src/gallium/drivers/freedreno/a5xx/fd5_draw.h

   1 /*
   2  * Copyright (C) 2016 Rob Clark <robclark@freedesktop.org>
   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, sublicense,
   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 next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * 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 NONINFRINGEMENT.  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 FROM,
  20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  21  * SOFTWARE.
  22  *
  23  * Authors:
  24  *    Rob Clark <robclark@freedesktop.org>
  25  */
  26
  27 #ifndef FD5_DRAW_H_
  28 #define FD5_DRAW_H_
  29
  30 #include "pipe/p_context.h"
  31
  32 #include "freedreno_draw.h"
  33
  34 #include "fd5_context.h"
  35
  36 /* some bits in common w/ a4xx: */
  37 #include "a4xx/fd4_draw.h"
  38
  39 void fd5_draw_init(struct pipe_context *pctx);
  40
  41 static inline void
  42 fd5_draw(struct fd_batch *batch, struct fd_ringbuffer *ring,
  43                 enum pc_di_primtype primtype,
  44                 enum pc_di_vis_cull_mode vismode,
  45                 enum pc_di_src_sel src_sel, uint32_t count,
  46                 uint32_t instances, enum a4xx_index_size idx_type,
  47                 uint32_t idx_size, uint32_t idx_offset,
  48                 struct pipe_resource *idx_buffer)
  49 {
  50         /* for debug after a lock up, write a unique counter value
  51          * to scratch7 for each draw, to make it easier to match up
  52          * register dumps to cmdstream.  The combination of IB
  53          * (scratch6) and DRAW is enough to "triangulate" the
  54          * particular draw that caused lockup.
  55          */
  56         emit_marker5(ring, 7);
  57
  58         OUT_PKT7(ring, CP_DRAW_INDX_OFFSET, idx_buffer ? 7 : 3);
  59         if (vismode == USE_VISIBILITY) {
  60                 /* leave vis mode blank for now, it will be patched up when
  61                  * we know if we are binning or not
  62                  */
  63                 OUT_RINGP(ring, DRAW4(primtype, src_sel, idx_type, 0),
  64                                 &batch->draw_patches);
  65         } else {
  66                 OUT_RING(ring, DRAW4(primtype, src_sel, idx_type, vismode));
  67         }
  68         OUT_RING(ring, instances);         /* NumInstances */
  69         OUT_RING(ring, count);             /* NumIndices */
  70         if (idx_buffer) {
  71                 OUT_RING(ring, 0x0);           /* XXX */
  72                 OUT_RELOC(ring, fd_resource(idx_buffer)->bo, idx_offset, 0, 0);
  73                 OUT_RING (ring, idx_size);
  74         }
  75
  76         emit_marker5(ring, 7);
  77
  78         fd_reset_wfi(batch);
  79 }
  80
  81 static inline void
  82 fd5_draw_emit(struct fd_batch *batch, struct fd_ringbuffer *ring,
  83                 enum pc_di_primtype primtype,
  84                 enum pc_di_vis_cull_mode vismode,
  85                 const struct pipe_draw_info *info,
  86                 unsigned index_offset)
  87 {
  88         struct pipe_resource *idx_buffer = NULL;
  89         enum a4xx_index_size idx_type;
  90         enum pc_di_src_sel src_sel;
  91         uint32_t idx_size, idx_offset;
  92
  93         if (info->indirect) {
  94                 struct fd_resource *ind = fd_resource(info->indirect->buffer);
  95
  96                 emit_marker5(ring, 7);
  97
  98                 if (info->index_size) {
  99                         struct pipe_resource *idx = info->index.resource;
 100                         unsigned max_indicies = (idx->width0 - info->indirect->offset) /
 101                                         info->index_size;
 102
 103                         OUT_PKT7(ring, CP_DRAW_INDX_INDIRECT, 6);
 104                         OUT_RINGP(ring, DRAW4(primtype, DI_SRC_SEL_DMA,
 105                                         fd4_size2indextype(info->index_size), 0),
 106                                         &batch->draw_patches);
 107                         OUT_RELOC(ring, fd_resource(idx)->bo,
 108                                         index_offset, 0, 0);
 109                         OUT_RING(ring, A5XX_CP_DRAW_INDX_INDIRECT_3_MAX_INDICES(max_indicies));
 110                         OUT_RELOC(ring, ind->bo, info->indirect->offset, 0, 0);
 111                 } else {
 112                         OUT_PKT7(ring, CP_DRAW_INDIRECT, 3);
 113                         OUT_RINGP(ring, DRAW4(primtype, DI_SRC_SEL_AUTO_INDEX, 0, 0),
 114                                         &batch->draw_patches);
 115                         OUT_RELOC(ring, ind->bo, info->indirect->offset, 0, 0);
 116                 }
 117
 118                 emit_marker5(ring, 7);
 119                 fd_reset_wfi(batch);
 120
 121                 return;
 122         }
 123
 124         if (info->index_size) {
 125                 assert(!info->has_user_indices);
 126
 127                 idx_buffer = info->index.resource;
 128                 idx_type = fd4_size2indextype(info->index_size);
 129                 idx_size = info->index_size * info->count;
 130                 idx_offset = index_offset + info->start * info->index_size;
 131                 src_sel = DI_SRC_SEL_DMA;
 132         } else {
 133                 idx_buffer = NULL;
 134                 idx_type = INDEX4_SIZE_32_BIT;
 135                 idx_size = 0;
 136                 idx_offset = 0;
 137                 src_sel = DI_SRC_SEL_AUTO_INDEX;
 138         }
 139
 140         fd5_draw(batch, ring, primtype, vismode, src_sel,
 141                         info->count, info->instance_count,
 142                         idx_type, idx_size, idx_offset, idx_buffer);
 143 }
 144
 145 #endif /* FD5_DRAW_H_ */