/**
* Copyright 2010 JogAmp Community. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation are those of the
* authors and should not be interpreted as representing official policies, either expressed
* or implied, of JogAmp Community.
*/
package jogamp.graph.curve.opengl;
import java.nio.FloatBuffer;
import com.jogamp.opengl.GL2ES2;
import com.jogamp.opengl.GL;
import com.jogamp.opengl.GLUniformData;
import jogamp.graph.curve.opengl.shader.AttributeNames;
import jogamp.graph.curve.opengl.shader.UniformNames;
import com.jogamp.graph.curve.opengl.GLRegion;
import com.jogamp.graph.curve.opengl.RegionRenderer;
import com.jogamp.graph.curve.opengl.RenderState;
import com.jogamp.opengl.FBObject;
import com.jogamp.opengl.FBObject.Attachment;
import com.jogamp.opengl.math.FloatUtil;
import com.jogamp.opengl.math.geom.AABBox;
import com.jogamp.opengl.util.GLArrayDataServer;
import com.jogamp.opengl.util.glsl.ShaderProgram;
import com.jogamp.opengl.util.texture.Texture;
import com.jogamp.opengl.util.texture.TextureCoords;
import com.jogamp.opengl.util.texture.TextureSequence;
public class VBORegion2PMSAAES2 extends GLRegion {
private static final boolean DEBUG_FBO_1 = false;
private static final boolean DEBUG_FBO_2 = false;
private final RenderState.ProgramLocal rsLocal;
// Pass-1:
private GLArrayDataServer gca_VerticesAttr;
private GLArrayDataServer gca_CurveParamsAttr;
private GLArrayDataServer gca_ColorsAttr;
private GLArrayDataServer indicesBuffer;
private final GLUniformData gcu_ColorTexUnit;
private final float[] colorTexBBox; // x0, y0, x1, y1
private final GLUniformData gcu_ColorTexBBox;
private ShaderProgram spPass1 = null;
// Pass-2:
private GLArrayDataServer gca_FboVerticesAttr;
private GLArrayDataServer gca_FboTexCoordsAttr;
private GLArrayDataServer indicesFbo;
private final GLUniformData gcu_FboTexUnit;
private final float[] pmvMatrix02 = new float[2*16]; // P + Mv
private final GLUniformData gcu_PMVMatrix02;
private ShaderProgram spPass2 = null;
private FBObject fbo;
private int fboWidth = 0;
private int fboHeight = 0;
private boolean fboDirty = true;
final int[] maxTexSize = new int[] { -1 } ;
/**
* <p>
* Since multiple {@link Region}s may share one
* {@link ShaderProgram}, the uniform data must always be updated.
* </p>
*
* @param gl
* @param renderer
* @param renderModes
* @param pass1
* @param quality
* @param sampleCount
*/
public void useShaderProgram(final GL2ES2 gl, final RegionRenderer renderer, final int renderModes, final boolean pass1, final int quality, final int sampleCount) {
final RenderState rs = renderer.getRenderState();
final boolean updateLocGlobal = renderer.useShaderProgram(gl, renderModes, pass1, quality, sampleCount, colorTexSeq);
final ShaderProgram sp = renderer.getRenderState().getShaderProgram();
final boolean updateLocLocal;
if( pass1 ) {
updateLocLocal = !sp.equals(spPass1);
spPass1 = sp;
if( DEBUG ) {
System.err.println("XXX changedSP.p1 updateLocation loc "+updateLocLocal+" / glob "+updateLocGlobal);
