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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  * \file radeon_screen.c
32  * Screen initialization functions for the Radeon driver.
33  *
34  * \author Kevin E. Martin <martin@valinux.com>
35  * \author  Gareth Hughes <gareth@valinux.com>
36  */
37 
38 #include <errno.h>
39 #include "main/glheader.h"
40 #include "main/imports.h"
41 #include "main/mtypes.h"
42 #include "main/framebuffer.h"
43 #include "main/renderbuffer.h"
44 #include "main/fbobject.h"
45 #include "swrast/s_renderbuffer.h"
46 
47 #include "radeon_chipset.h"
48 #include "radeon_screen.h"
49 #include "radeon_common.h"
50 #include "radeon_common_context.h"
51 #if defined(RADEON_R100)
52 #include "radeon_context.h"
53 #include "radeon_tex.h"
54 #elif defined(RADEON_R200)
55 #include "r200_context.h"
56 #include "r200_tex.h"
57 #endif
58 
59 #include "utils.h"
60 
61 #include "GL/internal/dri_interface.h"
62 
63 /* Radeon configuration
64  */
65 #include "xmlpool.h"
66 
67 #define DRI_CONF_COMMAND_BUFFER_SIZE(def,min,max) \
68 DRI_CONF_OPT_BEGIN_V(command_buffer_size,int,def, # min ":" # max ) \
69         DRI_CONF_DESC(en,"Size of command buffer (in KB)") \
70         DRI_CONF_DESC(de,"Grösse des Befehlspuffers (in KB)") \
71 DRI_CONF_OPT_END
72 
73 #if defined(RADEON_R100)	/* R100 */
74 static const __DRIconfigOptionsExtension radeon_config_options = {
75    .base = { __DRI_CONFIG_OPTIONS, 1 },
76    .xml =
77 DRI_CONF_BEGIN
78     DRI_CONF_SECTION_PERFORMANCE
79         DRI_CONF_TCL_MODE(DRI_CONF_TCL_CODEGEN)
80         DRI_CONF_FTHROTTLE_MODE(DRI_CONF_FTHROTTLE_IRQS)
81         DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_0)
82         DRI_CONF_MAX_TEXTURE_UNITS(3,2,3)
83         DRI_CONF_HYPERZ("false")
84         DRI_CONF_COMMAND_BUFFER_SIZE(8, 8, 32)
85     DRI_CONF_SECTION_END
86     DRI_CONF_SECTION_QUALITY
87         DRI_CONF_TEXTURE_DEPTH(DRI_CONF_TEXTURE_DEPTH_FB)
88         DRI_CONF_DEF_MAX_ANISOTROPY(1.0,"1.0,2.0,4.0,8.0,16.0")
89         DRI_CONF_NO_NEG_LOD_BIAS("false")
90         DRI_CONF_FORCE_S3TC_ENABLE("false")
91         DRI_CONF_COLOR_REDUCTION(DRI_CONF_COLOR_REDUCTION_DITHER)
92         DRI_CONF_ROUND_MODE(DRI_CONF_ROUND_TRUNC)
93         DRI_CONF_DITHER_MODE(DRI_CONF_DITHER_XERRORDIFF)
94     DRI_CONF_SECTION_END
95     DRI_CONF_SECTION_DEBUG
96         DRI_CONF_NO_RAST("false")
97     DRI_CONF_SECTION_END
98 DRI_CONF_END
99 };
100 
101 #elif defined(RADEON_R200)
102 static const __DRIconfigOptionsExtension radeon_config_options = {
103    .base = { __DRI_CONFIG_OPTIONS, 1 },
104    .xml =
105 DRI_CONF_BEGIN
106     DRI_CONF_SECTION_PERFORMANCE
107         DRI_CONF_TCL_MODE(DRI_CONF_TCL_CODEGEN)
108         DRI_CONF_FTHROTTLE_MODE(DRI_CONF_FTHROTTLE_IRQS)
109         DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_0)
110         DRI_CONF_MAX_TEXTURE_UNITS(6,2,6)
111         DRI_CONF_HYPERZ("false")
112         DRI_CONF_COMMAND_BUFFER_SIZE(8, 8, 32)
113     DRI_CONF_SECTION_END
114     DRI_CONF_SECTION_QUALITY
115         DRI_CONF_TEXTURE_DEPTH(DRI_CONF_TEXTURE_DEPTH_FB)
116         DRI_CONF_DEF_MAX_ANISOTROPY(1.0,"1.0,2.0,4.0,8.0,16.0")
117         DRI_CONF_NO_NEG_LOD_BIAS("false")
118         DRI_CONF_FORCE_S3TC_ENABLE("false")
119         DRI_CONF_COLOR_REDUCTION(DRI_CONF_COLOR_REDUCTION_DITHER)
120         DRI_CONF_ROUND_MODE(DRI_CONF_ROUND_TRUNC)
121         DRI_CONF_DITHER_MODE(DRI_CONF_DITHER_XERRORDIFF)
122         DRI_CONF_TEXTURE_BLEND_QUALITY(1.0,"0.0:1.0")
123     DRI_CONF_SECTION_END
124     DRI_CONF_SECTION_DEBUG
