dawn-cmake/test/samples/triangle.wgsl
Sarah b6fdcc54df transform: remove VarForDynamicIndex transform.
Dynamic indexes are limited to references to matrices and arrays
https://github.com/gpuweb/gpuweb/pull/1801

Bug: tint:867
Change-Id: I114daa053c8a4ffd23ce784ac4538567a551cc21
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/54701
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
Auto-Submit: Sarah Mashayekhi <sarahmashay@google.com>
2021-06-16 17:42:53 +00:00

31 lines
1.0 KiB
WebGPU Shading Language

// Copyright 2020 The Tint Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Vertex shader
[[stage(vertex)]]
fn vtx_main([[builtin(vertex_index)]] VertexIndex : u32)
-> [[builtin(position)]] vec4<f32> {
var pos : array<vec2<f32>, 3> = array<vec2<f32>, 3>(
vec2<f32>(0.0, 0.5),
vec2<f32>(-0.5, -0.5),
vec2<f32>(0.5, -0.5));
return vec4<f32>(pos[VertexIndex], 0.0, 1.0);
}
// Fragment shader
[[stage(fragment)]]
fn frag_main() -> [[location(0)]] vec4<f32> {
return vec4<f32>(1.0, 0.0, 0.0, 1.0);
}