src/gallium/drivers/nv50/nv50_surface.c

   1 /*
   2  * Copyright 2008 Ben Skeggs
   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 shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  18  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
  19  * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  20  * SOFTWARE.
  21  */
  22
  23 #define __NOUVEAU_PUSH_H__
  24 #include <stdint.h>
  25 #include "nouveau/nouveau_pushbuf.h"
  26 #include "nv50_context.h"
  27 #include "nv50_resource.h"
  28 #include "pipe/p_defines.h"
  29 #include "util/u_inlines.h"
  30
  31 #include "util/u_tile.h"
  32 #include "util/u_format.h"
  33
  34 static INLINE int
  35 nv50_format(enum pipe_format format)
  36 {
  37         switch (format) {
  38         case PIPE_FORMAT_B8G8R8A8_UNORM:
  39                 return NV50_2D_DST_FORMAT_A8R8G8B8_UNORM;
  40         case PIPE_FORMAT_B8G8R8X8_UNORM:
  41                 return NV50_2D_DST_FORMAT_X8R8G8B8_UNORM;
  42         case PIPE_FORMAT_B8G8R8A8_SRGB:
  43                 return NV50_2D_DST_FORMAT_A8R8G8B8_SRGB;
  44         case PIPE_FORMAT_B8G8R8X8_SRGB:
  45                 return NV50_2D_DST_FORMAT_X8R8G8B8_SRGB;
  46         case PIPE_FORMAT_B5G6R5_UNORM:
  47                 return NV50_2D_DST_FORMAT_R5G6B5_UNORM;
  48         case PIPE_FORMAT_B5G5R5A1_UNORM:
  49                 return NV50_2D_DST_FORMAT_A1R5G5B5_UNORM;
  50         case PIPE_FORMAT_A8_UNORM:
  51         case PIPE_FORMAT_I8_UNORM:
  52         case PIPE_FORMAT_L8_UNORM:
  53                 return NV50_2D_DST_FORMAT_R8_UNORM;
  54         case PIPE_FORMAT_R32G32B32A32_FLOAT:
  55                 return NV50_2D_DST_FORMAT_R32G32B32A32_FLOAT;
  56         case PIPE_FORMAT_R32G32B32_FLOAT:
  57                 return NV50_2D_DST_FORMAT_R32G32B32X32_FLOAT;
  58         case PIPE_FORMAT_Z32_FLOAT:
  59                 return NV50_2D_DST_FORMAT_R32_FLOAT;
  60
  61         /* only because we require src format == dst format: */
  62         case PIPE_FORMAT_R16G16_SNORM:
  63         case PIPE_FORMAT_R16G16_UNORM:
  64         case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
  65         case PIPE_FORMAT_Z24_UNORM_S8_USCALED:
  66                 return NV50_2D_DST_FORMAT_A8R8G8B8_UNORM;
  67         case PIPE_FORMAT_L8A8_UNORM:
  68         case PIPE_FORMAT_B4G4R4A4_UNORM:
  69                 return NV50_2D_DST_FORMAT_R16_UNORM;
  70
  71         default:
  72                 return -1;
  73         }
  74 }
  75
  76 static int
  77 nv50_surface_set(struct nv50_screen *screen, struct pipe_surface *ps, int dst)
  78 {
  79         struct nv50_miptree *mt = nv50_miptree(ps->texture);
  80         struct nouveau_channel *chan = screen->eng2d->channel;
  81         struct nouveau_grobj *eng2d = screen->eng2d;
  82         struct nouveau_bo *bo = nv50_miptree(ps->texture)->base.bo;
  83         int format, mthd = dst ? NV50_2D_DST_FORMAT : NV50_2D_SRC_FORMAT;
  84         int flags = NOUVEAU_BO_VRAM | (dst ? NOUVEAU_BO_WR : NOUVEAU_BO_RD);
  85
  86         format = nv50_format(ps->format);
  87         if (format < 0) {
  88                 NOUVEAU_ERR("invalid/unsupported surface format: %s\n",
  89                             util_format_name(ps->format));
  90                 return 1;
  91         }
  92
  93         if (!bo->tile_flags) {
  94                 MARK_RING (chan, 9, 2); /* flush on lack of space or relocs */
  95                 BEGIN_RING(chan, eng2d, mthd, 2);
  96                 OUT_RING  (chan, format);
  97                 OUT_RING  (chan, 1);
  98                 BEGIN_RING(chan, eng2d, mthd + 0x14, 5);
  99                 OUT_RING  (chan, mt->level[ps->level].pitch);
 100                 OUT_RING  (chan, ps->width);
 101                 OUT_RING  (chan, ps->height);
 102                 OUT_RELOCh(chan, bo, ps->offset, flags);
 103                 OUT_RELOCl(chan, bo, ps->offset, flags);
 104         } else {
 105                 MARK_RING (chan, 11, 2); /* flush on lack of space or relocs */
 106                 BEGIN_RING(chan, eng2d, mthd, 5);
 107                 OUT_RING  (chan, format);
 108                 OUT_RING  (chan, 0);