125         DRI_CONF_NO_RAST("false")
126     DRI_CONF_SECTION_END
127 DRI_CONF_END
128 };
129 #endif
130 
131 #ifndef RADEON_INFO_TILE_CONFIG
132 #define RADEON_INFO_TILE_CONFIG 0x6
133 #endif
134 
135 static int
radeonGetParam(__DRIscreen * sPriv,int param,void * value)136 radeonGetParam(__DRIscreen *sPriv, int param, void *value)
137 {
138   struct drm_radeon_info info = { 0 };
139 
140   info.value = (uint64_t)(uintptr_t)value;
141   switch (param) {
142   case RADEON_PARAM_DEVICE_ID:
143     info.request = RADEON_INFO_DEVICE_ID;
144     break;
145   case RADEON_PARAM_NUM_GB_PIPES:
146     info.request = RADEON_INFO_NUM_GB_PIPES;
147     break;
148   case RADEON_PARAM_NUM_Z_PIPES:
149     info.request = RADEON_INFO_NUM_Z_PIPES;
150     break;
151   case RADEON_INFO_TILE_CONFIG:
152     info.request = RADEON_INFO_TILE_CONFIG;
153     break;
154   default:
155     return -EINVAL;
156   }
157   return drmCommandWriteRead(sPriv->fd, DRM_RADEON_INFO, &info, sizeof(info));
158 }
159 
160 #if defined(RADEON_R100)
161 static const __DRItexBufferExtension radeonTexBufferExtension = {
162    .base = { __DRI_TEX_BUFFER, 3 },
163 
164    .setTexBuffer        = radeonSetTexBuffer,
165    .setTexBuffer2       = radeonSetTexBuffer2,
166    .releaseTexBuffer    = NULL,
167 };
168 #elif defined(RADEON_R200)
169 static const __DRItexBufferExtension r200TexBufferExtension = {
170    .base = { __DRI_TEX_BUFFER, 3 },
171 
172    .setTexBuffer        = r200SetTexBuffer,
173    .setTexBuffer2       = r200SetTexBuffer2,
174    .releaseTexBuffer    = NULL,
175 };
176 #endif
177 
178 static void
radeonDRI2Flush(__DRIdrawable * drawable)179 radeonDRI2Flush(__DRIdrawable *drawable)
180 {
181     radeonContextPtr rmesa;
182 
183     rmesa = (radeonContextPtr) drawable->driContextPriv->driverPrivate;
184     radeonFlush(&rmesa->glCtx);
185 }
186 
187 static const struct __DRI2flushExtensionRec radeonFlushExtension = {
188    .base = { __DRI2_FLUSH, 3 },
189 
190    .flush               = radeonDRI2Flush,
191    .invalidate          = dri2InvalidateDrawable,
192 };
193 
194 static __DRIimage *
radeon_create_image_from_name(__DRIscreen * screen,int width,int height,int format,int name,int pitch,void * loaderPrivate)195 radeon_create_image_from_name(__DRIscreen *screen,
196                               int width, int height, int format,
197                               int name, int pitch, void *loaderPrivate)
198 {
199    __DRIimage *image;
200    radeonScreenPtr radeonScreen = screen->driverPrivate;
201 
202    if (name == 0)
203       return NULL;
204 
205    image = calloc(1, sizeof *image);
206    if (image == NULL)
207       return NULL;
208 
209    switch (format) {
210    case __DRI_IMAGE_FORMAT_RGB565:
211       image->format = MESA_FORMAT_B5G6R5_UNORM;
212       image->internal_format = GL_RGB;
213       image->data_type = GL_UNSIGNED_BYTE;
214       break;
215    case __DRI_IMAGE_FORMAT_XRGB8888:
216       image->format = MESA_FORMAT_B8G8R8X8_UNORM;
217       image->internal_format = GL_RGB;
218       image->data_type = GL_UNSIGNED_BYTE;
219       break;
220    case __DRI_IMAGE_FORMAT_ARGB8888:
221       image->format = MESA_FORMAT_B8G8R8A8_UNORM;
222       image->internal_format = GL_RGBA;
223       image->data_type = GL_UNSIGNED_BYTE;
224       break;
225    default:
226       free(image);
227       return NULL;
228    }
229 
230    image->data = loaderPrivate;
231    image->cpp = _mesa_get_format_bytes(image->format);
232    image->width = width;
233    image->pitch = pitch;
