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