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0 votes
1 answer
3k views

Howto use the depth buffer in DirectX 12

To make things short: I am trying to bind and use a depth buffer in D3D12, but it is not working. The depth buffer gets created and bound properly (I can see it in nsight graphics) but does only take ...
Ohjurot's user avatar
1 vote
1 answer
1k views

glReadPixels with GL_DEPTH_COMPONENT into PBO is slow

I need to read depth buffer back to cpu memory. It may be few frames old, so I use glReadPixels with a buffer bound to GL_PIXEL_PACK_BUFFER. I use several buffers and ping-pong them. Finally, I read ...
Tomas's user avatar
  • 53
3 votes
0 answers
363 views

Reading depth buffer result in only two values

I am attempting to add an SSAO post processing shader to my deferred rendering engine. I am running into problems with reading from the depth buffer. In the images linked below you can see the depth ...
AJ Weeks's user avatar
  • 113
1 vote
1 answer
1k views

How to enable depth test with QOpenGLWidget? It renders black screen

Currently I am writing a small application with Qt and OpenGl and I choosed QOpenGLWidget for rendering graphics. That's how I declared my widget: ...
Denis's user avatar
  • 127
3 votes
1 answer
8k views

Creating polygons with separate outline/fill colors in OpenGL

Subject I am creating a terrain map with triangle strips and I would like to make the bodies of the triangles black, but have their outlines be colored. Problem The solution appears to be to draw ...
Luke's user avatar
  • 187
0 votes
1 answer
168 views

DepthStencilView and alphaBlendState

I have create a 2D game with directx11 and i want to use a depth buffer instead of a painter's algorithm to draw the sprites but i have a problem since i'm not really good with directx 3d programming. ...
Liuka's user avatar
  • 585
1 vote
1 answer
989 views

Changing the maxDepth of viewport

Whenever I change the maxDepth of the viewport from 1.0 to say ...
bluejamesbond's user avatar
1 vote
1 answer
2k views

Why does switching to fullscreen produce this graphical glitch?

I followed this tutorial and things were looking good. However, when switching to Fullscreen from 800x600 using alt-enter, I noticed an error in debug output: ...
Lokked's user avatar
  • 53
0 votes
1 answer
2k views

Creating a 2D texture array for depth view

Following my question here, I decided to create an 2D texture array for all of my depth screen texture so that I can use them for shadows for all my lights. I'm having an issue setting it up, I'm ...
Caesar's user avatar
  • 461
1 vote
1 answer
2k views

Why are my scene's depth values not being written to my DepthStencilView?

I'm rendering to a depth map in order to use it as a shader resource view, but when I sample the depth map in my shader, the red component has a value of 1 while all other channels have a value of 0. ...
dotminic's user avatar
  • 1,627