src/gallium/drivers/etnaviv/etnaviv_emit.h

   1 /*
   2  * Copyright (c) 2012-2015 Etnaviv Project
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sub license,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the
  12  * next paragraph) shall be included in all copies or substantial portions
  13  * of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  21  * DEALINGS IN THE SOFTWARE.
  22  *
  23  * Authors:
  24  *    Wladimir J. van der Laan <laanwj@gmail.com>
  25  */
  26
  27 #ifndef H_ETNA_EMIT
  28 #define H_ETNA_EMIT
  29
  30 #include "etnaviv_screen.h"
  31 #include "etnaviv_util.h"
  32 #include "hw/cmdstream.xml.h"
  33
  34 struct etna_context;
  35 struct compiled_rs_state;
  36
  37 static inline void
  38 etna_emit_load_state(struct etna_cmd_stream *stream, const uint16_t offset,
  39                      const uint16_t count, const int fixp)
  40 {
  41    uint32_t v;
  42
  43    v = VIV_FE_LOAD_STATE_HEADER_OP_LOAD_STATE |
  44        COND(fixp, VIV_FE_LOAD_STATE_HEADER_FIXP) |
  45        VIV_FE_LOAD_STATE_HEADER_OFFSET(offset) |
  46        (VIV_FE_LOAD_STATE_HEADER_COUNT(count) &
  47         VIV_FE_LOAD_STATE_HEADER_COUNT__MASK);
  48
  49    etna_cmd_stream_emit(stream, v);
  50 }
  51
  52 static inline void
  53 etna_set_state(struct etna_cmd_stream *stream, uint32_t address, uint32_t value)
  54 {
  55    etna_cmd_stream_reserve(stream, 2);
  56    etna_emit_load_state(stream, address >> 2, 1, 0);
  57    etna_cmd_stream_emit(stream, value);
  58 }
  59
  60 static inline void
  61 etna_set_state_reloc(struct etna_cmd_stream *stream, uint32_t address,
  62                      struct etna_reloc *reloc)
  63 {
  64    etna_cmd_stream_reserve(stream, 2);
  65    etna_emit_load_state(stream, address >> 2, 1, 0);
  66    etna_cmd_stream_reloc(stream, reloc);
  67 }
  68
  69 static inline void
  70 etna_set_state_multi(struct etna_cmd_stream *stream, uint32_t base,
  71                      uint32_t num, const uint32_t *values)
  72 {
  73    if (num == 0)
  74       return;
  75
  76    etna_cmd_stream_reserve(stream, 1 + num + 1); /* 1 extra for potential alignment */
  77    etna_emit_load_state(stream, base >> 2, num, 0);
  78
  79    for (uint32_t i = 0; i < num; i++)
  80       etna_cmd_stream_emit(stream, values[i]);
  81
  82    /* add potential padding */
  83    if ((num % 2) == 0)
  84       etna_cmd_stream_emit(stream, 0);
  85 }
  86
  87 void
  88 etna_stall(struct etna_cmd_stream *stream, uint32_t from, uint32_t to);
  89
  90 void
  91 etna_submit_rs_state(struct etna_context *ctx, const struct compiled_rs_state *cs);
  92
  93 static inline void
  94 etna_draw_primitives(struct etna_cmd_stream *stream, uint32_t primitive_type,
  95                      uint32_t start, uint32_t count)
  96 {
  97    etna_cmd_stream_reserve(stream, 4);
  98
  99    etna_cmd_stream_emit(stream, VIV_FE_DRAW_PRIMITIVES_HEADER_OP_DRAW_PRIMITIVES);
 100    etna_cmd_stream_emit(stream, primitive_type);
 101    etna_cmd_stream_emit(stream, start);
 102    etna_cmd_stream_emit(stream, count);
 103 }
 104
 105 static inline void
 106 etna_draw_indexed_primitives(struct etna_cmd_stream *stream,
 107                              uint32_t primitive_type, uint32_t start,
 108                              uint32_t count, uint32_t offset)
 109 {
 110    etna_cmd_stream_reserve(stream, 5 + 1);
 111
 112    etna_cmd_stream_emit(stream, VIV_FE_DRAW_INDEXED_PRIMITIVES_HEADER_OP_DRAW_INDEXED_PRIMITIVES);
 113    etna_cmd_stream_emit(stream, primitive_type);
 114    etna_cmd_stream_emit(stream, start);
 115    etna_cmd_stream_emit(stream, count);
 116    etna_cmd_stream_emit(stream, offset);
 117    etna_cmd_stream_emit(stream, 0);
 118 }
 119
 120 void
 121 etna_emit_state(struct etna_context *ctx);
 122
 123 #endif