/**
* Note: This should only be called from the QFT under the AWT lock. This method is kept separate
* from the initSurface() method below just to keep the code a bit cleaner.
*/
private void initSurfaceNow(int width, int height) {
boolean isOpaque = (getTransparency() == Transparency.OPAQUE);
boolean success = false;
switch (type) {
case PBUFFER:
success =
initPbuffer(
getNativeOps(), graphicsConfig.getNativeConfigInfo(), isOpaque, width, height);
break;
case TEXTURE:
success =
initTexture(
getNativeOps(),
isOpaque,
isTexNonPow2Available(),
isTexRectAvailable(),
width,
height);
break;
case FBOBJECT:
success =
initFBObject(
getNativeOps(),
isOpaque,
isTexNonPow2Available(),
isTexRectAvailable(),
width,
height);
break;
case FLIP_BACKBUFFER:
success = initFlipBackbuffer(getNativeOps());
break;
default:
break;
}
if (!success) {
throw new OutOfMemoryError("can't create offscreen surface");
}
}
@Override
protected MaskFill getMaskFill(SunGraphics2D sg2d) {
if (sg2d.paintState > sg2d.PAINT_ALPHACOLOR) {
/*
* We can only accelerate non-Color MaskFill operations if
* all of the following conditions hold true:
* - there is an implementation for the given paintState
* - the current Paint can be accelerated for this destination
* - multitexturing is available (since we need to modulate
* the alpha mask texture with the paint texture)
*
* In all other cases, we return null, in which case the
* validation code will choose a more general software-based loop.
*/
if (!OGLPaints.isValid(sg2d) || !graphicsConfig.isCapPresent(CAPS_MULTITEXTURE)) {
return null;
}
}
return super.getMaskFill(sg2d);
}
/**
* Returns true if OpenGL textures can have non-power-of-two dimensions when using the
* GL_TEXTURE_RECTANGLE_ARB target (only available when the GL_ARB_texture_rectangle extension is
* present).
*/
boolean isTexRectAvailable() {
return graphicsConfig.isCapPresent(CAPS_EXT_TEXRECT);
}
/**
* Returns true if OpenGL textures can have non-power-of-two dimensions when using the basic
* GL_TEXTURE_2D target.
*/
boolean isTexNonPow2Available() {
return graphicsConfig.isCapPresent(CAPS_TEXNONPOW2);
}
public void validatePipe(SunGraphics2D sg2d) {
TextPipe textpipe;
boolean validated = false;
// OGLTextRenderer handles both AA and non-AA text, but
// only works with the following modes:
// (Note: For LCD text we only enter this code path if
// canRenderLCDText() has already validated that the mode is
// CompositeType.SrcNoEa (opaque color), which will be subsumed
// by the CompositeType.SrcNoEa (any color) test below.)
if (
/* CompositeType.SrcNoEa (any color) */
(sg2d.compositeState <= sg2d.COMP_ISCOPY && sg2d.paintState <= sg2d.PAINT_ALPHACOLOR)
||
/* CompositeType.SrcOver (any color) */
(sg2d.compositeState == sg2d.COMP_ALPHA
&& sg2d.paintState <= sg2d.PAINT_ALPHACOLOR
&& (((AlphaComposite) sg2d.composite).getRule() == AlphaComposite.SRC_OVER))
||
/* CompositeType.Xor (any color) */
(sg2d.compositeState == sg2d.COMP_XOR && sg2d.paintState <= sg2d.PAINT_ALPHACOLOR)) {
textpipe = oglTextPipe;
} else {
// do this to initialize textpipe correctly; we will attempt
// to override the non-text pipes below
super.validatePipe(sg2d);
textpipe = sg2d.textpipe;
validated = true;
}
PixelToParallelogramConverter txPipe = null;
OGLRenderer nonTxPipe = null;
if (sg2d.antialiasHint != SunHints.INTVAL_ANTIALIAS_ON) {
if (sg2d.paintState <= sg2d.PAINT_ALPHACOLOR) {
if (sg2d.compositeState <= sg2d.COMP_XOR) {
txPipe = oglTxRenderPipe;
nonTxPipe = oglRenderPipe;
}
} else if (sg2d.compositeState <= sg2d.COMP_ALPHA) {
if (OGLPaints.isValid(sg2d)) {
txPipe = oglTxRenderPipe;
nonTxPipe = oglRenderPipe;
}
// custom paints handled by super.validatePipe() below
}
} else {
if (sg2d.paintState <= sg2d.PAINT_ALPHACOLOR) {
if (graphicsConfig.isCapPresent(CAPS_PS30)
&& (sg2d.imageComp == CompositeType.SrcOverNoEa
|| sg2d.imageComp == CompositeType.SrcOver)) {
if (!validated) {
super.validatePipe(sg2d);
validated = true;
}
PixelToParallelogramConverter aaConverter =
new PixelToParallelogramConverter(
sg2d.shapepipe, oglAAPgramPipe, 1.0 / 8.0, 0.499, false);
sg2d.drawpipe = aaConverter;
sg2d.fillpipe = aaConverter;
sg2d.shapepipe = aaConverter;
} else if (sg2d.compositeState == sg2d.COMP_XOR) {
// install the solid pipes when AA and XOR are both enabled
txPipe = oglTxRenderPipe;
nonTxPipe = oglRenderPipe;
}
}
// other cases handled by super.validatePipe() below
}
if (txPipe != null) {
if (sg2d.transformState >= sg2d.TRANSFORM_TRANSLATESCALE) {
sg2d.drawpipe = txPipe;
sg2d.fillpipe = txPipe;
} else if (sg2d.strokeState != sg2d.STROKE_THIN) {
sg2d.drawpipe = txPipe;
sg2d.fillpipe = nonTxPipe;
} else {
sg2d.drawpipe = nonTxPipe;
sg2d.fillpipe = nonTxPipe;
}
// Note that we use the transforming pipe here because it
// will examine the shape and possibly perform an optimized
// operation if it can be simplified. The simplifications
// will be valid for all STROKE and TRANSFORM types.
sg2d.shapepipe = txPipe;
} else {
if (!validated) {
super.validatePipe(sg2d);
}
}
// install the text pipe based on our earlier decision
sg2d.textpipe = textpipe;
// always override the image pipe with the specialized OGL pipe
sg2d.imagepipe = oglImagePipe;
}
/**
* For now, we can only render LCD text if: - the fragment shader extension is available, and -
* blending is disabled, and - the source color is opaque
*
* <p>Eventually, we could enhance the native OGL text rendering code and remove the above
* restrictions, but that would require significantly more code just to support a few uncommon
* cases.
*/
public boolean canRenderLCDText(SunGraphics2D sg2d) {
return graphicsConfig.isCapPresent(CAPS_EXT_LCD_SHADER)
&& sg2d.compositeState <= SunGraphics2D.COMP_ISCOPY
&& sg2d.paintState <= SunGraphics2D.PAINT_OPAQUECOLOR;
}
/** Returns the OGLContext for the GraphicsConfig associated with this surface. */
public final OGLContext getContext() {
return graphicsConfig.getContext();
}
protected OGLSurfaceData(OGLGraphicsConfig gc, ColorModel cm, int type) {
super(getCustomSurfaceType(type), cm);
this.graphicsConfig = gc;
this.type = type;
setBlitProxyKey(gc.getProxyKey());
}