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test: Add E2E test coverage for shader IO This provides much more complete coverage than what we have in the unit tests. We now test: - All builtins, for all stages, both struct and non-struct - Multiple location attributes for vertex and fragment stages, both struct and non-struct - Mixing builtins and location attributes, whilst mixing struct and non-struct - A few "interesting" cases of IO structs being shared between different functions, stages, and with an SSBO variable There are 7 skipped tests for MSL due to two different MSL bugs which will be fixed in upcoming patches. Change-Id: I8b802591762c8ff018e01bf37838551e353162b1 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/53120 Kokoro: Kokoro <noreply+kokoro@google.com> Reviewed-by: Ben Clayton <bclayton@google.com> Commit-Queue: Ben Clayton <bclayton@google.com> Auto-Submit: James Price <jrprice@google.com>
2021-06-03 09:38:34 +00:00
struct S {
[[align(64)]] [[location(0)]] f : f32;
validation: Allow interpolate(flat) on integral IO Produce a warning if the attribute is missing for integral vertex outputs or fragment inputs. This will become an error in the future, as per the WGSL spec. Add the attribute to E2E tests. Bug: tint:1224 Change-Id: Ia1f353f36cb7db516cf9e8b4877423dec3b3e711 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/67160 Auto-Submit: James Price <jrprice@google.com> Reviewed-by: Ben Clayton <bclayton@google.com> Commit-Queue: James Price <jrprice@google.com> Kokoro: Kokoro <noreply+kokoro@google.com>
2021-10-21 23:08:44 +00:00
[[size(32)]] [[location(1), interpolate(flat)]] u : u32;
test: Add E2E test coverage for shader IO This provides much more complete coverage than what we have in the unit tests. We now test: - All builtins, for all stages, both struct and non-struct - Multiple location attributes for vertex and fragment stages, both struct and non-struct - Mixing builtins and location attributes, whilst mixing struct and non-struct - A few "interesting" cases of IO structs being shared between different functions, stages, and with an SSBO variable There are 7 skipped tests for MSL due to two different MSL bugs which will be fixed in upcoming patches. Change-Id: I8b802591762c8ff018e01bf37838551e353162b1 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/53120 Kokoro: Kokoro <noreply+kokoro@google.com> Reviewed-by: Ben Clayton <bclayton@google.com> Commit-Queue: Ben Clayton <bclayton@google.com> Auto-Submit: James Price <jrprice@google.com>
2021-06-03 09:38:34 +00:00
[[align(128)]] [[builtin(position)]] v : vec4<f32>;
};
[[group(0), binding(0)]]
wgsl: Deprecate [[access]] decorations Handle access control on var declarations instead of via [[access]] decorations. This change does the minimal work to migrate the WGSL parser over to the new syntax. Additional changes will be needed to correctly generate defaulted access qualifiers, as well as validating access usage. The [[access]] decorations are still supported by the WGSL parser, with new deprecated warnings, but not for aliases. Example: var x : [[access(x)]] alias_to_struct; Making this work is far more effort than I want to dedicate to backwards compatibility, and I do not beleive any real-world usage will be doing this. Still TODO: * Adding access control as the optional, third parameter to ptr<>. * Calculating default accesses for the various storage types. * Validating usage of variables against the different accesses. Bug: tint:846 Change-Id: If8ca82e5d16ec319ecd01f9a2cafffd930963bde Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/53088 Commit-Queue: Ben Clayton <bclayton@google.com> Reviewed-by: James Price <jrprice@google.com> Reviewed-by: David Neto <dneto@google.com> Kokoro: Kokoro <noreply+kokoro@google.com>
2021-06-04 20:41:47 +00:00
var<storage, write> output : S;
test: Add E2E test coverage for shader IO This provides much more complete coverage than what we have in the unit tests. We now test: - All builtins, for all stages, both struct and non-struct - Multiple location attributes for vertex and fragment stages, both struct and non-struct - Mixing builtins and location attributes, whilst mixing struct and non-struct - A few "interesting" cases of IO structs being shared between different functions, stages, and with an SSBO variable There are 7 skipped tests for MSL due to two different MSL bugs which will be fixed in upcoming patches. Change-Id: I8b802591762c8ff018e01bf37838551e353162b1 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/53120 Kokoro: Kokoro <noreply+kokoro@google.com> Reviewed-by: Ben Clayton <bclayton@google.com> Commit-Queue: Ben Clayton <bclayton@google.com> Auto-Submit: James Price <jrprice@google.com>
2021-06-03 09:38:34 +00:00
[[stage(fragment)]]
fn frag_main(input : S) {
let f : f32 = input.f;
let u : u32 = input.u;
let v : vec4<f32> = input.v;
output = input;
}