}
if( updateLocLocal ) {
rs.updateAttributeLoc(gl, true, gca_VerticesAttr, true);
rs.updateAttributeLoc(gl, true, gca_CurveParamsAttr, true);
if( null != gca_ColorsAttr ) {
rs.updateAttributeLoc(gl, true, gca_ColorsAttr, true);
}
}
rsLocal.update(gl, rs, updateLocLocal, renderModes, true, true);
rs.updateUniformLoc(gl, updateLocLocal, gcu_PMVMatrix02, true);
if( null != gcu_ColorTexUnit ) {
rs.updateUniformLoc(gl, updateLocLocal, gcu_ColorTexUnit, true);
rs.updateUniformLoc(gl, updateLocLocal, gcu_ColorTexBBox, true);
}
} else {
updateLocLocal = !sp.equals(spPass2);
spPass2 = sp;
if( DEBUG ) {
System.err.println("XXX changedSP.p2 updateLocation loc "+updateLocLocal+" / glob "+updateLocGlobal);
}
if( updateLocLocal ) {
rs.updateAttributeLoc(gl, true, gca_FboVerticesAttr, true);
rs.updateAttributeLoc(gl, true, gca_FboTexCoordsAttr, true);
}
rsLocal.update(gl, rs, updateLocLocal, renderModes, false, true);
rs.updateUniformDataLoc(gl, updateLocLocal, false /* updateData */, gcu_FboTexUnit, true); // FIXME always update if changing tex-unit
}
}
public VBORegion2PMSAAES2(final int renderModes, final TextureSequence colorTexSeq, final int pass2TexUnit) {
super(renderModes, colorTexSeq);
rsLocal = new RenderState.ProgramLocal();
final int initialElementCount = 256;
// Pass 1:
indicesBuffer = GLArrayDataServer.createData(3, GL.GL_SHORT, initialElementCount, GL.GL_STATIC_DRAW, GL.GL_ELEMENT_ARRAY_BUFFER);
gca_VerticesAttr = GLArrayDataServer.createGLSL(AttributeNames.VERTEX_ATTR_NAME, 3, GL.GL_FLOAT,
false, initialElementCount, GL.GL_STATIC_DRAW);
gca_CurveParamsAttr = GLArrayDataServer.createGLSL(AttributeNames.CURVEPARAMS_ATTR_NAME, 3, GL.GL_FLOAT,
false, initialElementCount, GL.GL_STATIC_DRAW);
if( hasColorChannel() ) {
gca_ColorsAttr = GLArrayDataServer.createGLSL(AttributeNames.COLOR_ATTR_NAME, 4, GL.GL_FLOAT,
false, initialElementCount, GL.GL_STATIC_DRAW);
} else {
gca_ColorsAttr = null;
}
if( hasColorTexture() ) {
gcu_ColorTexUnit = new GLUniformData(UniformNames.gcu_ColorTexUnit, colorTexSeq.getTextureUnit());
colorTexBBox = new float[4];
gcu_ColorTexBBox = new GLUniformData(UniformNames.gcu_ColorTexBBox, 4, FloatBuffer.wrap(colorTexBBox));
} else {
gcu_ColorTexUnit = null;
colorTexBBox = null;
gcu_ColorTexBBox = null;
}
FloatUtil.makeIdentity(pmvMatrix02, 0);
FloatUtil.makeIdentity(pmvMatrix02, 16);
gcu_PMVMatrix02 = new GLUniformData(UniformNames.gcu_PMVMatrix02, 4, 4, FloatBuffer.wrap(pmvMatrix02));
// Pass 2:
gcu_FboTexUnit = new GLUniformData(UniformNames.gcu_FboTexUnit, pass2TexUnit);
indicesFbo = GLArrayDataServer.createData(3, GL.GL_SHORT, 2, GL.GL_STATIC_DRAW, GL.GL_ELEMENT_ARRAY_BUFFER);
indicesFbo.puts((short) 0); indicesFbo.puts((short) 1); indicesFbo.puts((short) 3);
indicesFbo.puts((short) 1); indicesFbo.puts((short) 2); indicesFbo.puts((short) 3);
indicesFbo.seal(true);
gca_FboTexCoordsAttr = GLArrayDataServer.createGLSL(AttributeNames.FBO_TEXCOORDS_ATTR_NAME, 2, GL.GL_FLOAT,