234    image->height = height;
235 
236    image->bo = radeon_bo_open(radeonScreen->bom,
237                               (uint32_t)name,
238                               image->pitch * image->height * image->cpp,
239                               0,
240                               RADEON_GEM_DOMAIN_VRAM,
241                               0);
242 
243    if (image->bo == NULL) {
244       free(image);
245       return NULL;
246    }
247 
248    return image;
249 }
250 
251 static __DRIimage *
radeon_create_image_from_renderbuffer(__DRIcontext * context,int renderbuffer,void * loaderPrivate)252 radeon_create_image_from_renderbuffer(__DRIcontext *context,
253                                       int renderbuffer, void *loaderPrivate)
254 {
255    __DRIimage *image;
256    radeonContextPtr radeon = context->driverPrivate;
257    struct gl_renderbuffer *rb;
258    struct radeon_renderbuffer *rrb;
259 
260    rb = _mesa_lookup_renderbuffer(&radeon->glCtx, renderbuffer);
261    if (!rb) {
262       _mesa_error(&radeon->glCtx,
263                   GL_INVALID_OPERATION, "glRenderbufferExternalMESA");
264       return NULL;
265    }
266 
267    rrb = radeon_renderbuffer(rb);
268    image = calloc(1, sizeof *image);
269    if (image == NULL)
270       return NULL;
271 
272    image->internal_format = rb->InternalFormat;
273    image->format = rb->Format;
274    image->cpp = rrb->cpp;
275    image->data_type = GL_UNSIGNED_BYTE;
276    image->data = loaderPrivate;
277    radeon_bo_ref(rrb->bo);
278    image->bo = rrb->bo;
279 
280    image->width = rb->Width;
281    image->height = rb->Height;
282    image->pitch = rrb->pitch / image->cpp;
283 
284    return image;
285 }
286 
287 static void
radeon_destroy_image(__DRIimage * image)288 radeon_destroy_image(__DRIimage *image)
289 {
290    radeon_bo_unref(image->bo);
291    free(image);
292 }
293 
294 static __DRIimage *
radeon_create_image(__DRIscreen * screen,int width,int height,int format,unsigned int use,void * loaderPrivate)295 radeon_create_image(__DRIscreen *screen,
296                     int width, int height, int format,
297                     unsigned int use,
298                     void *loaderPrivate)
299 {
300    __DRIimage *image;
301    radeonScreenPtr radeonScreen = screen->driverPrivate;
302 
303    image = calloc(1, sizeof *image);
304    if (image == NULL)
305       return NULL;
306 
307    image->dri_format = format;
308 
309    switch (format) {
310    case __DRI_IMAGE_FORMAT_RGB565:
311       image->format = MESA_FORMAT_B5G6R5_UNORM;
312       image->internal_format = GL_RGB;
313       image->data_type = GL_UNSIGNED_BYTE;
314       break;
315    case __DRI_IMAGE_FORMAT_XRGB8888:
316       image->format = MESA_FORMAT_B8G8R8X8_UNORM;
317       image->internal_format = GL_RGB;
318       image->data_type = GL_UNSIGNED_BYTE;
319       break;
320    case __DRI_IMAGE_FORMAT_ARGB8888:
321       image->format = MESA_FORMAT_B8G8R8A8_UNORM;
322       image->internal_format = GL_RGBA;
323       image->data_type = GL_UNSIGNED_BYTE;
324       break;
325    default:
326       free(image);
327       return NULL;
328    }
329 
330    image->data = loaderPrivate;
331    image->cpp = _mesa_get_format_bytes(image->format);
332    image->width = width;
333    image->height = height;
334    image->pitch = ((image->cpp * image->width + 255) & ~255) / image->cpp;
335 
336    image->bo = radeon_bo_open(radeonScreen->bom,
337                               0,
338                               image->pitch * image->height * image->cpp,
