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_util.h" 30 #include "nv04_3d.xml.h" 31 #include "nv04_driver.h" 32 33 #include "tnl/tnl.h" 34 #include "tnl/t_pipeline.h" 35 #include "tnl/t_vertex.h" 36 37 #define NUM_VERTEX_ATTRS 6 38 39 static void 40 swtnl_update_viewport(struct gl_context *ctx) 41 { 42 float *viewport = to_nv04_context(ctx)->viewport; 43 struct gl_framebuffer *fb = ctx->DrawBuffer; 44 45 get_viewport_scale(ctx, viewport); 46 get_viewport_translate(ctx, &viewport[MAT_TX]); 47 48 /* It wants normalized Z coordinates. */ 49 viewport[MAT_SZ] /= fb->_DepthMaxF; 50 viewport[MAT_TZ] /= fb->_DepthMaxF; 51 } 52 53 static void 54 swtnl_emit_attr(struct gl_context *ctx, struct tnl_attr_map *m, int attr, int emit) 55 { 56 TNLcontext *tnl = TNL_CONTEXT(ctx); 57 58 if (tnl->render_inputs_bitset & BITFIELD64_BIT(attr)) 59 *m = (struct tnl_attr_map) { 60 .attrib = attr, 61 .format = emit, 62 }; 63 else 64 *m = (struct tnl_attr_map) { 65 .format = EMIT_PAD, 66 .offset = _tnl_format_info[emit].attrsize, 67 }; 68 } 69 70 static void 71 swtnl_choose_attrs(struct gl_context *ctx) 72 { 73 TNLcontext *tnl = TNL_CONTEXT(ctx); 74 struct nouveau_object *fahrenheit = nv04_context_engine(ctx); 75 struct nv04_context *nctx = to_nv04_context(ctx); 76 static struct tnl_attr_map map[NUM_VERTEX_ATTRS]; 77 int n = 0; 78 79 tnl->vb.AttribPtr[VERT_ATTRIB_POS] = tnl->vb.NdcPtr; 80 81 swtnl_emit_attr(ctx, &map[n++], _TNL_ATTRIB_POS, EMIT_4F_VIEWPORT); 82 swtnl_emit_attr(ctx, &map[n++], _TNL_ATTRIB_COLOR0, EMIT_4UB_4F_BGRA); 83 swtnl_emit_attr(ctx, &map[n++], _TNL_ATTRIB_COLOR1, EMIT_3UB_3F_BGR); 84 swtnl_emit_attr(ctx, &map[n++], _TNL_ATTRIB_FOG, EMIT_1UB_1F); 85 swtnl_emit_attr(ctx, &map[n++], _TNL_ATTRIB_TEX0, EMIT_2F); 86 if (nv04_mtex_engine(fahrenheit)) 87 swtnl_emit_attr(ctx, &map[n++], _TNL_ATTRIB_TEX1, EMIT_2F); 88 89 swtnl_update_viewport(ctx); 90 91 _tnl_install_attrs(ctx, map, n, nctx->viewport, 0); 92 } 93 94 /* TnL renderer entry points */ 95 96 static void 97 swtnl_restart_ttri(struct nv04_context *nv04, struct nouveau_pushbuf *push) 98 { 99 BEGIN_NV04(push, NV04_TTRI(COLORKEY), 7); 100 PUSH_DATA (push, nv04->colorkey); 101 PUSH_RELOC(push, nv04->texture[0]->bo, nv04->texture[0]->offset, 102 NOUVEAU_BO_LOW, 0, 0); 103 PUSH_RELOC(push, nv04->texture[0]->bo, nv04->format[0], NOUVEAU_BO_OR, 104 NV04_TEXTURED_TRIANGLE_FORMAT_DMA_A, 105 NV04_TEXTURED_TRIANGLE_FORMAT_DMA_B); 106 PUSH_DATA (push, nv04->filter[0]); 107 PUSH_DATA (push, nv04->blend); 108 PUSH_DATA (push, nv04->ctrl[0] & ~0x3e000000); 109 PUSH_DATA (push, nv04->fog); 110 } 111 112 static void 113 swtnl_restart_mtri(struct nv04_context *nv04, struct nouveau_pushbuf *push) 114 { 115 BEGIN_NV04(push, NV04_MTRI(OFFSET(0)), 