496 lines
18 KiB
C++
496 lines
18 KiB
C++
/* OpenSceneGraph example, osganimate.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <osg/Notify>
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#include <osg/Timer>
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#include <osg/ArgumentParser>
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#include <osg/Texture1D>
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#include <osg/Texture2D>
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#include <osg/Texture3D>
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#include <osg/Geometry>
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#include <osg/FrameBufferObject>
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#include <osgViewer/Version>
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#include <stdio.h>
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#include <iostream>
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class MemoryTest : public osg::Referenced
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{
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public:
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};
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class GLObject : public osg::Referenced
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{
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public:
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virtual void apply(osg::RenderInfo& renderInfo) = 0;
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};
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class GLMemoryTest : public MemoryTest
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{
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public:
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virtual GLObject* allocate() = 0;
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};
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/////////////////////////////////////////////////////////////////////////
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//
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// Context test
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class ContextTest : public MemoryTest
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{
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public:
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ContextTest(int width, int height, bool pbuffer):
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_width(width),
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_height(height),
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_pbuffer(pbuffer) {}
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virtual osg::GraphicsContext* allocate()
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{
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osg::ref_ptr<osg::GraphicsContext::Traits> traits = new osg::GraphicsContext::Traits;
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traits->width = _width;
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traits->height = _height;
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traits->windowDecoration = true;
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traits->pbuffer = _pbuffer;
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osg::ref_ptr<osg::GraphicsContext> window = osg::GraphicsContext::createGraphicsContext(traits.get());
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if (window.valid())
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{
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if (window->realize())
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{
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return window.release();
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}
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else
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{
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if (_pbuffer) throw "Failed to realize PixelBuffer";
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else throw "Failed to realize GraphicsWindow";
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}
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}
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else
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{
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std::cerr<<"Error: Unable to create graphics context, problem with running osgViewer-"<<osgViewerGetVersion()<<", cannot create windows/pbuffers."<<std::endl;
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if (_pbuffer) throw "Failed to create PixelBuffer";
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else throw "Failed to create GraphicsWindow";
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}
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}
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protected:
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int _width;
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int _height;
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bool _pbuffer;
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};
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////////////////////////////////////////////////////////////////////////
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//
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// Wrap StateAttribute
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class StateAttributeObject : public GLObject
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{
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public:
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StateAttributeObject(osg::StateAttribute* sa): _attribute(sa) {}
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void apply(osg::RenderInfo& renderInfo)
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{
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_attribute->apply(*renderInfo.getState());
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if (renderInfo.getState()->checkGLErrors(_attribute.get()))
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{
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throw "OpenGL error";
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}
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}
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osg::ref_ptr<osg::StateAttribute> _attribute;
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};
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/////////////////////////////////////////////////////////////////////////
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//
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// Texture test
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class TextureTest : public GLMemoryTest
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{
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public:
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TextureTest(int width=256, int height=256, int depth=1):
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_width(width),
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_height(height),
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_depth(depth) {}
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virtual GLObject* allocate()
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{
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if (_depth>1)
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{
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osg::ref_ptr<osg::Image> image = new osg::Image;
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image->allocateImage(_width, _height, _depth, GL_RGBA, GL_UNSIGNED_BYTE);
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osg::ref_ptr<osg::Texture3D> texture = new osg::Texture3D;
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texture->setImage(image.get());
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texture->setResizeNonPowerOfTwoHint(false);
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return new StateAttributeObject(texture.get());
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}
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if (_height>1)
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{
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osg::ref_ptr<osg::Image> image = new osg::Image;
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image->allocateImage(_width, _height, 1, GL_RGBA, GL_UNSIGNED_BYTE);
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osg::ref_ptr<osg::Texture2D> texture = new osg::Texture2D;
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texture->setImage(image.get());
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texture->setResizeNonPowerOfTwoHint(false);
