private void dilateVelocity(fx_Quad quad, fx_Special special, Texture velocity_texture)
{
int blur_amount = 150;
_pDilate.bind();
GL.Uniform1(_pDilate.getUniform("blur_amount"), blur_amount);
GL.Uniform2(_pDilate.getUniform("texture_size"), _tVelocity_1.dimensions.Xy);
int fragmentation = 2;
//------------------------------------------------------
// Horizontal
//------------------------------------------------------
GL.Uniform1(_pDilate.getUniform("direction_selector"), 0);
velocity_texture.bind(_pDilate.getSamplerUniform(0), 0);
_tVelocity_2.bindImageUnit(_pDilate.getSamplerUniform(1), 1, TextureAccess.WriteOnly);
GL.DispatchCompute((int)_tVelocity_1.dimensions.Y, fragmentation, 1);
GL.MemoryBarrier(MemoryBarrierFlags.ShaderImageAccessBarrierBit);
//------------------------------------------------------
// Vertical
//------------------------------------------------------
GL.Uniform1(_pDilate.getUniform("direction_selector"), 1);
_tVelocity_2.bind(_pDilate.getSamplerUniform(0), 0);
_tVelocity_1.bindImageUnit(_pDilate.getSamplerUniform(1), 1, TextureAccess.WriteOnly);
GL.DispatchCompute((int)_tVelocity_1.dimensions.X, fragmentation, 1);
GL.MemoryBarrier(MemoryBarrierFlags.ShaderImageAccessBarrierBit);
}
public void render(fx_Quad quad, fx_Special special, Texture scene_texture, FrameBuffer scene_fbo, Matrix4 camera_matrix)
{
getBrightSpots(quad, scene_texture);
genFlare(quad, special);
genBloom(quad, special);
blend(quad, scene_fbo, camera_matrix);
}
private void genBloom(fx_Quad quad, fx_Special special)
{
// Blur bloom texture at multiple levels of detail and combine for noice effect
GL.Enable(EnableCap.Blend);
GL.BlendEquation(BlendEquationMode.FuncAdd);
GL.BlendFunc(BlendingFactorSrc.One, BlendingFactorDest.One);
special.blur_Gauss(quad, 40, _tBloom, _fLens, DrawBuffersEnum.ColorAttachment0, 1);
special.blur_Gauss(quad, 40, _tBloom, _fLens, DrawBuffersEnum.ColorAttachment0, 0.5f);
special.blur_Gauss(quad, 40, _tBloom, _fLens, DrawBuffersEnum.ColorAttachment0, 0.25f);
special.blur_Gauss(quad, 40, _tBloom, _fLens, DrawBuffersEnum.ColorAttachment0, 0.125f);
GL.Disable(EnableCap.Blend);
}
public void render(fx_Quad quad, fx_Special special, Texture depth_texture, FrameBuffer scene_fbo, Texture scene_texture)
{
autoFocus(depth_texture);
//printFocusDistance();
genCOC(quad, special, depth_texture);
resetBokeh();
extractBokeh(quad, depth_texture, scene_texture);
//printBokehCount();
genBokeh(depth_texture);
genDOF(quad, depth_texture);
blendDOF(quad, special, scene_fbo, scene_texture);
}
private void genFlare(fx_Quad quad, fx_Special special)
{
_fLens.bind(DrawBuffersEnum.ColorAttachment1);
GL.Clear(ClearBufferMask.ColorBufferBit);
GL.Viewport(0, 0, _tFlare.width, _tFlare.height);
_pFlare.bind();
_tBloom.bind(_pFlare.getSamplerUniform(0), 0);
_iLensColor.bind(_pFlare.getSamplerUniform(1), 1);
quad.render();
//special.blur_MovingAverage(15, _tFlare);
special.blur_Gauss(quad, 75, _tFlare, _fLens, DrawBuffersEnum.ColorAttachment1);
