kbz_8/SPIRV-Interpreter
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fixing shader execution
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kbz_8
2026-01-24 15:18:57 +01:00
parent 96ad7f12f9
commit dbf963a3c9
12 changed files with 118 additions and 91 deletions
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15
src/opcodes.zig
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@@ -1,5 +1,6 @@
const std = @import("std");
const spv = @import("spv.zig");
const zm = @import("zmath");
const GLSL_std_450 = @import("GLSL_std_450/opcodes.zig");
@@ -1141,14 +1142,14 @@ fn opDot(_: std.mem.Allocator, _: SpvWord, rt: *Runtime) RuntimeError!void {
else => return RuntimeError.InvalidSpirV,
}
},
.Vector4f32 => |*vec| inline for (0..4) |i| {
value.Float.float32 += vec[i] * op2_value.Vector4f32[i];
.Vector4f32 => |vec| value.Float.float32 = zm.dot4(vec, op2_value.Vector4f32)[0],
.Vector3f32 => |vec| {
const op2_vec = op2_value.Vector3f32;
value.Float.float32 = zm.dot3(zm.f32x4(vec[0], vec[1], vec[2], 0.0), zm.f32x4(op2_vec[0], op2_vec[1], op2_vec[2], 0.0))[0];
},
.Vector3f32 => |*vec| inline for (0..3) |i| {
value.Float.float32 += vec[i] * op2_value.Vector3f32[i];
},
.Vector2f32 => |*vec| inline for (0..2) |i| {
value.Float.float32 += vec[i] * op2_value.Vector2f32[i];
.Vector2f32 => |vec| {
const op2_vec = op2_value.Vector2f32;
value.Float.float32 = zm.dot2(zm.f32x4(vec[0], vec[1], 0.0, 0.0), zm.f32x4(op2_vec[0], op2_vec[1], 0.0, 0.0))[0];
},
else => return RuntimeError.InvalidSpirV,
}