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vkd3d-shader/hlsl: Implement intrinsic tan.

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This commit also extends the trigonometry tests a little bit to make
sure that tan works right.
This commit is contained in:
Petrichor Park
2023-08-31 10:53:10 -05:00
committed by Alexandre Julliard
parent 6ec5e5bf54
commit 976fd67f51
Notes: Alexandre Julliard 2023-09-25 22:27:36 +02:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Zebediah Figura (@zfigura)
Approved-by: Francisco Casas (@fcasas)
Approved-by: Henri Verbeet (@hverbeet)
Approved-by: Alexandre Julliard (@julliard)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/321
2 changed files with 48 additions and 17 deletions
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15
libs/vkd3d-shader/hlsl.y
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@@ -3423,6 +3423,20 @@ static bool intrinsic_step(struct hlsl_ctx *ctx,
return !!add_implicit_conversion(ctx, params->instrs, ge, type, loc);
}
static bool intrinsic_tan(struct hlsl_ctx *ctx,
const struct parse_initializer *params, const struct vkd3d_shader_location *loc)
{
struct hlsl_ir_node *arg = params->args[0], *sin, *cos;
if (!(sin = add_unary_arithmetic_expr(ctx, params->instrs, HLSL_OP1_SIN, arg, loc)))
return false;
if (!(cos = add_unary_arithmetic_expr(ctx, params->instrs, HLSL_OP1_COS, arg, loc)))
return false;
return !!add_binary_arithmetic_expr(ctx, params->instrs, HLSL_OP2_DIV, sin, cos, loc);
}
static bool intrinsic_tex(struct hlsl_ctx *ctx, const struct parse_initializer *params,
const struct vkd3d_shader_location *loc, const char *name, enum hlsl_sampler_dim dim)
{
@@ -3697,6 +3711,7 @@ intrinsic_functions[] =
{"smoothstep", 3, true, intrinsic_smoothstep},
{"sqrt", 1, true, intrinsic_sqrt},
{"step", 2, true, intrinsic_step},
{"tan", 1, true, intrinsic_tan},
{"tex1D", -1, false, intrinsic_tex1D},
{"tex2D", -1, false, intrinsic_tex2D},
{"tex3D", -1, false, intrinsic_tex3D},