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* Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
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* Copyright 2010 Marek Olšák <maraeo@gmail.com>
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* on the rights to use, copy, modify, merge, publish, distribute, sub
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* license, and/or sell copies of the Software, and to permit persons to whom
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* the Software is furnished to do so, subject to the following conditions:
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE. */
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#include "draw/draw_context.h"
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#include "draw/draw_private.h"
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#include "util/simple_list.h"
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#include "util/u_upload_mgr.h"
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#include "util/os_time.h"
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#include "r300_context.h"
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#include "r300_emit.h"
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static void r300_flush_and_cleanup(struct r300_context *r300, unsigned flags,
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struct pipe_fence_handle **fence)
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struct r300_atom *atom;
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r300_emit_hyperz_end(r300);
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r300_emit_query_end(r300);
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if (r300->screen->caps.is_r500)
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r500_emit_index_bias(r300, 0);
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/* The DDX doesn't set these regs. */
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OUT_CS_REG_SEQ(R300_GB_MSPOS0, 2);
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r300->flush_counter++;
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r300->rws->cs_flush(&r300->cs, flags, fence);
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/* New kitchen sink, baby. */
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foreach_atom(r300, atom) {
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if (atom->state || atom->allow_null_state) {
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r300_mark_atom_dirty(r300, atom);
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r300->vertex_arrays_dirty = TRUE;
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/* Unmark HWTCL state for SWTCL. */
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if (!r300->screen->caps.has_tcl) {
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r300->vs_state.dirty = FALSE;
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r300->vs_constants.dirty = FALSE;
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r300->clip_state.dirty = FALSE;
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void r300_flush(struct pipe_context *pipe,
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struct pipe_fence_handle **fence)
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struct r300_context *r300 = r300_context(pipe);
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r300_flush_and_cleanup(r300, flags, fence);
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/* We have to create a fence object, but the command stream is empty
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* and we cannot emit an empty CS. Let's write to some reg. */
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OUT_CS_REG(RB3D_COLOR_CHANNEL_MASK, 0);
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r300->rws->cs_flush(&r300->cs, flags, fence);
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/* Even if hw is not dirty, we should at least reset the CS in case
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* the space checking failed for the first draw operation. */
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r300->rws->cs_flush(&r300->cs, flags, NULL);
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/* Update Hyper-Z status. */
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if (r300->hyperz_enabled) {
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/* If there was a Z clear, keep Hyper-Z access. */
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if (r300->num_z_clears) {
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r300->hyperz_time_of_last_flush = os_time_get();
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r300->num_z_clears = 0;
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} else if (r300->hyperz_time_of_last_flush - os_time_get() > 2000000) {
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/* If there hasn't been a Z clear for 2 seconds, revoke Hyper-Z access. */
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r300->hiz_in_use = FALSE;
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/* Decompress the Z buffer. */
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if (r300->zmask_in_use) {
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if (r300->locked_zbuffer) {
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r300_decompress_zmask_locked(r300);
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r300_decompress_zmask(r300);
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r300->rws->fence_reference(fence, NULL);
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r300_flush_and_cleanup(r300, flags, fence);
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/* Revoke Hyper-Z access, so that some other process can take it. */
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r300->rws->cs_request_feature(&r300->cs, RADEON_FID_R300_HYPERZ_ACCESS,
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r300->hyperz_enabled = FALSE;
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static void r300_flush_wrapped(struct pipe_context *pipe,
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struct pipe_fence_handle **fence,
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if (flags & PIPE_FLUSH_HINT_FINISH)
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flags &= ~PIPE_FLUSH_ASYNC;
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r300_flush(pipe, flags, fence);
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void r300_init_flush_functions(struct r300_context* r300)
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r300->context.flush = r300_flush_wrapped;