src/mesa/drivers/dri/nouveau/nv10_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 "nv10_3d.xml.h"
  30 #include "nv10_driver.h"
  31
  32 #define NUM_VERTEX_ATTRS 8
  33
  34 static void
  35 nv10_emit_material(struct gl_context *ctx, struct nouveau_array *a,
  36                    const void *v);
  37
  38 /* Vertex attribute format. */
  39 static struct nouveau_attr_info nv10_vertex_attrs[VERT_ATTRIB_MAX] = {
  40         [VERT_ATTRIB_POS] = {
  41                 .vbo_index = 0,
  42                 .imm_method = NV10_3D_VERTEX_POS_4F_X,
  43                 .imm_fields = 4,
  44         },
  45         [VERT_ATTRIB_COLOR0] = {
  46                 .vbo_index = 1,
  47                 .imm_method = NV10_3D_VERTEX_COL_4F_R,
  48                 .imm_fields = 4,
  49         },
  50         [VERT_ATTRIB_COLOR1] = {
  51                 .vbo_index = 2,
  52                 .imm_method = NV10_3D_VERTEX_COL2_3F_R,
  53                 .imm_fields = 3,
  54         },
  55         [VERT_ATTRIB_TEX0] = {
  56                 .vbo_index = 3,
  57                 .imm_method = NV10_3D_VERTEX_TX0_4F_S,
  58                 .imm_fields = 4,
  59         },
  60         [VERT_ATTRIB_TEX1] = {
  61                 .vbo_index = 4,
  62                 .imm_method = NV10_3D_VERTEX_TX1_4F_S,
  63                 .imm_fields = 4,
  64         },
  65         [VERT_ATTRIB_NORMAL] = {
  66                 .vbo_index = 5,
  67                 .imm_method = NV10_3D_VERTEX_NOR_3F_X,
  68                 .imm_fields = 3,
  69         },
  70         [VERT_ATTRIB_FOG] = {
  71                 .vbo_index = 7,
  72                 .imm_method = NV10_3D_VERTEX_FOG_1F,
  73                 .imm_fields = 1,
  74         },
  75         [VERT_ATTRIB_MAT(0)] = {
  76                 .emit = nv10_emit_material,
  77         },
  78         [VERT_ATTRIB_MAT(2)] = {
  79                 .emit = nv10_emit_material,
  80         },
  81         [VERT_ATTRIB_MAT(4)] = {
  82                 .emit = nv10_emit_material,
  83         },
  84         [VERT_ATTRIB_MAT(6)] = {
  85                 .emit = nv10_emit_material,
  86         },
  87         [VERT_ATTRIB_MAT(8)] = {
  88                 .emit = nv10_emit_material,
  89         },
  90 };
  91
  92 static int
  93 get_hw_format(int type)
  94 {
  95         switch (type) {
  96         case GL_FLOAT:
  97                 return NV10_3D_VTXBUF_FMT_TYPE_V32_FLOAT;
  98         case GL_SHORT:
  99         case GL_UNSIGNED_SHORT:
 100                 return NV10_3D_VTXBUF_FMT_TYPE_V16_SNORM;
 101         case GL_UNSIGNED_BYTE:
 102                 return NV10_3D_VTXBUF_FMT_TYPE_U8_UNORM;
 103         default:
 104                 assert(0);
 105         }
 106 }
 107
 108 static void
 109 nv10_render_set_format(struct gl_context *ctx)
 110 {
 111         struct nouveau_render_state *render = to_render_state(ctx);
 112         struct nouveau_pushbuf *push = context_push(ctx);
 113         int i, attr, hw_format;
 114
 115         FOR_EACH_ATTR(render, i, attr) {
 116                 if (attr >= 0) {
 117                         struct nouveau_array *a = &render->attrs[attr];
 118
 119                         hw_format = a->stride << 8 |
 120                                 a->fields << 4 |
 121                                 get_hw_format(a->type);
 122
 123                         if (attr == VERT_ATTRIB_POS && a->fields == 4)
 124                                 hw_format |= NV10_3D_VTXBUF_FMT_HOMOGENEOUS;
 125                 } else {
 126                         /* Unused attribute. */
 127                         hw_format = NV10_3D_VTXBUF_FMT_TYPE_V32_FLOAT;
 128                 }
 129
 130                 BEGIN_NV04(push, NV10_3D(VTXBUF_FMT(i)), 1);
 131                 PUSH_DATA (push, hw_format);
 132         }
 133 }
 134
 135 static void
 136 nv10_render_bind_vertices(struct gl_context *ctx)
 137 {
 138         struct nouveau_render_state *render = to_render_state(ctx);
 139         struct nouveau_pushbuf *push = context_push(ctx);
 140         int i, attr;
 141
 142         FOR_EACH_BOUND_ATTR(render, i, attr) {
 143                 struct nouveau_array *a = &render->attrs[attr];
 144
 145                 BEGIN_NV04(push, NV10_3D(VTXBUF_OFFSET(i)), 1);
 146                 PUSH_MTHDl(push, NV10_3D(VTXBUF_OFFSET(i)), BUFCTX_VTX,
 147                                  a->bo, a->offset, NOUVEAU_BO_GART |
 148                                  NOUVEAU_BO_RD);
 149         }
 150 }
 151
 152 static void
 153 nv10_render_release_vertices(struct gl_context *ctx)
 154 {
 155         PUSH_RESET(context_push(ctx), BUFCTX_VTX);
 156 }
 157
 158 /* Vertex array rendering defs. */
 159 #define RENDER_LOCALS(ctx)
 160
 161 #define BATCH_VALIDATE()                                                \
 162         BEGIN_NV04(push, NV10_3D(VTXBUF_VALIDATE), 1);  \
 163         PUSH_DATA (push, 0)
 164
 165 #define BATCH_BEGIN(prim)                                               \
 166         BEGIN_NV04(push, NV10_3D(VTXBUF_BEGIN_END), 1); \
 167         PUSH_DATA (push, prim)
 168 #define BATCH_END()                                                     \
 169         BEGIN_NV04(push, NV10_3D(VTXBUF_BEGIN_END), 1); \
 170         PUSH_DATA (push, 0)
 171
 172 #define MAX_PACKET 0x400
 173
 174 #define MAX_OUT_L 0x100
 175 #define BATCH_PACKET_L(n)                                               \
 176         BEGIN_NI04(push, NV10_3D(VTXBUF_BATCH), n)
 177 #define BATCH_OUT_L(i, n)                       \
 178         PUSH_DATA (push, ((n) - 1) << 24 | (i))
 179
 180 #define MAX_OUT_I16 0x2
 181 #define BATCH_PACKET_I16(n)                                             \
 182         BEGIN_NI04(push, NV10_3D(VTXBUF_ELEMENT_U16), n)
 183 #define BATCH_OUT_I16(i0, i1)                   \
 184         PUSH_DATA (push, (i1) << 16 | (i0))
 185
 186 #define MAX_OUT_I32 0x1
 187 #define BATCH_PACKET_I32(n)                                             \
 188         BEGIN_NI04(push, NV10_3D(VTXBUF_ELEMENT_U32), n)
 189 #define BATCH_OUT_I32(i)                        \
 190         PUSH_DATA (push, i)
 191
 192 #define IMM_PACKET(m, n)                        \
 193         BEGIN_NV04(push, SUBC_3D(m), n)
 194 #define IMM_OUT(x)                              \
 195         PUSH_DATAf(push, x)
 196
 197 #define TAG(x) nv10_##x
 198 #include "nouveau_render_t.c"
 199 #include "nouveau_vbo_t.c"
 200 #include "nouveau_swtnl_t.c"