Revision af4cc5db
Added by Leszek Koltunski about 7 years ago
src/main/java/org/distorted/library/DistortedFramebuffer.java | ||
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* User is able to create offscreen FBOs and both a) render to them b) use their COLOR0 attachment as |
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* an input texture. |
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*/ |
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public class DistortedFramebuffer extends DistortedRenderable implements DistortedInputSurface, DistortedOutputSurface
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public class DistortedFramebuffer extends DistortedOutputSurface implements DistortedInputSurface
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{ |
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private int[] mDepthH = new int[1]; |
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private int[] mFBOH = new int[1]; |
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private boolean mDepthEnabled; |
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private DistortedProjection mProjection; |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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// Must be called from a thread holding OpenGL Context |
... | ... | |
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// if new size fits into the size of the underlying Texture, just change the projection without |
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// reallocating the Texture. Otherwise, we need to reallocate. |
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// |
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// Must be called form a thread holding the OpenGL context.
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// Must be called from a thread holding the OpenGL context.
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void resizeFast(int width, int height) |
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{ |
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if( mProjection.resize(width,height) )
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if( mWidth!=width || mHeight!=height )
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{ |
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mWidth = width; |
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mHeight= height; |
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createProjection(); |
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if( width> mSizeX || height> mSizeY) |
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{ |
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mSizeX = width; |
... | ... | |
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public DistortedFramebuffer(int width, int height, boolean depthEnabled) |
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{ |
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super(width,height,NOT_CREATED_YET); |
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mProjection = new DistortedProjection(width,height); |
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mDepthEnabled= depthEnabled; |
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mFBOH[0] = NOT_CREATED_YET; |
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mDepthH[0] = NOT_CREATED_YET; |
... | ... | |
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public DistortedFramebuffer(int width, int height) |
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{ |
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super(width,height,NOT_CREATED_YET); |
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mProjection = new DistortedProjection(width,height); |
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mDepthEnabled= false; |
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mFBOH[0] = NOT_CREATED_YET; |
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mDepthH[0] = NOT_CREATED_YET; |
... | ... | |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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/** |
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* Bind the underlying rectangle of pixels as a OpenGL Texture. |
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* |
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* @returns <code>true</code> if successful. |
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*/ |
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public boolean setAsInput() |
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{ |
... | ... | |
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mDepthEnabled = enable; |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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/** |
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* Draw the (texture,mesh,effects) object to the Framebuffer. |
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* <p> |
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* Must be called from a thread holding OpenGL Context. |
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* |
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* @param surface InputSurface to skin our Mesh with. |
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* @param mesh Class descendant from MeshObject |
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* @param effects The DistortedEffects to use when rendering |
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* @param time Current time, in milliseconds. |
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*/ |
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public void renderTo(DistortedInputSurface surface, MeshObject mesh, DistortedEffects effects, long time) |
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{ |
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surface.create(); // Watch out - this needs to be before |
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create(); // the 'setAsInput' because this has side-effects! |
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if( surface.setAsInput() ) |
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{ |
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DistortedRenderable.deleteAllMarked(); |
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effects.drawPriv(surface.getWidth()/2.0f, surface.getHeight()/2.0f, mesh, this, time); |
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} |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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/** |
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* Draws the Tree, and all its children, to the Framebuffer. |
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* <p> |
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* Must be called from a thread holding OpenGL Context. |
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* |
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* @param dt DistortedTree to render. |
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* @param time Current time, in milliseconds. This will be passed to all the Effects stored in the Tree. |
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*/ |
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public void renderTo(DistortedTree dt, long time) |
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{ |
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DistortedRenderable.deleteAllMarked(); |
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create(); |
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dt.drawRecursive(time,this); |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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/** |
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* Create new Projection matrix. |
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* |
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* @param fov Vertical 'field of view' of the Projection frustrum (in degrees). |
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* @param x X-coordinate of the point at which our camera looks at. 0 is the center. |
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* @param y Y-coordinate of the point at which our camera looks at. 0 is the center. |
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*/ |
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public void setProjection(float fov, float x, float y) |
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{ |
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mProjection.set(fov,x,y); |
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mProjection.createProjection(); |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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/** |
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* Resize the underlying Framebuffer. |
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* |
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* @param width The new width. |
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* @param height The new height. |
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*/ |
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public void resize(int width, int height) |
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{ |
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if( mProjection.resize(width,height) ) |
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{ |
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mSizeX = width; |
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mSizeY = height; |
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if( mColorH[0]>0 ) markForDeletion(); |
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} |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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/** |
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* Return the ID of the Texture (COLOR attachment 0) that's backing this FBO. |
... | ... | |
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{ |
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return mDepthEnabled; |
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} |
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////////////////////////////////////////////////////////////////////////////////////////////////// |
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/** |
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* Return Projection stored in this Framebuffer. |
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* |
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* @return DistortedProjection object. |
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*/ |
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public DistortedProjection getProjection() |
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{ |
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return mProjection; |
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} |
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} |
Also available in: Unified diff
Simplify yesterday's refactoring.