The stencil buffer is a concept implemented in various 3D graphics APIs used for performing "stencil" operations, used to minimize rasterization of hidden pixels or to implement various effects.
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Questions tagged [stencil-buffer]
202 questions
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Reflection and depth in OpenGL
I'm trying to create a mirror in OpenGL. Most references I've found recommend using the stencil buffer to define the boundaries of the mirror itself and using a combination of translation and scaling matrices for the actual reflection. I managed to…
user1986358
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Stencil buffer test settings DirectX9
I have a function that renders a triangle of desired color. I am trying to render a yellow triangle and then a red triangle over it with stencil test enable. I am using a circle as my stencil window. What should be my stencil test equations and…
proton
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Unable to get Stencil Buffer to work in iOS 4+ (5.0 works fine). [OpenGL ES 2.0]
So I am trying to use a stencil buffer in iOS for masking/clipping purposes. Do you guys have any idea why this code may not work? This is everything I have associated with Stencils. On iOS 4 I get a black screen. On iOS 5 I get exactly what I…
MurderDev
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Stencil Buffer in Opengl
Stencil test in OpenGL Red Book says:
the stencil test takes place only if there is a stencil buffer.
How can I find out, if there is a stencil buffer in my OpenGL / graphics card implementation ?
Sania Programmer
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Legacy OpenGL - Blending textures on water reflections produced with stencil test
I'm forced to use legacy OpenGL and no shaders for an academic project (yes..).
I'm rendering a 3D world with mountains and water. My goal (and problem) is to draw the skydome as reflection on the water. The skydome itself has 2 textures (night and…
Tides
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Separate stencil with FBO (NVidia)
I'm trying to have a FBO with separate depth and stencil buffers.
I know that NVidia GPU's historically only supported packed depth/stencil.
However I stumbled on the ARB_texture_stencil8 extension and wonder how to use it against a FBO.
This code…
Anton Duzenko
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OpenGL Stencil Buffer in Gtkmm on Linux C++
I've been trying to generate reflection with a stencil buffer for a school project. I was following this tutorial: http://www.opengl.org/archives/resources/code/samples/mjktips/Reflect.html It describes how to create a reflection by reflecting the…
