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path: root/src/gallium/drivers/radeonsi/r600_state_common.c
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/*
 * Copyright 2010 Red Hat Inc.
 *           2010 Jerome Glisse
 *
 * 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: Dave Airlie <airlied@redhat.com>
 *          Jerome Glisse <jglisse@redhat.com>
 */
#include "util/u_blitter.h"
#include "util/u_memory.h"
#include "util/u_format.h"
#include "pipebuffer/pb_buffer.h"
#include "pipe/p_shader_tokens.h"
#include "tgsi/tgsi_parse.h"
#include "r600_hw_context_priv.h"
#include "radeonsi_pipe.h"
#include "sid.h"
#include "si_state.h"

static void r600_emit_surface_sync(struct r600_context *rctx, struct r600_atom *atom)
{
	struct radeon_winsys_cs *cs = rctx->cs;
	struct r600_atom_surface_sync *a = (struct r600_atom_surface_sync*)atom;

	cs->buf[cs->cdw++] = PKT3(PKT3_SURFACE_SYNC, 3, 0);
	cs->buf[cs->cdw++] = a->flush_flags;  /* CP_COHER_CNTL */
	cs->buf[cs->cdw++] = 0xffffffff;      /* CP_COHER_SIZE */
	cs->buf[cs->cdw++] = 0;               /* CP_COHER_BASE */
	cs->buf[cs->cdw++] = 0x0000000A;      /* POLL_INTERVAL */

	a->flush_flags = 0;
}

static void r600_emit_r6xx_flush_and_inv(struct r600_context *rctx, struct r600_atom *atom)
{
	struct radeon_winsys_cs *cs = rctx->cs;
	cs->buf[cs->cdw++] = PKT3(PKT3_EVENT_WRITE, 0, 0);
	cs->buf[cs->cdw++] = EVENT_TYPE(EVENT_TYPE_CACHE_FLUSH_AND_INV_EVENT) | EVENT_INDEX(0);
}

static void r600_init_atom(struct r600_atom *atom,
			   void (*emit)(struct r600_context *ctx, struct r600_atom *state),
			   unsigned num_dw,
			   enum r600_atom_flags flags)
{
	atom->emit = emit;
	atom->num_dw = num_dw;
	atom->flags = flags;
}

void r600_init_common_atoms(struct r600_context *rctx)
{
	r600_init_atom(&rctx->atom_surface_sync.atom,	r600_emit_surface_sync,		5, EMIT_EARLY);
	r600_init_atom(&rctx->atom_r6xx_flush_and_inv,	r600_emit_r6xx_flush_and_inv,	2, EMIT_EARLY);
}

unsigned r600_get_cb_flush_flags(struct r600_context *rctx)
{
	unsigned flags = 0;

	if (rctx->framebuffer.nr_cbufs) {
		flags |= S_0085F0_CB_ACTION_ENA(1) |
			 (((1 << rctx->framebuffer.nr_cbufs) - 1) << S_0085F0_CB0_DEST_BASE_ENA_SHIFT);
	}

	return flags;
}

void _r600_pipe_state_add_reg(struct r600_context *ctx,
			      struct r600_pipe_state *state,
			      uint32_t offset, uint32_t value,
			      uint32_t range_id, uint32_t block_id,
			      struct r600_resource *bo,
			      enum radeon_bo_usage usage)
{
	struct r600_range *range;
	struct r600_block *block;

	if (bo) assert(usage);

	range = &ctx->range[range_id];
	block = range->blocks[block_id];
	state->regs[state->nregs].block = block;
	state->regs[state->nregs].id = (offset - block->start_offset) >> 2;

	state->regs[state->nregs].value = value;
	state->regs[state->nregs].bo = bo;
	state->regs[state->nregs].bo_usage = usage;

	state->nregs++;
	assert(state->nregs < R600_BLOCK_MAX_REG);
}

void r600_pipe_state_add_reg_noblock(struct r600_pipe_state *state,
				     uint32_t offset, uint32_t value,
				     struct r600_resource *bo,
				     enum radeon_bo_usage usage)
{
	if (bo) assert(usage);

	state->regs[state->nregs].id = offset;
	state->regs[state->nregs].block = NULL;
	state->regs[state->nregs].value = value;
	state->regs[state->nregs].bo = bo;
	state->regs[state->nregs].bo_usage = usage;

	state->nregs++;
	assert(state->nregs < R600_BLOCK_MAX_REG);
}