src/mesa/drivers/dri/i965/brw_wm_surface_state.c

   1 /*
   2  Copyright (C) Intel Corp.  2006.  All Rights Reserved.
   3  Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
   4  develop this 3D driver.
   5
   6  Permission is hereby granted, free of charge, to any person obtaining
   7  a copy of this software and associated documentation files (the
   8  "Software"), to deal in the Software without restriction, including
   9  without limitation the rights to use, copy, modify, merge, publish,
  10  distribute, sublicense, and/or sell copies of the Software, and to
  11  permit persons to whom the Software is furnished to do so, subject to
  12  the following conditions:
  13
  14  The above copyright notice and this permission notice (including the
  15  next paragraph) shall be included in all copies or substantial
  16  portions of the Software.
  17
  18  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  19  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  21  IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  22  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  23  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  24  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25
  26  **********************************************************************/
  27  /*
  28   * Authors:
  29   *   Keith Whitwell <keith@tungstengraphics.com>
  30   */
  31
  32
  33 #include "mtypes.h"
  34 #include "texformat.h"
  35 #include "texstore.h"
  36
  37 #include "intel_mipmap_tree.h"
  38 #include "intel_batchbuffer.h"
  39 #include "intel_tex.h"
  40
  41
  42 #include "brw_context.h"
  43 #include "brw_state.h"
  44 #include "brw_defines.h"
  45
  46
  47 static GLuint translate_tex_target( GLenum target )
  48 {
  49    switch (target) {
  50    case GL_TEXTURE_1D:
  51       return BRW_SURFACE_1D;
  52
  53    case GL_TEXTURE_RECTANGLE_NV:
  54       return BRW_SURFACE_2D;
  55
  56    case GL_TEXTURE_2D:
  57       return BRW_SURFACE_2D;
  58
  59    case GL_TEXTURE_3D:
  60       return BRW_SURFACE_3D;
  61
  62    case GL_TEXTURE_CUBE_MAP:
  63       return BRW_SURFACE_CUBE;
  64
  65    default:
  66       assert(0);
  67       return 0;
  68    }
  69 }
  70
  71
  72 static GLuint translate_tex_format( GLuint mesa_format )
  73 {
  74    switch( mesa_format ) {
  75    case MESA_FORMAT_L8:
  76       return BRW_SURFACEFORMAT_L8_UNORM;
  77
  78    case MESA_FORMAT_I8:
  79       return BRW_SURFACEFORMAT_I8_UNORM;
  80
  81    case MESA_FORMAT_A8:
  82       return BRW_SURFACEFORMAT_A8_UNORM;
  83
  84    case MESA_FORMAT_AL88:
  85       return BRW_SURFACEFORMAT_L8A8_UNORM;
  86
  87    case MESA_FORMAT_RGB888:
  88       return BRW_SURFACEFORMAT_R8G8B8_UNORM;
  89
  90    case MESA_FORMAT_ARGB8888:
  91       return BRW_SURFACEFORMAT_B8G8R8A8_UNORM;
  92
  93    case MESA_FORMAT_RGBA8888_REV:
  94       return BRW_SURFACEFORMAT_R8G8B8A8_UNORM;
  95
  96    case MESA_FORMAT_YCBCR_REV:
  97       return BRW_SURFACEFORMAT_YCRCB_NORMAL;
  98
  99    case MESA_FORMAT_YCBCR:
 100       return BRW_SURFACEFORMAT_YCRCB_SWAPUVY;
 101
 102    case MESA_FORMAT_RGB_FXT1:
 103    case MESA_FORMAT_RGBA_FXT1:
 104       return BRW_SURFACEFORMAT_FXT1;
 105
 106    case MESA_FORMAT_Z16:
 107       return BRW_SURFACEFORMAT_L16_UNORM;
 108
 109    case MESA_FORMAT_RGBA_DXT1:
 110    case MESA_FORMAT_RGB_DXT1:
 111       return BRW_SURFACEFORMAT_DXT1_RGB;
 112
 113    default:
 114       assert(0);
 115       return 0;
 116    }
 117 }
 118
 119 static
 120 void brw_update_texture_surface( GLcontext *ctx,
 121                                  GLuint unit,
 122                                  struct brw_surface_state *surf )
 123 {
 124    struct intel_context *intel = intel_context(ctx);
 125    struct brw_context *brw = brw_context(ctx);
 126    struct gl_texture_object *tObj = brw->attribs.Texture->Unit[unit]._Current;
 127    struct intel_texture_object *intelObj = intel_texture_object(tObj);
 128    struct gl_texture_image *firstImage = tObj->Image[0][intelObj->firstLevel];
 129
 130    memset(surf, 0, sizeof(*surf));
 131
 132    surf->ss0.mipmap_layout_mode = BRW_SURFACE_MIPMAPLAYOUT_BELOW;
