1. Rudolph Balaz PRS311 Program Manager Microsoft Corporation
Direct 3D Part 1: Utilizing The Maximum Power Of The GPU In Your Graphic-Intensive Windows Vista ("Longhorn") Application
Rudolph Balaz
PRS311
Program Manager
Microsoft Corporation
©2005 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

2. Session Focus PRS 311 (This talk) PRS 416
4/17/2017 8:45 AM
Session Focus
PRS 311 (This talk)
Overview of Windows Vista Graphics Stack
Focus on Direct3D technologies
Discover Graphics Stack changes
Learn how to unleash the GPU
Understand what it means to your application
PRS 416
Building applications using HLSL
Cool things you can do with Direct3D
Next generation uses of the GPU
©2005 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

3. Topics Covered Windows Vista Direct3D Goals
4/17/2017 8:45 AM
Topics Covered
Windows Vista Direct3D Goals
More Scalable / More Reliable
New uses of the GPU
Better visuals and effects
Windows Vista Direct 3D Technologies
New Display Driver Model
Direct 3D 9.0
Direct 3D 10
©2005 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

4. Direct 3D Direct access to 3D hardware Real time frame rates
Graphics Intensive Applications
Games, Productivity, Workstation Applications
Native & Managed APIs
©2005 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

5. Windows Vista Graphics Stack
4/17/2017 8:45 AM
Windows Vista Graphics Stack
Applications
Desktop
Windows
Manager
Windows
Presentation
Foundation
Managed
Direct3D9
Managed
Direct3D10
Effects
D3DX9
D3DX10
Direct3D9 Runtime
Direct3D10 Runtime
Windows Vista Display Driver Model
©2005 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

6. Subtle Windows Vista Changes
4/17/2017 8:45 AM
Subtle Windows Vista Changes
GDI –software only
Desktop Composition
Your timing may vary
Actions may disable Desktop Composition
GetDC(NULL), Locking GDI primary surface
Shader Model 2.0 baseline
©2005 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

7. Things To Do Don’t lock the front buffer
4/17/2017 8:45 AM
Things To Do
Don’t lock the front buffer
Throttle rendering in Windowed mode
Test Fully
Windows XP driver model
Windows Vista driver model
With/Without Desktop Window Manager
Windowed/Fullscreen
©2005 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

8. Scalability / Reliability
4/17/2017 8:45 AM
Scalability / Reliability
©2005 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

9. GPU Is A Shared Resource
4/17/2017 8:45 AM
GPU Is A Shared Resource
Presentation
Desktop Manager
Applications
Games
Multimedia
Workstation Graphics
Multi-monitor
Mobile
Remote (terminal server)
©2005 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

10. Scalability / Reliability
4/17/2017 8:45 AM
Scalability / Reliability
Windows Vista Display Driver Model
©2005 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

11. Display Driver Model Highlights
4/17/2017 8:45 AM
Display Driver Model Highlights
Virtualized graphics memory
GPU Command Scheduling & Multitasking
Command translation moved to user mode
Managed Primaries
Fault tolerance
Plug and Play
Rebootless driver upgrade
Shared Surfaces
Secure Surfaces
©2005 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

12. Driver Model Details Basic Model Advanced Model
4/17/2017 8:45 AM
Driver Model Details
Basic Model
Available in Windows Vista
Virtualization is resource granularity
Command Scheduling is in Software
Advanced Model
Available Shortly after Windows Vista
Page-level faulting
Hardware context switching
©2005 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

13. Subtle Windows Vista Changes
4/17/2017 8:45 AM
Subtle Windows Vista Changes
Can’t interleave GDI and D3D content
Don’t draw lines, Bit Blts, etc. on Window DC
Use Direct3D GetDC on Backbuffer
GDI is software
Not as performant as before
Managed Primaries
GDI popup flicker is gone for D3D9Ex
GDI Desktop ≠ Buffer in swap chain
©2005 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

14. Things to do Recreate Swap chain Don’t mix GDI & D3D content
4/17/2017 8:45 AM
Things to do
Recreate Swap chain
If Window size ≠ Backbuffer Size
Desktop is rotated
Don’t mix GDI & D3D content
©2005 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

