From: Akihiro Sagawa sagawa.aki@gmail.com
--- libs/vkd3d-shader/hlsl.y | 17 +++++++++++++++++ tests/hlsl/angle-unit.shader_test | 14 ++++++++++++++ 2 files changed, 31 insertions(+)
diff --git a/libs/vkd3d-shader/hlsl.y b/libs/vkd3d-shader/hlsl.y index a9ff41aa8..242e8307d 100644 --- a/libs/vkd3d-shader/hlsl.y +++ b/libs/vkd3d-shader/hlsl.y @@ -2878,6 +2878,22 @@ static bool intrinsic_ddy_coarse(struct hlsl_ctx *ctx, return !!add_unary_arithmetic_expr(ctx, params->instrs, HLSL_OP1_DSY_COARSE, arg, loc); }
+static bool intrinsic_degrees(struct hlsl_ctx *ctx, + const struct parse_initializer *params, const struct vkd3d_shader_location *loc) +{ + struct hlsl_ir_node *arg, *deg; + + if (!(arg = intrinsic_float_convert_arg(ctx, params, params->args[0], loc))) + return false; + + /* 1 rad = 180/pi degree = 57.2957795 degree */ + if (!(deg = hlsl_new_float_constant(ctx, 57.2957795f, loc))) + return false; + hlsl_block_add_instr(params->instrs, deg); + + return !!add_binary_arithmetic_expr(ctx, params->instrs, HLSL_OP2_MUL, arg, deg, loc); +} + static bool intrinsic_ddy_fine(struct hlsl_ctx *ctx, const struct parse_initializer *params, const struct vkd3d_shader_location *loc) { @@ -3865,6 +3881,7 @@ intrinsic_functions[] = {"ddy", 1, true, intrinsic_ddy}, {"ddy_coarse", 1, true, intrinsic_ddy_coarse}, {"ddy_fine", 1, true, intrinsic_ddy_fine}, + {"degrees", 1, true, intrinsic_degrees}, {"distance", 2, true, intrinsic_distance}, {"dot", 2, true, intrinsic_dot}, {"exp", 1, true, intrinsic_exp}, diff --git a/tests/hlsl/angle-unit.shader_test b/tests/hlsl/angle-unit.shader_test index 6e0538f98..407d24139 100644 --- a/tests/hlsl/angle-unit.shader_test +++ b/tests/hlsl/angle-unit.shader_test @@ -10,3 +10,17 @@ float4 main() : sv_target uniform 0 float4 0.0 30.0 150.0 180.0 draw quad probe all rgba (0.0, 0.52359877, 2.61799387, 3.14159265) + + +[pixel shader] +uniform float4 a; + +float4 main() : sv_target +{ + return degrees(a); +} + +[test] +uniform 0 float4 0.0 0.78539816 1.57079632 2.35619449 +draw quad +probe all rgba (0.0, 45.0, 90.0, 135.0)