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Diffstat (limited to 'src/gallium/drivers/crocus/crocus_pipe.h')
-rw-r--r-- | src/gallium/drivers/crocus/crocus_pipe.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/src/gallium/drivers/crocus/crocus_pipe.h b/src/gallium/drivers/crocus/crocus_pipe.h new file mode 100644 index 00000000000..71b12d08e16 --- /dev/null +++ b/src/gallium/drivers/crocus/crocus_pipe.h @@ -0,0 +1,74 @@ +/* + * 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 CROCUS_PIPE_H +#define CROCUS_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 |