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authorSven Gothel <[email protected]>2014-02-14 06:37:13 +0100
committerSven Gothel <[email protected]>2014-02-14 06:37:13 +0100
commit82f679b064784213591b460fc5eaa1f5f196fbd1 (patch)
tree58baaf8ee0461d8f481c287223192e78583983f6 /make/scripts/setenv-jogl.sh
parentfb12b0b6fa37d3a4136bb04597b3c32b15832c82 (diff)
Bug 975 - GLJPanel's OffscreenDrawable shall not double swap - Use default auto-swap mechanims
Refines commit 908ebd99d1eb57ce773a1fdd67c76886da86b9e6 Note that the test case decide whether to auto-swap (after read-pixels) or not auto-swap (manual swap before read-pixels). See UITestCase.swapBuffersBeforeRead(GLCapabilitiesImmutable chosenCaps): Determines whether the chosen GLCapabilitiesImmutable requires a swap-buffers before reading pixels. Usually one uses the default-read-buffer, i.e. GL.GL_FRONT for single-buffer and GL.GL_BACK for double-buffer GLDrawables and GL.GL_COLOR_ATTACHMENT0 for offscreen framebuffer objects. Here swap-buffers shall happen after calling reading pixels, the default. However, multisampling offscreen GLFBODrawables utilize swap-buffers to downsample the multisamples into the readable sampling sink. In this case, we require a swap-buffers before reading pixels. Returns: chosenCaps.isFBO() && chosenCaps.getSampleBuffers() +++ - GLJPanel: - Remove SurfaceUpdatedListener mechanism in favor of default auto-swap-buffer via GLDrawableHelper. This removes complexity. - postGL does not need to perform explicit swapBuffer operation, but rely on GLDrawableHelper and the default mechanism. This is also compatible w/ J2D backend. - Use GLDrawableHelper for setAutoSwapBufferMode(..) and getAutoSwapBufferMode() +++ UnitTests: - UITestCase: - Add 'boolean swapBuffersBeforeRead(GLCapabilitiesImmutable chosenCaps)' to determine whether swapBuffers() must occure before read-pixels. See above. - GLReadBuffer00Base* - remove explicit addSnapshotGLEL/removeSnapshotGLEL - add TextRendererGLEL, to display frame-count and -dimension - SnapshotGLEL* - simply toggle auto-swap in their init(..) and dispose(..) method! - clear back-buffer if 'swapBuffersBeforeRead' to test whether the right buffer is being used for read-pixels.
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