fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-03-15 02:00:33 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

elk: always write the VUE header

Browse source 
ELK equivalent of !34211, also required to avoid potential rendering errors with hasvk.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/34298>
This commit is contained in:
irql-notlessorequal 2025-03-31 17:45:50 +02:00 • committed by Marge Bot
parent fe7e0fd4f1
commit 255166a349
1 changed files with 6 additions and 14 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

20
src/intel/compiler/elk/elk_fs_visitor.cpp
View file

@ -563,8 +563,6 @@ elk_fs_visitor::emit_urb_writes(const elk_fs_reg &gs_vertex_count)
elk_vue_prog_data(this->prog_data);
const struct elk_vs_prog_key *vs_key =
(const struct elk_vs_prog_key *) this->key;
const GLbitfield64 psiz_mask =
VARYING_BIT_LAYER | VARYING_BIT_VIEWPORT | VARYING_BIT_PSIZ | VARYING_BIT_PRIMITIVE_SHADING_RATE;
const struct intel_vue_map *vue_map = &vue_prog_data->vue_map;
bool flush;
elk_fs_reg sources[8];
@ -634,12 +632,12 @@ elk_fs_visitor::emit_urb_writes(const elk_fs_reg &gs_vertex_count)
switch (varying) {
case VARYING_SLOT_PSIZ: {
/* The point size varying slot is the vue header and is always in the
* vue map. But often none of the special varyings that live there
* are written and for the vertex shaders we can skip writing to the
* VUE header because it is setup by the VF fixed function. All other
* pre-rasterization stages should setup the VUE header properly as
* describe in the SKL PRMs, Volume 7: 3D-Media-GPGPU, Vertex URB
* Entry (VUE) Formats:
* vue map. If anything in the header is going to be read back by HW,
* we need to initialize it, in particular the viewport & layer
* values.
*
* SKL PRMs, Volume 7: 3D-Media-GPGPU, Vertex URB Entry (VUE)
* Formats:
*
* "VUEs are written in two ways:
*
@ -668,12 +666,6 @@ elk_fs_visitor::emit_urb_writes(const elk_fs_reg &gs_vertex_count)
* - If Rendering is disabled, VertexHeaders are not required
* anywhere."
*/
if ((vue_map->slots_valid & psiz_mask) == 0 &&
stage == MESA_SHADER_VERTEX) {
assert(length == 0);
urb_offset++;
break;
}
elk_fs_reg zero(VGRF, alloc.allocate(dispatch_width / 8),
ELK_REGISTER_TYPE_UD);