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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;
for (i = 0; i < SI_NUM_ATOMS(ctx); i++) {
if (ctx->atoms.array[i]->dirty) {
num_dw += ctx->atoms.array[i]->num_dw;
}
}
if (count_draw_in) {
/* The number of dwords all the dirty states would take. */
num_dw += ctx->pm4_dirty_cdwords;
/* 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.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) {
si_flush(&ctx->b.b, NULL, RADEON_FLUSH_ASYNC);
}
}
void si_context_flush(struct si_context *ctx, unsigned flags)
{
struct radeon_winsys_cs *cs = ctx->b.rings.gfx.cs;
if (cs->cdw == ctx->b.initial_gfx_cs_size)
return;
/* suspend queries */
ctx->b.nontimer_queries_suspended = false;
if (ctx->b.num_cs_dw_nontimer_queries_suspend) {
r600_suspend_nontimer_queries(&ctx->b);
ctx->b.nontimer_queries_suspended = true;
}
ctx->b.streamout.suspended = false;
if (ctx->b.streamout.begin_emitted) {
r600_emit_streamout_end(&ctx->b);
ctx->b.streamout.suspended = true;
}
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;
#if SI_TRACE_CS
if (ctx->screen->b.trace_bo) {
struct si_screen *sscreen = ctx->screen;
unsigned i;
for (i = 0; i < cs->cdw; i++) {
fprintf(stderr, "[%4d] [%5d] 0x%08x\n", sscreen->b.cs_count, i, cs->buf[i]);
}
sscreen->b.cs_count++;
}
#endif
/* Flush the CS. */
ctx->b.ws->cs_flush(ctx->b.rings.gfx.cs, flags, 0);
#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->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)
{
ctx->pm4_dirty_cdwords = 0;
/* 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;
if (ctx->b.streamout.suspended) {
ctx->b.streamout.append_bitmask = ctx->b.streamout.enabled_mask;
r600_streamout_buffers_dirty(&ctx->b);
}
/* resume queries */
if (ctx->b.nontimer_queries_suspended) {
r600_resume_nontimer_queries(&ctx->b);
}
si_all_descriptors_begin_new_cs(ctx);
ctx->b.initial_gfx_cs_size = ctx->b.rings.gfx.cs->cdw;
}
#if SI_TRACE_CS
void si_trace_emit(struct si_context *sctx)
{
struct si_screen *sscreen = sctx->screen;
struct radeon_winsys_cs *cs = sctx->cs;
uint64_t va;
va = r600_resource_va(&sscreen->screen, (void*)sscreen->b.trace_bo);
r600_context_bo_reloc(sctx, sscreen->b.trace_bo, RADEON_USAGE_READWRITE);
cs->buf[cs->cdw++] = PKT3(PKT3_WRITE_DATA, 4, 0);
cs->buf[cs->cdw++] = PKT3_WRITE_DATA_DST_SEL(PKT3_WRITE_DATA_DST_SEL_MEM_SYNC) |
PKT3_WRITE_DATA_WR_CONFIRM |
PKT3_WRITE_DATA_ENGINE_SEL(PKT3_WRITE_DATA_ENGINE_SEL_ME);
cs->buf[cs->cdw++] = va & 0xFFFFFFFFUL;
cs->buf[cs->cdw++] = (va >> 32UL) & 0xFFFFFFFFUL;
cs->buf[cs->cdw++] = cs->cdw;
cs->buf[cs->cdw++] = sscreen->b.cs_count;
}
#endif
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