Merge "GLESv2Dbg: ability to create GL calls from client"

1 files changed, 200 insertions, 0 deletions

diff --git a/opengl/libs/GLES2_dbg/generate_caller_cpp.py b/opengl/libs/GLES2_dbg/generate_caller_cpp.py
new file mode 100755
index 0000000..eac2292
--- /dev/null
+++ b/opengl/libs/GLES2_dbg/generate_caller_cpp.py
@@ -0,0 +1,200 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+
+#
+# Copyright 2011, The Android Open Source Project
+#
+# 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.
+#
+
+import os
+import sys
+
+externs = []
+    
+def generate_caller(lines):
+    i = 0
+    output = ""
+    skipFunctions = []
+    
+    for line in lines:
+        if line.find("API_ENTRY(") >= 0: # a function prototype
+            returnType = line[0: line.find(" API_ENTRY(")]
+            functionName = line[line.find("(") + 1: line.find(")")] #extract GL function name
+            parameterList = line[line.find(")(") + 2: line.find(") {")]
+            
+            #if line.find("*") >= 0:
+            #    extern = "%s Debug_%s(%s);" % (returnType, functionName, parameterList)
+            #    externs.append(extern)
+            #    continue
+            
+            if functionName in skipFunctions:
+                sys.stderr.write("!\n! skipping function '%s'\n!\n" % functionName)
+                continue
+            output += "\
+    case glesv2debugger::Message_Function_%s:\n" % functionName
+            parameters = parameterList.split(',')
+            paramIndex = 0
+            if line.find("*") >= 0 and (line.find("*") < line.find(":") or line.find("*") > line.rfind(":")): # unannotated pointer
+                # add function to list of functions that should be hand written, but generate code anyways
+                externs.append(functionName)
+                output += "\
+        ret = GenerateCall_%s(dbg, cmd, msg, prevRet);\n\
+        break;\n" % (functionName)
+                continue
+            elif line.find(":out") >= 0 or line.find(":inout") >= 0:
+                externs.append(functionName)
+                output += "\
+        ret = GenerateCall_%s(dbg, cmd, msg, prevRet);\n\
+        break; // annotated output pointers\n" % (functionName)
+                continue
+                
+            if parameterList == "void":
+                parameters = []
+            arguments = ""
+            paramNames = []
+            inout = ""
+            getData = ""
+            
+            callerMembers = ""
+
+            for parameter in parameters:
+                const = parameter.find("const")
+                parameter = parameter.replace("const", "")
+                parameter = parameter.strip()
+                paramType = parameter.split(' ')[0]
+                paramName = parameter.split(' ')[1]
+                annotation = ""
+                if parameter.find(":") >= 0: # has annotation
+                    assert inout == "" # only one parameter should be annotated
+                    sys.stderr.write("%s is annotated: %s \n" % (functionName, paramType))
+                    inout = paramType.split(":")[2]
+                    annotation = paramType.split(":")[1]
+                    paramType = paramType.split(":")[0]
+                    count = 1
+                    countArg = ""
+                    if annotation.find("*") >= 0: # [1,n] * param
+                        count = int(annotation.split("*")[0])
+                        countArg = annotation.split("*")[1]
+                        assert countArg in paramNames
+                    elif annotation in paramNames:
+                        count = 1
+                        countArg = annotation
+                    elif annotation == "GLstring":
+                        annotation = "strlen(%s)" % (paramName)
+                    else:
+                        count = int(annotation)
+            
+                    paramType += "*"
+                    arguments += "reinterpret_cast<%s>(const_cast<char *>(cmd.data().data()))" % (paramType)
+                elif paramType == "GLboolean":
+                    arguments += "GLboolean(cmd.arg%d())" % (paramIndex)
+                else:
+                    arguments += "static_cast<%s>(cmd.arg%d())" % (paramType, paramIndex)
+
+                if paramIndex < len(parameters) - 1:
+                        arguments += ", "
+                if len(arguments) - arguments.rfind("\n") > 60 :
+                    arguments += "\n\
+            "
+                if const >= 0:
+                    paramType = "const " + paramType
+                paramNames.append(paramName)
+                paramIndex += 1
+                
+            if returnType == "void":
+                output += "\
+        dbg->hooks->gl.%s(\n\
+            %s);\n\
+        break;\n" % (functionName, arguments)
+            else:
+                output += "\
+        msg.set_ret(static_cast<int>(dbg->hooks->gl.%s(\n\
+            %s)));\n\
+        if (cmd.has_ret())\n\
+            ret = reinterpret_cast<int *>(msg.ret());\n\
+        break;\n" % (functionName, arguments)
+    return output
+
+if __name__ == "__main__":
+
+    lines = open("gl2_api_annotated.in").readlines()
+    output = generate_caller(lines)
+    
+    out = open("src/caller.cpp", "w")
+    out.write("""\
+/*
+ ** Copyright 2011, The Android Open Source Project
+ **
+ ** 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.
+ */
+
+// auto generated by generate_caller_cpp.py
+// implement declarations in caller.h
+
+#include "header.h"
+
+namespace android {
+
+""")
+
+    for extern in externs:
+        out.write("\
+static const int * GenerateCall_%s(DbgContext * const dbg,\n\
+    const glesv2debugger::Message & cmd, glesv2debugger::Message & msg, const int * const prevRet);\n" % (extern))
+        print("\
+static const int * GenerateCall_%s(DbgContext * const dbg,\n\
+                            const glesv2debugger::Message & cmd,\n\
+                            glesv2debugger::Message & msg, const int * const prevRet)\n\
+{ assert(0); return prevRet; }\n" % (extern))
+                     
+    out.write(
+"""
+#include "caller.h"
+
+const int * GenerateCall(DbgContext * const dbg, const glesv2debugger::Message & cmd,
+                  glesv2debugger::Message & msg, const int * const prevRet)
+{
+    LOGD("GenerateCall function=%u", cmd.function());
+    const int * ret = prevRet; // only some functions have return value
+    gl_hooks_t::gl_t const * const _c = &getGLTraceThreadSpecific()->gl;
+    nsecs_t c0 = systemTime(timeMode);
+    switch (cmd.function()) {""")
+    
+    out.write(output)
+    
+    out.write("""\
+    default:
+        assert(0);
+    }
+    msg.set_time((systemTime(timeMode) - c0) * 1e-6f);
+    msg.set_context_id(reinterpret_cast<int>(dbg));
+    msg.set_function(cmd.function());
+    msg.set_type(glesv2debugger::Message_Type_AfterCall);
+    return ret;
+}
+
+}; // name space android {
+""")           
+    
+