private void setFBO(GL10 glUnused, boolean useBuffer) {
if (useBuffer) {
// Bind the framebuffer
GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, fb[0]);
// specify texture as color attachment
GLES20.glFramebufferTexture2D(
GLES20.GL_FRAMEBUFFER,
GLES20.GL_COLOR_ATTACHMENT0,
GLES20.GL_TEXTURE_2D,
renderTex[0],
0);
// attach render buffer as depth buffer
GLES20.glFramebufferRenderbuffer(
GLES20.GL_FRAMEBUFFER, GLES20.GL_DEPTH_ATTACHMENT, GLES20.GL_RENDERBUFFER, depthRb[0]);
// check status
int status = GLES20.glCheckFramebufferStatus(GLES20.GL_FRAMEBUFFER);
if (status != GLES20.GL_FRAMEBUFFER_COMPLETE)
Log.e("Selection", "Frame buffer couldn't attach!");
GLES20.glClearColor(.0f, .0f, .0f, 1.0f);
GLES20.glClear(GLES20.GL_DEPTH_BUFFER_BIT | GLES20.GL_COLOR_BUFFER_BIT);
} else {
GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, 0);
}
}
public static void a(
IntBuffer intbuffer, IntBuffer intbuffer1, IntBuffer intbuffer2, int i, int j) {
intbuffer.position(0);
GLES20.glGenFramebuffers(1, intbuffer);
GLES20.glBindFramebuffer(36160, intbuffer.get(0));
a(i, j, intbuffer2);
if (GLES20.glCheckFramebufferStatus(36160) != 36053) {
Log.e("FBO-Helper", "Failure with framebuffer generation");
}
GLES20.glBindFramebuffer(36160, 0);
}
@Override
public void attach() {
if (!isPrepared()) {
prepare();
}
glBindFramebuffer(GL_FRAMEBUFFER, glRes());
}
public void beforeDrawFrame() {
this.mDrawingFrame = true;
if (this.mFovsChanged || this.mTextureFormatChanged) {
this.updateTextureAndDistortionMesh();
}
GLES20.glGetIntegerv(GLES20.GL_FRAMEBUFFER_BINDING, this.mOriginalFramebufferId);
GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, this.mFramebufferId);
}
private int setupRenderTextureAndRenderbuffer(final int width, final int height) {
if (this.mTextureId != -1) {
GLES20.glDeleteTextures(1, new int[] {this.mTextureId}, 0);
}
if (this.mRenderbufferId != -1) {
GLES20.glDeleteRenderbuffers(1, new int[] {this.mRenderbufferId}, 0);
}
if (this.mFramebufferId != -1) {
GLES20.glDeleteFramebuffers(1, new int[] {this.mFramebufferId}, 0);
}
this.mTextureId = this.createTexture(width, height, this.mTextureFormat, this.mTextureType);
this.mTextureFormatChanged = false;
this.checkGlError("setupRenderTextureAndRenderbuffer: create texture");
final int[] renderbufferIds = {0};
GLES20.glGenRenderbuffers(1, renderbufferIds, 0);
GLES20.glBindRenderbuffer(GLES20.GL_RENDERBUFFER, renderbufferIds[0]);
GLES20.glRenderbufferStorage(
GLES20.GL_RENDERBUFFER, GLES20.GL_DEPTH_COMPONENT16, width, height);
this.mRenderbufferId = renderbufferIds[0];
this.checkGlError("setupRenderTextureAndRenderbuffer: create renderbuffer");
final int[] framebufferIds = {0};
GLES20.glGenFramebuffers(1, framebufferIds, 0);
GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, framebufferIds[0]);
this.mFramebufferId = framebufferIds[0];
GLES20.glFramebufferTexture2D(
GLES20.GL_FRAMEBUFFER,
GLES20.GL_COLOR_ATTACHMENT0,
GLES20.GL_TEXTURE_2D,
this.mTextureId,
0);
GLES20.glFramebufferRenderbuffer(
GLES20.GL_FRAMEBUFFER,
GLES20.GL_DEPTH_ATTACHMENT,
GLES20.GL_RENDERBUFFER,
renderbufferIds[0]);
final int status = GLES20.glCheckFramebufferStatus(GLES20.GL_FRAMEBUFFER);
if (status != GLES20.GL_FRAMEBUFFER_COMPLETE) {
final String s = "Framebuffer is not complete: ";
final String value = String.valueOf(Integer.toHexString(status));
throw new RuntimeException((value.length() != 0) ? s.concat(value) : new String(s));
}
GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, 0);
return framebufferIds[0];
}
@Override
public void onDrawFrame(GL10 glUnused) {
// PREPARE
mTexturedRectangle.reset();
// FETCH AND TRANSFER FRAME TO TEXTURE
if (mRenderRequest == RenderRequest.ALL || mExternalSurfaceTexture.isTextureUpdateAvailable()) {
mExternalSurfaceTexture.updateTexture();
mFramebufferIn.bind();
mReadExternalTextureShaderProgram.use();
mReadExternalTextureShaderProgram.setTexture(mExternalSurfaceTexture);
mTexturedRectangle.draw(mReadExternalTextureShaderProgram);
mRenderRequest = RenderRequest.EFFECT;
}
// MANIPULATE TEXTURE WITH SHADER(S)
if (mRenderRequest == RenderRequest.EFFECT) {
if (mEffect != null) {
