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examples: fix depth texture recreation

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PiergiorgioZagaria 2022-05-18 21:54:04 +02:00 • committed by Stephen Gutekanst
parent 3bb45c75a1
commit a4e8de2a83
3 changed files with 67 additions and 61 deletions
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27
examples/fractal-cube/main.zig
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@ -30,6 +30,7 @@ vertex_buffer: gpu.Buffer,
uniform_buffer: gpu.Buffer,
bind_group: gpu.BindGroup,
depth_texture: ?gpu.Texture,
depth_texture_view: gpu.TextureView,
cube_texture: gpu.Texture,
cube_texture_view: gpu.TextureView,
cube_texture_render: gpu.Texture,
@ -200,6 +201,7 @@ pub fn init(app: *App, engine: *mach.Engine) !void {
app.uniform_buffer = uniform_buffer;
app.bind_group = bind_group;
app.depth_texture = null;
app.depth_texture_view = undefined;
app.cube_texture = cube_texture;
app.cube_texture_view = cube_texture_view;
app.cube_texture_render = cube_texture_render;
@ -223,6 +225,7 @@ pub fn deinit(app: *App, _: *mach.Engine) void {
app.cube_texture_view_render.release();
app.bind_group.release();
app.depth_texture.?.release();
app.depth_texture_view.release();
}
pub fn update(app: *App, engine: *mach.Engine) !bool {
@ -245,12 +248,7 @@ pub fn update(app: *App, engine: *mach.Engine) !bool {
};
const depth_stencil_attachment = gpu.RenderPassDepthStencilAttachment{
.view = app.depth_texture.?.createView(&gpu.TextureView.Descriptor{
.format = .depth24_plus,
.dimension = .dimension_2d,
.array_layer_count = 1,
.mip_level_count = 1,
}),
.view = app.depth_texture_view,
.depth_load_op = .clear,
.depth_store_op = .store,
.depth_clear_value = 1.0,
@ -347,6 +345,14 @@ pub fn resize(app: *App, engine: *mach.Engine, width: u32, height: u32) !void {
.format = engine.gpu_driver.swap_chain_format,
});
app.depth_texture_view.release();
app.depth_texture_view = app.depth_texture.?.createView(&gpu.TextureView.Descriptor{
.format = .depth24_plus,
.dimension = .dimension_2d,
.array_layer_count = 1,
.mip_level_count = 1,
});
app.cube_texture_view.release();
app.cube_texture_view = app.cube_texture.createView(&gpu.TextureView.Descriptor{
.format = engine.gpu_driver.swap_chain_format,
@ -374,11 +380,16 @@ pub fn resize(app: *App, engine: *mach.Engine, width: u32, height: u32) !void {
},
);
} else {
// The first time resize is called, width and height are set to 0
app.depth_texture = engine.gpu_driver.device.createTexture(&gpu.Texture.Descriptor{
.usage = .{ .render_attachment = true },
.size = .{ .width = engine.gpu_driver.current_desc.width, .height = engine.gpu_driver.current_desc.height },
.size = .{ .width = width, .height = height },
.format = .depth24_plus,
});
app.depth_texture_view = app.depth_texture.?.createView(&gpu.TextureView.Descriptor{
.format = .depth24_plus,
.dimension = .dimension_2d,
.array_layer_count = 1,
.mip_level_count = 1,
});
}
}