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Base for cross platform surface creation

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This commit is contained in:
maik klein 2016-12-09 17:02:36 +01:00
parent 3f116eabe8
commit 72f85fc77f
1 changed files with 38 additions and 12 deletions
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50
examples/src/main.rs
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@ -19,6 +19,31 @@ use std::path::Path;
use std::fs::File; use std::fs::File;
use std::io::Read; use std::io::Read;
// Simple offset_of macro akin to C++ offsetof
macro_rules! offset_of{
($base: path, $field: ident) => {
unsafe{
let b: $base = mem::uninitialized();
(&b.$field as *const _ as isize) - (&b as *const _ as isize)
}
}
}
// Cross platform surface creation with GLFW
#[cfg(all(unix, not(target_os = "android")))]
fn create_surface(instance: &Instance, window: &Window) -> Result<vk::SurfaceKHR, vk::Result> {
let x11_display = window.glfw.get_x11_display();
let x11_window = window.get_x11_window();
let x11_create_info = vk::XlibSurfaceCreateInfoKHR {
s_type: vk::StructureType::XlibSurfaceCreateInfoKhr,
p_next: ptr::null(),
flags: Default::default(),
window: x11_window as vk::Window,
dpy: x11_display as *mut vk::Display,
};
instance.create_xlib_surface_khr(&x11_create_info)
}
unsafe extern "system" fn vulkan_debug_callback(flags: vk::DebugReportFlagsEXT, unsafe extern "system" fn vulkan_debug_callback(flags: vk::DebugReportFlagsEXT,
obj_type: vk::DebugReportObjectTypeEXT, obj_type: vk::DebugReportObjectTypeEXT,
obj: u64, obj: u64,
@ -116,16 +141,17 @@ fn main() {
p_user_data: ptr::null_mut(), p_user_data: ptr::null_mut(),
}; };
let debug_call_back = instance.create_debug_report_callback_ext(&debug_info).unwrap(); let debug_call_back = instance.create_debug_report_callback_ext(&debug_info).unwrap();
let x11_display = window.glfw.get_x11_display(); //let x11_display = window.glfw.get_x11_display();
let x11_window = window.get_x11_window(); //let x11_window = window.get_x11_window();
let x11_create_info = vk::XlibSurfaceCreateInfoKHR { //let x11_create_info = vk::XlibSurfaceCreateInfoKHR {
s_type: vk::StructureType::XlibSurfaceCreateInfoKhr, // s_type: vk::StructureType::XlibSurfaceCreateInfoKhr,
p_next: ptr::null(), // p_next: ptr::null(),
flags: Default::default(), // flags: Default::default(),
window: x11_window as vk::Window, // window: x11_window as vk::Window,
dpy: x11_display as *mut vk::Display, // dpy: x11_display as *mut vk::Display,
}; //};
let surface = instance.create_xlib_surface_khr(&x11_create_info).unwrap(); //let surface = instance.create_xlib_surface_khr(&x11_create_info).unwrap();
let surface = create_surface(&instance, &window).unwrap();
let pdevices = instance.enumerate_physical_devices().expect("Physical device error"); let pdevices = instance.enumerate_physical_devices().expect("Physical device error");
let (pdevice, queue_family_index) = pdevices.iter() let (pdevice, queue_family_index) = pdevices.iter()
.map(|pdevice| { .map(|pdevice| {
@ -631,13 +657,13 @@ fn main() {
location: 0, location: 0,
binding: 0, binding: 0,
format: vk::Format::R32g32b32a32Sfloat, format: vk::Format::R32g32b32a32Sfloat,
offset: 0, offset: offset_of!(Vertex, pos) as u32,
}, },
vk::VertexInputAttributeDescription { vk::VertexInputAttributeDescription {
location: 1, location: 1,
binding: 0, binding: 0,
format: vk::Format::R32g32b32a32Sfloat, format: vk::Format::R32g32b32a32Sfloat,
offset: mem::size_of::<[f32; 4]>() as u32, offset: offset_of!(Vertex, color) as u32,
}]; }];
let vertex_input_state_info = vk::PipelineVertexInputStateCreateInfo { let vertex_input_state_info = vk::PipelineVertexInputStateCreateInfo {
s_type: vk::StructureType::PipelineVertexInputStateCreateInfo, s_type: vk::StructureType::PipelineVertexInputStateCreateInfo,