mEffect.apply(mFramebufferIn.getTexture(), mFramebufferOut);
} else {
mFramebufferOut.bind();
mDefaultShaderProgram.use();
mDefaultShaderProgram.setTexture(mFramebufferIn.getTexture());
mTexturedRectangle.draw(mDefaultShaderProgram);
}
mRenderRequest = RenderRequest.GEOMETRY;
}
// RENDER TEXTURE TO SCREEN
if (mRenderRequest == RenderRequest.GEOMETRY) {
GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, 0); // framebuffer 0 is the screen
GLES20.glClear(GLES20.GL_DEPTH_BUFFER_BIT | GLES20.GL_COLOR_BUFFER_BIT);
mTextureToScreenShaderProgram.use();
mTextureToScreenShaderProgram.setTexture(mFramebufferOut.getTexture());
mTexturedRectangle.translate(0.0f, 0.0f, -1.0f);
mTexturedRectangle.calculateMVP(mViewMatrix, mProjectionMatrix);
mTexturedRectangle.draw(mTextureToScreenShaderProgram);
}
// STUFF
// mFrameRateCalculator.frame();
mRenderRequest = RenderRequest.DEFAULT;
}
@Override
public void glBindFramebuffer(int target, int framebuffer) {
GLES20.glBindFramebuffer(target, framebuffer);
}
@Override
public void detach() {
glBindFramebuffer(GL_FRAMEBUFFER, 0);
}
public void afterDrawFrame() {
GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, this.mOriginalFramebufferId.array()[0]);
this.undistortTexture(this.mTextureId);
this.mDrawingFrame = false;
}
private void draw(GlRectDrawer drawer) {
if (!seenFrame) {
// No frame received yet - nothing to render.
return;
}
long now = System.nanoTime();
final boolean isNewFrame;
synchronized (pendingFrameLock) {
isNewFrame = (pendingFrame != null);
if (isNewFrame && startTimeNs == -1) {
startTimeNs = now;
}
if (isNewFrame) {
if (pendingFrame.yuvFrame) {
rendererType = RendererType.RENDERER_YUV;
drawer.uploadYuvData(
yuvTextures,
pendingFrame.width,
pendingFrame.height,
pendingFrame.yuvStrides,
pendingFrame.yuvPlanes);
// The convention in WebRTC is that the first element in a ByteBuffer corresponds to the
// top-left corner of the image, but in glTexImage2D() the first element corresponds to
// the bottom-left corner. We correct this discrepancy by setting a vertical flip as
// sampling matrix.
final float[] samplingMatrix = RendererCommon.verticalFlipMatrix();
rotatedSamplingMatrix =
RendererCommon.rotateTextureMatrix(samplingMatrix, pendingFrame.rotationDegree);
} else {
rendererType = RendererType.RENDERER_TEXTURE;
// External texture rendering. Update texture image to latest and make a deep copy of
// the external texture.
// TODO(magjed): Move updateTexImage() to the video source instead.
final SurfaceTexture surfaceTexture = (SurfaceTexture) pendingFrame.textureObject;
surfaceTexture.updateTexImage();
final float[] samplingMatrix = new float[16];
surfaceTexture.getTransformMatrix(samplingMatrix);
rotatedSamplingMatrix =
RendererCommon.rotateTextureMatrix(samplingMatrix, pendingFrame.rotationDegree);
// Reallocate offscreen texture if necessary.
textureCopy.setSize(pendingFrame.rotatedWidth(), pendingFrame.rotatedHeight());
// Bind our offscreen framebuffer.
GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, textureCopy.getFrameBufferId());
GlUtil.checkNoGLES2Error("glBindFramebuffer");
// Copy the OES texture content. This will also normalize the sampling matrix.
GLES20.glViewport(0, 0, textureCopy.getWidth(), textureCopy.getHeight());
drawer.drawOes(pendingFrame.textureId, rotatedSamplingMatrix);
rotatedSamplingMatrix = RendererCommon.identityMatrix();
// Restore normal framebuffer.
GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, 0);
}
copyTimeNs += (System.nanoTime() - now);
VideoRenderer.renderFrameDone(pendingFrame);
pendingFrame = null;
}
}
// OpenGL defaults to lower left origin - flip vertically.
GLES20.glViewport(
displayLayout.left,
screenHeight - displayLayout.bottom,
displayLayout.width(),
displayLayout.height());
updateLayoutMatrix();
final float[] texMatrix =
RendererCommon.multiplyMatrices(rotatedSamplingMatrix, layoutMatrix);
if (rendererType == RendererType.RENDERER_YUV) {
drawer.drawYuv(yuvTextures, texMatrix);
} else {
drawer.drawRgb(textureCopy.getTextureId(), texMatrix);
}
if (isNewFrame) {
framesRendered++;
drawTimeNs += (System.nanoTime() - now);
if ((framesRendered % 300) == 0) {
logStatistics();
}
}
}