aboutsummaryrefslogtreecommitdiffstats
path: root/src/mesa/drivers/dri/r128/r128_screen.c
blob: cb3a147dbac636e3236ac45b94a7f5574a895a4b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
/**************************************************************************

Copyright 1999, 2000 ATI Technologies Inc. and Precision Insight, Inc.,
                                               Cedar Park, Texas.
All Rights Reserved.

Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
on the rights to use, copy, modify, merge, publish, distribute, sub
license, and/or sell copies of the Software, and to permit persons to whom
the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice (including the next
paragraph) shall be included in all copies or substantial portions of the
Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
ATI, PRECISION INSIGHT AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
USE OR OTHER DEALINGS IN THE SOFTWARE.

**************************************************************************/

/*
 * Authors:
 *   Gareth Hughes <gareth@valinux.com>
 *   Kevin E. Martin <martin@valinux.com>
 *
 */

#include "r128_dri.h"

#include "r128_context.h"
#include "r128_ioctl.h"
#include "r128_span.h"
#include "r128_tris.h"

#include "main/context.h"
#include "main/imports.h"
#include "main/framebuffer.h"
#include "main/renderbuffer.h"

#include "utils.h"
#include "vblank.h"

#include "GL/internal/dri_interface.h"

/* R128 configuration
 */
#include "xmlpool.h"

PUBLIC const char __driConfigOptions[] =
DRI_CONF_BEGIN
    DRI_CONF_SECTION_PERFORMANCE
        DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_0)
    DRI_CONF_SECTION_END
    DRI_CONF_SECTION_QUALITY
        DRI_CONF_TEXTURE_DEPTH(DRI_CONF_TEXTURE_DEPTH_FB)
    DRI_CONF_SECTION_END
    DRI_CONF_SECTION_DEBUG
        DRI_CONF_NO_RAST(false)
#if ENABLE_PERF_BOXES
        DRI_CONF_PERFORMANCE_BOXES(false)
#endif
    DRI_CONF_SECTION_END
DRI_CONF_END;
#if ENABLE_PERF_BOXES
static const GLuint __driNConfigOptions = 4;
#else
static const GLuint __driNConfigOptions = 3;
#endif

extern const struct dri_extension card_extensions[];

#if 1
/* Including xf86PciInfo.h introduces a bunch of errors...
 */
#define PCI_CHIP_RAGE128LE	0x4C45
#define PCI_CHIP_RAGE128LF	0x4C46
#define PCI_CHIP_RAGE128PF	0x5046
#define PCI_CHIP_RAGE128PR	0x5052
#define PCI_CHIP_RAGE128RE	0x5245
#define PCI_CHIP_RAGE128RF	0x5246
#define PCI_CHIP_RAGE128RK	0x524B
#define PCI_CHIP_RAGE128RL	0x524C
#endif


/* Create the device specific screen private data struct.
 */
static r128ScreenPtr
r128CreateScreen( __DRIscreenPrivate *sPriv )
{
   r128ScreenPtr r128Screen;
   R128DRIPtr r128DRIPriv = (R128DRIPtr)sPriv->pDevPriv;
   int i;

   if (sPriv->devPrivSize != sizeof(R128DRIRec)) {
      fprintf(stderr,"\nERROR!  sizeof(R128DRIRec) does not match passed size from device driver\n");
      return GL_FALSE;
   }

   /* Allocate the private area */
   r128Screen = (r128ScreenPtr) CALLOC( sizeof(*r128Screen) );
   if ( !r128Screen ) return NULL;

   /* parse information in __driConfigOptions */
   driParseOptionInfo (&r128Screen->optionCache,
		       __driConfigOptions, __driNConfigOptions);

