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7fb1e58651
The callers already have this value, and we would like to make it follow different rules other than stage that might not be visible to the helper function, so just pass explicitly. Reviewed-by: Kenneth Graunke <kenneth@whitecape.org> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9779>
117 lines
3.4 KiB
C++
117 lines
3.4 KiB
C++
/*
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* Copyright © 2013 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include "brw_vec4_vs.h"
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#include "dev/gen_debug.h"
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namespace brw {
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void
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vec4_vs_visitor::emit_prolog()
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{
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}
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void
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vec4_vs_visitor::emit_urb_write_header(int mrf)
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{
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/* No need to do anything for VS; an implied write to this MRF will be
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* performed by VS_OPCODE_URB_WRITE.
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*/
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(void) mrf;
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}
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vec4_instruction *
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vec4_vs_visitor::emit_urb_write_opcode(bool complete)
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{
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/* For VS, the URB writes end the thread. */
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if (complete) {
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if (INTEL_DEBUG & DEBUG_SHADER_TIME)
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emit_shader_time_end();
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}
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vec4_instruction *inst = emit(VS_OPCODE_URB_WRITE);
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inst->urb_write_flags = complete ?
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BRW_URB_WRITE_EOT_COMPLETE : BRW_URB_WRITE_NO_FLAGS;
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return inst;
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}
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void
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vec4_vs_visitor::emit_urb_slot(dst_reg reg, int varying)
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{
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reg.type = BRW_REGISTER_TYPE_F;
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output_reg[varying][0].type = reg.type;
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switch (varying) {
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case VARYING_SLOT_COL0:
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case VARYING_SLOT_COL1:
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case VARYING_SLOT_BFC0:
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case VARYING_SLOT_BFC1: {
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/* These built-in varyings are only supported in compatibility mode,
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* and we only support GS in core profile. So, this must be a vertex
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* shader.
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*/
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vec4_instruction *inst = emit_generic_urb_slot(reg, varying, 0);
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if (inst && key->clamp_vertex_color)
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inst->saturate = true;
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break;
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}
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default:
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return vec4_visitor::emit_urb_slot(reg, varying);
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}
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}
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void
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vec4_vs_visitor::emit_thread_end()
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{
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/* For VS, we always end the thread by emitting a single vertex.
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* emit_urb_write_opcode() will take care of setting the eot flag on the
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* SEND instruction.
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*/
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emit_vertex();
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}
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vec4_vs_visitor::vec4_vs_visitor(const struct brw_compiler *compiler,
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void *log_data,
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const struct brw_vs_prog_key *key,
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struct brw_vs_prog_data *vs_prog_data,
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const nir_shader *shader,
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void *mem_ctx,
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int shader_time_index,
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bool debug_enabled)
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: vec4_visitor(compiler, log_data, &key->base.tex, &vs_prog_data->base,
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shader, mem_ctx, false /* no_spills */, shader_time_index,
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debug_enabled),
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key(key),
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vs_prog_data(vs_prog_data)
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{
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}
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} /* namespace brw */
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