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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 definition of the Texture2D and TextureCUBE classes.
#include "core/cross/precompile.h"
#include "core/cross/texture.h"
#include "core/cross/renderer.h"
#include "core/cross/error.h"
namespace o3d {
O3D_DEFN_CLASS(Texture2D, Texture);
O3D_DEFN_CLASS(TextureCUBE, Texture);
const char* Texture2D::kWidthParamName =
O3D_STRING_CONSTANT("width");
const char* Texture2D::kHeightParamName =
O3D_STRING_CONSTANT("height");
const char* TextureCUBE::kEdgeLengthParamName =
O3D_STRING_CONSTANT("edgeLength");
Texture2D::Texture2D(ServiceLocator* service_locator,
int width,
int height,
Format format,
int levels,
bool alpha_is_one,
bool resize_to_pot,
bool enable_render_surfaces)
: Texture(service_locator, format, levels, alpha_is_one,
resize_to_pot, enable_render_surfaces),
locked_levels_(0) {
RegisterReadOnlyParamRef(kWidthParamName, &width_param_);
RegisterReadOnlyParamRef(kHeightParamName, &height_param_);
width_param_->set_read_only_value(width);
height_param_->set_read_only_value(height);
}
Texture2D::~Texture2D() {
if (locked_levels_ != 0) {
O3D_ERROR(service_locator())
<< "Texture2D \"" << name()
<< "\" was never unlocked before being destroyed.";
}
}
ObjectBase::Ref Texture2D::Create(ServiceLocator* service_locator) {
return ObjectBase::Ref();
}
Texture2DLockHelper::Texture2DLockHelper(Texture2D* texture, int level)
: texture_(texture),
level_(level),
data_(NULL),
locked_(false) {
}
Texture2DLockHelper::~Texture2DLockHelper() {
if (locked_) {
texture_->Unlock(level_);
}
}
void* Texture2DLockHelper::GetData() {
if (!locked_) {
locked_ = texture_->Lock(level_, &data_);
if (!locked_) {
O3D_ERROR(texture_->service_locator())
<< "Unable to lock buffer '" << texture_->name() << "'";
}
}
return data_;
}
TextureCUBE::TextureCUBE(ServiceLocator* service_locator,
int edge_length,
Format format,
int levels,
bool alpha_is_one,
bool resize_to_pot,
bool enable_render_surfaces)
: Texture(service_locator, format, levels, alpha_is_one,
resize_to_pot, enable_render_surfaces) {
for (unsigned int i = 0; i < 6; ++i) {
locked_levels_[i] = 0;
}
RegisterReadOnlyParamRef(kEdgeLengthParamName, &edge_length_param_);
edge_length_param_->set_read_only_value(edge_length);
}
TextureCUBE::~TextureCUBE() {
for (unsigned int i = 0; i < 6; ++i) {
if (locked_levels_[i] != 0) {
O3D_ERROR(service_locator())
<< "TextureCUBE \"" << name() << "\" was never unlocked before"
<< "being destroyed.";
break; // No need to report it more than once.
}
}
}
ObjectBase::Ref TextureCUBE::Create(ServiceLocator* service_locator) {
return ObjectBase::Ref();
}
} // namespace o3d
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