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 #include "util/u_pack_color.h"
  31
  32 #include "util/u_tile.h"
  33 #include "util/u_format.h"
  34
  35 /* return TRUE for formats that can be converted among each other by NV50_2D */
  36 static INLINE boolean
  37 nv50_2d_format_faithful(enum pipe_format format)
  38 {
  39         switch (format) {
  40         case PIPE_FORMAT_B8G8R8A8_UNORM:
  41         case PIPE_FORMAT_B8G8R8X8_UNORM:
  42         case PIPE_FORMAT_B8G8R8A8_SRGB:
  43         case PIPE_FORMAT_B8G8R8X8_SRGB:
  44         case PIPE_FORMAT_B5G6R5_UNORM:
  45         case PIPE_FORMAT_B5G5R5A1_UNORM:
  46         case PIPE_FORMAT_B10G10R10A2_UNORM:
  47         case PIPE_FORMAT_R8_UNORM:
  48         case PIPE_FORMAT_R32G32B32A32_FLOAT:
  49         case PIPE_FORMAT_R32G32B32_FLOAT:
  50                 return TRUE;
  51         default:
  52                 return FALSE;
  53         }
  54 }
  55
  56 static INLINE int
  57 nv50_format(enum pipe_format format)
  58 {
  59         switch (format) {
  60         case PIPE_FORMAT_B8G8R8A8_UNORM:
  61                 return NV50_2D_DST_FORMAT_A8R8G8B8_UNORM;
  62         case PIPE_FORMAT_B8G8R8X8_UNORM:
  63                 return NV50_2D_DST_FORMAT_X8R8G8B8_UNORM;
  64         case PIPE_FORMAT_B8G8R8A8_SRGB:
  65                 return NV50_2D_DST_FORMAT_A8R8G8B8_SRGB;
  66         case PIPE_FORMAT_B8G8R8X8_SRGB:
  67                 return NV50_2D_DST_FORMAT_X8R8G8B8_SRGB;
  68         case PIPE_FORMAT_B5G6R5_UNORM:
  69                 return NV50_2D_DST_FORMAT_R5G6B5_UNORM;
  70         case PIPE_FORMAT_B5G5R5A1_UNORM:
  71                 return NV50_2D_DST_FORMAT_A1R5G5B5_UNORM;
  72         case PIPE_FORMAT_B10G10R10A2_UNORM:
  73                 return NV50_2D_DST_FORMAT_A2R10G10B10_UNORM;
  74         case PIPE_FORMAT_A8_UNORM:
  75         case PIPE_FORMAT_I8_UNORM:
  76         case PIPE_FORMAT_L8_UNORM:
  77         case PIPE_FORMAT_R8_UNORM:
  78                 return NV50_2D_DST_FORMAT_R8_UNORM;
  79         case PIPE_FORMAT_R32G32B32A32_FLOAT:
  80                 return NV50_2D_DST_FORMAT_R32G32B32A32_FLOAT;
  81         case PIPE_FORMAT_R32G32B32_FLOAT:
  82                 return NV50_2D_DST_FORMAT_R32G32B32X32_FLOAT;
  83         case PIPE_FORMAT_Z32_FLOAT:
  84                 return NV50_2D_DST_FORMAT_R32_FLOAT;
  85
  86         /* only because we require src format == dst format: */
  87         case PIPE_FORMAT_R16G16_SNORM:
  88         case PIPE_FORMAT_R16G16_UNORM:
  89         case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
  90         case PIPE_FORMAT_Z24_UNORM_S8_USCALED:
  91                 return NV50_2D_DST_FORMAT_A8R8G8B8_UNORM;
  92         case PIPE_FORMAT_L8A8_UNORM:
  93         case PIPE_FORMAT_B4G4R4A4_UNORM:
  94                 return NV50_2D_DST_FORMAT_R16_UNORM;
  95
  96         default:
  97                 return -1;
  98         }
  99 }
 100
 101 static int
 102 nv50_surface_set(struct nv50_screen *screen, struct pipe_surface *ps, int dst)
 103 {
 104         struct nv50_miptree *mt = nv50_miptree(ps->texture);
 105         struct nouveau_channel *chan = screen->eng2d->channel;
 106         struct nouveau_grobj *eng2d = screen->eng2d;
