Merge pull request #69 from KhronosGroup/add-gen-spirv-script

Add gen_spirv.bash script for generating code from spirv.h

1 files changed, 124 insertions, 0 deletions

diff --git a/tools/spirv-tool/gen_spirv.bash b/tools/spirv-tool/gen_spirv.bash
new file mode 100644
index 0000000..fb7dce9
--- /dev/null
+++ b/tools/spirv-tool/gen_spirv.bash
@@ -0,0 +1,124 @@
+#!/usr/bin/bash
+# script to generate code for LLVM/SPIR-V translator based on khronos 
+# header file spirv.hpp.
+#
+
+
+######################
+#
+# generate NameMap
+#
+######################
+
+genNameMap() {
+prefix=$1
+echo "template<> inline void
+SPIRVMap<$prefix, std::string>::init() {"
+
+cat $spirvHeader | sed -n -e "/^ *${prefix}/s:^ *${prefix}\([^= ][^= ]*\)[= ][= ]*\([0x]*[0-9][0-9]*\).*:\1 \2:p"  | while read a b; do
+  #printf "_SPIRV_OP(%s, %s)\n" $a $b
+  printf "  add(${prefix}%s, \"%s\");\n" $a $a
+  #i=$((i+1))
+done
+
+echo "}
+SPIRV_DEF_NAMEMAP($prefix, SPIRV${prefix}NameMap)
+"
+
+}
+
+###########################
+#
+# generate isValid function
+#
+###########################
+genIsValid() {
+prefix=$1
+echo "bool
+isValid(spv::$prefix V) {
+  switch(V) {"
+
+cat $spirvHeader | sed -n -e "/^ *${prefix}/s:^ *${prefix}\([^= ][^= ]*\)[= ][= ]*\(.*\).*:\1 \2:p"  | while read a b; do
+  if [[ $a == CapabilityNone ]]; then
+    continue
+  fi
+  printf "    case ${prefix}%s:\n" $a
+done
+
+echo "      return true;
+    default:
+      return false;
+  }
+
+}
+"
+
+}
+
+##############################
+#
+# generate entries for td file
+#
+##############################
+genTd() {
+prefix=$1
+
+if [[ $prefix == "Capability" ]]; then
+  echo "class SPIRV${prefix}_ {"
+else
+  echo "def SPIRV${prefix} : Operand<i32> {
+  let PrintMethod = \"printSPIRV${prefix}\";
+"
+fi
+
+cat $spirvHeader | sed -n -e "/^ *${prefix}/s:^ *${prefix}\([^= ][^= ]*\)[= ][= ]*\([0xX]*[0-9a-fA-F][0-9a-fA-F]*\).*:\1 \2:p"  | while read a b; do
+  if [[ $a == CapabilityNone ]]; then
+    continue
+  fi
+  printf "  int %s = %s;\n" $a $b
+done
+
+if [[ $prefix == "Capability" ]]; then
+  echo "}
+def SPIRV${prefix} : SPIRV${prefix}_;
+"
+else 
+  echo "}
+"
+fi
+}
+
+gen() {
+type=$1
+for prefix in SourceLanguage ExecutionModel AddressingModel MemoryModel ExecutionMode StorageClass Dim SamplerAddressingMode SamplerFilterMode ImageFormat \
+  ImageChannelOrder ImageChannelDataType ImageOperands FPFastMathMode FPRoundingMode LinkageType AccessQualifier FunctionParameterAttribute Decoration BuiltIn SelectionControl \
+  LoopControl FunctionControl MemorySemantics MemoryAccess Scope GroupOperation KernelEnqueueFlags KernelProfilingInfo Capability Op; do
+  if [[ "$type" == NameMap ]]; then
+    genNameMap $prefix
+  elif [[ "$type" == isValid ]]; then
+    genIsValid $prefix
+  elif [[ "$type" == td ]]; then
+    genTd $prefix
+  else
+    echo "invalid type \"$type\"."
+    exit
+  fi
+done
+}
+
+####################
+#
+# main
+#
+####################
+
+if [[ $# -ne 2 ]]; then
+  echo "usage: gen_spirv path_to_spirv.hpp [NameMap|isValid|td]"
+  exit
+fi
+
+#spirvHeader=/home/yaxunl/stg/compiler/llvm/lib/SPIRV/libSPIRV/spirv.hpp
+spirvHeader=$1
+type=$2
+
+gen $type