FGFS-4.1/OpenSceneGraph
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From Anthousis Andreadis, added multiple sampling test for multiple rendering targets which is activated by the --ms command line option.

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This commit is contained in:
Robert Osfield 2011-06-15 09:35:25 +00:00
parent b06ef64a39
commit ba489a04a3
1 changed files with 11 additions and 3 deletions
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14
examples/osgmultiplerendertargets/osgmultiplerendertargets.cpp
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@ -194,7 +194,7 @@ osg::Group* createRTTQuad(unsigned int tex_width, unsigned int tex_height, bool
// Here a scene consisting of a single quad is created. This scene is viewed by the screen camera.
// The quad is textured using a shader and the multiple textures generated in the RTT stage.
osg::Node* createScene(osg::Node* cam_subgraph, unsigned int tex_width, unsigned int tex_height, bool useHDR, bool useImage)
osg::Node* createScene(osg::Node* cam_subgraph, unsigned int tex_width, unsigned int tex_height, bool useHDR, bool useImage, bool useMultiSample)
{
if (!cam_subgraph) return 0;
@ -348,7 +348,12 @@ osg::Node* createScene(osg::Node* cam_subgraph, unsigned int tex_width, unsigned
// attach the textures to use
for (int i=0; i<NUM_TEXTURES; i++) {
camera->attach(osg::Camera::BufferComponent(osg::Camera::COLOR_BUFFER0+i), textureRect[i]);
if (useMultiSample)
camera->attach(osg::Camera::BufferComponent(osg::Camera::COLOR_BUFFER0+i), textureRect[i], 0, 0, false, 4, 4);
else
camera->attach(osg::Camera::BufferComponent(osg::Camera::COLOR_BUFFER0+i), textureRect[i]);
}
// we can also read back any of the targets as an image, modify this image and push it back
@ -416,10 +421,13 @@ int main( int argc, char **argv )
bool useImage = false;
while (arguments.read("--image")) { useImage = true; }
bool useMultiSample = false;
while (arguments.read("--ms")) { useMultiSample = true; }
osg::Group* subGraph = createRTTQuad(tex_width, tex_height, useHDR);
osg::Group* rootNode = new osg::Group();
rootNode->addChild(createScene(subGraph, tex_width, tex_height, useHDR, useImage));
rootNode->addChild(createScene(subGraph, tex_width, tex_height, useHDR, useImage, useMultiSample));
// add model to the viewer.
viewer.setSceneData( rootNode );