src/gallium/drivers/freedreno/freedreno_draw.h

   1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
   2
   3 /*
   4  * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
   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 (including the next
  14  * paragraph) shall be included in all copies or substantial portions of the
  15  * Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23  * SOFTWARE.
  24  *
  25  * Authors:
  26  *    Rob Clark <robclark@freedesktop.org>
  27  */
  28
  29 #ifndef FREEDRENO_DRAW_H_
  30 #define FREEDRENO_DRAW_H_
  31
  32 #include "pipe/p_state.h"
  33 #include "pipe/p_context.h"
  34
  35 #include "freedreno_context.h"
  36 #include "freedreno_screen.h"
  37 #include "freedreno_util.h"
  38
  39 struct fd_ringbuffer;
  40
  41 void fd_draw_emit(struct fd_context *ctx, const struct pipe_draw_info *info);
  42
  43 void fd_draw_init(struct pipe_context *pctx);
  44
  45 static inline void
  46 fd_draw(struct fd_context *ctx, enum pc_di_primtype primtype,
  47                 enum pc_di_src_sel src_sel, uint32_t count,
  48                 enum pc_di_index_size idx_type,
  49                 uint32_t idx_size, uint32_t idx_offset,
  50                 struct fd_bo *idx_bo)
  51 {
  52         struct fd_ringbuffer *ring = ctx->ring;
  53
  54         /* for debug after a lock up, write a unique counter value
  55          * to scratch7 for each draw, to make it easier to match up
  56          * register dumps to cmdstream.  The combination of IB
  57          * (scratch6) and DRAW is enough to "triangulate" the
  58          * particular draw that caused lockup.
  59          */
  60         emit_marker(ring, 7);
  61
  62         if (ctx->screen->gpu_id == 320) {
  63                 /* dummy-draw workaround: */
  64                 OUT_PKT3(ring, CP_DRAW_INDX, 3);
  65                 OUT_RING(ring, 0x00000000);
  66                 OUT_RING(ring, DRAW(1, DI_SRC_SEL_AUTO_INDEX,
  67                                 INDEX_SIZE_IGN, IGNORE_VISIBILITY));
  68                 OUT_RING(ring, 0);             /* NumIndices */
  69
  70                 /* ugg, hard-code register offset to avoid pulling in the
  71                  * a3xx register headers into something #included from a2xx
  72                  */
  73                 OUT_PKT0(ring, 0x2206, 1);     /* A3XX_HLSQ_CONST_VSPRESV_RANGE_REG */
  74                 OUT_RING(ring, 0);
  75         }
  76
  77         OUT_PKT3(ring, CP_DRAW_INDX, idx_bo ? 5 : 3);
  78         OUT_RING(ring, 0x00000000);        /* viz query info. */
  79         OUT_RING(ring, DRAW(primtype, src_sel,
  80                         idx_type, IGNORE_VISIBILITY));
  81         OUT_RING(ring, count);             /* NumIndices */
  82         if (idx_bo) {
  83                 OUT_RELOC(ring, idx_bo, idx_offset, 0, 0);
  84                 OUT_RING (ring, idx_size);
  85         }
  86
  87         emit_marker(ring, 7);
  88
  89         ctx->rmw.need_wfi = true;
  90 }
  91
  92 #endif /* FREEDRENO_DRAW_H_ */