Questions tagged [opengl-es2]
OpenGL ES 2.0 emphasizes a programmable 3D graphics pipeline (comparing to fixed-function pipeline of OpenGL ES 1.1).
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Textures still show as opaque even when alpha is multiplied by zero
I'm having a some problems with blending in OpenGLES2.0
I'm drawing a texture above a framebuffer (with ARGB channels). When I draw a transparent texture over a solid color, the alpha channel is ...
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does texture image format matter for opengl 2?
So, from what I gathered, rendering engines take common image formats like PNG or JPG and convert them into their favored formats, such as Targa or DDS.
Does it mean that using the already converted ...
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Can I just convert everything in godot to C#
Does godot 3.5.1 support C# fully ?
Like does C# for godot have all the same methods that GDscript has?
I'm asking because I remember trying to learn gamedev a long time ago with C++, I was overwelmed ...
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How to add weapon trail to sword swings?
I want to add the translucent blue swish following the sword when it is swung, but I don't even know what to call it, so I can't search it.
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How to increase Godot render distance?
I've tried changing the viewport far distance under view > settings, from 500 to 500 000 and nothing changes in game. The player can only see roughly 90-120 ...
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creating an open world island: Am I doing this correctly?
replicating minecraft but with better graphics is a pain (even very simple things using minecraft like chunks lag incredibly), so I'm just creating an open world that can be destroyed using some ...
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Why does the triangle rendered by OpenGL ES 2.0 , with SDL 2.0 context, vanishes after a single render, if events are not polled?
I was experimenting with OpenGL ES 2.0 and being new to OpenGL, I was trying to render a simple triangle. But I was shocked to see that, if I do not call ...
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Techniques for cursor snap-to-vertex in WebGL or OpenGL?
What's a technique for snapping the mouse pointer to vertices in WebGL or OpenGL? All I need is the vertex position, no other info.
Ideally, I'd like to do this without needing to keep positions and ...
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Godot speed up mobile HTML5 Export GLES2 load time
I got a small Godot project that should be played on mobile devices, however the load time of a GLES2/ HTML5 export project of Godot takes 20+ seconds to load from the server.
To decrease the load ...
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How to debug shaders running on Android 4.x devices?
I have tried some of the existing inspectors such as RenderDoc and gapid, but none of them can be used with Android 4.x. Latest version of gapid requires Android 6.0 and RenderDoc requires Android 5.0....
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OpenGL strange depth test behavior
I have a simple OpenGL program that renders terrain with a texture. It exhibits some strange behaviors (see video) that look similar to depth test issues. However, I have already enabled depth test. ...
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Concerns about how to efficiently implement sprite atlas
I currently transform (translate, rotate, scale) a bunch of vertices in my own Java code, then populate an mPositions array and an ...
user24493
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How to use large texture atlases in my shaders on mobile devices
This is a frustrating discovery. I have ported my desktop game to mobile and discovered that floating point precision in my shaders is not good.
I have large animations which I store per frame on a ...
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Random FPS drop with OpenGLES 2.0 on android, sudden white screen with Vulkan
I'm having a problem with my 2D game on Android.
When I use OpenGLES 2.0 as the graphics API, I experience sudden FPS drops in the game. The game starts to slow down sometimes randomly, And it can ...
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Why can't I use C routines to load files in Android NDK?
I have successfully rendered a triangle with a hard coded shader using NativeActivity of Android NDK. Now I have the requirement to load a shader file. I tried to ...
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GLSL shader time uniform freezed?
I have a simple fragment shader to simulate "falling water". I'm using Ogre3D and opengles2, this is my code:
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Texture being rendered to main frame buffer?
I'm using Ogre 1.10.12 (openglES2 as render system) to create a manual texture like this:
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Game Maker Studio 2, Shaders not working as intended in webbrowsers on mac
The shader output of my html5 game in Game Maker Studio 2 looks wrong on webbrowsers on MacOS. Sometimes the shaders lack completely and at other times the shader colors look completely different. ...
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Roads rendering over 3D terrain
I've got a 3D terrain that consists of many heightmap-based tiles. I need to render multiple roads over the tile. By now I simply subdivide road into tile pieces then generate a decal per each tile. ...
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Choosing size of frustum based on objects
I would like to show camera frames using OpenGL and rotate the frame in 3D. The frame is placed at (0,0,-frameDepth), and will rotate about the origin.
Should I decide the size of frustum based on ...
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glVertexAttribPointer alters completely different shader program
My program contains two shader programs in it. The following code is for preparing one of the shader program's attributes:
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GLfloat vs GLfixed vs GLint performance in 2017
Some people claim that floats should be used for rendering vertices in modern graphics cards, because graphics cards are optimized for floating-point arithmetic and therefore, integer calculations are ...
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Android - Google play - enable download app for devices that supports opengl extension
I am using OpenGL ES 2 in my game. However, for simplicity i have used some extensions like VAO. Is there a way, how to disable dowloading of my app for devices, that do not support this (and other) ...
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IOS very simple 2d engine/api rendering showdown [closed]
So after taking some time running through a course, I believe I have enough experience with referring back to the course how to make the game I wish to all apart from one thing. How to draw the game ...
user92963
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Can ANGLE OpenGL ES 2.0 use the same color / depth surface as Direct3D11?
Lets just assume I have some simple OpenGL ES 2.0 code that renders a box with depth writing / testing. Is it possible to put this box in a middle of a Direct3D11 scene using angle?
The MS angle ...
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