 109                 OUT_RING  (chan, mt->level[ps->level].tile_mode << 4);
 110                 OUT_RING  (chan, 1);
 111                 OUT_RING  (chan, 0);
 112                 BEGIN_RING(chan, eng2d, mthd + 0x18, 4);
 113                 OUT_RING  (chan, ps->width);
 114                 OUT_RING  (chan, ps->height);
 115                 OUT_RELOCh(chan, bo, ps->offset, flags);
 116                 OUT_RELOCl(chan, bo, ps->offset, flags);
 117         }
 118
 119 #if 0
 120         if (dst) {
 121                 BEGIN_RING(chan, eng2d, NV50_2D_CLIP_X, 4);
 122                 OUT_RING  (chan, 0);
 123                 OUT_RING  (chan, 0);
 124                 OUT_RING  (chan, surf->width);
 125                 OUT_RING  (chan, surf->height);
 126         }
 127 #endif
 128
 129         return 0;
 130 }
 131
 132 int
 133 nv50_surface_do_copy(struct nv50_screen *screen, struct pipe_surface *dst,
 134                      int dx, int dy, struct pipe_surface *src, int sx, int sy,
 135                      int w, int h)
 136 {
 137         struct nouveau_channel *chan = screen->eng2d->channel;
 138         struct nouveau_grobj *eng2d = screen->eng2d;
 139         int ret;
 140
 141         WAIT_RING (chan, 32);
 142
 143         ret = nv50_surface_set(screen, dst, 1);
 144         if (ret)
 145                 return ret;
 146
 147         ret = nv50_surface_set(screen, src, 0);
 148         if (ret)
 149                 return ret;
 150
 151         BEGIN_RING(chan, eng2d, 0x088c, 1);
 152         OUT_RING  (chan, 0);
 153         BEGIN_RING(chan, eng2d, NV50_2D_BLIT_DST_X, 4);
 154         OUT_RING  (chan, dx);
 155         OUT_RING  (chan, dy);
 156         OUT_RING  (chan, w);
 157         OUT_RING  (chan, h);
 158         BEGIN_RING(chan, eng2d, 0x08c0, 4);
 159         OUT_RING  (chan, 0);
 160         OUT_RING  (chan, 1);
 161         OUT_RING  (chan, 0);
 162         OUT_RING  (chan, 1);
 163         BEGIN_RING(chan, eng2d, 0x08d0, 4);
 164         OUT_RING  (chan, 0);
 165         OUT_RING  (chan, sx);
 166         OUT_RING  (chan, 0);
 167         OUT_RING  (chan, sy);
 168
 169         return 0;
 170 }
 171
 172 static void
 173 nv50_surface_copy(struct pipe_context *pipe,
 174                   struct pipe_surface *dest, unsigned destx, unsigned desty,
 175                   struct pipe_surface *src, unsigned srcx, unsigned srcy,
 176                   unsigned width, unsigned height)
 177 {
 178         struct nv50_context *nv50 = nv50_context(pipe);
 179         struct nv50_screen *screen = nv50->screen;
 180
 181         assert(src->format == dest->format);
 182
 183         nv50_surface_do_copy(screen, dest, destx, desty, src, srcx,
 184                                      srcy, width, height);
 185 }
 186
 187 static void
 188 nv50_surface_fill(struct pipe_context *pipe, struct pipe_surface *dest,
 189                   unsigned destx, unsigned desty, unsigned width,
 190                   unsigned height, unsigned value)
 191 {
 192         struct nv50_context *nv50 = nv50_context(pipe);
 193         struct nv50_screen *screen = nv50->screen;
 194         struct nouveau_channel *chan = screen->eng2d->channel;
 195         struct nouveau_grobj *eng2d = screen->eng2d;
 196         int format, ret;
 197
 198         format = nv50_format(dest->format);
 199         if (format < 0)
 200                 return;
 201
 202         WAIT_RING (chan, 32);
 203
 204         ret = nv50_surface_set(screen, dest, 1);
 205         if (ret)
 206                 return;
 207
 208         BEGIN_RING(chan, eng2d, NV50_2D_DRAW_SHAPE, 3);
 209         OUT_RING  (chan, NV50_2D_DRAW_SHAPE_RECTANGLES);
 210         OUT_RING  (chan, format);
 211         OUT_RING  (chan, value);
 212         BEGIN_RING(chan, eng2d, NV50_2D_DRAW_POINT32_X(0), 4);
 213         OUT_RING  (chan, destx);
 214         OUT_RING  (chan, desty);
 215         OUT_RING  (chan, width);
 216         OUT_RING  (chan, height);
 217 }
 218
 219 void
 220 nv50_init_surface_functions(struct nv50_context *nv50)
 221 {
 222         nv50->pipe.surface_copy = nv50_surface_copy;
 223         nv50->pipe.surface_fill = nv50_surface_fill;
 224 }
 225
 226