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db4c878e4f
The change was performed automatically with a regular expression over the code base. Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35553>
150 lines
4.8 KiB
C
150 lines
4.8 KiB
C
/*
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* Copyright (C) 2018 Alyssa Rosenzweig
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* Copyright (C) 2019-2021 Collabora, Ltd.
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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 FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef __PAN_BLEND_H__
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#define __PAN_BLEND_H__
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#include "genxml/gen_macros.h"
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#include "compiler/nir/nir.h"
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#include "util/blend.h"
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#include "util/format/u_format.h"
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#include "panfrost/util/pan_ir.h"
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struct MALI_BLEND_EQUATION;
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struct pan_blend_equation {
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unsigned blend_enable : 1;
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enum pipe_blend_func rgb_func : 3;
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enum pipe_blendfactor rgb_src_factor : 5;
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enum pipe_blendfactor rgb_dst_factor : 5;
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enum pipe_blend_func alpha_func : 3;
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enum pipe_blendfactor alpha_src_factor : 5;
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enum pipe_blendfactor alpha_dst_factor : 5;
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unsigned color_mask : 4;
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unsigned padding : 1;
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};
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struct pan_blend_rt_state {
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/* RT format */
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enum pipe_format format;
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/* Number of samples */
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unsigned nr_samples;
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struct pan_blend_equation equation;
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};
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struct pan_blend_state {
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bool alpha_to_one;
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bool logicop_enable;
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enum pipe_logicop logicop_func;
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float constants[4];
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unsigned rt_count;
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struct pan_blend_rt_state rts[8];
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};
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struct pan_blend_shader_key {
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enum pipe_format format;
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nir_alu_type src0_type, src1_type;
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uint32_t rt : 3;
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uint32_t logicop_enable : 1;
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uint32_t logicop_func : 4;
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uint32_t nr_samples : 5;
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uint32_t alpha_to_one : 1;
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uint32_t padding : 17;
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struct pan_blend_equation equation;
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};
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bool pan_blend_reads_dest(const struct pan_blend_equation eq);
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bool pan_blend_can_fixed_function(const struct pan_blend_equation equation,
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bool supports_2src);
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bool pan_blend_is_opaque(const struct pan_blend_equation eq);
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bool pan_blend_alpha_zero_nop(const struct pan_blend_equation eq);
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bool pan_blend_alpha_one_store(const struct pan_blend_equation eq);
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unsigned pan_blend_constant_mask(const struct pan_blend_equation eq);
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/* Fixed-function blending only supports a single constant, so if multiple bits
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* are set in constant_mask, the constants must match. Therefore we may pick
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* just the first constant. */
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static inline float
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pan_blend_get_constant(unsigned mask, const float *constants)
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{
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return mask ? constants[ffs(mask) - 1] : 0.0;
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}
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/* v6 doesn't support blend constants in FF blend equations whatsoever, and v7
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* only uses the constant from RT 0 (TODO: what if it's the same constant? or a
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* constant is shared?) */
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static inline bool
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pan_blend_supports_constant(unsigned arch, unsigned rt)
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{
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return !((arch == 6) || (arch == 7 && rt > 0));
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}
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/* The SOURCE_2 value is new in Bifrost */
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static inline bool
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pan_blend_supports_2src(unsigned arch)
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{
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return (arch >= 6);
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}
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bool pan_blend_is_homogenous_constant(unsigned mask, const float *constants);
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void pan_blend_to_fixed_function_equation(const struct pan_blend_equation eq,
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struct MALI_BLEND_EQUATION *equation);
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enum mali_register_file_format pan_blend_type_from_nir(nir_alu_type nir_type);
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uint32_t pan_pack_blend(const struct pan_blend_equation equation);
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#ifdef PAN_ARCH
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nir_shader *GENX(pan_blend_create_shader)(const struct pan_blend_state *state,
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nir_alu_type src0_type,
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nir_alu_type src1_type, unsigned rt);
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#if PAN_ARCH >= 6
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uint64_t GENX(pan_blend_get_internal_desc)(enum pipe_format fmt, unsigned rt,
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unsigned force_size, bool dithered);
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bool GENX(pan_inline_rt_conversion)(nir_shader *s, enum pipe_format *formats);
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#if PAN_ARCH < 9
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enum mali_register_file_format
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GENX(pan_fixup_blend_type)(nir_alu_type T_size, enum pipe_format format);
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#endif
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#endif
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#endif
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#endif
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