diff options
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_vec4_gs_visitor.cpp')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_vec4_gs_visitor.cpp | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_gs_visitor.cpp b/src/mesa/drivers/dri/i965/brw_vec4_gs_visitor.cpp index 2f948ee..55408eb 100644 --- a/src/mesa/drivers/dri/i965/brw_vec4_gs_visitor.cpp +++ b/src/mesa/drivers/dri/i965/brw_vec4_gs_visitor.cpp @@ -348,11 +348,6 @@ vec4_gs_visitor::emit_control_data_bits() if (c->control_data_header_size_bits > 128) urb_write_flags = urb_write_flags | BRW_URB_WRITE_PER_SLOT_OFFSET; - /* If vertex_count is 0, then no control data bits have been accumulated - * yet, so we should do nothing. - */ - emit(CMP(dst_null_d(), this->vertex_count, 0u, BRW_CONDITIONAL_NEQ)); - emit(IF(BRW_PREDICATE_NORMAL)); { /* If we are using either channel masks or a per-slot offset, then we * need to figure out which DWORD we are trying to write to, using the @@ -431,7 +426,6 @@ vec4_gs_visitor::emit_control_data_bits() inst->base_mrf = base_mrf; inst->mlen = 2; } - emit(BRW_OPCODE_ENDIF); } void @@ -531,9 +525,17 @@ vec4_gs_visitor::visit(ir_emit_vertex *ir) emit(AND(dst_null_d(), this->vertex_count, (uint32_t) (32 / c->control_data_bits_per_vertex - 1))); inst->conditional_mod = BRW_CONDITIONAL_Z; + emit(IF(BRW_PREDICATE_NORMAL)); { + /* If vertex_count is 0, then no control data bits have been + * accumulated yet, so we skip emitting them. + */ + emit(CMP(dst_null_d(), this->vertex_count, 0u, + BRW_CONDITIONAL_NEQ)); + emit(IF(BRW_PREDICATE_NORMAL)); emit_control_data_bits(); + emit(BRW_OPCODE_ENDIF); /* Reset control_data_bits to 0 so we can start accumulating a new * batch. |