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16bpp doesn't support masked clears, so fallback when they're enabled.

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This commit is contained in:
Alan Hourihane 2005-01-14 13:02:53 +00:00
parent 96d375c682
commit 38595eda39
1 changed files with 10 additions and 0 deletions
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10
src/mesa/drivers/dri/unichrome/via_ioctl.c
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@ -242,6 +242,16 @@ static void viaClear(GLcontext *ctx, GLbitfield mask, GLboolean all,
}
}
}
/* 16bpp doesn't support masked clears */
if (vmesa->viaScreen->bytesPerPixel == 2 &&
vmesa->ClearMask & 0xf0000000) {
if (flag & VIA_FRONT)
mask |= DD_FRONT_LEFT_BIT;
if (flag & VIA_BACK)
mask |= DD_BACK_LEFT_BIT;
flag &= ~(VIA_FRONT | VIA_BACK);
}
if (flag) {
drm_clip_rect_t *boxes, *tmp_boxes = 0;