Get segment fault when I tried to drawPixels to GL_RGBA , please help!
I can draw pixels to RED, GREEN, BLUE and ALPHA partion by using:
GLubye buf[512][512];
glDrawBuffer(GL_FRONT);
glDrawPixels(512,512,GL_RED, GL_UNSIGNED_BYTE, buf)
But I encounter a segment fault when I tried to draw pixel to RGBA partion. The following is what my code look like:
GLuint buf[512][512];
glDrawBuffer(GL_FRONT);
glDrawPixels(512,512,GL_RGBA, GL_UNSIGNED_INT, buf)
What could be wrong here?
Please help! Thanks a lot
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