OpenGL ES* 1.0 Framework Software Developer's Guide

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IntroductionRCellular Phone HandsetThe cell phones specified with the 2700G Multimedia Accelerator in the 2004–2005 timeframemay be equipped with:• At least 64 MB SDRAM• 16-bit color QVGA resolution (240x320) to VGA resolution (640x480) 2.5” touch-sensitiveLCD display• AC-97 audio with internal speaker and headphone jack• Rotate-able display for portrait or landscape mode viewing• Standard Cell Phone Interface or Microsoft Smartphone Interface• 2–3 Mega-Pixel Camera• Optional Expansion slot (Secure Digital (SD))Other DevicesThere is a large world of other types of devices possible with the Intel 2700G MultimediaAccelerator. Some of the other devices may include retail kiosks, portable gaming devices, orpersonal media devices. All manners of devices where an embedded processor solution isappropriate can be enhanced by the inclusion of a 2700G Multimedia Accelerator with its high-endcapabilities and low power consumption.1.3.2 Display RotationThe 2700G Multimedia Accelerator supports three dynamically selected display orientations. Thefollowing illustrations are based on the Intel 2700G Multimedia Accelerator Reference Platform.Figure 2. Portrait Display Orientation10 OpenGL ES* 1.0 Framework Software Developer’s Guide
IntroductionRFigure 3. Left-handed Landscape Display OrientationFigure 4. Right-handed Landscape Display OrientationThe orientation can be selected through the operating system. An application developer may alsochoose to change the display orientation or to allow display rotation from within the application aswell.It is important for an application developer to keep the different possible screen orientations inmind when designing an application. The orientation may impact bitmap sizes, fonts, andviewports.An application should be configurable to support both landscape and portrait modes. Applicationsshould also be able to dynamically handle orientation change through OpenGL viewportmodification.Applications must also exit properly such that the OS can correctly restore the default viewingmodes.OpenGL ES* 1.0 Framework Software Developer’s Guide 11
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OpenGL ES* 1.0 Framework Software Developer's Guide

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