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public void draw(float[] cameraView, float[] cameraPerspective) {
if (done || !prepared) {
return;
}
synchronized (this) {
if (frameAvailable) {
videoTexture.updateTexImage();
frameAvailable = false;
if (videoTexture != null) {
videoTexture.getTransformMatrix(mTexCoordTransformationMatrix[0]);
setVideoDimensions(mTexCoordTransformationMatrix[0]);
createQuadTextCoord();
}
}
}
Matrix.multiplyMM(modelView, 0, cameraView, 0, mModelMatrix, 0);
Matrix.multiplyMM(modelViewProjection, 0, cameraPerspective, 0, modelView, 0);
// ShaderUtil.checkGLError(TAG, "Before draw");
GLES20.glEnable(GL10.GL_BLEND);
GLES20.glBlendFunc(GL10.GL_SRC_ALPHA, GL10.GL_ONE_MINUS_SRC_ALPHA);
GLES20.glBindTexture(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, mTextureId);
GLES20.glUseProgram(mQuadProgram);
// Set the vertex positions.
GLES20.glVertexAttribPointer(mQuadPositionParam, COORDS_PER_VERTEX,
GLES20.GL_FLOAT, false, 0, mQuadVertices);
// Set the texture coordinates.
GLES20.glVertexAttribPointer(mQuadTexCoordParam, TEXCOORDS_PER_VERTEX,
GLES20.GL_FLOAT, false, 0, fillBuffer(VIDEO_QUAD_TEXTCOORDS_TRANSFORMED));
// Enable vertex arrays
GLES20.glEnableVertexAttribArray(mQuadPositionParam);
GLES20.glEnableVertexAttribArray(mQuadTexCoordParam);
GLES20.glUniformMatrix4fv(mModelViewProjectionUniform, 1, false,
modelViewProjection, 0);
GLES20.glDrawArrays(GLES20.GL_TRIANGLE_STRIP, 0, 4);
// Disable vertex arrays
GLES20.glDisableVertexAttribArray(mQuadPositionParam);
GLES20.glDisableVertexAttribArray(mQuadTexCoordParam);
ShaderUtil.checkGLError(TAG, "Draw");
}
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