/** Render the post-processed scene */
FrameBuffer *PostProcessing::render(scene::ICameraSceneNode * const camnode)
{
IVideoDriver * const drv = irr_driver->getVideoDriver();
MotionBlurProvider * const mocb = (MotionBlurProvider *) irr_driver->
getCallback(ES_MOTIONBLUR);
GaussianBlurProvider * const gacb = (GaussianBlurProvider *) irr_driver->
getCallback(ES_GAUSSIAN3H);
FrameBuffer *in_fbo = &irr_driver->getFBO(FBO_COLORS);
FrameBuffer *out_fbo = &irr_driver->getFBO(FBO_TMP1_WITH_DS);
// Each effect uses these as named, and sets them up for the next effect.
// This allows chaining effects where some may be disabled.
// As the original color shouldn't be touched, the first effect can't be disabled.
glDisable(GL_DEPTH_TEST);
glDisable(GL_BLEND);
if (UserConfigParams::m_dof)
{
PROFILER_PUSH_CPU_MARKER("- DoF", 0xFF, 0x00, 0x00);
ScopedGPUTimer Timer(irr_driver->getGPUTimer(Q_DOF));
renderDoF(*out_fbo, in_fbo->getRTT()[0]);
std::swap(in_fbo, out_fbo);
PROFILER_POP_CPU_MARKER();
}
{
PROFILER_PUSH_CPU_MARKER("- Godrays", 0xFF, 0x00, 0x00);
ScopedGPUTimer Timer(irr_driver->getGPUTimer(Q_GODRAYS));
bool hasgodrays = false;
if (World::getWorld() != NULL)
hasgodrays = World::getWorld()->getTrack()->hasGodRays();
if (UserConfigParams::m_light_shaft && m_sunpixels > 30 && hasgodrays)
{
glEnable(GL_DEPTH_TEST);
// Grab the sky
out_fbo->Bind();
glClear(GL_COLOR_BUFFER_BIT);
irr_driver->renderSkybox(camnode);
// Set the sun's color
const SColor col = World::getWorld()->getTrack()->getSunColor();
ColorizeProvider * const colcb = (ColorizeProvider *)irr_driver->getCallback(ES_COLORIZE);
colcb->setColor(col.getRed() / 255.0f, col.getGreen() / 255.0f, col.getBlue() / 255.0f);
// The sun interposer
STKMeshSceneNode *sun = irr_driver->getSunInterposer();
irr_driver->getSceneManager()->drawAll(ESNRP_CAMERA);
irr_driver->setPhase(GLOW_PASS);
sun->render();
glDisable(GL_DEPTH_TEST);
// Fade to quarter
irr_driver->getFBO(FBO_QUARTER1).Bind();
glViewport(0, 0, UserConfigParams::m_width / 4, UserConfigParams::m_height / 4);
renderGodFade(out_fbo->getRTT()[0], col);
// Blur
renderGaussian3Blur(irr_driver->getFBO(FBO_QUARTER1), irr_driver->getFBO(FBO_QUARTER2));
// Calculate the sun's position in texcoords
const core::vector3df pos = sun->getPosition();
float ndc[4];
core::matrix4 trans = camnode->getProjectionMatrix();
trans *= camnode->getViewMatrix();
trans.transformVect(ndc, pos);
const float texh = m_vertices[0].v1.TCoords.Y - m_vertices[0].v0.TCoords.Y;
const float texw = m_vertices[0].v3.TCoords.X - m_vertices[0].v0.TCoords.X;
const float sunx = ((ndc[0] / ndc[3]) * 0.5f + 0.5f) * texw;
const float suny = ((ndc[1] / ndc[3]) * 0.5f + 0.5f) * texh;
// Rays please
irr_driver->getFBO(FBO_QUARTER2).Bind();
renderGodRay(irr_driver->getRenderTargetTexture(RTT_QUARTER1), core::vector2df(sunx, suny));
// Blur
renderGaussian3Blur(irr_driver->getFBO(FBO_QUARTER2), irr_driver->getFBO(FBO_QUARTER1));
// Blend
glEnable(GL_BLEND);
glBlendFunc(GL_ONE, GL_ONE);
glBlendEquation(GL_FUNC_ADD);
in_fbo->Bind();
renderPassThrough(irr_driver->getRenderTargetTexture(RTT_QUARTER2));
glDisable(GL_BLEND);
}
PROFILER_POP_CPU_MARKER();
}
// Simulate camera defects from there
{
PROFILER_PUSH_CPU_MARKER("- Bloom", 0xFF, 0x00, 0x00);
ScopedGPUTimer Timer(irr_driver->getGPUTimer(Q_BLOOM));
if (UserConfigParams::m_bloom)
{
glClear(GL_STENCIL_BUFFER_BIT);
glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_FALSE);
FrameBuffer::Blit(*in_fbo, irr_driver->getFBO(FBO_BLOOM_1024), GL_COLOR_BUFFER_BIT, GL_LINEAR);
irr_driver->getFBO(FBO_BLOOM_512).Bind();
renderBloom(irr_driver->getRenderTargetTexture(RTT_BLOOM_1024));
// Downsample
FrameBuffer::Blit(irr_driver->getFBO(FBO_BLOOM_512), irr_driver->getFBO(FBO_BLOOM_256), GL_COLOR_BUFFER_BIT, GL_LINEAR);
FrameBuffer::Blit(irr_driver->getFBO(FBO_BLOOM_256), irr_driver->getFBO(FBO_BLOOM_128), GL_COLOR_BUFFER_BIT, GL_LINEAR);
// Blur
renderGaussian6Blur(irr_driver->getFBO(FBO_BLOOM_512), irr_driver->getFBO(FBO_TMP_512));
renderGaussian6Blur(irr_driver->getFBO(FBO_BLOOM_256), irr_driver->getFBO(FBO_TMP_256));
renderGaussian6Blur(irr_driver->getFBO(FBO_BLOOM_128), irr_driver->getFBO(FBO_TMP_128));
// Additively blend on top of tmp1
in_fbo->Bind();
glEnable(GL_BLEND);
glBlendFunc(GL_ONE, GL_ONE);
glBlendEquation(GL_FUNC_ADD);
setTexture(0, irr_driver->getRenderTargetTexture(RTT_BLOOM_128), GL_LINEAR, GL_LINEAR);
setTexture(1, irr_driver->getRenderTargetTexture(RTT_BLOOM_256), GL_LINEAR, GL_LINEAR);
setTexture(2, irr_driver->getRenderTargetTexture(RTT_BLOOM_512), GL_LINEAR, GL_LINEAR);
glUseProgram(FullScreenShader::BloomBlendShader::Program);
FullScreenShader::BloomBlendShader::setUniforms(0, 1, 2);
glBindVertexArray(FullScreenShader::BloomBlendShader::vao);
glDrawArrays(GL_TRIANGLES, 0, 3);
glDisable(GL_BLEND);
glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
} // end if bloom
PROFILER_POP_CPU_MARKER();
}
//computeLogLuminance(in_rtt);
{
PROFILER_PUSH_CPU_MARKER("- Tonemap", 0xFF, 0x00, 0x00);
ScopedGPUTimer Timer(irr_driver->getGPUTimer(Q_TONEMAP));
toneMap(*out_fbo, in_fbo->getRTT()[0]);
std::swap(in_fbo, out_fbo);
PROFILER_POP_CPU_MARKER();
}
{
PROFILER_PUSH_CPU_MARKER("- Motion blur", 0xFF, 0x00, 0x00);
ScopedGPUTimer Timer(irr_driver->getGPUTimer(Q_MOTIONBLUR));
if (UserConfigParams::m_motionblur && m_any_boost && World::getWorld() != NULL) // motion blur
{
renderMotionBlur(0, *in_fbo, *out_fbo);
std::swap(in_fbo, out_fbo);
}
PROFILER_POP_CPU_MARKER();
}
glEnable(GL_FRAMEBUFFER_SRGB);
irr_driver->getFBO(FBO_MLAA_COLORS).Bind();
renderPassThrough(in_fbo->getRTT()[0]);
out_fbo = &irr_driver->getFBO(FBO_MLAA_COLORS);
if (UserConfigParams::m_mlaa) // MLAA. Must be the last pp filter.
{
PROFILER_PUSH_CPU_MARKER("- MLAA", 0xFF, 0x00, 0x00);
ScopedGPUTimer Timer(irr_driver->getGPUTimer(Q_MLAA));
applyMLAA();
PROFILER_POP_CPU_MARKER();
}
glDisable(GL_FRAMEBUFFER_SRGB);
return out_fbo;
} // render
/** Render the post-processed scene */
void PostProcessing::render()
{
if (!irr_driver->isGLSL()) return;
IVideoDriver * const drv = irr_driver->getVideoDriver();
drv->setTransform(ETS_WORLD, core::IdentityMatrix);
drv->setTransform(ETS_VIEW, core::IdentityMatrix);
drv->setTransform(ETS_PROJECTION, core::IdentityMatrix);
MotionBlurProvider * const mocb = (MotionBlurProvider *) irr_driver->
getCallback(ES_MOTIONBLUR);
GaussianBlurProvider * const gacb = (GaussianBlurProvider *) irr_driver->
getCallback(ES_GAUSSIAN3H);
const u32 cams = Camera::getNumCameras();
for(u32 cam = 0; cam < cams; cam++)
{
scene::ICameraSceneNode * const camnode =
Camera::getCamera(cam)->getCameraSceneNode();
mocb->setCurrentCamera(cam);
ITexture *in = irr_driver->getRTT(RTT_COLOR);
ITexture *out = irr_driver->getRTT(RTT_TMP1);
// Each effect uses these as named, and sets them up for the next effect.
