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Address various TODOs introduced in wgpu transition

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This commit is contained in:
Imbris 2021-05-13 01:25:28 -04:00 committed by Avi Weinstock
parent aa47b960b1
commit 77d4ea9703
9 changed files with 66 additions and 65 deletions
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10
assets/voxygen/shaders/skybox-vert.glsl
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@ -25,8 +25,16 @@ layout(location = 0) out vec3 f_pos;
void main() {
f_pos = v_pos;
// TODO: is this todo below still valid? is cam_pos jittery
// TODO: Make this position-independent to avoid rounding error jittering
// NOTE: we may or may not want to use an infinite projection here
//
// Essentially: using any finite projection is likely wrong here if we want
// to project out to infinity, but since we want to perturb the skybox as we
// move and we have stars now, the "right" answer is heavily dependent on
// how we compute cloud position and stuff.
//
// Infinite projections of cubemaps are nice because they can be oriented
// but still extend infinitely far.
gl_Position =
all_mat *
vec4(v_pos + cam_pos.xyz, 1);

1
assets/voxygen/shaders/terrain-vert.glsl
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@ -32,6 +32,7 @@ layout (std140, set = 2, binding = 0)
uniform u_locals {
vec3 model_offs;
float load_time;
// TODO: consider whether these need to be signed
ivec4 atlas_offs;
};

10
voxygen/src/mesh/greedy.rs
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@ -82,7 +82,7 @@ pub type SuspendedMesh<'a> = dyn for<'r> FnOnce(&'r mut ColLightInfo) + 'a;
/// For an explanation of why we want this, see `SuspendedMesh`.
pub struct GreedyMesh<'a> {
atlas: guillotiere::SimpleAtlasAllocator,
col_lights_size: Vec2<u32>,
col_lights_size: Vec2<u16>,
max_size: guillotiere::Size,
suspended: Vec<Box<SuspendedMesh<'a>>>,
}
@ -190,7 +190,7 @@ impl<'a> GreedyMesh<'a> {
fn greedy_mesh<'a, M: PartialEq, D: 'a, FL, FG, FO, FS, FP, FT>(
atlas: &mut guillotiere::SimpleAtlasAllocator,
col_lights_size: &mut Vec2<u32>,
col_lights_size: &mut Vec2<u16>,
max_size: guillotiere::Size,
GreedyConfig {
mut data,
@ -428,7 +428,7 @@ fn add_to_atlas(
norm: Vec3<i16>,
faces_forward: bool,
max_size: guillotiere::Size,
cur_size: &mut Vec2<u32>,
cur_size: &mut Vec2<u16>,
) -> guillotiere::Rectangle {
// TODO: Check this conversion.
let atlas_rect;
@ -473,8 +473,8 @@ fn add_to_atlas(
// a u16 and we never grew the atlas, meaning all valid coordinates within the
// atlas also fit into a u16.
*cur_size = Vec2::new(
cur_size.x.max(atlas_rect.max.x as u32),
cur_size.y.max(atlas_rect.max.y as u32),
cur_size.x.max(atlas_rect.max.x as u16),
cur_size.y.max(atlas_rect.max.y as u16),
);
// NOTE: pos can be converted safely from usize to i32 because all legal block

8
voxygen/src/render/pipelines/mod.rs
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@ -124,11 +124,11 @@ impl Globals {
shadow_planes.x,
shadow_planes.y,
],
light_shadow_count: [
// TODO: why do we accept values greater than the max?
(light_count % (MAX_POINT_LIGHT_COUNT + 1)) as u32,
(shadow_count % (MAX_FIGURE_SHADOW_COUNT + 1)) as u32,
(directed_light_count % (MAX_DIRECTED_LIGHT_COUNT + 1)) as u32,
light_shadow_count: [
usize::min(light_count, MAX_POINT_LIGHT_COUNT) as u32,
usize::min(shadow_count, MAX_FIGURE_SHADOW_COUNT) as u32,
usize::min(directed_light_count, MAX_DIRECTED_LIGHT_COUNT) as u32,
0,
],
shadow_proj_factors: [

4
voxygen/src/render/pipelines/shadow.rs
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@ -82,8 +82,8 @@ pub fn create_col_lights(
let texture_info = wgpu::TextureDescriptor {
label: None,
size: wgpu::Extent3d {
width: col_lights_size.x,
height: col_lights_size.y,
width: u32::from(col_lights_size.x),
height: u32::from(col_lights_size.y),
depth_or_array_layers: 1,
},
mip_level_count: 1,

14
voxygen/src/render/pipelines/terrain.rs
View File

@ -141,12 +141,20 @@ impl VertexTrait for Vertex {
#[derive(Copy, Clone, Debug, Zeroable, Pod)]
// TODO: new function and private fields??
pub struct Locals {
pub model_offs: [f32; 3],
pub load_time: f32,
pub atlas_offs: [i32; 4],
model_offs: [f32; 3],
load_time: f32,
atlas_offs: [i32; 4],
}
impl Locals {
pub fn new(model_offs: Vec3<f32>, atlas_offs: Vec2<u32>, load_time: f32) -> Self {
Self {
model_offs: model_offs.into_array(),
load_time,
atlas_offs: Vec4::new(atlas_offs.x as i32, atlas_offs.y as i32, 0, 0).into_array(),
}
}
pub fn default() -> Self {
Self {
model_offs: [0.0; 3],

7
voxygen/src/render/renderer.rs
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@ -38,7 +38,7 @@ use vek::*;
/// A type representing data that can be converted to an immutable texture map
/// of ColLight data (used for texture atlases created during greedy meshing).
// TODO: revert to u16
pub type ColLightInfo = (Vec<[u8; 4]>, Vec2<u32>);
pub type ColLightInfo = (Vec<[u8; 4]>, Vec2<u16>);
const QUAD_INDEX_BUFFER_U16_START_VERT_LEN: u16 = 3000;
const QUAD_INDEX_BUFFER_U32_START_VERT_LEN: u32 = 3000;
@ -678,7 +678,10 @@ impl Renderer {
.unwrap_or_else(|| (Vec2::new(1, 1), Vec2::new(1, 1)))
}
// TODO: @Sharp what should this look like with wgpu?
// TODO: Seamless is potentially the default with wgpu but we need further
// investigation into whether this is actually turned on for the OpenGL
// backend
//
/// NOTE: Supported by Vulkan (by default), DirectX 10+ (it seems--it's hard
/// to find proof of this, but Direct3D 10 apparently does it by
/// default, and 11 definitely does, so I assume it's natively supported

4
voxygen/src/render/renderer/drawer.rs
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@ -839,10 +839,6 @@ impl<'pass_ref, 'pass: 'pass_ref> PreparedUiDrawer<'pass_ref, 'pass> {
pub fn set_scissor(&mut self, scissor: Aabr<u16>) {
let Aabr { min, max } = scissor;
// TODO: Got an invalid scissor panic from wgpu,
// use this if you can reproduce
// Note: might have been from changing monitors
// dbg!(&scissor)
self.render_pass.set_scissor_rect(
min.x as u32,
min.y as u32,

41
voxygen/src/scene/terrain.rs
View File

@ -1088,16 +1088,13 @@ impl<V: RectRasterableVol> Terrain<V> {
let atlas = &mut self.atlas;
let chunks = &mut self.chunks;
let col_lights = &mut self.col_lights;
let allocation = atlas
.allocate(guillotiere::Size::new(
tex_size.x as i32, /* TODO: adjust ColLightInfo to avoid the
* cast here? */
tex_size.y as i32,
))
.unwrap_or_else(|| {
let alloc_size =
guillotiere::Size::new(i32::from(tex_size.x), i32::from(tex_size.y));
let allocation = atlas.allocate(alloc_size).unwrap_or_else(|| {
// Atlas allocation failure: try allocating a new texture and atlas.
let (new_atlas, new_col_lights) = Self::make_atlas(renderer)
.expect("Failed to create atlas texture");
let (new_atlas, new_col_lights) =
Self::make_atlas(renderer).expect("Failed to create atlas texture");
// We reset the atlas and clear allocations from existing chunks,
// even though we haven't yet
@ -1114,12 +1111,7 @@ impl<V: RectRasterableVol> Terrain<V> {
*col_lights = Arc::new(new_col_lights);
atlas
.allocate(guillotiere::Size::new(
tex_size.x as i32, /* TODO: adjust ColLightInfo to avoid
* the
* cast here? */
tex_size.y as i32,
))
.allocate(alloc_size)
.expect("Chunk data does not fit in a texture of maximum size.")
});
@ -1131,7 +1123,7 @@ impl<V: RectRasterableVol> Terrain<V> {
renderer.update_texture(
&col_lights.texture,
atlas_offs.into_array(),
tex_size.into_array(),
tex_size.map(|e| u32::from(e)).into_array(),
&tex,
);
@ -1144,22 +1136,15 @@ impl<V: RectRasterableVol> Terrain<V> {
light_map: mesh.light_map,
glow_map: mesh.glow_map,
sprite_instances,
locals: renderer.create_terrain_bound_locals(&[TerrainLocals {
model_offs: Vec3::from(
locals: renderer.create_terrain_bound_locals(&[TerrainLocals::new(
Vec3::from(
response.pos.map2(VolGrid2d::<V>::chunk_size(), |e, sz| {
e as f32 * sz as f32
}),
)
.into_array(),
atlas_offs: Vec4::new(
atlas_offs.x as i32,
atlas_offs.y as i32,
0,
0,
)
.into_array(),
),
atlas_offs,
load_time,
}]),
)]),
visible: Visibility {
in_range: false,
in_frustum: false,