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@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
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/driconf.h" /* for symbolic values of enum-type options */
69 #include "util/u_memory.h"
70
71 /* Return various strings for glGetString().
72 */
r200GetString(struct gl_context * ctx,GLenum name)73 static const GLubyte *r200GetString( struct gl_context *ctx, GLenum name )
74 {
75 r200ContextPtr rmesa = R200_CONTEXT(ctx);
76 static char buffer[128];
77 unsigned offset;
78 GLuint agp_mode = (rmesa->radeon.radeonScreen->card_type == RADEON_CARD_PCI)? 0 :
79 rmesa->radeon.radeonScreen->AGPMode;
80
81 switch ( name ) {
82 case GL_VENDOR:
83 return (GLubyte *)"Mesa Project";
84
85 case GL_RENDERER:
86 offset = driGetRendererString( buffer, "R200", agp_mode );
87
88 sprintf( & buffer[ offset ], " %sTCL",
89 !(rmesa->radeon.TclFallback & R200_TCL_FALLBACK_TCL_DISABLE)
90 ? "" : "NO-" );
91
92 return (GLubyte *)buffer;
93
94 default:
95 return NULL;
96 }
97 }
98
99
100 extern const struct tnl_pipeline_stage _r200_render_stage;
101 extern const struct tnl_pipeline_stage _r200_tcl_stage;
102
103 static const struct tnl_pipeline_stage *r200_pipeline[] = {
104
105 /* Try and go straight to t&l
106 */
107 &_r200_tcl_stage,
108
109 /* Catch any t&l fallbacks
110 */
111 &_tnl_vertex_transform_stage,
112 &_tnl_normal_transform_stage,
113 &_tnl_lighting_stage,
114 &_tnl_fog_coordinate_stage,
115 &_tnl_texgen_stage,
116 &_tnl_texture_transform_stage,
117 &_tnl_point_attenuation_stage,
118 &_tnl_vertex_program_stage,
119 /* Try again to go to tcl?
120 * - no good for asymmetric-twoside (do with multipass)
121 * - no good for asymmetric-unfilled (do with multipass)
122 * - good for material
123 * - good for texgen
124 * - need to manipulate a bit of state
125 *
126 * - worth it/not worth it?
127 */
128
129 /* Else do them here.
130 */
131 /* &_r200_render_stage, */ /* FIXME: bugs with ut2003 */
132 &_tnl_render_stage, /* FALLBACK: */
133 NULL,
134 };
135
136
137
138 /* Initialize the driver's misc functions.
139 */
r200InitDriverFuncs(struct dd_function_table * functions)140 static void r200InitDriverFuncs( struct dd_function_table *functions )
141 {
142 functions->GetString = r200GetString;
143 }
144
145
r200_emit_query_finish(radeonContextPtr radeon)146 static void r200_emit_query_finish(radeonContextPtr radeon)
147 {
148 BATCH_LOCALS(radeon);
149 struct radeon_query_object *query = radeon->query.current;
150
151 BEGIN_BATCH(4);
152 OUT_BATCH(CP_PACKET0(RADEON_RB3D_ZPASS_ADDR, 0));
153 OUT_BATCH_RELOC(query->bo, query->curr_offset, 0, RADEON_GEM_DOMAIN_GTT, 0);
154 END_BATCH();
155 query->curr_offset += sizeof(uint32_t);
156 assert(query->curr_offset < RADEON_QUERY_PAGE_SIZE);
157 query->emitted_begin = GL_FALSE;
158 }
159
r200_init_vtbl(radeonContextPtr radeon)160 static void r200_init_vtbl(radeonContextPtr radeon)
161 {
162 radeon->vtbl.swtcl_flush = r200_swtcl_flush;
163 radeon->vtbl.fallback = r200Fallback;
164 radeon->vtbl.update_scissor = r200_vtbl_update_scissor;
165 radeon->vtbl.emit_query_finish = r200_emit_query_finish;
166 radeon->vtbl.check_blit = r200_check_blit;
167 radeon->vtbl.blit = r200_blit;
168 radeon->vtbl.is_format_renderable = radeonIsFormatRenderable;
169 radeon->vtbl.revalidate_all_buffers = r200ValidateBuffers;
170 }
171
172
173 /* Create the device specific rendering context.
