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37974bcd26
Will be used by the pan_blend library. Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> Acked-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8963>
65 lines
1.9 KiB
C
65 lines
1.9 KiB
C
/*
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* Copyright  2019 Alyssa Rosenzweig
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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 DEALINGS
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* IN THE SOFTWARE.
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*
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*/
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#ifndef NIR_BLEND_H
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#define NIR_BLEND_H
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#include "compiler/nir/nir.h"
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#include "pipe/p_format.h"
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/* These structs encapsulates the blend state such that it can be lowered
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* cleanly
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*/
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typedef struct {
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enum blend_func func;
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enum blend_factor src_factor;
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bool invert_src_factor;
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enum blend_factor dst_factor;
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bool invert_dst_factor;
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} nir_lower_blend_channel;
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typedef struct {
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nir_lower_blend_channel rgb;
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nir_lower_blend_channel alpha;
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/* 4-bit colormask. 0x0 for none, 0xF for RGBA, 0x1 for R */
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unsigned colormask;
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bool logicop_enable;
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unsigned logicop_func;
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enum pipe_format format;
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/* Use fp16 instead of fp32 */
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bool half;
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bool is_bifrost;
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nir_ssa_def *src1;
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} nir_lower_blend_options;
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void nir_lower_blend(nir_shader *shader, nir_lower_blend_options options);
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#endif
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