src/gallium/drivers/freedreno/a4xx/fd4_emit.h

   1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
   2
   3 /*
   4  * Copyright (C) 2014 Rob Clark <robclark@freedesktop.org>
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the next
  14  * paragraph) shall be included in all copies or substantial portions of the
  15  * Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23  * SOFTWARE.
  24  *
  25  * Authors:
  26  *    Rob Clark <robclark@freedesktop.org>
  27  */
  28
  29 #ifndef FD4_EMIT_H
  30 #define FD4_EMIT_H
  31
  32 #include "pipe/p_context.h"
  33
  34 #include "freedreno_context.h"
  35 #include "fd4_format.h"
  36 #include "fd4_program.h"
  37 #include "ir3_shader.h"
  38
  39 struct fd_ringbuffer;
  40
  41 void fd4_emit_const(struct fd_ringbuffer *ring, enum shader_t type,
  42                 uint32_t regid, uint32_t offset, uint32_t sizedwords,
  43                 const uint32_t *dwords, struct pipe_resource *prsc);
  44
  45 void fd4_emit_gmem_restore_tex(struct fd_ringbuffer *ring,
  46                 unsigned nr_bufs, struct pipe_surface **bufs);
  47
  48 /* grouped together emit-state for prog/vertex/state emit: */
  49 struct fd4_emit {
  50         const struct fd_vertex_state *vtx;
  51         const struct fd_program_stateobj *prog;
  52         const struct pipe_draw_info *info;
  53         struct ir3_shader_key key;
  54         uint32_t dirty;
  55
  56         uint32_t sprite_coord_enable;  /* bitmask */
  57         bool sprite_coord_mode;
  58         bool rasterflat;
  59         bool no_decode_srgb;
  60
  61         /* cached to avoid repeated lookups of same variants: */
  62         const struct ir3_shader_variant *vp, *fp;
  63         /* TODO: other shader stages.. */
  64 };
  65
  66 static inline enum a4xx_color_fmt fd4_emit_format(struct pipe_surface *surf)
  67 {
  68         if (!surf)
  69                 return 0;
  70         return fd4_pipe2color(surf->format);
  71 }
  72
  73 static inline const struct ir3_shader_variant *
  74 fd4_emit_get_vp(struct fd4_emit *emit)
  75 {
  76         if (!emit->vp) {
  77                 struct fd4_shader_stateobj *so = emit->prog->vp;
  78                 emit->vp = ir3_shader_variant(so->shader, emit->key);
  79         }
  80         return emit->vp;
  81 }
  82
  83 static inline const struct ir3_shader_variant *
  84 fd4_emit_get_fp(struct fd4_emit *emit)
  85 {
  86         if (!emit->fp) {
  87                 if (emit->key.binning_pass) {
  88                         /* use dummy stateobj to simplify binning vs non-binning: */
  89                         static const struct ir3_shader_variant binning_fp = {};
  90                         emit->fp = &binning_fp;
  91                 } else {
  92                         struct fd4_shader_stateobj *so = emit->prog->fp;
  93                         emit->fp = ir3_shader_variant(so->shader, emit->key);
  94                 }
  95         }
  96         return emit->fp;
  97 }
  98
  99 void fd4_emit_vertex_bufs(struct fd_ringbuffer *ring, struct fd4_emit *emit);
 100
 101 void fd4_emit_state(struct fd_context *ctx, struct fd_ringbuffer *ring,
 102                 struct fd4_emit *emit);
 103
 104 void fd4_emit_restore(struct fd_context *ctx);
 105
 106 void fd4_emit_init(struct pipe_context *pctx);
 107
 108 #endif /* FD4_EMIT_H */