339                               0,
340                               RADEON_GEM_DOMAIN_VRAM,
341                               0);
342 
343    if (image->bo == NULL) {
344       free(image);
345       return NULL;
346    }
347 
348    return image;
349 }
350 
351 static GLboolean
radeon_query_image(__DRIimage * image,int attrib,int * value)352 radeon_query_image(__DRIimage *image, int attrib, int *value)
353 {
354    switch (attrib) {
355    case __DRI_IMAGE_ATTRIB_STRIDE:
356       *value = image->pitch * image->cpp;
357       return GL_TRUE;
358    case __DRI_IMAGE_ATTRIB_HANDLE:
359       *value = image->bo->handle;
360       return GL_TRUE;
361    case __DRI_IMAGE_ATTRIB_NAME:
362       radeon_gem_get_kernel_name(image->bo, (uint32_t *) value);
363       return GL_TRUE;
364    default:
365       return GL_FALSE;
366    }
367 }
368 
369 static const __DRIimageExtension radeonImageExtension = {
370    .base = { __DRI_IMAGE, 1 },
371 
372    .createImageFromName         = radeon_create_image_from_name,
373    .createImageFromRenderbuffer = radeon_create_image_from_renderbuffer,
374    .destroyImage                = radeon_destroy_image,
375    .createImage                 = radeon_create_image,
376    .queryImage                  = radeon_query_image
377 };
378 
radeon_set_screen_flags(radeonScreenPtr screen,int device_id)379 static int radeon_set_screen_flags(radeonScreenPtr screen, int device_id)
380 {
381    screen->device_id = device_id;
382    screen->chip_flags = 0;
383    switch ( device_id ) {
384 #if defined(RADEON_R100)
385    case PCI_CHIP_RN50_515E:
386    case PCI_CHIP_RN50_5969:
387 	return -1;
388 
389    case PCI_CHIP_RADEON_LY:
390    case PCI_CHIP_RADEON_LZ:
391    case PCI_CHIP_RADEON_QY:
392    case PCI_CHIP_RADEON_QZ:
393       screen->chip_family = CHIP_FAMILY_RV100;
394       break;
395 
396    case PCI_CHIP_RS100_4136:
397    case PCI_CHIP_RS100_4336:
398       screen->chip_family = CHIP_FAMILY_RS100;
399       break;
400 
401    case PCI_CHIP_RS200_4137:
402    case PCI_CHIP_RS200_4337:
403    case PCI_CHIP_RS250_4237:
404    case PCI_CHIP_RS250_4437:
405       screen->chip_family = CHIP_FAMILY_RS200;
406       break;
407 
408    case PCI_CHIP_RADEON_QD:
409    case PCI_CHIP_RADEON_QE:
410    case PCI_CHIP_RADEON_QF:
411    case PCI_CHIP_RADEON_QG:
412       /* all original radeons (7200) presumably have a stencil op bug */
413       screen->chip_family = CHIP_FAMILY_R100;
414       screen->chip_flags = RADEON_CHIPSET_TCL | RADEON_CHIPSET_BROKEN_STENCIL | RADEON_CHIPSET_DEPTH_ALWAYS_TILED;
415       break;
416 
417    case PCI_CHIP_RV200_QW:
418    case PCI_CHIP_RV200_QX:
419    case PCI_CHIP_RADEON_LW:
420    case PCI_CHIP_RADEON_LX:
421       screen->chip_family = CHIP_FAMILY_RV200;
422       screen->chip_flags = RADEON_CHIPSET_TCL | RADEON_CHIPSET_DEPTH_ALWAYS_TILED;
423       break;
424 
425 #elif defined(RADEON_R200)
426    case PCI_CHIP_R200_BB:
427    case PCI_CHIP_R200_QH:
428    case PCI_CHIP_R200_QL:
429    case PCI_CHIP_R200_QM:
430       screen->chip_family = CHIP_FAMILY_R200;
431       screen->chip_flags = RADEON_CHIPSET_TCL | RADEON_CHIPSET_DEPTH_ALWAYS_TILED;
432       break;
433 
434    case PCI_CHIP_RV250_If:
435    case PCI_CHIP_RV250_Ig:
436    case PCI_CHIP_RV250_Ld:
437    case PCI_CHIP_RV250_Lf:
438    case PCI_CHIP_RV250_Lg:
439       screen->chip_family = CHIP_FAMILY_RV250;
440       screen->chip_flags = R200_CHIPSET_YCBCR_BROKEN | RADEON_CHIPSET_TCL | RADEON_CHIPSET_DEPTH_ALWAYS_TILED;
441       break;
442 
443    case PCI_CHIP_RV280_4C6E:
