像素渲染可在功能上取代传统的多纹理阶段,它位于光栅化阶段之后。它从光栅器、顶点渲染器、应用程序、纹理贴图几处获取数据。像素渲染器的计算结果可以写入一个渲染目标,然后将该渲染目标设置为后续渲染的输入纹理,这种技术称为渲染到目标。像素渲染器通常输出一个float4类型的值。如果像素渲染器同时对几个渲染目标进行渲染,则最多可以输出4个float4值,这种技术称为多渲染目标。
...(Unified Shader),每一组执行单元(Execution Units)均可执行顶点(Vertex)、几何(Geometry)以及像素渲染(Pixel Shader)指令。
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目前,这两家公司都使用次像素渲染(subpixel rendering)技术,使得字体在低分辨率的屏幕上,也能显得很清晰。
Today, both companies are using sub-pixel rendering to coax sharper-looking fonts out of typical low resolution screens.
现在我们可以开始来查看样例代码了,它包含了前面介绍的初始化工作,以及处理单个像素、填充矩形和渲染文本的函数。
At this point you can take a look at the sample code which includes the initialization I described earlier, as well as functions to plot single pixels, draw filled rectangles, and render text.
像素响应时间也是等离子电视的一项主要优势:画面渲染快,降低了快速移动画面的模糊效果,提供了更清晰的画质。
Pixel response is also a key benefit to plasma televisions; their images are rendered quickly, countering image blurring effects of fast-moving images on screen, providing clear pictures.
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