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
  35 void
  36 nv10_emit_tex_gen(struct gl_context *ctx, int emit)
  37 {
  38         const int i = emit - NOUVEAU_STATE_TEX_GEN0;
  39         struct nouveau_context *nctx = to_nouveau_context(ctx);
  40         struct nouveau_channel *chan = context_chan(ctx);
  41         struct nouveau_grobj *celsius = context_eng3d(ctx);
  42         struct gl_texture_unit *unit = &ctx->Texture.Unit[i];
  43         int j;
  44
  45         for (j = 0; j < 4; j++) {
  46                 if (nctx->fallback == HWTNL && (unit->TexGenEnabled & 1 << j)) {
  47                         struct gl_texgen *coord = get_texgen_coord(unit, j);
  48                         float *k = get_texgen_coeff(coord);
  49
  50                         if (k) {
  51                                 BEGIN_RING(chan, celsius,
  52                                            NV10_3D_TEX_GEN_COEFF(i, j), 4);
  53                                 OUT_RINGp(chan, k, 4);
  54                         }
  55
  56                         BEGIN_RING(chan, celsius, NV10_3D_TEX_GEN_MODE(i,j), 1);
  57                         OUT_RING(chan, nvgl_texgen_mode(coord->Mode));
  58
  59                 } else {
  60                         BEGIN_RING(chan, celsius, NV10_3D_TEX_GEN_MODE(i,j), 1);
  61                         OUT_RING(chan, 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_channel *chan = context_chan(ctx);
  74         struct nouveau_grobj *celsius = context_eng3d(ctx);
  75
  76         if (nctx->fallback == HWTNL &&
  77             ((ctx->Texture._TexMatEnabled & 1 << i) ||
  78              ctx->Texture.Unit[i]._GenFlags)) {
  79                 BEGIN_RING(chan, celsius, NV10_3D_TEX_MATRIX_ENABLE(i), 1);
  80                 OUT_RING(chan, 1);
  81
  82                 BEGIN_RING(chan, celsius, NV10_3D_TEX_MATRIX(i, 0), 16);
  83                 OUT_RINGm(chan, ctx->TextureMatrixStack[i].Top->m);
  84
  85         } else {
  86                 BEGIN_RING(chan, celsius, NV10_3D_TEX_MATRIX_ENABLE(i), 1);
  87                 OUT_RING(chan, 0);
  88         }
  89 }
  90
  91 static uint32_t
  92 get_tex_format_pot(struct gl_texture_image *ti)
  93 {
  94         switch (ti->TexFormat) {
  95         case MESA_FORMAT_ARGB8888:
  96                 return NV10_3D_TEX_FORMAT_FORMAT_A8R8G8B8;
  97
  98         case MESA_FORMAT_XRGB8888:
  99                 return NV10_3D_TEX_FORMAT_FORMAT_X8R8G8B8;
 100
 101         case MESA_FORMAT_ARGB1555:
 102                 return NV10_3D_TEX_FORMAT_FORMAT_A1R5G5B5;
 103
 104         case MESA_FORMAT_ARGB4444:
 105                 return NV10_3D_TEX_FORMAT_FORMAT_A4R4G4B4;
 106
 107         case MESA_FORMAT_RGB565:
 108                 return NV10_3D_TEX_FORMAT_FORMAT_R5G6B5;
 109
 110         case MESA_FORMAT_A8:
 111         case MESA_FORMAT_I8:
 112                 return NV10_3D_TEX_FORMAT_FORMAT_I8;
 113
 114         case MESA_FORMAT_L8:
 115                 return NV10_3D_TEX_FORMAT_FORMAT_L8;
 116
 117         case MESA_FORMAT_CI8:
 118                 return NV10_3D_TEX_FORMAT_FORMAT_INDEX8;
 119
 120         default:
 121                 assert(0);
 122         }
 123 }
 124
 125 static uint32_t
 126 get_tex_format_rect(struct gl_texture_image *ti)
 127 {
 128         switch (ti->TexFormat) {
 129         case MESA_FORMAT_ARGB1555:
 130                 return NV10_3D_TEX_FORMAT_FORMAT_A1R5G5B5_RECT;
 131
 132         case MESA_FORMAT_RGB565:
 133                 return NV10_3D_TEX_FORMAT_FORMAT_R5G6B5_RECT;
 134
 135         case MESA_FORMAT_ARGB8888:
 136         case MESA_FORMAT_XRGB8888:
 137                 return NV10_3D_TEX_FORMAT_FORMAT_A8R8G8B8_RECT;
 138
 139         case MESA_FORMAT_A8:
