wine/vkd3d
0
0
Fork 0
mirror of https://gitlab.winehq.org/wine/vkd3d.git synced 2025-12-15 08:03:30 -08:00
Code Issues Packages Projects Releases Wiki Activity

vkd3d-shader/hlsl: Implement the firstbitlow() intrinsic.

Browse Source
This commit is contained in:
Petrichor Park
2024-08-13 11:34:23 -05:00
committed by Henri Verbeet
parent e6d840170d
commit e35604dbf0
Notes: Henri Verbeet 2025-09-22 11:46:20 +02:00 
Approved-by: Francisco Casas (@fcasas)
Approved-by: Elizabeth Figura (@zfigura)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/965
9 changed files with 135 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
libs/vkd3d-shader/hlsl.y
View File

@@ -4005,6 +4005,24 @@ static bool intrinsic_firstbithigh(struct hlsl_ctx *ctx,
return add_expr(ctx, params->instrs, HLSL_OP3_TERNARY, operands, type, loc);
}
static bool intrinsic_firstbitlow(struct hlsl_ctx *ctx,
const struct parse_initializer *params, const struct vkd3d_shader_location *loc)
{
struct hlsl_ir_node *operands[HLSL_MAX_OPERANDS] = {0};
struct hlsl_type *type;
if (hlsl_version_lt(ctx, 4, 0))
hlsl_error(ctx, loc, VKD3D_SHADER_ERROR_HLSL_INCOMPATIBLE_PROFILE,
"The 'firstbitlow' intrinsic requires shader model 4.0 or higher.");
if (!elementwise_intrinsic_uint_convert_args(ctx, params, loc))
return false;
type = convert_numeric_type(ctx, params->args[0]->data_type, HLSL_TYPE_UINT);
operands[0] = params->args[0];
return add_expr(ctx, params->instrs, HLSL_OP1_CTZ, operands, type, loc);
}
static bool intrinsic_floor(struct hlsl_ctx *ctx,
const struct parse_initializer *params, const struct vkd3d_shader_location *loc)
{
@@ -5416,6 +5434,7 @@ intrinsic_functions[] =
{"f32tof16", 1, true, intrinsic_f32tof16},
{"faceforward", 3, true, intrinsic_faceforward},
{"firstbithigh", 1, true, intrinsic_firstbithigh},
{"firstbitlow", 1, true, intrinsic_firstbitlow},
{"floor", 1, true, intrinsic_floor},
{"fmod", 2, true, intrinsic_fmod},
{"frac", 1, true, intrinsic_frac},