#[allow(unused_imports)]
use rafx_api::RafxResult;
#[allow(unused_imports)]
use crate::{
DescriptorSetAllocator, DescriptorSetArc, DescriptorSetBindings, DescriptorSetInitializer,
DescriptorSetWriter, DescriptorSetWriterContext, DynDescriptorSet, ImageViewResource,
ResourceArc,
};
#[derive(Copy, Clone, Debug)]
#[repr(C)]
pub struct ConfigStd140 {
pub src_uv_min: [f32; 2], pub src_uv_max: [f32; 2], }
impl Default for ConfigStd140 {
fn default() -> Self {
ConfigStd140 {
src_uv_min: <[f32; 2]>::default(),
src_uv_max: <[f32; 2]>::default(),
}
}
}
pub type ConfigUniform = ConfigStd140;
pub const SMP_DESCRIPTOR_SET_INDEX: usize = 0;
pub const SMP_DESCRIPTOR_BINDING_INDEX: usize = 0;
pub const SRC_TEX_DESCRIPTOR_SET_INDEX: usize = 0;
pub const SRC_TEX_DESCRIPTOR_BINDING_INDEX: usize = 1;
pub const CONFIG_DESCRIPTOR_SET_INDEX: usize = 0;
pub const CONFIG_DESCRIPTOR_BINDING_INDEX: usize = 2;
pub struct DescriptorSet0Args<'a> {
pub src_tex: &'a ResourceArc<ImageViewResource>,
pub config: &'a ConfigUniform,
}
impl<'a> DescriptorSetInitializer<'a> for DescriptorSet0Args<'a> {
type Output = DescriptorSet0;
fn create_dyn_descriptor_set(
descriptor_set: DynDescriptorSet,
args: Self,
) -> Self::Output {
let mut descriptor = DescriptorSet0(descriptor_set);
descriptor.set_args(args);
descriptor
}
fn create_descriptor_set(
descriptor_set_allocator: &mut DescriptorSetAllocator,
descriptor_set: DynDescriptorSet,
args: Self,
) -> RafxResult<DescriptorSetArc> {
let mut descriptor = Self::create_dyn_descriptor_set(descriptor_set, args);
descriptor.0.flush(descriptor_set_allocator)?;
Ok(descriptor.0.descriptor_set().clone())
}
}
impl<'a> DescriptorSetWriter<'a> for DescriptorSet0Args<'a> {
fn write_to(
descriptor_set: &mut DescriptorSetWriterContext,
args: Self,
) {
descriptor_set.set_image(SRC_TEX_DESCRIPTOR_BINDING_INDEX as u32, args.src_tex);
descriptor_set.set_buffer_data(CONFIG_DESCRIPTOR_BINDING_INDEX as u32, args.config);
}
}
pub struct DescriptorSet0(pub DynDescriptorSet);
impl DescriptorSet0 {
pub fn set_args_static(
descriptor_set: &mut DynDescriptorSet,
args: DescriptorSet0Args,
) {
descriptor_set.set_image(SRC_TEX_DESCRIPTOR_BINDING_INDEX as u32, args.src_tex);
descriptor_set.set_buffer_data(CONFIG_DESCRIPTOR_BINDING_INDEX as u32, args.config);
}
pub fn set_args(
&mut self,
args: DescriptorSet0Args,
) {
self.set_src_tex(args.src_tex);
self.set_config(args.config);
}
pub fn set_src_tex(
&mut self,
src_tex: &ResourceArc<ImageViewResource>,
) {
self.0
.set_image(SRC_TEX_DESCRIPTOR_BINDING_INDEX as u32, src_tex);
}
pub fn set_config(
&mut self,
config: &ConfigUniform,
) {
self.0
.set_buffer_data(CONFIG_DESCRIPTOR_BINDING_INDEX as u32, config);
}
pub fn flush(
&mut self,
descriptor_set_allocator: &mut DescriptorSetAllocator,
) -> RafxResult<()> {
self.0.flush(descriptor_set_allocator)
}
}
#[cfg(test)]
mod test {
use super::*;
#[test]
fn test_struct_config_std140() {
assert_eq!(std::mem::size_of::<ConfigStd140>(), 16);
assert_eq!(std::mem::size_of::<[f32; 2]>(), 8);
assert_eq!(std::mem::align_of::<[f32; 2]>(), 4);
assert_eq!(memoffset::offset_of!(ConfigStd140, src_uv_min), 0);
assert_eq!(std::mem::size_of::<[f32; 2]>(), 8);
assert_eq!(std::mem::align_of::<[f32; 2]>(), 4);
assert_eq!(memoffset::offset_of!(ConfigStd140, src_uv_max), 8);
}
}