/* * Copyright 2008 Corbin Simpson * Copyright 2010 Marek Olšák * * 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; } } 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 (rfence) { /* Create a fence, which is a dummy BO. */ *rfence = r300->rws->buffer_create(r300->rws, 1, 1, PIPE_BIND_VERTEX_BUFFER, 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_DOMAIN_GTT, 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; }