 107         struct nouveau_bo *bo = nv50_miptree(ps->texture)->base.bo;
 108         int format, mthd = dst ? NV50_2D_DST_FORMAT : NV50_2D_SRC_FORMAT;
 109         int flags = NOUVEAU_BO_VRAM | (dst ? NOUVEAU_BO_WR : NOUVEAU_BO_RD);
 110
 111         format = nv50_format(ps->format);
 112         if (format < 0) {
 113                 NOUVEAU_ERR("invalid/unsupported surface format: %s\n",
 114                             util_format_name(ps->format));
 115                 return 1;
 116         }
 117
 118         if (!bo->tile_flags) {
 119                 MARK_RING (chan, 9, 2); /* flush on lack of space or relocs */
 120                 BEGIN_RING(chan, eng2d, mthd, 2);
 121                 OUT_RING  (chan, format);
 122                 OUT_RING  (chan, 1);
 123                 BEGIN_RING(chan, eng2d, mthd + 0x14, 5);
 124                 OUT_RING  (chan, mt->level[ps->level].pitch);
 125                 OUT_RING  (chan, ps->width);
 126                 OUT_RING  (chan, ps->height);
 127                 OUT_RELOCh(chan, bo, ps->offset, flags);
 128                 OUT_RELOCl(chan, bo, ps->offset, flags);
 129         } else {
 130                 MARK_RING (chan, 11, 2); /* flush on lack of space or relocs */
 131                 BEGIN_RING(chan, eng2d, mthd, 5);
 132                 OUT_RING  (chan, format);
 133                 OUT_RING  (chan, 0);
 134                 OUT_RING  (chan, mt->level[ps->level].tile_mode << 4);
 135                 OUT_RING  (chan, 1);
 136                 OUT_RING  (chan, 0);
 137                 BEGIN_RING(chan, eng2d, mthd + 0x18, 4);
 138                 OUT_RING  (chan, ps->width);
 139                 OUT_RING  (chan, ps->height);
 140                 OUT_RELOCh(chan, bo, ps->offset, flags);
 141                 OUT_RELOCl(chan, bo, ps->offset, flags);
 142         }
 143
 144 #if 0
 145         if (dst) {
 146                 BEGIN_RING(chan, eng2d, NV50_2D_CLIP_X, 4);
 147                 OUT_RING  (chan, 0);
 148                 OUT_RING  (chan, 0);
 149                 OUT_RING  (chan, surf->width);
 150                 OUT_RING  (chan, surf->height);
 151         }
 152 #endif
 153
 154         return 0;
 155 }
 156
 157 int
 158 nv50_surface_do_copy(struct nv50_screen *screen, struct pipe_surface *dst,
 159                      int dx, int dy, struct pipe_surface *src, int sx, int sy,
 160                      int w, int h)
 161 {
 162         struct nouveau_channel *chan = screen->eng2d->channel;
 163         struct nouveau_grobj *eng2d = screen->eng2d;
 164         int ret;
 165
 166         WAIT_RING (chan, 32);
 167
 168         ret = nv50_surface_set(screen, dst, 1);
 169         if (ret)
 170                 return ret;
 171
 172         ret = nv50_surface_set(screen, src, 0);
 173         if (ret)
 174                 return ret;
 175
 176         BEGIN_RING(chan, eng2d, 0x088c, 1);
 177         OUT_RING  (chan, 0);
 178         BEGIN_RING(chan, eng2d, NV50_2D_BLIT_DST_X, 4);
 179         OUT_RING  (chan, dx);
 180         OUT_RING  (chan, dy);
 181         OUT_RING  (chan, w);
 182         OUT_RING  (chan, h);
 183         BEGIN_RING(chan, eng2d, 0x08c0, 4);
 184         OUT_RING  (chan, 0);
 185         OUT_RING  (chan, 1);
 186         OUT_RING  (chan, 0);
