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 "pipe/p_defines.h"
  28 #include "util/u_inlines.h"
  29
  30 #include "util/u_tile.h"
  31 #include "util/u_format.h"
  32
  33 static INLINE int
  34 nv50_format(enum pipe_format format)
  35 {
  36         switch (format) {
  37         case PIPE_FORMAT_B8G8R8A8_UNORM:
  38                 return NV50_2D_DST_FORMAT_A8R8G8B8_UNORM;
  39         case PIPE_FORMAT_B8G8R8X8_UNORM:
  40                 return NV50_2D_DST_FORMAT_X8R8G8B8_UNORM;
  41         case PIPE_FORMAT_B8G8R8A8_SRGB:
  42                 return NV50_2D_DST_FORMAT_A8R8G8B8_SRGB;
  43         case PIPE_FORMAT_B8G8R8X8_SRGB:
  44                 return NV50_2D_DST_FORMAT_X8R8G8B8_SRGB;
  45         case PIPE_FORMAT_B5G6R5_UNORM:
  46                 return NV50_2D_DST_FORMAT_R5G6B5_UNORM;
  47         case PIPE_FORMAT_B5G5R5A1_UNORM:
  48                 return NV50_2D_DST_FORMAT_A1R5G5B5_UNORM;
  49         case PIPE_FORMAT_A8_UNORM:
  50         case PIPE_FORMAT_I8_UNORM:
  51         case PIPE_FORMAT_L8_UNORM:
  52                 return NV50_2D_DST_FORMAT_R8_UNORM;
  53         case PIPE_FORMAT_R32G32B32A32_FLOAT:
  54                 return NV50_2D_DST_FORMAT_R32G32B32A32_FLOAT;
  55         case PIPE_FORMAT_R32G32B32_FLOAT:
  56                 return NV50_2D_DST_FORMAT_R32G32B32X32_FLOAT;
  57         case PIPE_FORMAT_Z32_FLOAT:
  58                 return NV50_2D_DST_FORMAT_R32_FLOAT;
  59
  60         /* only because we require src format == dst format: */
  61         case PIPE_FORMAT_R16G16_SNORM:
  62         case PIPE_FORMAT_R16G16_UNORM:
  63         case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
  64         case PIPE_FORMAT_Z24_UNORM_S8_USCALED:
  65                 return NV50_2D_DST_FORMAT_A8R8G8B8_UNORM;
  66         case PIPE_FORMAT_L8A8_UNORM:
  67         case PIPE_FORMAT_B4G4R4A4_UNORM:
  68                 return NV50_2D_DST_FORMAT_R16_UNORM;
  69
  70         default:
  71                 return -1;
  72         }
  73 }
  74
  75 static int
  76 nv50_surface_set(struct nv50_screen *screen, struct pipe_surface *ps, int dst)
  77 {
  78         struct nv50_miptree *mt = nv50_miptree(ps->texture);
  79         struct nouveau_channel *chan = screen->eng2d->channel;
  80         struct nouveau_grobj *eng2d = screen->eng2d;
  81         struct nouveau_bo *bo = nv50_miptree(ps->texture)->base.bo;
  82         int format, mthd = dst ? NV50_2D_DST_FORMAT : NV50_2D_SRC_FORMAT;
  83         int flags = NOUVEAU_BO_VRAM | (dst ? NOUVEAU_BO_WR : NOUVEAU_BO_RD);
  84
  85         format = nv50_format(ps->format);
  86         if (format < 0) {
  87                 NOUVEAU_ERR("invalid/unsupported surface format: %s\n",
  88                             util_format_name(ps->format));
  89                 return 1;
  90         }
  91
  92         if (!bo->tile_flags) {
  93                 MARK_RING (chan, 9, 2); /* flush on lack of space or relocs */
  94                 BEGIN_RING(chan, eng2d, mthd, 2);
  95                 OUT_RING  (chan, format);
  96                 OUT_RING  (chan, 1);
  97                 BEGIN_RING(chan, eng2d, mthd + 0x14, 5);
  98                 OUT_RING  (chan, mt->level[ps->level].pitch);
  99                 OUT_RING  (chan, ps->width);
 100                 OUT_RING  (chan, ps->height);
 101                 OUT_RELOCh(chan, bo, ps->offset, flags);
 102                 OUT_RELOCl(chan, bo, ps->offset, flags);
 103         } else {
 104                 MARK_RING (chan, 11, 2); /* flush on lack of space or relocs */
 105                 BEGIN_RING(chan, eng2d, mthd, 5);
 106                 OUT_RING  (chan, format);
 107                 OUT_RING  (chan, 0);
 108                 OUT_RING  (chan, mt->level[ps->level].tile_mode << 4);
 109                 OUT_RING  (chan, 1);
 110                 OUT_RING  (chan, 0);
 111                 BEGIN_RING(chan, eng2d, mthd + 0x18, 4);
