Added initial iteration of shaderc

test/CMakeLists.txt

@@ -1,4 +1,7 @@
 
+#####################################################
+#################### GETEST #######################
+#####################################################
 enable_testing()
 if(KOMPUTE_OPT_REPO_SUBMODULE_BUILD)
     add_subdirectory(${PROJECT_SOURCE_DIR}/external/googletest EXCLUDE_FROM_ALL
@@ -35,6 +38,35 @@ target_link_libraries(test_kompute PRIVATE kompute)
 
 add_test(NAME test_kompute COMMAND test_kompute)
 
+#####################################################
+#################### PYSHADERC #######################
+#####################################################
+
+if(KOMPUTE_OPT_REPO_SUBMODULE_BUILD)
+    add_subdirectory(${PROJECT_SOURCE_DIR}/external/shaderc EXCLUDE_FROM_ALL
+        ${CMAKE_CURRENT_BINARY_DIR}/kompute_shaderc)
+
+    target_include_directories(
+        test_kompute PRIVATE
+        ${shaderc_SOURCE_DIR}/include)
+
+    target_link_libraries(test_kompute PRIVATE
+        shaderc_combined)
+else()
+    find_library(SHADERC_LIB shaderc_combined)
+
+    find_path(SHADERC_INCLUDE_DIRS shaderc)
+
+    target_include_directories(
+        test_kompute PRIVATE
+        ${SHADERC_INCLUDE_DIRS}/include)
+
+    MESSAGE(STATUS "INclude dirs:" ${SHADERC_INCLUDE_DIRS})
+
+    target_link_libraries(test_kompute PRIVATE
+        shaderc_combined)
+endif()
+
 #####################################################
 #################### CODECOV  #######################
 #####################################################

test/TestSpecializationConstant.cpp

@@ -0,0 +1,51 @@
+
+#include "gtest/gtest.h"
+
+#include "kompute/Kompute.hpp"
+
+
+TEST(TestSpecializationConstants, TestTwoConstants)
+{
+    std::shared_ptr<kp::Tensor> tensorA{ new kp::Tensor({ 0, 0, 0 }) };
+    std::shared_ptr<kp::Tensor> tensorB{ new kp::Tensor({ 0, 0, 0 }) };
+
+    std::string shader(R"(
+      #version 450
+      layout (constant_id = 0) const float cOne = 1;
+      layout (constant_id = 1) const float cTwo = 1;
+      layout (local_size_x = 1) in;
+      layout(set = 0, binding = 0) buffer a { float pa[]; };
+      layout(set = 0, binding = 1) buffer b { float pb[]; };
+      void main() {
+          uint index = gl_GlobalInvocationID.x;
+          pa[index] = cOne;
+          pb[index] = cTwo;
+      })");
+
+    {
+        std::shared_ptr<kp::Sequence> sq = nullptr;
+
+        {
+            kp::Manager mgr;
+
+            mgr.rebuild({ tensorA, tensorB });
+
+            sq = mgr.sequence();
+
+            auto spec = kp::Constants({5.0, 0.3});
+
+            sq->begin();
+            sq->record<kp::OpAlgoBase>(
+              { tensorA, tensorB },
+              std::vector<char>(shader.begin(), shader.end()),
+              kp::Workgroup(), spec);
+            sq->end();
+
+            sq->eval();
+
+            mgr.evalOpDefault<kp::OpTensorSyncLocal>({ tensorA, tensorB });
+        }
+    }
+    EXPECT_EQ(tensorA->data(), std::vector<float>({ 5, 5, 5 }));
+    EXPECT_EQ(tensorB->data(), std::vector<float>({ 0.3, 0.3, 0.3 }));
+}

test/TestUtils.cpp

@@ -0,0 +1,27 @@
+
+#include <iostream>
+#include <vector>
+
+#include <shaderc/shaderc.hpp>
+
+static std::vector<uint32_t> spirv_from_string(const std::string& source,
+                                   shaderc_optimization_level optimization = shaderc_optimization_level_size,
+                                   std::vector<std::pair<std::string,std::string>> definitions = {}) {
+  shaderc::Compiler compiler;
+  shaderc::CompileOptions options;
+
+  for (const std::pair<std::string,std::string>& def : definitions) {
+      options.AddMacroDefinition(def.first, def.second);
+  }
+  if (optimization) options.SetOptimizationLevel(optimization);
+
+  std::string errorTag = "kompute";
+  shaderc::SpvCompilationResult module =
+      compiler.CompileGlslToSpv(source, shaderc_glsl_default_compute_shader, errorTag.c_str(), options);
+
+  if (module.GetCompilationStatus() != shaderc_compilation_status_success)  {
+    throw std::runtime_error("Shader string invalid: " + module.GetErrorMessage());
+  }
+
+  return {module.cbegin(), module.cend()};
+}