src/mesa/drivers/dri/nouveau/nv10_state_tex.c

   1 /*
   2  * Copyright (C) 2009 Francisco Jerez.
   3  * All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining
   6  * a copy of this software and associated documentation files (the
   7  * "Software"), to deal in the Software without restriction, including
   8  * without limitation the rights to use, copy, modify, merge, publish,
   9  * distribute, sublicense, and/or sell copies of the Software, and to
  10  * permit persons to whom the Software is furnished to do so, subject to
  11  * the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the
  14  * next paragraph) shall be included in all copies or substantial
  15  * portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  18  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  20  * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  21  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  22  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  23  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  *
  25  */
  26
  27 #include "nouveau_driver.h"
  28 #include "nouveau_context.h"
  29 #include "nouveau_gldefs.h"
  30 #include "nouveau_texture.h"
  31 #include "nv10_3d.xml.h"
  32 #include "nouveau_util.h"
  33 #include "nv10_driver.h"
  34 #include "main/samplerobj.h"
  35
  36 void
  37 nv10_emit_tex_gen(struct gl_context *ctx, int emit)
  38 {
  39         const int i = emit - NOUVEAU_STATE_TEX_GEN0;
  40         struct nouveau_context *nctx = to_nouveau_context(ctx);
  41         struct nouveau_pushbuf *push = context_push(ctx);
  42         struct gl_fixedfunc_texture_unit *unit =
  43            &ctx->Texture.FixedFuncUnit[i];
  44         int j;
  45
  46         for (j = 0; j < 4; j++) {
  47                 if (nctx->fallback == HWTNL && (unit->TexGenEnabled & 1 << j)) {
  48                         struct gl_texgen *coord = get_texgen_coord(unit, j);
  49                         float *k = get_texgen_coeff(coord);
  50
  51                         if (k) {
  52                                 BEGIN_NV04(push, NV10_3D(TEX_GEN_COEFF(i, j)), 4);
  53                                 PUSH_DATAp(push, k, 4);
  54                         }
  55
  56                         BEGIN_NV04(push, NV10_3D(TEX_GEN_MODE(i,j)), 1);
  57                         PUSH_DATA (push, nvgl_texgen_mode(coord->Mode));
  58
  59                 } else {
  60                         BEGIN_NV04(push, NV10_3D(TEX_GEN_MODE(i,j)), 1);
  61                         PUSH_DATA (push, 0);
  62                 }
  63         }
  64
  65         context_dirty_i(ctx, TEX_MAT, i);
  66 }
  67
  68 void
  69 nv10_emit_tex_mat(struct gl_context *ctx, int emit)
  70 {
  71         const int i = emit - NOUVEAU_STATE_TEX_MAT0;
  72         struct nouveau_context *nctx = to_nouveau_context(ctx);
  73         struct nouveau_pushbuf *push = context_push(ctx);
  74
  75         if (nctx->fallback == HWTNL &&
  76             ((ctx->Texture._TexMatEnabled & 1 << i) ||
  77              ctx->Texture.FixedFuncUnit[i]._GenFlags)) {
  78                 BEGIN_NV04(push, NV10_3D(TEX_MATRIX_ENABLE(i)), 1);
  79                 PUSH_DATA (push, 1);
  80
  81                 BEGIN_NV04(push, NV10_3D(TEX_MATRIX(i, 0)), 16);
  82                 PUSH_DATAm(push, ctx->TextureMatrixStack[i].Top->m);
  83
  84         } else {
  85                 BEGIN_NV04(push, NV10_3D(TEX_MATRIX_ENABLE(i)), 1);
  86                 PUSH_DATA (push, 0);
  87         }
  88 }
  89
  90 static uint32_t
  91 get_tex_format_pot(struct gl_texture_image *ti)
  92 {
  93         switch (ti->TexFormat) {
  94         case MESA_FORMAT_B8G8R8A8_UNORM:
  95                 return NV10_3D_TEX_FORMAT_FORMAT_A8R8G8B8;
  96
  97         case MESA_FORMAT_B8G8R8X8_UNORM:
  98                 return NV10_3D_TEX_FORMAT_FORMAT_X8R8G8B8;
  99
 100         case MESA_FORMAT_B5G5R5A1_UNORM:
 101                 return NV10_3D_TEX_FORMAT_FORMAT_A1R5G5B5;
 102
 103         case MESA_FORMAT_B4G4R4A4_UNORM:
 104                 return NV10_3D_TEX_FORMAT_FORMAT_A4R4G4B4;
 105
 106         case MESA_FORMAT_B5G6R5_UNORM:
 107                 return NV10_3D_TEX_FORMAT_FORMAT_R5G6B5;
 108
 109         case MESA_FORMAT_A_UNORM8:
 110         case MESA_FORMAT_I_UNORM8:
 111                 return NV10_3D_TEX_FORMAT_FORMAT_I8;
 112
 113         case MESA_FORMAT_L_UNORM8:
 114                 return NV10_3D_TEX_FORMAT_FORMAT_L8;
 115
 116         case MESA_FORMAT_RGB_DXT1:
 117         case MESA_FORMAT_RGBA_DXT1:
 118                 return NV10_3D_TEX_FORMAT_FORMAT_DXT1;
 119
 120         case MESA_FORMAT_RGBA_DXT3:
 121                 return NV10_3D_TEX_FORMAT_FORMAT_DXT3;
 122
 123         case MESA_FORMAT_RGBA_DXT5:
 124                 return NV10_3D_TEX_FORMAT_FORMAT_DXT5;
 125
 126         default:
 127                 assert(0);
 128         }
 129 }
 130
 131 static uint32_t
 132 get_tex_format_rect(struct gl_texture_image *ti)
 133 {
 134         switch (ti->TexFormat) {
 135         case MESA_FORMAT_B5G5R5A1_UNORM:
 136                 return NV10_3D_TEX_FORMAT_FORMAT_A1R5G5B5_RECT;
 137
 138         case MESA_FORMAT_B5G6R5_UNORM:
 139                 return NV10_3D_TEX_FORMAT_FORMAT_R5G6B5_RECT;
 140
 141         case MESA_FORMAT_B8G8R8A8_UNORM:
 142         case MESA_FORMAT_B8G8R8X8_UNORM:
 143                 return NV10_3D_TEX_FORMAT_FORMAT_A8R8G8B8_RECT;
 144
 145         case MESA_FORMAT_A_UNORM8:
 146         case MESA_FORMAT_L_UNORM8:
 147         case MESA_FORMAT_I_UNORM8:
 148                 return NV10_3D_TEX_FORMAT_FORMAT_I8_RECT;
 149
 150         default:
 151                 assert(0);
 152         }
 153 }
 154
 155 void
 156 nv10_emit_tex_obj(struct gl_context *ctx, int emit)
 157 {
 158         const int i = emit - NOUVEAU_STATE_TEX_OBJ0;
 159         struct nouveau_pushbuf *push = context_push(ctx);
 160         const int bo_flags = NOUVEAU_BO_RD | NOUVEAU_BO_GART | NOUVEAU_BO_VRAM;
 161         struct gl_texture_object *t;
 162         struct nouveau_surface *s;
 163         struct gl_texture_image *ti;
 164         const struct gl_sampler_object *sa;
 165         uint32_t tx_format, tx_filter, tx_enable;
 166
 167         PUSH_RESET(push, BUFCTX_TEX(i));
 168
 169         if (!ctx->Texture.Unit[i]._Current) {
 170                 BEGIN_NV04(push, NV10_3D(TEX_ENABLE(i)), 1);
 171                 PUSH_DATA (push, 0);
 172                 return;
 173         }
 174
 175         t = ctx->Texture.Unit[i]._Current;
 176         s = &to_nouveau_texture(t)->surfaces[t->BaseLevel];
 177         ti = t->Image[0][t->BaseLevel];
 178         sa = _mesa_get_samplerobj(ctx, i);
 179
 180         if (!nouveau_texture_validate(ctx, t))
 181                 return;
 182
 183         /* Recompute the texturing registers. */
 184         tx_format = nvgl_wrap_mode(sa->WrapT) << 28
 185                 | nvgl_wrap_mode(sa->WrapS) << 24
 186                 | ti->HeightLog2 << 20
 187                 | ti->WidthLog2 << 16
 188                 | 5 << 4 | 1 << 12;
 189
 190         tx_filter = nvgl_filter_mode(sa->MagFilter) << 28
 191                 | nvgl_filter_mode(sa->MinFilter) << 24;
 192
 193         tx_enable = NV10_3D_TEX_ENABLE_ENABLE
 194                 | log2i(sa->MaxAnisotropy) << 4;
 195
 196         if (t->Target == GL_TEXTURE_RECTANGLE) {
 197                 BEGIN_NV04(push, NV10_3D(TEX_NPOT_PITCH(i)), 1);
 198                 PUSH_DATA (push, s->pitch << 16);
 199                 BEGIN_NV04(push, NV10_3D(TEX_NPOT_SIZE(i)), 1);
 200                 PUSH_DATA (push, align(s->width, 2) << 16 | s->height);
 201
 202                 tx_format |= get_tex_format_rect(ti);
 203         } else {
 204                 tx_format |= get_tex_format_pot(ti);
 205         }
 206
 207         if (sa->MinFilter != GL_NEAREST &&
 208             sa->MinFilter != GL_LINEAR) {
 209                 int lod_min = sa->MinLod;
 210                 int lod_max = MIN2(sa->MaxLod, t->_MaxLambda);
 211                 int lod_bias = sa->LodBias
 212                         + ctx->Texture.Unit[i].LodBias;
 213
 214                 lod_max = CLAMP(lod_max, 0, 15);
 215                 lod_min = CLAMP(lod_min, 0, 15);
 216                 lod_bias = CLAMP(lod_bias, 0, 15);
 217
 218                 tx_format |= NV10_3D_TEX_FORMAT_MIPMAP;
 219                 tx_filter |= lod_bias << 8;
 220                 tx_enable |= lod_min << 26
 221                         | lod_max << 14;
 222         }
 223
 224         /* Write it to the hardware. */
 225         BEGIN_NV04(push, NV10_3D(TEX_FORMAT(i)), 1);
 226         PUSH_MTHD (push, NV10_3D(TEX_FORMAT(i)), BUFCTX_TEX(i),
 227                          s->bo, tx_format, bo_flags | NOUVEAU_BO_OR,
 228                          NV10_3D_TEX_FORMAT_DMA0,
 229                          NV10_3D_TEX_FORMAT_DMA1);
 230
 231         BEGIN_NV04(push, NV10_3D(TEX_OFFSET(i)), 1);
 232         PUSH_MTHDl(push, NV10_3D(TEX_OFFSET(i)), BUFCTX_TEX(i),
 233                          s->bo, s->offset, bo_flags);
 234
 235         BEGIN_NV04(push, NV10_3D(TEX_FILTER(i)), 1);
 236         PUSH_DATA (push, tx_filter);
 237
 238         BEGIN_NV04(push, NV10_3D(TEX_ENABLE(i)), 1);
 239         PUSH_DATA (push, tx_enable);
 240 }
 241