src/mesa/drivers/dri/nouveau/nv20_render.c

   1 /*
   2  * Copyright (C) 2009-2010 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_class.h"
  30 #include "nv20_driver.h"
  31
  32 #define NUM_VERTEX_ATTRS 16
  33
  34 static void
  35 nv20_emit_material(struct gl_context *ctx, struct nouveau_array_state *a,
  36                    const void *v);
  37
  38 /* Vertex attribute format. */
  39 static struct nouveau_attr_info nv20_vertex_attrs[VERT_ATTRIB_MAX] = {
  40         [VERT_ATTRIB_POS] = {
  41                 .vbo_index = 0,
  42                 .imm_method = NV20TCL_VERTEX_POS_4F_X,
  43                 .imm_fields = 4,
  44         },
  45         [VERT_ATTRIB_NORMAL] = {
  46                 .vbo_index = 2,
  47                 .imm_method = NV20TCL_VERTEX_NOR_3F_X,
  48                 .imm_fields = 3,
  49         },
  50         [VERT_ATTRIB_COLOR0] = {
  51                 .vbo_index = 3,
  52                 .imm_method = NV20TCL_VERTEX_COL_4F_X,
  53                 .imm_fields = 4,
  54         },
  55         [VERT_ATTRIB_COLOR1] = {
  56                 .vbo_index = 4,
  57                 .imm_method = NV20TCL_VERTEX_COL2_3F_X,
  58                 .imm_fields = 3,
  59         },
  60         [VERT_ATTRIB_FOG] = {
  61                 .vbo_index = 5,
  62                 .imm_method = NV20TCL_VERTEX_FOG_1F,
  63                 .imm_fields = 1,
  64         },
  65         [VERT_ATTRIB_TEX0] = {
  66                 .vbo_index = 9,
  67                 .imm_method = NV20TCL_VERTEX_TX0_4F_S,
  68                 .imm_fields = 4,
  69         },
  70         [VERT_ATTRIB_TEX1] = {
  71                 .vbo_index = 10,
  72                 .imm_method = NV20TCL_VERTEX_TX1_4F_S,
  73                 .imm_fields = 4,
  74         },
  75         [VERT_ATTRIB_TEX2] = {
  76                 .vbo_index = 11,
  77                 .imm_method = NV20TCL_VERTEX_TX2_4F_S,
  78                 .imm_fields = 4,
  79         },
  80         [VERT_ATTRIB_TEX3] = {
  81                 .vbo_index = 12,
  82                 .imm_method = NV20TCL_VERTEX_TX3_4F_S,
  83                 .imm_fields = 4,
  84         },
  85         [VERT_ATTRIB_GENERIC0] = {
  86                 .emit = nv20_emit_material,
  87         },
  88         [VERT_ATTRIB_GENERIC1] = {
  89                 .emit = nv20_emit_material,
  90         },
  91         [VERT_ATTRIB_GENERIC2] = {
  92                 .emit = nv20_emit_material,
  93         },
  94         [VERT_ATTRIB_GENERIC3] = {
  95                 .emit = nv20_emit_material,
  96         },
  97         [VERT_ATTRIB_GENERIC4] = {
  98                 .emit = nv20_emit_material,
  99         },
 100         [VERT_ATTRIB_GENERIC5] = {
 101                 .emit = nv20_emit_material,
 102         },
 103         [VERT_ATTRIB_GENERIC6] = {
 104                 .emit = nv20_emit_material,
 105         },
 106         [VERT_ATTRIB_GENERIC7] = {
 107                 .emit = nv20_emit_material,
 108         },
 109         [VERT_ATTRIB_GENERIC8] = {
 110                 .emit = nv20_emit_material,
 111         },
 112         [VERT_ATTRIB_GENERIC9] = {
 113                 .emit = nv20_emit_material,
 114         },
 115 };
 116
 117 static int
 118 get_hw_format(int type)
 119 {
 120         switch (type) {
 121         case GL_FLOAT:
 122                 return NV20TCL_VTXFMT_TYPE_FLOAT;
 123         case GL_UNSIGNED_SHORT:
 124                 return NV20TCL_VTXFMT_TYPE_USHORT;
 125         case GL_UNSIGNED_BYTE:
 126                 return NV20TCL_VTXFMT_TYPE_UBYTE;
 127         default:
 128                 assert(0);
 129         }
 130 }
 131
 132 static void
 133 nv20_render_set_format(struct gl_context *ctx)
 134 {
 135         struct nouveau_render_state *render = to_render_state(ctx);
