53 lines
1.6 KiB
Zig
53 lines
1.6 KiB
Zig
const std = @import("std");
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const vk = @import("vulkan");
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const base = @import("base");
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const cmd = base.commands;
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const VkError = base.VkError;
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const Self = @This();
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pub fn init() Self {
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return .{};
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}
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pub fn deinit(self: *Self) void {
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_ = self;
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}
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pub fn dispatch(self: *Self, command: *const cmd.Command) VkError!void {
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_ = self;
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switch (command.*) {
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.CopyBuffer => |data| try copyBuffer(&data),
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.FillBuffer => |data| try fillBuffer(&data),
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else => {},
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}
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}
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fn copyBuffer(data: *const cmd.CommandCopyBuffer) VkError!void {
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for (data.regions) |region| {
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const src_memory = if (data.src.memory) |memory| memory else return VkError.ValidationFailed;
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const dst_memory = if (data.dst.memory) |memory| memory else return VkError.ValidationFailed;
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const src_map: []u8 = @as([*]u8, @ptrCast(try src_memory.map(region.src_offset, region.size)))[0..region.size];
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const dst_map: []u8 = @as([*]u8, @ptrCast(try dst_memory.map(region.dst_offset, region.size)))[0..region.size];
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@memcpy(dst_map, src_map);
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src_memory.unmap();
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dst_memory.unmap();
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}
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}
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fn fillBuffer(data: *const cmd.CommandFillBuffer) VkError!void {
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const memory = if (data.buffer.memory) |memory| memory else return VkError.ValidationFailed;
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const raw_memory_map: [*]u32 = @ptrCast(@alignCast(try memory.map(data.offset, data.size)));
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var memory_map: []u32 = raw_memory_map[0..data.size];
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for (0..@divExact(data.size, @sizeOf(u32))) |i| {
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memory_map[i] = data.data;
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}
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memory.unmap();
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}
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