   /* This is first since which regions we map depends on whether or
    * not we are using a PCI card.
    */
   r128Screen->IsPCI = r128DRIPriv->IsPCI;
   r128Screen->sarea_priv_offset = r128DRIPriv->sarea_priv_offset;
   
   if (sPriv->drm_version.minor >= 3) {
      drm_r128_getparam_t gp;
      int ret;

      gp.param = R128_PARAM_IRQ_NR;
      gp.value = &r128Screen->irq;

      ret = drmCommandWriteRead( sPriv->fd, DRM_R128_GETPARAM,
				    &gp, sizeof(gp));
      if (ret) {
         fprintf(stderr, "drmR128GetParam (R128_PARAM_IRQ_NR): %d\n", ret);
         FREE( r128Screen );
         return NULL;
      }
   }

   r128Screen->mmio.handle = r128DRIPriv->registerHandle;
   r128Screen->mmio.size   = r128DRIPriv->registerSize;
   if ( drmMap( sPriv->fd,
		r128Screen->mmio.handle,
		r128Screen->mmio.size,
		(drmAddressPtr)&r128Screen->mmio.map ) ) {
      FREE( r128Screen );
      return NULL;
   }

   r128Screen->buffers = drmMapBufs( sPriv->fd );
   if ( !r128Screen->buffers ) {
      drmUnmap( (drmAddress)r128Screen->mmio.map, r128Screen->mmio.size );
      FREE( r128Screen );
      return NULL;
   }

   if ( !r128Screen->IsPCI ) {
      r128Screen->agpTextures.handle = r128DRIPriv->agpTexHandle;
      r128Screen->agpTextures.size   = r128DRIPriv->agpTexMapSize;
      if ( drmMap( sPriv->fd,
		   r128Screen->agpTextures.handle,
		   r128Screen->agpTextures.size,
		   (drmAddressPtr)&r128Screen->agpTextures.map ) ) {
	 drmUnmapBufs( r128Screen->buffers );
	 drmUnmap( (drmAddress)r128Screen->mmio.map, r128Screen->mmio.size );
	 FREE( r128Screen );
	 return NULL;
      }
   }

   switch ( r128DRIPriv->deviceID ) {
   case PCI_CHIP_RAGE128RE:
   case PCI_CHIP_RAGE128RF:
   case PCI_CHIP_RAGE128RK:
   case PCI_CHIP_RAGE128RL:
      r128Screen->chipset = R128_CARD_TYPE_R128;
      break;
   case PCI_CHIP_RAGE128PF:
      r128Screen->chipset = R128_CARD_TYPE_R128_PRO;
      break;
   case PCI_CHIP_RAGE128LE:
   case PCI_CHIP_RAGE128LF:
      r128Screen->chipset = R128_CARD_TYPE_R128_MOBILITY;
      break;
   default:
      r128Screen->chipset = R128_CARD_TYPE_R128;
      break;
   }

   r128Screen->cpp = r128DRIPriv->bpp / 8;
   r128Screen->AGPMode = r128DRIPriv->AGPMode;

   r128Screen->frontOffset	= r128DRIPriv->frontOffset;
   r128Screen->frontPitch	= r128DRIPriv->frontPitch;
   r128Screen->backOffset	= r128DRIPriv->backOffset;
   r128Screen->backPitch	= r128DRIPriv->backPitch;
   r128Screen->depthOffset	= r128DRIPriv->depthOffset;
   r128Screen->depthPitch	= r128DRIPriv->depthPitch;
   r128Screen->spanOffset	= r128DRIPriv->spanOffset;

   if ( r128DRIPriv->textureSize == 0 ) {
      r128Screen->texOffset[R128_LOCAL_TEX_HEAP] =
	 r128DRIPriv->agpTexOffset + R128_AGP_TEX_OFFSET;
      r128Screen->texSize[R128_LOCAL_TEX_HEAP] = r128DRIPriv->agpTexMapSize;
      r128Screen->logTexGranularity[R128_LOCAL_TEX_HEAP] =
	 r128DRIPriv->log2AGPTexGran;
   } else {
      r128Screen->texOffset[R128_LOCAL_TEX_HEAP] = r128DRIPriv->textureOffset;
      r128Screen->texSize[R128_LOCAL_TEX_HEAP] = r128DRIPriv->textureSize;
      r128Screen->logTexGranularity[R128_LOCAL_TEX_HEAP] = r128DRIPriv->log2TexGran;
   }