444    case PCI_CHIP_RV280_5960:
445    case PCI_CHIP_RV280_5961:
446    case PCI_CHIP_RV280_5962:
447    case PCI_CHIP_RV280_5964:
448    case PCI_CHIP_RV280_5965:
449    case PCI_CHIP_RV280_5C61:
450    case PCI_CHIP_RV280_5C63:
451       screen->chip_family = CHIP_FAMILY_RV280;
452       screen->chip_flags = RADEON_CHIPSET_TCL | RADEON_CHIPSET_DEPTH_ALWAYS_TILED;
453       break;
454 
455    case PCI_CHIP_RS300_5834:
456    case PCI_CHIP_RS300_5835:
457    case PCI_CHIP_RS350_7834:
458    case PCI_CHIP_RS350_7835:
459       screen->chip_family = CHIP_FAMILY_RS300;
460       screen->chip_flags = RADEON_CHIPSET_DEPTH_ALWAYS_TILED;
461       break;
462 #endif
463 
464    default:
465       fprintf(stderr, "unknown chip id 0x%x, can't guess.\n",
466 	      device_id);
467       return -1;
468    }
469 
470    return 0;
471 }
472 
473 static int
radeonQueryRendererInteger(__DRIscreen * psp,int param,unsigned int * value)474 radeonQueryRendererInteger(__DRIscreen *psp, int param,
475 			       unsigned int *value)
476 {
477    radeonScreenPtr screen = (radeonScreenPtr)psp->driverPrivate;
478 
479    switch (param) {
480    case __DRI2_RENDERER_VENDOR_ID:
481       value[0] = 0x1002;
482       return 0;
483    case __DRI2_RENDERER_DEVICE_ID:
484       value[0] = screen->device_id;
485       return 0;
486    case __DRI2_RENDERER_ACCELERATED:
487       value[0] = 1;
488       return 0;
489    case __DRI2_RENDERER_VIDEO_MEMORY: {
490       struct drm_radeon_gem_info gem_info;
491       int retval;
492       memset(&gem_info, 0, sizeof(gem_info));
493 
494       /* Get GEM info. */
495       retval = drmCommandWriteRead(psp->fd, DRM_RADEON_GEM_INFO, &gem_info,
496 				   sizeof(gem_info));
497 
498       if (retval) {
499          fprintf(stderr, "radeon: Failed to get MM info, error number %d\n",
500                 retval);
501          return -1;
502 
503       }
504       /* XXX: Do we want to return vram_size or vram_visible ? */
505       value[0] = gem_info.vram_size >> 20;
506       return 0;
507    }
508    case __DRI2_RENDERER_UNIFIED_MEMORY_ARCHITECTURE:
509       value[0] = 0;
510       return 0;
511    default:
512       return driQueryRendererIntegerCommon(psp, param, value);
513    }
514 }
515 
516 static int
radeonQueryRendererString(__DRIscreen * psp,int param,const char ** value)517 radeonQueryRendererString(__DRIscreen *psp, int param, const char **value)
518 {
519    radeonScreenPtr screen = (radeonScreenPtr)psp->driverPrivate;
520 
521    switch (param) {
522    case __DRI2_RENDERER_VENDOR_ID:
523       value[0] = radeonVendorString;
524       return 0;
525    case __DRI2_RENDERER_DEVICE_ID:
526       value[0] = radeonGetRendererString(screen);
527       return 0;
528    default:
529       return -1;
530    }
531 }
532 
533 static const __DRI2rendererQueryExtension radeonRendererQueryExtension = {
534    .base = { __DRI2_RENDERER_QUERY, 1 },
535 
536    .queryInteger        = radeonQueryRendererInteger,
537    .queryString         = radeonQueryRendererString
538 };
539 
540 
541 static const __DRIextension *radeon_screen_extensions[] = {
542     &dri2ConfigQueryExtension.base,
543 #if defined(RADEON_R100)
544     &radeonTexBufferExtension.base,
545 #elif defined(RADEON_R200)
546     &r200TexBufferExtension.base,
547 #endif
548     &radeonFlushExtension.base,
549     &radeonImageExtension.base,
550     &radeonRendererQueryExtension.base,
551     NULL
552 };
553 
554 static radeonScreenPtr
radeonCreateScreen2(__DRIscreen * sPriv)555 radeonCreateScreen2(__DRIscreen *sPriv)
556 {