false, 4, GL.GL_STATIC_DRAW);
gca_FboTexCoordsAttr.putf(0); gca_FboTexCoordsAttr.putf(0);
gca_FboTexCoordsAttr.putf(0); gca_FboTexCoordsAttr.putf(1);
gca_FboTexCoordsAttr.putf(1); gca_FboTexCoordsAttr.putf(1);
gca_FboTexCoordsAttr.putf(1); gca_FboTexCoordsAttr.putf(0);
gca_FboTexCoordsAttr.seal(true);
gca_FboVerticesAttr = GLArrayDataServer.createGLSL(AttributeNames.FBO_VERTEX_ATTR_NAME, 3, GL.GL_FLOAT,
false, 4, GL.GL_STATIC_DRAW);
}
@Override
protected final void clearImpl(final GL2ES2 gl) {
if( null != indicesBuffer ) {
indicesBuffer.seal(gl, false);
indicesBuffer.rewind();
}
if( null != gca_VerticesAttr ) {
gca_VerticesAttr.seal(gl, false);
gca_VerticesAttr.rewind();
}
if( null != gca_CurveParamsAttr ) {
gca_CurveParamsAttr.seal(gl, false);
gca_CurveParamsAttr.rewind();
}
if( null != gca_ColorsAttr ) {
gca_ColorsAttr.seal(gl, false);
gca_ColorsAttr.rewind();
}
fboDirty = true;
}
@Override
protected final void pushVertex(final float[] coords, final float[] texParams, final float[] rgba) {
gca_VerticesAttr.putf(coords[0]);
gca_VerticesAttr.putf(coords[1]);
gca_VerticesAttr.putf(coords[2]);
gca_CurveParamsAttr.putf(texParams[0]);
gca_CurveParamsAttr.putf(texParams[1]);
gca_CurveParamsAttr.putf(texParams[2]);
if( null != gca_ColorsAttr ) {
if( null != rgba ) {
gca_ColorsAttr.putf(rgba[0]);
gca_ColorsAttr.putf(rgba[1]);
gca_ColorsAttr.putf(rgba[2]);
gca_ColorsAttr.putf(rgba[3]);
} else {
throw new IllegalArgumentException("Null color given for COLOR_CHANNEL rendering mode");
}
}
}
@Override
protected final void pushIndex(final int idx) {
indicesBuffer.puts((short)idx);
}
@Override
protected void updateImpl(final GL2ES2 gl) {
// seal buffers
indicesBuffer.seal(gl, true);
indicesBuffer.enableBuffer(gl, false);
gca_CurveParamsAttr.seal(gl, true);
gca_CurveParamsAttr.enableBuffer(gl, false);
gca_VerticesAttr.seal(gl, true);
gca_VerticesAttr.enableBuffer(gl, false);
if( null != gca_ColorsAttr ) {
gca_ColorsAttr.seal(gl, true);
gca_ColorsAttr.enableBuffer(gl, false);
}
if( null != gcu_ColorTexUnit && colorTexSeq.isTextureAvailable() ) {
final TextureSequence.TextureFrame frame = colorTexSeq.getLastTexture();
final Texture tex = frame.getTexture();
final TextureCoords tc = tex.getImageTexCoords();
final float tcSx = 1f / ( tc.right() - tc.left() );
colorTexBBox[0] = box.getMinX() * tcSx;
colorTexBBox[2] = box.getMaxX() * tcSx;
if( tex.getMustFlipVertically() ) {
final float tcSy = 1f / ( tc.bottom() - tc.top() );
colorTexBBox[1] = box.getMaxY() * tcSy;
colorTexBBox[3] = box.getMinY() * tcSy;
} else {
final float tcSy = 1f / ( tc.top() - tc.bottom() );
colorTexBBox[1] = box.getMinY() * tcSy;
colorTexBBox[3] = box.getMaxY() * tcSy;
}
}
gca_FboVerticesAttr.seal(gl, false);
{
final FloatBuffer fb = (FloatBuffer)gca_FboVerticesAttr.getBuffer();
fb.put( 2, box.getMinZ());
fb.put( 5, box.getMinZ());
fb.put( 8, box.getMinZ());
fb.put(11, box.getMinZ());
}
// Pending gca_FboVerticesAttr-seal and fboPMVMatrix-setup, follow fboDirty
// push data 2 GPU ..