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return new StateAttributeObject(texture.get());
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}
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if (_width>1)
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{
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osg::ref_ptr<osg::Image> image = new osg::Image;
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image->allocateImage(_width, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE);
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osg::ref_ptr<osg::Texture1D> texture = new osg::Texture1D;
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texture->setImage(image.get());
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texture->setResizeNonPowerOfTwoHint(false);
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return new StateAttributeObject(texture.get());
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}
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else
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{
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throw "Invalid texture size of 0,0,0";
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}
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}
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protected:
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int _width;
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int _height;
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int _depth;
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};
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/////////////////////////////////////////////////////////////////////////
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//
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// FrameBufferObject test
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class FboTest : public GLMemoryTest
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{
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public:
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FboTest(int width=1024, int height=1024, int depth=2):
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_width(width),
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_height(height),
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_depth(depth) {}
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virtual GLObject* allocate()
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{
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osg::ref_ptr<osg::FrameBufferObject> fbo = new osg::FrameBufferObject;
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if (_depth>=1) fbo->setAttachment(osg::Camera::COLOR_BUFFER, osg::FrameBufferAttachment(new osg::RenderBuffer(_width, _height, GL_RGBA)));
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if (_depth>=2) fbo->setAttachment(osg::Camera::DEPTH_BUFFER, osg::FrameBufferAttachment(new osg::RenderBuffer(_width, _height, GL_DEPTH_COMPONENT24)));
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return new StateAttributeObject(fbo.get());
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}
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protected:
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int _width;
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int _height;
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int _depth;
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};
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////////////////////////////////////////////////////////////////////////
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//
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// Wrap Drawable
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class DrawableObject : public GLObject
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{
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public:
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DrawableObject(osg::Drawable* drawable): _drawable(drawable) {}
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void apply(osg::RenderInfo& renderInfo)
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{
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_drawable->draw(renderInfo);
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if (renderInfo.getState()->checkGLErrors("Drawable"))
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{
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throw "OpenGL error";
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}
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}
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osg::ref_ptr<osg::Drawable> _drawable;
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};
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/////////////////////////////////////////////////////////////////////////
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//
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// Geometry test
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class GeometryTest : public GLMemoryTest
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{
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public:
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enum GLObjectType
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{
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VERTEX_ARRAY,
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DISPLAY_LIST,
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VERTEX_BUFFER_OBJECT
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};
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GeometryTest(GLObjectType type, int width=64, int height=64):
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_glObjectType(type),
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_width(width),
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_height(height) {}
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virtual GLObject* allocate()
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{
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unsigned int numVertices = _width * _height;
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osg::Vec3Array* vertices = new osg::Vec3Array(numVertices);
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for(int j=0; j<_height; ++j)
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{
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for(int i=0; i<_width; ++i)
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{
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(*vertices)[i+j*_width].set(float(i),float(j),0.0f);
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}
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}
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unsigned int numIndices = (_width-1) * (_height-1) * 4;
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osg::DrawElementsUShort* quads = new osg::DrawElementsUShort(GL_QUADS);
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quads->reserve(numIndices);
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for(int j=0; j<_height-1; ++j)
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{
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for(int i=0; i<_width-1; ++i)
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{
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quads->push_back(i + j*_width);
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quads->push_back(i+1 + j*_width);
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quads->push_back(i+1 + (j+1)*_width);
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quads->push_back(i + (j+1)*_width);
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}
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}
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osg::Geometry* geometry = new osg::Geometry;
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geometry->setVertexArray(vertices);
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geometry->addPrimitiveSet(quads);
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switch(_glObjectType)
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{
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case(VERTEX_ARRAY):
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geometry->setUseDisplayList(false);
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geometry->setUseVertexBufferObjects(false);
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break;
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case(DISPLAY_LIST):
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geometry->setUseDisplayList(true);
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geometry->setUseVertexBufferObjects(false);
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break;
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case(VERTEX_BUFFER_OBJECT):
