>From low to high bits, the sample positions are packed y0,x0,y1,x1...
Fixes arb_texture_multisample-sample-position piglit.
Signed-off-by: Chris Forbes <chr...@ijw.co.nz>
---
src/mesa/drivers/dri/i965/gen6_multisample_state.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/gen6_multisample_state.c
b/src/mesa/drivers/dri/i965/gen6_multisample_state.c
index 35071e8..534abc2 100644
--- a/src/mesa/drivers/dri/i965/gen6_multisample_state.c
+++ b/src/mesa/drivers/dri/i965/gen6_multisample_state.c
@@ -83,14 +83,14 @@ gen6_get_sample_position(struct gl_context *ctx,
break;
case 4: {
uint8_t val = (uint8_t)(sample_positions_4x[0] >> (8*index));
- result[0] = (val & 0xf) / 16.0f;
- result[1] = ((val >> 4) & 0xf) / 16.0f;
+ result[0] = ((val >> 4) & 0xf) / 16.0f;
+ result[1] = (val & 0xf) / 16.0f;
break;
}
case 8: {
uint8_t val = (uint8_t)(sample_positions_8x[index>>2] >> (8*(index &
3)));
- result[0] = (val & 0xf) / 16.0f;
- result[1] = ((val >> 4) & 0xf) / 16.0f;
+ result[0] = ((val >> 4) & 0xf) / 16.0f;
+ result[1] = (val & 0xf) / 16.0f;
break;
}
default:
--
1.8.2.1
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