2018-01-12 06:18:54 +00:00
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/*
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* Copyright © 2017 Intel Corporation
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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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* on the rights to use, copy, modify, merge, publish, distribute, sub
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* license, and/or sell copies of the Software, and to permit persons to whom
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* the 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 NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef IRIS_PIPE_H
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#define IRIS_PIPE_H
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#include "pipe/p_defines.h"
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#include "compiler/shader_enums.h"
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2018-10-07 06:54:38 +01:00
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static inline gl_shader_stage
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2018-01-12 06:18:54 +00:00
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stage_from_pipe(enum pipe_shader_type pstage)
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{
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static const gl_shader_stage stages[PIPE_SHADER_TYPES] = {
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[PIPE_SHADER_VERTEX] = MESA_SHADER_VERTEX,
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[PIPE_SHADER_TESS_CTRL] = MESA_SHADER_TESS_CTRL,
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[PIPE_SHADER_TESS_EVAL] = MESA_SHADER_TESS_EVAL,
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[PIPE_SHADER_GEOMETRY] = MESA_SHADER_GEOMETRY,
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[PIPE_SHADER_FRAGMENT] = MESA_SHADER_FRAGMENT,
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[PIPE_SHADER_COMPUTE] = MESA_SHADER_COMPUTE,
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};
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return stages[pstage];
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}
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2019-04-17 07:54:37 +01:00
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static inline enum pipe_shader_type
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stage_to_pipe(gl_shader_stage stage)
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{
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static const enum pipe_shader_type pstages[MESA_SHADER_STAGES] = {
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[MESA_SHADER_VERTEX] = PIPE_SHADER_VERTEX,
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[MESA_SHADER_TESS_CTRL] = PIPE_SHADER_TESS_CTRL,
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[MESA_SHADER_TESS_EVAL] = PIPE_SHADER_TESS_EVAL,
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[MESA_SHADER_GEOMETRY] = PIPE_SHADER_GEOMETRY,
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[MESA_SHADER_FRAGMENT] = PIPE_SHADER_FRAGMENT,
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[MESA_SHADER_COMPUTE] = PIPE_SHADER_COMPUTE,
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};
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return pstages[stage];
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}
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2018-10-07 06:50:34 +01:00
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/**
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* Convert an swizzle enumeration (i.e. PIPE_SWIZZLE_X) to one of the HW's
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* "Shader Channel Select" enumerations (i.e. SCS_RED). The mappings are
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*
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* SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_W, SWIZZLE_ZERO, SWIZZLE_ONE
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* 0 1 2 3 4 5
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* 4 5 6 7 0 1
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* SCS_RED, SCS_GREEN, SCS_BLUE, SCS_ALPHA, SCS_ZERO, SCS_ONE
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*
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* which is simply adding 4 then modding by 8 (or anding with 7).
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*/
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static inline enum isl_channel_select
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pipe_swizzle_to_isl_channel(enum pipe_swizzle swizzle)
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{
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return (swizzle + 4) & 7;
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}
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2018-01-12 06:18:54 +00:00
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#endif
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