15. Scalability / Reliability
4/17/2017 8:45 AM
Scalability / Reliability
Direct3D 9.0 on Vista
©2005 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

16. 4/17/2017 8:45 AM
Direct3D9 for Vista
All Direct3D applications benefit from new Driver Model
Improved Stability
Multiple Applications
Direct3D 9.0c applications just work
Expose new driver model benefits to Applications
Direct3D9Ex
Vista Desktop built on top of D3D9
©2005 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

17. Creating a Direct3D Device
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Creating a Direct3D Device
pD3D = Direct3DCreate9( D3D_SDK_VERSION );
pD3D->CreateDevice(
D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL,
hWnd,
D3DCREATE_DIREC3D9EX | D3DCREATE_SOFTWARE_VERTEXPROCESSING,
&d3dpp, &pd3dDevice
) ;
pd3dDevice->QueryInterface( pd3dDevice, D3DCREATEDEVICEEX, pd3dDeviceEx );
Above is changing for Windows Vista Beta 2
Direct3D10 not in Windows Vista Beta 1 but coming Beta 2
©2005 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

18. Shared Surfaces Parameter HANDLE* pSharedHandle
CreateTexture
CreateVolumeTexture
CreateCubeTexture
CreateRenderTarget
CreateVertexBuffer
CreateIndexBuffer
CreateDepthStencilSurface
CreateOffscreenPlainSurface
Resource can be re-opened using this shared handle.
Restrictions:
Resource attributes must match
Only creating Process can Lock surface
No automatic synchronization provided.
Must be D3DPOOL_DEFAULT
©2005 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

19. Initialize Textures at Creation
4/17/2017 8:45 AM
Initialize Textures at Creation
Parameter HANDLE* pSharedHandle
Pointer to texture
Restrictions:
Must be D3DPOOL_SYSTEMMEM
Format must match texture being created
©2005 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

20. GPU Resource Management
4/17/2017 8:45 AM
GPU Resource Management
GPU Thread Priority
HRESULT GetGPUThreadPriority(UINT *pPriority);
HRESULT SetGPUThreadPriority(UINT Priority);  
Resource Priority
Soft-pinning
Per resource priority
Residency Check
HRESULT IDirect3DDevice9Ex::CheckResourceResidency(
[in, size_is ( NumResources )] IDirect3DResource9 * pResourceArray,
[in] UINT32 NumResources);
©2005 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

21. Presentation Control Present same frame multiple times VBlank
HRESULT WaitForVBlank(void);
Frame Statistics
HRESULT GetLastPresentIndex(UINT* pLastPresentCount);
HRESULT GetFrameStatistics(D3DPRESENTSTATS* pPresentationStatistics);
typedef struct _D3DPRESENTSTATS {     UINT PresentCount;     UINT PresentRefreshCount;     UINT SyncRefreshCount;     LARGE_INTEGER SyncQPCTime;     LARGE_INTEGER SyncGPUTime; } D3DPRESENTSTATS;
©2005 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

22. Subtle Windows Vista Changes
4/17/2017 8:45 AM
Subtle Windows Vista Changes
D3DPOOL_DEFAULT
Resources never lost
not limited by Video memory
D3DERR_DEVICELOST - very rare
Example GPU hung and has been reset
D3DERR_DEVICEREMOVED
New error code
Driver uninstalled
Hardware removed
©2005 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

23. Unsubtle Changes TestCooperativeLevel deprecated Replaced by
4/17/2017 8:45 AM
Unsubtle Changes
TestCooperativeLevel deprecated
Always returns S_OK
Replaced by
HRESULT CheckDeviceState(HWND hWindow);
New Device States
D3DERR_DEVICELOST
D3DERR_DEVICEHUNG
D3DERR_DEVICEREMOVED
S_PRESENT_OCCLUDED
S_PRESENT_MODE_CHANGED
©2005 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

