|  | // Copyright 2023 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/api/tint.h" | 
|  |  | 
|  | //////////////////////////////////////////////////////////////////////////////// | 
|  | // The following includes are used by './tools/run gen' to add an implicit | 
|  | // dependency from 'tint/api' to the libraries used to make up the Tint API. | 
|  | //////////////////////////////////////////////////////////////////////////////// | 
|  | // IWYU pragma: begin_keep | 
|  | #include "src/tint/api/common/override_id.h" | 
|  |  | 
|  | #if TINT_BUILD_GLSL_WRITER | 
|  | #include "src/tint/lang/glsl/writer/writer.h"  // nogncheck | 
|  | #endif | 
|  |  | 
|  | #if TINT_BUILD_HLSL_WRITER | 
|  | #include "src/tint/lang/hlsl/writer/writer.h"  // nogncheck | 
|  | #endif | 
|  |  | 
|  | #if TINT_BUILD_MSL_WRITER | 
|  | #include "src/tint/lang/msl/writer/writer.h"  // nogncheck | 
|  | #endif | 
|  |  | 
|  | #if TINT_BUILD_SPV_READER | 
|  | #include "src/tint/lang/spirv/reader/reader.h"  // nogncheck | 
|  | #endif | 
|  |  | 
|  | #if TINT_BUILD_SPV_WRITER | 
|  | #include "src/tint/lang/spirv/writer/writer.h"  // nogncheck | 
|  | #endif | 
|  |  | 
|  | #if TINT_BUILD_WGSL_READER | 
|  | #include "src/tint/lang/wgsl/inspector/inspector.h"  // nogncheck | 
|  | #include "src/tint/lang/wgsl/reader/reader.h"        // nogncheck | 
|  | #endif | 
|  |  | 
|  | #if TINT_BUILD_WGSL_WRITER | 
|  | #include "src/tint/lang/wgsl/writer/writer.h"  // nogncheck | 
|  | #endif | 
|  |  | 
|  | // IWYU pragma: end_keep | 
|  |  | 
|  | namespace tint { | 
|  |  | 
|  | /// Initialize initializes the Tint library. Call before using the Tint API. | 
|  | void Initialize() { | 
|  | #if TINT_BUILD_WGSL_WRITER | 
|  | // Register the Program printer. This is used for debugging purposes. | 
|  | tint::Program::printer = [](const tint::Program& program) { | 
|  | auto result = wgsl::writer::Generate(program, {}); | 
|  | if (result != Success) { | 
|  | return result.Failure().reason.Str(); | 
|  | } | 
|  | return result->wgsl; | 
|  | }; | 
|  | #endif | 
|  | } | 
|  |  | 
|  | /// Shutdown uninitializes the Tint library. Call after using the Tint API. | 
|  | void Shutdown() { | 
|  | // Currently no-op, but may release tint resources in the future. | 
|  | } | 
|  |  | 
|  | }  // namespace tint |