8); 116 PUSH_RELOC(push, nv04->texture[0]->bo, nv04->texture[0]->offset, 117 NOUVEAU_BO_LOW, 0, 0); 118 PUSH_RELOC(push, nv04->texture[1]->bo, nv04->texture[1]->offset, 119 NOUVEAU_BO_LOW, 0, 0); 120 PUSH_RELOC(push, nv04->texture[0]->bo, nv04->format[0], NOUVEAU_BO_OR, 121 NV04_TEXTURED_TRIANGLE_FORMAT_DMA_A, 122 NV04_TEXTURED_TRIANGLE_FORMAT_DMA_B); 123 PUSH_RELOC(push, nv04->texture[1]->bo, nv04->format[1], NOUVEAU_BO_OR, 124 NV04_TEXTURED_TRIANGLE_FORMAT_DMA_A, 125 NV04_TEXTURED_TRIANGLE_FORMAT_DMA_B); 126 PUSH_DATA (push, nv04->filter[0]); 127 PUSH_DATA (push, nv04->filter[1]); 128 PUSH_DATA (push, nv04->alpha[0]); 129 PUSH_DATA (push, nv04->color[0]); 130 BEGIN_NV04(push, NV04_MTRI(COMBINE_ALPHA(1)), 8); 131 PUSH_DATA (push, nv04->alpha[1]); 132 PUSH_DATA (push, nv04->color[1]); 133 PUSH_DATA (push, nv04->factor); 134 PUSH_DATA (push, nv04->blend & ~0x0000000f); 135 PUSH_DATA (push, nv04->ctrl[0]); 136 PUSH_DATA (push, nv04->ctrl[1]); 137 PUSH_DATA (push, nv04->ctrl[2]); 138 PUSH_DATA (push, nv04->fog); 139 } 140 141 static inline bool 142 swtnl_restart(struct gl_context *ctx, int multi, unsigned vertex_size) 143 { 144 const int tex_flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | NOUVEAU_BO_RD; 145 struct nv04_context *nv04 = to_nv04_context(ctx); 146 struct nouveau_pushbuf *push = context_push(ctx); 147 struct nouveau_pushbuf_refn refs[] = { 148 { nv04->texture[0]->bo, tex_flags }, 149 { nv04->texture[1]->bo, tex_flags }, 150 }; 151 152 /* wait for enough space for state, and at least one whole primitive */ 153 if (nouveau_pushbuf_space(push, 32 + (4 * vertex_size), 4, 0) || 154 nouveau_pushbuf_refn (push, refs, multi ? 2 : 1)) 155 return false; 156 157 /* emit engine state */ 158 if (multi) 159 swtnl_restart_mtri(nv04, push); 160 else 161 swtnl_restart_ttri(nv04, push); 162 163 return true; 164 } 165 166 static void 167 swtnl_start(struct gl_context *ctx) 168 { 169 struct nouveau_object *eng3d = nv04_context_engine(ctx); 170 struct nouveau_pushbuf *push = context_push(ctx); 171 unsigned vertex_size; 172 173 nouveau_pushbuf_bufctx(push, push->user_priv); 174 nouveau_pushbuf_validate(push); 175 176 swtnl_choose_attrs(ctx); 177 178 vertex_size = TNL_CONTEXT(ctx)->clipspace.vertex_size / 4; 179 if (eng3d->oclass == NV04_MULTITEX_TRIANGLE_CLASS) 180 swtnl_restart(ctx, 1, vertex_size); 181 else 182 swtnl_restart(ctx, 0, vertex_size); 183 } 184 185 static void 186 swtnl_finish(struct gl_context *ctx) 187 { 188 struct nouveau_pushbuf *push = context_push(ctx); 189 190 nouveau_pushbuf_bufctx(push, NULL); 191 } 192 193 static void 194 swtnl_primitive(struct gl_context *ctx, GLenum mode) 195 { 196 } 197 198 static void 199 swtnl_reset_stipple(struct