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 "pipe/internal/p_winsys_screen.h"
  29 #include "pipe/p_inlines.h"
  30
  31 #include "util/u_tile.h"
  32
  33 static INLINE int
  34 nv50_format(enum pipe_format format)
  35 {
  36         switch (format) {
  37         case PIPE_FORMAT_A8R8G8B8_UNORM:
  38                 return NV50_2D_DST_FORMAT_A8R8G8B8_UNORM;
  39         case PIPE_FORMAT_X8R8G8B8_UNORM:
  40                 return NV50_2D_DST_FORMAT_X8R8G8B8_UNORM;
  41         case PIPE_FORMAT_R5G6B5_UNORM:
  42                 return NV50_2D_DST_FORMAT_R5G6B5_UNORM;
  43         case PIPE_FORMAT_A8_UNORM:
  44                 return NV50_2D_DST_FORMAT_R8_UNORM;
  45         default:
  46                 return -1;
  47         }
  48 }
  49
  50 static int
  51 nv50_surface_set(struct nv50_screen *screen, struct pipe_surface *ps, int dst)
  52 {
  53         struct nv50_miptree *mt = nv50_miptree(ps->texture);
  54         struct nouveau_channel *chan = screen->eng2d->channel;
  55         struct nouveau_grobj *eng2d = screen->eng2d;
  56         struct nouveau_bo *bo = nv50_miptree(ps->texture)->base.bo;
  57         int format, mthd = dst ? NV50_2D_DST_FORMAT : NV50_2D_SRC_FORMAT;
  58         int flags = NOUVEAU_BO_VRAM | (dst ? NOUVEAU_BO_WR : NOUVEAU_BO_RD);
  59
  60         format = nv50_format(ps->format);
  61         if (format < 0)
  62                 return 1;
  63
  64         if (!bo->tile_flags) {
  65                 MARK_RING (chan, 9, 2); /* flush on lack of space or relocs */
  66                 BEGIN_RING(chan, eng2d, mthd, 2);
  67                 OUT_RING  (chan, format);
  68                 OUT_RING  (chan, 1);
  69                 BEGIN_RING(chan, eng2d, mthd + 0x14, 5);
  70                 OUT_RING  (chan, mt->level[ps->level].pitch);
  71                 OUT_RING  (chan, ps->width);
  72                 OUT_RING  (chan, ps->height);
  73                 OUT_RELOCh(chan, bo, ps->offset, flags);
  74                 OUT_RELOCl(chan, bo, ps->offset, flags);
  75         } else {
  76                 MARK_RING (chan, 11, 2); /* flush on lack of space or relocs */
  77                 BEGIN_RING(chan, eng2d, mthd, 5);
  78                 OUT_RING  (chan, format);
  79                 OUT_RING  (chan, 0);
  80                 OUT_RING  (chan, mt->level[ps->level].tile_mode << 4);
  81                 OUT_RING  (chan, 1);
  82                 OUT_RING  (chan, 0);
  83                 BEGIN_RING(chan, eng2d, mthd + 0x18, 4);
  84                 OUT_RING  (chan, ps->width);
  85                 OUT_RING  (chan, ps->height);
  86                 OUT_RELOCh(chan, bo, ps->offset, flags);
  87                 OUT_RELOCl(chan, bo, ps->offset, flags);
  88         }
  89
  90 #if 0
  91         if (dst) {
  92                 BEGIN_RING(chan, eng2d, NV50_2D_CLIP_X, 4);
  93                 OUT_RING  (chan, 0);
  94                 OUT_RING  (chan, 0);
  95                 OUT_RING  (chan, surf->width);
  96                 OUT_RING  (chan, surf->height);
  97         }
  98 #endif
  99
 100         return 0;
 101 }
 102
 103 int
 104 nv50_surface_do_copy(struct nv50_screen *screen, struct pipe_surface *dst,
 105                      int dx, int dy, struct pipe_surface *src, int sx, int sy,
 106                      int w, int h)
 107 {
 108         struct nouveau_channel *chan = screen->eng2d->channel;
 109         struct nouveau_grobj *eng2d = screen->eng2d;
 110         int ret;
 111
 112         WAIT_RING (chan, 32);
 113
 114         ret = nv50_surface_set(screen, dst, 1);
 115         if (ret)
 116                 return ret;
 117
 118         ret = nv50_surface_set(screen, src, 0);
 119         if (ret)
 120                 return ret;
 121
 122         BEGIN_RING(chan, eng2d, 0x088c, 1);
 123         OUT_RING  (chan, 0);
 124         BEGIN_RING(chan, eng2d, NV50_2D_BLIT_DST_X, 4);
 125         OUT_RING  (chan, dx);
 126         OUT_RING  (chan, dy);
 127         OUT_RING  (chan, w);
 128         OUT_RING  (chan, h);
 129         BEGIN_RING(chan, eng2d, 0x08c0, 4);
 130         OUT_RING  (chan, 0);
 131         OUT_RING  (chan, 1);
 132         OUT_RING  (chan, 0);
 133         OUT_RING  (chan, 1);
 134         BEGIN_RING(chan, eng2d, 0x08d0, 4);
 135         OUT_RING  (chan, 0);
 136         OUT_RING  (chan, sx);
 137         OUT_RING  (chan, 0);
 138         OUT_RING  (chan, sy);
 139
 140         return 0;
 141 }
 142
 143 static void
 144 nv50_surface_copy(struct pipe_context *pipe,
 145                   struct pipe_surface *dest, unsigned destx, unsigned desty,
 146                   struct pipe_surface *src, unsigned srcx, unsigned srcy,
 147                   unsigned width, unsigned height)
 148 {
 149         struct nv50_context *nv50 = nv50_context(pipe);
 150         struct nv50_screen *screen = nv50->screen;
 151
 152         assert(src->format == dest->format);
 153
 154         nv50_surface_do_copy(screen, dest, destx, desty, src, srcx,
 155                                      srcy, width, height);
 156 }
 157
 158 static void
 159 nv50_surface_fill(struct pipe_context *pipe, struct pipe_surface *dest,
 160                   unsigned destx, unsigned desty, unsigned width,
 161                   unsigned height, unsigned value)
 162 {
 163         struct nv50_context *nv50 = nv50_context(pipe);
 164         struct nv50_screen *screen = nv50->screen;
 165         struct nouveau_channel *chan = screen->eng2d->channel;
 166         struct nouveau_grobj *eng2d = screen->eng2d;
 167         int format, ret;
 168
 169         format = nv50_format(dest->format);
 170         if (format < 0)
 171                 return;
 172
 173         WAIT_RING (chan, 32);
 174
 175         ret = nv50_surface_set(screen, dest, 1);
 176         if (ret)
 177                 return;
 178
 179         BEGIN_RING(chan, eng2d, NV50_2D_DRAW_SHAPE, 3);
 180         OUT_RING  (chan, NV50_2D_DRAW_SHAPE_RECTANGLES);
 181         OUT_RING  (chan, format);
 182         OUT_RING  (chan, value);
 183         BEGIN_RING(chan, eng2d, NV50_2D_DRAW_POINT32_X(0), 4);
 184         OUT_RING  (chan, destx);
 185         OUT_RING  (chan, desty);
 186         OUT_RING  (chan, width);
 187         OUT_RING  (chan, height);
 188 }
 189
 190 void
 191 nv50_init_surface_functions(struct nv50_context *nv50)
 192 {
 193         nv50->pipe.surface_copy = nv50_surface_copy;
 194         nv50->pipe.surface_fill = nv50_surface_fill;
 195 }
 196
 197