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Diffstat (limited to 'src/gallium/drivers/r600/r600_state_common.c')
-rw-r--r--src/gallium/drivers/r600/r600_state_common.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/src/gallium/drivers/r600/r600_state_common.c b/src/gallium/drivers/r600/r600_state_common.c
index 6a666343b06..ca589fa7759 100644
--- a/src/gallium/drivers/r600/r600_state_common.c
+++ b/src/gallium/drivers/r600/r600_state_common.c
@@ -1377,11 +1377,13 @@ static void r600_update_clip_state(struct r600_context *rctx,
{
if (current->pa_cl_vs_out_cntl != rctx->clip_misc_state.pa_cl_vs_out_cntl ||
current->shader.clip_dist_write != rctx->clip_misc_state.clip_dist_write ||
- current->shader.vs_position_window_space != rctx->clip_misc_state.clip_disable) {
- rctx->clip_misc_state.pa_cl_vs_out_cntl = current->pa_cl_vs_out_cntl;
- rctx->clip_misc_state.clip_dist_write = current->shader.clip_dist_write;
- rctx->clip_misc_state.clip_disable = current->shader.vs_position_window_space;
- r600_mark_atom_dirty(rctx, &rctx->clip_misc_state.atom);
+ current->shader.vs_position_window_space != rctx->clip_misc_state.clip_disable ||
+ current->shader.vs_out_viewport != rctx->clip_misc_state.vs_out_viewport) {
+ rctx->clip_misc_state.pa_cl_vs_out_cntl = current->pa_cl_vs_out_cntl;
+ rctx->clip_misc_state.clip_dist_write = current->shader.clip_dist_write;
+ rctx->clip_misc_state.clip_disable = current->shader.vs_position_window_space;
+ rctx->clip_misc_state.vs_out_viewport = current->shader.vs_out_viewport;
+ r600_mark_atom_dirty(rctx, &rctx->clip_misc_state.atom);
}
}
@@ -1656,6 +1658,10 @@ void r600_emit_clip_misc_state(struct r600_context *rctx, struct r600_atom *atom
radeon_set_context_reg(cs, R_02881C_PA_CL_VS_OUT_CNTL,
state->pa_cl_vs_out_cntl |
(state->clip_plane_enable & state->clip_dist_write));
+ /* reuse needs to be set off if we write oViewport */
+ if (rctx->b.chip_class >= EVERGREEN)
+ radeon_set_context_reg(cs, R_028AB4_VGT_REUSE_OFF,
+ S_028AB4_REUSE_OFF(state->vs_out_viewport));
}
static void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *dinfo)