174 */
r200CreateContext(gl_api api,const struct gl_config * glVisual,__DRIcontext * driContextPriv,const struct __DriverContextConfig * ctx_config,unsigned * error,void * sharedContextPrivate)175 GLboolean r200CreateContext( gl_api api,
176 const struct gl_config *glVisual,
177 __DRIcontext *driContextPriv,
178 const struct __DriverContextConfig *ctx_config,
179 unsigned *error,
180 void *sharedContextPrivate)
181 {
182 __DRIscreen *sPriv = driContextPriv->driScreenPriv;
183 radeonScreenPtr screen = (radeonScreenPtr)(sPriv->driverPrivate);
184 struct dd_function_table functions;
185 r200ContextPtr rmesa;
186 struct gl_context *ctx;
187 int i;
188 int tcl_mode;
189
190 if (ctx_config->flags & ~(__DRI_CTX_FLAG_DEBUG | __DRI_CTX_FLAG_NO_ERROR)) {
191 *error = __DRI_CTX_ERROR_UNKNOWN_FLAG;
192 return false;
193 }
194
195 if (ctx_config->attribute_mask) {
196 *error = __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE;
197 return false;
198 }
199
200 assert(driContextPriv);
201 assert(screen);
202
203 /* Allocate the R200 context */
204 rmesa = align_calloc(sizeof(*rmesa), 16);
205 if ( !rmesa ) {
206 *error = __DRI_CTX_ERROR_NO_MEMORY;
207 return GL_FALSE;
208 }
209
210 rmesa->radeon.radeonScreen = screen;
211 r200_init_vtbl(&rmesa->radeon);
212 /* init exp fog table data */
213 radeonInitStaticFogData();
214
215 /* Parse configuration files.
216 * Do this here so that initialMaxAnisotropy is set before we create
217 * the default textures.
218 */
219 driParseConfigFiles (&rmesa->radeon.optionCache, &screen->optionCache,
220 screen->driScreen->myNum, "r200", NULL, NULL, NULL, 0, NULL, 0);
221 rmesa->radeon.initialMaxAnisotropy = driQueryOptionf(&rmesa->radeon.optionCache,
222 "def_max_anisotropy");
223
224 if (driQueryOptionb( &rmesa->radeon.optionCache, "hyperz"))
225 rmesa->using_hyperz = GL_TRUE;
226
227 /* Init default driver functions then plug in our R200-specific functions
228 * (the texture functions are especially important)
229 */
230 _mesa_init_driver_functions(&functions);
231 _tnl_init_driver_draw_function(&functions);
232 r200InitDriverFuncs(&functions);
233 r200InitIoctlFuncs(&functions);
234 r200InitStateFuncs(&rmesa->radeon, &functions);
235 r200InitTextureFuncs(&rmesa->radeon, &functions);
236 r200InitShaderFuncs(&functions);
237 radeonInitQueryObjFunctions(&functions);
238
239 if (!radeonInitContext(&rmesa->radeon, api, &functions,
240 glVisual, driContextPriv,
241 sharedContextPrivate)) {
242 align_free(rmesa);
243 *error = __DRI_CTX_ERROR_NO_MEMORY;
244 return GL_FALSE;
245 }
246
247 rmesa->radeon.swtcl.RenderIndex = ~0;
248 rmesa->radeon.hw.all_dirty = 1;
249
250 ctx = &rmesa->radeon.glCtx;
251
252 driContextSetFlags(ctx, ctx_config->flags);
253
254 /* Initialize the software rasterizer and helper modules.