indicesFbo.seal(gl, true);
indicesFbo.enableBuffer(gl, false);
fboDirty = true;
// the buffers were disabled, since due to real/fbo switching and other vbo usage
}
private final AABBox drawWinBox = new AABBox();
private final int[] drawView = new int[] { 0, 0, 0, 0 };
private final float[] drawVec4Tmp0 = new float[4];
private final float[] drawVec4Tmp1 = new float[4];
private final float[] drawVec4Tmp2 = new float[4];
private final float[] drawMat4PMv = new float[16];
private static final int border = 2; // surrounding border, i.e. width += 2*border, height +=2*border
@Override
protected void drawImpl(final GL2ES2 gl, final RegionRenderer renderer, final int[/*1*/] sampleCount) {
if( 0 >= indicesBuffer.getElementCount() ) {
if(DEBUG_INSTANCE) {
System.err.printf("VBORegion2PMSAAES2.drawImpl: Empty%n");
}
return; // empty!
}
if( Float.isInfinite(box.getWidth()) || Float.isInfinite(box.getHeight()) ) {
if(DEBUG_INSTANCE) {
System.err.printf("VBORegion2PMSAAES2.drawImpl: Inf %s%n", box);
}
return; // inf
}
final int vpWidth = renderer.getWidth();
final int vpHeight = renderer.getHeight();
if(vpWidth <=0 || vpHeight <= 0 || null==sampleCount || sampleCount[0] <= 0){
renderRegion(gl);
} else {
if(0 > maxTexSize[0]) {
gl.glGetIntegerv(GL.GL_MAX_TEXTURE_SIZE, maxTexSize, 0);
}
final RenderState rs = renderer.getRenderState();
final float winWidth, winHeight;
final float ratioObjWinWidth, ratioObjWinHeight;
final float diffObjWidth, diffObjHeight;
final float diffObjBorderWidth, diffObjBorderHeight;
int targetFboWidth, targetFboHeight;
{
final float diffWinWidth, diffWinHeight;
final int targetWinWidth, targetWinHeight;
// Calculate perspective pixel width/height for FBO,
// considering the sampleCount.
drawView[2] = vpWidth;
drawView[3] = vpHeight;
renderer.getMatrix().multPMvMatrixf(drawMat4PMv, 0);
box.mapToWindow(drawWinBox, drawMat4PMv, drawView, true /* useCenterZ */,
drawVec4Tmp0, drawVec4Tmp1, drawVec4Tmp2);
winWidth = drawWinBox.getWidth();
winHeight = drawWinBox.getHeight();
targetWinWidth = (int)Math.ceil(winWidth);
targetWinHeight = (int)Math.ceil(winHeight);
diffWinWidth = targetWinWidth-winWidth;
diffWinHeight = targetWinHeight-winHeight;
ratioObjWinWidth = box.getWidth() / winWidth;
ratioObjWinHeight= box.getHeight() / winHeight;
diffObjWidth = diffWinWidth * ratioObjWinWidth;
diffObjHeight = diffWinHeight * ratioObjWinHeight;
diffObjBorderWidth = border * ratioObjWinWidth;
diffObjBorderHeight = border * ratioObjWinHeight;
targetFboWidth = targetWinWidth+2*border;
targetFboHeight = targetWinHeight+2*border;
if( DEBUG_FBO_2 ) {
final float ratioWinWidth, ratioWinHeight;
ratioWinWidth = winWidth/targetWinWidth;
ratioWinHeight = winHeight/targetWinHeight;
System.err.printf("XXX.MinMax obj %s%n", box.toString());
System.err.printf("XXX.MinMax obj d[%.3f, %.3f], r[%f, %f], b[%f, %f]%n",
diffObjWidth, diffObjHeight, ratioObjWinWidth, ratioObjWinWidth, diffObjBorderWidth, diffObjBorderHeight);
System.err.printf("XXX.MinMax win %s%n", drawWinBox.toString());
System.err.printf("XXX.MinMax view[%d, %d] -> win[%.3f, %.3f], i[%d x %d], d[%.3f, %.3f], r[%f, %f]: FBO i[%d x %d], samples %d%n",
drawView[2], drawView[3],
winWidth, winHeight, targetWinWidth, targetWinHeight, diffWinWidth,
diffWinHeight, ratioWinWidth, ratioWinHeight,
targetFboWidth, targetFboHeight,
sampleCount[0]);
}
}
if( 0 >= targetFboWidth || 0 >= targetFboHeight ) {
// Nothing ..
