huxi
73 lines
2.0 KiB
C
73 lines
2.0 KiB
C
#ifndef __GPU_MATH_H__
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#define __GPU_MATH_H__
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// #include <stdint.h>
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#include "asm/cpu.h"
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#include "system/includes.h"
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#define GPU_MATH_CODE AT(.math_api.text.cache.L2)
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typedef struct {
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float m[3][3];
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} gpu_matrix_t;
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typedef struct {
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float x;
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float y;
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} gpu_point2_t;
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typedef struct {
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float x;
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float y;
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float z;
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} gpu_point3_t;
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typedef struct {
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int minx;
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int maxx;
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int miny;
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int maxy;
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} gpu_boundbox_t;
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float gpu_sinf(float x);
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float gpu_cosf(float x);
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gpu_matrix_t *gpu_matrix_create();
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void gpu_matrix_free_(gpu_matrix_t *m);
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void gpu_matrix_set_identity(gpu_matrix_t *m);
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void gpu_matrix_set_translate(gpu_matrix_t *m, float tx, float ty);
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void gpu_matrix_set_scale(gpu_matrix_t *m, float sx, float sy);
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void gpu_matrix_set_shear(gpu_matrix_t *m, float shx, float shy);
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void gpu_matrix_set_rotate(gpu_matrix_t *m, float a);
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void gpu_matrix_set_flip(gpu_matrix_t *m, int x_en, int y_en);
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void gpu_matrix_multiply(gpu_matrix_t *d, gpu_matrix_t *s0, gpu_matrix_t *s1);
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void gpu_matrix_mul_const(gpu_matrix_t *m, float f);
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int gpu_matrix_is_affine(gpu_matrix_t *m);
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int gpu_matrix_invert(gpu_matrix_t *dm, gpu_matrix_t *m);
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void gpu_matrix_translate(gpu_matrix_t *m, float tx, float ty);
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void gpu_matrix_scale(gpu_matrix_t *m, float sx, float sy);
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void gpu_matrix_shear(gpu_matrix_t *m, float shx, float shy);
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void gpu_matrix_rotate(gpu_matrix_t *m, float a);
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void gpu_matrix_flip(gpu_matrix_t *m, int x_en, int y_en);
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void gpu_transform_point2(gpu_point2_t *dp, gpu_matrix_t *m, gpu_point2_t *sp);
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void gpu_point2_add(gpu_point2_t *d, gpu_point2_t *s0, gpu_point2_t *s1);
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void gpu_point2_sub(gpu_point2_t *d, gpu_point2_t *s0, gpu_point2_t *s1);
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void gpu_point2_mul(gpu_point2_t *d, gpu_point2_t *s0, gpu_point2_t *s1);
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float gpu_point2_len(gpu_point2_t *s0, gpu_point2_t *s1);
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void gpu_matrix_get_boundbox(gpu_matrix_t *matrix, gpu_boundbox_t *src, gpu_boundbox_t *dst);
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int gpu_matrix_calc_by_point(gpu_matrix_t *matrix, int pt_w, int pt_h, float points[8]);
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#endif
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