/* * Copyright 2008 Corbin Simpson * Copyright 2010 Marek Olšák * SPDX-License-Identifier: MIT */ #include "draw/draw_context.h" #include "draw/draw_private.h" #include "util/u_upload_mgr.h" #include "util/os_time.h" #include "r300_context.h" #include "r300_cs.h" #include "r300_emit.h" static void r300_flush_and_cleanup(struct r300_context *r300, unsigned flags, struct pipe_fence_handle **fence) { struct r300_atom *atom; r300_emit_hyperz_end(r300); r300_emit_query_end(r300); if (r300->screen->caps.is_r500) r500_emit_index_bias(r300, 0); /* The DDX doesn't set these regs. */ { CS_LOCALS(r300); OUT_CS_REG_SEQ(R300_GB_MSPOS0, 2); OUT_CS(0x66666666); OUT_CS(0x6666666); } r300->flush_counter++; r300->rws->cs_flush(&r300->cs, flags, fence); r300->dirty_hw = 0; /* New kitchen sink, baby. */ foreach_atom(r300, atom) { if (atom->state || atom->allow_null_state) { r300_mark_atom_dirty(r300, atom); } } r300->vertex_arrays_dirty = true; /* Unmark HWTCL state for SWTCL. */ if (!r300->screen->caps.has_tcl) { r300->vs_state.dirty = false; r300->vs_constants.dirty = false; r300->clip_state.dirty = false; } } void r300_flush(struct pipe_context *pipe, unsigned flags, struct pipe_fence_handle **fence) { struct r300_context *r300 = r300_context(pipe); if (r300->dirty_hw) { r300_flush_and_cleanup(r300, flags, fence); } else { if (fence) { /* We have to create a fence object, but the command stream is empty * and we cannot emit an empty CS. Let's write to some reg. */ CS_LOCALS(r300); OUT_CS_REG(RB3D_COLOR_CHANNEL_MASK, 0); r300->rws->cs_flush(&r300->cs, flags, fence); } else { /* Even if hw is not dirty, we should at least reset the CS in case * the space checking failed for the first draw operation. */ r300->rws->cs_flush(&r300->cs, flags, NULL); } } /* Update Hyper-Z status. */ if (r300->hyperz_enabled) { /* If there was a Z clear, keep Hyper-Z access. */ if (r300->num_z_clears) { r300->hyperz_time_of_last_flush = os_time_get(); r300->num_z_clears = 0; } else if (r300->hyperz_time_of_last_flush - os_time_get() > 2000000) { /* If there hasn't been a Z clear for 2 seconds, revoke Hyper-Z access. */ r300->hiz_in_use = false; /* Decompress the Z buffer. */ if (r300->zmask_in_use) { if (r300->locked_zbuffer) { r300_decompress_zmask_locked(r300); } else { r300_decompress_zmask(r300); } if (fence && *fence) r300->rws->fence_reference(r300->rws, fence, NULL); r300_flush_and_cleanup(r300, flags, fence); } /* Revoke Hyper-Z access, so that some other process can take it. */ r300->rws->cs_request_feature(&r300->cs, RADEON_FID_R300_HYPERZ_ACCESS, false); r300->hyperz_enabled = false; } } } static void r300_flush_wrapped(struct pipe_context *pipe, struct pipe_fence_handle **fence, unsigned flags) { if (flags & PIPE_FLUSH_HINT_FINISH) flags &= ~PIPE_FLUSH_ASYNC; r300_flush(pipe, flags, fence); } void r300_init_flush_functions(struct r300_context* r300) { r300->context.flush = r300_flush_wrapped; }