src/gallium/drivers/ilo/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_common.h"
  34 #include "ilo_builder_3d_top.h"
  35 #include "ilo_builder_3d_bottom.h"
  36
  37 static inline void
  38 gen6_3DPRIMITIVE(struct ilo_builder *builder,
  39                  const struct pipe_draw_info *info,
  40                  const struct ilo_ib_state *ib)
  41 {
  42    const uint8_t cmd_len = 6;
  43    const int prim = gen6_3d_translate_pipe_prim(info->mode);
  44    const int vb_access = (info->indexed) ?
  45       GEN6_3DPRIM_DW0_ACCESS_RANDOM : GEN6_3DPRIM_DW0_ACCESS_SEQUENTIAL;
  46    const uint32_t vb_start = info->start +
  47       ((info->indexed) ? ib->draw_start_offset : 0);
  48    uint32_t *dw;
  49
  50    ILO_DEV_ASSERT(builder->dev, 6, 6);
  51
  52    ilo_builder_batch_pointer(builder, cmd_len, &dw);
  53
  54    dw[0] = GEN6_RENDER_CMD(3D, 3DPRIMITIVE) |
  55            vb_access |
  56            prim << GEN6_3DPRIM_DW0_TYPE__SHIFT |
  57            (cmd_len - 2);
  58    dw[1] = info->count;
  59    dw[2] = vb_start;
  60    dw[3] = info->instance_count;
  61    dw[4] = info->start_instance;
  62    dw[5] = info->index_bias;
  63 }
  64
  65 static inline void
  66 gen7_3DPRIMITIVE(struct ilo_builder *builder,
  67                  const struct pipe_draw_info *info,
  68                  const struct ilo_ib_state *ib)
  69 {
  70    const uint8_t cmd_len = 7;
  71    const int prim = gen6_3d_translate_pipe_prim(info->mode);
  72    const int vb_access = (info->indexed) ?
  73       GEN7_3DPRIM_DW1_ACCESS_RANDOM : GEN7_3DPRIM_DW1_ACCESS_SEQUENTIAL;
  74    const uint32_t vb_start = info->start +
  75       ((info->indexed) ? ib->draw_start_offset : 0);
  76    uint32_t *dw;
  77
  78    ILO_DEV_ASSERT(builder->dev, 7, 8);
  79
  80    ilo_builder_batch_pointer(builder, cmd_len, &dw);
  81
  82    dw[0] = GEN6_RENDER_CMD(3D, 3DPRIMITIVE) | (cmd_len - 2);
  83    dw[1] = vb_access | prim;
  84    dw[2] = info->count;
  85    dw[3] = vb_start;
  86    dw[4] = info->instance_count;
  87    dw[5] = info->start_instance;
  88    dw[6] = info->index_bias;
  89 }
  90
  91 #endif /* ILO_BUILDER_3D_H */