/*
 * Copyright © 2014 Rob Clark <robclark@freedesktop.org>
 * SPDX-License-Identifier: MIT
 *
 * Authors:
 *    Rob Clark <robclark@freedesktop.org>
 */

#ifndef FD4_EMIT_H
#define FD4_EMIT_H

#include "pipe/p_context.h"

#include "fd4_format.h"
#include "fd4_program.h"
#include "freedreno_context.h"
#include "ir3_gallium.h"

struct fd_ringbuffer;

void fd4_emit_gmem_restore_tex(struct fd_ringbuffer *ring, unsigned nr_bufs,
                               struct pipe_surface *bufs);

/* grouped together emit-state for prog/vertex/state emit: */
struct fd4_emit {
   struct util_debug_callback *debug;
   const struct fd_vertex_state *vtx;
   const struct fd4_program_state *prog;
   const struct pipe_draw_info *info;
	unsigned drawid_offset;
   const struct pipe_draw_indirect_info *indirect;
	const struct pipe_draw_start_count_bias *draw;
   bool binning_pass;
   struct ir3_cache_key key;
   enum fd_dirty_3d_state dirty;

   uint32_t sprite_coord_enable; /* bitmask */
   bool sprite_coord_mode;
   bool rasterflat;
   bool no_decode_srgb;
   bool skip_consts;

   /* cached to avoid repeated lookups of same variants: */
   const struct ir3_shader_variant *vs, *fs;
   /* TODO: other shader stages.. */
};

static inline enum a4xx_color_fmt
fd4_emit_format(struct pipe_surface *surf)
{
   if (!surf->texture)
      return 0;
   return fd4_pipe2color(surf->format);
}

static inline const struct ir3_shader_variant *
fd4_emit_get_vp(struct fd4_emit *emit)
{
   if (!emit->vs) {
      emit->vs = emit->binning_pass ? emit->prog->bs : emit->prog->vs;
   }
   return emit->vs;
}

static inline const struct ir3_shader_variant *
fd4_emit_get_fp(struct fd4_emit *emit)
{
   if (!emit->fs) {
      if (emit->binning_pass) {
         /* use dummy stateobj to simplify binning vs non-binning: */
         static const struct ir3_shader_variant binning_fs = {};
         emit->fs = &binning_fs;
      } else {
         emit->fs = emit->prog->fs;
      }
   }
   return emit->fs;
}

void fd4_emit_vertex_bufs(struct fd_ringbuffer *ring,
                          struct fd4_emit *emit) assert_dt;

void fd4_emit_state(struct fd_context *ctx, struct fd_ringbuffer *ring,
                    struct fd4_emit *emit) assert_dt;

void fd4_emit_cs_state(struct fd_context *ctx, struct fd_ringbuffer *ring,
                       struct ir3_shader_variant *cp) assert_dt;
void fd4_emit_cs_consts(const struct ir3_shader_variant *v,
                        struct fd_ringbuffer *ring, struct fd_context *ctx,
                        const struct pipe_grid_info *info) assert_dt;

void fd4_emit_restore(struct fd_batch *batch,
                      struct fd_ringbuffer *ring) assert_dt;

void fd4_emit_init_screen(struct pipe_screen *pscreen);
void fd4_emit_init(struct pipe_context *pctx);

static inline void
fd4_emit_ib(struct fd_ringbuffer *ring, struct fd_ringbuffer *target)
{
   __OUT_IB(ring, true, target);
}

#endif /* FD4_EMIT_H */
