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| author | Chris Forbes <chrisf@ijw.co.nz> | 2013-04-24 06:44:02 +1200 |
|---|---|---|
| committer | Chris Forbes <chrisf@ijw.co.nz> | 2013-04-25 20:47:54 +1200 |
| commit | 447bf1fb524f1f451baa67ea172caa2ed51369c7 (patch) | |
| tree | 0c508747848d6bcefe0bd2ce2d9c9084888c097a /src/mesa/drivers/dri/i965/gen6_multisample_state.c | |
| parent | 49a7624973870289a10b17778709c4c2a676fb12 (diff) | |
| download | external_mesa3d-447bf1fb524f1f451baa67ea172caa2ed51369c7.zip external_mesa3d-447bf1fb524f1f451baa67ea172caa2ed51369c7.tar.gz external_mesa3d-447bf1fb524f1f451baa67ea172caa2ed51369c7.tar.bz2 | |
i965: report correct sample positions
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 <chrisf@ijw.co.nz>
Reviewed-by: Paul Berry <stereotype441@gmail.com>
Diffstat (limited to 'src/mesa/drivers/dri/i965/gen6_multisample_state.c')
| -rw-r--r-- | src/mesa/drivers/dri/i965/gen6_multisample_state.c | 8 |
1 files 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: |