1 files changed, 69 insertions, 0 deletions
diff --git a/o3d/gpu/command_buffer/service/effect_utils.cc b/o3d/gpu/command_buffer/service/effect_utils.cc
new file mode 100644
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+++ b/o3d/gpu/command_buffer/service/effect_utils.cc
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+/*
+ * 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.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+
+// This file implements effect related utilities.
+
+#include "gpu/command_buffer/service/precompile.h"
+#include "gpu/command_buffer/service/effect_utils.h"
+
+namespace command_buffer {
+
+bool ParseEffectData(unsigned int size,
+                     const void *data,
+                     String *vertex_program_entry,
+                     String *fragment_program_entry,
+                     String *effect_code) {
+  const char *data_char = static_cast<const char *>(data);
+  unsigned int index = 0;
+
+  for (; index < size && data_char[index]; ++index) { }
+  if (index >= size) return false;
+  *vertex_program_entry = String(data_char, index);
+  ++index;  // skip \0
+  unsigned int fragment_program_entry_begin = index;
+
+  for (; index < size && data_char[index]; ++index) { }
+  if (index >= size) return false;
+  *fragment_program_entry = String(data_char + fragment_program_entry_begin,
+                                   index - fragment_program_entry_begin);
+  ++index;  // skip \0
+  unsigned int effect_code_begin = index;
+
+  // text doesn't have to be 0-terminated, but look for one so that we don't
+  // construct a std::string with a '\0' in it.
+  for (; index < size && data_char[index]; ++index) { }
+  *effect_code = String(data_char + effect_code_begin,
+                        index - effect_code_begin);
+  return true;
+}
+
+}  // namespace command_buffer