@pikuma Another quick question: Do UI libraries like CoreGraphics on macOS, use GDI on Windows use a different kind of pipeline? I would guess that UI graphics libraries require only Screen-space coordinates since there's not need for projections
can i use DIB's for work with image\pixel... or theres another win32 method?(i know the DirectX\OpenGL, but i'm trying avoid them) correct me: speaking on 3D Lines: is only necessary(for don't use too much CPU) just projecting the Start and End points... or all line points?
I thought Perspective divide is a result of applying a perspective projection matrix. is you could either manually divide all the vertices by their z components, or you could simply multiply them by the matrix. Do you also do a perspective divide when using an orthographic projection matrix? Great video. I'd really appreciate an answer to my question. Thank you very much in advance
No, orthographic projection does not have a perspective divide. And I understand. It's not common to think of perspective divide to be something separate from the perspective projection matrix, but it is. The division by z (or w in this case) happens *after* the perspective projection matrix.
![How Quake's software renderer ELIMINATES overdraw [⚠️ flashing images]](/img/n.gif)
The 3D Graphics Programming course is by far one of the best online courses I have ever completed. Highly recommended!
Agreed 100%
I can say that this video is the most completely rendering pipeline explanation I've seen in my whole life. thanks to pikuma
Thanks for the high quality course : )
Great content Gustavo, very good explanation, you deserves more by your work
Pikuma its my place to learn!
great explanation!! thanks :)
Thanks for the vídeo!
@pikuma Another quick question: Do UI libraries like CoreGraphics on macOS, use GDI on Windows use a different kind of pipeline? I would guess that UI graphics libraries require only Screen-space coordinates since there's not need for projections
Excellent video, a shame I didn’t find it sooner
can i use DIB's for work with image\pixel... or theres another win32 method?(i know the DirectX\OpenGL, but i'm trying avoid them)
correct me: speaking on 3D Lines: is only necessary(for don't use too much CPU) just projecting the Start and End points... or all line points?
I thought Perspective divide is a result of applying a perspective projection matrix. is you could either manually divide all the vertices by their z components, or you could simply multiply them by the matrix. Do you also do a perspective divide when using an orthographic projection matrix?
Great video. I'd really appreciate an answer to my question. Thank you very much in advance
No, orthographic projection does not have a perspective divide.
And I understand. It's not common to think of perspective divide to be something separate from the perspective projection matrix, but it is. The division by z (or w in this case) happens *after* the perspective projection matrix.
@@pikuma Thanks for the response.
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need more
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Qi
Edward Northon
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