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 /* return TRUE for formats that can be converted among each other by NV50_2D */
  35 static INLINE boolean
  36 nv50_2d_format_faithful(enum pipe_format format)
  37 {
  38         switch (format) {
  39         case PIPE_FORMAT_B8G8R8A8_UNORM:
  40         case PIPE_FORMAT_B8G8R8X8_UNORM:
  41         case PIPE_FORMAT_B8G8R8A8_SRGB:
  42         case PIPE_FORMAT_B8G8R8X8_SRGB:
  43         case PIPE_FORMAT_B5G6R5_UNORM:
  44         case PIPE_FORMAT_B5G5R5A1_UNORM:
  45         case PIPE_FORMAT_B10G10R10A2_UNORM:
  46         case PIPE_FORMAT_R8_UNORM:
  47         case PIPE_FORMAT_R32G32B32A32_FLOAT:
  48         case PIPE_FORMAT_R32G32B32_FLOAT:
  49                 return TRUE;
  50         default:
  51                 return FALSE;
  52         }
  53 }
  54
  55 static INLINE int
  56 nv50_format(enum pipe_format format)
  57 {
  58         switch (format) {
  59         case PIPE_FORMAT_B8G8R8A8_UNORM:
  60                 return NV50_2D_DST_FORMAT_A8R8G8B8_UNORM;
  61         case PIPE_FORMAT_B8G8R8X8_UNORM:
  62                 return NV50_2D_DST_FORMAT_X8R8G8B8_UNORM;
  63         case PIPE_FORMAT_B8G8R8A8_SRGB:
  64                 return NV50_2D_DST_FORMAT_A8R8G8B8_SRGB;
  65         case PIPE_FORMAT_B8G8R8X8_SRGB:
  66                 return NV50_2D_DST_FORMAT_X8R8G8B8_SRGB;
  67         case PIPE_FORMAT_B5G6R5_UNORM:
  68                 return NV50_2D_DST_FORMAT_R5G6B5_UNORM;
  69         case PIPE_FORMAT_B5G5R5A1_UNORM:
  70                 return NV50_2D_DST_FORMAT_A1R5G5B5_UNORM;
  71         case PIPE_FORMAT_B10G10R10A2_UNORM:
  72                 return NV50_2D_DST_FORMAT_A2R10G10B10_UNORM;
  73         case PIPE_FORMAT_A8_UNORM:
  74         case PIPE_FORMAT_I8_UNORM:
  75         case PIPE_FORMAT_L8_UNORM:
  76         case PIPE_FORMAT_R8_UNORM:
  77                 return NV50_2D_DST_FORMAT_R8_UNORM;
  78         case PIPE_FORMAT_R32G32B32A32_FLOAT:
  79                 return NV50_2D_DST_FORMAT_R32G32B32A32_FLOAT;
  80         case PIPE_FORMAT_R32G32B32_FLOAT:
  81                 return NV50_2D_DST_FORMAT_R32G32B32X32_FLOAT;
  82         case PIPE_FORMAT_Z32_FLOAT:
  83                 return NV50_2D_DST_FORMAT_R32_FLOAT;
  84
  85         /* only because we require src format == dst format: */
  86         case PIPE_FORMAT_R16G16_SNORM:
  87         case PIPE_FORMAT_R16G16_UNORM:
  88         case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
  89         case PIPE_FORMAT_Z24_UNORM_S8_USCALED:
  90                 return NV50_2D_DST_FORMAT_A8R8G8B8_UNORM;
  91         case PIPE_FORMAT_L8A8_UNORM:
  92         case PIPE_FORMAT_B4G4R4A4_UNORM:
  93                 return NV50_2D_DST_FORMAT_R16_UNORM;
  94
  95         default:
  96                 return -1;
  97         }
  98 }
  99
 100 static int
 101 nv50_surface_set(struct nv50_screen *screen, struct pipe_surface *ps, int dst)
 102 {
 103         struct nv50_miptree *mt = nv50_miptree(ps->texture);
 104         struct nouveau_channel *chan = screen->eng2d->channel;
 105         struct nouveau_grobj *eng2d = screen->eng2d;
 106         struct nouveau_bo *bo = nv50_miptree(ps->texture)->base.bo;
 107         int format, mthd = dst ? NV50_2D_DST_FORMAT : NV50_2D_SRC_FORMAT;
 108         int flags = NOUVEAU_BO_VRAM | (dst ? NOUVEAU_BO_WR : NOUVEAU_BO_RD);
 109
 110         format = nv50_format(ps->format);
 111         if (format < 0) {
 112                 NOUVEAU_ERR("invalid/unsupported surface format: %s\n",
 113                             util_format_name(ps->format));
 114                 return 1;
 115         }
 116
 117         if (!bo->tile_flags) {
 118                 MARK_RING (chan, 9, 2); /* flush on lack of space or relocs */
 119                 BEGIN_RING(chan, eng2d, mthd, 2);
 120                 OUT_RING  (chan, format);
 121                 OUT_RING  (chan, 1);
 122                 BEGIN_RING(chan, eng2d, mthd + 0x14, 5);
 123                 OUT_RING  (chan, mt->level[ps->level].pitch);
 124                 OUT_RING  (chan, ps->width);
 125                 OUT_RING  (chan, ps->height);
 126                 OUT_RELOCh(chan, bo, ps->offset, flags);
 127                 OUT_RELOCl(chan, bo, ps->offset, flags);
 128         } else {
 129                 MARK_RING (chan, 11, 2); /* flush on lack of space or relocs */
 130                 BEGIN_RING(chan, eng2d, mthd, 5);