 140         case MESA_FORMAT_L8:
 141         case MESA_FORMAT_I8:
 142                 return NV10_3D_TEX_FORMAT_FORMAT_I8_RECT;
 143
 144         default:
 145                 assert(0);
 146         }
 147 }
 148
 149 void
 150 nv10_emit_tex_obj(struct gl_context *ctx, int emit)
 151 {
 152         const int i = emit - NOUVEAU_STATE_TEX_OBJ0;
 153         struct nouveau_channel *chan = context_chan(ctx);
 154         struct nouveau_grobj *celsius = context_eng3d(ctx);
 155         struct nouveau_bo_context *bctx = context_bctx_i(ctx, TEXTURE, i);
 156         const int bo_flags = NOUVEAU_BO_RD | NOUVEAU_BO_GART | NOUVEAU_BO_VRAM;
 157         struct gl_texture_object *t;
 158         struct nouveau_surface *s;
 159         struct gl_texture_image *ti;
 160         uint32_t tx_format, tx_filter, tx_enable;
 161
 162         if (!ctx->Texture.Unit[i]._ReallyEnabled) {
 163                 BEGIN_RING(chan, celsius, NV10_3D_TEX_ENABLE(i), 1);
 164                 OUT_RING(chan, 0);
 165                 return;
 166         }
 167
 168         t = ctx->Texture.Unit[i]._Current;
 169         s = &to_nouveau_texture(t)->surfaces[t->BaseLevel];
 170         ti = t->Image[0][t->BaseLevel];
 171
 172         if (!nouveau_texture_validate(ctx, t))
 173                 return;
 174
 175         /* Recompute the texturing registers. */
 176         tx_format = nvgl_wrap_mode(t->WrapT) << 28
 177                 | nvgl_wrap_mode(t->WrapS) << 24
 178                 | ti->HeightLog2 << 20
 179                 | ti->WidthLog2 << 16
 180                 | 5 << 4 | 1 << 12;
 181
 182         tx_filter = nvgl_filter_mode(t->MagFilter) << 28
 183                 | nvgl_filter_mode(t->MinFilter) << 24;
 184
 185         tx_enable = NV10_3D_TEX_ENABLE_ENABLE
 186                 | log2i(t->MaxAnisotropy) << 4;
 187
 188         if (t->Target == GL_TEXTURE_RECTANGLE) {
 189                 BEGIN_RING(chan, celsius, NV10_3D_TEX_NPOT_PITCH(i), 1);
 190                 OUT_RING(chan, s->pitch << 16);
 191                 BEGIN_RING(chan, celsius, NV10_3D_TEX_NPOT_SIZE(i), 1);
 192                 OUT_RING(chan, align(s->width, 2) << 16 | s->height);
 193
 194                 tx_format |= get_tex_format_rect(ti);
 195         } else {
 196                 tx_format |= get_tex_format_pot(ti);
 197         }
 198
 199         if (t->MinFilter != GL_NEAREST &&
 200             t->MinFilter != GL_LINEAR) {
 201                 int lod_min = t->MinLod;
 202                 int lod_max = MIN2(t->MaxLod, t->_MaxLambda);
 203                 int lod_bias = t->LodBias
 204                         + ctx->Texture.Unit[i].LodBias;
 205
 206                 lod_max = CLAMP(lod_max, 0, 15);
 207                 lod_min = CLAMP(lod_min, 0, 15);
 208                 lod_bias = CLAMP(lod_bias, 0, 15);
 209
 210                 tx_format |= NV10_3D_TEX_FORMAT_MIPMAP;
 211                 tx_filter |= lod_bias << 8;
 212                 tx_enable |= lod_min << 26
 213                         | lod_max << 14;
 214         }
 215
 216         /* Write it to the hardware. */
 217         nouveau_bo_mark(bctx, celsius, NV10_3D_TEX_FORMAT(i),
 218                         s->bo, tx_format, 0,
 219                         NV10_3D_TEX_FORMAT_DMA0,
 220                         NV10_3D_TEX_FORMAT_DMA1,
 221                         bo_flags | NOUVEAU_BO_OR);
 222
 223         nouveau_bo_markl(bctx, celsius, NV10_3D_TEX_OFFSET(i),
 224                          s->bo, s->offset, bo_flags);
 225
 226         BEGIN_RING(chan, celsius, NV10_3D_TEX_FILTER(i), 1);
 227         OUT_RING(chan, tx_filter);
 228
 229         BEGIN_RING(chan, celsius, NV10_3D_TEX_ENABLE(i), 1);
 230         OUT_RING(chan, tx_enable);
 231 }
 232