1 /************************************************************************** 2 3 Copyright 2000, 2001 ATI Technologies Inc., Ontario, Canada, and 4 VA Linux Systems Inc., Fremont, California. 5 6 All Rights Reserved. 7 8 Permission is hereby granted, free of charge, to any person obtaining 9 a copy of this software and associated documentation files (the 10 "Software"), to deal in the Software without restriction, including 11 without limitation the rights to use, copy, modify, merge, publish, 12 distribute, sublicense, and/or sell copies of the Software, and to 13 permit persons to whom the Software is furnished to do so, subject to 14 the following conditions: 15 16 The above copyright notice and this permission notice (including the 17 next paragraph) shall be included in all copies or substantial 18 portions of the Software. 19 20 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 21 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 22 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 23 IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE 24 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 25 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 26 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 27 28 **************************************************************************/ 29 30 /* 31 * Authors: 32 * Kevin E. Martin <martin (at) valinux.com> 33 * Gareth Hughes <gareth (at) valinux.com> 34 * Keith Whitwell <keithw (at) vmware.com> 35 */ 36 37 #include <stdbool.h> 38 #include "main/glheader.h" 39 #include "main/api_arrayelt.h" 40 #include "main/api_exec.h" 41 #include "main/context.h" 42 #include "util/simple_list.h" 43 #include "main/imports.h" 44 #include "main/extensions.h" 45 #include "main/version.h" 46 #include "main/vtxfmt.h" 47 48 #include "swrast/swrast.h" 49 #include "swrast_setup/swrast_setup.h" 50 #include "vbo/vbo.h" 51 52 #include "tnl/tnl.h" 53 #include "tnl/t_pipeline.h" 54 55 #include "drivers/common/driverfuncs.h" 56 57 #include "radeon_common.h" 58 #include "radeon_context.h" 59 #include "radeon_ioctl.h" 60 #include "radeon_state.h" 61 #include "radeon_span.h" 62 #include "radeon_tex.h" 63 #include "radeon_swtcl.h" 64 #include "radeon_tcl.h" 65 #include "radeon_queryobj.h" 66 #include "radeon_blit.h" 67 #include "radeon_fog.h" 68 69 #include "utils.h" 70 #include "xmlpool.h" /* for symbolic values of enum-type options */ 71 72 extern const struct tnl_pipeline_stage _radeon_render_stage; 73 extern const struct tnl_pipeline_stage _radeon_tcl_stage; 74 75 static const struct tnl_pipeline_stage *radeon_pipeline[] = { 76 77 /* Try and go straight to t&l 78 */ 79 &_radeon_tcl_stage, 80 81 /* Catch any t&l fallbacks 82 */ 83 &_tnl_vertex_transform_stage, 84 &_tnl_normal_transform_stage, 85 &_tnl_lighting_stage, 86 &_tnl_fog_coordinate_stage, 87 &_tnl_texgen_stage, 88 &_tnl_texture_transform_stage, 89 90 &_radeon_render_stage, 91 &_tnl_render_stage, /* FALLBACK: */ 92 NULL, 93 }; 94 95 static void r100_vtbl_pre_emit_state(radeonContextPtr radeon) 96 { 97 r100ContextPtr rmesa = (r100ContextPtr)radeon; 98 99 /* r100 always needs to emit ZBS