[tint][fuzz][ast] Add ClampFragDepth fuzzer
Bug: tint:2223
Change-Id: Ia97c991c73a2f3d281b707bf7ee90d4400a76001
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/185627
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: James Price <jrprice@google.com>
diff --git a/src/tint/lang/wgsl/ast/transform/BUILD.cmake b/src/tint/lang/wgsl/ast/transform/BUILD.cmake
index ac08f17..86a3b0b 100644
--- a/src/tint/lang/wgsl/ast/transform/BUILD.cmake
+++ b/src/tint/lang/wgsl/ast/transform/BUILD.cmake
@@ -254,11 +254,13 @@
lang/wgsl/ast/transform/binding_remapper_fuzz.cc
lang/wgsl/ast/transform/builtin_polyfill_fuzz.cc
lang/wgsl/ast/transform/canonicalize_entry_point_io_fuzz.cc
+ lang/wgsl/ast/transform/clamp_frag_depth_fuzz.cc
lang/wgsl/ast/transform/zero_init_workgroup_memory_fuzz.cc
)
tint_target_add_dependencies(tint_lang_wgsl_ast_transform_fuzz fuzz
tint_api_common
+ tint_api_options
tint_lang_core
tint_lang_core_constant
tint_lang_core_type
diff --git a/src/tint/lang/wgsl/ast/transform/BUILD.gn b/src/tint/lang/wgsl/ast/transform/BUILD.gn
index 0535e2a..92673b1 100644
--- a/src/tint/lang/wgsl/ast/transform/BUILD.gn
+++ b/src/tint/lang/wgsl/ast/transform/BUILD.gn
@@ -244,10 +244,12 @@
"binding_remapper_fuzz.cc",
"builtin_polyfill_fuzz.cc",
"canonicalize_entry_point_io_fuzz.cc",
+ "clamp_frag_depth_fuzz.cc",
"zero_init_workgroup_memory_fuzz.cc",
]
deps = [
"${tint_src_dir}/api/common",
+ "${tint_src_dir}/api/options",
"${tint_src_dir}/lang/core",
"${tint_src_dir}/lang/core/constant",
"${tint_src_dir}/lang/core/type",
diff --git a/src/tint/lang/wgsl/ast/transform/clamp_frag_depth.cc b/src/tint/lang/wgsl/ast/transform/clamp_frag_depth.cc
index 66bf672..44c1118 100644
--- a/src/tint/lang/wgsl/ast/transform/clamp_frag_depth.cc
+++ b/src/tint/lang/wgsl/ast/transform/clamp_frag_depth.cc
@@ -221,6 +221,7 @@
return State{src}.Run(inputs);
}
+ClampFragDepth::Config::Config() = default;
ClampFragDepth::Config::Config(std::optional<tint::DepthRangeOffsets> off) : offsets(off) {}
ClampFragDepth::Config::~Config() = default;
diff --git a/src/tint/lang/wgsl/ast/transform/clamp_frag_depth.h b/src/tint/lang/wgsl/ast/transform/clamp_frag_depth.h
index 03972a0..39a73f8 100644
--- a/src/tint/lang/wgsl/ast/transform/clamp_frag_depth.h
+++ b/src/tint/lang/wgsl/ast/transform/clamp_frag_depth.h
@@ -30,6 +30,7 @@
#include "src/tint/api/options/depth_range_offsets.h"
#include "src/tint/lang/wgsl/ast/transform/transform.h"
+#include "src/tint/utils/reflection/reflection.h"
namespace tint::ast::transform {
@@ -73,6 +74,9 @@
/// Transform configuration options
struct Config final : public Castable<Config, ast::transform::Data> {
/// Constructor
+ Config();
+
+ /// Constructor
/// @param off Offsets of the min_depth and max_depth push constants
explicit Config(std::optional<tint::DepthRangeOffsets> off);
@@ -81,6 +85,9 @@
/// Offsets of the min_depth and max_depth push constants
std::optional<tint::DepthRangeOffsets> offsets;
+
+ /// Reflection for this struct
+ TINT_REFLECT(Config, offsets);
};
/// @copydoc ast::transform::Transform::Apply
diff --git a/src/tint/lang/wgsl/ast/transform/clamp_frag_depth_fuzz.cc b/src/tint/lang/wgsl/ast/transform/clamp_frag_depth_fuzz.cc
new file mode 100644
index 0000000..d2ef4c8
--- /dev/null
+++ b/src/tint/lang/wgsl/ast/transform/clamp_frag_depth_fuzz.cc
@@ -0,0 +1,49 @@
+// Copyright 2024 The Dawn & Tint Authors
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are met:
+//
+// 1. Redistributions of source code must retain the above copyright notice, this
+// list of conditions and the following disclaimer.
+//
+// 2. Redistributions in binary form must reproduce the above copyright notice,
+// this list of conditions and the following disclaimer in the documentation
+// and/or other materials provided with the distribution.
+//
+// 3. Neither the name of the copyright holder nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "src/tint/cmd/fuzz/wgsl/fuzz.h"
+#include "src/tint/lang/wgsl/ast/transform/clamp_frag_depth.h"
+
+namespace tint::ast::transform {
+namespace {
+
+void ClampFragDepthFuzzer(const Program& program, const ClampFragDepth::Config& config) {
+ DataMap inputs;
+ inputs.Add<ClampFragDepth::Config>(std::move(config));
+
+ DataMap outputs;
+ if (auto result = ClampFragDepth{}.Apply(program, inputs, outputs)) {
+ if (!result->IsValid()) {
+ TINT_ICE() << "ClampFragDepth returned invalid program:\n" << result->Diagnostics();
+ }
+ }
+}
+
+} // namespace
+} // namespace tint::ast::transform
+
+TINT_WGSL_PROGRAM_FUZZER(tint::ast::transform::ClampFragDepthFuzzer);
