I\'m trying to draw a white quad on Android with OpenGL-ES and the colors are fading. See picture: http://img88.imageshack.us/img88/2787/tempew.png
I\'m doing some GPGPU stuff on a GLES2 platform that supports maximum RGBA8 render targets (iOS). I need to o开发者_开发知识库utput a vec2 in the range +/- 2.0 with as much precision as I can get, so
I\'m attempting to load two textures and pass them on to two samplers in my shader, however both the samplers return the first texture I load. Furthermore if I don\'t load a texture into GL_TEXTURE0,
Is there any difference if I specify vertex/color data through glVertexPointer/glColorPoi开发者_StackOverflow中文版nter
I\'m writing a small 2D game engine in OpenGL ES 2.0. It works, but for medium sized scenes it feels a little sluggish currently. I designed it so that every game object is a tree of nodes, and each n
When I get a memory warning level-1 my EAGLView starts spitting out lines of openGL errors (502 & 506) and the app doesn\'t crash but the EAGLView becomes unresponsive. the errors are spamming out
I am reading Beginning Android Games (Mario Zechner) at the moment. While reading about 2D games with OpenGL ES 1.0 the author introduces the concept of the SpriteBatcher that takes for each sprite i
Is there a way to draw a triangle with line only ? I think GL_开发者_运维知识库TRIANGLES option make triangle filled with color.Set the fill mode with glPolygonMode(face, model):
I search all the question and answer in StackOverflow but can not get the result I want. I would like to use a PNG file, to display as a stroke at the point user touch and move. This is the PNG file:
i\'ve got three glsl attributes in my vertex shader attribute highpvec4Position; attribute mediump vec4UV;