1 /* 2 Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved. 3 4 The Weather Channel (TM) funded Tungsten Graphics to develop the 5 initial release of the Radeon 8500 driver under the XFree86 license. 6 This notice must be preserved. 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 * Keith Whitwell <keithw (at) vmware.com> 33 */ 34 35 #include <stdbool.h> 36 #include "main/glheader.h" 37 #include "main/api_arrayelt.h" 38 #include "main/api_exec.h" 39 #include "main/context.h" 40 #include "main/imports.h" 41 #include "main/extensions.h" 42 #include "main/version.h" 43 #include "main/vtxfmt.h" 44 45 #include "swrast/swrast.h" 46 #include "swrast_setup/swrast_setup.h" 47 #include "vbo/vbo.h" 48 49 #include "tnl/tnl.h" 50 #include "tnl/t_pipeline.h" 51 52 #include "drivers/common/driverfuncs.h" 53 54 #include "r200_context.h" 55 #include "r200_ioctl.h" 56 #include "r200_state.h" 57 #include "r200_tex.h" 58 #include "r200_swtcl.h" 59 #include "r200_tcl.h" 60 #include "r200_vertprog.h" 61 #include "radeon_queryobj.h" 62 #include "r200_blit.h" 63 #include "radeon_fog.h" 64 65 #include "radeon_span.h" 66 67 #include "utils.h" 68 #include "util/xmlpool.h" /* for symbolic values of enum-type options */ 69 70 /* Return various strings for glGetString(). 71 */ 72 static const GLubyte *r200GetString( struct gl_context *ctx, GLenum name ) 73 { 74 r200ContextPtr rmesa = R200_CONTEXT(ctx); 75 static char buffer[128]; 76 unsigned offset; 77 GLuint agp_mode = (rmesa->radeon.radeonScreen->card_type == RADEON_CARD_PCI)? 0 : 78 rmesa->radeon.radeonScreen->AGPMode; 79 80 switch ( name ) { 81 case GL_VENDOR: 82 return (GLubyte *)"Mesa Project"; 83 84 case GL_RENDERER: 85 offset = driGetRendererString( buffer, "R200", agp_mode ); 86 87 sprintf( & buffer[ offset ], " %sTCL", 88 !(rmesa->radeon.TclFallback & R200_TCL_FALLBACK_TCL_DISABLE) 89 ? "" : "NO-" ); 90 91 return (GLubyte *)buffer; 92 93 default: 94 return NULL; 95 } 96 } 97 98 99 extern const struct tnl_pipeline_stage _r200_render_stage; 100 extern const struct tnl_pipeline_stage _r200_tcl_stage; 101 102 static const struct tnl_pipeline_stage *r200_pipeline[] = { 103 104 /* Try and go straight to t&l 105 */ 106 &_r200_tcl_stage, 107 108 /* Catch any t&l fallbacks 109 */ 110 &_tnl_vertex_transform_stage, 111 &_tnl_normal_transform_stage, 112 &_tnl_lighting_stage, 113 &_tnl_fog_coordinate_stage, 114 &_tnl_texgen_stage, 115 &_tnl_texture_transform_stage, 116 &_tnl_point_attenuation_stage, 117 &_tnl_vertex_program_stage, 118 /* Try again to go to tcl? 119 * - no good for asymmetric-twoside (do with multipass) 120 * - no good for asymmetric-unfilled (do with multipass) 121 * - good for material 122 * - good for texgen 123 * - need to manipulate a bit of state 124 * 125 * - worth it/not worth it? 126 */ 127 128 /* Else do them here. 129 */ 130 /* &_r200_render_stage, */ /* FIXME: bugs with ut2003 */ 131 &_tnl_render_stage, /* FALLBACK: */ 132 NULL, 133 }; 134 135 136 137 /* Initialize the driver's misc functions. 