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gpu: handle resize events in example (fixes Vulkan crash on resize)

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Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst 2021-12-01 10:18:03 +00:00
parent 8f3726dfa2
commit fd0eeb2662
1 changed files with 14 additions and 0 deletions
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14
gpu/src/dawn/hello_triangle.zig
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@ -108,6 +108,20 @@ pub fn main() !void {
c.wgpuShaderModuleRelease(vs_module);
c.wgpuShaderModuleRelease(fs_module);
// Reconfigure the swap chain with the new framebuffer width/height, otherwise e.g. the Vulkan
// device would be lost after a resize.
const CallbackPayload = struct {
swap_chain: c.WGPUSwapChain,
swap_chain_format: c.WGPUTextureFormat,
};
setup.window.setUserPointer(CallbackPayload, &.{ .swap_chain = swap_chain, .swap_chain_format = swap_chain_format });
setup.window.setFramebufferSizeCallback((struct {
fn callback(window: glfw.Window, width: isize, height: isize) void {
const pl = window.getUserPointer(*CallbackPayload);
c.wgpuSwapChainConfigure(pl.?.swap_chain, pl.?.swap_chain_format, c.WGPUTextureUsage_RenderAttachment, @intCast(u32, width), @intCast(u32, height));
}
}).callback);
while (!setup.window.shouldClose()) {
try frame(.{
.device = setup.device,