diff options
Diffstat (limited to 'src/gallium/drivers/radeonsi/si_shader.c')
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_shader.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c index fc50205633d..b2d76994996 100644 --- a/src/gallium/drivers/radeonsi/si_shader.c +++ b/src/gallium/drivers/radeonsi/si_shader.c @@ -4607,12 +4607,26 @@ static void tex_fetch_args( /* Pack depth comparison value */ if (tgsi_is_shadow_target(target) && opcode != TGSI_OPCODE_LODQ) { + LLVMValueRef z; + if (target == TGSI_TEXTURE_SHADOWCUBE_ARRAY) { - address[count++] = lp_build_emit_fetch(bld_base, inst, 1, TGSI_CHAN_X); + z = lp_build_emit_fetch(bld_base, inst, 1, TGSI_CHAN_X); } else { assert(ref_pos >= 0); - address[count++] = coords[ref_pos]; + z = coords[ref_pos]; } + + /* TC-compatible HTILE promotes Z16 and Z24 to Z32_FLOAT, + * so the depth comparison value isn't clamped for Z16 and + * Z24 anymore. Do it manually here. + * + * It's unnecessary if the original texture format was + * Z32_FLOAT, but we don't know that here. + */ + if (ctx->screen->b.chip_class == VI) + z = radeon_llvm_saturate(bld_base, z); + + address[count++] = z; } /* Pack user derivatives */ |