diff --git a/src/gallium/drivers/r300/r300_emit.c b/src/gallium/drivers/r300/r300_emit.c index 3897e990b1c..e4afe786d65 100644 --- a/src/gallium/drivers/r300/r300_emit.c +++ b/src/gallium/drivers/r300/r300_emit.c @@ -1030,20 +1030,18 @@ void r300_emit_vs_state(struct r300_context* r300, unsigned size, void* state) R300_PVS_VF_MAX_VTX_NUM(12) | (r300screen->caps.is_r500 ? R500_TCL_STATE_OPTIMIZATION : 0)); - /* Emit flow control instructions. */ - if (code->num_fc_ops) { - - OUT_CS_REG(R300_VAP_PVS_FLOW_CNTL_OPC, code->fc_ops); - if (r300screen->caps.is_r500) { - OUT_CS_REG_SEQ(R500_VAP_PVS_FLOW_CNTL_ADDRS_LW_0, code->num_fc_ops * 2); - OUT_CS_TABLE(code->fc_op_addrs.r500, code->num_fc_ops * 2); - } else { - OUT_CS_REG_SEQ(R300_VAP_PVS_FLOW_CNTL_ADDRS_0, code->num_fc_ops); - OUT_CS_TABLE(code->fc_op_addrs.r300, code->num_fc_ops); - } - OUT_CS_REG_SEQ(R300_VAP_PVS_FLOW_CNTL_LOOP_INDEX_0, code->num_fc_ops); - OUT_CS_TABLE(code->fc_loop_index, code->num_fc_ops); + /* Emit flow control instructions. Even if there are no fc instructions, + * we still need to write the registers to make sure they are cleared. */ + OUT_CS_REG(R300_VAP_PVS_FLOW_CNTL_OPC, code->fc_ops); + if (r300screen->caps.is_r500) { + OUT_CS_REG_SEQ(R500_VAP_PVS_FLOW_CNTL_ADDRS_LW_0, R300_VS_MAX_FC_OPS * 2); + OUT_CS_TABLE(code->fc_op_addrs.r500, R300_VS_MAX_FC_OPS * 2); + } else { + OUT_CS_REG_SEQ(R300_VAP_PVS_FLOW_CNTL_ADDRS_0, R300_VS_MAX_FC_OPS); + OUT_CS_TABLE(code->fc_op_addrs.r300, R300_VS_MAX_FC_OPS); } + OUT_CS_REG_SEQ(R300_VAP_PVS_FLOW_CNTL_LOOP_INDEX_0, R300_VS_MAX_FC_OPS); + OUT_CS_TABLE(code->fc_loop_index, R300_VS_MAX_FC_OPS); END_CS; } diff --git a/src/gallium/drivers/r300/r300_state.c b/src/gallium/drivers/r300/r300_state.c index 4101523c542..10625b45e3e 100644 --- a/src/gallium/drivers/r300/r300_state.c +++ b/src/gallium/drivers/r300/r300_state.c @@ -1796,9 +1796,8 @@ static void r300_bind_vs_state(struct pipe_context* pipe, void* shader) if (r300->screen->caps.has_tcl) { unsigned fc_op_dwords = r300->screen->caps.is_r500 ? 3 : 2; r300_mark_atom_dirty(r300, &r300->vs_state); - r300->vs_state.size = - vs->code.length + 9 + - (vs->code.num_fc_ops ? vs->code.num_fc_ops * fc_op_dwords + 4 : 0); + r300->vs_state.size = vs->code.length + 9 + + (R300_VS_MAX_FC_OPS * fc_op_dwords + 4); r300_mark_atom_dirty(r300, &r300->vs_constants); r300->vs_constants.size =