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use super::d3d12;
use crate::dx12::RafxDeviceContextDx12;
use crate::{
RafxComputePipelineDef, RafxImmutableSamplerKey, RafxImmutableSamplers, RafxPipeline,
RafxResourceType, RafxResult, RafxRootSignature, RafxRootSignatureDef, RafxSampler,
RafxSamplerDef, RafxShader, RafxShaderModule, RafxShaderModuleDefDx12, RafxShaderResource,
RafxShaderStageDef, RafxShaderStageFlags, RafxShaderStageReflection,
};
pub struct Dx12MipmapResources {
//pub shader: RafxShader,
//pub root_signature: RafxRootSignature,
//pub pipeline: RafxPipeline
pub root_signature: d3d12::ID3D12RootSignature,
pub pipeline: d3d12::ID3D12PipelineState,
}
impl Dx12MipmapResources {
pub fn new(dx12_device_context: &RafxDeviceContextDx12) -> RafxResult<Self> {
let generate_mips_shader_src = include_str!("../shaders/GenerateMipsCS.hlsl");
//let d3d_device = dx12_device_context.d3d12_device();
//
// Compile the shader
//
let mut bytecode = hassle_rs::compile_hlsl(
"GenerateMipsCS.hlsl",
generate_mips_shader_src,
"main",
"cs_6_0",
&["/Zi"],
&[],
)?;
hassle_rs::fake_sign_dxil_in_place(&mut bytecode);
let dxc = hassle_rs::Dxc::new(None).unwrap();
let library = dxc.create_library().unwrap();
let blob_encoding = library.create_blob_with_encoding(&bytecode).unwrap();
let blob: hassle_rs::DxcBlob = blob_encoding.into();
let root_signature: d3d12::ID3D12RootSignature = unsafe {
dx12_device_context
.d3d12_device()
.CreateRootSignature(0, blob.as_ref())
.unwrap()
};
unsafe {
root_signature
.SetName(windows::w!("MipmapRootSignature"))
.unwrap();
}
let shader_bytecode = d3d12::D3D12_SHADER_BYTECODE {
pShaderBytecode: bytecode.as_ptr() as *const std::ffi::c_void,
BytecodeLength: bytecode.len(),
};
let pipeline_state_desc = d3d12::D3D12_COMPUTE_PIPELINE_STATE_DESC {
pRootSignature: ::windows::core::ManuallyDrop::none(),
CS: shader_bytecode,
CachedPSO: Default::default(),
Flags: d3d12::D3D12_PIPELINE_STATE_FLAG_NONE,
NodeMask: 0,
};
let pipeline: d3d12::ID3D12PipelineState = unsafe {
dx12_device_context
.d3d12_device()
.CreateComputePipelineState(&pipeline_state_desc)?
};
unsafe {
pipeline.SetName(windows::w!("MipmapPipeline")).unwrap();
}
//let dxc = hassle_rs::Dxc::new(None).unwrap();
//let library = dxc.create_library().unwrap();
// let blob_encoding = library.create_blob_with_encoding_from_str(generate_mips_shader_src).unwrap();
// let blob: hassle_rs::DxcBlob = blob_encoding.into();
// let root_signature: d3d12::ID3D12RootSignature = unsafe {
// dx12_device_context.d3d12_device().CreateRootSignature(0, blob.as_ref()).unwrap()
// };
//pipeline.
