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  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 "nv20_3d.xml.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 *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 = NV20_3D_VERTEX_POS_4F_X,
  43.                 .imm_fields = 4,
  44.         },
  45.         [VERT_ATTRIB_NORMAL] = {
  46.                 .vbo_index = 2,
  47.                 .imm_method = NV20_3D_VERTEX_NOR_3F_X,
  48.                 .imm_fields = 3,
  49.         },
  50.         [VERT_ATTRIB_COLOR0] = {
  51.                 .vbo_index = 3,
  52.                 .imm_method = NV20_3D_VERTEX_COL_4F,
  53.                 .imm_fields = 4,
  54.         },
  55.         [VERT_ATTRIB_COLOR1] = {
  56.                 .vbo_index = 4,
  57.                 .imm_method = NV20_3D_VERTEX_COL2_3F,
  58.                 .imm_fields = 3,
  59.         },
  60.         [VERT_ATTRIB_FOG] = {
  61.                 .vbo_index = 5,
  62.                 .imm_method = NV20_3D_VERTEX_FOG_1F,
  63.                 .imm_fields = 1,
  64.         },
  65.         [VERT_ATTRIB_TEX0] = {
  66.                 .vbo_index = 9,
  67.                 .imm_method = NV20_3D_VERTEX_TX0_4F_S,
  68.                 .imm_fields = 4,
  69.         },
  70.         [VERT_ATTRIB_TEX1] = {
  71.                 .vbo_index = 10,
  72.                 .imm_method = NV20_3D_VERTEX_TX1_4F_S,
  73.                 .imm_fields = 4,
  74.         },
  75.         [VERT_ATTRIB_TEX2] = {
  76.                 .vbo_index = 11,
  77.                 .imm_method = NV20_3D_VERTEX_TX2_4F_S,
  78.                 .imm_fields = 4,
  79.         },
  80.         [VERT_ATTRIB_TEX3] = {
  81.                 .vbo_index = 12,
  82.                 .imm_method = NV20_3D_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 NV20_3D_VTXBUF_FMT_TYPE_FLOAT;
  123.         case GL_UNSIGNED_SHORT:
  124.                 return NV20_3D_VTXBUF_FMT_TYPE_USHORT;
  125.         case GL_UNSIGNED_BYTE:
  126.                 return NV20_3D_VTXBUF_FMT_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_pushbuf *push = context_push(ctx);
  137.         int i, attr, hw_format;
  138.  
  139.         FOR_EACH_ATTR(render, i, attr) {
  140.                 if (attr >= 0) {
  141.                         struct nouveau_array *a = &render->attrs[attr];
  142.  
  143.                         hw_format = a->stride << 8 |
  144.                                 a->fields << 4 |
  145.                                 get_hw_format(a->type);
  146.  
  147.                 } else {
  148.                         /* Unused attribute. */
  149.                         hw_format = NV20_3D_VTXBUF_FMT_TYPE_FLOAT;
  150.                 }
  151.  
  152.                 BEGIN_NV04(push, NV20_3D(VTXBUF_FMT(i)), 1);
  153.                 PUSH_DATA (push, hw_format);
  154.         }
  155. }
  156.  
  157. static void
  158. nv20_render_bind_vertices(struct gl_context *ctx)
  159. {
  160.         struct nouveau_render_state *render = to_render_state(ctx);
  161.         struct nouveau_pushbuf *push = context_push(ctx);
  162.         int i, attr;
  163.  
  164.         FOR_EACH_BOUND_ATTR(render, i, attr) {
  165.                 struct nouveau_array *a = &render->attrs[attr];
  166.  
  167.                 BEGIN_NV04(push, NV20_3D(VTXBUF_OFFSET(i)), 1);
  168.                 PUSH_MTHD (push, NV20_3D(VTXBUF_OFFSET(i)), BUFCTX_VTX,
  169.                                  a->bo, a->offset, NOUVEAU_BO_LOW |
  170.                                  NOUVEAU_BO_OR | NOUVEAU_BO_GART |
  171.                                  NOUVEAU_BO_RD, 0,
  172.                                  NV20_3D_VTXBUF_OFFSET_DMA1);
  173.         }
  174. }
  175.  
  176. static void
  177. nv20_render_release_vertices(struct gl_context *ctx)
  178. {
  179.         PUSH_RESET(context_push(ctx), BUFCTX_VTX);
  180. }
  181.  
  182. /* Vertex array rendering defs. */
  183. #define RENDER_LOCALS(ctx)
  184.  
  185. #define BATCH_VALIDATE()                                                \
  186.         BEGIN_NV04(push, NV20_3D(VTXBUF_VALIDATE), 1);  \
  187.         PUSH_DATA (push, 0)
  188.  
  189. #define BATCH_BEGIN(prim)                                       \
  190.         BEGIN_NV04(push, NV20_3D(VERTEX_BEGIN_END), 1); \
  191.         PUSH_DATA (push, prim)
  192. #define BATCH_END()                                             \
  193.         BEGIN_NV04(push, NV20_3D(VERTEX_BEGIN_END), 1); \
  194.         PUSH_DATA (push, 0)
  195.  
  196. #define MAX_PACKET 0x400
  197.  
  198. #define MAX_OUT_L 0x100
  199. #define BATCH_PACKET_L(n)                                               \
  200.         BEGIN_NI04(push, NV20_3D(VTXBUF_BATCH), n)
  201. #define BATCH_OUT_L(i, n)                       \
  202.         PUSH_DATA (push, ((n) - 1) << 24 | (i))
  203.  
  204. #define MAX_OUT_I16 0x2
  205. #define BATCH_PACKET_I16(n)                                     \
  206.         BEGIN_NI04(push, NV20_3D(VTXBUF_ELEMENT_U16), n)
  207. #define BATCH_OUT_I16(i0, i1)                   \
  208.         PUSH_DATA (push, (i1) << 16 | (i0))
  209.  
  210. #define MAX_OUT_I32 0x1
  211. #define BATCH_PACKET_I32(n)                                     \
  212.         BEGIN_NI04(push, NV20_3D(VTXBUF_ELEMENT_U32), n)
  213. #define BATCH_OUT_I32(i)                        \
  214.         PUSH_DATA (push, i)
  215.  
  216. #define IMM_PACKET(m, n)                        \
  217.         BEGIN_NV04(push, SUBC_3D(m), n)
  218. #define IMM_OUT(x)                              \
  219.         PUSH_DATAf(push, x)
  220.  
  221. #define TAG(x) nv20_##x
  222. #include "nouveau_render_t.c"
  223. #include "nouveau_vbo_t.c"
  224. #include "nouveau_swtnl_t.c"
  225.