138 */ 139 static void r200InitDriverFuncs( struct dd_function_table *functions ) 140 { 141 functions->GetString = r200GetString; 142 } 143 144 145 static void r200_emit_query_finish(radeonContextPtr radeon) 146 { 147 BATCH_LOCALS(radeon); 148 struct radeon_query_object *query = radeon->query.current; 149 150 BEGIN_BATCH(4); 151 OUT_BATCH(CP_PACKET0(RADEON_RB3D_ZPASS_ADDR, 0)); 152 OUT_BATCH_RELOC(0, query->bo, query->curr_offset, 0, RADEON_GEM_DOMAIN_GTT, 0); 153 END_BATCH(); 154 query->curr_offset += sizeof(uint32_t); 155 assert(query->curr_offset < RADEON_QUERY_PAGE_SIZE); 156 query->emitted_begin = GL_FALSE; 157 } 158 159 static void r200_init_vtbl(radeonContextPtr radeon) 160 { 161 radeon->vtbl.swtcl_flush = r200_swtcl_flush; 162 radeon->vtbl.fallback = r200Fallback; 163 radeon->vtbl.update_scissor = r200_vtbl_update_scissor; 164 radeon->vtbl.emit_query_finish = r200_emit_query_finish; 165 radeon->vtbl.check_blit = r200_check_blit; 166 radeon->vtbl.blit = r200_blit; 167 radeon->vtbl.is_format_renderable = radeonIsFormatRenderable; 168 radeon->vtbl.revalidate_all_buffers = r200ValidateBuffers; 169 } 170 171 172 /* Create the device specific rendering context. 173 */ 174 GLboolean r200CreateContext( gl_api api, 175 const struct gl_config *glVisual, 176 __DRIcontext *driContextPriv, 177 const struct __DriverContextConfig *ctx_config, 178 unsigned *error, 179 void *sharedContextPrivate) 180 { 181 __DRIscreen *sPriv = driContextPriv->driScreenPriv; 182 radeonScreenPtr screen = (radeonScreenPtr)(sPriv->driverPrivate); 183 struct dd_function_table functions; 184 r200ContextPtr rmesa; 185 struct gl_context *ctx; 186 int i; 187 int tcl_mode; 188 189 if (ctx_config->flags & ~(__DRI_CTX_FLAG_DEBUG | __DRI_CTX_FLAG_NO_ERROR)) { 190 *error = __DRI_CTX_ERROR_UNKNOWN_FLAG; 191 return false; 192 } 193 194 if (ctx_config->attribute_mask) { 195 *error = __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE; 196 return false; 197 } 198 199 assert(driContextPriv); 200 assert(screen); 201 202 /* Allocate the R200 context */ 203 rmesa = calloc(1, sizeof(*rmesa)); 204 if ( !rmesa ) { 205 *error = __DRI_CTX_ERROR_NO_MEMORY; 206 return GL_FALSE; 207 } 208 209 rmesa->radeon.radeonScreen = screen; 210 r200_init_vtbl(&rmesa->radeon); 211 /* init exp fog table data */ 212 radeonInitStaticFogData(); 213 214 /* Parse configuration files. 215 * Do this here so that initialMaxAnisotropy is set before we create 216 * the default textures. 217 */ 218 driParseConfigFiles (&rmesa->radeon.optionCache, &screen->optionCache, 219 screen->driScreen->myNum, "r200"); 220 rmesa->radeon.initialMaxAnisotropy = driQueryOptionf(&rmesa->radeon.optionCache, 221 "def_max_anisotropy"); 222 223 if (driQueryOptionb( &rmesa->radeon.optionCache, "hyperz")) 224 rmesa->using_hyperz = GL_TRUE; 225 226 /* Init default driver functions then plug in our R200-specific functions 227 * (the texture functions are especially important) 228 */ 229 _mesa_init_driver_functions(&functions); 230 r200InitDriverFuncs(&functions); 231 r200InitIoctlFuncs(&functions); 232 r200InitStateFuncs(&rmesa->radeon, &functions); 233 r200InitTextureFuncs(&rmesa->radeon, &functions); 234 r200InitShaderFuncs(&functions); 235 radeonInitQueryObjFunctions(&functions); 236 237 if (!radeonInitContext(&rmesa->radeon, api, &functions, 238 glVisual, driContextPriv, 239 sharedContextPrivate)) { 240 free(rmesa); 241 *error = __DRI_CTX_ERROR_NO_MEMORY; 242 return GL_FALSE; 243 } 244 245 rmesa->radeon.swtcl.RenderIndex = ~0; 246 rmesa->radeon.hw.all_dirty = 1; 247 248 ctx = &rmesa->radeon.glCtx; 249 250 driContextSetFlags(ctx, ctx_config->flags); 251 252 /* Initialize the software rasterizer and helper modules. 