2 * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
3 * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sub license,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice (including the
13 * next paragraph) shall be included in all copies or substantial portions
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
19 * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
26 #include <X11/Xlibint.h>
29 #include "savagecontext.h"
32 #include "framebuffer.h"
33 #include "renderbuffer.h"
34 #include "simple_list.h"
38 #include "extensions.h"
40 #include "swrast/swrast.h"
41 #include "swrast_setup/swrast_setup.h"
45 #include "tnl/t_pipeline.h"
47 #include "drivers/common/driverfuncs.h"
50 #include "savagestate.h"
51 #include "savagetex.h"
52 #include "savagespan.h"
53 #include "savagetris.h"
54 #include "savageioctl.h"
55 #include "savage_bci.h"
57 #include "savage_dri.h"
59 #include "drirenderbuffer.h"
62 #define need_GL_ARB_multisample
63 #define need_GL_ARB_texture_compression
64 #define need_GL_EXT_secondary_color
65 #include "extension_helper.h"
69 /* Driver-specific options
71 #define SAVAGE_ENABLE_VDMA(def) \
72 DRI_CONF_OPT_BEGIN(enable_vdma,bool,def) \
73 DRI_CONF_DESC(en,"Use DMA for vertex transfers") \
74 DRI_CONF_DESC(de,"Benutze DMA für Vertextransfers") \
76 #define SAVAGE_ENABLE_FASTPATH(def) \
77 DRI_CONF_OPT_BEGIN(enable_fastpath,bool,def) \
78 DRI_CONF_DESC(en,"Use fast path for unclipped primitives") \
79 DRI_CONF_DESC(de,"Schneller Codepfad für ungeschnittene Polygone") \
81 #define SAVAGE_SYNC_FRAMES(def) \
82 DRI_CONF_OPT_BEGIN(sync_frames,bool,def) \
83 DRI_CONF_DESC(en,"Synchronize with graphics hardware after each frame") \
84 DRI_CONF_DESC(de,"Synchronisiere nach jedem Frame mit Grafikhardware") \
89 PUBLIC
const char __driConfigOptions
[] =
91 DRI_CONF_SECTION_QUALITY
92 DRI_CONF_TEXTURE_DEPTH(DRI_CONF_TEXTURE_DEPTH_FB
)
93 DRI_CONF_COLOR_REDUCTION(DRI_CONF_COLOR_REDUCTION_DITHER
)
94 DRI_CONF_FLOAT_DEPTH(false)
96 DRI_CONF_SECTION_PERFORMANCE
97 SAVAGE_ENABLE_VDMA(true)
98 SAVAGE_ENABLE_FASTPATH(true)
99 SAVAGE_SYNC_FRAMES(false)
100 DRI_CONF_MAX_TEXTURE_UNITS(2,1,2)
101 DRI_CONF_TEXTURE_HEAPS(DRI_CONF_TEXTURE_HEAPS_ALL
)
102 DRI_CONF_FORCE_S3TC_ENABLE(false)
104 DRI_CONF_SECTION_DEBUG
105 DRI_CONF_NO_RAST(false)
108 static const GLuint __driNConfigOptions
= 10;
111 static const struct dri_debug_control debug_control
[] =
113 { "fall", DEBUG_FALLBACKS
},
114 { "api", DEBUG_VERBOSE_API
},
115 { "tex", DEBUG_VERBOSE_TEX
},
116 { "verb", DEBUG_VERBOSE_MSG
},
117 { "dma", DEBUG_DMA
},
118 { "state", DEBUG_STATE
},
122 int SAVAGE_DEBUG
= 0;
126 /*For time caculating test*/
127 #if defined(DEBUG_TIME) && DEBUG_TIME
128 struct timeval tv_s
,tv_f
;
129 unsigned long time_sum
=0;
130 struct timeval tv_s1
,tv_f1
;
133 static const struct dri_extension card_extensions
[] =
135 { "GL_ARB_multisample", GL_ARB_multisample_functions
},
136 { "GL_ARB_multitexture", NULL
},
137 { "GL_ARB_texture_compression", GL_ARB_texture_compression_functions
},
138 { "GL_EXT_stencil_wrap", NULL
},
139 { "GL_EXT_texture_lod_bias", NULL
},
140 { "GL_EXT_secondary_color", GL_EXT_secondary_color_functions
},
144 static const struct dri_extension s4_extensions
[] =
146 { "GL_ARB_texture_env_add", NULL
},
147 { "GL_ARB_texture_mirrored_repeat", NULL
},
