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Results tagged with opengl
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user 36172
OpenGL is a graphics standard and API which targets the desktop and workstation markets. It is designed to be easy to accelerate with dedicated computer hardware, and hence most implementations give greatly improved performance over traditional software rendering. Currently, OpenGL is used for applications like CAD software and computer games. It is also cross-platform. The OpenGL standard is controlled by the Khronos group, which also controls OpenGL ES.
4
votes
Accepted
Draw selected instances of VAO (glDrawArraysInstanced)
Keep in mind that various instancing features have been added to OpenGL at different times:
OpenGL 3.1 ARB_draw_instanced and ARB_uniform_buffer_object become core, allowing basic instanced rendering … OpenGL 3.3 ARB_instanced_arrays becomes core, allowing for instanced vertex attributes through glVertexAttribDivisor.
OpenGL 4.2 ARB_base_instance makes instanced attributes more flexible. …
- 2,338
1
vote
How to fix model matrices colliding in vertex shader?
Typically, the MVP matrix (along with any other matrices you might be using) are specified using uniforms, for example:
#version 330
in vec3 iPosition; // input from vertex attribute
out vec3 vPosit …
- 2,338
1
vote
OpenGL Arc-Ball Camera Yaw Pitch GLM::Rotate
There are a few issues that are preventing your code from behaving like you expect.
First of all, your pitch and yaw rotations are applied in the wrong order. Remember non-coplanar 3D rotations are …
- 2,338
3
votes
Accepted
How can I set up an intuitive perspective projection/view matrix combination in OpenGL, usin...
user1118321's answer will provide you the correct answer, though it is more general than necessary. Since we're dealing with a right triangle, the easiest solution is to use the definition of the tan …
- 2,338