557    radeonScreenPtr screen;
558    int ret;
559    uint32_t device_id = 0;
560 
561    /* Allocate the private area */
562    screen = calloc(1, sizeof(*screen));
563    if ( !screen ) {
564       fprintf(stderr, "%s: Could not allocate memory for screen structure", __func__);
565       fprintf(stderr, "leaving here\n");
566       return NULL;
567    }
568 
569    radeon_init_debug();
570 
571    /* parse information in __driConfigOptions */
572    driParseOptionInfo (&screen->optionCache, radeon_config_options.xml);
573 
574    screen->chip_flags = 0;
575 
576    screen->irq = 1;
577 
578    ret = radeonGetParam(sPriv, RADEON_PARAM_DEVICE_ID, &device_id);
579    if (ret) {
580      free( screen );
581      fprintf(stderr, "drm_radeon_getparam_t (RADEON_PARAM_DEVICE_ID): %d\n", ret);
582      return NULL;
583    }
584 
585    ret = radeon_set_screen_flags(screen, device_id);
586    if (ret == -1) {
587      free(screen);
588      return NULL;
589    }
590 
591    if (getenv("RADEON_NO_TCL"))
592 	   screen->chip_flags &= ~RADEON_CHIPSET_TCL;
593 
594    sPriv->extensions = radeon_screen_extensions;
595 
596    screen->driScreen = sPriv;
597    screen->bom = radeon_bo_manager_gem_ctor(sPriv->fd);
598    if (screen->bom == NULL) {
599        free(screen);
600        return NULL;
601    }
602    return screen;
603 }
604 
605 /* Destroy the device specific screen private data struct.
606  */
607 static void
radeonDestroyScreen(__DRIscreen * sPriv)608 radeonDestroyScreen( __DRIscreen *sPriv )
609 {
610     radeonScreenPtr screen = (radeonScreenPtr)sPriv->driverPrivate;
611 
612     if (!screen)
613         return;
614 
615 #ifdef RADEON_BO_TRACK
616     radeon_tracker_print(&screen->bom->tracker, stderr);
617 #endif
618     radeon_bo_manager_gem_dtor(screen->bom);
619 
620     /* free all option information */
621     driDestroyOptionInfo (&screen->optionCache);
622 
623     free( screen );
624     sPriv->driverPrivate = NULL;
625 }
626 
627 
628 /* Initialize the driver specific screen private data.
629  */
630 static GLboolean
radeonInitDriver(__DRIscreen * sPriv)631 radeonInitDriver( __DRIscreen *sPriv )
632 {
633     sPriv->driverPrivate = (void *) radeonCreateScreen2( sPriv );
634     if ( !sPriv->driverPrivate ) {
635         radeonDestroyScreen( sPriv );
636         return GL_FALSE;
637     }
638 
639     return GL_TRUE;
640 }
641 
642 
643 
644 /**
645  * Create the Mesa framebuffer and renderbuffers for a given window/drawable.
646  *
647  * \todo This function (and its interface) will need to be updated to support
648  * pbuffers.
649  */
650 static GLboolean
radeonCreateBuffer(__DRIscreen * driScrnPriv,__DRIdrawable * driDrawPriv,const struct gl_config * mesaVis,GLboolean isPixmap)651 radeonCreateBuffer( __DRIscreen *driScrnPriv,
652                     __DRIdrawable *driDrawPriv,
653                     const struct gl_config *mesaVis,
654                     GLboolean isPixmap )
655 {
656     radeonScreenPtr screen = (radeonScreenPtr) driScrnPriv->driverPrivate;
657 
658     const GLboolean swDepth = GL_FALSE;
659     const GLboolean swAlpha = GL_FALSE;
660     const GLboolean swAccum = mesaVis->accumRedBits > 0;
661     const GLboolean swStencil = mesaVis->stencilBits > 0 &&
662 	mesaVis->depthBits != 24;
663     mesa_format rgbFormat;
664     struct radeon_framebuffer *rfb;
665 
666     if (isPixmap)
667       return GL_FALSE; /* not implemented */
668 
669     rfb = CALLOC_STRUCT(radeon_framebuffer);
670     if (!rfb)
671       return GL_FALSE;
672 
