| /* |
| * Copyright © 2017 Intel Corporation |
| * |
| * 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 |
| * on the rights to use, copy, modify, merge, publish, distribute, sub |
| * license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHOR(S) AND/OR THEIR SUPPLIERS 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. |
| */ |
| #ifndef IRIS_PIPE_H |
| #define IRIS_PIPE_H |
| |
| #include "pipe/p_defines.h" |
| #include "compiler/shader_enums.h" |
| |
| static inline gl_shader_stage |
| stage_from_pipe(enum pipe_shader_type pstage) |
| { |
| static const gl_shader_stage stages[PIPE_SHADER_TYPES] = { |
| [PIPE_SHADER_VERTEX] = MESA_SHADER_VERTEX, |
| [PIPE_SHADER_TESS_CTRL] = MESA_SHADER_TESS_CTRL, |
| [PIPE_SHADER_TESS_EVAL] = MESA_SHADER_TESS_EVAL, |
| [PIPE_SHADER_GEOMETRY] = MESA_SHADER_GEOMETRY, |
| [PIPE_SHADER_FRAGMENT] = MESA_SHADER_FRAGMENT, |
| [PIPE_SHADER_COMPUTE] = MESA_SHADER_COMPUTE, |
| }; |
| return stages[pstage]; |
| } |
| |
| static inline enum pipe_shader_type |
| stage_to_pipe(gl_shader_stage stage) |
| { |
| static const enum pipe_shader_type pstages[MESA_SHADER_STAGES] = { |
| [MESA_SHADER_VERTEX] = PIPE_SHADER_VERTEX, |
| [MESA_SHADER_TESS_CTRL] = PIPE_SHADER_TESS_CTRL, |
| [MESA_SHADER_TESS_EVAL] = PIPE_SHADER_TESS_EVAL, |
| [MESA_SHADER_GEOMETRY] = PIPE_SHADER_GEOMETRY, |
| [MESA_SHADER_FRAGMENT] = PIPE_SHADER_FRAGMENT, |
| [MESA_SHADER_COMPUTE] = PIPE_SHADER_COMPUTE, |
| }; |
| return pstages[stage]; |
| } |
| |
| /** |
| * Convert an swizzle enumeration (i.e. PIPE_SWIZZLE_X) to one of the HW's |
| * "Shader Channel Select" enumerations (i.e. SCS_RED). The mappings are |
| * |
| * SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_W, SWIZZLE_ZERO, SWIZZLE_ONE |
| * 0 1 2 3 4 5 |
| * 4 5 6 7 0 1 |
| * SCS_RED, SCS_GREEN, SCS_BLUE, SCS_ALPHA, SCS_ZERO, SCS_ONE |
| * |
| * which is simply adding 4 then modding by 8 (or anding with 7). |
| */ |
| static inline enum isl_channel_select |
| pipe_swizzle_to_isl_channel(enum pipe_swizzle swizzle) |
| { |
| return (swizzle + 4) & 7; |
| } |
| |
| #endif |
