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Add defines for the values written to R300_RB3D_ZCACHE_CTLSTAT.

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Note that just like the values written to R300_RB3D_DSTCACHE_CTLSTAT these
values are really unknown; ideally more reverse engineering should be done to
determine what these values mean and when they should be set.
This commit is contained in:
Oliver McFadden 2007-03-13 06:24:56 +00:00
parent 19fbe9732c
commit eb4db4c4ec
3 changed files with 5 additions and 3 deletions
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2
src/mesa/drivers/dri/r300/r300_ioctl.c
View file

@ -166,7 +166,7 @@ static void r300ClearBuffer(r300ContextPtr r300, int flags, int buffer)
reg_start(R300_RB3D_ZCACHE_CTLSTAT,0);
e32(0x00000003);
e32(R300_RB3D_ZCACHE_CTLSTAT_03);
cp_wait(rmesa, R300_WAIT_3D | R300_WAIT_3D_CLEAN);
}

2
src/mesa/drivers/dri/r300/r300_reg.h
View file

@ -1397,6 +1397,8 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
/* gap */
#define R300_RB3D_ZCACHE_CTLSTAT 0x4F18 /* GUESS */
# define R300_RB3D_ZCACHE_CTLSTAT_01 0x1
# define R300_RB3D_ZCACHE_CTLSTAT_03 0x3
/* gap */

4
src/mesa/drivers/dri/r300/r300_render.c
View file

@ -347,7 +347,7 @@ GLboolean r300_run_vb_render(GLcontext *ctx,
e32(R300_RB3D_DSTCACHE_0A);
reg_start(R300_RB3D_ZCACHE_CTLSTAT,0);
e32(0x00000003);
e32(R300_RB3D_ZCACHE_CTLSTAT_03);
r300EmitState(rmesa);
@ -363,7 +363,7 @@ GLboolean r300_run_vb_render(GLcontext *ctx,
e32(R300_RB3D_DSTCACHE_0A /*R300_RB3D_DSTCACHE_02*/);
reg_start(R300_RB3D_ZCACHE_CTLSTAT,0);
e32(0x00000003/*0x1*/);
e32(R300_RB3D_ZCACHE_CTLSTAT_03 /*R300_RB3D_ZCACHE_CTLSTAT_01*/);
#ifdef USER_BUFFERS
r300UseArrays(ctx);