tools: Return position from generated vertex shaders

This is required to generate valid MSL code, and will soon be
validated by Tint too.

Change-Id: I4c5f5c4ecb1c91131c934de1132217d9f6be1f8e
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/53420
Auto-Submit: James Price <jrprice@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
This commit is contained in:
James Price
2021-06-04 17:31:48 +00:00
committed by Tint LUCI CQ
parent 6b22219798
commit 9fd3befa17
2923 changed files with 32447 additions and 16304 deletions

View File

@@ -199,7 +199,7 @@ type example struct {
func tryCompile(compiler, wd string, e example) error {
code := e.code
if e.functionScope {
code = "\n[[stage(vertex)]] fn main() {\n" + code + "}\n"
code = "\n[[stage(vertex)]] fn main() -> [[builtin(position)]] vec4<f32> {\n" + code + " return vec4<f32>();}\n"
}
addedStubFunction := false