opengl

opengl

How to draw rotating cube glium?

Given an input of fragment positions in a shader, how can I blur each fragment position with an airy disc?

Converting an equiangular cubemap to an equirectangular one

add custom ffmpeg avfilter in mlt [closed]

Why do OpenGL 4 GL_RGBA2 and GL_RGBA4 sized format have a base format of GL_RGB instead of GL_RGBA?

glEnableClientState vs shader's attribute location

Why datas use glReadPixels read from GL_COLOR_ATTACHMENT0 and GL_BACK are different?

Why is my Open GL Compute Shader so slow?

LNK2005 with __declspec(dllexport)

OpenGL texture transformation when two textures on same mesh

glBufferData is very slow if I reserve the right amount of memory [closed]

Can I use GL_PACK_SKIP_PIXELS to load only the pixels from an array of c structures

Setting OpenGL uniform value from shader storage buffer

Do GLSL code snippets stored in named strings have to be compileable code to #include via ARB_shading_language_include extension?

Strange behavior with texture rendering when switching from Intel to nVidia graphic card [closed]

How mipmap worked with fragment shader in opengl?

Clearing FBO depth buffer without considering glDephMask

Disambiguate "vertex" in "vertex shader"

Handling per-primitive normals when there are less vertices than primitives in OpenGL4.5

My GLSL Diffuse Shader is not working properly. How can I fix it?

Using WebRender to render a PNG image

flip image in opengl with scale

Geometry Shader to output a line that’s a quarter of the screen width

DirectX software renderer like Mesa3D for OpenGL [closed]

OpenGL Geometry Shader rendering triangle instead of square from a point

Are Shader Storage Buffer Objects the right tool to have persistent memory between shader loops?

Multiplication in OpenGL vertex shader using column-major matrix does not draw triangle as expected

Flexible llighting method in 2D (using OpenGL)

How does openGL store VBO & 'GL_ARRAY_BUFFER' on GPU?

I can't repeat the texture using GL_TEXTURE_CUBE_MAP and GL_REPEAT

Stencil-like shader masking, but with shader control over how the mask is created?

Map texture to single points rather than quads?

Draw two shapes on top of each other in geometry shader?

How can I correct for Aspect Ratio when rotating a Normalised Device Coordinate based view?

GLSL simple shader results in strange compilation errors

Understanding glClearBuffer* (difference between fixed- and floating point- color buffers)

Why is OpenGL telling me that terminate called after throwing an instance of 'int' after running it?

How to pass data to std430 alignment buffer object [duplicate]

Mesa - glCopyPixels is much slower on iris compared to i965

Most efficient way to remove darker border around gaussian blur

i cant make 2 tubes that rotate in different direction in basic4gl

Single buffering in OpenGL without clearing

How to get the smallest texel that wraps a triangle

How the vertex shader is passing to the fragment shader

What is glteximage2d and gltexsubimage2d pixel ordering?

difference between vulkan context and opengl context

opengl shared memory layout and size

Is it possible to reprocess a fragment shader before it is drawn to the screen?

Why is my OpenGL Texutre render darkened? (The RGB values are squared)

Why there is no output to the framebuffer's textures?

Draw 3D cube with line loop

Rendering to framebuffer and then to screen has reduced quality

Does dual-source blending require larger color buffer?

How to get shader storage block's variable offset when using layout(packed) or layout(shared) in OpenGL?

Where are the shaders compiled into machine code in Nouveau driver?

Can I create PBO in this way?

What's the relationship between the barycentric coordinates of triangle in clip space and the one in screen space [closed]

Rotate sampler2D texture using fragment shader

Find coordinates on sphere that preserve apparent angle to a viewer at (0,0,0)

OpenGL Pipeline

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