| /* |
| * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com> |
| * Copyright 2010 Marek Olšák <maraeo@gmail.com> |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * on the rights to use, copy, modify, merge, publish, distribute, sub |
| * license, and/or sell copies of the Software, and to permit persons to whom |
| * the Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, |
| * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
| * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
| * USE OR OTHER DEALINGS IN THE SOFTWARE. */ |
| |
| #include "draw/draw_context.h" |
| #include "draw/draw_private.h" |
| |
| #include "util/u_simple_list.h" |
| #include "util/u_upload_mgr.h" |
| |
| #include "os/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 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); |
| |
| r300->flush_counter++; |
| r300->rws->cs_flush(r300->cs, flags); |
| 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); |
| struct pb_buffer **rfence = (struct pb_buffer**)fence; |
| |
| if (r300->draw && !r300->draw_vbo_locked) |
| r300_draw_flush_vbuf(r300); |
| |
| if (r300->screen->info.drm_minor >= 12) { |
| flags |= RADEON_FLUSH_KEEP_TILING_FLAGS; |
| } |
| |
| if (rfence) { |
| /* Create a fence, which is a dummy BO. */ |
| *rfence = r300->rws->buffer_create(r300->rws, 1, 1, |
| PIPE_BIND_CUSTOM, |
| RADEON_DOMAIN_GTT); |
| /* Add the fence as a dummy relocation. */ |
| r300->rws->cs_add_reloc(r300->cs, |
| r300->rws->buffer_get_cs_handle(*rfence), |
| RADEON_USAGE_READWRITE, RADEON_DOMAIN_GTT); |
| } |
| |
| if (r300->dirty_hw) { |
| r300_flush_and_cleanup(r300, flags); |
| } else { |
| if (rfence) { |
| /* 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); |
| } 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); |
| } |
| } |
| |
| /* Update Hyper-Z status. */ |
| if (r300->num_z_clears) { |
| r300->hyperz_time_of_last_flush = os_time_get(); |
| } else if (!r300->hyperz_time_of_last_flush > 2000000) { |
| /* 2 seconds without a Z clear pretty much means a dead context |
| * for HyperZ. */ |
| |
| r300->hiz_in_use = FALSE; |
| |
| /* Decompress Z buffer. */ |
| if (r300->zmask_in_use) { |
| if (r300->locked_zbuffer) { |
| r300_decompress_zmask_locked(r300); |
| } else { |
| r300_decompress_zmask(r300); |
| } |
| |
| r300_flush_and_cleanup(r300, flags); |
| } |
| |
| /* Release HyperZ. */ |
| r300->rws->cs_request_feature(r300->cs, RADEON_FID_R300_HYPERZ_ACCESS, |
| FALSE); |
| } |
| r300->num_z_clears = 0; |
| } |
| |
| static void r300_flush_wrapped(struct pipe_context *pipe, |
| struct pipe_fence_handle **fence) |
| { |
| r300_flush(pipe, 0, fence); |
| } |
| |
| void r300_init_flush_functions(struct r300_context* r300) |
| { |
| r300->context.flush = r300_flush_wrapped; |
| } |