//
// Create the sampler
//
// let sampler_desc = d3d12::D3D12_SAMPLER_DESC {
// Filter: d3d12::D3D12_FILTER_COMPARISON_MIN_MAG_MIP_LINEAR,
// AddressU: d3d12::D3D12_TEXTURE_ADDRESS_MODE_CLAMP,
// AddressV: d3d12::D3D12_TEXTURE_ADDRESS_MODE_CLAMP,
// AddressW: d3d12::D3D12_TEXTURE_ADDRESS_MODE_CLAMP,
// MipLODBias: 0.0,
// MaxAnisotropy: 1,
// ComparisonFunc: d3d12::D3D12_COMPARISON_FUNC_NEVER,
// BorderColor: [0.0, 0.0, 0.0, 0.0],
// MinLOD: 0.0,
// MaxLOD: f32::MAX,
// };
// let sampler_heap = &dx12_device_context.inner.heaps.sampler_heap;
// let sampler_descriptor = dx12_device_context
// .inner
// .heaps
// .sampler_heap
// .allocate(dx12_device_context.d3d12_device(), 1)?;
// unsafe {
// dx12_device_context.d3d12_device().CreateSampler(
// &sampler_desc,
// sampler_heap.id_to_cpu_handle(sampler_descriptor),
// )
// };
//
// Create the root signature
//
//
// Set up immutable descriptors
//
//
// Root params
//
/*
let mut root_params = Vec::default();
let mut root_param = d3d12::D3D12_ROOT_PARAMETER1::default();
root_param.ParameterType = d3d12::D3D12_ROOT_PARAMETER_TYPE_32BIT_CONSTANTS;
root_param.ShaderVisibility = resource.used_in_shader_stages.into();
root_param.Anonymous.Constants.RegisterSpace = resource.dx12_space.unwrap();
root_param.Anonymous.Constants.ShaderRegister = resource.dx12_reg.unwrap();
root_param.Anonymous.Constants.Num32BitValues =
rafx_base::memory::round_size_up_to_alignment_u32(resource.size_in_bytes, 4)
/ 4;
root_params.push(root_param);
//
// Make the root signature
//
let mut root_sig_desc = d3d12::D3D12_VERSIONED_ROOT_SIGNATURE_DESC::default();
root_sig_desc.Version = d3d12::D3D_ROOT_SIGNATURE_VERSION_1_1;
if !root_params.is_empty() {
root_sig_desc.Anonymous.Desc_1_1.NumParameters = root_params.len() as u32;
root_sig_desc.Anonymous.Desc_1_1.pParameters = &root_params[0];
}
if !static_samplers.is_empty() {
root_sig_desc.Anonymous.Desc_1_1.NumStaticSamplers = static_samplers.len() as u32;
root_sig_desc.Anonymous.Desc_1_1.pStaticSamplers = &static_samplers[0];
}
root_sig_desc.Anonymous.Desc_1_1.Flags = root_signature_flags;
let mut root_sig_string = None;
let mut root_sig_error = None;
let dx12_root_signature: d3d12::ID3D12RootSignature = unsafe {
let result = d3d12::D3D12SerializeVersionedRootSignature(
&root_sig_desc,
&mut root_sig_string,
Some(&mut root_sig_error),
);
if let Some(root_sig_error) = &root_sig_error {
let str_slice = std::slice::from_raw_parts(
root_sig_error.GetBufferPointer() as *const u8,
root_sig_error.GetBufferSize(),
);
let str = String::from_utf8_lossy(str_slice);
println!("root sig error {}", str);
Err(str.to_string())?;
}
result?;
let root_sig_string = root_sig_string.unwrap();
let sig_string: &[u8] = std::slice::from_raw_parts(
root_sig_string.GetBufferPointer() as *const u8,
root_sig_string.GetBufferSize(),
);
let str = String::from_utf8_lossy(sig_string);
println!("root sig {}", str);
device_context
.d3d12_device()
.CreateRootSignature(0, sig_string)?
};
*/
//
// Create the pipeline
//
//let mut root_sig_disc = super::d3d12::D3D12_ROOT_SIGNATURE_DESC::default();
//root_sig_disc.
