void Volumetric::run(RenderingContext& ctx)
{
CommandBufferPtr& cmdb = ctx.m_commandBuffer;
const Frustum& frc = ctx.m_frustumComponent->getFrustum();
// Update uniforms
TransientMemoryInfo dyn = ctx.m_is.m_dynBufferInfo;
Vec4* uniforms = static_cast<Vec4*>(getGrManager().allocateFrameTransientMemory(
sizeof(Vec4) * 2, BufferUsageBit::UNIFORM_ALL, dyn.m_uniformBuffers[3]));
computeLinearizeDepthOptimal(frc.getNear(), frc.getFar(), uniforms[0].x(), uniforms[0].y());
uniforms[1] = Vec4(m_fogColor, m_fogFactor);
// pass 0
cmdb->setViewport(0, 0, m_r->getWidth() / VOLUMETRIC_FRACTION, m_r->getHeight() / VOLUMETRIC_FRACTION);
cmdb->beginRenderPass(m_vblurFb);
cmdb->bindPipeline(m_ppline);
cmdb->bindResourceGroup(m_rc, 0, &dyn);
m_r->drawQuad(cmdb);
cmdb->endRenderPass();
// hpass
cmdb->setTextureSurfaceBarrier(m_rt,
TextureUsageBit::FRAMEBUFFER_ATTACHMENT_WRITE,
TextureUsageBit::SAMPLED_FRAGMENT,
TextureSurfaceInfo(0, 0, 0, 0));
cmdb->setTextureSurfaceBarrier(
m_tmpRt, TextureUsageBit::NONE, TextureUsageBit::FRAMEBUFFER_ATTACHMENT_WRITE, TextureSurfaceInfo(0, 0, 0, 0));
cmdb->beginRenderPass(m_hblurFb);
cmdb->bindPipeline(m_hblurPpline);
cmdb->bindResourceGroup(m_hblurRc, 0, nullptr);
m_r->drawQuad(cmdb);
cmdb->endRenderPass();
// vpass
cmdb->setTextureSurfaceBarrier(m_tmpRt,
TextureUsageBit::FRAMEBUFFER_ATTACHMENT_WRITE,
TextureUsageBit::SAMPLED_FRAGMENT,
TextureSurfaceInfo(0, 0, 0, 0));
cmdb->setTextureSurfaceBarrier(
m_rt, TextureUsageBit::NONE, TextureUsageBit::FRAMEBUFFER_ATTACHMENT_WRITE, TextureSurfaceInfo(0, 0, 0, 0));
cmdb->beginRenderPass(m_vblurFb);
cmdb->bindPipeline(m_vblurPpline);
cmdb->bindResourceGroup(m_vblurRc, 0, nullptr);
m_r->drawQuad(cmdb);
cmdb->endRenderPass();
}
//==============================================================================
void Volumetric::run(RenderingContext& ctx)
{
const Frustum& frc = ctx.m_frustumComponent->getFrustum();
CommandBufferPtr& cmdb = ctx.m_commandBuffer;
// Update uniforms
TransientMemoryInfo dyn;
Vec4* uniforms = static_cast<Vec4*>(
getGrManager().allocateFrameTransientMemory(sizeof(Vec4) * 2,
BufferUsageBit::UNIFORM_ANY_SHADER,
dyn.m_uniformBuffers[0]));
computeLinearizeDepthOptimal(
frc.getNear(), frc.getFar(), uniforms[0].x(), uniforms[0].y());
uniforms[1] = Vec4(m_fogColor, m_fogFactor);
// Draw
cmdb->bindPipeline(m_ppline);
cmdb->bindResourceGroup(m_rcGroup, 0, &dyn);
m_r->drawQuad(cmdb);
}