151 extern struct tnl_pipeline_stage _savage_texnorm_stage
;
152 extern struct tnl_pipeline_stage _savage_render_stage
;
154 static const struct tnl_pipeline_stage
*savage_pipeline
[] = {
156 &_tnl_vertex_transform_stage
,
157 &_tnl_normal_transform_stage
,
158 &_tnl_lighting_stage
,
159 &_tnl_fog_coordinate_stage
,
161 &_tnl_texture_transform_stage
,
162 &_savage_texnorm_stage
,
163 &_savage_render_stage
,
169 /* this is first function called in dirver*/
172 savageInitDriver(__DRIscreenPrivate
*sPriv
)
174 savageScreenPrivate
*savageScreen
;
175 SAVAGEDRIPtr gDRIPriv
= (SAVAGEDRIPtr
)sPriv
->pDevPriv
;
176 PFNGLXSCRENABLEEXTENSIONPROC glx_enable_extension
=
177 (PFNGLXSCRENABLEEXTENSIONPROC
) (*dri_interface
->getProcAddress("glxEnableExtension"));
180 if (sPriv
->devPrivSize
!= sizeof(SAVAGEDRIRec
)) {
181 fprintf(stderr
,"\nERROR! sizeof(SAVAGEDRIRec) does not match passed size from device driver\n");
185 /* Allocate the private area */
186 savageScreen
= (savageScreenPrivate
*)Xmalloc(sizeof(savageScreenPrivate
));
190 savageScreen
->driScrnPriv
= sPriv
;
191 sPriv
->private = (void *)savageScreen
;
193 savageScreen
->chipset
=gDRIPriv
->chipset
;
194 savageScreen
->width
=gDRIPriv
->width
;
195 savageScreen
->height
=gDRIPriv
->height
;
196 savageScreen
->mem
=gDRIPriv
->mem
;
197 savageScreen
->cpp
=gDRIPriv
->cpp
;
198 savageScreen
->zpp
=gDRIPriv
->zpp
;
200 savageScreen
->agpMode
=gDRIPriv
->agpMode
;
202 savageScreen
->bufferSize
=gDRIPriv
->bufferSize
;
204 if (gDRIPriv
->cpp
== 4)
205 savageScreen
->frontFormat
= DV_PF_8888
;
207 savageScreen
->frontFormat
= DV_PF_565
;
208 savageScreen
->frontOffset
=gDRIPriv
->frontOffset
;
209 savageScreen
->backOffset
= gDRIPriv
->backOffset
;
210 savageScreen
->depthOffset
=gDRIPriv
->depthOffset
;
212 savageScreen
->textureOffset
[SAVAGE_CARD_HEAP
] =
213 gDRIPriv
->textureOffset
;
214 savageScreen
->textureSize
[SAVAGE_CARD_HEAP
] =
215 gDRIPriv
->textureSize
;
216 savageScreen
->logTextureGranularity
[SAVAGE_CARD_HEAP
] =
217 gDRIPriv
->logTextureGranularity
;
219 savageScreen
->textureOffset
[SAVAGE_AGP_HEAP
] =
220 gDRIPriv
->agpTextureHandle
;
221 savageScreen
->textureSize
[SAVAGE_AGP_HEAP
] =
222 gDRIPriv
->agpTextureSize
;
223 savageScreen
->logTextureGranularity
[SAVAGE_AGP_HEAP
] =
224 gDRIPriv
->logAgpTextureGranularity
;
226 savageScreen
->agpTextures
.handle
= gDRIPriv
->agpTextureHandle
;
227 savageScreen
->agpTextures
.size
= gDRIPriv
->agpTextureSize
;
228 if (gDRIPriv
->agpTextureSize
) {
229 if (drmMap(sPriv
->fd
,
230 savageScreen
->agpTextures
.handle
,
231 savageScreen
->agpTextures
.size
,
232 (drmAddress
*)&(savageScreen
->agpTextures
.map
)) != 0) {
234 sPriv
->private = NULL
;
238 savageScreen
->agpTextures
.map
= NULL
;
240 savageScreen
->texVirtual
[SAVAGE_CARD_HEAP
] =
241 (drmAddress
)(((GLubyte
*)sPriv
->pFB
)+gDRIPriv
->textureOffset
);
242 savageScreen
->texVirtual
[SAVAGE_AGP_HEAP
] =
243 (drmAddress
)(savageScreen
->agpTextures
.map
);
245 savageScreen
->aperture
.handle
= gDRIPriv
->apertureHandle
;
246 savageScreen
->aperture
.size
= gDRIPriv
->apertureSize
;
247 savageScreen
->aperturePitch
= gDRIPriv
->aperturePitch
;
248 if (drmMap(sPriv
->fd
,
249 savageScreen
->aperture
.handle
,
250 savageScreen
->aperture
.size
,
251 (drmAddress
*)&savageScreen
->aperture
.map
) != 0)
254 sPriv