 136         struct nouveau_channel *chan = context_chan(ctx);
 137         struct nouveau_grobj *kelvin = context_eng3d(ctx);
 138         int i, hw_format;
 139
 140         for (i = 0; i < NUM_VERTEX_ATTRS; i++) {
 141                 int attr = render->map[i];
 142
 143                 if (attr >= 0) {
 144                         struct nouveau_array_state *a = &render->attrs[attr];
 145
 146                         hw_format = a->stride << 8 |
 147                                 a->fields << 4 |
 148                                 get_hw_format(a->type);
 149
 150                 } else {
 151                         /* Unused attribute. */
 152                         hw_format = NV10TCL_VTXFMT_TYPE_FLOAT;
 153                 }
 154
 155                 BEGIN_RING(chan, kelvin, NV20TCL_VTXFMT(i), 1);
 156                 OUT_RING(chan, hw_format);
 157         }
 158 }
 159
 160 static void
 161 nv20_render_bind_vertices(struct gl_context *ctx)
 162 {
 163         struct nouveau_render_state *render = to_render_state(ctx);
 164         struct nouveau_bo_context *bctx = context_bctx(ctx, VERTEX);
 165         struct nouveau_channel *chan = context_chan(ctx);
 166         struct nouveau_grobj *kelvin = context_eng3d(ctx);
 167         int i;
 168
 169         for (i = 0; i < NUM_VERTEX_ATTRS; i++) {
 170                 int attr = render->map[i];
 171
 172                 if (attr >= 0) {
 173                         struct nouveau_array_state *a = &render->attrs[attr];
 174
 175                         nouveau_bo_mark(bctx, kelvin,
 176                                         NV20TCL_VTXBUF_ADDRESS(i),
 177                                         a->bo, a->offset, 0,
 178                                         0, NV20TCL_VTXBUF_ADDRESS_DMA1,
 179                                         NOUVEAU_BO_LOW | NOUVEAU_BO_OR |
 180                                         NOUVEAU_BO_GART | NOUVEAU_BO_RD);
 181                 }
 182         }
 183
 184         BEGIN_RING(chan, kelvin, NV20TCL_VTX_CACHE_INVALIDATE, 1);
 185         OUT_RING(chan, 0);
 186 }
 187
 188 /* Vertex array rendering defs. */
 189 #define RENDER_LOCALS(ctx)                                      \
 190         struct nouveau_grobj *kelvin = context_eng3d(ctx)
 191
 192 #define BATCH_BEGIN(prim)                                       \
 193         BEGIN_RING(chan, kelvin, NV20TCL_VERTEX_BEGIN_END, 1);  \
 194         OUT_RING(chan, prim)
 195 #define BATCH_END()                                             \
 196         BEGIN_RING(chan, kelvin, NV20TCL_VERTEX_BEGIN_END, 1);  \
 197         OUT_RING(chan, 0)
 198
 199 #define MAX_PACKET 0x400
 200
 201 #define MAX_OUT_L 0x100
 202 #define BATCH_PACKET_L(n)                                               \
 203         BEGIN_RING_NI(chan, kelvin, NV20TCL_VB_VERTEX_BATCH, n)
 204 #define BATCH_OUT_L(i, n)                       \
 205         OUT_RING(chan, ((n) - 1) << 24 | (i))
 206
 207 #define MAX_OUT_I16 0x2
 208 #define BATCH_PACKET_I16(n)                                     \
 209         BEGIN_RING_NI(chan, kelvin, NV20TCL_VB_ELEMENT_U16, n)
 210 #define BATCH_OUT_I16(i0, i1)                   \
 211         OUT_RING(chan, (i1) << 16 | (i0))
 212
 213 #define MAX_OUT_I32 0x1
 214 #define BATCH_PACKET_I32(n)                                     \
 215         BEGIN_RING_NI(chan, kelvin, NV20TCL_VB_ELEMENT_U32, n)
 216 #define BATCH_OUT_I32(i)                        \
 217         OUT_RING(chan, i)
 218
 219 #define IMM_PACKET(m, n)                        \
 220         BEGIN_RING(chan, kelvin, m, n)
 221 #define IMM_OUT(x)                              \
 222         OUT_RINGf(chan, x)
 223
 224 #define TAG(x) nv20_##x
 225 #include "nouveau_render_t.c"