| /* |
| * Copyright (C) 2019 Apple Inc. All rights reserved. |
| * |
| * 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. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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 "config.h" |
| #include "WHLSLMetalCodeGenerator.h" |
| |
| #if ENABLE(WEBGPU) |
| |
| #include "WHLSLFunctionWriter.h" |
| #include "WHLSLTypeNamer.h" |
| #include <wtf/DataLog.h> |
| #include <wtf/text/StringBuilder.h> |
| |
| namespace WebCore { |
| |
| namespace WHLSL { |
| |
| namespace Metal { |
| |
| static constexpr bool dumpMetalCode = false; |
| |
| static StringView metalCodePrologue() |
| { |
| return StringView { |
| "#include <metal_stdlib>\n" |
| "#include <metal_atomic>\n" |
| "#include <metal_math>\n" |
| "#include <metal_relational>\n" |
| "#include <metal_compute>\n" |
| "#include <metal_texture>\n" |
| "\n" |
| "using namespace metal;\n" |
| "\n" |
| "template <typename T, int Cols, int Rows>\n" |
| "struct WSLMatrix\n" |
| "{\n" |
| " vec<T, Rows> columns[Cols];\n" |
| " private:\n" |
| " public:\n" |
| " inline WSLMatrix() thread = default;\n" |
| " inline WSLMatrix() constant = default;\n" |
| " inline WSLMatrix(const thread WSLMatrix<T, Cols, Rows> &that) thread = default;\n" |
| " inline WSLMatrix(const device WSLMatrix<T, Cols, Rows> &that) thread = default;\n" |
| " inline WSLMatrix(const constant WSLMatrix<T, Cols, Rows> &that) thread = default;\n" |
| " inline WSLMatrix(const threadgroup WSLMatrix<T, Cols, Rows> &that) thread = default;\n" |
| " inline WSLMatrix(const thread WSLMatrix<T, Cols, Rows> &that) constant = default;\n" |
| " inline WSLMatrix(const device WSLMatrix<T, Cols, Rows> &that) constant = default;\n" |
| " inline WSLMatrix(const constant WSLMatrix<T, Cols, Rows> &that) constant = default;\n" |
| " inline WSLMatrix(const threadgroup WSLMatrix<T, Cols, Rows> &that) constant = default;\n" |
| " public:\n" |
| " inline thread vec<T, Rows> &operator[](int r) thread\n" |
| " {\n" |
| " return columns[r];\n" |
| " }\n" |
| " inline device vec<T, Rows> &operator[](int r) device\n" |
| " {\n" |
| " return columns[r];\n" |
| " }\n" |
| " inline threadgroup vec<T, Rows> &operator[](int r) threadgroup\n" |
| " {\n" |
| " return columns[r];\n" |
| " }\n" |
| " inline const thread vec<T, Rows> &operator[](int r) const thread\n" |
| " {\n" |
| " return columns[r];\n" |
| " }\n" |
| " inline const device vec<T, Rows> &operator[](int r) const device\n" |
| " {\n" |
| " return columns[r];\n" |
| " }\n" |
| " inline const constant vec<T, Rows> &operator[](int r) const constant\n" |
| " {\n" |
| " return columns[r];\n" |
| " }\n" |
| " inline const threadgroup vec<T, Rows> &operator[](int r) const threadgroup\n" |
| " {\n" |
| " return columns[r];\n" |
| " }\n" |
| "};\n" |
| |
| |
| }; |
| |
| } |
| |
| static void dumpMetalCodeIfNeeded(StringBuilder& stringBuilder) |
| { |
| if (dumpMetalCode) { |
| dataLogLn("Generated Metal code: "); |
| dataLogLn(stringBuilder.toString()); |
| } |
| } |
| |
| RenderMetalCode generateMetalCode(Program& program, MatchedRenderSemantics&& matchedSemantics, Layout& layout) |
| { |
| StringBuilder stringBuilder; |
| stringBuilder.append(metalCodePrologue()); |
| |
| TypeNamer typeNamer(program); |
| typeNamer.emitMetalTypes(stringBuilder); |
| |
| auto metalFunctionEntryPoints = Metal::emitMetalFunctions(stringBuilder, program, typeNamer, WTFMove(matchedSemantics), layout); |
| |
| dumpMetalCodeIfNeeded(stringBuilder); |
| |
| return { WTFMove(stringBuilder), WTFMove(metalFunctionEntryPoints.mangledVertexEntryPointName), WTFMove(metalFunctionEntryPoints.mangledFragmentEntryPointName) }; |
| } |
| |
| ComputeMetalCode generateMetalCode(Program& program, MatchedComputeSemantics&& matchedSemantics, Layout& layout) |
| { |
| StringBuilder stringBuilder; |
| stringBuilder.append(metalCodePrologue()); |
| |
| TypeNamer typeNamer(program); |
| typeNamer.emitMetalTypes(stringBuilder); |
| |
| auto metalFunctionEntryPoints = Metal::emitMetalFunctions(stringBuilder, program, typeNamer, WTFMove(matchedSemantics), layout); |
| |
| dumpMetalCodeIfNeeded(stringBuilder); |
| |
| return { WTFMove(stringBuilder), WTFMove(metalFunctionEntryPoints.mangledEntryPointName) }; |
| } |
| |
| } |
| |
| } |
| |
| } |
| |
| #endif |