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502b942944
So we can use this function in decode_common.c when transitioning to per-gen XML. While at it rename the function pan_arch(). Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> Reviewed-by: Alyssa Rosenzweig <alyssa@collabora.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12935>
114 lines
3.3 KiB
C
114 lines
3.3 KiB
C
/*
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* Copyright ©2021 Collabora Ltd.
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* Copyright © 2015 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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* 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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#ifndef GEN_MACROS_H
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#define GEN_MACROS_H
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/* Macros for handling per-gen compilation.
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*
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* The macro GENX() automatically suffixes whatever you give it with _vX
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*
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* You can do pseudo-runtime checks in your function such as
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*
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* if (PAN_ARCH == 4) {
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* // Do something
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* }
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*
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* The contents of the if statement must be valid regardless of gen, but
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* the if will get compiled away on everything except first-generation Midgard.
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*
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* For places where you really do have a compile-time conflict, you can
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* use preprocessor logic:
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*
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* #if (PAN_ARCH == 75)
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* // Do something
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* #endif
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*
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* However, it is strongly recommended that the former be used whenever
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* possible.
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*/
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/* Returns the architecture version given a GPU ID, either from a table for
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* old-style Midgard versions or directly for new-style Bifrost/Valhall
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* versions */
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static inline unsigned
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pan_arch(unsigned gpu_id)
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{
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switch (gpu_id) {
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case 0x600:
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case 0x620:
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case 0x720:
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return 4;
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case 0x750:
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case 0x820:
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case 0x830:
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case 0x860:
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case 0x880:
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return 5;
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default:
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return gpu_id >> 12;
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}
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}
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/* Base macro defined on the command line. */
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#ifndef PAN_ARCH
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/* This will be replaced by a minimal definition header as soon as the
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* per-gen transition is complete.
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*/
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# include "midgard_pack.h"
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#else
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#if PAN_ARCH >= 6
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#define TILER_JOB BIFROST_TILER_JOB
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#define TEXTURE BIFROST_TEXTURE
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#define SAMPLER BIFROST_SAMPLER
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#define TILER_HEAP BIFROST_TILER_HEAP
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#define TILER_CONTEXT BIFROST_TILER
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#else
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#define TILER_JOB MIDGARD_TILER_JOB
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#define TEXTURE MIDGARD_TEXTURE
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#define SAMPLER MIDGARD_SAMPLER
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#define TILER_CONTEXT MIDGARD_TILER
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#endif
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/* Suffixing macros */
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#if (PAN_ARCH == 4)
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# define GENX(X) X##_v4
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# include "midgard_pack.h"
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#elif (PAN_ARCH == 5)
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# define GENX(X) X##_v5
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# include "midgard_pack.h"
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#elif (PAN_ARCH == 6)
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# define GENX(X) X##_v6
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# include "midgard_pack.h"
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#elif (PAN_ARCH == 7)
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# define GENX(X) X##_v7
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# include "midgard_pack.h"
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#else
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# error "Need to add suffixing macro for this architecture"
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#endif
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#endif /* PAN_ARCH */
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#endif /* GEN_MACROS_H */
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