   if ( !r128Screen->agpTextures.map || r128DRIPriv->textureSize == 0 ) {
      r128Screen->numTexHeaps = R128_NR_TEX_HEAPS - 1;
      r128Screen->texOffset[R128_AGP_TEX_HEAP] = 0;
      r128Screen->texSize[R128_AGP_TEX_HEAP] = 0;
      r128Screen->logTexGranularity[R128_AGP_TEX_HEAP] = 0;
   } else {
      r128Screen->numTexHeaps = R128_NR_TEX_HEAPS;
      r128Screen->texOffset[R128_AGP_TEX_HEAP] =
	 r128DRIPriv->agpTexOffset + R128_AGP_TEX_OFFSET;
      r128Screen->texSize[R128_AGP_TEX_HEAP] = r128DRIPriv->agpTexMapSize;
      r128Screen->logTexGranularity[R128_AGP_TEX_HEAP] =
	 r128DRIPriv->log2AGPTexGran;
   }

   r128Screen->driScreen = sPriv;

   i = 0;
   r128Screen->extensions[i++] = &driFrameTrackingExtension.base;
   if ( r128Screen->irq != 0 ) {
       r128Screen->extensions[i++] = &driSwapControlExtension.base;
       r128Screen->extensions[i++] = &driMediaStreamCounterExtension.base;
   }
   r128Screen->extensions[i++] = NULL;
   sPriv->extensions = r128Screen->extensions;

   return r128Screen;
}

/* Destroy the device specific screen private data struct.
 */
static void
r128DestroyScreen( __DRIscreenPrivate *sPriv )
{
   r128ScreenPtr r128Screen = (r128ScreenPtr)sPriv->private;

   if ( !r128Screen )
      return;

   if ( !r128Screen->IsPCI ) {
      drmUnmap( (drmAddress)r128Screen->agpTextures.map,
		r128Screen->agpTextures.size );
   }
   drmUnmapBufs( r128Screen->buffers );
   drmUnmap( (drmAddress)r128Screen->mmio.map, r128Screen->mmio.size );

   /* free all option information */
   driDestroyOptionInfo (&r128Screen->optionCache);

   FREE( r128Screen );
   sPriv->private = NULL;
}


/* Create and initialize the Mesa and driver specific pixmap buffer
 * data.
 */
static GLboolean
r128CreateBuffer( __DRIscreenPrivate *driScrnPriv,
                  __DRIdrawablePrivate *driDrawPriv,
                  const __GLcontextModes *mesaVis,
                  GLboolean isPixmap )
{
   r128ScreenPtr screen = (r128ScreenPtr) driScrnPriv->private;

   if (isPixmap) {
      return GL_FALSE; /* not implemented */
   }
   else {
      const GLboolean swDepth = GL_FALSE;
      const GLboolean swAlpha = GL_FALSE;
      const GLboolean swAccum = mesaVis->accumRedBits > 0;
      const GLboolean swStencil = mesaVis->stencilBits > 0 &&
         mesaVis->depthBits != 24;
      struct gl_framebuffer *fb = _mesa_create_framebuffer(mesaVis);

      {
         driRenderbuffer *frontRb
            = driNewRenderbuffer(GL_RGBA,
                                 NULL,
                                 screen->cpp,
                                 screen->frontOffset, screen->frontPitch,
                                 driDrawPriv);
         r128SetSpanFunctions(frontRb, mesaVis);
         _mesa_add_renderbuffer(fb, BUFFER_FRONT_LEFT, &frontRb->Base);
      }

      if (mesaVis->doubleBufferMode) {
         driRenderbuffer *backRb
            = driNewRenderbuffer(GL_RGBA,
                                 NULL,
                                 screen->cpp,
                                 screen->backOffset, screen->backPitch,
                                 driDrawPriv);
         r128SetSpanFunctions(backRb, mesaVis);
         _mesa_add_renderbuffer(fb, BUFFER_BACK_LEFT, &backRb->Base);
      }

