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Implement GPUBuffer.mapAsync and update wgpu-core

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This commit is contained in:
Kunal Mohan 2020-06-22 19:52:02 +05:30
parent 0afe412d63
commit b74cea3a46
18 changed files with 514 additions and 433 deletions
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96
components/script/dom/gpucommandencoder.rs
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@ -24,13 +24,10 @@ use dom_struct::dom_struct;
use std::cell::Cell;
use std::collections::HashSet;
use webgpu::wgpu::command::{
RawPass, RenderPassColorAttachmentDescriptor, RenderPassDepthStencilAttachmentDescriptor,
RenderPassDescriptor,
ColorAttachmentDescriptor, DepthStencilAttachmentDescriptor, RenderPass, RenderPassDescriptor,
};
use webgpu::{self, wgt, WebGPU, WebGPUDevice, WebGPURequest};
const BUFFER_COPY_ALIGN_MASK: u64 = 3;
// https://gpuweb.github.io/gpuweb/#enumdef-encoder-state
#[derive(MallocSizeOf, PartialEq)]
pub enum GPUCommandEncoderState {
@ -126,7 +123,6 @@ impl GPUCommandEncoderMethods for GPUCommandEncoder {
GPUComputePassEncoder::new(&self.global(), self.channel.clone(), &self)
}
#[allow(unsafe_code)]
/// https://gpuweb.github.io/gpuweb/#dom-gpucommandencoder-beginrenderpass
fn BeginRenderPass(
&self,
@ -141,7 +137,7 @@ impl GPUCommandEncoderMethods for GPUCommandEncoder {
.colorAttachments
.iter()
.map(|color| {
let (load_op, clear_color) = match color.loadValue {
let (load_op, clear_value) = match color.loadValue {
GPUColorLoad::GPULoadOp(_) => (wgt::LoadOp::Load, wgt::Color::TRANSPARENT),
GPUColorLoad::DoubleSequence(ref s) => (
wgt::LoadOp::Clear,
@ -162,15 +158,19 @@ impl GPUCommandEncoderMethods for GPUCommandEncoder {
},
),
};
RenderPassColorAttachmentDescriptor {
attachment: color.attachment.id().0,
resolve_target: color.resolveTarget.as_ref().map(|t| t.id().0),
let channel = wgt::PassChannel {
load_op,
store_op: match color.storeOp {
GPUStoreOp::Store => wgt::StoreOp::Store,
GPUStoreOp::Clear => wgt::StoreOp::Clear,
},
clear_color,
clear_value,
read_only: false,
};
ColorAttachmentDescriptor {
attachment: color.attachment.id().0,
resolve_target: color.resolveTarget.as_ref().map(|t| t.id().0),
channel,
}
})
.collect::<Vec<_>>();
@ -184,34 +184,39 @@ impl GPUCommandEncoderMethods for GPUCommandEncoder {
GPUStencilLoadValue::GPULoadOp(_) => (wgt::LoadOp::Load, 0u32),
GPUStencilLoadValue::RangeEnforcedUnsignedLong(l) => (wgt::LoadOp::Clear, l),
};
RenderPassDepthStencilAttachmentDescriptor {
let depth_channel = wgt::PassChannel {
load_op: depth_load_op,
store_op: match depth.depthStoreOp {
GPUStoreOp::Store => wgt::StoreOp::Store,
GPUStoreOp::Clear => wgt::StoreOp::Clear,
},
clear_value: clear_depth,
read_only: depth.depthReadOnly,
};
let stencil_channel = wgt::PassChannel {
load_op: stencil_load_op,
store_op: match depth.stencilStoreOp {
GPUStoreOp::Store => wgt::StoreOp::Store,
GPUStoreOp::Clear => wgt::StoreOp::Clear,
},
clear_value: clear_stencil,
read_only: depth.stencilReadOnly,
};
DepthStencilAttachmentDescriptor {
attachment: depth.attachment.id().0,
depth_load_op,
depth_store_op: match depth.depthStoreOp {
GPUStoreOp::Store => wgt::StoreOp::Store,
GPUStoreOp::Clear => wgt::StoreOp::Clear,
},
clear_depth,
depth_read_only: depth.depthReadOnly,
stencil_load_op,
stencil_store_op: match depth.stencilStoreOp {
GPUStoreOp::Store => wgt::StoreOp::Store,
GPUStoreOp::Clear => wgt::StoreOp::Clear,
},
clear_stencil,
stencil_read_only: depth.stencilReadOnly,
depth: depth_channel,
stencil: stencil_channel,
}
});
let desc = RenderPassDescriptor {
color_attachments: colors.as_ptr(),
color_attachments_length: colors.len(),
color_attachments: colors.as_slice(),
depth_stencil_attachment: depth_stencil.as_ref(),
};
let raw_pass = unsafe { RawPass::new_render(self.id().0, &desc) };
let render_pass = RenderPass::new(self.encoder.0, desc);
GPURenderPassEncoder::new(&self.global(), self.channel.clone(), raw_pass, &self)
GPURenderPassEncoder::new(&self.global(), self.channel.clone(), render_pass, &self)
}
/// https://gpuweb.github.io/gpuweb/#dom-gpucommandencoder-copybuffertobuffer
@ -223,36 +228,9 @@ impl GPUCommandEncoderMethods for GPUCommandEncoder {
destination_offset: GPUSize64,
size: GPUSize64,
) {
let mut valid = match source_offset.checked_add(size) {
Some(_) => true,
None => false,
};
valid &= match destination_offset.checked_add(size) {
Some(_) => true,
None => false,
};
valid &= match wgt::BufferUsage::from_bits(source.usage()) {
Some(usage) => usage.contains(wgt::BufferUsage::COPY_SRC),
None => false,
};
valid &= match wgt::BufferUsage::from_bits(destination.usage()) {
Some(usage) => usage.contains(wgt::BufferUsage::COPY_DST),
None => false,
};
valid &= (*self.state.borrow() == GPUCommandEncoderState::Open) &&
source.is_valid() &&
destination.is_valid() &
!(size & BUFFER_COPY_ALIGN_MASK == 0) &
!(source_offset & BUFFER_COPY_ALIGN_MASK == 0) &
!(destination_offset & BUFFER_COPY_ALIGN_MASK == 0) &
(source.size() >= source_offset + size) &
(destination.size() >= destination_offset + size);
if source.id().0 == destination.id().0 {
//TODO: maybe forbid this case based on https://github.com/gpuweb/gpuweb/issues/783
valid &= source_offset > destination_offset + size ||
source_offset + size < destination_offset;
}
let valid = source.is_valid() &&
destination.is_valid() &&
*self.state.borrow() == GPUCommandEncoderState::Open;
if !valid {
// TODO: Record an error in the current scope.