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r300g: if no DS buffer is set, disable reading from and writing to it 

It fixes another "Bad CS" issue.
This commit is contained in:
Marek Olšák 2009-12-24 14:23:57 +01:00 committed by Corbin Simpson
parent 26f67a272b
commit 1a4f242be6
2 changed files with 10 additions and 2 deletions
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11
src/gallium/drivers/r300/r300_emit.c
View File

@ -121,8 +121,15 @@ void r300_emit_dsa_state(struct r300_context* r300,
}*/
OUT_CS_REG_SEQ(R300_ZB_CNTL, 3);
OUT_CS(dsa->z_buffer_control);
OUT_CS(dsa->z_stencil_control);
if (r300->framebuffer_state.zsbuf) {
OUT_CS(dsa->z_buffer_control);
OUT_CS(dsa->z_stencil_control);
} else {
OUT_CS(0);
OUT_CS(0);
}
OUT_CS(dsa->stencil_ref_mask);
OUT_CS_REG(R300_ZB_ZTOP, r300->ztop_state.z_buffer_top);

1
src/gallium/drivers/r300/r300_state.c
View File

@ -522,6 +522,7 @@ static void
}
r300->dirty_state |= R300_NEW_FRAMEBUFFERS;
r300->dirty_state |= R300_NEW_BLEND;
r300->dirty_state |= R300_NEW_DSA;
}
/* Create fragment shader state. */