return;
}
final int deltaFboWidth = Math.abs(targetFboWidth-fboWidth);
final int deltaFboHeight = Math.abs(targetFboHeight-fboHeight);
final boolean hasDelta = 0!=deltaFboWidth || 0!=deltaFboHeight;
if( DEBUG_FBO_2 ) {
System.err.printf("XXX.maxDelta: hasDelta %b: %d / %d, %.3f, %.3f%n",
hasDelta, deltaFboWidth, deltaFboHeight, (float)deltaFboWidth/fboWidth, (float)deltaFboHeight/fboHeight);
System.err.printf("XXX.Scale %d * [%f x %f]: %d x %d%n",
sampleCount[0], winWidth, winHeight, targetFboWidth, targetFboHeight);
}
if( hasDelta || fboDirty || isShapeDirty() || null == fbo || fbo.getNumSamples() != sampleCount[0] ) {
// FIXME: rescale
final float minX = box.getMinX()-diffObjBorderWidth;
final float minY = box.getMinY()-diffObjBorderHeight;
final float maxX = box.getMaxX()+diffObjBorderWidth+diffObjWidth;
final float maxY = box.getMaxY()+diffObjBorderHeight+diffObjHeight;
gca_FboVerticesAttr.seal(false);
{
final FloatBuffer fb = (FloatBuffer)gca_FboVerticesAttr.getBuffer();
fb.put(0, minX); fb.put( 1, minY);
fb.put(3, minX); fb.put( 4, maxY);
fb.put(6, maxX); fb.put( 7, maxY);
fb.put(9, maxX); fb.put(10, minY);
fb.position(12);
}
gca_FboVerticesAttr.seal(true);
FloatUtil.makeOrtho(pmvMatrix02, 0, true, minX, maxX, minY, maxY, -1, 1);
useShaderProgram(gl, renderer, getRenderModes(), true, getQuality(), sampleCount[0]);
renderRegion2FBO(gl, rs, targetFboWidth, targetFboHeight, vpWidth, vpHeight, sampleCount);
} else if( isStateDirty() ) {
useShaderProgram(gl, renderer, getRenderModes(), true, getQuality(), sampleCount[0]);
renderRegion2FBO(gl, rs, targetFboWidth, targetFboHeight, vpWidth, vpHeight, sampleCount);
}
useShaderProgram(gl, renderer, getRenderModes(), false, getQuality(), sampleCount[0]);
renderFBO(gl, rs, vpWidth, vpHeight, sampleCount[0]);
}
}
private void renderFBO(final GL2ES2 gl, final RenderState rs, final int width, final int height, final int sampleCount) {
gl.glViewport(0, 0, width, height);
if( rs.isHintMaskSet(RenderState.BITHINT_BLENDING_ENABLED | RenderState.BITHINT_GLOBAL_DEPTH_TEST_ENABLED) ) {
// RGB is already multiplied w/ alpha via renderRegion2FBO(..)
gl.glBlendFunc(GL.GL_ONE, GL.GL_ONE_MINUS_SRC_ALPHA);
gl.glEnable(GL.GL_DEPTH_TEST);
} else if( rs.isHintMaskSet(RenderState.BITHINT_BLENDING_ENABLED) ) {
// RGB is already multiplied w/ alpha via renderRegion2FBO(..)
