/usr/include/SurgSim/Graphics/OsgRenderTarget-inl.h is in libopensurgsim-dev 0.7.0-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 | // This file is a part of the OpenSurgSim project.
// Copyright 2013, SimQuest Solutions Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef SURGSIM_GRAPHICS_OSGRENDERTARGET_INL_H
#define SURGSIM_GRAPHICS_OSGRENDERTARGET_INL_H
namespace SurgSim
{
namespace Graphics
{
// Osg Supports 16 Color Attachments plus the depth texture
const int OsgSupportedTextureCount = 16 + 1;
template <class T>
OsgRenderTarget<T>::OsgRenderTarget() :
m_width(0),
m_height(0),
m_colorTargetCount(0),
m_textures(OsgSupportedTextureCount)
{
}
template <class T>
OsgRenderTarget<T>::OsgRenderTarget(
int width,
int height,
double scale,
int colorCount,
bool useDepth) :
m_width(width * scale),
m_height(height * scale),
m_colorTargetCount(0),
m_textures(OsgSupportedTextureCount)
{
setColorTargetCount(colorCount);
useDepthTarget(useDepth);
}
template <class T>
OsgRenderTarget<T>::~OsgRenderTarget()
{
}
template <class T>
void OsgRenderTarget<T>::getSize(int* width, int* height) const
{
*width = m_width;
*height = m_height;
}
template <class T>
int OsgRenderTarget<T>::setColorTargetCount(int count)
{
int result = (count < 16) ? count : 16;
// This does not check against graphics card capabilities, the max 16 provided
// by OSG might not be supported by the current graphics card
// Keep the other texture allocated when the count goes down
// Rendertargets are probably not going to change that much once set up
// #memory
for (int i = m_colorTargetCount; i < result; ++i)
{
setupTexture(TARGETTYPE_COLORBASE + i);
}
m_colorTargetCount = result;
return result;
}
template <class T>
int OsgRenderTarget<T>::getColorTargetCount() const
{
return m_colorTargetCount;
}
template <class T>
std::shared_ptr<Texture> OsgRenderTarget<T>::getColorTarget(int index) const
{
std::shared_ptr<Texture> result;
if (index < m_colorTargetCount)
{
result = m_textures[TARGETTYPE_COLORBASE + index];
}
return result;
}
template <class T>
std::shared_ptr<OsgTexture> OsgRenderTarget<T>::getColorTargetOsg(int index) const
{
std::shared_ptr<T> result;
if (index < m_colorTargetCount)
{
result = m_textures[TARGETTYPE_COLORBASE + index];
}
return result;
}
template <class T>
void OsgRenderTarget<T>::useDepthTarget(bool val)
{
if (val)
{
setupTexture(TARGETTYPE_DEPTH);
}
else
{
m_textures[TARGETTYPE_DEPTH] = nullptr;
}
}
template <class T>
bool OsgRenderTarget<T>::doesUseDepthTarget() const
{
return m_textures.at(TARGETTYPE_DEPTH) != nullptr;
}
template <class T>
std::shared_ptr<Texture> OsgRenderTarget<T>::getDepthTarget() const
{
return m_textures.at(TARGETTYPE_DEPTH);
}
template <class T>
std::shared_ptr<OsgTexture> OsgRenderTarget<T>::getDepthTargetOsg() const
{
return m_textures.at(TARGETTYPE_DEPTH);
}
template <class T>
void OsgRenderTarget<T>::setupTexture(int type)
{
if (m_textures[type] == nullptr)
{
m_textures[type] = std::make_shared<T>();
m_textures[type]->setSize(m_width, m_height);
osg::Texture* osgTexture = m_textures[type]->getOsgTexture();
// We are not dealing with mipmaps, fix up the filters to enable rendering to FBO
// see http://www.opengl.org/wiki/Common_Mistakes#Creating_a_complete_texture
osgTexture->setFilter(osg::Texture::MIN_FILTER, osg::Texture::LINEAR);
osgTexture->setFilter(osg::Texture::MAG_FILTER, osg::Texture::LINEAR);
osgTexture->setWrap(osg::Texture::WRAP_S, osg::Texture::CLAMP_TO_EDGE);
osgTexture->setWrap(osg::Texture::WRAP_T, osg::Texture::CLAMP_TO_EDGE);
if (type == TARGETTYPE_DEPTH)
{
osgTexture->setInternalFormat(GL_DEPTH_COMPONENT32F);
osgTexture->setSourceFormat(GL_DEPTH_COMPONENT);
osgTexture->setSourceType(GL_FLOAT);
osgTexture->setWrap(osg::Texture::WRAP_S, osg::Texture::CLAMP_TO_BORDER);
osgTexture->setWrap(osg::Texture::WRAP_T, osg::Texture::CLAMP_TO_BORDER);
osgTexture->setBorderColor(osg::Vec4(1.0, 1.0, 1.0, 1.0));
}
if (type >= TARGETTYPE_COLORBASE)
{
osgTexture->setInternalFormat(GL_RGBA32F_ARB);
osgTexture->setSourceFormat(GL_RGBA);
osgTexture->setSourceType(GL_FLOAT);
}
}
}
}; // namespace Graphics
}; // namespace SurgSim
#endif
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