QG82945GMESLA9H データシートの表示（PDF） - Intel
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QG82945GMESLA9H Datasheet PDF : 319 Pages
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10.5.4.1
10.5.4.2
10.5.4.3
10.5.4.4
10.5.4.5
10.5.4.6
10.5.4.7
10.5.4.8
10.5.4.9
Perspective Correct Texture Support ................................ 243
Texture Formats and Storage ........................................... 243
Texture Decompression .................................................... 243
Texture ChromaKey .......................................................... 243
Anti-Aliasing....................................................................... 243
Texture Map Filtering ........................................................ 244
Multiple Texture Composition............................................ 244
Pixel Shader ...................................................................... 245
Cube Map Textures ........................................................... 245
10.5.5
10.5.4.10 4x4 Texture Filtering Includes Cube Maps........................ 245
Raster Engine ..................................................................................... 245
10.5.5.1 Texture Map Blending ....................................................... 245
10.5.5.2 Combining Intrinsic and Specular Color Components ...... 246
10.5.5.3 Color Shading Modes ........................................................ 246
10.5.5.4 Color Dithering................................................................... 246
10.5.5.5 Vertex and Per Pixel Fogging............................................ 246
10.5.5.6 Alpha Blending (Frame Buffer).......................................... 247
10.5.5.7 Microsoft Direct X* API and SGI OpenGL* Logic Ops ...... 247
10.5.6
10.5.7
10.5.5.8 Color Buffer Formats: 8-, 16-, or 32-bits per Pixel
(Destination Alpha) ............................................................ 247
10.5.5.9 Depth Buffer ...................................................................... 248
10.5.5.10 Stencil Buffer ..................................................................... 248
10.5.5.11 Projective Textures............................................................ 248
2D Engine ........................................................................................... 249
10.5.6.1 GMCH VGA Registers....................................................... 249
10.5.6.2 Logical 128-bit Fixed BLT and 256 Fill Engine.................. 249
Video Engine....................................................................................... 250
10.5.7.1 Hardware Motion Compensation....................................... 250
10.5.7.2 Sub-Picture Support .......................................................... 250
10.5.8 Planes ................................................................................................. 250
10.5.8.1 Cursor Plane...................................................................... 251
10.5.8.2 Overlay Plane .................................................................... 251
10.5.8.3 Advanced Deinterlacing and Dynamic Bob and Weave ... 252
10.5.9 Pipes ................................................................................................... 252
10.5.9.1 Clock Generator Units (DPLL) .......................................... 252
10.6 Display Interfaces (Intel® 82945G/82945GC/82945GZ GMCH Only)................ 252
10.6.1
Analog Display Port Characteristics ................................................... 253
10.6.1.1 Integrated RAMDAC.......................................................... 254
10.6.1.2 Sync Signals ...................................................................... 254
10.6.1.3 VESA/VGA Mode .............................................................. 254
10.6.1.4 DDC (Display Data Channel) ............................................ 254
10.6.2
10.6.3
Digital Display Interface ...................................................................... 255
10.6.2.1 Multiplexed Digital Display Channels – Intel® SDVOB and
Intel® SDVOC .................................................................... 255
Multiple Display Configurations .......................................................... 257
10.7 Power Management ........................................................................................... 258
10.8 Clocking .............................................................................................................. 258
11
Electrical Characteristics................................................................................................. 261
11.1 Absolute Minimum and Maximum Ratings ......................................................... 261
11.1.1 Power Characteristics ......................................................................... 263
11.2 Signal Groups..................................................................................................... 264
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Intel® 82945G/82945GZ/82945GC GMCH and 82945P/82945PL MCH Datasheet
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