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nir/spirv/glsl450: Implement inverse hyperbolic trig built-ins.

This commit is contained in:
Kenneth Graunke 2015-12-29 15:13:46 -08:00
parent 2ea111664c
commit b4a1c9b506
1 changed files with 19 additions and 3 deletions
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22
src/glsl/nir/spirv/vtn_glsl450.c
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@ -249,13 +249,29 @@ handle_glsl450_alu(struct vtn_builder *b, enum GLSLstd450 entrypoint,
build_exp(nb, nir_fneg(nb, src[0]))));
return;
case GLSLstd450Asinh:
val->ssa->def = nir_fmul(nb, nir_fsign(nb, src[0]),
build_log(nb, nir_fadd(nb, nir_fabs(nb, src[0]),
nir_fsqrt(nb, nir_fadd(nb, nir_fmul(nb, src[0], src[0]),
nir_imm_float(nb, 1.0f))))));
return;
case GLSLstd450Acosh:
val->ssa->def = build_log(nb, nir_fadd(nb, src[0],
nir_fsqrt(nb, nir_fsub(nb, nir_fmul(nb, src[0], src[0]),
nir_imm_float(nb, 1.0f)))));
return;
case GLSLstd450Atanh: {
nir_ssa_def *one = nir_imm_float(nb, 1.0);
val->ssa->def = nir_fmul(nb, nir_imm_float(nb, 0.5f),
build_log(nb, nir_fdiv(nb, nir_fadd(nb, one, src[0]),
nir_fsub(nb, one, src[0]))));
return;
}
case GLSLstd450Asin:
case GLSLstd450Acos:
case GLSLstd450Atan:
case GLSLstd450Atan2:
case GLSLstd450Asinh:
case GLSLstd450Acosh:
case GLSLstd450Atanh:
case GLSLstd450Frexp:
case GLSLstd450PackDouble2x32:
case GLSLstd450UnpackDouble2x32: