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Add the first basic version of the GPU blend node (#1243)

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* Implement Gpu Blend node

* Remove duplicate shader input

* Fix formatting

---------

Co-authored-by: Dennis Kobert <dennis@kobert.dev>
This commit is contained in:
Alexandru Ică 2023-05-28 11:34:09 +03:00 • committed by Keavon Chambers
parent 9da83d3280
commit 57415b948b
14 changed files with 369 additions and 67 deletions
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7
node-graph/wgpu-executor/src/lib.rs
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@ -3,7 +3,7 @@ mod executor;
pub use context::Context;
pub use executor::GpuExecutor;
use gpu_executor::{Shader, ShaderInput, StorageBufferOptions, ToStorageBuffer, ToUniformBuffer};
use gpu_executor::{ComputePassDimensions, Shader, ShaderInput, StorageBufferOptions, ToStorageBuffer, ToUniformBuffer};
use graph_craft::Type;
use anyhow::{bail, Result};
@ -83,7 +83,7 @@ impl gpu_executor::GpuExecutor for NewExecutor {
};
Ok(buffer)
}
fn create_compute_pass(&self, layout: &gpu_executor::PipelineLayout<Self>, read_back: Option<Arc<ShaderInput<Self::BufferHandle>>>, instances: u32) -> Result<CommandBuffer> {
fn create_compute_pass(&self, layout: &gpu_executor::PipelineLayout<Self>, read_back: Option<Arc<ShaderInput<Self::BufferHandle>>>, instances: ComputePassDimensions) -> Result<CommandBuffer> {
let compute_pipeline = self.context.device.create_compute_pipeline(&wgpu::ComputePipelineDescriptor {
label: None,
layout: None,
@ -113,11 +113,12 @@ impl gpu_executor::GpuExecutor for NewExecutor {
let mut encoder = self.context.device.create_command_encoder(&wgpu::CommandEncoderDescriptor { label: None });
{
let dimensions = instances.get();
let mut cpass = encoder.begin_compute_pass(&wgpu::ComputePassDescriptor { label: None });
cpass.set_pipeline(&compute_pipeline);
cpass.set_bind_group(0, &bind_group, &[]);
cpass.insert_debug_marker("compute node network evaluation");
cpass.dispatch_workgroups(instances, 1, 1); // Number of cells to run, the (x,y,z) size of item being processed
cpass.dispatch_workgroups(dimensions.0, dimensions.1, dimensions.2); // Number of cells to run, the (x,y,z) size of item being processed
}
// Sets adds copy operation to command encoder.
// Will copy data from storage buffer on GPU to staging buffer on CPU.