mesa/src/panfrost/util/pan_lower_framebuffer.h
Alyssa Rosenzweig 2745daa05a pan/lower_framebuffer: Lower MSAA blend shaders
Do it explicitly in NIR rather than implicitly in the Midgard compiler. This
avoids a nasty sideband input for the render target formats and sample count,
for blend shaders on midgard only.

Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20906>
2023-03-23 23:53:46 +00:00

41 lines
1.7 KiB
C

/*
* Copyright (C) 2020 Collabora, Ltd.
*
* 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.
*
* Authors (Collabora):
* Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
*/
#ifndef __PAN_LOWER_FRAMEBUFFER_H
#define __PAN_LOWER_FRAMEBUFFER_H
#include "compiler/nir/nir.h"
#include "util/format/u_format.h"
nir_alu_type
pan_unpacked_type_for_format(const struct util_format_description *desc);
bool pan_lower_framebuffer(nir_shader *shader, const enum pipe_format *rt_fmts,
uint8_t raw_fmt_mask,
unsigned blend_shader_nr_samples,
bool broken_ld_special);
#endif