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fix glReadPixels parameters to handle odd-width windows correctly

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This commit is contained in:
Brian 2007-06-08 13:10:01 -06:00
parent 5e9cff0b97
commit 39d221ef14
1 changed files with 3 additions and 2 deletions
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5
progs/tests/drawbuffers.c
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@ -74,8 +74,9 @@ Display(void)
buffer);
/* top half = colorbuffer 1 */
glReadBuffer(GL_COLOR_ATTACHMENT1_EXT);
glReadPixels(0, Height/2, Width, Height / 2, GL_RGBA, GL_UNSIGNED_BYTE,
buffer + Width * Height / 2 * 4);
glReadPixels(0, Height/2, Width, Height - Height / 2,
GL_RGBA, GL_UNSIGNED_BYTE,
buffer + Width * (Height / 2) * 4);
/* draw to window */
glUseProgram_func(0);