255 */
256 _swrast_CreateContext( ctx );
257 _vbo_CreateContext( ctx, false );
258 _tnl_CreateContext( ctx );
259 _swsetup_CreateContext( ctx );
260
261 ctx->Const.MaxTextureUnits = driQueryOptioni (&rmesa->radeon.optionCache,
262 "texture_units");
263 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits = ctx->Const.MaxTextureUnits;
264 ctx->Const.MaxTextureCoordUnits = ctx->Const.MaxTextureUnits;
265
266 ctx->Const.MaxCombinedTextureImageUnits = ctx->Const.MaxTextureUnits;
267
268 ctx->Const.StripTextureBorder = GL_TRUE;
269
270 /* FIXME: When no memory manager is available we should set this
271 * to some reasonable value based on texture memory pool size */
272 ctx->Const.MaxTextureSize = 2048;
273 ctx->Const.Max3DTextureLevels = 9;
274 ctx->Const.MaxCubeTextureLevels = 12;
275 ctx->Const.MaxTextureRectSize = 2048;
276 ctx->Const.MaxRenderbufferSize = 2048;
277
278 ctx->Const.MaxTextureMaxAnisotropy = 16.0;
279
280 /* No wide AA points.
281 */
282 ctx->Const.MinPointSize = 1.0;
283 ctx->Const.MinPointSizeAA = 1.0;
284 ctx->Const.MaxPointSizeAA = 1.0;
285 ctx->Const.PointSizeGranularity = 0.0625;
286 ctx->Const.MaxPointSize = 2047.0;
287
288 /* mesa initialization problem - _mesa_init_point was already called */
289 ctx->Point.MaxSize = ctx->Const.MaxPointSize;
290
291 ctx->Const.MinLineWidth = 1.0;
292 ctx->Const.MinLineWidthAA = 1.0;
293 ctx->Const.MaxLineWidth = 10.0;
294 ctx->Const.MaxLineWidthAA = 10.0;
295 ctx->Const.LineWidthGranularity = 0.0625;
296
297 ctx->Const.Program[MESA_SHADER_VERTEX].MaxNativeInstructions = R200_VSF_MAX_INST;
298 ctx->Const.Program[MESA_SHADER_VERTEX].MaxNativeAttribs = 12;
299 ctx->Const.Program[MESA_SHADER_VERTEX].MaxNativeTemps = R200_VSF_MAX_TEMPS;
300 ctx->Const.Program[MESA_SHADER_VERTEX].MaxNativeParameters = R200_VSF_MAX_PARAM;
301 ctx->Const.Program[MESA_SHADER_VERTEX].MaxNativeAddressRegs = 1;
302
303 ctx->Const.MaxDrawBuffers = 1;
304 ctx->Const.MaxColorAttachments = 1;
305
306 ctx->Const.ShaderCompilerOptions[MESA_SHADER_VERTEX].OptimizeForAOS = GL_TRUE;
307
308 /* Install the customized pipeline:
309 */
310 _tnl_destroy_pipeline( ctx );
311 _tnl_install_pipeline( ctx, r200_pipeline );
312
313 /* Try and keep materials and vertices separate:
314 */
315 /* _tnl_isolate_materials( ctx, GL_TRUE ); */
316
317
318 /* Configure swrast and TNL to match hardware characteristics:
319 */
320 _swrast_allow_pixel_fog( ctx, GL_FALSE );
321 _swrast_allow_vertex_fog( ctx, GL_TRUE );
322 _tnl_allow_pixel_fog( ctx, GL_FALSE );
323 _tnl_allow_vertex_fog( ctx, GL_TRUE );
324
325
326 for ( i = 0 ; i < R200_MAX_TEXTURE_UNITS ; i++ ) {
327 _math_matrix_ctr( &rmesa->TexGenMatrix[i] );
328 _math_matrix_set_identity( &rmesa->TexGenMatrix[i] );
329 }
330 _math_matrix_ctr( &rmesa->tmpmat );
331 _math_matrix_set_identity( &rmesa->tmpmat );
332
333 ctx->Extensions.ARB_occlusion_query = true;
334 ctx->Extensions.ARB_point_sprite = true;
335 ctx->Extensions.ARB_texture_border_clamp = true;
336 ctx->Extensions.ARB_texture_cube_map = true;
337 ctx->Extensions.ARB_texture_env_combine = true;