673     _mesa_initialize_window_framebuffer(&rfb->base, mesaVis);
674 
675     if (mesaVis->redBits == 5)
676         rgbFormat = _mesa_little_endian() ? MESA_FORMAT_B5G6R5_UNORM : MESA_FORMAT_R5G6B5_UNORM;
677     else if (mesaVis->alphaBits == 0)
678         rgbFormat = _mesa_little_endian() ? MESA_FORMAT_B8G8R8X8_UNORM : MESA_FORMAT_X8R8G8B8_UNORM;
679     else
680         rgbFormat = _mesa_little_endian() ? MESA_FORMAT_B8G8R8A8_UNORM : MESA_FORMAT_A8R8G8B8_UNORM;
681 
682     /* front color renderbuffer */
683     rfb->color_rb[0] = radeon_create_renderbuffer(rgbFormat, driDrawPriv);
684     _mesa_add_renderbuffer(&rfb->base, BUFFER_FRONT_LEFT, &rfb->color_rb[0]->base.Base);
685     rfb->color_rb[0]->has_surface = 1;
686 
687     /* back color renderbuffer */
688     if (mesaVis->doubleBufferMode) {
689       rfb->color_rb[1] = radeon_create_renderbuffer(rgbFormat, driDrawPriv);
690 	_mesa_add_renderbuffer(&rfb->base, BUFFER_BACK_LEFT, &rfb->color_rb[1]->base.Base);
691 	rfb->color_rb[1]->has_surface = 1;
692     }
693 
694     if (mesaVis->depthBits == 24) {
695       if (mesaVis->stencilBits == 8) {
696 	struct radeon_renderbuffer *depthStencilRb =
697            radeon_create_renderbuffer(MESA_FORMAT_Z24_UNORM_S8_UINT, driDrawPriv);
698 	_mesa_add_renderbuffer(&rfb->base, BUFFER_DEPTH, &depthStencilRb->base.Base);
699 	_mesa_add_renderbuffer(&rfb->base, BUFFER_STENCIL, &depthStencilRb->base.Base);
700 	depthStencilRb->has_surface = screen->depthHasSurface;
701       } else {
702 	/* depth renderbuffer */
703 	struct radeon_renderbuffer *depth =
704            radeon_create_renderbuffer(MESA_FORMAT_Z24_UNORM_X8_UINT, driDrawPriv);
705 	_mesa_add_renderbuffer(&rfb->base, BUFFER_DEPTH, &depth->base.Base);
706 	depth->has_surface = screen->depthHasSurface;
707       }
708     } else if (mesaVis->depthBits == 16) {
709         /* just 16-bit depth buffer, no hw stencil */
710 	struct radeon_renderbuffer *depth =
711            radeon_create_renderbuffer(MESA_FORMAT_Z_UNORM16, driDrawPriv);
712 	_mesa_add_renderbuffer(&rfb->base, BUFFER_DEPTH, &depth->base.Base);
713 	depth->has_surface = screen->depthHasSurface;
714     }
715 
716     _swrast_add_soft_renderbuffers(&rfb->base,
717 	    GL_FALSE, /* color */
718 	    swDepth,
719 	    swStencil,
720 	    swAccum,
721 	    swAlpha,
722 	    GL_FALSE /* aux */);
723     driDrawPriv->driverPrivate = (void *) rfb;
724 
725     return (driDrawPriv->driverPrivate != NULL);
726 }
727 
728 
radeon_cleanup_renderbuffers(struct radeon_framebuffer * rfb)729 static void radeon_cleanup_renderbuffers(struct radeon_framebuffer *rfb)
730 {
731 	struct radeon_renderbuffer *rb;
732 
733 	rb = rfb->color_rb[0];
734 	if (rb && rb->bo) {
735 		radeon_bo_unref(rb->bo);
736 		rb->bo = NULL;
737 	}
738 	rb = rfb->color_rb[1];
739 	if (rb && rb->bo) {
740 		radeon_bo_unref(rb->bo);
741 		rb->bo = NULL;
742 	}
743 	rb = radeon_get_renderbuffer(&rfb->base, BUFFER_DEPTH);
744 	if (rb && rb->bo) {
745 		radeon_bo_unref(rb->bo);
746 		rb->bo = NULL;
747 	}
748 }
749 
750 void
radeonDestroyBuffer(__DRIdrawable * driDrawPriv)751 radeonDestroyBuffer(__DRIdrawable *driDrawPriv)
752 {
753     struct radeon_framebuffer *rfb;
754     if (!driDrawPriv)
755 	return;
756 
757     rfb = (void*)driDrawPriv->driverPrivate;
758     if (!rfb)
759 	return;
760     radeon_cleanup_renderbuffers(rfb);
761     _mesa_reference_framebuffer((struct gl_framebuffer **)(&(driDrawPriv->driverPrivate)), NULL);
762 }
763 
764 /**
765  * This is the driver specific part of the createNewScreen entry point.
