diff options
Diffstat (limited to 'src/gallium')
| -rw-r--r-- | src/gallium/drivers/freedreno/a6xx/fd6_emit.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/src/gallium/drivers/freedreno/a6xx/fd6_emit.c b/src/gallium/drivers/freedreno/a6xx/fd6_emit.c index a805872638f..0853a9529b0 100644 --- a/src/gallium/drivers/freedreno/a6xx/fd6_emit.c +++ b/src/gallium/drivers/freedreno/a6xx/fd6_emit.c @@ -584,12 +584,21 @@ build_vbo_state(struct fd6_emit *emit) static enum a6xx_ztest_mode compute_ztest_mode(struct fd6_emit *emit, bool lrz_valid) { - struct fd6_zsa_stateobj *zsa = fd6_zsa_stateobj(emit->ctx->zsa); + struct fd_context *ctx = emit->ctx; + struct pipe_framebuffer_state *pfb = &ctx->batch->framebuffer; + struct fd6_zsa_stateobj *zsa = fd6_zsa_stateobj(ctx->zsa); const struct ir3_shader_variant *fs = emit->fs; if (fs->no_earlyz || fs->writes_pos) { return A6XX_LATE_Z; - } else if (fs->has_kill || zsa->alpha_test) { + } else if ((fs->has_kill || zsa->alpha_test) && + (zsa->base.depth.writemask || !pfb->zsbuf)) { + /* Slightly odd, but seems like the hw wants us to select + * LATE_Z mode if there is no depth buffer + discard. Either + * that, or when occlusion query is enabled. See: + * + * dEQP-GLES31.functional.fbo.no_attachments.* + */ return lrz_valid ? A6XX_EARLY_LRZ_LATE_Z : A6XX_LATE_Z; } else { return A6XX_EARLY_Z; |