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[wgsl-reader] Allow array decorations to have multiple blocks.

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This CL updates the WGSL parser to allow array decorations to accept
multiple blocks. The stride decoration on arrays was turned into a
proper decoration object instead of just storing the stride directly.

Bug: tint:240
Change-Id: I6cdc7400d8847e3e043b846ea5c9f86cb795cf86
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/29780
Commit-Queue: dan sinclair <dsinclair@chromium.org>
Reviewed-by: Sarah Mashayekhi <sarahmashay@google.com>
Reviewed-by: David Neto <dneto@google.com>
This commit is contained in:
dan sinclair
2020-10-08 19:34:25 +00:00
committed by Commit Bot service account
parent 71d69e5ed3
commit eb5d3e147d
20 changed files with 431 additions and 65 deletions
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6
src/transform/vertex_pulling_transform.cc
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@@ -21,6 +21,7 @@
#include "src/ast/decorated_variable.h"
#include "src/ast/member_accessor_expression.h"
#include "src/ast/scalar_constructor_expression.h"
#include "src/ast/stride_decoration.h"
#include "src/ast/struct.h"
#include "src/ast/struct_decoration.h"
#include "src/ast/struct_member.h"
@@ -215,7 +216,10 @@ void VertexPullingTransform::AddVertexStorageBuffers() {
// TODO(idanr): Make this readonly https://github.com/gpuweb/gpuweb/issues/935
// The array inside the struct definition
auto internal_array = std::make_unique<ast::type::ArrayType>(GetU32Type());
internal_array->set_array_stride(4u);
ast::ArrayDecorationList ary_decos;
ary_decos.push_back(std::make_unique<ast::StrideDecoration>(4u));
internal_array->set_decorations(std::move(ary_decos));
auto* internal_array_type = ctx_->type_mgr().Get(std::move(internal_array));
// Creating the struct type