Software rendering refers to a rendering process that is unaided by any specialized graphics hardware.
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'Bad' triangles when doing affine texture mapping
I am really clueless about what i must do. I wrote a function to do affine texture mapping, but i get in most situations 'bad' triangles.
I really didn't want to ask this question as it probably is ...
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1answer
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What is FOVx in this diagram?
a beginner game developer here. I have recently taken upon learning about 3D game development and I am stuck on a simple matrix problem.
The image is found from this article: ...
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2answers
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Pure OpenGL software rendering
For training a machine learning algorithm, we need to render some geometry in OpenGL without any hardware rendering support (no graphics card).
So we were thinking of rendering in pure software, and ...
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1answer
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projection / view matrix: the object is bigger than it should and depth does not affect vertices [closed]
I'm currently trying to write a C 3D software rendering engine from scratch just for fun and to have an insight on what OpenGL does behind the scene and what 90's programmers had to do on DOS.
I have ...
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3answers
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What is Windows' software rendering API?
We usually use OpenGL or DirectX to work with the GPU. If I want to use the CPU to render 2D/3D graphics, how does it work and what API can I use for it on Windows?
I know there is no benefit in ...
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1answer
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UV interpolation is wrong with a wide FOV
How should I take FOV into account when interpolating UV coordinates? This picture shows the result today. Everything works fine with a narrow fov, but when I make it really wide, things deviate. The ...
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1answer
68 views
How can I programatically determine if I can create a hardware D3D device?
I have a D3D 11 application to which I would like to add support for software rendering. This is because in some circumstances it will be run on over remote desktop or on machines without GPUs. From ...
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1answer
293 views
How does the Direct3D 9 rasterizer determine triangle coverage?
I'm working on a software rasterizer to use in my project. I have implemented one that works well, however, often my rasterizer under or over estimates triangle coverage. I need perfect emulation of ...
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1answer
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How does a segment-based rendering engine (as in Descent) work?
As far as I know Descent was one of the first games that featured a fully 3D environment, and it used a segment based rendering engine.
Its levels are built from cubic segments (these cubes may be ...
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2answers
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How scanline rendering finds an intersection with an object
I'm a newbie with graphics and after I read many articles on the web I still don't understand how in rasterizing from a pixel coordinate like (0;0) on the screen the intersection with an object (let's ...
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2answers
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Is there a 3d animation software that prioritizes working with code rather than GUI? [closed]
All of the 3D animating softwares I've faced are centered around using GUI to work: windows, menus, mouse clicks, mouse adjustments, keyboard shortcuts. As a programmer, I find that limiting. In order ...
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1answer
335 views
backface culling error (in world space)
I write simple software renderer. In my pipeline i have stage of backface culling.
But looks like it has some error (see picture).
I perform culling right after world transformation (is it correct?).
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1answer
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Software rendering 3d triangles in the proper order
I'm implementing a basic 3d rendering engine in software (for education purposes, please don't mention to use an API). When I project a triangle from 3d to 2d coordinates, I draw the triangle. ...
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2answers
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UV texture mapping with perspective correct interpolation
I am working on a software rasterizer for educational purposes and I am having issues with the texturing.
The problem is, only one face of the cube gets correctly textured. The rest are stretched ...
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1answer
2k views
Depth interpolation for z-buffer, with scanline
I have to write my own software 3d rasterizer, and so far I am able to project my 3d model made of triangles into 2d space:
I rotate, translate and project my points to get a 2d space representation ...
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1answer
118 views
Quake d_draw.s versus d_draw16.s
I decided to write my first Quake source port, but I'm a bit confused.
There are 2 rasterization code files: d_draw.s and d_draw16.s.
The first is, as John Carmack said, horizontal 8-bpp ...
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2answers
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Forcing a game to use Direct3D WARP
I am making a study for a research project that involves measuring the performance and quality impact of rendering 3d games using a software rasterizer (like WARP).
I wonder if there is a way to ...
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How is software rendering done?
I would like to explore realtime software based rasterization. I know everything is going towards the GPU these days but there are a few games where it still makes sense to use a software renderer.
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