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Update examples for recent WGSL changes

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* Use new entry point IO syntax
* Use `let` instead of `const`
* Remove `-> void` from function headers

Bug: dawn:755
Change-Id: I39b5687a342ea2298c3d2e85517c9b8d9017727e
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/47500
Commit-Queue: James Price <jrprice@google.com>
Auto-Submit: James Price <jrprice@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
This commit is contained in:
James Price
2021-04-13 14:52:44 +00:00
committed by Commit Bot service account
parent f3fe648675
commit 9e0debd91e
6 changed files with 64 additions and 81 deletions
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16
examples/CppHelloTriangle.cpp
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@@ -96,22 +96,18 @@ void init() {
initTextures();
wgpu::ShaderModule vsModule = utils::CreateShaderModule(device, R"(
[[builtin(position)]] var<out> Position : vec4<f32>;
[[location(0)]] var<in> pos : vec4<f32>;
[[stage(vertex)]] fn main() {
Position = pos;
return;
[[stage(vertex)]] fn main([[location(0)]] pos : vec4<f32>)
-> [[builtin(position)]] vec4<f32> {
return pos;
})");
wgpu::ShaderModule fsModule = utils::CreateShaderModule(device, R"(
[[builtin(frag_coord)]] var<in> FragCoord : vec4<f32>;
[[group(0), binding(0)]] var mySampler: sampler;
[[group(0), binding(1)]] var myTexture : texture_2d<f32>;
[[location(0)]] var<out> FragColor : vec4<f32>;
[[stage(fragment)]] fn main() {
FragColor = textureSample(myTexture, mySampler, FragCoord.xy / vec2<f32>(640.0, 480.0));
return;
[[stage(fragment)]] fn main([[builtin(frag_coord)]] FragCoord : vec4<f32>)
-> [[location(0)]] vec4<f32> {
return textureSample(myTexture, mySampler, FragCoord.xy / vec2<f32>(640.0, 480.0));
})");
auto bgl = utils::MakeBindGroupLayout(