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[rs] Add VertexStateDescriptor (#221)

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The vertex state properties are now bundled in the VertexStateDescriptor
which matches the spec.

Fixes #220
This commit is contained in:
aloucks
2020-03-28 10:45:18 -04:00
committed by GitHub
parent 49bcef0516
commit 66243f12c9
8 changed files with 84 additions and 59 deletions
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28
wgpu/examples/boids/main.rs
View File

@@ -120,19 +120,21 @@ impl framework::Example for Example {
write_mask: wgpu::ColorWrite::ALL,
}],
depth_stencil_state: None,
index_format: wgpu::IndexFormat::Uint16,
vertex_buffers: &[
wgpu::VertexBufferDescriptor {
stride: 4 * 4,
step_mode: wgpu::InputStepMode::Instance,
attributes: &vertex_attr_array![0 => Float2, 1 => Float2],
},
wgpu::VertexBufferDescriptor {
stride: 2 * 4,
step_mode: wgpu::InputStepMode::Vertex,
attributes: &vertex_attr_array![2 => Float2],
},
],
vertex_state: wgpu::VertexStateDescriptor {
index_format: wgpu::IndexFormat::Uint16,
vertex_buffers: &[
wgpu::VertexBufferDescriptor {
stride: 4 * 4,
step_mode: wgpu::InputStepMode::Instance,
attributes: &vertex_attr_array![0 => Float2, 1 => Float2],
},
wgpu::VertexBufferDescriptor {
stride: 2 * 4,
step_mode: wgpu::InputStepMode::Vertex,
attributes: &vertex_attr_array![2 => Float2],
},
],
},
sample_count: 1,
sample_mask: !0,
alpha_to_coverage_enabled: false,

36
wgpu/examples/cube/main.rs
View File

@@ -268,23 +268,25 @@ impl framework::Example for Example {
write_mask: wgpu::ColorWrite::ALL,
}],
depth_stencil_state: None,
index_format: wgpu::IndexFormat::Uint16,
vertex_buffers: &[wgpu::VertexBufferDescriptor {
stride: vertex_size as wgpu::BufferAddress,
step_mode: wgpu::InputStepMode::Vertex,
attributes: &[
wgpu::VertexAttributeDescriptor {
format: wgpu::VertexFormat::Float4,
offset: 0,
shader_location: 0,
},
wgpu::VertexAttributeDescriptor {
format: wgpu::VertexFormat::Float2,
offset: 4 * 4,
shader_location: 1,
},
],
}],
vertex_state: wgpu::VertexStateDescriptor {
index_format: wgpu::IndexFormat::Uint16,
vertex_buffers: &[wgpu::VertexBufferDescriptor {
stride: vertex_size as wgpu::BufferAddress,
step_mode: wgpu::InputStepMode::Vertex,
attributes: &[
wgpu::VertexAttributeDescriptor {
format: wgpu::VertexFormat::Float4,
offset: 0,
shader_location: 0,
},
wgpu::VertexAttributeDescriptor {
format: wgpu::VertexFormat::Float2,
offset: 4 * 4,
shader_location: 1,
},
],
}],
},
sample_count: 1,
sample_mask: !0,
alpha_to_coverage_enabled: false,

6
wgpu/examples/hello-triangle/main.rs
View File

@@ -68,8 +68,10 @@ async fn run(event_loop: EventLoop<()>, window: Window) {
write_mask: wgpu::ColorWrite::ALL,
}],
depth_stencil_state: None,
index_format: wgpu::IndexFormat::Uint16,
vertex_buffers: &[],
vertex_state: wgpu::VertexStateDescriptor {
index_format: wgpu::IndexFormat::Uint16,
vertex_buffers: &[],
},
sample_count: 1,
sample_mask: !0,
alpha_to_coverage_enabled: false,

20
wgpu/examples/mipmap/main.rs
View File

@@ -133,8 +133,10 @@ impl Example {
write_mask: wgpu::ColorWrite::ALL,
}],
depth_stencil_state: None,
index_format: wgpu::IndexFormat::Uint16,
vertex_buffers: &[],
vertex_state: wgpu::VertexStateDescriptor {
index_format: wgpu::IndexFormat::Uint16,
vertex_buffers: &[],
},
sample_count: 1,
sample_mask: !0,
alpha_to_coverage_enabled: false,
@@ -355,12 +357,14 @@ impl framework::Example for Example {
write_mask: wgpu::ColorWrite::ALL,
}],
depth_stencil_state: None,
index_format: wgpu::IndexFormat::Uint16,
vertex_buffers: &[wgpu::VertexBufferDescriptor {
stride: vertex_size as wgpu::BufferAddress,
step_mode: wgpu::InputStepMode::Vertex,
attributes: &vertex_attr_array![0 => Float4],
}],
vertex_state: wgpu::VertexStateDescriptor {
index_format: wgpu::IndexFormat::Uint16,
vertex_buffers: &[wgpu::VertexBufferDescriptor {
stride: vertex_size as wgpu::BufferAddress,
step_mode: wgpu::InputStepMode::Vertex,
attributes: &vertex_attr_array![0 => Float4],
}],
},
sample_count: 1,
sample_mask: !0,
alpha_to_coverage_enabled: false,

