src/gallium/drivers/freedreno/freedreno_gmem.h

   1 /*
   2  * Copyright (C) 2012 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 FREEDRENO_GMEM_H_
  28 #define FREEDRENO_GMEM_H_
  29
  30 #include "pipe/p_state.h"
  31 #include "util/list.h"
  32
  33 #include "freedreno_util.h"
  34
  35 /* per-pipe configuration for hw binning: */
  36 struct fd_vsc_pipe {
  37         uint8_t x, y, w, h;      /* VSC_PIPE[p].CONFIG */
  38 };
  39
  40 /* per-tile configuration for hw binning: */
  41 struct fd_tile {
  42         uint8_t p;               /* index into vsc_pipe[]s */
  43         uint8_t n;               /* slot within pipe */
  44         uint16_t bin_w, bin_h;
  45         uint16_t xoff, yoff;
  46 };
  47
  48 struct fd_gmem_stateobj {
  49         struct pipe_reference reference;
  50         struct fd_screen *screen;
  51         void *key;
  52
  53         uint32_t cbuf_base[MAX_RENDER_TARGETS];
  54         uint32_t zsbuf_base[2];
  55         uint8_t cbuf_cpp[MAX_RENDER_TARGETS];
  56         uint8_t zsbuf_cpp[2];
  57         uint16_t bin_h, nbins_y;
  58         uint16_t bin_w, nbins_x;
  59         uint16_t minx, miny;
  60         uint16_t width, height;
  61         uint16_t maxpw, maxph;   /* maximum pipe width/height */
  62         uint8_t num_vsc_pipes;   /* number of pipes for a20x */
  63
  64         struct fd_vsc_pipe vsc_pipe[32];
  65         struct fd_tile     tile[512];
  66
  67         struct list_head node;
  68 };
  69
  70 void __fd_gmem_destroy(struct fd_gmem_stateobj *gmem);
  71
  72 static inline void
  73 fd_gmem_reference(struct fd_gmem_stateobj **ptr, struct fd_gmem_stateobj *gmem)
  74 {
  75         struct fd_gmem_stateobj *old_gmem = *ptr;
  76
  77         if (pipe_reference(&(*ptr)->reference, &gmem->reference))
  78                 __fd_gmem_destroy(old_gmem);
  79
  80         *ptr = gmem;
  81 }
  82
  83 struct fd_gmem_cache {
  84         struct hash_table *ht;
  85         struct list_head lru;
  86 };
  87
  88 struct fd_batch;
  89
  90 void fd_gmem_render_tiles(struct fd_batch *batch);
  91 unsigned fd_gmem_estimate_bins_per_pipe(struct fd_batch *batch);
  92 bool fd_gmem_needs_restore(struct fd_batch *batch, const struct fd_tile *tile,
  93                 uint32_t buffers);
  94
  95 struct pipe_screen;
  96 void fd_gmem_screen_init(struct pipe_screen *pscreen);
  97 void fd_gmem_screen_fini(struct pipe_screen *pscreen);
  98
  99 #endif /* FREEDRENO_GMEM_H_ */