      if (mesaVis->depthBits == 16) {
         driRenderbuffer *depthRb
            = driNewRenderbuffer(GL_DEPTH_COMPONENT16,
                                 NULL,
                                 screen->cpp,
                                 screen->depthOffset, screen->depthPitch,
                                 driDrawPriv);
         r128SetSpanFunctions(depthRb, mesaVis);
         _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base);
      }
      else if (mesaVis->depthBits == 24) {
         driRenderbuffer *depthRb
            = driNewRenderbuffer(GL_DEPTH_COMPONENT24,
                                 NULL,
                                 screen->cpp,
                                 screen->depthOffset, screen->depthPitch,
                                 driDrawPriv);
         r128SetSpanFunctions(depthRb, mesaVis);
         _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base);
      }

      if (mesaVis->stencilBits > 0 && !swStencil) {
         driRenderbuffer *stencilRb
            = driNewRenderbuffer(GL_STENCIL_INDEX8_EXT,
                                 NULL,
                                 screen->cpp,
                                 screen->depthOffset, screen->depthPitch,
                                 driDrawPriv);
         r128SetSpanFunctions(stencilRb, mesaVis);
         _mesa_add_renderbuffer(fb, BUFFER_STENCIL, &stencilRb->Base);
      }

      _mesa_add_soft_renderbuffers(fb,
                                   GL_FALSE, /* color */
                                   swDepth,
                                   swStencil,
                                   swAccum,
                                   swAlpha,
                                   GL_FALSE /* aux */);
      driDrawPriv->driverPrivate = (void *) fb;

      return (driDrawPriv->driverPrivate != NULL);
   }
}


static void
r128DestroyBuffer(__DRIdrawablePrivate *driDrawPriv)
{
   _mesa_unreference_framebuffer((GLframebuffer **)(&(driDrawPriv->driverPrivate)));
}


/* Copy the back color buffer to the front color buffer */
static void
r128SwapBuffers(__DRIdrawablePrivate *dPriv)
{
   if (dPriv->driContextPriv && dPriv->driContextPriv->driverPrivate) {
      r128ContextPtr rmesa;
      GLcontext *ctx;
      rmesa = (r128ContextPtr) dPriv->driContextPriv->driverPrivate;
      ctx = rmesa->glCtx;
      if (ctx->Visual.doubleBufferMode) {
         _mesa_notifySwapBuffers( ctx );  /* flush pending rendering comands */
         if ( rmesa->doPageFlip ) {
            r128PageFlip( dPriv );
         }
         else {
            r128CopyBuffer( dPriv );
         }
      }
   }
   else {
      /* XXX this shouldn't be an error but we can't handle it for now */
      _mesa_problem(NULL, "%s: drawable has no context!", __FUNCTION__);
   }
}


/* Initialize the driver specific screen private data.
 */
static GLboolean
r128InitDriver( __DRIscreenPrivate *sPriv )
{
   sPriv->private = (void *) r128CreateScreen( sPriv );

   if ( !sPriv->private ) {
      r128DestroyScreen( sPriv );
      return GL_FALSE;
   }

   return GL_TRUE;
}

static const __DRIconfig **
r128FillInModes( __DRIscreenPrivate *psp,
		 unsigned pixel_bits, unsigned depth_bits,
		 unsigned stencil_bits, GLboolean have_back_buffer )
{
    __DRIconfig **configs;
    __GLcontextModes * m;
    unsigned depth_buffer_factor;
    unsigned back_buffer_factor;
    GLenum fb_format;
    GLenum fb_type;
    int i;

    /* Right now GLX_SWAP_COPY_OML isn't supported, but it would be easy
     * enough to add support.  Basically, if a context is created with an
     * fbconfig where the swap method is GLX_SWAP_COPY_OML, pageflipping
     * will never be used.
     */
    static const GLenum back_buffer_modes[] = {
	GLX_NONE, GLX_SWAP_UNDEFINED_OML /*, GLX_SWAP_COPY_OML */
    };

    uint8_t depth_bits_array[2];
    uint8_t stencil_bits_array[2];


    depth_bits_array[0] = depth_bits;
    depth_bits_array[1] = depth_bits;
    