14
wgpu/examples/msaa-line/main.rs
View File

@@ -69,12 +69,14 @@ impl Example {
write_mask: wgpu::ColorWrite::ALL,
}],
depth_stencil_state: None,
index_format: wgpu::IndexFormat::Uint16,
vertex_buffers: &[wgpu::VertexBufferDescriptor {
stride: std::mem::size_of::<Vertex>() as wgpu::BufferAddress,
step_mode: wgpu::InputStepMode::Vertex,
attributes: &vertex_attr_array![0 => Float2, 1 => Float4],
}],
vertex_state: wgpu::VertexStateDescriptor {
index_format: wgpu::IndexFormat::Uint16,
vertex_buffers: &[wgpu::VertexBufferDescriptor {
stride: std::mem::size_of::<Vertex>() as wgpu::BufferAddress,
step_mode: wgpu::InputStepMode::Vertex,
attributes: &vertex_attr_array![0 => Float2, 1 => Float4],
}],
},
sample_count,
sample_mask: !0,
alpha_to_coverage_enabled: false,

12
wgpu/examples/shadow/main.rs
View File

@@ -467,8 +467,10 @@ impl framework::Example for Example {
stencil_read_mask: 0,
stencil_write_mask: 0,
}),
index_format: wgpu::IndexFormat::Uint16,
vertex_buffers: &[vb_desc.clone()],
vertex_state: wgpu::VertexStateDescriptor {
index_format: wgpu::IndexFormat::Uint16,
vertex_buffers: &[vb_desc.clone()],
},
sample_count: 1,
sample_mask: !0,
alpha_to_coverage_enabled: false,
@@ -599,8 +601,10 @@ impl framework::Example for Example {
stencil_read_mask: 0,
stencil_write_mask: 0,
}),
index_format: wgpu::IndexFormat::Uint16,
vertex_buffers: &[vb_desc],
vertex_state: wgpu::VertexStateDescriptor {
index_format: wgpu::IndexFormat::Uint16,
vertex_buffers: &[vb_desc],
},
sample_count: 1,
sample_mask: !0,
alpha_to_coverage_enabled: false,

6
wgpu/examples/skybox/main.rs
View File

@@ -128,9 +128,11 @@ impl framework::Example for Skybox {
alpha_blend: wgpu::BlendDescriptor::REPLACE,
write_mask: wgpu::ColorWrite::ALL,
}],
vertex_state: wgpu::VertexStateDescriptor {
index_format: wgpu::IndexFormat::Uint16,
vertex_buffers: &[],
},
depth_stencil_state: None,
index_format: wgpu::IndexFormat::Uint16,
vertex_buffers: &[],
sample_count: 1,
sample_mask: !0,
alpha_to_coverage_enabled: false,

21
wgpu/src/lib.rs
View File

@@ -310,6 +310,16 @@ pub struct ProgrammableStageDescriptor<'a> {
pub entry_point: &'a str,
}
/// The vertex input state for a render pipeline.
#[derive(Clone, Debug)]
pub struct VertexStateDescriptor<'a> {
/// The format of any index buffers used with this pipeline.
pub index_format: IndexFormat,
/// The format of any vertex buffers used with this pipeline.
pub vertex_buffers: &'a [VertexBufferDescriptor<'a>],
}
/// A description of a vertex buffer.
#[derive(Clone, Debug)]
pub struct VertexBufferDescriptor<'a> {
@@ -346,11 +356,8 @@ pub struct RenderPipelineDescriptor<'a> {
/// The effect of draw calls on the depth and stencil aspects of the output target, if any.
pub depth_stencil_state: Option<DepthStencilStateDescriptor>,
/// The format of any index buffers used with this pipeline.
pub index_format: IndexFormat,
/// The format of any vertex buffers used with this pipeline.
pub vertex_buffers: &'a [VertexBufferDescriptor<'a>],
/// The vertex input state for this pipeline.
pub vertex_state: VertexStateDescriptor<'a>,
/// The number of samples calculated per pixel (for MSAA).
pub sample_count: u32,
@@ -719,7 +726,7 @@ impl Device {
let temp_color_states = desc.color_states.to_vec();
let temp_vertex_buffers = desc
.vertex_buffers
.vertex_state.vertex_buffers
.iter()
.map(|vbuf| pipe::VertexBufferLayoutDescriptor {
array_stride: vbuf.stride,
@@ -750,7 +757,7 @@ impl Device {
.as_ref()
.map_or(ptr::null(), |p| p as *const _),
vertex_state: pipe::VertexStateDescriptor {
index_format: desc.index_format,
index_format: desc.vertex_state.index_format,
vertex_buffers: temp_vertex_buffers.as_ptr(),
vertex_buffers_length: temp_vertex_buffers.len(),
},