 131                 OUT_RING  (chan, format);
 132                 OUT_RING  (chan, 0);
 133                 OUT_RING  (chan, mt->level[ps->level].tile_mode << 4);
 134                 OUT_RING  (chan, 1);
 135                 OUT_RING  (chan, 0);
 136                 BEGIN_RING(chan, eng2d, mthd + 0x18, 4);
 137                 OUT_RING  (chan, ps->width);
 138                 OUT_RING  (chan, ps->height);
 139                 OUT_RELOCh(chan, bo, ps->offset, flags);
 140                 OUT_RELOCl(chan, bo, ps->offset, flags);
 141         }
 142
 143 #if 0
 144         if (dst) {
 145                 BEGIN_RING(chan, eng2d, NV50_2D_CLIP_X, 4);
 146                 OUT_RING  (chan, 0);
 147                 OUT_RING  (chan, 0);
 148                 OUT_RING  (chan, surf->width);
 149                 OUT_RING  (chan, surf->height);
 150         }
 151 #endif
 152
 153         return 0;
 154 }
 155
 156 int
 157 nv50_surface_do_copy(struct nv50_screen *screen, struct pipe_surface *dst,
 158                      int dx, int dy, struct pipe_surface *src, int sx, int sy,
 159                      int w, int h)
 160 {
 161         struct nouveau_channel *chan = screen->eng2d->channel;
 162         struct nouveau_grobj *eng2d = screen->eng2d;
 163         int ret;
 164
 165         WAIT_RING (chan, 32);
 166
 167         ret = nv50_surface_set(screen, dst, 1);
 168         if (ret)
 169                 return ret;
 170
 171         ret = nv50_surface_set(screen, src, 0);
 172         if (ret)
 173                 return ret;
 174
 175         BEGIN_RING(chan, eng2d, 0x088c, 1);
 176         OUT_RING  (chan, 0);
 177         BEGIN_RING(chan, eng2d, NV50_2D_BLIT_DST_X, 4);
 178         OUT_RING  (chan, dx);
 179         OUT_RING  (chan, dy);
 180         OUT_RING  (chan, w);
 181         OUT_RING  (chan, h);
 182         BEGIN_RING(chan, eng2d, 0x08c0, 4);
 183         OUT_RING  (chan, 0);
 184         OUT_RING  (chan, 1);
 185         OUT_RING  (chan, 0);
 186         OUT_RING  (chan, 1);
 187         BEGIN_RING(chan, eng2d, 0x08d0, 4);
 188         OUT_RING  (chan, 0);
 189         OUT_RING  (chan, sx);
 190         OUT_RING  (chan, 0);
 191         OUT_RING  (chan, sy);
 192
 193         return 0;
 194 }
 195
 196 static void
 197 nv50_surface_copy(struct pipe_context *pipe,
 198                   struct pipe_surface *dest, unsigned destx, unsigned desty,
 199                   struct pipe_surface *src, unsigned srcx, unsigned srcy,
 200                   unsigned width, unsigned height)
 201 {
 202         struct nv50_context *nv50 = nv50_context(pipe);
 203         struct nv50_screen *screen = nv50->screen;
 204
 205         assert((src->format == dest->format) ||
 206                (nv50_2d_format_faithful(src->format) &&
 207                 nv50_2d_format_faithful(dest->format)));
 208
 209         nv50_surface_do_copy(screen, dest, destx, desty, src, srcx,
 210                                      srcy, width, height);
 211 }
 212
 213 static void
 214 nv50_surface_fill(struct pipe_context *pipe, struct pipe_surface *dest,
 215                   unsigned destx, unsigned desty, unsigned width,
 216                   unsigned height, unsigned value)
 217 {
 218         struct nv50_context *nv50 = nv50_context(pipe);
 219         struct nv50_screen *screen = nv50->screen;
 220         struct nouveau_channel *chan = screen->eng2d->channel;
 221         struct nouveau_grobj *eng2d = screen->eng2d;
 222         int format, ret;
 223
 224         format = nv50_format(dest->format);
 225         if (format < 0)
 226                 return;
 227
 228         WAIT_RING (chan, 32);
 229
 230         ret = nv50_surface_set(screen, dest, 1);
 231         if (ret)
 232                 return;
 233
 234         BEGIN_RING(chan, eng2d, NV50_2D_DRAW_SHAPE, 3);
 235         OUT_RING  (chan, NV50_2D_DRAW_SHAPE_RECTANGLES);
 236         OUT_RING  (chan, format);
 237         OUT_RING  (chan, value);
 238         BEGIN_RING(chan, eng2d, NV50_2D_DRAW_POINT32_X(0), 4);
 239         OUT_RING  (chan, destx);
 240         OUT_RING  (chan, desty);
 241         OUT_RING  (chan, width);
 242         OUT_RING  (chan, height);
 243 }
 244
 245 void
 246 nv50_init_surface_functions(struct nv50_context *nv50)
 247 {
 248         nv50->pipe.surface_copy = nv50_surface_copy;
 249         nv50->pipe.surface_fill = nv50_surface_fill;
 250 }
 251
 252