src/gallium/drivers/ilo/core/ilo_builder_3d.h

   1 /*
   2  * Mesa 3-D graphics library
   3  *
   4  * Copyright (C) 2014 LunarG, Inc.
   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 shall be included
  14  * in all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22  * DEALINGS IN THE SOFTWARE.
  23  *
  24  * Authors:
  25  *    Chia-I Wu <olv@lunarg.com>
  26  */
  27
  28 #ifndef ILO_BUILDER_3D_H
  29 #define ILO_BUILDER_3D_H
  30
  31 #include "genhw/genhw.h"
  32
  33 #include "ilo_core.h"
  34 #include "ilo_dev.h"
  35 #include "ilo_builder_3d_top.h"
  36 #include "ilo_builder_3d_bottom.h"
  37
  38 struct gen6_3dprimitive_info {
  39    enum gen_3dprim_type topology;
  40    bool indexed;
  41
  42    uint32_t vertex_count;
  43    uint32_t vertex_start;
  44    uint32_t instance_count;
  45    uint32_t instance_start;
  46    int32_t vertex_base;
  47 };
  48
  49 static inline void
  50 gen6_3DPRIMITIVE(struct ilo_builder *builder,
  51                  const struct gen6_3dprimitive_info *info)
  52 {
  53    const uint8_t cmd_len = 6;
  54    uint32_t *dw;
  55
  56    ILO_DEV_ASSERT(builder->dev, 6, 6);
  57
  58    ilo_builder_batch_pointer(builder, cmd_len, &dw);
  59
  60    dw[0] = GEN6_RENDER_CMD(3D, 3DPRIMITIVE) | (cmd_len - 2) |
  61            info->topology << GEN6_3DPRIM_DW0_TYPE__SHIFT;
  62    if (info->indexed)
  63       dw[0] |= GEN6_3DPRIM_DW0_ACCESS_RANDOM;
  64
  65    dw[1] = info->vertex_count;
  66    dw[2] = info->vertex_start;
  67    dw[3] = info->instance_count;
  68    dw[4] = info->instance_start;
  69    dw[5] = info->vertex_base;
  70 }
  71
  72 static inline void
  73 gen7_3DPRIMITIVE(struct ilo_builder *builder,
  74                  const struct gen6_3dprimitive_info *info)
  75 {
  76    const uint8_t cmd_len = 7;
  77    uint32_t *dw;
  78
  79    ILO_DEV_ASSERT(builder->dev, 7, 8);
  80
  81    ilo_builder_batch_pointer(builder, cmd_len, &dw);
  82
  83    dw[0] = GEN6_RENDER_CMD(3D, 3DPRIMITIVE) | (cmd_len - 2);
  84
  85    dw[1] = info->topology << GEN7_3DPRIM_DW1_TYPE__SHIFT;
  86    if (info->indexed)
  87       dw[1] |= GEN7_3DPRIM_DW1_ACCESS_RANDOM;
  88
  89    dw[2] = info->vertex_count;
  90    dw[3] = info->vertex_start;
  91    dw[4] = info->instance_count;
  92    dw[5] = info->instance_start;
  93    dw[6] = info->vertex_base;
  94 }
  95
  96 #endif /* ILO_BUILDER_3D_H */