119 lines
3.3 KiB
Zig
119 lines
3.3 KiB
Zig
const std = @import("std");
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const root = @import("root.zig");
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const compileNzsl = root.compileNzsl;
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const case = root.case;
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test "Primitives casts" {
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const allocator = std.testing.allocator;
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const types = [_][2]type{
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[2]type{ f32, u32 },
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[2]type{ f32, i32 },
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[2]type{ u32, f32 },
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[2]type{ i32, f32 },
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[2]type{ f32, f64 },
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[2]type{ f64, f32 },
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[2]type{ f64, u32 },
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[2]type{ f64, i32 },
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[2]type{ u32, f64 },
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[2]type{ i32, f64 },
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};
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inline for (types) |T| {
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const base = case.random(T[0]);
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const expected = std.math.lossyCast(T[1], base);
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const shader = try std.fmt.allocPrint(
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allocator,
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\\ [nzsl_version("1.1")]
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\\ [feature(float64)]
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\\ module;
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\\
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\\ struct FragOut
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\\ {{
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\\ [location(0)] color: vec4[{s}]
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\\ }}
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\\
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\\ [entry(frag)]
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\\ fn main() -> FragOut
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\\ {{
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\\ let base = {s}({d});
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\\ let color = {s}(base);
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\\
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\\ let output: FragOut;
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\\ output.color = vec4[{s}](color, color, color, color);
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\\ return output;
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\\ }}
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,
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.{
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@typeName(T[1]),
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@typeName(T[0]),
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base,
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@typeName(T[1]),
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@typeName(T[1]),
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},
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);
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defer allocator.free(shader);
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const code = try compileNzsl(allocator, shader);
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defer allocator.free(code);
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try case.expect(.{
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.source = code,
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.expected_outputs = &.{
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std.mem.asBytes(&[_]T[1]{ expected, expected, expected, expected }),
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},
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});
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}
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}
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test "Primitives bitcasts" {
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const allocator = std.testing.allocator;
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const types = [_][2]type{
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[2]type{ u32, i32 },
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[2]type{ i32, u32 },
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};
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inline for (types) |T| {
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const base = case.random(T[0]);
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const expected = @as(T[1], @bitCast(base));
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const shader = try std.fmt.allocPrint(
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allocator,
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\\ [nzsl_version("1.1")]
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\\ [feature(float64)]
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\\ module;
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\\
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\\ struct FragOut
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\\ {{
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\\ [location(0)] color: vec4[{s}]
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\\ }}
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\\
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\\ [entry(frag)]
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\\ fn main() -> FragOut
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\\ {{
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\\ let base = {s}({d});
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\\ let color = {s}(base);
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\\
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\\ let output: FragOut;
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\\ output.color = vec4[{s}](color, color, color, color);
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\\ return output;
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\\ }}
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,
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.{
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@typeName(T[1]),
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@typeName(T[0]),
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base,
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@typeName(T[1]),
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@typeName(T[1]),
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},
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);
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defer allocator.free(shader);
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const code = try compileNzsl(allocator, shader);
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defer allocator.free(code);
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try case.expect(.{
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.source = code,
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.expected_outputs = &.{
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std.mem.asBytes(&[_]T[1]{ expected, expected, expected, expected }),
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},
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});
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}
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}
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