AMD ATI Radeon HD 3800 Series Bedienungsanleitung PDF herunterladen (Seite 10)

Beyond Programmable Shading: Fundamentals

All slides © 2008 Advanced Micro Devices, Inc. Used with permission.

All slides © 2008 Advanced Micro Devices, Inc. Used with permission.

Render Back-Ends

• Focus on improving AA performance per mm

2

– Doubled peak rate for depth/stencil ops to

64 per clock

– Doubled AA peak fill rate for 32-bit & 64-bit color

*

– Doubled non-AA peak fill rate for 64-bit color

• Supports both fixed function (MSAA) and

programmable (CFAA) modes

Color

ATI Radeon

TM

HD 3800 series

ATI Radeon

TM

HD 4800 series

Difference

No MSAA

32-bit

16 pix/clk 16 pix/clk 1x

2x/4x MSAA

8 pix/clk 16 pix/clk 2x

8x MSAA

4 pix/clk 8 pix/clk 2x

No MSAA

64-bit

8 pix/clk 16 pix/clk 2x

2x/4x MSAA

8 pix/clk 16 pix/clk 2x

8x MSAA

4 pix/clk 8 pix/clk 2x

Depth/stencil only

32 pix/clk 64 pix/clk 2x

* Comparing ATI Radeon

TM

HD 4800 series and ATI Radeon

TM

HD 3800 series

10

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