drivers/dri/r300/r300_reg.h | 5 +++++ 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/src/mesa/drivers/dri/r300/r300_ioctl.c b/src/mesa/drivers/dri/r300/r300_ioctl.c index 9d828286a6d..09968bf239b 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 8ff362b9d21..0a31f0b9785 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 -- 2.30.2