766  * Called when using DRI2.
767  *
768  * \return the struct gl_config supported by this driver
769  */
770 static const
radeonInitScreen2(__DRIscreen * psp)771 __DRIconfig **radeonInitScreen2(__DRIscreen *psp)
772 {
773    static const mesa_format formats[3] = {
774       MESA_FORMAT_B5G6R5_UNORM,
775       MESA_FORMAT_B8G8R8X8_UNORM,
776       MESA_FORMAT_B8G8R8A8_UNORM
777    };
778    /* GLX_SWAP_COPY_OML is only supported because the Intel driver doesn't
779     * support pageflipping at all.
780     */
781    static const GLenum back_buffer_modes[] = {
782      GLX_NONE, GLX_SWAP_UNDEFINED_OML, /*, GLX_SWAP_COPY_OML*/
783    };
784    uint8_t depth_bits[4], stencil_bits[4], msaa_samples_array[1];
785    int color;
786    __DRIconfig **configs = NULL;
787 
788    psp->max_gl_compat_version = 13;
789    psp->max_gl_es1_version = 11;
790 
791    if (!radeonInitDriver(psp)) {
792        return NULL;
793     }
794    depth_bits[0] = 0;
795    stencil_bits[0] = 0;
796    depth_bits[1] = 16;
797    stencil_bits[1] = 0;
798    depth_bits[2] = 24;
799    stencil_bits[2] = 0;
800    depth_bits[3] = 24;
801    stencil_bits[3] = 8;
802 
803    msaa_samples_array[0] = 0;
804 
805    for (color = 0; color < ARRAY_SIZE(formats); color++) {
806       __DRIconfig **new_configs;
807 
808       new_configs = driCreateConfigs(formats[color],
809 				     depth_bits,
810 				     stencil_bits,
811 				     ARRAY_SIZE(depth_bits),
812 				     back_buffer_modes,
813 				     ARRAY_SIZE(back_buffer_modes),
814 				     msaa_samples_array,
815 				     ARRAY_SIZE(msaa_samples_array),
816 				     GL_TRUE, GL_FALSE);
817       configs = driConcatConfigs(configs, new_configs);
818    }
819 
820    if (configs == NULL) {
821       fprintf(stderr, "[%s:%u] Error creating FBConfig!\n", __func__,
822               __LINE__);
823       return NULL;
824    }
825 
826    return (const __DRIconfig **)configs;
827 }
828 
829 static const struct __DriverAPIRec radeon_driver_api = {
830    .InitScreen      = radeonInitScreen2,
831    .DestroyScreen   = radeonDestroyScreen,
832 #if defined(RADEON_R200)
833    .CreateContext   = r200CreateContext,
834    .DestroyContext  = r200DestroyContext,
835 #else
836    .CreateContext   = r100CreateContext,
837    .DestroyContext  = radeonDestroyContext,
838 #endif
839    .CreateBuffer    = radeonCreateBuffer,
840    .DestroyBuffer   = radeonDestroyBuffer,
841    .MakeCurrent     = radeonMakeCurrent,
842    .UnbindContext   = radeonUnbindContext,
843 };
844 
845 static const struct __DRIDriverVtableExtensionRec radeon_vtable = {
846    .base = { __DRI_DRIVER_VTABLE, 1 },
847    .vtable = &radeon_driver_api,
848 };
849 
850 /* This is the table of extensions that the loader will dlsym() for. */
851 static const __DRIextension *radeon_driver_extensions[] = {
852     &driCoreExtension.base,
853     &driDRI2Extension.base,
854     &radeon_config_options.base,
855     &radeon_vtable.base,
856     NULL
857 };
858 
859 #ifdef RADEON_R200
__driDriverGetExtensions_r200(void)860 PUBLIC const __DRIextension **__driDriverGetExtensions_r200(void)
861 {
862    globalDriverAPI = &radeon_driver_api;
863 
864    return radeon_driver_extensions;
865 }
866 #else
__driDriverGetExtensions_radeon(void)867 PUBLIC const __DRIextension **__driDriverGetExtensions_radeon(void)
868 {
869    globalDriverAPI = &radeon_driver_api;
870 
871    return radeon_driver_extensions;
872 }
873 #endif
874