opengl-3

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Matrix components and dot product

I have the following GLSL code: uniform mat3x3 rgb2xyz = mat3x3( vec3(DEFAULT_RGB2XYZ_XR, DEFAULT_RGB2XYZ_XG, DEFAULT_RGB2XYZ_XB),[详细]

2023-03-30 06:25 分类：问答
OpenGL 3.0: Access Violation exception caused by VBOs

I am updating a quite outdated OpenGL project. So I am trying to move from vertex arrays to VBOs, but I have an access violation exception that I cannot trace.[详细]

2023-03-19 05:00 分类：问答
Drawing VBO with glDrawArrays works in OpenGL 2.1 but not in OpenGL 3.x

The core of code (displaying red rectangle): //bind program, set uniforms, bind vbo glEnableVertexAttribArray(0);[详细]

2023-03-14 00:06 分类：问答
Understanding Vertex Array Objects (glGenVertexArrays )

I am confused with the point in generating/creating a Vertex Array Object (VAO) with: glGenVertexArrays(GLsizei n, GLui开发者_如何学JAVAnt *arrays);[详细]

2023-03-05 01:06 分类：问答
Understanding code used to draw quads in OpenGL 3.3+ core using triangles

I\'m trying to draw a quad for a background (2D) using OpenGL 3.x+.Quads are deprecated, so the goal is to use two triangles to make a rectangle that fills the screen.It\'s working, but I\'m not 100%[详细]

2023-03-01 16:25 分类：问答
Toon shader with textures

I\'m trying to implement a toon shader with texture using C++ on opengl 3+ but after a week i only got a color toon shade without textures.[详细]

2023-02-28 20:55 分类：问答
OpenGL Low-Level Performance Questions

This subject, as with any optimisation problem, gets hit on a lot, but I just couldn\'t find what I (think) I want.[详细]

2023-02-15 21:43 分类：问答
Use index as coordinate in OpenGL

I want to implement a timeseries viewer that allows a user to zoom and smoothly pan. I\'ve done some immediate mode opengl before, but that\'s now deprecated in favor of VBOs.All the examples of VBOs[详细]

2023-02-09 19:06 分类：问答
Code Assist, OpenGL VAO/VBO Classes not drawing

Edit II: Current Code works great! Thanks everyone. I went ahead and included my shader code for reference at the bottom though they do absolutely nothing at this point really.[详细]

2023-02-08 07:14 分类：问答
Should I use some kind of engine or start from scratch?

I want to learn how to make cool graphics, like lighting, shadows, water, etc. I also want to eventually turn it into a game. Creating a game is second on the list though, and I really want to focus o[详细]

2023-02-05 09:21 分类：问答