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interval bounding box

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Molive
2025-06-26 20:38:44 +01:00
parent 88ed766ab8
commit 544de3165a
3 changed files with 61 additions and 25 deletions
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src/implicit.vert.glsl
+12 -1
View File
@@ -6,7 +6,18 @@ layout(location = 0) in vec3 position;
layout(location = 0) out vec4 pos;
void main() {
pos = vec4((position * pc.dimensions) + pc.lowest_corner, 1.);
vec3 internal_pos = vec3(float((gl_InstanceIndex >> 6) & 7) / 8.0,
float((gl_InstanceIndex >> 3) & 7) / 8.0,
float((gl_InstanceIndex >> 0) & 7) / 8.0);
bool enable = (pc.enable[gl_InstanceIndex >> 5] & (1 << (gl_InstanceIndex & 31))) != 0;
if (!enable) {
gl_Position = vec4(0.0 / 0.0);
return;
}
pos = vec4((((position / 8.0) + internal_pos) * pc.dimensions) + pc.lowest_corner, 1.);
vec4 worldview = camera_uniforms.view * pc.world * pos;
gl_Position = camera_uniforms.proj * worldview;
}
src/main.rs
+44 -24
View File
@@ -65,7 +65,7 @@ use vulkano::{
depth_stencil::{DepthState, DepthStencilState},
input_assembly::InputAssemblyState,
multisample::MultisampleState,
rasterization::{CullMode, FrontFace, RasterizationState},
rasterization::{CullMode, FrontFace, PolygonMode, RasterizationState},
vertex_input::{Vertex, VertexDefinition},
viewport::{Viewport, ViewportState},
},
@@ -97,7 +97,7 @@ mod ssa;
mod instruction_set;
mod interpreter;
use crate::interpreter::{IntervalInterpreter, PointInterpreter};
use crate::interpreter::{IntervalInterpreter, PointInterpreter, VALUE_0};
mod types;
mod vm;
@@ -319,39 +319,54 @@ fn interval_check(csg: &CSG, push_constants: &mut PushConstantData) {
push_constants.dimensions = (highest_corner - lowest_corner).to_array().into();
push_constants.lowest_corner = lowest_corner.into();
push_constants.enable = [0; 16];
for x in 0..8 {
for y in 0..8 {
const INTERVAL_INPUT_Z: interpreter::Value = Interval::new(
let interval_input_z: Interval = Interval::new_unchecked(
interpreter::Value::from_array([
0.0 / 8.0,
1.0 / 8.0,
2.0 / 8.0,
3.0 / 8.0,
4.0 / 8.0,
5.0 / 8.0,
6.0 / 8.0,
7.0 / 8.0,
(0.0 / 8.0) * push_constants.dimensions[2] + push_constants.lowest_corner[2],
(1.0 / 8.0) * push_constants.dimensions[2] + push_constants.lowest_corner[2],
(2.0 / 8.0) * push_constants.dimensions[2] + push_constants.lowest_corner[2],
(3.0 / 8.0) * push_constants.dimensions[2] + push_constants.lowest_corner[2],
(4.0 / 8.0) * push_constants.dimensions[2] + push_constants.lowest_corner[2],
(5.0 / 8.0) * push_constants.dimensions[2] + push_constants.lowest_corner[2],
(6.0 / 8.0) * push_constants.dimensions[2] + push_constants.lowest_corner[2],
(7.0 / 8.0) * push_constants.dimensions[2] + push_constants.lowest_corner[2],
]),
interpreter::Value::from_array([
1.0 / 8.0,
2.0 / 8.0,
3.0 / 8.0,
4.0 / 8.0,
5.0 / 8.0,
6.0 / 8.0,
7.0 / 8.0,
8.0 / 8.0,
(1.0 / 8.0) * push_constants.dimensions[2] + push_constants.lowest_corner[2],
(2.0 / 8.0) * push_constants.dimensions[2] + push_constants.lowest_corner[2],
(3.0 / 8.0) * push_constants.dimensions[2] + push_constants.lowest_corner[2],
(4.0 / 8.0) * push_constants.dimensions[2] + push_constants.lowest_corner[2],
(5.0 / 8.0) * push_constants.dimensions[2] + push_constants.lowest_corner[2],
(6.0 / 8.0) * push_constants.dimensions[2] + push_constants.lowest_corner[2],
(7.0 / 8.0) * push_constants.dimensions[2] + push_constants.lowest_corner[2],
(8.0 / 8.0) * push_constants.dimensions[2] + push_constants.lowest_corner[2],
]),
);
let mut interpreter = IntervalInterpreter::new(csg);
let output = interpreter.scene(
Interval::const_splat2(x as f32 / 8.0, (x + 1) as f32 / 8.0),
Interval::const_splat2(y as f32 / 8.0, (y + 1) as f32 / 8.0),
INTERPRET_INPUT_Z,
Interval::const_splat2(
(x as f32 / 8.0) * push_constants.dimensions[0]
+ push_constants.lowest_corner[0],
((x + 1) as f32 / 8.0) * push_constants.dimensions[0]
+ push_constants.lowest_corner[0],
),
Interval::const_splat2(
(y as f32 / 8.0) * push_constants.dimensions[1]
+ push_constants.lowest_corner[1],
((y + 1) as f32 / 8.0) * push_constants.dimensions[1]
+ push_constants.lowest_corner[1],
),
interval_input_z,
);
(output.lower().simd_le(VALUE_0) & output.lower().simd_ge(VALUE_0)).to_bitmask()
let output = ((output.lower().simd_le(VALUE_0) & output.upper().simd_ge(VALUE_0))
.to_bitmask() as u32)
<< ((y & 0b11) * 8);
push_constants.enable[(x << 1) | (y >> 2)] |= output;
}
}
}
@@ -462,6 +477,7 @@ impl App {
geometry_shader: true,
primitive_fragment_shading_rate: SAMPLE_RATE_SHADING.is_some(),
maintenance4: true,
fill_mode_non_solid: true,
..DeviceFeatures::empty()
},
..Default::default()
@@ -1093,6 +1109,7 @@ impl App {
world: Mat4::IDENTITY.to_cols_array_2d(),
dimensions: Vec3::ONE.to_array().into(),
lowest_corner: Vec3::ZERO.into(),
enable: [0; 16],
};
let uniform_data = implicit_vs::Camera {
@@ -1236,7 +1253,9 @@ impl App {
.push_constants(rcx.implicit_pipeline.layout().clone(), 0, push_constants)
.unwrap();
unsafe { builder.draw(VERTEX_COUNT as u32, 1, 0, 0) }.unwrap();
for i in 0..(8 * 8 * 8) {
unsafe { builder.draw(VERTEX_COUNT as u32, 1, 0, i) }.unwrap();
}
}
builder
@@ -1477,6 +1496,7 @@ fn pipeline_recompile(
rasterization_state: Some(RasterizationState {
front_face: FrontFace::Clockwise,
cull_mode: CullMode::Back,
polygon_mode: PolygonMode::Fill,
..RasterizationState::default()
}),
depth_stencil_state: Some(DepthStencilState {
src/types/interval.rs
+5
View File
@@ -59,6 +59,11 @@ impl Interval {
Self { lower, upper }
}
#[inline]
pub const fn new_unchecked(lower: Value, upper: Value) -> Self {
Self { lower, upper }
}
pub fn splat(value: f32) -> Interval {
Interval::new(Value::splat(value), Value::splat(value))
}