Module: vkd3d Branch: master Commit: 02a366782263f6eb06b8cd839113dff308f2cf05 URL: https://gitlab.winehq.org/wine/vkd3d/-/commit/02a366782263f6eb06b8cd839113df...
Author: Petrichor Park ppark@codeweavers.com Date: Sun Feb 11 11:06:24 2024 -0600
vkd3d-shader/hlsl: Implement atan and atan2.
Also narrows some more todos on the tests.
---
libs/vkd3d-shader/hlsl.y | 95 +++++++++++++++++++++++++++++++++++++ tests/hlsl/inverse-trig.shader_test | 44 ++++++++--------- 2 files changed, 117 insertions(+), 22 deletions(-)
diff --git a/libs/vkd3d-shader/hlsl.y b/libs/vkd3d-shader/hlsl.y index 111fec17..b59dbf32 100644 --- a/libs/vkd3d-shader/hlsl.y +++ b/libs/vkd3d-shader/hlsl.y @@ -2798,6 +2798,99 @@ static bool intrinsic_asin(struct hlsl_ctx *ctx, return write_acos_or_asin(ctx, params, loc, true); }
+static bool write_atan_or_atan2(struct hlsl_ctx *ctx, + const struct parse_initializer *params, + const struct vkd3d_shader_location *loc, bool atan2_mode) +{ + struct hlsl_ir_function_decl *func; + struct hlsl_type *type; + struct vkd3d_string_buffer *buf; + int ret; + + static const char atan2_name[] = "atan2"; + static const char atan_name[] = "atan"; + + static const char atan2_header_template[] = + "%s atan2(%s y, %s x)\n" + "{\n" + " %s in_y, in_x;\n" + " in_y = y;\n" + " in_x = x;\n"; + static const char atan_header_template[] = + "%s atan(%s y)\n" + "{\n" + " %s in_y, in_x;\n" + " in_y = y;\n" + " in_x = 1.0;\n"; + + static const char body_template[] = + " %s recip, input, x2, poly_approx, flipped;" + " recip = 1.0 / max(abs(in_y), abs(in_x));\n" + " input = recip * min(abs(in_y), abs(in_x));\n" + " x2 = input * input;\n" + " poly_approx = ((((0.020835\n" + " * x2 - 0.085133)\n" + " * x2 + 0.180141)\n" + " * x2 - 0.330299)\n" + " * x2 + 0.999866)\n" + " * input;\n" + " flipped = poly_approx * -2.0 + 1.570796;\n" + " poly_approx += abs(in_x) < abs(in_y) ? flipped : 0.0;\n" + " poly_approx += in_x < 0.0 ? -3.1415927 : 0.0;\n" + " return (min(in_x, in_y) < 0.0 && max(in_x, in_y) >= 0.0)\n" + " ? -poly_approx\n" + " : poly_approx;\n" + "}"; + + if (!(type = elementwise_intrinsic_get_common_type(ctx, params, loc))) + return false; + type = hlsl_get_numeric_type(ctx, type->class, HLSL_TYPE_FLOAT, type->dimx, type->dimy); + + if (!(buf = hlsl_get_string_buffer(ctx))) + return false; + + if (atan2_mode) + ret = vkd3d_string_buffer_printf(buf, atan2_header_template, + type->name, type->name, type->name, type->name); + else + ret = vkd3d_string_buffer_printf(buf, atan_header_template, + type->name, type->name, type->name); + if (ret < 0) + { + vkd3d_string_buffer_cleanup(buf); + return false; + } + + ret = vkd3d_string_buffer_printf(buf, body_template, type->name); + if (ret < 0) + { + vkd3d_string_buffer_cleanup(buf); + return false; + } + + func = hlsl_compile_internal_function(ctx, + atan2_mode ? atan2_name : atan_name, buf->buffer); + vkd3d_string_buffer_cleanup(buf); + if (!func) + return false; + + return add_user_call(ctx, func, params, loc); +} + +static bool intrinsic_atan(struct hlsl_ctx *ctx, + const struct parse_initializer *params, const struct vkd3d_shader_location *loc) +{ + return write_atan_or_atan2(ctx, params, loc, false); +} + + +static bool intrinsic_atan2(struct hlsl_ctx *ctx, + const struct parse_initializer *params, const struct vkd3d_shader_location *loc) +{ + return write_atan_or_atan2(ctx, params, loc, true); +} + + /* Find the type corresponding to the given source type, with the same * dimensions but a different base type. */ static struct hlsl_type *convert_numeric_type(const struct hlsl_ctx *ctx, @@ -4031,6 +4124,8 @@ intrinsic_functions[] = {"asfloat", 1, true, intrinsic_asfloat}, {"asin", 1, true, intrinsic_asin}, {"asuint", -1, true, intrinsic_asuint}, + {"atan", 1, true, intrinsic_atan}, + {"atan2", 2, true, intrinsic_atan2}, {"ceil", 1, true, intrinsic_ceil}, {"clamp", 3, true, intrinsic_clamp}, {"clip", 1, true, intrinsic_clip}, diff --git a/tests/hlsl/inverse-trig.shader_test b/tests/hlsl/inverse-trig.shader_test index 01344204..e428d309 100644 --- a/tests/hlsl/inverse-trig.shader_test +++ b/tests/hlsl/inverse-trig.shader_test @@ -92,7 +92,7 @@ todo(sm<4) draw quad probe all rgba (31416.0, 0.0, 0.0, 0.0)
-[pixel shader todo] +[pixel shader todo(sm<4)] uniform float4 a;
float4 main() : sv_target @@ -102,26 +102,26 @@ float4 main() : sv_target
[test] uniform 0 float4 -1.0 0.0 0.0 0.0 -todo(sm<6) draw quad +todo(sm<4) draw quad probe all rgba (-0.785409629, 0.0, 0.0, 0.0) 512
uniform 0 float4 -0.5 0.0 0.0 0.0 -todo(sm<6) draw quad +todo(sm<4) draw quad probe all rgba (-0.4636476, 0.0, 0.0, 0.0) 256
uniform 0 float4 0.0 0.0 0.0 0.0 -todo(sm<6) draw quad +todo(sm<4) draw quad probe all rgba (0.0, 0.0, 0.0, 0.0) 256
uniform 0 float4 0.5 0.0 0.0 0.0 -todo(sm<6) draw quad +todo(sm<4) draw quad probe all rgba (0.4636476, 0.0, 0.0, 0.0) 256
uniform 0 float4 1.0 0.0 0.0 0.0 -todo(sm<6) draw quad +todo(sm<4) draw quad probe all rgba (0.785409629, 0.0, 0.0, 0.0) 512
-[pixel shader todo] +[pixel shader todo(sm<4)] uniform float4 a;
float4 main() : sv_target @@ -133,64 +133,64 @@ float4 main() : sv_target [test] % Non-degenerate cases uniform 0 float4 1.0 1.0 0.0 0.0 -todo(sm<6) draw quad +todo(sm<4) draw quad probe all rgba (0.785385, 0.0, 0.0, 0.0) 512
uniform 0 float4 5.0 -5.0 0.0 0.0 -todo(sm<6) draw quad +todo(sm<4) draw quad probe all rgba (2.356194, 0.0, 0.0, 0.0) 256
uniform 0 float4 -3.0 -3.0 0.0 0.0 -todo(sm<6) draw quad +todo(sm<4) draw quad probe all rgba (-2.356194, 0.0, 0.0, 0.0) 256
uniform 0 float4 1.0 0.0 0.0 0.0 -todo(sm<6) draw quad +todo(sm<4) draw quad probe all rgba (1.570796, 0.0, 0.0, 0.0) 256
uniform 0 float4 -1.0 0.0 0.0 0.0 -todo(sm<6) draw quad +todo(sm<4) draw quad probe all rgba (-1.570796, 0.0, 0.0, 0.0) 256
uniform 0 float4 0.0 1.0 0.0 0.0 -todo(sm<6) draw quad +todo(sm<4) draw quad probe all rgba (0.0, 0.0, 0.0, 0.0) 256
uniform 0 float4 0.0 -1.0 0.0 0.0 -todo(sm<6) draw quad +todo(sm<4) draw quad probe all rgba (3.1415927, 0.0, 0.0, 0.0) 256
% Degenerate cases uniform 0 float4 0.00001 0.00002 0.0 0.0 -todo(sm<6) draw quad +todo(sm<4) draw quad probe all rgba (0.463647, 0.0, 0.0, 0.0) 256
uniform 0 float4 0.00001 -0.00002 0.0 0.0 -todo(sm<6) draw quad +todo(sm<4) draw quad probe all rgba (2.677945, 0.0, 0.0, 0.0) 256
uniform 0 float4 -0.00001 100000.0 0.0 0.0 -todo(sm<6) draw quad +todo(sm<4) draw quad probe all rgba (-0.000000000099986595, 0.0, 0.0, 0.0) 2048
uniform 0 float4 10000000.0 0.00000001 0.0 0.0 -todo(sm<6) draw quad +todo(sm<4) draw quad probe all rgba (1.570796, 0.0, 0.0, 0.0) 256
% Negative zero behavior should be to treat it the % same as normal zero. uniform 0 float4 1000000000.0 0.0 0.0 0.0 -todo(sm<6) draw quad +todo(sm<4) draw quad probe all rgba (1.570796, 0.0, 0.0, 0.0) 256
uniform 0 float4 1000000000.0 -0.0 0.0 0.0 -todo(sm<6) draw quad +todo(sm<4) draw quad probe all rgba (1.570796, 0.0, 0.0, 0.0) 256
uniform 0 float4 0.0 -1.0 0.0 0.0 -todo(sm<6) draw quad +todo(sm<4) draw quad probe all rgba (3.1415927, 0.0, 0.0, 0.0) 256
uniform 0 float4 -0.0 -1.0 0.0 0.0 -todo(sm<6) draw quad +todo(sm<4) draw quad probe all rgba (3.1415927, 0.0, 0.0, 0.0) 256