diff options
Diffstat (limited to 'src/gallium/drivers/vc5/vc5_state.c')
| -rw-r--r-- | src/gallium/drivers/vc5/vc5_state.c | 40 |
1 files changed, 28 insertions, 12 deletions
diff --git a/src/gallium/drivers/vc5/vc5_state.c b/src/gallium/drivers/vc5/vc5_state.c index 75cd948e4a3..ba2d748ba94 100644 --- a/src/gallium/drivers/vc5/vc5_state.c +++ b/src/gallium/drivers/vc5/vc5_state.c @@ -158,19 +158,35 @@ vc5_create_depth_stencil_alpha_state(struct pipe_context *pctx, so->base = *cso; if (cso->depth.enabled) { - /* We only handle early Z in the < direction because otherwise - * we'd have to runtime guess which direction to set in the - * render config. + switch (cso->depth.func) { + case PIPE_FUNC_LESS: + case PIPE_FUNC_LEQUAL: + so->ez_state = VC5_EZ_LT_LE; + break; + case PIPE_FUNC_GREATER: + case PIPE_FUNC_GEQUAL: + so->ez_state = VC5_EZ_GT_GE; + break; + case PIPE_FUNC_NEVER: + case PIPE_FUNC_EQUAL: + so->ez_state = VC5_EZ_UNDECIDED; + break; + default: + so->ez_state = VC5_EZ_DISABLED; + break; + } + + /* If stencil is enabled and it's not a no-op, then it would + * break EZ updates. */ - so->early_z_enable = - ((cso->depth.func == PIPE_FUNC_LESS || - cso->depth.func == PIPE_FUNC_LEQUAL) && - (!cso->stencil[0].enabled || - (cso->stencil[0].zfail_op == PIPE_STENCIL_OP_KEEP && - cso->stencil[0].func == PIPE_FUNC_ALWAYS && - (!cso->stencil[1].enabled || - (cso->stencil[1].zfail_op == PIPE_STENCIL_OP_KEEP && - cso->stencil[1].func == PIPE_FUNC_ALWAYS))))); + if (cso->stencil[0].enabled && + (cso->stencil[0].zfail_op != PIPE_STENCIL_OP_KEEP || + cso->stencil[0].func != PIPE_FUNC_ALWAYS || + (cso->stencil[1].enabled && + (cso->stencil[1].zfail_op != PIPE_STENCIL_OP_KEEP && + cso->stencil[1].func != PIPE_FUNC_ALWAYS)))) { + so->ez_state = VC5_EZ_DISABLED; + } } const struct pipe_stencil_state *front = &cso->stencil[0]; |