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geometry->setUseDisplayList(false);
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geometry->setUseVertexBufferObjects(true);
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break;
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}
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return new DrawableObject(geometry);
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}
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protected:
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GLObjectType _glObjectType;
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int _width;
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int _height;
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};
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int main( int argc, char **argv )
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{
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osg::ArgumentParser arguments(&argc,argv);
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arguments.getApplicationUsage()->setApplicationName(arguments.getApplicationName());
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arguments.getApplicationUsage()->setDescription(arguments.getApplicationName()+" tests OpenGL and Windowing memory scalability..");
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arguments.getApplicationUsage()->addCommandLineOption("-h or --help","List command line options.");
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arguments.getApplicationUsage()->addCommandLineOption("--pbuffer","Create a 512x512 pixel buffer.");
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arguments.getApplicationUsage()->addCommandLineOption("--pbuffer <width> <height>","Create a pixel buffer of specified dimensions.");
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arguments.getApplicationUsage()->addCommandLineOption("--window","Create a 512x512 graphics window.");
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arguments.getApplicationUsage()->addCommandLineOption("--window <width> <height>","Create a graphics window of specified dimensions.");
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arguments.getApplicationUsage()->addCommandLineOption("--delay <micoseconds>","Set a delay in microseconds before all OpenGL object operations.");
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arguments.getApplicationUsage()->addCommandLineOption("--texture <width> <height> <depth>","Allocate a 3D texture of specified dimensions.");
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arguments.getApplicationUsage()->addCommandLineOption("--texture <width> <height>","Allocate a 2D texture of specified dimensions.");
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arguments.getApplicationUsage()->addCommandLineOption("--texture <width>","Allocate a 1D texture of specified dimensions.");
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arguments.getApplicationUsage()->addCommandLineOption("--geometry <width> <height>","Allocate a osg::Geometry representing a grid of specified size, using OpenGL Dislay Lists.");
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arguments.getApplicationUsage()->addCommandLineOption("--geometry-va <width> <height>","Allocate a osg::Geometry representing a grid of specified size, using Vertex Arrays.");
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arguments.getApplicationUsage()->addCommandLineOption("--geometry-vbo <width> <height>","Allocate a osg::Geometry representing a grid of specified size, using Vertex Buffer Objects.");
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arguments.getApplicationUsage()->addCommandLineOption("--fbo <width> <height>","Allocate a FrameBufferObject of specified dimensions.");
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arguments.getApplicationUsage()->addCommandLineOption("-c <num>","Set the number of contexts to create of each type specified.");
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arguments.getApplicationUsage()->addCommandLineOption("-g <num>","Set the number of GL objects to create of each type specified.");
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if (arguments.read("-h") || arguments.read("--help"))
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{
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arguments.getApplicationUsage()->write(std::cout, osg::ApplicationUsage::COMMAND_LINE_OPTION);
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return 1;
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}
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if (arguments.argc()<=1)
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{
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arguments.getApplicationUsage()->write(std::cout,osg::ApplicationUsage::COMMAND_LINE_OPTION);
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return 1;
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}
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typedef std::list< osg::ref_ptr<GLMemoryTest> > GLMemoryTests;
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typedef std::list< osg::ref_ptr<ContextTest> > ContextTests;
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ContextTests contextTests;
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GLMemoryTests glMemoryTests;
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int width, height, depth;
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while(arguments.read("--pbuffer",width,height)) { contextTests.push_back(new ContextTest(width, height, true)); }
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while(arguments.read("--pbuffer")) { contextTests.push_back(new ContextTest(512, 512, true)); }
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while(arguments.read("--window",width,height)) { contextTests.push_back(new ContextTest(width, height, false)); }
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while(arguments.read("--window")) { contextTests.push_back(new ContextTest(512,512, false)); }
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while(arguments.read("--texture",width,height,depth)) { glMemoryTests.push_back(new TextureTest(width,height,depth)); }
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while(arguments.read("--texture",width,height)) { glMemoryTests.push_back(new TextureTest(width,height,1)); }
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while(arguments.read("--texture",width)) { glMemoryTests.push_back(new TextureTest(width,1,1)); }
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while(arguments.read("--fbo",width,height,depth)) { glMemoryTests.push_back(new FboTest(width,height,depth)); }
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while(arguments.read("--fbo",width,height)) { glMemoryTests.push_back(new FboTest(width,height,2)); }
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while(arguments.read("--fbo")) { glMemoryTests.push_back(new FboTest(1024,1024,2)); }
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while(arguments.read("--geometry",width,height)) { glMemoryTests.push_back(new GeometryTest(GeometryTest::DISPLAY_LIST,width,height)); }
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while(arguments.read("--geometry")) { glMemoryTests.push_back(new GeometryTest(GeometryTest::DISPLAY_LIST,64,64)); }
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while(arguments.read("--geometry-vbo",width,height)) { glMemoryTests.push_back(new GeometryTest(GeometryTest::VERTEX_BUFFER_OBJECT,width,height)); }
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while(arguments.read("--geometry-vbo")) { glMemoryTests.push_back(new GeometryTest(GeometryTest::VERTEX_BUFFER_OBJECT,64,64)); }
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while(arguments.read("--geometry-va",width,height)) { glMemoryTests.push_back(new GeometryTest(GeometryTest::VERTEX_ARRAY,width,height)); }
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while(arguments.read("--geometry-va")) { glMemoryTests.push_back(new GeometryTest(GeometryTest::VERTEX_ARRAY,64,64)); }
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unsigned int sleepTime = 0;
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while(arguments.read("--delay",sleepTime)) {}
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int maxNumContextIterations = 1;
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while(arguments.read("-c",maxNumContextIterations)) {}
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int maxNumGLIterations = 1000;
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while(arguments.read("-g",maxNumGLIterations)) {}
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#if 0
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// any option left unread are converted into errors to write out later.