}
private void blendDOF(fx_Quad quad, fx_Special special, FrameBuffer scene_fbo, Texture scene_texture)
{
GL.CopyImageSubData(scene_texture.id, ImageTarget.Texture2D, 0, 0, 0, 0,
special.tSpecial.id, ImageTarget.Texture2D, 0, 0, 0, 0,
_resolution.W, _resolution.H, 1);
scene_fbo.bind(DrawBuffersEnum.ColorAttachment0);
GL.Clear(ClearBufferMask.ColorBufferBit);
GL.Viewport(0, 0, _resolution.W, _resolution.H);
_pDOF_Blend.bind();
special.tSpecial.bind(_pDOF_Blend.getSamplerUniform(0), 0);
_tDOF_Scene.bind(_pDOF_Blend.getSamplerUniform(1), 1);
_tCOC_Final.bind(_pDOF_Blend.getSamplerUniform(2), 2);
_tBokeh_Points.bind(_pDOF_Blend.getSamplerUniform(3), 3);
quad.render();
}
public void render(fx_Quad quad, fx_Special special, FrameBuffer scene_fbo, Texture scene_texture, Texture depth_texture, Texture velocity_texture, float fps)
{
dilateVelocity(quad, special, velocity_texture);
motionBlur(quad, scene_fbo, scene_texture, depth_texture, fps);
}
//------------------------------------------------------
// COC
//------------------------------------------------------
private void genCOC(fx_Quad quad, fx_Special special, Texture depth_texture)
{
//------------------------------------------------------
// Calculate COC
//------------------------------------------------------
_fHalfResolution.bind(new DrawBuffersEnum[]
{
DrawBuffersEnum.ColorAttachment0,
DrawBuffersEnum.ColorAttachment1,
DrawBuffersEnum.ColorAttachment2
});
GL.Clear(ClearBufferMask.ColorBufferBit);
GL.Viewport(0, 0, _tCOC.width, _tCOC.height);
_pCOC.bind();
_ssboAutoFocus.bind(0);
depth_texture.bind(_pCOC.getSamplerUniform(0), 0);
GL.Uniform1(_pCOC.getUniform("PPM"), _PPM);
GL.Uniform1(_pCOC.getUniform("focus_length"), _focus_length);
GL.Uniform1(_pCOC.getUniform("fStop"), _fStop);
GL.Uniform1(_pCOC.getUniform("max_blur"), _max_blur);
quad.render();
special.blur_Gauss(quad, 60, _tCOC_Foreground_Blurred, _fHalfResolution, DrawBuffersEnum.ColorAttachment1);
//------------------------------------------------------
// Fix COC
//------------------------------------------------------
_fHalfResolution.bind(new DrawBuffersEnum[]
{
DrawBuffersEnum.ColorAttachment3,
});
GL.Clear(ClearBufferMask.ColorBufferBit);
GL.Viewport(0, 0, _tCOC.width, _tCOC.height);
_pCOC_Fix.bind();
_tCOC_Foreground.bind(_pCOC_Fix.getSamplerUniform(0), 0);
_tCOC_Foreground_Blurred.bind(_pCOC_Fix.getSamplerUniform(1), 1);
quad.render();
special.blur_Gauss(quad, 10, _tCOC_Foreground_Final, _fHalfResolution, DrawBuffersEnum.ColorAttachment3);
//------------------------------------------------------
// Combine COC
//------------------------------------------------------
_fFullResoution.bind(new DrawBuffersEnum[]
{
DrawBuffersEnum.ColorAttachment0,
});
GL.Clear(ClearBufferMask.ColorBufferBit);
GL.Viewport(0, 0, _tCOC_Final.width, _tCOC_Final.height);
_pCOC_Combine.bind();
_tCOC.bind(_pCOC_Combine.getSamplerUniform(0), 0);
_tCOC_Foreground_Final.bind(_pCOC_Combine.getSamplerUniform(1), 1);
quad.render();
}