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vkd3d-shader/hlsl: Support log2() intrinsic.

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This commit is contained in:
Nikolay Sivov
2023-02-21 23:13:24 +01:00
committed by Alexandre Julliard
parent c93dac3620
commit 49b63fbeba
Notes: Alexandre Julliard 2023-04-13 23:19:56 +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/89
3 changed files with 25 additions and 0 deletions
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12
libs/vkd3d-shader/hlsl.y
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@@ -2843,6 +2843,17 @@ static bool intrinsic_lit(struct hlsl_ctx *ctx,
return true;
}
static bool intrinsic_log2(struct hlsl_ctx *ctx,
const struct parse_initializer *params, const struct vkd3d_shader_location *loc)
{
struct hlsl_ir_node *arg;
if (!(arg = intrinsic_float_convert_arg(ctx, params, params->args[0], loc)))
return false;
return !!add_unary_arithmetic_expr(ctx, params->instrs, HLSL_OP1_LOG2, arg, loc);
}
static bool intrinsic_max(struct hlsl_ctx *ctx,
const struct parse_initializer *params, const struct vkd3d_shader_location *loc)
{
@@ -3300,6 +3311,7 @@ intrinsic_functions[] =
{"length", 1, true, intrinsic_length},
{"lerp", 3, true, intrinsic_lerp},
{"lit", 3, true, intrinsic_lit},
{"log2", 1, true, intrinsic_log2},
{"max", 2, true, intrinsic_max},
{"min", 2, true, intrinsic_min},
{"mul", 2, true, intrinsic_mul},