// This allows chaining effects where some may be disabled.
// As the original color shouldn't be touched, the first effect can't be disabled.
PROFILER_PUSH_CPU_MARKER("- Bloom", 0xFF, 0x00, 0x00);
if (1) // bloom
{
// Blit the base to tmp1
drv->setRenderTarget(out, true, false);
renderPassThrough(in);
const bool globalbloom = World::getWorld()->getTrack()->getBloom();
if (globalbloom)
{
drv->setRenderTarget(irr_driver->getRTT(RTT_TMP3), true, false);
renderBloom(in);
}
if (globalbloom)
{
// Clear the alpha to a suitable value, stencil
glClearColor(0, 0, 0, 0.1f);
glColorMask(0, 0, 0, 1);
glClear(GL_STENCIL_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
glClearColor(0, 0, 0, 0);
glColorMask(1, 1, 1, 1);
// To half
drv->setRenderTarget(irr_driver->getRTT(RTT_HALF1), true, false);
renderPassThrough(irr_driver->getRTT(RTT_TMP3));
// To quarter
drv->setRenderTarget(irr_driver->getRTT(RTT_QUARTER1), true, false);
renderPassThrough(irr_driver->getRTT(RTT_HALF1));
// To eighth
drv->setRenderTarget(irr_driver->getRTT(RTT_EIGHTH1), true, false);
renderPassThrough(irr_driver->getRTT(RTT_QUARTER1));
// Blur it for distribution.
renderGaussian6Blur(irr_driver->getRTT(RTT_EIGHTH1), irr_driver->getRTT(RTT_EIGHTH2), 8.f / UserConfigParams::m_width, 8.f / UserConfigParams::m_height);
// Additively blend on top of tmp1
drv->setRenderTarget(out, false, false);
renderBloomBlend(irr_driver->getRTT(RTT_EIGHTH1));
} // end if bloom
in = irr_driver->getRTT(RTT_TMP1);
out = irr_driver->getRTT(RTT_TMP2);
}
PROFILER_POP_CPU_MARKER();
PROFILER_PUSH_CPU_MARKER("- Godrays", 0xFF, 0x00, 0x00);
if (m_sunpixels > 30)//World::getWorld()->getTrack()->hasGodRays() && ) // god rays
{
// Grab the sky
drv->setRenderTarget(out, true, false);
// irr_driver->getSceneManager()->drawAll(ESNRP_SKY_BOX);
irr_driver->renderSkybox();
// Set the sun's color
const SColor col = World::getWorld()->getTrack()->getSunColor();
ColorizeProvider * const colcb = (ColorizeProvider *) irr_driver->getCallback(ES_COLORIZE);
colcb->setColor(col.getRed() / 255.0f, col.getGreen() / 255.0f, col.getBlue() / 255.0f);
// The sun interposer
STKMeshSceneNode *sun = irr_driver->getSunInterposer();
/* sun->getMaterial(0).ColorMask = ECP_ALL;
irr_driver->getSceneManager()->setCurrentRendertime(ESNRP_SOLID);*/
irr_driver->getSceneManager()->drawAll(ESNRP_CAMERA);
irr_driver->setPhase(GLOW_PASS);
sun->render();
//sun->getMaterial(0).ColorMask = ECP_NONE;
// Fade to quarter
drv->setRenderTarget(irr_driver->getRTT(RTT_QUARTER1), false, false);
renderGodFade(getTextureGLuint(out), col);
// Blur
renderGaussian3Blur(irr_driver->getRTT(RTT_QUARTER1),
irr_driver->getRTT(RTT_QUARTER2),
4.f / UserConfigParams::m_width,
4.f / UserConfigParams::m_height);
// Calculate the sun's position in texcoords
const core::vector3df pos = sun->getPosition();
float ndc[4];
core::matrix4 trans = camnode->getProjectionMatrix();
trans *= camnode->getViewMatrix();
trans.transformVect(ndc, pos);
const float texh = m_vertices[cam].v1.TCoords.Y - m_vertices[cam].v0.TCoords.Y;
const float texw = m_vertices[cam].v3.TCoords.X - m_vertices[cam].v0.TCoords.X;
const float sunx = ((ndc[0] / ndc[3]) * 0.5f + 0.5f) * texw;
const float suny = ((ndc[1] / ndc[3]) * 0.5f + 0.5f) * texh;
// ((GodRayProvider *) irr_driver->getCallback(ES_GODRAY))->
// setSunPosition(sunx, suny);
// Rays please
