support GL_ARB_texture_multisample extension. #3429
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This extension allows the use of "texelFetch" and "textureSize" with 2DMS sampler.
out float result;
uniform sampler2DMS data;
uniform sampler2DMSArray data1;
void main()
{
result = texelFetch(data, ivec2(0), 3).r;
ivec2 temp = textureSize(data);
result = texelFetch(data1, ivec3(0), 3).r;
ivec3 temp1 = textureSize(data1);
}