253 */ 254 _swrast_CreateContext( ctx ); 255 _vbo_CreateContext( ctx ); 256 _tnl_CreateContext( ctx ); 257 _swsetup_CreateContext( ctx ); 258 _ae_create_context( ctx ); 259 260 ctx->Const.MaxTextureUnits = driQueryOptioni (&rmesa->radeon.optionCache, 261 "texture_units"); 262 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits = ctx->Const.MaxTextureUnits; 263 ctx->Const.MaxTextureCoordUnits = ctx->Const.MaxTextureUnits; 264 265 ctx->Const.MaxCombinedTextureImageUnits = ctx->Const.MaxTextureUnits; 266 267 ctx->Const.StripTextureBorder = GL_TRUE; 268 269 /* FIXME: When no memory manager is available we should set this 270 * to some reasonable value based on texture memory pool size */ 271 ctx->Const.MaxTextureLevels = 12; 272 ctx->Const.Max3DTextureLevels = 9; 273 ctx->Const.MaxCubeTextureLevels = 12; 274 ctx->Const.MaxTextureRectSize = 2048; 275 ctx->Const.MaxRenderbufferSize = 2048; 276 277 ctx->Const.MaxTextureMaxAnisotropy = 16.0; 278 279 /* No wide AA points. 280 */ 281 ctx->Const.MinPointSize = 1.0; 282 ctx->Const.MinPointSizeAA = 1.0; 283 ctx->Const.MaxPointSizeAA = 1.0; 284 ctx->Const.PointSizeGranularity = 0.0625; 285 ctx->Const.MaxPointSize = 2047.0; 286 287 /* mesa initialization problem - _mesa_init_point was already called */ 288 ctx->Point.MaxSize = ctx->Const.MaxPointSize; 289 290 ctx->Const.MinLineWidth = 1.0; 291 ctx->Const.MinLineWidthAA = 1.0; 292 ctx->Const.MaxLineWidth = 10.0; 293 ctx->Const.MaxLineWidthAA = 10.0; 294 ctx->Const.LineWidthGranularity = 0.0625; 295 296 ctx->Const.Program[MESA_SHADER_VERTEX].MaxNativeInstructions = R200_VSF_MAX_INST; 297 ctx->Const.Program[MESA_SHADER_VERTEX].MaxNativeAttribs = 12; 298 ctx->Const.Program[MESA_SHADER_VERTEX].MaxNativeTemps = R200_VSF_MAX_TEMPS; 299 ctx->Const.Program[MESA_SHADER_VERTEX].MaxNativeParameters = R200_VSF_MAX_PARAM; 300 ctx->Const.Program[MESA_SHADER_VERTEX].MaxNativeAddressRegs = 1; 301 302 ctx->Const.MaxDrawBuffers = 1; 303 ctx->Const.MaxColorAttachments = 1; 304 305 ctx->Const.ShaderCompilerOptions[MESA_SHADER_VERTEX].OptimizeForAOS = GL_TRUE; 306 307 /* Install the customized pipeline: 308 */ 309 _tnl_destroy_pipeline( ctx ); 310 _tnl_install_pipeline( ctx, r200_pipeline ); 311 312 /* Try and keep materials and vertices separate: 313 */ 314 /* _tnl_isolate_materials( ctx, GL_TRUE ); */ 315 316 317 /* Configure swrast and TNL to match hardware characteristics: 318 */ 319 _swrast_allow_pixel_fog( ctx, GL_FALSE ); 320 _swrast_allow_vertex_fog( ctx, GL_TRUE ); 321 _tnl_allow_pixel_fog( ctx, GL_FALSE ); 322 _tnl_allow_vertex_fog( ctx, GL_TRUE ); 323 324 325 for ( i = 0 ; i < R200_MAX_TEXTURE_UNITS ; i++ ) { 326 _math_matrix_ctr( &rmesa->TexGenMatrix[i] ); 327 _math_matrix_set_identity( &rmesa->TexGenMatrix[i] ); 328 } 329 _math_matrix_ctr( &rmesa->tmpmat ); 330 _math_matrix_set_identity( &rmesa->tmpmat ); 331 332 ctx->Extensions.ARB_occlusion_query = true; 333 ctx->Extensions.ARB_point_sprite = true; 334 ctx->Extensions.ARB_texture_border_clamp = true; 335 ctx->Extensions.ARB_texture_cube_map = true; 336 ctx->Extensions.ARB_texture_env_combine = true; 337 ctx->Extensions.ARB_texture_env_dot3 = true; 338 ctx->Extensions.ARB_texture_env_crossbar = true; 339 ctx->Extensions.ARB_texture_filter_anisotropic = true; 340 ctx->Extensions.ARB_texture_mirror_clamp_to_edge = true; 341 ctx->Extensions.ARB_vertex_program = true; 342 ctx->Extensions.ATI_fragment_shader = (ctx->Const.MaxTextureUnits == 6); 343 ctx->Extensions.ATI_texture_env_combine3 = true; 344 ctx->Extensions.ATI_texture_mirror_once = true; 345 ctx->Extensions.EXT_blend_color = true; 346 ctx->Extensions.EXT_blend_equation_separate = true; 347 ctx->Extensions.EXT_blend_func_separate = true; 348 ctx->Extensions.EXT_blend_minmax = true; 349 ctx->Extensions.EXT_gpu_program_parameters = true; 350 ctx->Extensions.EXT_point_parameters = true; 351 ctx->Extensions.EXT_texture_env_dot3 = true; 352 ctx->Extensions.EXT_texture_filter_anisotropic = true; 353 ctx->Extensions.EXT_texture_mirror_clamp = true; 354 ctx->Extensions.MESA_pack_invert = true; 355 ctx->Extensions.NV_texture_rectangle = true; 356 ctx->Extensions.OES_EGL_image = true; 357 358 if (!(rmesa->radeon.radeonScreen->chip_flags & R200_CHIPSET_YCBCR_BROKEN)) { 359 /* yuv textures don't work with some chips - R200 / rv280 okay so far 360 others get the bit ordering right but don't actually do YUV-RGB conversion */ 361 ctx->Extensions.MESA_ycbcr_texture = true; 362 } 363 ctx->Extensions.EXT_texture_compression_s3tc = true; 364 ctx->Extensions.ANGLE_texture_compression_dxt = true; 365 366 #if 0 367 r200InitDriverFuncs( ctx ); 368 r200InitIoctlFuncs( ctx ); 369 r200InitStateFuncs( ctx ); 370 r200InitTextureFuncs( ctx ); 371 #endif 372 /* plug in a few more device driver functions */ 373 /* XXX these should really go right after _mesa_init_driver_functions() */ 374 radeon_fbo_init(&rmesa->radeon); 375 radeonInitSpanFuncs( ctx ); 376 r200InitTnlFuncs( ctx ); 377 r200InitState( rmesa ); 378 r200InitSwtcl( ctx ); 379 380 rmesa->prefer_gart_client_texturing = 381 (getenv("R200_GART_CLIENT_TEXTURES") != 0); 382 383 tcl_mode = driQueryOptioni(&rmesa->radeon.optionCache, "tcl_mode"); 384 if (driQueryOptionb(&rmesa->radeon.optionCache, "no_rast")) { 385 fprintf(stderr, "disabling 3D acceleration\n"); 386 FALLBACK(rmesa, R200_FALLBACK_DISABLE, 1); 387 } 388 else if (tcl_mode == DRI_CONF_TCL_SW || getenv("R200_NO_TCL") || 389 !(rmesa->radeon.radeonScreen->chip_flags & RADEON_CHIPSET_TCL)) { 390 if (rmesa->radeon.radeonScreen->chip_flags & RADEON_CHIPSET_TCL) { 391 rmesa->radeon.radeonScreen->chip_flags &= ~RADEON_CHIPSET_TCL; 392 fprintf(stderr, "Disabling HW TCL support\n"); 393 } 394 TCL_FALLBACK(&rmesa->radeon.glCtx, R200_TCL_FALLBACK_TCL_DISABLE, 1); 395 } 396 397 _mesa_override_extensions(ctx); 398 _mesa_compute_version(ctx); 399 400 /* Exec table initialization requires the version to be computed */ 401 _mesa_initialize_dispatch_tables(ctx); 402 _mesa_initialize_vbo_vtxfmt(ctx); 403 404 *error = __DRI_CTX_ERROR_SUCCESS; 405 return GL_TRUE; 406 } 407 408 409 void r200DestroyContext( __DRIcontext *driContextPriv ) 410 { 411 int i; 412 r200ContextPtr rmesa = (r200ContextPtr)driContextPriv->driverPrivate; 413 if (rmesa) 414 { 415 for ( i = 0 ; i < R200_MAX_TEXTURE_UNITS ; i++ ) { 416 _math_matrix_dtr( &rmesa->TexGenMatrix[i] ); 417 } 418 } 419 radeonDestroyContext(driContextPriv); 420 } 421