diff options
Diffstat (limited to 'src/jogl/classes/com')
| -rw-r--r-- | src/jogl/classes/com/jogamp/opengl/util/GLPixelBuffer.java | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/src/jogl/classes/com/jogamp/opengl/util/GLPixelBuffer.java b/src/jogl/classes/com/jogamp/opengl/util/GLPixelBuffer.java index 0e3497bd4..845c23080 100644 --- a/src/jogl/classes/com/jogamp/opengl/util/GLPixelBuffer.java +++ b/src/jogl/classes/com/jogamp/opengl/util/GLPixelBuffer.java @@ -321,14 +321,24 @@ public class GLPixelBuffer { } else if( 4 == componentCount || glesReadMode ) { final GLContext ctx = gl.getContext(); final int _dFormat = ctx.getDefaultPixelDataFormat(); - final int dComps = GLBuffers.componentCount(_dFormat); - if( dComps == componentCount || 4 == dComps ) { // accept if desired component count or 4 components - dFormat = _dFormat; - dType = ctx.getDefaultPixelDataType(); - } else { - dFormat = GL.GL_RGBA; - dType = GL.GL_UNSIGNED_BYTE; + final int _dComps = GLBuffers.componentCount(_dFormat); + if( _dComps == componentCount || 4 == _dComps ) { // accept if desired component count or 4 components + // pre-check whether default is supported by implementation + final int _dType = ctx.getDefaultPixelDataType(); + final PixelFormat _pixFmt = getPixelFormat(_dFormat, _dType); + if( null != _pixFmt) { + return new GLPixelAttributes(null, _pixFmt, _dFormat, _dType, pack, true); + } + if( GLContext.DEBUG ) { + System.err.println("GLPixelAttributes.convert("+gl.getGLProfile()+", comps "+componentCount+", pack "+pack+ + "): GL-impl default unsupported: "+ + "[fmt 0x"+Integer.toHexString(_dFormat)+", type 0x"+Integer.toHexString(_dType)+"]: Using std RGBA+UBYTE"); + Thread.dumpStack(); + } + // fall-through intended to set dFormat/dType to std values } + dFormat = GL.GL_RGBA; + dType = GL.GL_UNSIGNED_BYTE; } else { return null; } |