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Old 02-08-06, 06:55 AM   #1
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Join Date: Feb 2005
Posts: 4
Default gl_FragData warning with glsl

I am using FBOs and MRTs and linux with NVIDIA 81.78 linux driver.

I get the following warning when compiling my GLSL fragment shader that writes to gl_FragData[0] and gl_FragData[1]:
warning C7506: OpenGL does not define the global variable gl_FragData

As i said the program works but i just wonder why i get a warning?

simple shader source follows:

const char* source =
"void main(void){"
" gl_FragData[0] = 0.0;"
" gl_FragData[1] = 2.0;"
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