mirror of
https://gitlab.freedesktop.org/mesa/mesa.git
synced 2026-05-19 04:58:08 +02:00
298a3eebd8
NIR bits were hand-typed. Driver updates done through the following
semantic patch:
@@
expression T, ST, D;
@@
-nir_tex_instr_add_src(T, ST, nir_src_for_ssa(D));
+nir_tex_instr_add_src(T, ST, D);
Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24729>
78 lines
3 KiB
C
78 lines
3 KiB
C
/*
|
|
* Copyright © 2015 Broadcom
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice (including the next
|
|
* paragraph) shall be included in all copies or substantial portions of the
|
|
* Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
|
|
* IN THE SOFTWARE.
|
|
*/
|
|
|
|
#include "v3d_compiler.h"
|
|
#include "compiler/nir/nir_builder.h"
|
|
|
|
/** @file v3d_nir_lower_txf_ms.c
|
|
*
|
|
* V3D's MSAA surfaces are laid out in UIF textures where each pixel is a 2x2
|
|
* quad in the texture. This pass lowers the txf_ms with a ms_index source to
|
|
* a plain txf with the sample_index pulling out the correct texel from the
|
|
* 2x2 quad.
|
|
*/
|
|
|
|
static nir_def *
|
|
v3d_nir_lower_txf_ms_instr(nir_builder *b, nir_instr *in_instr, void *data)
|
|
{
|
|
nir_tex_instr *instr = nir_instr_as_tex(in_instr);
|
|
|
|
b->cursor = nir_before_instr(&instr->instr);
|
|
|
|
nir_def *coord = nir_steal_tex_src(instr, nir_tex_src_coord);
|
|
nir_def *sample = nir_steal_tex_src(instr, nir_tex_src_ms_index);
|
|
|
|
nir_def *one = nir_imm_int(b, 1);
|
|
nir_def *x = nir_iadd(b,
|
|
nir_ishl(b, nir_channel(b, coord, 0), one),
|
|
nir_iand(b, sample, one));
|
|
nir_def *y = nir_iadd(b,
|
|
nir_ishl(b, nir_channel(b, coord, 1), one),
|
|
nir_iand(b, nir_ushr(b, sample, one), one));
|
|
if (instr->is_array)
|
|
coord = nir_vec3(b, x, y, nir_channel(b, coord, 2));
|
|
else
|
|
coord = nir_vec2(b, x, y);
|
|
|
|
nir_tex_instr_add_src(instr, nir_tex_src_coord, coord);
|
|
instr->op = nir_texop_txf;
|
|
instr->sampler_dim = GLSL_SAMPLER_DIM_2D;
|
|
|
|
return NIR_LOWER_INSTR_PROGRESS;
|
|
}
|
|
|
|
static bool
|
|
v3d_nir_lower_txf_ms_filter(const nir_instr *instr, const void *data)
|
|
{
|
|
return (instr->type == nir_instr_type_tex &&
|
|
nir_instr_as_tex(instr)->op == nir_texop_txf_ms);
|
|
}
|
|
|
|
bool
|
|
v3d_nir_lower_txf_ms(nir_shader *s)
|
|
{
|
|
return nir_shader_lower_instructions(s,
|
|
v3d_nir_lower_txf_ms_filter,
|
|
v3d_nir_lower_txf_ms_instr,
|
|
NULL);
|
|
}
|