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_fbo.h" 30 #include "nouveau_util.h" 31 #include "nv04_3d.xml.h" 32 #include "nv04_driver.h" 33 34 static GLboolean 35 texunit_needs_combiners(struct gl_texture_unit *u) 36 { 37 struct gl_texture_object *t = u->_Current; 38 struct gl_texture_image *ti = t->Image[0][t->BaseLevel]; 39 40 return ti->TexFormat == MESA_FORMAT_A_UNORM8 || 41 ti->TexFormat == MESA_FORMAT_L_UNORM8 || 42 u->EnvMode == GL_COMBINE || 43 u->EnvMode == GL_COMBINE4_NV || 44 u->EnvMode == GL_BLEND || 45 u->EnvMode == GL_ADD; 46 } 47 48 struct nouveau_object * 49 nv04_context_engine(struct gl_context *ctx) 50 { 51 struct nv04_context *nctx = to_nv04_context(ctx); 52 struct nouveau_hw_state *hw = &to_nouveau_context(ctx)->hw; 53 struct nouveau_pushbuf *push = context_push(ctx); 54 struct nouveau_object *fahrenheit; 55 56 if ((ctx->Texture.Unit[0]._Current && 57 texunit_needs_combiners(&ctx->Texture.Unit[0])) || 58 ctx->Texture.Unit[1]._Current || 59 ctx->Stencil.Enabled || 60 !(ctx->Color.ColorMask[0][RCOMP] && 61 ctx->Color.ColorMask[0][GCOMP] && 62 ctx->Color.ColorMask[0][BCOMP] && 63 ctx->Color.ColorMask[0][ACOMP])) 64 fahrenheit = hw->eng3dm; 65 else 66 fahrenheit = hw->eng3d; 67 68 if (fahrenheit != nctx->eng3d) { 69 BEGIN_NV04(push, NV01_SUBC(3D, OBJECT), 1); 70 PUSH_DATA (push, fahrenheit->handle); 71 nctx->eng3d = fahrenheit; 72 } 73 74 return fahrenheit; 75 } 76 77 static void 78 nv04_hwctx_init(struct gl_context *ctx) 79 { 80 struct nouveau_hw_state *hw = &to_nouveau_context(ctx)->hw; 81 struct nouveau_pushbuf *push = context_push(ctx); 82 struct nv04_fifo *fifo = hw->chan->data; 83 84 BEGIN_NV04(push, NV01_SUBC(SURF, OBJECT), 1); 85 PUSH_DATA (push, hw->surf3d->handle); 86 BEGIN_NV04(push, NV04_SF3D(DMA_NOTIFY), 3); 87 PUSH_DATA (push, hw->ntfy->handle); 88 PUSH_DATA (push, fifo->vram); 89 PUSH_DATA (push, fifo->vram); 90 91 BEGIN_NV04(push, NV01_SUBC(3D, OBJECT), 1); 92 PUSH_DATA (push, hw->eng3d->handle); 93 BEGIN_NV04(push, NV04_TTRI(DMA_NOTIFY), 4); 94 PUSH_DATA (push, hw->ntfy->handle); 95 PUSH_DATA (push, fifo->vram); 96 PUSH_DATA (push, fifo->gart); 97 PUSH_DATA (push, hw->surf3d->handle); 98 99 BEGIN_NV04(push, NV01_SUBC(3D, OBJECT), 1); 100 PUSH_DATA (push, hw->eng3dm->handle); 101 BEGIN_NV04(push, NV04_MTRI(DMA_NOTIFY), 4); 102 PUSH_DATA (push, hw->ntfy->handle); 103 PUSH_DATA (push, fifo->vram); 104 PUSH_DATA (push, fifo->gart); 105 PUSH_DATA (push, hw->surf3d->handle); 106 107 PUSH_KICK (push); 108 } 109 110 static void 111 init_dummy_texture(struct gl_context *ctx) 112 { 113 struct nouveau_surface *s = &to_nv04_context(ctx)->dummy_texture; 114 115 nouveau_surface_alloc(ctx, s, SWIZZLED, 116 NOUVEAU_BO_MAP | NOUVEAU_BO_VRAM, 117 MESA_FORMAT_B8G8R8A8_UNORM, 1, 1); 118 119 nouveau_bo_map(s->bo, NOUVEAU_BO_WR, context_client(ctx)); 120 *(uint32_t *)s->bo->map = 0xffffffff; 121 } 122 123 static void 124 nv04_context_destroy(struct gl_context *ctx) 125 { 126 struct nouveau_context *nctx = to_nouveau_context(ctx); 127 128 nv04_surface_takedown(ctx); 129 nv04_render_destroy(ctx); 130 nouveau_surface_ref(NULL, &to_nv04_context(ctx)->dummy_texture); 131 132 nouveau_object_del(&nctx->hw.eng3d); 133 nouveau_object_del(&nctx->hw.eng3dm); 134 nouveau_object_del(&nctx->hw.surf3d); 135 136 nouveau_context_deinit(ctx); 137 free(ctx); 138 } 139 140 static struct gl_context * 141 nv04_context_create(struct nouveau_screen *screen, gl_api api, 142 const struct gl_config *visual, 143 struct gl_context *share_ctx) 144 { 145 struct