Questions tagged [opengl]

12

votes

2

answers

Problems with GLEW using MinGW: Undefined reference to '_imp__glewExperimental.'

asked 2013-07-29T02:35:23.420

11

votes

1

answers

Curious slowdown in opengl when using instanced rendering

performance debugging opengl graphics

asked 2013-07-24T18:57:07.893

9

votes

1

answers

Is ordering between glUniformBlockBinding and glBindBufferBase important?

opengl glsl framebuffer

asked 2013-07-24T07:23:35.207

29

votes

2

answers

What does GLEW do and why do I need it?

opengl opengl-3 glew opengl-4

asked 2013-07-23T11:42:58.633

38

votes

3

answers

What are shaders in OpenGL and what do we need them for?

opengl shader

asked 2013-07-22T14:02:37.100

9

votes

1

answers

Defining GL_GLEXT_PROTOTYPES vs getting function pointers

opengl

asked 2013-07-08T10:51:44.777

8

votes

2

answers

OpenGL mapping texture to sphere

c++ opengl texturing

asked 2013-07-05T11:52:02.450

36

votes

1

answers

Point Sprites for particle system

c++ c opengl glsl

asked 2013-07-01T05:03:48.337

12

votes

2

answers

OpenCV image loading for OpenGL Texture

c++ opengl opencv textures

asked 2013-05-29T09:10:07.057

58

votes

2

answers

Should I calculate matrices on the GPU or on the CPU?

opengl computer-vision glsl

asked 2013-05-18T02:03:30.210

14

votes

4

answers

Rotating an object around a fixed point in opengl

opengl rotation

asked 2013-05-16T02:25:17.773

58

votes

2

answers

compiling OpenGL program GL/glew.h missing

linux opengl glew

asked 2013-04-06T15:00:39.590

15

votes

1

answers

When does OpenGL get finished with pointers in functions?

c++ c opengl opengl-es

asked 2013-03-29T05:28:32.443

8

votes

1

answers

What is the differenc between 'attribute' and 'in' using glsl?

opengl glsl

asked 2013-03-28T13:53:21.387

23

votes

1

answers

glGetAttribLocation returns -1 when retrieving existing shader attribute

c++ opengl shader vertex-shader

asked 2013-03-26T14:44:36.043

9

votes

4

answers

Does GLSL really do unnecessary computations with uniform (not per-vertex) values?

opengl optimization glsl compiler-optimization

asked 2013-03-17T14:44:03.903

10

votes

1

answers

'out can't be used with non-varying' shader compile error on Nvidia driver, Intel works fine, AMD has another error

opengl glsl

asked 2013-03-05T21:17:34.780

10

votes

1

answers

No vsync without Aero composition; cannot turn on Aero on CreateDesktop() made desktop

windows opengl sandbox composition

asked 2013-02-28T00:41:17.137

8

votes

3

answers

GLFW opens OpenGL 3.2 context but Freeglut can't - why?

macos opengl glut freeglut glfw

asked 2013-02-26T15:50:59.283

8

votes

3

answers

Why does OpenGL draw things upside down?

opengl drawing rendering flip

asked 2013-02-24T14:00:04.850

14

votes

2

answers

Voxel Cone Traced Soft Shadows

opengl shadow voxel

asked 2013-02-16T10:21:40.813

8

votes

1

answers

How do I enable multisampling (antialiasing) in OpenGL with Qt5?

opengl qt5 multisampling

asked 2013-01-23T07:11:15.653

9

votes

1

answers

Update an uniform variable in several shader programs at once

opengl architecture glsl

asked 2013-01-18T16:25:10.697

11

votes

5

answers

No OpenGL context found in the current thread, how do I fix this error?

