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/*
* Copyright (C) 2016 Rob Clark <robclark@freedesktop.org>
* Copyright © 2018 Google, Inc.
*
* 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
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* 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 NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS 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:
* Rob Clark <robclark@freedesktop.org>
*/
#ifndef FD6_EMIT_H
#define FD6_EMIT_H
#include "pipe/p_context.h"
#include "freedreno_context.h"
#include "fd6_context.h"
#include "fd6_format.h"
#include "fd6_program.h"
#include "ir3_shader.h"
struct fd_ringbuffer;
/* To collect all the state objects to emit in a single CP_SET_DRAW_STATE
* packet, the emit tracks a collection of however many state_group's that
* need to be emit'd.
*/
enum fd6_state_id {
FD6_GROUP_CONST,
};
struct fd6_state_group {
struct fd_ringbuffer *stateobj;
enum fd6_state_id group_id;
uint8_t enable_mask;
};
/* grouped together emit-state for prog/vertex/state emit: */
struct fd6_emit {
struct pipe_debug_callback *debug;
const struct fd_vertex_state *vtx;
const struct fd_program_stateobj *prog;
const struct pipe_draw_info *info;
struct ir3_shader_key key;
enum fd_dirty_3d_state dirty;
uint32_t sprite_coord_enable; /* bitmask */
bool sprite_coord_mode;
bool rasterflat;
bool no_decode_srgb;
/* in binning pass, we don't have real frag shader, so we
* don't know if real draw disqualifies lrz write. So just
* figure that out up-front and stash it in the emit.
*/
bool no_lrz_write;
/* cached to avoid repeated lookups of same variants: */
const struct ir3_shader_variant *vp, *fp;
/* TODO: other shader stages.. */
unsigned streamout_mask;
struct fd6_state_group groups[32];
unsigned num_groups;
};
static inline const struct ir3_shader_variant *
fd6_emit_get_vp(struct fd6_emit *emit)
{
if (!emit->vp) {
struct ir3_shader *shader = emit->prog->vp;
emit->vp = ir3_shader_variant(shader, emit->key, emit->debug);
}
return emit->vp;
}
static inline const struct ir3_shader_variant *
fd6_emit_get_fp(struct fd6_emit *emit)
{
if (!emit->fp) {
if (emit->key.binning_pass) {
/* use dummy stateobj to simplify binning vs non-binning: */
static const struct ir3_shader_variant binning_fp = {};
emit->fp = &binning_fp;
} else {
struct ir3_shader *shader = emit->prog->fp;
emit->fp = ir3_shader_variant(shader, emit->key,emit->debug);
}
}
return emit->fp;
}
static inline void
fd6_emit_add_group(struct fd6_emit *emit, struct fd_ringbuffer *stateobj,
enum fd6_state_id group_id, unsigned enable_mask)
{
debug_assert(emit->num_groups < ARRAY_SIZE(emit->groups));
if (fd_ringbuffer_size(stateobj) == 0)
return;
struct fd6_state_group *g = &emit->groups[emit->num_groups++];
g->stateobj = stateobj;
g->group_id = group_id;
g->enable_mask = enable_mask;
}
static inline void
fd6_event_write(struct fd_batch *batch, struct fd_ringbuffer *ring,
enum vgt_event_type evt, bool timestamp)
{
fd_reset_wfi(batch);
OUT_PKT7(ring, CP_EVENT_WRITE, timestamp ? 4 : 1);
OUT_RING(ring, CP_EVENT_WRITE_0_EVENT(evt));
if (timestamp) {
struct fd6_context *fd6_ctx = fd6_context(batch->ctx);
OUT_RELOCW(ring, fd6_ctx->blit_mem, 0, 0, 0); /* ADDR_LO/HI */
OUT_RING(ring, ++fd6_ctx->seqno);
}
}
static inline void
fd6_cache_flush(struct fd_batch *batch, struct fd_ringbuffer *ring)
{
fd6_event_write(batch, ring, 0x31, false);
}
static inline void
fd6_emit_blit(struct fd_batch *batch, struct fd_ringbuffer *ring)
{
emit_marker6(ring, 7);
fd6_event_write(batch, ring, BLIT, false);
emit_marker6(ring, 7);
}
static inline void
fd6_emit_lrz_flush(struct fd_ringbuffer *ring)
{
OUT_PKT7(ring, CP_EVENT_WRITE, 1);
OUT_RING(ring, LRZ_FLUSH);
}
static inline enum a6xx_state_block
fd6_stage2shadersb(enum shader_t type)
{
switch (type) {
case SHADER_VERTEX:
return SB6_VS_SHADER;
case SHADER_FRAGMENT:
return SB6_FS_SHADER;
case SHADER_COMPUTE:
return SB6_CS_SHADER;
default:
unreachable("bad shader type");
return ~0;
}
}
void fd6_emit_vertex_bufs(struct fd_ringbuffer *ring, struct fd6_emit *emit);
void fd6_emit_state(struct fd_context *ctx, struct fd_ringbuffer *ring,
struct fd6_emit *emit);
void fd6_emit_cs_state(struct fd_context *ctx, struct fd_ringbuffer *ring,
struct ir3_shader_variant *cp);
void fd6_emit_restore(struct fd_batch *batch, struct fd_ringbuffer *ring);
void fd6_emit_init(struct pipe_context *pctx);
#define WRITE(reg, val) do { \
OUT_PKT4(ring, reg, 1); \
OUT_RING(ring, val); \
} while (0)
#endif /* FD6_EMIT_H */
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