diff options
| author | Eric Anholt <[email protected]> | 2016-04-27 19:09:01 -0700 |
|---|---|---|
| committer | Eric Anholt <[email protected]> | 2016-05-02 11:06:29 -0700 |
| commit | e138716d8d96a8bd53d9403635777e33698bfd2c (patch) | |
| tree | dca1b9fec190c0ce0f2d413c2aeccd58e21624ef /src/gallium/drivers/vc4 | |
| parent | 3bee7581e68fd1ce5833b9287ee2d03f79c3d3e3 (diff) | |
vc4: Use the NIR cubemap normalization instead of our own.
This is one of two uses of the current QIR CSE pass according to
shader-db. The NIR pass means that we'll end up doing Newton-Raphson on
our RCP, which we weren't doing before, but that's probably actually a
good thing.
Diffstat (limited to 'src/gallium/drivers/vc4')
| -rw-r--r-- | src/gallium/drivers/vc4/vc4_program.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/src/gallium/drivers/vc4/vc4_program.c b/src/gallium/drivers/vc4/vc4_program.c index b1c8b009ffc..a1646d7369e 100644 --- a/src/gallium/drivers/vc4/vc4_program.c +++ b/src/gallium/drivers/vc4/vc4_program.c @@ -403,12 +403,6 @@ ntq_emit_tex(struct vc4_compile *c, nir_tex_instr *instr) } if (instr->sampler_dim == GLSL_SAMPLER_DIM_CUBE) { - struct qreg ma = qir_FMAXABS(c, qir_FMAXABS(c, s, t), r); - struct qreg rcp_ma = qir_RCP(c, ma); - s = qir_FMUL(c, s, rcp_ma); - t = qir_FMUL(c, t, rcp_ma); - r = qir_FMUL(c, r, rcp_ma); - qir_TEX_R(c, r, texture_u[next_texture_u++]); } else if (c->key->tex[unit].wrap_s == PIPE_TEX_WRAP_CLAMP_TO_BORDER || c->key->tex[unit].wrap_s == PIPE_TEX_WRAP_CLAMP || @@ -1893,6 +1887,7 @@ vc4_shader_ntq(struct vc4_context *vc4, enum qstage stage, } } + NIR_PASS_V(c->s, nir_normalize_cubemap_coords); NIR_PASS_V(c->s, nir_lower_tex, &tex_options); if (c->fs_key && c->fs_key->light_twoside) |