Adding GetStreamInfo functionality (and passing corresponding unit test).

command_buffer/service/cross/gapi_decoder.cc

 /*
  * Copyright 2009, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 349 matching lines @@
         ResourceID id = args[0].value_uint32;
         unsigned int size = args[1].value_uint32;
         void *data = GetAddressAndCheckSize(args[2].value_uint32,
                                             args[3].value_uint32,
                                             size);
         if (!data) return BufferSyncInterface::PARSE_INVALID_ARGUMENTS;
         return gapi_->GetParamDesc(id, size, data);
       } else {
         return BufferSyncInterface::PARSE_INVALID_ARGUMENTS;
       }
+    case GET_STREAM_COUNT:
+      if (arg_count == 4) {
+        ResourceID id = args[0].value_uint32;
+        unsigned int size = args[1].value_uint32;
+        void *data = GetAddressAndCheckSize(args[2].value_uint32,
+                                            args[3].value_uint32,
+                                            size);
+        if (!data) return BufferSyncInterface::PARSE_INVALID_ARGUMENTS;
+        return gapi_->GetStreamCount(id, size, data);
+      } else {
+        return BufferSyncInterface::PARSE_INVALID_ARGUMENTS;
+      }
+    case GET_STREAM_DESC:
+      if (arg_count == 5) {
+        ResourceID id = args[0].value_uint32;
+        unsigned int index = args[1].value_uint32;
+        unsigned int size = args[2].value_uint32;
+        void *data = GetAddressAndCheckSize(args[3].value_uint32,
+                                            args[4].value_uint32,
+                                            size);
+        if (!data) return BufferSyncInterface::PARSE_INVALID_ARGUMENTS;
+        return gapi_->GetStreamDesc(id, index, size, data);
+      } else {
+        return BufferSyncInterface::PARSE_INVALID_ARGUMENTS;
+      }
     case DESTROY_TEXTURE:
       if (arg_count == 1) {
         return gapi_->DestroyTexture(args[0].value_uint32);
       } else {
         return BufferSyncInterface::PARSE_INVALID_ARGUMENTS;
       }
     case CREATE_TEXTURE_2D:
       return DecodeCreateTexture2D(arg_count, args);
     case CREATE_TEXTURE_3D:
       return DecodeCreateTexture3D(arg_count, args);
@@ skipping 492 matching lines @@
                                           unsigned int size) {
   void * shm_addr = engine_->GetSharedMemoryAddress(shm_id);
   if (!shm_addr) return NULL;
   size_t shm_size = engine_->GetSharedMemorySize(shm_id);
   if (offset + size > shm_size) return NULL;
   return static_cast<char *>(shm_addr) + offset;
 }
 
 }  // namespace command_buffer
 }  // namespace o3d