42 lines
1.4 KiB
Zig
42 lines
1.4 KiB
Zig
const std = @import("std");
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const spv = @import("spv");
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const shader_source = @embedFile("shader.spv");
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pub fn main() !void {
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{
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var gpa: std.heap.DebugAllocator(.{
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.enable_memory_limit = true,
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}) = .init;
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defer _ = gpa.deinit();
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const allocator = gpa.allocator();
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var module = try spv.Module.init(allocator, @ptrCast(@alignCast(shader_source)), .{});
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defer module.deinit(allocator);
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var rt = try spv.Runtime.init(allocator, &module);
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defer rt.deinit(allocator);
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const entry = try rt.getEntryPointByName("main");
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const color = try rt.getResultByName("color");
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const time = try rt.getResultByName("time");
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const pos = try rt.getResultByName("pos");
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const res = try rt.getResultByName("res");
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var output: [4]f32 = undefined;
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try rt.writeInput(f32, &.{@as(f32, @floatFromInt(std.time.milliTimestamp()))}, time);
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try rt.writeInput(f32, &.{ 1250.0, 720.0 }, res);
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try rt.writeInput(f32, &.{ 0.0, 0.0 }, pos);
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try rt.callEntryPoint(allocator, entry);
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try rt.readOutput(f32, output[0..output.len], color);
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std.log.info("Output: Vec4{any}", .{output});
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std.log.info("\nTotal memory used: {d:.3} KB\n", .{@as(f32, @floatFromInt(gpa.total_requested_bytes)) / 1000.0});
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}
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std.log.info("Successfully executed", .{});
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}
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