cmake: don't give package managers a chance

include paths for system and source tree targets are different, need to fix it first
use static version of spirv-cross

3rdparty/CMakeLists.txt

@@ -4,40 +4,32 @@ if(NOT xbyak_FOUND)
     add_subdirectory(xbyak)
 endif()
 
-if(NOT SPIRV-Headers_FOUND)
-    add_subdirectory(SPIRV-Headers)
+add_subdirectory(SPIRV-Headers)
+
+add_subdirectory(SPIRV-Tools)
+
+option(SPIRV_CROSS_SHARED "" on)
+option(SPIRV_CROSS_STATIC "" on)
+option(SPIRV_CROSS_ENABLE_GLSL "" on)
+option(SPIRV_CROSS_ENABLE_HLSL "" off)
+option(SPIRV_CROSS_ENABLE_MSL "" off)
+option(SPIRV_CROSS_ENABLE_CPP "" off)
+option(SPIRV_CROSS_ENABLE_REFLECT "" off)
+option(SPIRV_CROSS_ENABLE_C_API "" off)
+option(SPIRV_CROSS_ENABLE_UTIL "" off)
+option(SPIRV_CROSS_CLI "" off)
+option(SPIRV_CROSS_ENABLE_TESTS "" off)
+option(SPIRV_CROSS_SKIP_INSTALL "" on)
+add_subdirectory(SPIRV-Cross)
+
+install(TARGETS spirv-cross-c-shared LIBRARY DESTINATION bin)
+set_target_properties(spirv-cross-c-shared PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
+
+add_subdirectory(glslang)
+if(NOT TARGET glslang::glslang-standalone)
+    add_executable(glslang::glslang-standalone ALIAS glslang-standalone)
 endif()
 
-if(NOT SPIRV-Tools-opt_FOUND)
-    add_subdirectory(SPIRV-Tools)
-endif()
-
-if(NOT SPIRV-Cross_FOUND)
-    option(SPIRV_CROSS_SHARED "" on)
-    option(SPIRV_CROSS_STATIC "" on)
-    option(SPIRV_CROSS_ENABLE_GLSL "" on)
-    option(SPIRV_CROSS_ENABLE_HLSL "" off)
-    option(SPIRV_CROSS_ENABLE_MSL "" off)
-    option(SPIRV_CROSS_ENABLE_CPP "" off)
-    option(SPIRV_CROSS_ENABLE_REFLECT "" off)
-    option(SPIRV_CROSS_ENABLE_C_API "" off)
-    option(SPIRV_CROSS_ENABLE_UTIL "" off)
-    option(SPIRV_CROSS_CLI "" off)
-    option(SPIRV_CROSS_ENABLE_TESTS "" off)
-    option(SPIRV_CROSS_SKIP_INSTALL "" on)
-    add_subdirectory(SPIRV-Cross)
-
-    install(TARGETS spirv-cross-c-shared LIBRARY DESTINATION bin)
-    set_target_properties(spirv-cross-c-shared PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
-endif()
-
-# if(NOT glslang_FOUND)
-    add_subdirectory(glslang)
-    if(NOT TARGET glslang::glslang-standalone)
-        add_executable(glslang::glslang-standalone ALIAS glslang-standalone)
-    endif()
-# endif()
-
 if(NOT nlohmann_json_FOUND)
     add_subdirectory(json)
 endif()

CMakeLists.txt

@@ -9,15 +9,6 @@ set(CMAKE_BUILD_RPATH_USE_ORIGIN on)
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
 
 find_package(nlohmann_json CONFIG)
-find_package(SPIRV-Cross 1.6 MODULE)
-find_package(SPIRV-Tools-opt MODULE)
-find_package(xbyak CONFIG)
-
-if(SPIRV-Tools-opt_FOUND)
-    find_package(glslang CONFIG)
-    find_package(SPIRV-Headers CONFIG)
-endif()
-
 add_subdirectory(3rdparty EXCLUDE_FROM_ALL)
 
 function(add_precompiled_vulkan_spirv target)

rpcsx-gpu2/lib/gcn-shader/CMakeLists.txt

@@ -42,7 +42,7 @@ PRIVATE
     glslang::SPIRV
     SPIRV-Tools
     SPIRV-Tools-opt
-    spirv-cross-c-shared
+    spirv-cross-glsl
 )
 
 add_subdirectory(shaders)

rpcsx-gpu2/lib/gcn-shader/src/gcn.cpp

@@ -19,7 +19,7 @@
 #include "transform.hpp"
 #include <glslang/Include/ResourceLimits.h>
 #include <glslang/Public/ShaderLang.h>
-#include <glslang/SPIRV/GlslangToSpv.h>
+#include <SPIRV/GlslangToSpv.h>
 #include <map>
 #include <optional>
 #include <print>

rpcsx-gpu2/lib/gcn-shader/src/glsl.cpp

@@ -5,7 +5,8 @@
 #include <filesystem>
 #include <fstream>
 #include <glslang/Public/ShaderLang.h>
-#include <spirv_cross_c.h>
+#include <spirv_cross.hpp>
+#include <spirv_glsl.hpp>
 
 static constexpr auto g_glslangLimit = 100;
 
@@ -294,41 +295,11 @@ shader::glsl::parseSource(ir::Context &context, Stage stage,
 }
 
 std::string shader::glsl::decompile(std::span<const std::uint32_t> spv) {
-  spvc_context context = nullptr;
-  spvc_parsed_ir ir = nullptr;
-  spvc_compiler compiler_glsl = nullptr;
-  spvc_compiler_options options = nullptr;
-  const char *result = nullptr;
-
-  spvc_context_create(&context);
-
-  spvc_context_set_error_callback(
-      context,
-      [](void *, const char *message) {
-        std::fprintf(stderr, "%s\n", message);
-      },
-      nullptr);
-
-  spvc_context_parse_spirv(context, spv.data(), spv.size(), &ir);
-  spvc_context_create_compiler(context, SPVC_BACKEND_GLSL, ir,
-                               SPVC_CAPTURE_MODE_TAKE_OWNERSHIP,
-                               &compiler_glsl);
-
-  spvc_compiler_create_compiler_options(compiler_glsl, &options);
-  spvc_compiler_options_set_uint(options, SPVC_COMPILER_OPTION_GLSL_VERSION,
-                                 460);
-  spvc_compiler_options_set_bool(options, SPVC_COMPILER_OPTION_GLSL_ES,
-                                 SPVC_FALSE);
-  spvc_compiler_options_set_bool(
-      options, SPVC_COMPILER_OPTION_GLSL_VULKAN_SEMANTICS, SPVC_TRUE);
-  spvc_compiler_install_compiler_options(compiler_glsl, options);
-
-  if (spvc_compiler_compile(compiler_glsl, &result) != SPVC_SUCCESS) {
-    spvc_context_destroy(context);
-    return {};
-  }
-  std::string resultStr = result;
-  spvc_context_destroy(context);
-
-  return resultStr;
+  spirv_cross::CompilerGLSL glsl(spv.data(), spv.size());
+  spirv_cross::CompilerGLSL::Options options;
+  options.version = 460;
+  options.es = false;
+  options.vulkan_semantics = true;
+  glsl.set_common_options(options);
+  return glsl.compile();
 }