->private = NULL
;
258 savageScreen
->bufs
= drmMapBufs(sPriv
->fd
);
260 savageScreen
->sarea_priv_offset
= gDRIPriv
->sarea_priv_offset
;
262 /* parse information in __driConfigOptions */
263 driParseOptionInfo (&savageScreen
->optionCache
,
264 __driConfigOptions
, __driNConfigOptions
);
266 if (glx_enable_extension
!= NULL
) {
267 (*glx_enable_extension
)(sPriv
->psc
->screenConfigs
,
268 "GLX_SGI_make_current_read");
272 savageDDFastPathInit();
273 savageDDTrifuncInit();
279 /* Accessed by dlsym from dri_mesa_init.c
282 savageDestroyScreen(__DRIscreenPrivate
*sPriv
)
284 savageScreenPrivate
*savageScreen
= (savageScreenPrivate
*)sPriv
->private;
286 if (savageScreen
->bufs
)
287 drmUnmapBufs(savageScreen
->bufs
);
289 /* free all option information */
290 driDestroyOptionInfo (&savageScreen
->optionCache
);
293 sPriv
->private = NULL
;
297 GLvisual
*XMesaCreateVisual(Display
*dpy
,
298 __DRIscreenPrivate
*driScrnPriv
,
299 const XVisualInfo
*visinfo
,
300 const __GLXvisualConfig
*config
)
302 /* Drivers may change the args to _mesa_create_visual() in order to
303 * setup special visuals.
305 return _mesa_create_visual( config
->rgba
,
306 config
->doubleBuffer
,
308 _mesa_bitcount(visinfo
->red_mask
),
309 _mesa_bitcount(visinfo
->green_mask
),
310 _mesa_bitcount(visinfo
->blue_mask
),
315 config
->accumRedSize
,
316 config
->accumGreenSize
,
317 config
->accumBlueSize
,
318 config
->accumAlphaSize
,
319 0 /* num samples */ );
325 savageCreateContext( const __GLcontextModes
*mesaVis
,
326 __DRIcontextPrivate
*driContextPriv
,
327 void *sharedContextPrivate
)
329 GLcontext
*ctx
, *shareCtx
;
330 savageContextPtr imesa
;
331 __DRIscreenPrivate
*sPriv
= driContextPriv
->driScreenPriv
;
332 struct dd_function_table functions
;
333 savageScreenPrivate
*savageScreen
= (savageScreenPrivate
*)sPriv
->private;
334 drm_savage_sarea_t
*saPriv
=(drm_savage_sarea_t
*)(((char*)sPriv
->pSAREA
)+
335 savageScreen
->sarea_priv_offset
);
336 int textureSize
[SAVAGE_NR_TEX_HEAPS
];
338 imesa
= (savageContextPtr
)Xcalloc(sizeof(savageContext
), 1);
343 /* Init default driver functions then plug in savage-specific texture
344 * functions that are needed as early as during context creation. */
345 _mesa_init_driver_functions( &functions
);
346 savageDDInitTextureFuncs( &functions
);
348 /* Allocate the Mesa context */
349 if (sharedContextPrivate
)
350 shareCtx
= ((savageContextPtr
) sharedContextPrivate
)->glCtx
;
353 ctx
= _mesa_create_context(mesaVis
, shareCtx
, &functions
, imesa
);
358 driContextPriv
->driverPrivate
= imesa
;
360 imesa
->cmdBuf
.size
= SAVAGE_CMDBUF_SIZE
;
361 imesa
->cmdBuf
.base
= imesa
->cmdBuf
.write
=
362 malloc(SAVAGE_CMDBUF_SIZE
* sizeof(drm_savage_cmd_header_t
));
363 if (!imesa
->cmdBuf
.base
)
366 /* Parse configuration files */
367 driParseConfigFiles (&imesa
->optionCache
, &savageScreen
->optionCache
,
368 sPriv
->myNum
, "savage");
370 imesa
->float_depth
= driQueryOptionb(&imesa
->optionCache
, "float_depth") &&
371 savageScreen
->chipset
>= S3_SAVAGE4
;
372 imesa
->no_rast
= driQueryOptionb(&imesa
->optionCache
, "no_rast");
375 ctx
->Const
.MinLineWidth
= 1.0;
376 ctx
->Const
.MinLineWidthAA
= 1.0;
377 ctx
->Const
.MaxLineWidth
= 3.0;
378 ctx
->Const
.MaxLineWidthAA
= 3.0;
379 ctx
->Const
.LineWidthGranularity
= 1.0;
384 imesa
->hHWContext