338 ctx->Extensions.ARB_texture_env_dot3 = true;
339 ctx->Extensions.ARB_texture_env_crossbar = true;
340 ctx->Extensions.ARB_texture_filter_anisotropic = true;
341 ctx->Extensions.ARB_texture_mirror_clamp_to_edge = true;
342 ctx->Extensions.ARB_vertex_program = true;
343 ctx->Extensions.ATI_fragment_shader = (ctx->Const.MaxTextureUnits == 6);
344 ctx->Extensions.ATI_texture_env_combine3 = true;
345 ctx->Extensions.ATI_texture_mirror_once = true;
346 ctx->Extensions.EXT_blend_color = true;
347 ctx->Extensions.EXT_blend_equation_separate = true;
348 ctx->Extensions.EXT_blend_func_separate = true;
349 ctx->Extensions.EXT_blend_minmax = true;
350 ctx->Extensions.EXT_gpu_program_parameters = true;
351 ctx->Extensions.EXT_point_parameters = true;
352 ctx->Extensions.EXT_texture_env_dot3 = true;
353 ctx->Extensions.EXT_texture_filter_anisotropic = true;
354 ctx->Extensions.EXT_texture_mirror_clamp = true;
355 ctx->Extensions.NV_fog_distance = true;
356 ctx->Extensions.NV_texture_rectangle = true;
357 ctx->Extensions.OES_EGL_image = true;
358
359 if (!(rmesa->radeon.radeonScreen->chip_flags & R200_CHIPSET_YCBCR_BROKEN)) {
360 /* yuv textures don't work with some chips - R200 / rv280 okay so far
361 others get the bit ordering right but don't actually do YUV-RGB conversion */
362 ctx->Extensions.MESA_ycbcr_texture = true;
363 }
364 ctx->Extensions.EXT_texture_compression_s3tc = true;
365 ctx->Extensions.ANGLE_texture_compression_dxt = true;
366
367 #if 0
368 r200InitDriverFuncs( ctx );
369 r200InitIoctlFuncs( ctx );
370 r200InitStateFuncs( ctx );
371 r200InitTextureFuncs( ctx );
372 #endif
373 /* plug in a few more device driver functions */
374 /* XXX these should really go right after _mesa_init_driver_functions() */
375 radeon_fbo_init(&rmesa->radeon);
376 radeonInitSpanFuncs( ctx );
377 r200InitTnlFuncs( ctx );
378 r200InitState( rmesa );
379 r200InitSwtcl( ctx );
380
381 rmesa->prefer_gart_client_texturing =
382 (getenv("R200_GART_CLIENT_TEXTURES") != 0);
383
384 tcl_mode = driQueryOptioni(&rmesa->radeon.optionCache, "tcl_mode");
385 if (getenv("R200_NO_RAST")) {
386 fprintf(stderr, "disabling 3D acceleration\n");
387 FALLBACK(rmesa, R200_FALLBACK_DISABLE, 1);
388 }
389 else if (tcl_mode == DRI_CONF_TCL_SW || getenv("R200_NO_TCL") ||
390 !(rmesa->radeon.radeonScreen->chip_flags & RADEON_CHIPSET_TCL)) {
391 if (rmesa->radeon.radeonScreen->chip_flags & RADEON_CHIPSET_TCL) {
392 rmesa->radeon.radeonScreen->chip_flags &= ~RADEON_CHIPSET_TCL;
393 fprintf(stderr, "Disabling HW TCL support\n");
394 }
395 TCL_FALLBACK(&rmesa->radeon.glCtx, R200_TCL_FALLBACK_TCL_DISABLE, 1);
396 }
397
398 _mesa_override_extensions(ctx);
399 _mesa_compute_version(ctx);
400
401 /* Exec table initialization requires the version to be computed */
402 _mesa_initialize_dispatch_tables(ctx);
403 _mesa_initialize_vbo_vtxfmt(ctx);
404
405 *error = __DRI_CTX_ERROR_SUCCESS;
406 return GL_TRUE;
407 }
408
409
r200DestroyContext(__DRIcontext * driContextPriv)410 void r200DestroyContext( __DRIcontext *driContextPriv )
411 {
412 radeonDestroyContext(driContextPriv);
413 }
414