GL_VENDOR:ATI Technologies Inc.
GL_RENDERER:RADEON 9700 PRO x86/MMX/3DNow!
GL_VERSION:2.0.5525 WinXP Release (Catalyst 5.13)
FBO with 4 RGB8 ColorAttachments.
int colorBuffers;
unsigned int bufs[4]={
GL_COLOR_ATTACHMENT0_EXT,
GL_COLOR_ATTACHMENT1_EXT,
GL_COLOR_ATTACHMENT2_EXT,
GL_COLOR_ATTACHMENT3_EXT,
};
glDrawBuffersARB(colorBuffers,bufs);
DrawScene();
glDrawBuffersARB(1,bufs);
colorBuffers=1 -> 60 fps (GPU limited)
colorBuffers=2 -> 23 fps (CPU limited)
colorBuffers=3 -> 23 fps (CPU limited)
colorBuffers=4 -> 23 fps (CPU limited)
FBO + MRT not supported in hardware? yet?
Thanks