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examples: zig fmt

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Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst 2022-04-20 23:01:30 -07:00
parent 3b86aa08cc
commit 8137f1a914
1 changed files with 42 additions and 50 deletions
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34
examples/boids/main.zig
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@ -1,6 +1,5 @@
/// A port of Austin Eng's "computeBoids" webgpu sample. /// A port of Austin Eng's "computeBoids" webgpu sample.
/// https://github.com/austinEng/webgpu-samples/blob/main/src/sample/computeBoids/main.ts /// https://github.com/austinEng/webgpu-samples/blob/main/src/sample/computeBoids/main.ts
const std = @import("std"); const std = @import("std");
const mach = @import("mach"); const mach = @import("mach");
const gpu = @import("gpu"); const gpu = @import("gpu");
@ -90,23 +89,17 @@ pub fn main() !void {
}, },
}, },
}, },
.fragment = &gpu.FragmentState{ .fragment = &gpu.FragmentState{ .module = sprite_shader_module, .entry_point = "frag_main", .targets = &[_]gpu.ColorTargetState{
.module = sprite_shader_module,
.entry_point = "frag_main",
.targets = &[_]gpu.ColorTargetState{
.{ .{
.format = app.swap_chain_format, .format = app.swap_chain_format,
}, },
} } },
},
}); });
const compute_pipeline = app.device.createComputePipeline(&gpu.ComputePipeline.Descriptor{ const compute_pipeline = app.device.createComputePipeline(&gpu.ComputePipeline.Descriptor{ .compute = gpu.ProgrammableStageDescriptor{
.compute = gpu.ProgrammableStageDescriptor{
.module = update_sprite_shader_module, .module = update_sprite_shader_module,
.entry_point = "main", .entry_point = "main",
} } });
});
const vert_buffer_data = [_]f32{ const vert_buffer_data = [_]f32{
-0.01, -0.02, 0.01, -0.01, -0.02, 0.01,
@ -141,7 +134,11 @@ pub fn main() !void {
i = 0; i = 0;
while (i < 2) : (i += 1) { while (i < 2) : (i += 1) {
particle_buffers[i] = app.device.createBuffer(&gpu.Buffer.Descriptor{ particle_buffers[i] = app.device.createBuffer(&gpu.Buffer.Descriptor{
.usage = .{.vertex = true, .copy_dst = true, .storage = true, }, .usage = .{
.vertex = true,
.copy_dst = true,
.storage = true,
},
.size = initial_particle_data.len * @sizeOf(f32), .size = initial_particle_data.len * @sizeOf(f32),
}); });
app.device.getQueue().writeBuffer(particle_buffers[i], 0, f32, &initial_particle_data); app.device.getQueue().writeBuffer(particle_buffers[i], 0, f32, &initial_particle_data);
@ -149,14 +146,11 @@ pub fn main() !void {
i = 0; i = 0;
while (i < 2) : (i += 1) { while (i < 2) : (i += 1) {
particle_bind_groups[i] = app.device.createBindGroup(&gpu.BindGroup.Descriptor{ particle_bind_groups[i] = app.device.createBindGroup(&gpu.BindGroup.Descriptor{ .layout = compute_pipeline.getBindGroupLayout(0), .entries = &[_]gpu.BindGroup.Entry{
.layout = compute_pipeline.getBindGroupLayout(0),
.entries = &[_]gpu.BindGroup.Entry {
gpu.BindGroup.Entry.buffer(0, sim_param_buffer, 0, sim_params.len * @sizeOf(f32)), gpu.BindGroup.Entry.buffer(0, sim_param_buffer, 0, sim_params.len * @sizeOf(f32)),
gpu.BindGroup.Entry.buffer(1, particle_buffers[i], 0, initial_particle_data.len * @sizeOf(f32)), gpu.BindGroup.Entry.buffer(1, particle_buffers[i], 0, initial_particle_data.len * @sizeOf(f32)),
gpu.BindGroup.Entry.buffer(2, particle_buffers[(i + 1) % 2], 0, initial_particle_data.len * @sizeOf(f32)), gpu.BindGroup.Entry.buffer(2, particle_buffers[(i + 1) % 2], 0, initial_particle_data.len * @sizeOf(f32)),
} } });
});
} }
ctx.* = FrameParams{ ctx.* = FrameParams{
@ -182,11 +176,9 @@ fn frame(app: *App, params: *FrameParams) !void {
.store_op = .store, .store_op = .store,
}; };
const render_pass_descriptor = gpu.RenderPassEncoder.Descriptor{ const render_pass_descriptor = gpu.RenderPassEncoder.Descriptor{ .color_attachments = &[_]gpu.RenderPassColorAttachment{
.color_attachments = &[_]gpu.RenderPassColorAttachment {
color_attachment, color_attachment,
} } };
};
sim_params[0] = @floatCast(f32, app.delta_time); sim_params[0] = @floatCast(f32, app.delta_time);
app.device.getQueue().writeBuffer(params.sim_param_buffer, 0, f32, &sim_params); app.device.getQueue().writeBuffer(params.sim_param_buffer, 0, f32, &sim_params);