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arguments.reportRemainingOptionsAsUnrecognized();
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// report any errors if they have occurred when parsing the program arguments.
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if (arguments.errors())
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{
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arguments.writeErrorMessages(std::cout);
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return 1;
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}
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#endif
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typedef std::list< osg::ref_ptr<osg::GraphicsContext> > Contexts;
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typedef std::list< osg::ref_ptr<GLObject> > GLObjects;
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Contexts allocatedContexts;
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GLObjects glObjects;
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if (contextTests.empty())
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{
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if (glMemoryTests.empty())
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{
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std::cout<<"No tests specified, please specify test using the command line options below."<<std::endl<<std::endl;
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arguments.getApplicationUsage()->write(std::cout,osg::ApplicationUsage::COMMAND_LINE_OPTION);
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return 1;
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}
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else
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{
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contextTests.push_back(new ContextTest(512,512, false));
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}
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}
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osg::Timer_t startTick = osg::Timer::instance()->tick();
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// use printf's below as C++'s ostream classes use more memory and are more likely to fail when everything
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// goes wrong with memory allocations.
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int numContextIterations = 0;
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int numGLObjectIterations = 0;
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int numGLObjectsApplied = 0;
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try
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{
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for(; numGLObjectIterations<maxNumGLIterations; ++numGLObjectIterations)
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{
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for(GLMemoryTests::iterator itr = glMemoryTests.begin();
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itr != glMemoryTests.end();
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++itr)
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{
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osg::ref_ptr<GLObject> glObject = (*itr)->allocate();
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if (glObject.valid()) glObjects.push_back(glObject.get());
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}
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}
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for(;numContextIterations<maxNumContextIterations; ++numContextIterations)
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{
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printf("GraphicsContext %i\n",numContextIterations);
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for(ContextTests::iterator itr = contextTests.begin();
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itr != contextTests.end();
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++itr)
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{
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osg::ref_ptr<osg::GraphicsContext> context = (*itr)->allocate();
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if (context.valid())
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{
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allocatedContexts.push_back(context);
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context->makeCurrent();
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osg::RenderInfo renderInfo;
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renderInfo.setState(context->getState());
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for(GLObjects::iterator gitr = glObjects.begin();
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gitr != glObjects.end();
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++gitr)
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{
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if (sleepTime>0) OpenThreads::Thread::microSleep( sleepTime );
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printf("%i ",numGLObjectsApplied);fflush(stdout);
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(*gitr)->apply(renderInfo);
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++numGLObjectsApplied;
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}
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context->releaseContext();
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printf("\n\n"); fflush(stdout);
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}
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}
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}
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}
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catch(const char* errorString)
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{
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printf("\nException caught, contexts completed = %i, gl objects successfully applied = %i, error = %s\n\n",numContextIterations, numGLObjectsApplied, errorString);
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return 1;
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}
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catch(...)
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{
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printf("\nException caught, contexts completed = %i, gl objects successfully applied = %i\n\n",numContextIterations, numGLObjectsApplied);
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return 1;
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}
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osg::Timer_t endTick = osg::Timer::instance()->tick();
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printf("\nSuccessful completion, contexts created = %i, gl objects applied = %i\n",numContextIterations, numGLObjectsApplied);
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printf("Duration = %f seconds.\n\n",osg::Timer::instance()->delta_s(startTick, endTick));
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return 0;
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}
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