src/gallium/drivers/freedreno/a6xx/fd6_draw.h

   1 /*
   2  * Copyright (C) 2016 Rob Clark <robclark@freedesktop.org>
   3  * Copyright © 2018 Google, Inc.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the next
  13  * paragraph) shall be included in all copies or substantial portions of the
  14  * 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 FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  22  * SOFTWARE.
  23  *
  24  * Authors:
  25  *    Rob Clark <robclark@freedesktop.org>
  26  */
  27
  28 #ifndef FD6_DRAW_H_
  29 #define FD6_DRAW_H_
  30
  31 #include "pipe/p_context.h"
  32
  33 #include "freedreno_draw.h"
  34
  35 #include "fd6_context.h"
  36
  37 /* some bits in common w/ a4xx: */
  38 #include "a4xx/fd4_draw.h"
  39
  40 void fd6_draw_init(struct pipe_context *pctx);
  41
  42 static inline void
  43 fd6_draw(struct fd_batch *batch, struct fd_ringbuffer *ring,
  44                 enum pc_di_primtype primtype,
  45                 enum pc_di_vis_cull_mode vismode,
  46                 enum pc_di_src_sel src_sel, uint32_t count,
  47                 uint32_t instances, enum a4xx_index_size idx_type,
  48                 uint32_t idx_size, uint32_t idx_offset,
  49                 struct pipe_resource *idx_buffer)
  50 {
  51         /* for debug after a lock up, write a unique counter value
  52          * to scratch7 for each draw, to make it easier to match up
  53          * register dumps to cmdstream.  The combination of IB
  54          * (scratch6) and DRAW is enough to "triangulate" the
  55          * particular draw that caused lockup.
  56          */
  57         emit_marker6(ring, 7);
  58
  59         OUT_PKT7(ring, CP_DRAW_INDX_OFFSET, idx_buffer ? 7 : 3);
  60         if (vismode == USE_VISIBILITY) {
  61                 /* leave vis mode blank for now, it will be patched up when
  62                  * we know if we are binning or not
  63                  */
  64                 OUT_RINGP(ring, DRAW4(primtype, src_sel, idx_type, 0) | 0x2000,
  65                                 &batch->draw_patches);
  66         } else {
  67                 OUT_RING(ring, DRAW4(primtype, src_sel, idx_type, vismode) | 0x2000);
  68         }
  69         OUT_RING(ring, instances);         /* NumInstances */
  70         OUT_RING(ring, count);             /* NumIndices */
  71         if (idx_buffer) {
  72                 OUT_RING(ring, 0x0);           /* XXX */
  73                 OUT_RELOC(ring, fd_resource(idx_buffer)->bo, idx_offset, 0, 0);
  74                 OUT_RING (ring, idx_size);
  75         }
  76
  77         emit_marker6(ring, 7);
  78
  79         fd_reset_wfi(batch);
  80 }
  81
  82 static inline void
  83 fd6_draw_emit(struct fd_batch *batch, struct fd_ringbuffer *ring,
  84                 enum pc_di_primtype primtype,
  85                 enum pc_di_vis_cull_mode vismode,
  86                 const struct pipe_draw_info *info,
  87                 unsigned index_offset)
  88 {
  89         struct pipe_resource *idx_buffer = NULL;
  90         enum a4xx_index_size idx_type;
  91         enum pc_di_src_sel src_sel;
  92         uint32_t idx_size, idx_offset;
  93
  94         if (info->indirect) {
  95                 struct fd_resource *ind = fd_resource(info->indirect->buffer);
  96
  97                 emit_marker6(ring, 7);
  98
  99                 if (info->index_size) {
 100                         struct pipe_resource *idx = info->index.resource;
 101                         unsigned max_indicies = (idx->width0 - info->indirect->offset) /
 102                                         info->index_size;
 103
 104                         OUT_PKT7(ring, CP_DRAW_INDX_INDIRECT, 6);
 105                         OUT_RINGP(ring, DRAW4(primtype, DI_SRC_SEL_DMA,
 106                                         fd4_size2indextype(info->index_size), 0),
 107                                         &batch->draw_patches);
 108                         OUT_RELOC(ring, fd_resource(idx)->bo,
 109                                         index_offset, 0, 0);
 110                         // XXX: Check A5xx vs A6xx
 111                         OUT_RING(ring, A5XX_CP_DRAW_INDX_INDIRECT_3_MAX_INDICES(max_indicies));
 112                         OUT_RELOC(ring, ind->bo, info->indirect->offset, 0, 0);
 113                 } else {
 114                         OUT_PKT7(ring, CP_DRAW_INDIRECT, 3);
 115                         OUT_RINGP(ring, DRAW4(primtype, DI_SRC_SEL_AUTO_INDEX, 0, 0),
 116                                         &batch->draw_patches);
 117                         OUT_RELOC(ring, ind->bo, info->indirect->offset, 0, 0);
 118                 }
 119
 120                 emit_marker6(ring, 7);
 121                 fd_reset_wfi(batch);
 122
 123                 return;
 124         }
 125
 126         if (info->index_size) {
 127                 assert(!info->has_user_indices);
 128
 129                 idx_buffer = info->index.resource;
 130                 idx_type = fd4_size2indextype(info->index_size);
 131                 idx_size = info->index_size * info->count;
 132                 idx_offset = index_offset + info->start * info->index_size;
 133                 src_sel = DI_SRC_SEL_DMA;
 134         } else {
 135                 idx_buffer = NULL;
 136                 idx_type = INDEX4_SIZE_32_BIT;
 137                 idx_size = 0;
 138                 idx_offset = 0;
 139                 src_sel = DI_SRC_SEL_AUTO_INDEX;
 140         }
 141
 142         fd6_draw(batch, ring, primtype, vismode, src_sel,
 143                         info->count, info->instance_count,
 144                         idx_type, idx_size, idx_offset, idx_buffer);
 145 }
 146
 147 #endif /* FD6_DRAW_H_ */