 112                 OUT_RING  (chan, ps->width);
 113                 OUT_RING  (chan, ps->height);
 114                 OUT_RELOCh(chan, bo, ps->offset, flags);
 115                 OUT_RELOCl(chan, bo, ps->offset, flags);
 116         }
 117
 118 #if 0
 119         if (dst) {
 120                 BEGIN_RING(chan, eng2d, NV50_2D_CLIP_X, 4);
 121                 OUT_RING  (chan, 0);
 122                 OUT_RING  (chan, 0);
 123                 OUT_RING  (chan, surf->width);
 124                 OUT_RING  (chan, surf->height);
 125         }
 126 #endif
 127
 128         return 0;
 129 }
 130
 131 int
 132 nv50_surface_do_copy(struct nv50_screen *screen, struct pipe_surface *dst,
 133                      int dx, int dy, struct pipe_surface *src, int sx, int sy,
 134                      int w, int h)
 135 {
 136         struct nouveau_channel *chan = screen->eng2d->channel;
 137         struct nouveau_grobj *eng2d = screen->eng2d;
 138         int ret;
 139
 140         WAIT_RING (chan, 32);
 141
 142         ret = nv50_surface_set(screen, dst, 1);
 143         if (ret)
 144                 return ret;
 145
 146         ret = nv50_surface_set(screen, src, 0);
 147         if (ret)
 148                 return ret;
 149
 150         BEGIN_RING(chan, eng2d, 0x088c, 1);
 151         OUT_RING  (chan, 0);
 152         BEGIN_RING(chan, eng2d, NV50_2D_BLIT_DST_X, 4);
 153         OUT_RING  (chan, dx);
 154         OUT_RING  (chan, dy);
 155         OUT_RING  (chan, w);
 156         OUT_RING  (chan, h);
 157         BEGIN_RING(chan, eng2d, 0x08c0, 4);
 158         OUT_RING  (chan, 0);
 159         OUT_RING  (chan, 1);
 160         OUT_RING  (chan, 0);
 161         OUT_RING  (chan, 1);
 162         BEGIN_RING(chan, eng2d, 0x08d0, 4);
 163         OUT_RING  (chan, 0);
 164         OUT_RING  (chan, sx);
 165         OUT_RING  (chan, 0);
 166         OUT_RING  (chan, sy);
 167
 168         return 0;
 169 }
 170
 171 static void
 172 nv50_surface_copy(struct pipe_context *pipe,
 173                   struct pipe_surface *dest, unsigned destx, unsigned desty,
 174                   struct pipe_surface *src, unsigned srcx, unsigned srcy,
 175                   unsigned width, unsigned height)
 176 {
 177         struct nv50_context *nv50 = nv50_context(pipe);
 178         struct nv50_screen *screen = nv50->screen;
 179
 180         assert(src->format == dest->format);
 181
 182         nv50_surface_do_copy(screen, dest, destx, desty, src, srcx,
 183                                      srcy, width, height);
 184 }
 185
 186 static void
 187 nv50_surface_fill(struct pipe_context *pipe, struct pipe_surface *dest,
 188                   unsigned destx, unsigned desty, unsigned width,
 189                   unsigned height, unsigned value)
 190 {
 191         struct nv50_context *nv50 = nv50_context(pipe);
 192         struct nv50_screen *screen = nv50->screen;
 193         struct nouveau_channel *chan = screen->eng2d->channel;
 194         struct nouveau_grobj *eng2d = screen->eng2d;
 195         int format, ret;
 196
 197         format = nv50_format(dest->format);
 198         if (format < 0)
 199                 return;
 200
 201         WAIT_RING (chan, 32);
 202
 203         ret = nv50_surface_set(screen, dest, 1);
 204         if (ret)
 205                 return;
 206
 207         BEGIN_RING(chan, eng2d, NV50_2D_DRAW_SHAPE, 3);
 208         OUT_RING  (chan, NV50_2D_DRAW_SHAPE_RECTANGLES);
 209         OUT_RING  (chan, format);
 210         OUT_RING  (chan, value);
 211         BEGIN_RING(chan, eng2d, NV50_2D_DRAW_POINT32_X(0), 4);
 212         OUT_RING  (chan, destx);
 213         OUT_RING  (chan, desty);
 214         OUT_RING  (chan, width);
 215         OUT_RING  (chan, height);
 216 }
 217
 218 void
 219 nv50_init_surface_functions(struct nv50_context *nv50)
 220 {
 221         nv50->pipe.surface_copy = nv50_surface_copy;
 222         nv50->pipe.surface_fill = nv50_surface_fill;
 223 }
 224
 225