i want to blend two rects, but i want to draw only blended area (area where开发者_如何学运维 rects are intersecting), How to do itIf you don\'t want to compute the intersection you can probably use th
I have a couple of exposure and gamma functions, but I\'ve not come up with an efficient formula to adjust the exposure based on brightness. What I\'d like to do is brighten just the darker regions.
Update: Turns out this is a driver issue with the powerVR SGX in my Nexus S.Code works fluidly on all other devices I\'ve tested it on.
Just simple programming with follow(from here) float odd = floor(mod(gl_FragCoord.y, 2.0));// prob开发者_JAVA技巧lems come from this line
I\'m currently working on an iOS project which is a sort of a client VNC. The server-client connection is successfully 开发者_运维问答established. The program receives the screen image in RAW format a
It\'s been a while since iPhone 3GS came out, and now there might be enough market share of OpenGL ES 2.0 supporting devices to warrant developing in it.
I\'m looking for a quick and dirty, very efficient edge detection shader or edge mesh for a video application. Since this will be done on a mobile device, I need something that places performance over
How can I per开发者_Go百科form the following image processing tasks using OpenGL ES 2.0 shaders?
I want to write to the OpenGL depth buffer only if the current pixel has an alpha > 0.5 how to do that?
How to draw a HUD using shaders on opengl es 2.0? I have a shader which draws a textured quad on screen, it开发者_Python百科 uses MVP matrix. The quad has it own vertices which are independent of vie
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