java opengl lwjgl slick2d

asked 2013-01-15T21:32:51.677

31

votes

6

answers

Failed to Initialize GLEW. Missing GL version

c++ opengl qt-creator sfml glew

asked 2013-01-11T10:45:17.783

9

votes

3

answers

Creating cross platform OpenGL off-screen context

c++ opengl

asked 2013-01-10T08:16:08.937

22

votes

3

answers

can a bmp image format handle transparency

visual-c++ opengl glut soil

asked 2013-01-07T11:47:10.460

18

votes

2

answers

Is opengl cross platform? If not, how a game be ported?

c++ opengl cross-platform porting

asked 2012-12-23T00:42:37.630

8

votes

2

answers

Texture not displaying properly - probably coordinates are wrong OpenGL, C++

c++ opengl graphics textures

asked 2012-12-18T08:40:58.643

37

votes

1

answers

How does vectors multiply act in shader language?

opengl

asked 2012-12-16T12:05:48.010

10

votes

2

answers

Setting up projection, model, and view transformations for vertex shader in eigen

c++ opengl game-engine eigen

asked 2012-12-07T17:53:31.970

8

votes

3

answers

glReadPixels() sets GL_INVALID_OPERATION error

c++ opengl fbo

asked 2012-11-27T23:51:21.020

10

votes

1

answers

GLSL abs() broken?

opengl graphics 3d driver glsl

asked 2012-11-11T21:12:11.243

27

votes

2

answers

Why does my translation matrix needs to be transposed?

c++ opengl matrix glsl linear-algebra

asked 2012-11-08T16:38:10.597

11

votes

1

answers

OpenGL VAO's - Handling VAO's in multiple contexts

c++ qt opengl

asked 2012-11-06T19:52:26.837

11

votes

3

answers

OpenGL Colour Interpolation

c++ opengl interpolation

asked 2012-11-03T16:14:55.160

15

votes

1

answers

How to use glDrawElements while keeping Texture Coordinates correct?

c opengl textures

asked 2012-11-01T02:12:33.903

9

votes

1

answers

Binding an OpenGL Texture Sampler

opengl textures

asked 2012-10-23T13:49:10.933

18

votes

2

answers

Rendering infinitely large plane

opengl rendering linear-algebra plane

asked 2012-10-18T23:15:52.873

10

votes

1

answers

What exactly is a buffer in OpenGL, and how can I use multiple ones to my advantage?

c++ opengl graphics buffer polygon

asked 2012-10-15T00:12:34.050

36

votes

0

answers

How to get GHCi to load the opengl package under GHC 7.6.1 x86-64 Windows 7?

haskell opengl 64-bit cabal ghci

asked 2012-10-12T22:46:04.697

13

votes

2

answers

Overpainting and post-render effects on QGLView (not QGLWidget) in Qt3D

c++ opengl qml qt5 qt3d

asked 2012-09-12T23:40:44.950

12

votes

1

answers

Include OpenGL Libraries in C++, Windows 7

c++ windows opengl compilation c-preprocessor

asked 2012-09-11T19:01:25.613

10

votes

1

answers

Why is there GLint and GLfloat?

class opengl floating-point int primitive-types

asked 2012-09-07T22:52:14.890

8

votes

4

answers

Passing 1 argument (pointer) to glutDisplayFunc?

c++ opengl glut

asked 2012-09-06T11:41:20.593

36

votes

2

answers

Why does glGetString(GL_VERSION) return null / zero instead of the OpenGL version?

c++ opengl glut glew

asked 2012-08-29T18:43:44.340

11

votes

3

answers

TriangleList versus TriangleStrip

opengl

asked 2012-08-23T14:59:46.073

13

votes

3

answers

Are there any plans or existing projects to port OpenGL API to C++?

c++ opengl

asked 2012-08-23T10:43:57.980

15

votes

1

answers

Mac OS 10.8 supports GLSL 3.30?

macos opengl glsl osx-mountain-lion

asked 2012-08-15T05:11:59.427

9

votes

2

answers

Syntax Error on token 'class' @ expected [JAVA - LWJGL]

java opengl lwjgl

asked 2012-07-17T14:12:19.750

Questions tagged opengl