gl.glBlendFunc(GL.GL_ONE, GL.GL_ONE_MINUS_SRC_ALPHA);
}
gl.glActiveTexture(GL.GL_TEXTURE0 + gcu_FboTexUnit.intValue());
fbo.use(gl, fbo.getSamplingSink().getTextureAttachment());
gca_FboVerticesAttr.enableBuffer(gl, true);
gca_FboTexCoordsAttr.enableBuffer(gl, true);
indicesFbo.bindBuffer(gl, true); // keeps VBO binding
gl.glDrawElements(GL.GL_TRIANGLES, indicesFbo.getElementCount() * indicesFbo.getComponentCount(), GL.GL_UNSIGNED_SHORT, 0);
indicesFbo.bindBuffer(gl, false);
gca_FboTexCoordsAttr.enableBuffer(gl, false);
gca_FboVerticesAttr.enableBuffer(gl, false);
fbo.unuse(gl);
// setback: gl.glActiveTexture(currentActiveTextureEngine[0]);
}
private void renderRegion2FBO(final GL2ES2 gl, final RenderState rs, final int targetFboWidth, final int targetFboHeight,
final int vpWidth, final int vpHeight, final int[] sampleCount) {
if( 0 >= targetFboWidth || 0 >= targetFboHeight ) {
throw new IllegalArgumentException("fboSize must be greater than 0: "+targetFboWidth+"x"+targetFboHeight);
}
final boolean blendingEnabled = rs.isHintMaskSet(RenderState.BITHINT_BLENDING_ENABLED);
if(null == fbo) {
fboWidth = targetFboWidth;
fboHeight = targetFboHeight;
fbo = new FBObject();
fbo.init(gl, fboWidth, fboHeight, sampleCount[0]);
sampleCount[0] = fbo.getNumSamples();
fbo.attachColorbuffer(gl, 0, true);
if( !blendingEnabled ) {
// no depth-buffer w/ blending
fbo.attachRenderbuffer(gl, Attachment.Type.DEPTH, FBObject.DEFAULT_BITS);
}
final FBObject ssink = new FBObject();
{
ssink.init(gl, fboWidth, fboHeight, 0);
// FIXME: shall not use bilinear (GL_LINEAR), due to MSAA ???
// ssink.attachTexture2D(gl, 0, true, GL2ES2.GL_LINEAR, GL2ES2.GL_LINEAR, GL2ES2.GL_CLAMP_TO_EDGE, GL2ES2.GL_CLAMP_TO_EDGE);
ssink.attachTexture2D(gl, 0, true, GL.GL_NEAREST, GL.GL_NEAREST, GL.GL_CLAMP_TO_EDGE, GL.GL_CLAMP_TO_EDGE);
if( !blendingEnabled ) {
// no depth-buffer w/ blending
ssink.attachRenderbuffer(gl, Attachment.Type.DEPTH, FBObject.DEFAULT_BITS);
}
}
fbo.setSamplingSink(ssink);
fbo.resetSamplingSink(gl); // validate
if( DEBUG_FBO_1 ) {
System.err.printf("XXX.createFBO: blending %b, %dx%d%n%s%n", blendingEnabled, fboWidth, fboHeight, fbo.toString());
}
} else if( targetFboWidth != fboWidth || targetFboHeight != fboHeight || fbo.getNumSamples() != sampleCount[0] ) {
fbo.reset(gl, targetFboWidth, targetFboHeight, sampleCount[0]);
sampleCount[0] = fbo.getNumSamples();
if( DEBUG_FBO_1 ) {
System.err.printf("XXX.resetFBO: %dx%d -> %dx%d%n%s%n", fboWidth, fboHeight, targetFboWidth, targetFboHeight, fbo );
}
fboWidth = targetFboWidth;
fboHeight = targetFboHeight;
}
fbo.bind(gl);
//render texture
gl.glViewport(0, 0, fboWidth, fboHeight);
if( blendingEnabled ) {
gl.glClearColor(0f, 0f, 0f, 0.0f);
gl.glClear(GL.GL_COLOR_BUFFER_BIT); // no depth-buffer w/ blending
// For already pre-multiplied alpha values, use:
// gl.glBlendFunc(GL.GL_ONE, GL.GL_ONE_MINUS_SRC_ALPHA);
// Multiply RGB w/ Alpha, preserve alpha for renderFBO(..)