drv->setRenderTarget(irr_driver->getRTT(RTT_QUARTER2), true, false);
renderGodRay(getTextureGLuint(irr_driver->getRTT(RTT_QUARTER1)), core::vector2df(sunx, suny));
// Blur
renderGaussian3Blur(irr_driver->getRTT(RTT_QUARTER2),
irr_driver->getRTT(RTT_QUARTER1),
4.f / UserConfigParams::m_width,
4.f / UserConfigParams::m_height);
// Blend
glEnable(GL_BLEND);
glBlendFunc(GL_ONE, GL_ONE);
glBlendEquation(GL_FUNC_ADD);
drv->setRenderTarget(in, false, false);
renderPassThrough(irr_driver->getRTT(RTT_QUARTER2));
}
PROFILER_POP_CPU_MARKER();
if (UserConfigParams::m_motionblur && m_any_boost) // motion blur
{
PROFILER_PUSH_CPU_MARKER("- Motion blur", 0xFF, 0x00, 0x00);
renderMotionBlur(cam, in, out);
ITexture *tmp = in;
in = out;
out = tmp;
PROFILER_POP_CPU_MARKER();
}
if (irr_driver->getDisplacingNodes().size()) // Displacement
{
PROFILER_PUSH_CPU_MARKER("- Displacement", 0xFF, 0x00, 0x00);
drv->setRenderTarget(out, true, false);
renderPPDisplace(in);
ITexture *tmp = in;
in = out;
out = tmp;
PROFILER_POP_CPU_MARKER();
}
/* m_material.MaterialType = irr_driver->getShader(ES_RAIN);
drv->setMaterial(m_material);
static_cast<irr::video::COpenGLDriver*>(drv)->setRenderStates3DMode();*/
if (UserConfigParams::m_mlaa) // MLAA. Must be the last pp filter.
{
PROFILER_PUSH_CPU_MARKER("- MLAA", 0xFF, 0x00, 0x00);
drv->setRenderTarget(out, false, false);
glEnable(GL_STENCIL_TEST);
glClearColor(0.0, 0.0, 0.0, 1.0);
glClear(GL_STENCIL_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
glStencilFunc(GL_ALWAYS, 1, ~0);
glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE);
// Pass 1: color edge detection
m_material.setFlag(EMF_BILINEAR_FILTER, false);
m_material.setFlag(EMF_TRILINEAR_FILTER, false);
m_material.MaterialType = irr_driver->getShader(ES_MLAA_COLOR1);
m_material.setTexture(0, in);
drawQuad(cam, m_material);
m_material.setFlag(EMF_BILINEAR_FILTER, true);
m_material.setFlag(EMF_TRILINEAR_FILTER, true);
glStencilFunc(GL_EQUAL, 1, ~0);
glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
// Pass 2: blend weights
drv->setRenderTarget(irr_driver->getRTT(RTT_TMP3), true, false);
m_material.MaterialType = irr_driver->getShader(ES_MLAA_BLEND2);
m_material.setTexture(0, out);
m_material.setTexture(1, m_areamap);
m_material.TextureLayer[1].BilinearFilter = false;
m_material.TextureLayer[1].TrilinearFilter = false;
drawQuad(cam, m_material);
m_material.TextureLayer[1].BilinearFilter = true;
m_material.TextureLayer[1].TrilinearFilter = true;
m_material.setTexture(1, 0);
// Pass 3: gather
drv->setRenderTarget(in, false, false);
m_material.setFlag(EMF_BILINEAR_FILTER, false);
m_material.setFlag(EMF_TRILINEAR_FILTER, false);
m_material.MaterialType = irr_driver->getShader(ES_MLAA_NEIGH3);
m_material.setTexture(0, irr_driver->getRTT(RTT_TMP3));
m_material.setTexture(1, irr_driver->getRTT(RTT_COLOR));
drawQuad(cam, m_material);
m_material.setFlag(EMF_BILINEAR_FILTER, true);
m_material.setFlag(EMF_TRILINEAR_FILTER, true);
m_material.setTexture(1, 0);
// Done.
glDisable(GL_STENCIL_TEST);
PROFILER_POP_CPU_MARKER();
}
// Final blit
// TODO : Use glBlitFramebuffer
drv->setRenderTarget(ERT_FRAME_BUFFER, false, false);
if (irr_driver->getNormals())
renderPassThrough(irr_driver->getRTT(RTT_NORMAL_AND_DEPTH));
else if (irr_driver->getSSAOViz())
renderPassThrough(irr_driver->getRTT(RTT_SSAO));
else
renderColorLevel(in);
}
} // render
