<div dir="ltr">On 23 April 2013 11:54, Chris Forbes <span dir="ltr"><<a href="mailto:chrisf@ijw.co.nz" target="_blank">chrisf@ijw.co.nz</a>></span> wrote:<br><div class="gmail_extra"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
>From low to high bits, the sample positions are packed y0,x0,y1,x1...<br>
<br>
Fixes arb_texture_multisample-sample-position piglit.<br>
<br>
Signed-off-by: Chris Forbes <<a href="mailto:chrisf@ijw.co.nz">chrisf@ijw.co.nz</a>><br></blockquote><div><br></div><div>Reviewed-by: Paul Berry <<a href="mailto:stereotype441@gmail.com">stereotype441@gmail.com</a>><br>
</div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
---<br>
src/mesa/drivers/dri/i965/gen6_multisample_state.c | 8 ++++----<br>
1 file changed, 4 insertions(+), 4 deletions(-)<br>
<br>
diff --git a/src/mesa/drivers/dri/i965/gen6_multisample_state.c b/src/mesa/drivers/dri/i965/gen6_multisample_state.c<br>
index 35071e8..534abc2 100644<br>
--- a/src/mesa/drivers/dri/i965/gen6_multisample_state.c<br>
+++ b/src/mesa/drivers/dri/i965/gen6_multisample_state.c<br>
@@ -83,14 +83,14 @@ gen6_get_sample_position(struct gl_context *ctx,<br>
break;<br>
case 4: {<br>
uint8_t val = (uint8_t)(sample_positions_4x[0] >> (8*index));<br>
- result[0] = (val & 0xf) / 16.0f;<br>
- result[1] = ((val >> 4) & 0xf) / 16.0f;<br>
+ result[0] = ((val >> 4) & 0xf) / 16.0f;<br>
+ result[1] = (val & 0xf) / 16.0f;<br>
break;<br>
}<br>
case 8: {<br>
uint8_t val = (uint8_t)(sample_positions_8x[index>>2] >> (8*(index & 3)));<br>
- result[0] = (val & 0xf) / 16.0f;<br>
- result[1] = ((val >> 4) & 0xf) / 16.0f;<br>
+ result[0] = ((val >> 4) & 0xf) / 16.0f;<br>
+ result[1] = (val & 0xf) / 16.0f;<br>
break;<br>
}<br>
default:<br>
<span class="HOEnZb"><font color="#888888">--<br>
1.8.2.1<br>
<br>
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</font></span></blockquote></div><br></div></div>