    /* Just like with the accumulation buffer, always provide some modes
     * with a stencil buffer.  It will be a sw fallback, but some apps won't
     * care about that.
     */
    stencil_bits_array[0] = 0;
    stencil_bits_array[1] = (stencil_bits == 0) ? 8 : stencil_bits;

    depth_buffer_factor = ((depth_bits != 0) || (stencil_bits != 0)) ? 2 : 1;
    back_buffer_factor  = (have_back_buffer) ? 2 : 1;

    if ( pixel_bits == 16 ) {
        fb_format = GL_RGB;
        fb_type = GL_UNSIGNED_SHORT_5_6_5;
    }
    else {
        fb_format = GL_BGR;
        fb_type = GL_UNSIGNED_INT_8_8_8_8_REV;
    }

   configs = driCreateConfigs(fb_format, fb_type,
			      depth_bits_array, stencil_bits_array,
			      depth_buffer_factor, back_buffer_modes,
			      back_buffer_factor);
   if (configs == NULL) {
    fprintf(stderr, "[%s:%u] Error creating FBConfig!\n", __func__,
              __LINE__);
      return NULL;
   }

   /* Mark the visual as slow if there are "fake" stencil bits.
    */
   for (i = 0; configs[i]; i++) {
      m = &configs[i]->modes;
      if ((m->stencilBits != 0) && (m->stencilBits != stencil_bits)) {
         m->visualRating = GLX_SLOW_CONFIG;
      }
   }

   return (const __DRIconfig **) configs;
}


/**
 * This is the driver specific part of the createNewScreen entry point.
 * 
 * \todo maybe fold this into intelInitDriver
 *
 * \return the __GLcontextModes supported by this driver
 */
static const __DRIconfig **
r128InitScreen(__DRIscreenPrivate *psp)
{
   static const __DRIversion ddx_expected = { 4, 0, 0 };
   static const __DRIversion dri_expected = { 4, 0, 0 };
   static const __DRIversion drm_expected = { 2, 2, 0 };
   R128DRIPtr dri_priv = (R128DRIPtr) psp->pDevPriv;

   if ( ! driCheckDriDdxDrmVersions2( "Rage128",
				      &psp->dri_version, & dri_expected,
				      &psp->ddx_version, & ddx_expected,
				      &psp->drm_version, & drm_expected ) )
      return NULL;

   /* Calling driInitExtensions here, with a NULL context pointer,
    * does not actually enable the extensions.  It just makes sure
    * that all the dispatch offsets for all the extensions that
    * *might* be enables are known.  This is needed because the
    * dispatch offsets need to be known when _mesa_context_create is
    * called, but we can't enable the extensions until we have a
    * context pointer.
    *
    * Hello chicken.  Hello egg.  How are you two today?
    */
   driInitExtensions( NULL, card_extensions, GL_FALSE );

   if (!r128InitDriver(psp))
       return NULL;

   return r128FillInModes( psp,
			   dri_priv->bpp,
			   (dri_priv->bpp == 16) ? 16 : 24,
			   (dri_priv->bpp == 16) ? 0  : 8,
			   (dri_priv->backOffset != dri_priv->depthOffset) );
}

const struct __DriverAPIRec driDriverAPI = {
   .InitScreen      = r128InitScreen,
   .DestroyScreen   = r128DestroyScreen,
   .CreateContext   = r128CreateContext,
   .DestroyContext  = r128DestroyContext,
   .CreateBuffer    = r128CreateBuffer,
   .DestroyBuffer   = r128DestroyBuffer,
   .SwapBuffers     = r128SwapBuffers,
   .MakeCurrent     = r128MakeCurrent,
   .UnbindContext   = r128UnbindContext,
   .GetSwapInfo     = NULL,
   .GetDrawableMSC  = driDrawableGetMSC32,
   .WaitForMSC      = driWaitForMSC32,
   .WaitForSBC      = NULL,
   .SwapBuffersMSC  = NULL
};