From 52588c3547f71702a58e7d5b0506868fa8308bc7 Mon Sep 17 00:00:00 2001
From: Jacob Heider <jacob@pkgx.dev>
Date: Tue, 30 Apr 2024 17:00:54 -0400
Subject: [PATCH] +spirv-tools

---
 projects/khronos.org/SPIRV-Tools/main.cpp    | 65 ++++++++++++++++++++
 projects/khronos.org/SPIRV-Tools/package.yml | 52 ++++++++++++++++
 2 files changed, 117 insertions(+)
 create mode 100644 projects/khronos.org/SPIRV-Tools/main.cpp
 create mode 100644 projects/khronos.org/SPIRV-Tools/package.yml

diff --git a/projects/khronos.org/SPIRV-Tools/main.cpp b/projects/khronos.org/SPIRV-Tools/main.cpp
new file mode 100644
index 00000000..a1e22c73
--- /dev/null
+++ b/projects/khronos.org/SPIRV-Tools/main.cpp
@@ -0,0 +1,65 @@
+// Copyright (c) 2016 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// This program demonstrates basic SPIR-V module processing using
+// SPIRV-Tools C++ API:
+// * Assembling
+// * Validating
+// * Optimizing
+// * Disassembling
+
+#include <iostream>
+#include <string>
+#include <vector>
+
+#include "spirv-tools/libspirv.hpp"
+#include "spirv-tools/optimizer.hpp"
+
+int main() {
+  const std::string source =
+      "         OpCapability Linkage "
+      "         OpCapability Shader "
+      "         OpMemoryModel Logical GLSL450 "
+      "         OpSource GLSL 450 "
+      "         OpDecorate %spec SpecId 1 "
+      "  %int = OpTypeInt 32 1 "
+      " %spec = OpSpecConstant %int 0 "
+      "%const = OpConstant %int 42";
+
+  spvtools::SpirvTools core(SPV_ENV_UNIVERSAL_1_3);
+  spvtools::Optimizer opt(SPV_ENV_UNIVERSAL_1_3);
+
+  auto print_msg_to_stderr = [](spv_message_level_t, const char*,
+                                const spv_position_t&, const char* m) {
+    std::cerr << "error: " << m << std::endl;
+  };
+  core.SetMessageConsumer(print_msg_to_stderr);
+  opt.SetMessageConsumer(print_msg_to_stderr);
+
+  std::vector<uint32_t> spirv;
+  if (!core.Assemble(source, &spirv)) return 1;
+  if (!core.Validate(spirv)) return 1;
+
+  opt.RegisterPass(spvtools::CreateSetSpecConstantDefaultValuePass({{1, "42"}}))
+      .RegisterPass(spvtools::CreateFreezeSpecConstantValuePass())
+      .RegisterPass(spvtools::CreateUnifyConstantPass())
+      .RegisterPass(spvtools::CreateStripDebugInfoPass());
+  if (!opt.Run(spirv.data(), spirv.size(), &spirv)) return 1;
+
+  std::string disassembly;
+  if (!core.Disassemble(spirv, &disassembly)) return 1;
+  std::cout << disassembly << "\n";
+
+  return 0;
+}
diff --git a/projects/khronos.org/SPIRV-Tools/package.yml b/projects/khronos.org/SPIRV-Tools/package.yml
new file mode 100644
index 00000000..eca6b7dd
--- /dev/null
+++ b/projects/khronos.org/SPIRV-Tools/package.yml
@@ -0,0 +1,52 @@
+distributable:
+  url: https://github.com/KhronosGroup/SPIRV-Tools/archive/{{version.tag}}.tar.gz
+  strip-components: 1
+
+versions:
+  github: KhronosGroup/SPIRV-Tools
+
+build:
+  dependencies:
+    cmake.org: '*'
+    python.org: ~3.11
+    git-scm.org: 2
+  script:
+    - git clone https://github.com/KhronosGroup/SPIRV-Headers external/spirv-headers
+    - cmake -S . -B build $ARGS
+    - cmake --build build
+    - cmake --install build
+  env:
+    ARGS:
+      - -DBUILD_SHARED_LIBS=ON
+      - -DPython3_EXECUTABLE={{deps.python.org.prefix}}/bin/python
+      - -DSPIRV_SKIP_TESTSS=ON
+      - -DSPIRV_TOOLS_BUILD_STATIC=ON
+      - -DCMAKE_INSTALL_PREFIX={{prefix}}
+      - -DCMAKE_INSTALL_LIBDIR={{prefix}}/lib
+      - -DCMAKE_BUILD_TYPE=Release
+      - -Wno-dev
+    linux:
+      ARGS:
+        - -DCMAKE_EXE_LINKER_FLAGS=-lstdc++fs
+
+provides:
+  - bin/spirv-as
+  - bin/spirv-cfg
+  - bin/spirv-dis
+  - bin/spirv-lesspipe.sh
+  - bin/spirv-link
+  - bin/spirv-lint
+  - bin/spirv-objdump
+  - bin/spirv-opt
+  - bin/spirv-reduce
+  - bin/spirv-val
+
+test:
+  script:
+    - cc -o test main.cpp -std=c++11 -lSPIRV-Tools -lSPIRV-Tools-link -lSPIRV-Tools-opt $LIBS
+    - ./test
+  env:
+    linux:
+      LIBS: -lstdc++ -lm
+    darwin:
+      LIBS: -lc++