使用 Direct3D 的 2D 图形
我正在尝试使用 Direct3D 渲染 2D 图形，这是自 DirectDraw 弃用以来每个人都推荐的。我确实不关心任何 3D 效果，只是希望能够执行诸如在彼此上绘制线条、圆圈和位图传输图像之类的操作。因此，我的问题是
- 我需要从文件中加载大量图像，并将它们相互绘制。纹理会是正确的选择吗？
- 非常愚蠢的问题，但我似乎找不到任何东西：如何将一个表面渲染到另一个表面上？
- 您应该将所有内容渲染到单个纹理上，然后将其作为精灵绘制到屏幕上，还是只绘制许多纹理？
- 如何在纹理/表面/精灵上绘制线条等？我认为有比获取设备上下文并使用 GDI 在其上绘图更好的方法吗？
I'm trying to use Direct3D to render 2D graphics, as recommended by everyone since DirectDraw's deprecation. There really isn't any 3D-ness I care about, and just want to be able to do things like draw lines, circles, and blit images onto each other. My questions are thus
- I need to load a lot of images from files, and draw them onto each other. Would textures be the way to go?
- Very stupid question, but I can't seem to find anything: How do you render one surface onto another?
- Should you render everything onto a single texture and then draw that to screen as a sprite, or just draw many textures?
- How do you draw lines, etc, onto a texture/surface/sprite? I assume there's a better way than getting a device context and using GDI to draw on it?
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