gl.glBlendFuncSeparate(GL.GL_SRC_ALPHA, GL.GL_ONE_MINUS_SRC_ALPHA, GL.GL_ONE, GL.GL_ONE_MINUS_SRC_ALPHA);
if( rs.isHintMaskSet(RenderState.BITHINT_GLOBAL_DEPTH_TEST_ENABLED) ) {
gl.glDisable(GL.GL_DEPTH_TEST);
}
} else {
gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
}
renderRegion(gl);
fbo.unbind(gl);
fboDirty = false;
}
private void renderRegion(final GL2ES2 gl) {
gl.glUniform(gcu_PMVMatrix02);
gca_VerticesAttr.enableBuffer(gl, true);
gca_CurveParamsAttr.enableBuffer(gl, true);
if( null != gca_ColorsAttr ) {
gca_ColorsAttr.enableBuffer(gl, true);
}
indicesBuffer.bindBuffer(gl, true); // keeps VBO binding
if( null != gcu_ColorTexUnit && colorTexSeq.isTextureAvailable() ) {
final TextureSequence.TextureFrame frame = colorTexSeq.getNextTexture(gl);
gl.glActiveTexture(GL.GL_TEXTURE0 + colorTexSeq.getTextureUnit());
final Texture tex = frame.getTexture();
tex.bind(gl);
tex.enable(gl); // nop on core
gcu_ColorTexUnit.setData(colorTexSeq.getTextureUnit());
gl.glUniform(gcu_ColorTexUnit); // Always update, since program maybe used by multiple regions
gl.glUniform(gcu_ColorTexBBox); // Always update, since program maybe used by multiple regions
gl.glDrawElements(GL.GL_TRIANGLES, indicesBuffer.getElementCount() * indicesBuffer.getComponentCount(), GL.GL_UNSIGNED_SHORT, 0);
tex.disable(gl); // nop on core
} else {
gl.glDrawElements(GL.GL_TRIANGLES, indicesBuffer.getElementCount() * indicesBuffer.getComponentCount(), GL.GL_UNSIGNED_SHORT, 0);
}
indicesBuffer.bindBuffer(gl, false);
if( null != gca_ColorsAttr ) {
gca_ColorsAttr.enableBuffer(gl, false);
}
gca_CurveParamsAttr.enableBuffer(gl, false);
gca_VerticesAttr.enableBuffer(gl, false);
}
@Override
protected void destroyImpl(final GL2ES2 gl) {
if(DEBUG_INSTANCE) {
System.err.println("VBORegion2PES2 Destroy: " + this);
}
if(null != fbo) {
fbo.destroy(gl);
fbo = null;
}
if(null != gca_VerticesAttr) {
gca_VerticesAttr.destroy(gl);
gca_VerticesAttr = null;
}
if(null != gca_CurveParamsAttr) {
gca_CurveParamsAttr.destroy(gl);
gca_CurveParamsAttr = null;
}
if(null != gca_ColorsAttr) {
gca_ColorsAttr.destroy(gl);
gca_ColorsAttr = null;
}
if(null != indicesBuffer) {
indicesBuffer.destroy(gl);
indicesBuffer = null;
}
if(null != gca_FboVerticesAttr) {
gca_FboVerticesAttr.destroy(gl);
gca_FboVerticesAttr = null;
}
if(null != gca_FboTexCoordsAttr) {
gca_FboTexCoordsAttr.destroy(gl);
gca_FboTexCoordsAttr = null;
}
if(null != indicesFbo) {
indicesFbo.destroy(gl);
indicesFbo = null;
}
spPass1 = null;
spPass2 = null;
}
}