nv04_context *nctx; 146 struct nouveau_hw_state *hw; 147 struct gl_context *ctx; 148 int ret; 149 150 nctx = CALLOC_STRUCT(nv04_context); 151 if (!nctx) 152 return NULL; 153 154 ctx = &nctx->base.base; 155 hw = &nctx->base.hw; 156 157 if (!nouveau_context_init(ctx, api, screen, visual, share_ctx)) 158 goto fail; 159 160 /* GL constants. */ 161 ctx->Const.MaxTextureLevels = 11; 162 ctx->Const.MaxTextureCoordUnits = NV04_TEXTURE_UNITS; 163 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits = NV04_TEXTURE_UNITS; 164 ctx->Const.MaxTextureUnits = NV04_TEXTURE_UNITS; 165 ctx->Const.MaxTextureMaxAnisotropy = 2; 166 ctx->Const.MaxTextureLodBias = 15; 167 168 /* 2D engine. */ 169 ret = nv04_surface_init(ctx); 170 if (!ret) 171 goto fail; 172 173 /* 3D engine. */ 174 ret = nouveau_object_new(context_chan(ctx), 0xbeef0001, 175 NV04_TEXTURED_TRIANGLE_CLASS, NULL, 0, 176 &hw->eng3d); 177 if (ret) 178 goto fail; 179 180 ret = nouveau_object_new(context_chan(ctx), 0xbeef0002, 181 NV04_MULTITEX_TRIANGLE_CLASS, NULL, 0, 182 &hw->eng3dm); 183 if (ret) 184 goto fail; 185 186 ret = nouveau_object_new(context_chan(ctx), 0xbeef0003, 187 NV04_SURFACE_3D_CLASS, NULL, 0, 188 &hw->surf3d); 189 if (ret) 190 goto fail; 191 192 init_dummy_texture(ctx); 193 nv04_hwctx_init(ctx); 194 nv04_render_init(ctx); 195 196 return ctx; 197 198 fail: 199 nv04_context_destroy(ctx); 200 return NULL; 201 } 202 203 const struct nouveau_driver nv04_driver = { 204 .context_create = nv04_context_create, 205 .context_destroy = nv04_context_destroy, 206 .surface_copy = nv04_surface_copy, 207 .surface_fill = nv04_surface_fill, 208 .emit = (nouveau_state_func[]) { 209 nv04_defer_control, 210 nouveau_emit_nothing, 211 nv04_defer_blend, 212 nv04_defer_blend, 213 nouveau_emit_nothing, 214 nouveau_emit_nothing, 215 nouveau_emit_nothing, 216 nouveau_emit_nothing, 217 nouveau_emit_nothing, 218 nouveau_emit_nothing, 219 nv04_defer_control, 220 nouveau_emit_nothing, 221 nv04_defer_control, 222 nouveau_emit_nothing, 223 nv04_defer_control, 224 nv04_defer_control, 225 nouveau_emit_nothing, 226 nv04_emit_framebuffer, 227 nv04_defer_blend, 228 nouveau_emit_nothing, 229 nouveau_emit_nothing, 230 nouveau_emit_nothing, 231 nouveau_emit_nothing, 232 nouveau_emit_nothing, 233 nouveau_emit_nothing, 234 nouveau_emit_nothing, 235 nouveau_emit_nothing, 236 nouveau_emit_nothing, 237 nouveau_emit_nothing, 238 nouveau_emit_nothing, 239 nouveau_emit_nothing, 240 nouveau_emit_nothing, 241 nouveau_emit_nothing, 242 nouveau_emit_nothing, 243 nouveau_emit_nothing, 244 nouveau_emit_nothing, 245 nouveau_emit_nothing, 246 nouveau_emit_nothing, 247 nouveau_emit_nothing, 248 nouveau_emit_nothing, 249 nouveau_emit_nothing, 250 nouveau_emit_nothing, 251 nouveau_emit_nothing, 252 nouveau_emit_nothing, 253 nouveau_emit_nothing, 254 nouveau_emit_nothing, 255 nouveau_emit_nothing, 256 nouveau_emit_nothing, 257 nv04_emit_scissor, 258 nv04_defer_blend, 259 nv04_defer_control, 260 nv04_defer_control, 261 nv04_defer_control, 262 nv04_emit_tex_env, 263 nv04_emit_tex_env, 264 nouveau_emit_nothing, 265 nouveau_emit_nothing, 266 nouveau_emit_nothing, 267 nouveau_emit_nothing, 268 nouveau_emit_nothing, 269 nouveau_emit_nothing, 270 nouveau_emit_nothing, 271 nouveau_emit_nothing, 272 nouveau_emit_nothing, 273 nouveau_emit_nothing, 274 nv04_emit_tex_obj, 275 nv04_emit_tex_obj, 276 nouveau_emit_nothing, 277 nouveau_emit_nothing, 278 nouveau_emit_nothing, 279 nv04_emit_blend, 280 nv04_emit_control, 281 }, 282 .num_emit = NUM_NV04_STATE, 283 }; 284
