[Renderer] Roadmap

[hzqst]

• [x] IDiligentRenderer()->TransitionResourceState
• [ ] CDiligentLambaCommand
• [ ] IDiligentCommand -> IDiligentDrawRenderPassCommand
• [ ] IDiligentRenderPass
• [ ] m_CommandList
• [ ] IDiligentUpdateBufferCommand -> CDiligentUpdateUniformBufferCommand
• [ ] UpdateSceneBuffer -> CreateCommand("UpdateUniformBuffer")
• [ ] RGBA16f backbuffer
• [ ] runtime gamma calculation
• [ ] Take control over all native OpenGL calls
  • [ ] efxapi
  • [ ] BaseUISurface
  • [ ] BaseUISurface::DeleteTextureByID
  • [ ] EngineSurface
  • [ ] EngineSurface::drawSetSubTextureRGBA
  • [ ] EngineSurface::popMakeCurrent
  • [ ] EngineSurface::pushMakeCurrent
  • [ ] EngineSurface::drawTexturedRect
  • [ ] EngineSurface::drawFlushText
  • [ ] EngineSurface::drawUpdateRegionTextureBGRA
  • [ ] EngineSurface::drawSetTextureBGRA
  • [ ] EngineSurface::drawSetTextureRGBA
  • [ ] EngineSurface::drawPrintCharAdd
  • [ ] EngineSurface::drawOutlinedRect
  • [ ] EngineSurface::drawLine
  • [ ] EngineSurface::drawTexturedPolygon
  • [ ] EngineSurface::drawPolyLine
  • [ ] EngineSurface::drawFilledRect
  • [ ] studioapi
  • [ ] Texture unit management
  • [ ] GL_Bind
  • [ ] GL_SelectTexture
  • [ ] GL_GenTexture
  • [ ] GL_FreeGLTex
  • [ ] GL_EnableMultitexture
  • [ ] GL_DisableMultitexture
  • [ ] Draw 2D
  • [ ] SPR_Set
  • [ ] Draw_Pic
  • [ ] Draw_AlphaSubPic
  • [ ] Draw_AlphaPic
  • [ ] Draw_AlphaAddPic
  • [ ] Draw_Pic2
  • [ ] Draw_TransPicTranslate
  • [ ] Draw_Frame
  • [ ] Draw_SpriteFrameHoles
  • [ ] Draw_SpriteFrameAdditive
  • [ ] Draw_SpriteFrameGeneric
  • [ ] Draw_FillRGBA
  • [ ] Draw_FillRGBABlend
  • [ ] Draw_FadeScreen
  • [ ] GL_Set2D
  • [ ] R_PolyBlend
  • [x] sys_getmodes.cpp!CVideoMode_Common::DrawStartupGraphic
  • [ ] Draw 3D
  • [ ] R_DrawParticles
  • [ ] R_BeamDrawList
  • [ ] R_StudioXXX
  • [ ] Texture Loader
  • [ ] GL_LoadFilterTexture
  • [ ] R_InitParticleTexture
  • [ ] Misc
  • [ ] R_Envmap_f
  • [ ] R_TimeRefresh_f
  • [ ] SCR_ScreenShot_f
  • [ ] D_FillRect
  • [ ] CheckTextureExtensions
  • [ ] GL_Init
  • [x] gl_vidnt.cpp!GL_SetMode
  • [ ] VID_TakeSnapshotRect
  • [ ] CGame::CreateGameWindow
  • [ ] V_RenderView-> qglClearColor( 0, 0, 0, 0 ); qglClear( GL_COLOR_BUFFER_BIT );

[hzqst]

void CDiligentBaseRenderPass::BeginPass() override
{
  m_iCurrentSubpassIndex = 0;
  for(int i = 0;i < DILIGENT_MAX_SUBPASSES; ++i)
    m_CommandLists[i].clear();
}

void CDiligentBaseRenderPass::EndPass() override
{
   auto pCommand = new CDiligentDrawRenderPassCommand(this, m_CommandLists);
   DiligentRenderer()->AddToCommandList(pCommand);
}

void CDiligentBaseRenderPass::AddToCommandList(IDiligentCommand* pCommand) override
{
  m_CommandLists[m_iCurrentSubpassIndex].emplace_back(pCommand);
}

void CDiligentDrawRenderPassCommand::Commit(RESOURCE_STATE_TRANSITION_MODE ResourceTransitionMode)
{
  auto pImmediateContext = DiligentRenderer()->GetImmediateContext();

if(m_bNeedRestoreRenderTargets){
//TODO
}

for(auto desc : m_UsedResources){
  pImmediateContext->TransitionResourceState(desc.Resource, Diligent::RESOURCE_STATE_UNKNOWN, desc.NewResourceState, desc.StateTransitionFlags);
/*
class CDiligentResourceTransitionDesc
{
public:
RefCntAutoPtr<IDeviceObject> Resource;
RESOURCE_STATE NewResourceState { RESOURCE_STATE_UNKNOWN };
STATE_TRANSITION_FLAGS StateTransitionFlags{ STATE_TRANSITION_FLAG_NONE };
};
*/
}

  pImmediateContext->BeginRenderPass(RPBeginInfo);

  int i = 0;
  while(1)
  {
  for(auto pCommand : m_CommandList[i]){
    pCommand->Commit(Diligent::RESOURCE_STATE_TRANSITION_MODE_VERIFY);
    pCommand ->Destroy();
   }

   if(i< m_iSubpassCount)
      pImmediateContext->NextSubpass();
   else
      break;
  }

  pImmediateContext->EndRenderPass();

  if(m_bNeedRestoreRenderTargets){
    //TODO
  }
}