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_GENERIC0] = { 76 .emit = nv10_emit_material, 77 }, 78 [VERT_ATTRIB_GENERIC2] = { 79 .emit = nv10_emit_material, 80 }, 81 [VERT_ATTRIB_GENERIC4] = { 82 .emit = nv10_emit_material, 83 }, 84 [VERT_ATTRIB_GENERIC6] = { 85 .emit = nv10_emit_material, 86 }, 87 [VERT_ATTRIB_GENERIC8] = { 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" 201