diff options
| author | Eric Anholt <[email protected]> | 2015-01-06 11:30:19 -0800 |
|---|---|---|
| committer | Eric Anholt <[email protected]> | 2015-01-06 17:22:13 -0800 |
| commit | 426fd535d9e2812c52dd709f8e5532bae501b3f6 (patch) | |
| tree | 82a9ec73f8e28e94096e12bf195dd82bf3efbd65 /src/gallium/drivers/vc4 | |
| parent | 49b5c901e88810946dcbf1a596fbe79c507c3214 (diff) | |
vc4: Fix scaling W projection of the Z coordinate when there's a Z offset.
Fixes piglit glsl-fs-fragcoord-zw-perspective, es3conform
gl_FragCoord_z_frag, and the rest of the piglit glsl 1.10 interpolation
tests.
Diffstat (limited to 'src/gallium/drivers/vc4')
| -rw-r--r-- | src/gallium/drivers/vc4/vc4_program.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/gallium/drivers/vc4/vc4_program.c b/src/gallium/drivers/vc4/vc4_program.c index 5a5a5e34bc0..bba02ca93f2 100644 --- a/src/gallium/drivers/vc4/vc4_program.c +++ b/src/gallium/drivers/vc4/vc4_program.c @@ -1903,11 +1903,11 @@ emit_zs_write(struct vc4_compile *c, struct qreg rcp_w) struct qreg zscale = add_uniform(c, QUNIFORM_VIEWPORT_Z_SCALE, 0); struct qreg zoffset = add_uniform(c, QUNIFORM_VIEWPORT_Z_OFFSET, 0); - qir_VPM_WRITE(c, qir_FMUL(c, qir_FADD(c, qir_FMUL(c, + qir_VPM_WRITE(c, qir_FADD(c, qir_FMUL(c, qir_FMUL(c, c->outputs[c->output_position_index + 2], zscale), - zoffset), - rcp_w)); + rcp_w), + zoffset)); } static void |