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72 lines
2.4 KiB
72 lines
2.4 KiB
#pragma once
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#include "base.h"
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typedef enum {
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Mark_flag_none = 0,
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Mark_flag_input = 1 << 0,
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Mark_flag_output = 1 << 1,
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Mark_flag_haste_input = 1 << 2,
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Mark_flag_lock = 1 << 3,
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Mark_flag_sleep = 1 << 4,
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} Mark_flags;
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typedef struct Mbuf_reusable {
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Mark* buffer;
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Usz capacity;
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} Mbuf_reusable;
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void mbuf_reusable_init(Mbuf_reusable* mbr);
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void mbuf_reusable_ensure_size(Mbuf_reusable* mbr, Usz height, Usz width);
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void mbuf_reusable_deinit(Mbuf_reusable* mbr);
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void mbuffer_clear(Mark* mbuf, Usz height, Usz width);
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ORCA_OK_IF_UNUSED
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static Mark_flags mbuffer_peek(Mark* mbuf, Usz height, Usz width, Usz y, Usz x);
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ORCA_OK_IF_UNUSED
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static Mark_flags mbuffer_peek_relative(Mark* mbuf, Usz height, Usz width,
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Usz y, Usz x, Isz offs_y, Isz offs_x);
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ORCA_OK_IF_UNUSED
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static void mbuffer_poke_flags_or(Mark* mbuf, Usz height, Usz width, Usz y,
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Usz x, Mark_flags flags);
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ORCA_OK_IF_UNUSED
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static void mbuffer_poke_relative_flags_or(Mark* mbuf, Usz height, Usz width,
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Usz y, Usz x, Isz offs_y, Isz offs_x,
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Mark_flags flags);
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// Inline implementation
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ORCA_OK_IF_UNUSED
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static Mark_flags mbuffer_peek(Mark* mbuf, Usz height, Usz width, Usz y,
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Usz x) {
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(void)height;
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return mbuf[y * width + x];
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}
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ORCA_OK_IF_UNUSED
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static Mark_flags mbuffer_peek_relative(Mark* mbuf, Usz height, Usz width,
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Usz y, Usz x, Isz offs_y, Isz offs_x) {
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Isz y0 = (Isz)y + offs_y;
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Isz x0 = (Isz)x + offs_x;
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if (y0 >= (Isz)height || x0 >= (Isz)width || y0 < 0 || x0 < 0)
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return Mark_flag_none;
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return mbuf[(Usz)y0 * width + (Usz)x0];
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}
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ORCA_OK_IF_UNUSED
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static void mbuffer_poke_flags_or(Mark* mbuf, Usz height, Usz width, Usz y,
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Usz x, Mark_flags flags) {
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(void)height;
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mbuf[y * width + x] |= (Mark)flags;
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}
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ORCA_OK_IF_UNUSED
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static void mbuffer_poke_relative_flags_or(Mark* mbuf, Usz height, Usz width,
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Usz y, Usz x, Isz offs_y, Isz offs_x,
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Mark_flags flags) {
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Isz y0 = (Isz)y + offs_y;
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Isz x0 = (Isz)x + offs_x;
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if (y0 >= (Isz)height || x0 >= (Isz)width || y0 < 0 || x0 < 0)
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return;
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mbuf[(Usz)y0 * width + (Usz)x0] |= (Mark)flags;
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}
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