//d3d_device.CreateCommandSignature()
/*
const GENERATE_MIPS_SAMPLER_BINDING: u32 = 0;
const GENERATE_MIPS_SRC_MIP_BINDING: u32 = 1;
const GENERATE_MIPS_DST_MIP_BINDING: u32 = 2;
let shader_module = RafxShaderModule::Dx12(dx12_device_context.create_shader_module(RafxShaderModuleDefDx12::HlslSrc(generate_mips_shader_src))?);
let shader = RafxShader::Dx12(dx12_device_context.create_shader(vec![RafxShaderStageDef {
shader_module,
reflection: RafxShaderStageReflection {
entry_point_name: "main".to_string(),
shader_stage: RafxShaderStageFlags::COMPUTE,
compute_threads_per_group: Some([8, 8, 1]),
resources: vec![
RafxShaderResource {
name: Some("CBuffer".to_string()),
resource_type: RafxResourceType::ROOT_CONSTANT,
set_index: u32::MAX,
binding: u32::MAX,
element_count: 0,
size_in_bytes: 16,
used_in_shader_stages: RafxShaderStageFlags::COMPUTE,
dx12_reg: Some(0),
dx12_space: Some(0),
..Default::default()
},
RafxShaderResource {
name: Some("BilinearClamp".to_string()),
resource_type: RafxResourceType::SAMPLER,
set_index: 0,
binding: GENERATE_MIPS_SAMPLER_BINDING,
element_count: 1,
size_in_bytes: 0,
used_in_shader_stages: RafxShaderStageFlags::COMPUTE,
dx12_reg: Some(0),
dx12_space: Some(0),
..Default::default()
},
RafxShaderResource {
name: Some("SrcMip".to_string()),
resource_type: RafxResourceType::TEXTURE,
set_index: 0,
binding: GENERATE_MIPS_SRC_MIP_BINDING,
element_count: 1,
size_in_bytes: 0,
used_in_shader_stages: RafxShaderStageFlags::COMPUTE,
dx12_reg: Some(0),
dx12_space: Some(0),
..Default::default()
},
RafxShaderResource {
name: Some("OutMip1".to_string()),
resource_type: RafxResourceType::TEXTURE_READ_WRITE,
set_index: 0,
binding: GENERATE_MIPS_DST_MIP_BINDING,
element_count: 1,
size_in_bytes: 0,
used_in_shader_stages: RafxShaderStageFlags::COMPUTE,
dx12_reg: Some(0),
dx12_space: Some(0),
..Default::default()
},
RafxShaderResource {
name: Some("OutMip2".to_string()),
resource_type: RafxResourceType::TEXTURE_READ_WRITE,
set_index: 0,
binding: GENERATE_MIPS_DST_MIP_BINDING + 1,
element_count: 1,
size_in_bytes: 0,
used_in_shader_stages: RafxShaderStageFlags::COMPUTE,
dx12_reg: Some(1),
dx12_space: Some(0),
..Default::default()
},
RafxShaderResource {
name: Some("OutMip3".to_string()),
resource_type: RafxResourceType::TEXTURE_READ_WRITE,
set_index: 0,
binding: GENERATE_MIPS_DST_MIP_BINDING + 2,
element_count: 1,
size_in_bytes: 0,
used_in_shader_stages: RafxShaderStageFlags::COMPUTE,
dx12_reg: Some(2),
dx12_space: Some(0),
..Default::default()
},
RafxShaderResource {
name: Some("OutMip4".to_string()),
resource_type: RafxResourceType::TEXTURE_READ_WRITE,
set_index: 0,
binding: GENERATE_MIPS_DST_MIP_BINDING + 3,
element_count: 1,
size_in_bytes: 0,
used_in_shader_stages: RafxShaderStageFlags::COMPUTE,
dx12_reg: Some(3),
dx12_space: Some(0),
..Default::default()
},
],
}
}])?);
let sampler = RafxSampler::Dx12(dx12_device_context.create_sampler(&RafxSamplerDef {
min_filter: Default::default(),
mag_filter: Default::default(),
mip_map_mode: Default::default(),
address_mode_u: Default::default(),
address_mode_v: Default::default(),
address_mode_w: Default::default(),
mip_lod_bias: 0.0,
max_anisotropy: 0.0,
compare_op: Default::default(),
})?);
let root_signature = RafxRootSignature::Dx12(dx12_device_context.create_root_signature(&RafxRootSignatureDef {
immutable_samplers: &[
RafxImmutableSamplers {
key: RafxImmutableSamplerKey::Binding(0, GENERATE_MIPS_SAMPLER_BINDING),
samplers: &[sampler]
}
],
shaders: &[shader.clone()]
})?);
let pipeline = RafxPipeline::Dx12(dx12_device_context.create_compute_pipeline(&RafxComputePipelineDef {
shader: &shader,
root_signature: &root_signature,
})?);
*/
Ok(Dx12MipmapResources {
//shader,
//root_signature,
root_signature,
pipeline,
})
}
}