gl_context *ctx) 200 { 201 } 202 203 /* Primitive rendering */ 204 205 #define BEGIN_PRIMITIVE(n) \ 206 struct nouveau_object *eng3d = to_nv04_context(ctx)->eng3d; \ 207 struct nouveau_pushbuf *push = context_push(ctx); \ 208 int vertex_size = TNL_CONTEXT(ctx)->clipspace.vertex_size / 4; \ 209 int multi = (eng3d->oclass == NV04_MULTITEX_TRIANGLE_CLASS); \ 210 \ 211 if (PUSH_AVAIL(push) < 32 + (n * vertex_size)) { \ 212 if (!swtnl_restart(ctx, multi, vertex_size)) \ 213 return; \ 214 } \ 215 \ 216 BEGIN_NV04(push, NV04_TTRI(TLVERTEX_SX(0)), n * vertex_size); 217 218 #define OUT_VERTEX(i) \ 219 PUSH_DATAp(push, _tnl_get_vertex(ctx, i), vertex_size); 220 221 #define END_PRIMITIVE(draw) \ 222 if (multi) { \ 223 BEGIN_NV04(push, NV04_MTRI(DRAWPRIMITIVE(0)), 1); \ 224 PUSH_DATA (push, draw); \ 225 } else { \ 226 BEGIN_NV04(push, NV04_TTRI(DRAWPRIMITIVE(0)), 1); \ 227 PUSH_DATA (push, draw); \ 228 } 229 230 static void 231 swtnl_points(struct gl_context *ctx, GLuint first, GLuint last) 232 { 233 } 234 235 static void 236 swtnl_line(struct gl_context *ctx, GLuint v1, GLuint v2) 237 { 238 } 239 240 static void 241 swtnl_triangle(struct gl_context *ctx, GLuint v1, GLuint v2, GLuint v3) 242 { 243 BEGIN_PRIMITIVE(3); 244 OUT_VERTEX(v1); 245 OUT_VERTEX(v2); 246 OUT_VERTEX(v3); 247 END_PRIMITIVE(0x102); 248 } 249 250 static void 251 swtnl_quad(struct gl_context *ctx, GLuint v1, GLuint v2, GLuint v3, GLuint v4) 252 { 253 BEGIN_PRIMITIVE(4); 254 OUT_VERTEX(v1); 255 OUT_VERTEX(v2); 256 OUT_VERTEX(v3); 257 OUT_VERTEX(v4); 258 END_PRIMITIVE(0x213103); 259 } 260 261 /* TnL initialization. */ 262 void 263 nv04_render_init(struct gl_context *ctx) 264 { 265 TNLcontext *tnl = TNL_CONTEXT(ctx); 266 267 tnl->Driver.RunPipeline = _tnl_run_pipeline; 268 tnl->Driver.Render.Interp = _tnl_interp; 269 tnl->Driver.Render.CopyPV = _tnl_copy_pv; 270 tnl->Driver.Render.ClippedPolygon = _tnl_RenderClippedPolygon; 271 tnl->Driver.Render.ClippedLine = _tnl_RenderClippedLine; 272 tnl->Driver.Render.BuildVertices = _tnl_build_vertices; 273 274 tnl->Driver.Render.Start = swtnl_start; 275 tnl->Driver.Render.Finish = swtnl_finish; 276 tnl->Driver.Render.PrimitiveNotify = swtnl_primitive; 277 tnl->Driver.Render.ResetLineStipple = swtnl_reset_stipple; 278 279 tnl->Driver.Render.Points = swtnl_points; 280 tnl->Driver.Render.Line = swtnl_line; 281 tnl->Driver.Render.Triangle = swtnl_triangle; 282 tnl->Driver.Render.Quad = swtnl_quad; 283 284 _tnl_need_projected_coords(ctx, GL_TRUE); 285 _tnl_init_vertices(ctx, tnl->vb.Size, 286 NUM_VERTEX_ATTRS * 4 * sizeof(GLfloat)); 287 _tnl_allow_pixel_fog(ctx, GL_FALSE); 288 _tnl_wakeup(ctx); 289 } 290 291 void 292 nv04_render_destroy(struct gl_context *ctx) 293 { 294 } 295
