Opengl Selection Buffer
I'm using opengl's selection buffer, but i'm experiencing a trouble, the "picking" works perfectly if you hit the element for the first time, but the second time you hit it, it won't get selected,...
View Articletransform feedback input and output size
I have a small question about transform feedbacks in OpenGL. Is it possible for my output to be a different size than my output ? Let say a VS like: in vec3 pos; in vec3 move; out vec3 newPos; void...
View ArticleGLSL: sampler3D in vertex shader, texture appears blank
EDIT: Think I've narrowed down the problem. Skip to the running section. I'm trying to sample a 3d texture in my vertex shader, I'm going to use the texel values as corner value in Marching Cubes. The...
View ArticleFull setup of Transform Feedback(openGL)
GLSL 1.50, openGL 3.3. I've been lately trying to get my tranform feedback working but without success. I still receive error after glBeginTranformFeedback() and as I haven't found any full working...
View Articletransform feedback empty buffer
EDIT: I simply forgot to bind the shader. Now it's working. I am currently trying to get transform feedback to run but it doesn't. I am using OpenGL 3.3 and followed the steps from this tutorial...
View ArticleOpenGL: How to know if a vertex is hitting the framebuffer by the API
I'm looking an easy and reliable way to know if vertices hits the final framebuffer.I'm not looking for the exact count, but if something actually hits the buffer. I'm trying to debug a shadow map. All...
View Article