to avoid TCL lockups */ 100 rmesa->hw.zbs.dirty = 1; 101 radeon->hw.is_dirty = 1; 102 } 103 104 static void r100_vtbl_free_context(struct gl_context *ctx) 105 { 106 r100ContextPtr rmesa = R100_CONTEXT(ctx); 107 _mesa_vector4f_free( &rmesa->tcl.ObjClean ); 108 } 109 110 static void r100_emit_query_finish(radeonContextPtr radeon) 111 { 112 BATCH_LOCALS(radeon); 113 struct radeon_query_object *query = radeon->query.current; 114 115 BEGIN_BATCH(4); 116 OUT_BATCH(CP_PACKET0(RADEON_RB3D_ZPASS_ADDR, 0)); 117 OUT_BATCH_RELOC(0, query->bo, query->curr_offset, 0, RADEON_GEM_DOMAIN_GTT, 0); 118 END_BATCH(); 119 query->curr_offset += sizeof(uint32_t); 120 assert(query->curr_offset < RADEON_QUERY_PAGE_SIZE); 121 query->emitted_begin = GL_FALSE; 122 } 123 124 static void r100_init_vtbl(radeonContextPtr radeon) 125 { 126 radeon->vtbl.swtcl_flush = r100_swtcl_flush; 127 radeon->vtbl.pre_emit_state = r100_vtbl_pre_emit_state; 128 radeon->vtbl.fallback = radeonFallback; 129 radeon->vtbl.free_context = r100_vtbl_free_context; 130 radeon->vtbl.emit_query_finish = r100_emit_query_finish; 131 radeon->vtbl.check_blit = r100_check_blit; 132 radeon->vtbl.blit = r100_blit; 133 radeon->vtbl.is_format_renderable = radeonIsFormatRenderable; 134 radeon->vtbl.revalidate_all_buffers = r100ValidateBuffers; 135 } 136 137 /* Create the device specific context. 138 */ 139 GLboolean 140 r100CreateContext( gl_api api, 141 const struct gl_config *glVisual, 142 __DRIcontext *driContextPriv, 143 unsigned major_version, 144 unsigned minor_version, 145 uint32_t flags, 146 bool notify_reset, 147 unsigned *error, 148 void *sharedContextPrivate) 149 { 150 __DRIscreen *sPriv = driContextPriv->driScreenPriv; 151 radeonScreenPtr screen = (radeonScreenPtr)(sPriv->driverPrivate); 152 struct dd_function_table functions; 153 r100ContextPtr rmesa; 154 struct gl_context *ctx; 155 int i; 156 int tcl_mode, fthrottle_mode; 157 158 if (flags & ~__DRI_CTX_FLAG_DEBUG) { 159 *error = __DRI_CTX_ERROR_UNKNOWN_FLAG; 160 return false; 161 } 162 163 if (notify_reset) { 164 *error = __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE; 165 return false; 166 } 167 168 assert(glVisual); 169 assert(driContextPriv); 170 assert(screen); 171 172 /* Allocate the Radeon context */ 173 rmesa = calloc(1, sizeof(*rmesa)); 174 if ( !rmesa ) { 175 *error = __DRI_CTX_ERROR_NO_MEMORY; 176 return GL_FALSE; 177 } 178 179 rmesa->radeon.radeonScreen = screen; 180 r100_init_vtbl(&rmesa->radeon); 181 182 /* init exp fog table data */ 183 radeonInitStaticFogData(); 184 185 /* Parse configuration files. 186 * Do this here so that initialMaxAnisotropy is set before we create 187 * the default textures. 188 */ 189 driParseConfigFiles (&rmesa->radeon.optionCache, &screen->optionCache, 190 screen->driScreen->myNum, "radeon"); 191 rmesa->radeon.initialMaxAnisotropy = driQueryOptionf(&rmesa->radeon.optionCache, 192 "def_max_anisotropy"); 193 194 if (driQueryOptionb(&rmesa->radeon.optionCache, "hyperz")) 195 rmesa->using_hyperz = GL_TRUE; 196 197 /* Init default driver functions then plug in our Radeon-specific functions 198 * (the texture functions are especially