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https://github.com/KhronosGroup/SPIRV-Tools
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8fa0f1a656
Adds a spirv-fuzz option for converting a SPIR-V shader into a shader that renders red, whilst containing the body of the original shader. This is for aiding in compiler crash bug reporting.
49 lines
1.6 KiB
C++
49 lines
1.6 KiB
C++
// Copyright (c) 2019 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef SOURCE_FORCE_RENDER_RED_H_
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#define SOURCE_FORCE_RENDER_RED_H_
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#include <vector>
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#include "source/fuzz/protobufs/spirvfuzz_protobufs.h"
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#include "spirv-tools/libspirv.hpp"
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namespace spvtools {
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namespace fuzz {
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// Requires |binary_in| to be a valid SPIR-V module with Shader capability,
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// containing an entry point with the Fragment execution model, and a single
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// output variable of type vec4.
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//
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// Turns the body of this entry point into effectively:
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//
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// output_variable = vec4(1.0, 0.0, 0.0, 1.0);
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// if (false) {
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// original_body
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// }
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//
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// If suitable facts about values of uniforms are available, the 'false' will
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// instead become: 'u > v', where 'u' and 'v' are pieces of uniform data for
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// which it is known that 'u < v' holds.
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bool ForceRenderRed(
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const spv_target_env& target_env, const std::vector<uint32_t>& binary_in,
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const spvtools::fuzz::protobufs::FactSequence& initial_facts,
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std::vector<uint32_t>* binary_out);
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} // namespace fuzz
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} // namespace spvtools
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#endif // SOURCE_FORCE_RENDER_RED_H_
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