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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 contains the Features implementation
#include "core/cross/features.h"
#include <vector>
#include "base/string_util.h"
#include "core/cross/types.h"
namespace o3d {
const InterfaceId Features::kInterfaceId =
InterfaceTraits<Features>::kInterfaceId;
Features::Features(ServiceLocator* service_locator)
: service_(service_locator, this),
floating_point_textures_(true),
large_geometry_(true),
windowless_(false),
not_anti_aliased_(false),
flip_textures_(true),
init_status_(Renderer::SUCCESS) {
// NOTE: For backward compatibility floating_point_textures and
// large_geometry default to true. o3djs.util.makeClients before 0.1.35.0
// does not set the o3d_features plugin parameters and therefore
// Features::Init is not called. o3djs,util.makeClients after and
// including 0.1.35.0 do set o3d_features and therefore Init is called
// which sets those to false to start.
}
void Features::ParseFeatures(const std::vector<std::string>& features,
bool version_pass) {
for (size_t jj = 0; jj < features.size(); ++jj) {
const std::string& feature_string = features[jj];
std::vector<std::string> arguments;
SplitString(feature_string, '=', &arguments);
const std::string feature(arguments.front());
arguments.erase(arguments.begin());
if (version_pass) {
if (feature.compare("APIVersion") == 0 && !arguments.empty()) {
int version[4] = { 0, };
std::vector<std::string> parts;
SplitString(arguments[0], '.', &parts);
size_t num_parts = std::min(parts.size(), arraysize(version));
for (size_t ii = 0; ii < num_parts; ++ii) {
StringToInt(parts[ii], &version[ii]);
}
if (version[0] >= 0 && version[1] >= 1 && version[2] >= 40) {
flip_textures_ = false;
}
}
} else {
if (feature.compare("FloatingPointTextures") == 0) {
floating_point_textures_ = true;
} else if (feature.compare("LargeGeometry") == 0) {
large_geometry_ = true;
} else if (feature.compare("Windowless") == 0) {
windowless_ = true;
} else if (feature.compare("NotAntiAliased") == 0) {
not_anti_aliased_ = true;
} else if (feature.compare("FlipTextures") == 0) {
flip_textures_ = true;
} else if (feature.compare("MaxCapabilities") == 0) {
large_geometry_ = true;
floating_point_textures_ = true;
} else if (feature.compare("InitStatus") == 0 &&
!arguments.empty()) {
int value;
StringToInt(arguments[0], &value);
init_status_ = static_cast<Renderer::InitStatus>(value);
}
}
}
}
void Features::Init(const String& requested_features) {
large_geometry_ = false;
floating_point_textures_ = false;
std::vector<std::string> features;
SplitString(requested_features, ',', &features);
ParseFeatures(features, true);
ParseFeatures(features, false);
}
} // namespace o3d
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