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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 "command_buffer/service/cross/effect_utils.h"
namespace o3d {
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
} // namespace o3d
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