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/*
* Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
*
* 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.
*
* Authors:
* Jerome Glisse
*/
#include "si_pipe.h"
/* initialize */
void si_need_cs_space(struct si_context *ctx, unsigned num_dw,
boolean count_draw_in)
{
int i;
/* The number of dwords we already used in the CS so far. */
num_dw += ctx->b.rings.gfx.cs->cdw;
if (count_draw_in) {
for (i = 0; i < SI_NUM_ATOMS(ctx); i++) {
if (ctx->atoms.array[i]->dirty) {
num_dw += ctx->atoms.array[i]->num_dw;
}
}
/* The number of dwords all the dirty states would take. */
num_dw += si_pm4_dirty_dw(ctx);
/* The upper-bound of how much a draw command would take. */
num_dw += SI_MAX_DRAW_CS_DWORDS;
}
/* Count in queries_suspend. */
num_dw += ctx->b.num_cs_dw_nontimer_queries_suspend;
/* Count in streamout_end at the end of CS. */
if (ctx->b.streamout.begin_emitted) {
num_dw += ctx->b.streamout.num_dw_for_end;
}
/* Count in render_condition(NULL) at the end of CS. */
if (ctx->b.predicate_drawing) {
num_dw += 3;
}
/* Count in framebuffer cache flushes at the end of CS. */
num_dw += ctx->atoms.s.cache_flush->num_dw;
#if SI_TRACE_CS
if (ctx->screen->b.trace_bo) {
num_dw += SI_TRACE_CS_DWORDS;
}
#endif
/* Flush if there's not enough space. */
if (num_dw > RADEON_MAX_CMDBUF_DWORDS) {
ctx->b.rings.gfx.flush(ctx, RADEON_FLUSH_ASYNC, NULL);
}
}
void si_context_gfx_flush(void *context, unsigned flags,
struct pipe_fence_handle **fence)
{
struct si_context *ctx = context;
struct radeon_winsys_cs *cs = ctx->b.rings.gfx.cs;
if (cs->cdw == ctx->b.initial_gfx_cs_size && !fence)
return;
ctx->b.rings.gfx.flushing = true;
r600_preflush_suspend_features(&ctx->b);
ctx->b.flags |= R600_CONTEXT_FLUSH_AND_INV_CB |
R600_CONTEXT_FLUSH_AND_INV_CB_META |
R600_CONTEXT_FLUSH_AND_INV_DB |
R600_CONTEXT_FLUSH_AND_INV_DB_META |
R600_CONTEXT_INV_TEX_CACHE |
/* this is probably not needed anymore */
R600_CONTEXT_PS_PARTIAL_FLUSH;
si_emit_cache_flush(&ctx->b, NULL);
/* force to keep tiling flags */
flags |= RADEON_FLUSH_KEEP_TILING_FLAGS;
/* Flush the CS. */
ctx->b.ws->cs_flush(cs, flags, fence, ctx->screen->b.cs_count++);
ctx->b.rings.gfx.flushing = false;
#if SI_TRACE_CS
if (ctx->screen->b.trace_bo) {
struct si_screen *sscreen = ctx->screen;
unsigned i;
for (i = 0; i < 10; i++) {
usleep(5);
if (!ctx->b.ws->buffer_is_busy(sscreen->b.trace_bo->buf, RADEON_USAGE_READWRITE)) {
break;
}
}
if (i == 10) {
fprintf(stderr, "timeout on cs lockup likely happen at cs %d dw %d\n",
sscreen->b.trace_ptr[1], sscreen->b.trace_ptr[0]);
} else {
fprintf(stderr, "cs %d executed in %dms\n", sscreen->b.trace_ptr[1], i * 5);
}
}
#endif
si_begin_new_cs(ctx);
}
void si_begin_new_cs(struct si_context *ctx)
{
/* Flush read caches at the beginning of CS. */
ctx->b.flags |= R600_CONTEXT_INV_TEX_CACHE |
R600_CONTEXT_INV_CONST_CACHE |
R600_CONTEXT_INV_SHADER_CACHE;
/* set all valid group as dirty so they get reemited on
* next draw command
*/
si_pm4_reset_emitted(ctx);
/* The CS initialization should be emitted before everything else. */
si_pm4_emit(ctx, ctx->queued.named.init);
ctx->emitted.named.init = ctx->queued.named.init;
ctx->clip_regs.dirty = true;
ctx->framebuffer.atom.dirty = true;
ctx->msaa_config.dirty = true;
ctx->db_render_state.dirty = true;
ctx->b.streamout.enable_atom.dirty = true;
si_all_descriptors_begin_new_cs(ctx);
r600_postflush_resume_features(&ctx->b);
ctx->b.initial_gfx_cs_size = ctx->b.rings.gfx.cs->cdw;
si_invalidate_draw_sh_constants(ctx);
}
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