24. When to use Direct3D9Ex Eliminate Video Memory Limit Resource Sharing
4/17/2017 8:45 AM
When to use Direct3D9Ex
Eliminate Video Memory Limit
CAD / Design applications
Resource Sharing
Application uses multiple: Windows, Monitors, etc.
Resource Scheduling
Best Windows Vista Experience
Willing to have multiple code paths
Or only targeting newer hardware
©2005 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

25. Things to do Use D3D9Ex on Windows Vista
4/17/2017 8:45 AM
Things to do
Use D3D9Ex on Windows Vista
Use Shared surfaces to limit memory usage
Always use D3DPOOL_DEFAULT
Recreate everything on D3DDEVICE_REMOVED
Don’t use explicit resource management
Priority API’s
Use limit GPU usage when Windowed
©2005 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

26. Better Visuals and Effects
4/17/2017 8:45 AM
Better Visuals and Effects
D3D10
©2005 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

27. Direct3D10 A Tremendous Step Forward
4/17/2017 8:45 AM
Direct3D10 A Tremendous Step Forward
Fundamental architecture change
A new foundation for future releases
Rebuilt from the ground-up
Based on your feedback
In collaboration with the IHV’s
New hardware pipeline and software stack
©2005 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

28. DXGI DirectX Graphics Infrastructure
4/17/2017 8:45 AM
DXGI DirectX Graphics Infrastructure
Common operations refactored into a single DLL, isolated from rapid innovation on the 3D engine
Enables resource sharing between Direct3D®10 and future API’s
©2005 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

29. Overview: The New Hardware Pipeline
4/17/2017 8:45 AM
Overview: The New Hardware Pipeline
Guaranteed Feature Set
Strictly-defined, consistent behavior across hardware
New Pipeline Stages and Primitive types
Input Assembler
Geometry Shader
Common Shader Cores
Stream Output
New resource types and formats
Ubiquity of resource access …
©2005 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

30. Resource Types And “Views” Ubiquity of Resource Usage
4/17/2017 8:45 AM
Resource Types And “Views” Ubiquity of Resource Usage
Create multiple “views” of a base resource for usage at different points in the pipeline
Pipeline Output
Render Target
and…
Shader Resource Input
Texture
©2005 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

31. Geometry Shader Per-Primitive Operations
4/17/2017 8:45 AM
Geometry Shader Per-Primitive Operations
GS Inputs:
Operates on entire primitives [with adjacency]
Material selection/setup to reduce # of draw() calls
Set up barycentrics to exceed # of interpolators
Compute edge lengths
Compute plane equations
Compute silhouette edges
©2005 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

32. Single-Pass Render-to-Cubemap
4/17/2017 8:45 AM
Single-Pass Render-to-Cubemap
Geometry Shader
ID3D10ShaderResourceView::GenMips(…)
©2005 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

33. Single Pass Render-To-Cubemap
4/17/2017 8:45 AM
Single Pass Render-To-Cubemap
©2005 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

34. Stream Output Writes GS Output to one or more buffers
DrawAuto() to draw streamed-out data of variable size without CPU intervention
Uses:
Intra-frame re-use
Skin/morph once, render many
Inter-frame re-use
Iterative/procedural geometry processing
All-GPU particle systems …
©2005 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

35. 4/17/2017 8:45 AM
Predicated Rendering
Predicate draw’s and blit’s with results of asynchronous queries
No CPU involvement required
Occlusion culling – render bounding box, predicate subsequent (complex) rendering on occlusion query result
©2005 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

36. 4/17/2017 8:45 AM ©2005 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

37. 4/17/2017 8:45 AM ©2005 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

38. Summary Windows Vista Direct3D Goals
4/17/2017 8:45 AM
Summary
Windows Vista Direct3D Goals
Windows Vista Direct 3D Technologies
©2005 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

39. Community Resources “Windows Development” MSDN Forums
4/17/2017 8:45 AM
Community Resources
“Windows Development” MSDN Forums
General, Graphics, Tools, Performance, and Audio
Notification Alerts, Messages and RSS Feeds
Integrated with Visual Studio 2005
Advanced Search
FAQs, Answered/Unanswered Questions
©2005 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

40. © 2005 Microsoft Corporation. All rights reserved.
4/17/2017 8:45 AM
© 2005 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.
©2005 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.