/*
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* Copyright © 2014 Broadcom
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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 VC4_TILING_H
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#define VC4_TILING_H
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#include <stdbool.h>
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#include <stdint.h>
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#include "util/macros.h"
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#include "util/u_cpu_detect.h"
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/** Return the width in pixels of a 64-byte microtile. */
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static inline uint32_t
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vc4_utile_width(int cpp)
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{
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switch (cpp) {
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case 1:
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case 2:
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return 8;
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case 4:
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return 4;
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case 8:
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return 2;
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default:
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unreachable("unknown cpp");
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}
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}
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/** Return the height in pixels of a 64-byte microtile. */
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static inline uint32_t
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vc4_utile_height(int cpp)
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{
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switch (cpp) {
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case 1:
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return 8;
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case 2:
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case 4:
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case 8:
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return 4;
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default:
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unreachable("unknown cpp");
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}
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}
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bool vc4_size_is_lt(uint32_t width, uint32_t height, int cpp) ATTRIBUTE_CONST;
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void vc4_load_lt_image_base(void *dst, uint32_t dst_stride,
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void *src, uint32_t src_stride,
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int cpp, const struct pipe_box *box);
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void vc4_store_lt_image_base(void *dst, uint32_t dst_stride,
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void *src, uint32_t src_stride,
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int cpp, const struct pipe_box *box);
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void vc4_load_lt_image_neon(void *dst, uint32_t dst_stride,
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void *src, uint32_t src_stride,
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int cpp, const struct pipe_box *box);
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void vc4_store_lt_image_neon(void *dst, uint32_t dst_stride,
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void *src, uint32_t src_stride,
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int cpp, const struct pipe_box *box);
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void vc4_load_tiled_image(void *dst, uint32_t dst_stride,
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void *src, uint32_t src_stride,
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uint8_t tiling_format, int cpp,
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const struct pipe_box *box);
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void vc4_store_tiled_image(void *dst, uint32_t dst_stride,
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void *src, uint32_t src_stride,
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uint8_t tiling_format, int cpp,
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const struct pipe_box *box);
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static inline void
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vc4_load_lt_image(void *dst, uint32_t dst_stride,
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void *src, uint32_t src_stride,
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int cpp, const struct pipe_box *box)
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{
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#ifdef USE_ARM_ASM
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if (util_cpu_caps.has_neon) {
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vc4_load_lt_image_neon(dst, dst_stride, src, src_stride,
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cpp, box);
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return;
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}
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#endif
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vc4_load_lt_image_base(dst, dst_stride, src, src_stride,
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cpp, box);
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}
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static inline void
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vc4_store_lt_image(void *dst, uint32_t dst_stride,
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void *src, uint32_t src_stride,
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int cpp, const struct pipe_box *box)
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{
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#ifdef USE_ARM_ASM
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if (util_cpu_caps.has_neon) {
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vc4_store_lt_image_neon(dst, dst_stride, src, src_stride,
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cpp, box);
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return;
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}
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#endif
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vc4_store_lt_image_base(dst, dst_stride, src, src_stride,
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cpp, box);
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}
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#endif /* VC4_TILING_H */
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