 187         OUT_RING  (chan, 1);
 188         BEGIN_RING(chan, eng2d, 0x08d0, 4);
 189         OUT_RING  (chan, 0);
 190         OUT_RING  (chan, sx);
 191         OUT_RING  (chan, 0);
 192         OUT_RING  (chan, sy);
 193
 194         return 0;
 195 }
 196
 197 static void
 198 nv50_surface_copy(struct pipe_context *pipe,
 199                   struct pipe_resource *dest, struct pipe_subresource subdst,
 200                   unsigned destx, unsigned desty, unsigned destz,
 201                   struct pipe_resource *src, struct pipe_subresource subsrc,
 202                   unsigned srcx, unsigned srcy, unsigned srcz,
 203                   unsigned width, unsigned height)
 204 {
 205         struct nv50_context *nv50 = nv50_context(pipe);
 206         struct nv50_screen *screen = nv50->screen;
 207         struct pipe_surface *ps_dst, *ps_src;
 208
 209         assert((src->format == dest->format) ||
 210                (nv50_2d_format_faithful(src->format) &&
 211                 nv50_2d_format_faithful(dest->format)));
 212
 213         ps_src = nv50_miptree_surface_new(pipe->screen, dest, subsrc.face,
 214                                           subsrc.level, srcz, 0 /* bind flags */);
 215         ps_dst = nv50_miptree_surface_new(pipe->screen, dest, subdst.face,
 216                                           subdst.level, destz, 0 /* bindflags */);
 217
 218         nv50_surface_do_copy(screen, ps_dst, destx, desty, ps_src, srcx,
 219                              srcy, width, height);
 220
 221         nv50_miptree_surface_del(ps_src);
 222         nv50_miptree_surface_del(ps_dst);
 223 }
 224
 225 /* XXX this should probably look more along the lines of nv50_clear */
 226 static void
 227 nv50_clearRT(struct pipe_context *pipe,
 228              struct pipe_surface *dst,
 229              const float *rgba,
 230              unsigned dstx, unsigned dsty,
 231              unsigned width, unsigned height)
 232 {
 233         struct nv50_context *nv50 = nv50_context(pipe);
 234         struct nv50_screen *screen = nv50->screen;
 235         struct nouveau_channel *chan = screen->eng2d->channel;
 236         struct nouveau_grobj *eng2d = screen->eng2d;
 237         int format, ret;
 238         union util_color uc;
 239         util_pack_color(rgba, dst->format, &uc);
 240
 241         format = nv50_format(dst->format);
 242         if (format < 0)
 243                 return;
 244
 245         WAIT_RING (chan, 32);
 246
 247         ret = nv50_surface_set(screen, dst, 1);
 248         if (ret)
 249                 return;
 250
 251         BEGIN_RING(chan, eng2d, NV50_2D_DRAW_SHAPE, 3);
 252         OUT_RING  (chan, NV50_2D_DRAW_SHAPE_RECTANGLES);
 253         OUT_RING  (chan, format);
 254         OUT_RING  (chan, uc.ui);
 255         BEGIN_RING(chan, eng2d, NV50_2D_DRAW_POINT32_X(0), 4);
 256         OUT_RING  (chan, dstx);
 257         OUT_RING  (chan, dsty);
 258         OUT_RING  (chan, width);
 259         OUT_RING  (chan, height);
 260
 261 }
 262
 263 void
 264 nv50_init_surface_functions(struct nv50_context *nv50)
 265 {
 266         nv50->pipe.resource_copy_region = nv50_surface_copy;
 267         nv50->pipe.clearRT = nv50_clearRT;
 268 }
 269
 270