 133    surf->ss0.surface_type = translate_tex_target(tObj->Target);
 134    surf->ss0.surface_format = translate_tex_format(firstImage->TexFormat->MesaFormat);
 135
 136    /* This is ok for all textures with channel width 8bit or less:
 137     */
 138 /*    surf->ss0.data_return_format = BRW_SURFACERETURNFORMAT_S1; */
 139
 140    surf->ss1.base_addr = bmBufferOffset(intel,
 141                                         intelObj->mt->region->buffer);
 142
 143    surf->ss2.mip_count = intelObj->lastLevel - intelObj->firstLevel;
 144    surf->ss2.width = firstImage->Width - 1;
 145    surf->ss2.height = firstImage->Height - 1;
 146
 147    surf->ss3.tile_walk = BRW_TILEWALK_XMAJOR;
 148    surf->ss3.tiled_surface = intelObj->mt->region->tiled; /* always zero */
 149    surf->ss3.pitch = (intelObj->mt->pitch * intelObj->mt->cpp) - 1;
 150    surf->ss3.depth = firstImage->Depth - 1;
 151
 152    surf->ss4.min_lod = 0;
 153
 154    if (tObj->Target == GL_TEXTURE_CUBE_MAP) {
 155       surf->ss0.cube_pos_x = 1;
 156       surf->ss0.cube_pos_y = 1;
 157       surf->ss0.cube_pos_z = 1;
 158       surf->ss0.cube_neg_x = 1;
 159       surf->ss0.cube_neg_y = 1;
 160       surf->ss0.cube_neg_z = 1;
 161    }
 162 }
 163
 164
 165
 166 #define OFFSET(TYPE, FIELD) ( (GLuint)&(((TYPE *)0)->FIELD) )
 167
 168
 169 static void upload_wm_surfaces(struct brw_context *brw )
 170 {
 171    GLcontext *ctx = &brw->intel.ctx;
 172    struct intel_context *intel = &brw->intel;
 173    struct brw_surface_binding_table bind;
 174    GLuint i;
 175
 176    memcpy(&bind, &brw->wm.bind, sizeof(bind));
 177
 178    {
 179       struct brw_surface_state surf;
 180       struct intel_region *region = brw->state.draw_region;
 181
 182       memset(&surf, 0, sizeof(surf));
 183
 184       if (region->cpp == 4)
 185          surf.ss0.surface_format = BRW_SURFACEFORMAT_B8G8R8A8_UNORM;
 186       else
 187          surf.ss0.surface_format = BRW_SURFACEFORMAT_B5G6R5_UNORM;
 188
 189       surf.ss0.surface_type = BRW_SURFACE_2D;
 190
 191       /* _NEW_COLOR */
 192       surf.ss0.color_blend = (!brw->attribs.Color->_LogicOpEnabled &&
 193                               brw->attribs.Color->BlendEnabled);
 194
 195
 196       surf.ss0.writedisable_red =   !brw->attribs.Color->ColorMask[0];
 197       surf.ss0.writedisable_green = !brw->attribs.Color->ColorMask[1];
 198       surf.ss0.writedisable_blue =  !brw->attribs.Color->ColorMask[2];
 199       surf.ss0.writedisable_alpha = !brw->attribs.Color->ColorMask[3];
 200
 201       surf.ss1.base_addr = bmBufferOffset(&brw->intel, region->buffer);
 202
 203
 204       surf.ss2.width = region->pitch - 1; /* XXX: not really! */
 205       surf.ss2.height = region->height - 1;
 206       surf.ss3.tile_walk = BRW_TILEWALK_XMAJOR;
 207       surf.ss3.tiled_surface = region->tiled;
 208       surf.ss3.pitch = (region->pitch * region->cpp) - 1;
 209
 210       brw->wm.bind.surf_ss_offset[0] = brw_cache_data( &brw->cache[BRW_SS_SURFACE], &surf );
 211       brw->wm.nr_surfaces = 1;
 212    }
 213
 214
 215    for (i = 0; i < BRW_MAX_TEX_UNIT; i++) {
 216       struct gl_texture_unit *texUnit = &brw->attribs.Texture->Unit[i];
 217
 218       /* _NEW_TEXTURE, BRW_NEW_TEXDATA
 219        */
 220       if (texUnit->_ReallyEnabled &&
 221           intel_finalize_mipmap_tree(intel,texUnit->_Current)) {
 222
 223          struct brw_surface_state surf;
 224
 225          brw_update_texture_surface(ctx, i, &surf);
 226
 227          brw->wm.bind.surf_ss_offset[i+1] = brw_cache_data( &brw->cache[BRW_SS_SURFACE], &surf );
 228          brw->wm.nr_surfaces = i+2;
 229       }
 230       else {
 231          brw->wm.bind.surf_ss_offset[i+1] = 0;
 232       }
 233    }
 234
 235    brw->wm.bind_ss_offset = brw_cache_data( &brw->cache[BRW_SS_SURF_BIND],
 236                                             &brw->wm.bind );
 237 }
 238
 239 const struct brw_tracked_state brw_wm_surfaces = {
 240    .dirty = {
 241       .mesa = _NEW_COLOR | _NEW_TEXTURE | _NEW_BUFFERS,
 242       .brw = (BRW_NEW_CONTEXT |
 243               BRW_NEW_FENCE),   /* required for bmBufferOffset */
 244       .cache = 0
 245    },
 246    .update = upload_wm_surfaces
 247 };
 248
 249
 250