/*
 * Copyright (C) 2014 Rob Clark <robclark@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
 * 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 IR3_GALLIUM_H_
#define IR3_GALLIUM_H_

#include "ir3/ir3_shader.h"
#include "pipe/p_screen.h"
#include "pipe/p_state.h"

#include "freedreno_util.h"

/**
 * The ir3 hwcso type, use ir3_get_shader() to dereference the
 * underlying ir3_shader
 */
struct ir3_shader_state;

struct ir3_shader_variant *
ir3_shader_variant(struct ir3_shader *shader, struct ir3_shader_key key,
                   bool binning_pass, struct util_debug_callback *debug);

void *ir3_shader_compute_state_create(struct pipe_context *pctx,
                                      const struct pipe_compute_state *cso);
void *ir3_shader_state_create(struct pipe_context *pctx,
                              const struct pipe_shader_state *cso);
void ir3_shader_state_delete(struct pipe_context *pctx, void *hwcso);

struct ir3_shader *ir3_get_shader(struct ir3_shader_state *hwcso);
struct shader_info *ir3_get_shader_info(struct ir3_shader_state *hwcso);

void ir3_fixup_shader_state(struct pipe_context *pctx,
                            struct ir3_shader_key *key) assert_dt;

void ir3_prog_init(struct pipe_context *pctx);
void ir3_screen_init(struct pipe_screen *pscreen);
void ir3_screen_fini(struct pipe_screen *pscreen);

/**
 * A helper to determine if a fs input 'i' is point/sprite coord, given
 * the specified sprite_coord_enable mask
 */
static inline bool
ir3_point_sprite(const struct ir3_shader_variant *fs, int i,
                 uint32_t sprite_coord_enable, bool *coord_mode)
{
   gl_varying_slot slot = fs->inputs[i].slot;
   switch (slot) {
   case VARYING_SLOT_PNTC:
      *coord_mode = true;
      return true;
   case VARYING_SLOT_TEX0 ... VARYING_SLOT_TEX7:
      return !!(sprite_coord_enable & BITFIELD_BIT(slot - VARYING_SLOT_TEX0));
   default:
      return false;
   }
}

void ir3_update_max_tf_vtx(struct fd_context *ctx,
                           const struct ir3_shader_variant *v) assert_dt;

#endif /* IR3_GALLIUM_H_ */