User`s guide

56 • ATI 3D RagePro XL Features
5.9 2D Acceleration
l Hardware acceleration of Bitblt, Line Draw, Pllygon / Rectangle Fill, Bit
Masking, Monochrome Expansion, Panning/ Scrolling, Scissoring, full
ROP support and h/w cursor (up to 64 x 64 x 2)
l Game ccceleration including support for Microsoft's DirectDraw:
Double Buffering, Virtual Sprites, Transparent Blit, Masked Blit and
Context Chaining.
l Acceleration in 8/16/24/32 bpp modes.
l 2D Display Modes & Refresh rates:
SGRAM
Resolution 256 colors 65k colors 16.7M colors
2MB 2MB 4MB 2MB 4MB 8MB
640 x 480 200 200 200 200 200 200
800 x 600 200 200 200 200 200 200
1024 x 768 150 150 150 150 150
1152 x 864 120 120 120 120 120
1280 x 1024 100 100 100 100
1600 x 1200 85 85 75
* Base on 230 MHz internal DAC in RAGE PRO XL.
5.10 3D Acceleration
l Integrated 1 million triangle/s set-up engine reduces CPU and bus
bandwidth requirements and dramatically improves performance of
small 3D primitives.
l 4KB on-chip texture cache dramatically improves large triangle
performance.
l Complete 3D primitive support: points, lines, triangles, lists, strips and
quadrilaterals and BLTs with Z compare.
l Comprehensive enhance 3D feature set:
Ÿ Full screen or window double buffering for smooth animation
Ÿ Hidden surface removal via 16-bit Z-buffer
Ÿ Edge anti-aliasing
Ÿ Sub-pixel and sub-texel accurancy