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14 lines
354 B
C
14 lines
354 B
C
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#include "pspmath.h"
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void vfpu_envmap_matrix(ScePspFVector4 *envmat, float r) {
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__asm__ volatile (
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"mtv %1, S000\n"
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"vcst.s S001, VFPU_2_PI\n"
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"vmul.s S000, S000, S001\n"
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"vrot.q C010, S000, [c, s, 0, 0]\n"
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"vrot.q C020, S000, [-s, c, 0, 0]\n"
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"sv.q C010, 0 + %0\n"
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"sv.q C020, 16 + %0\n"
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:"=m"(*envmat):"r"(r));
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}
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