important) 199 */ 200 _mesa_init_driver_functions( &functions ); 201 radeonInitTextureFuncs( &rmesa->radeon, &functions ); 202 radeonInitQueryObjFunctions(&functions); 203 204 if (!radeonInitContext(&rmesa->radeon, api, &functions, 205 glVisual, driContextPriv, 206 sharedContextPrivate)) { 207 free(rmesa); 208 *error = __DRI_CTX_ERROR_NO_MEMORY; 209 return GL_FALSE; 210 } 211 212 rmesa->radeon.swtcl.RenderIndex = ~0; 213 rmesa->radeon.hw.all_dirty = GL_TRUE; 214 215 ctx = &rmesa->radeon.glCtx; 216 217 driContextSetFlags(ctx, flags); 218 219 /* Initialize the software rasterizer and helper modules. 220 */ 221 _swrast_CreateContext( ctx ); 222 _vbo_CreateContext( ctx ); 223 _tnl_CreateContext( ctx ); 224 _swsetup_CreateContext( ctx ); 225 _ae_create_context( ctx ); 226 227 ctx->Const.MaxTextureUnits = driQueryOptioni (&rmesa->radeon.optionCache, 228 "texture_units"); 229 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits = ctx->Const.MaxTextureUnits; 230 ctx->Const.MaxTextureCoordUnits = ctx->Const.MaxTextureUnits; 231 ctx->Const.MaxCombinedTextureImageUnits = ctx->Const.MaxTextureUnits; 232 233 ctx->Const.StripTextureBorder = GL_TRUE; 234 235 /* FIXME: When no memory manager is available we should set this 236 * to some reasonable value based on texture memory pool size */ 237 ctx->Const.MaxTextureLevels = 12; 238 ctx->Const.Max3DTextureLevels = 9; 239 ctx->Const.MaxCubeTextureLevels = 12; 240 ctx->Const.MaxTextureRectSize = 2048; 241 242 ctx->Const.MaxTextureMaxAnisotropy = 16.0; 243 244 /* No wide points. 245 */ 246 ctx->Const.MinPointSize = 1.0; 247 ctx->Const.MinPointSizeAA = 1.0; 248 ctx->Const.MaxPointSize = 1.0; 249 ctx->Const.MaxPointSizeAA = 1.0; 250 251 ctx->Const.MinLineWidth = 1.0; 252 ctx->Const.MinLineWidthAA = 1.0; 253 ctx->Const.MaxLineWidth = 10.0; 254 ctx->Const.MaxLineWidthAA = 10.0; 255 ctx->Const.LineWidthGranularity = 0.0625; 256 257 /* Set maxlocksize (and hence vb size) small enough to avoid 258 * fallbacks in radeon_tcl.c. ie. guarentee that all vertices can 259 * fit in a single dma buffer for indexed rendering of quad strips, 260 * etc. 261 */ 262 ctx->Const.MaxArrayLockSize = 263 MIN2( ctx->Const.MaxArrayLockSize, 264 RADEON_BUFFER_SIZE / RADEON_MAX_TCL_VERTSIZE ); 265 266 rmesa->boxes = 0; 267 268 ctx->Const.MaxDrawBuffers = 1; 269 ctx->Const.MaxColorAttachments = 1; 270 ctx->Const.MaxRenderbufferSize = 2048; 271 272 ctx->Const.ShaderCompilerOptions[MESA_SHADER_VERTEX].OptimizeForAOS = true; 273 274 /* Install the customized pipeline: 275 */ 276 _tnl_destroy_pipeline( ctx ); 277 _tnl_install_pipeline( ctx, radeon_pipeline ); 278 279 /* Try and keep materials and vertices separate: 280 */ 281 /* _tnl_isolate_materials( ctx, GL_TRUE ); */ 282 283 /* Configure swrast and T&L to match hardware characteristics: 284 */ 285 _swrast_allow_pixel_fog( ctx, GL_FALSE ); 286 _swrast_allow_vertex_fog( ctx, GL_TRUE ); 287 _tnl_allow_pixel_fog( ctx, GL_FALSE ); 288 _tnl_allow_vertex_fog( ctx, GL_TRUE ); 289 290 291 for ( i = 0 ; i < RADEON_MAX_TEXTURE_UNITS ; i++ ) { 292 _math_matrix_ctr( &rmesa->TexGenMatrix[i] ); 293 _math_matrix_ctr( &rmesa->tmpmat[i] ); 294 _math_matrix_set_identity( &rmesa->TexGenMatrix[i] ); 295 _math_matrix_set_identity( &rmesa->tmpmat[i] ); 296 } 297 298 ctx->Extensions.ARB_occlusion_query = true; 299 ctx->Extensions.ARB_texture_border_clamp = true; 300 ctx->Extensions.ARB_texture_cube_map = true; 301 ctx->Extensions.ARB_texture_env_combine = true; 302 ctx->Extensions.ARB_texture_env_crossbar = true; 303 ctx->Extensions.ARB_texture_env_dot3 = true; 304 ctx->Extensions.ARB_texture_mirror_clamp_to_edge = true; 305 ctx->Extensions.ATI_texture_env_combine3 = true; 306 ctx->Extensions.ATI_texture_mirror_once = true; 307 ctx->Extensions.EXT_texture_env_dot3 = true; 308 ctx->Extensions.EXT_texture_filter_anisotropic = true; 309 ctx->Extensions.EXT_texture_mirror_clamp = true; 310 ctx->Extensions.MESA_ycbcr_texture = true; 311 ctx->Extensions.NV_texture_rectangle = true; 312 ctx->Extensions.OES_EGL_image = true; 313 314 if (rmesa->radeon.glCtx.Mesa_DXTn) { 315 ctx->Extensions.EXT_texture_compression_s3tc = true; 316 ctx->Extensions.ANGLE_texture_compression_dxt = true; 317 } 318 else if (driQueryOptionb (&rmesa->radeon.optionCache, "force_s3tc_enable")) { 319 ctx->Extensions.EXT_texture_compression_s3tc = true; 320 ctx->Extensions.ANGLE_texture_compression_dxt = true; 321 } 322 323 /* XXX these should really go right after _mesa_init_driver_functions() */ 324 radeon_fbo_init(&rmesa->radeon); 325 radeonInitSpanFuncs( ctx ); 326 radeonInitIoctlFuncs( ctx ); 327 radeonInitStateFuncs( ctx ); 328 radeonInitState( rmesa ); 329 radeonInitSwtcl( ctx ); 330 331 _mesa_vector4f_alloc( &rmesa->tcl.ObjClean, 0, 332 ctx->Const.MaxArrayLockSize, 32 ); 333 334 fthrottle_mode = driQueryOptioni(&rmesa->radeon.optionCache, "fthrottle_mode"); 335 rmesa->radeon.iw.irq_seq = -1; 336 rmesa->radeon.irqsEmitted = 0; 337 rmesa->radeon.do_irqs = (rmesa->radeon.radeonScreen->irq != 0 && 338 fthrottle_mode == DRI_CONF_FTHROTTLE_IRQS); 339 340 rmesa->radeon.do_usleeps = (fthrottle_mode == DRI_CONF_FTHROTTLE_USLEEPS); 341 342 343 #if DO_DEBUG 344 RADEON_DEBUG = parse_debug_string( getenv( "RADEON_DEBUG" ), 345 debug_control ); 346 #endif 347 348 tcl_mode = driQueryOptioni(&rmesa->radeon.optionCache, "tcl_mode"); 349 if (driQueryOptionb(&rmesa->radeon.optionCache, "no_rast")) { 350 fprintf(stderr, "disabling 3D acceleration\n"); 351 FALLBACK(rmesa, RADEON_FALLBACK_DISABLE, 1); 352 } else if (tcl_mode == DRI_CONF_TCL_SW || 353 !(rmesa->radeon.radeonScreen->chip_flags & RADEON_CHIPSET_TCL)) { 354 if (rmesa->radeon.radeonScreen->chip_flags & RADEON_CHIPSET_TCL) { 355 rmesa->radeon.radeonScreen->chip_flags &= ~RADEON_CHIPSET_TCL; 356 fprintf(stderr, "Disabling HW TCL support\n"); 357 } 358 TCL_FALLBACK(&rmesa->radeon.glCtx, RADEON_TCL_FALLBACK_TCL_DISABLE, 1); 359 } 360 361 if (rmesa->radeon.radeonScreen->chip_flags & RADEON_CHIPSET_TCL) { 362 /* _tnl_need_dlist_norm_lengths( ctx, GL_FALSE ); */ 363 } 364 365 _mesa_compute_version(ctx); 366 367 /* Exec table initialization requires the version to be computed */ 368 _mesa_initialize_dispatch_tables(ctx); 369 _mesa_initialize_vbo_vtxfmt(ctx); 370 371 *error = __DRI_CTX_ERROR_SUCCESS; 372 return GL_TRUE; 373 } 374