= driContextPriv
->hHWContext
;
385 imesa
->driFd
= sPriv
->fd
;
386 imesa
->driHwLock
= &sPriv
->pSAREA
->lock
;
388 imesa
->savageScreen
= savageScreen
;
389 imesa
->driScreen
= sPriv
;
390 imesa
->sarea
= saPriv
;
391 imesa
->glBuffer
= NULL
;
397 imesa
->apertureBase
[i
] = (GLubyte
*)savageScreen
->aperture
.map
+
401 imesa
->aperturePitch
= savageScreen
->aperturePitch
;
403 /* change texHeap initialize to support two kind of texture heap*/
404 /* here is some parts of initialization, others in InitDriver() */
406 (void) memset( imesa
->textureHeaps
, 0, sizeof( imesa
->textureHeaps
) );
407 make_empty_list( & imesa
->swapped
);
409 textureSize
[SAVAGE_CARD_HEAP
] = savageScreen
->textureSize
[SAVAGE_CARD_HEAP
];
410 textureSize
[SAVAGE_AGP_HEAP
] = savageScreen
->textureSize
[SAVAGE_AGP_HEAP
];
411 imesa
->lastTexHeap
= savageScreen
->texVirtual
[SAVAGE_AGP_HEAP
] ? 2 : 1;
412 switch(driQueryOptioni (&imesa
->optionCache
, "texture_heaps")) {
413 case DRI_CONF_TEXTURE_HEAPS_CARD
: /* only use card memory, if available */
414 if (textureSize
[SAVAGE_CARD_HEAP
])
415 imesa
->lastTexHeap
= 1;
417 case DRI_CONF_TEXTURE_HEAPS_GART
: /* only use gart memory, if available */
418 if (imesa
->lastTexHeap
== 2 && textureSize
[SAVAGE_AGP_HEAP
])
419 textureSize
[SAVAGE_CARD_HEAP
] = 0;
421 /*default: Nothing to do, use all available memory. */
424 for (i
= 0; i
< imesa
->lastTexHeap
; i
++) {
425 imesa
->textureHeaps
[i
] = driCreateTextureHeap(
428 11, /* 2^11 = 2k alignment */
429 SAVAGE_NR_TEX_REGIONS
,
430 (drmTextureRegionPtr
)imesa
->sarea
->texList
[i
],
431 &imesa
->sarea
->texAge
[i
],
433 sizeof( savageTexObj
),
434 (destroy_texture_object_t
*) savageDestroyTexObj
);
435 /* If textureSize[i] == 0 textureHeaps[i] is NULL. This can happen
436 * if there is not enough card memory for a card texture heap. */
437 if (imesa
->textureHeaps
[i
])
438 driSetTextureSwapCounterLocation( imesa
->textureHeaps
[i
],
439 & imesa
->c_textureSwaps
);
441 imesa
->texture_depth
= driQueryOptioni (&imesa
->optionCache
,
443 if (imesa
->texture_depth
== DRI_CONF_TEXTURE_DEPTH_FB
)
444 imesa
->texture_depth
= ( savageScreen
->cpp
== 4 ) ?
445 DRI_CONF_TEXTURE_DEPTH_32
: DRI_CONF_TEXTURE_DEPTH_16
;
447 if (savageScreen
->chipset
>= S3_SAVAGE4
)
448 ctx
->Const
.MaxTextureUnits
= 2;
450 ctx
->Const
.MaxTextureUnits
= 1;
451 if (driQueryOptioni(&imesa
->optionCache
, "texture_units") <
452 ctx
->Const
.MaxTextureUnits
)
453 ctx
->Const
.MaxTextureUnits
=
454 driQueryOptioni(&imesa
->optionCache
, "texture_units");
455 ctx
->Const
.MaxTextureImageUnits
= ctx
->Const
.MaxTextureUnits
;
456 ctx
->Const
.MaxTextureCoordUnits
= ctx
->Const
.MaxTextureUnits
;
458 driCalculateMaxTextureLevels( imesa
->textureHeaps
,
462 11, /* max 2D texture size is 2048x2048 */
463 0, /* 3D textures unsupported. */
464 0, /* cube textures unsupported. */
465 0, /* texture rectangles unsupported. */
469 if (ctx
->Const
.MaxTextureLevels
<= 6) { /*spec requires at least 64x64*/
470 __driUtilMessage("Not enough texture memory. "
471 "Falling back to indirect rendering.");
476 imesa
->hw_stencil
= mesaVis
->stencilBits
&& mesaVis
->depthBits
== 24;
477 imesa
->depth_scale
= (imesa
->savageScreen
->zpp
== 2) ?
478 (1.0F
/0xffff):(1.0F
/0xffffff);
480 imesa
->bufferSize
= savageScreen
->bufferSize
;
481 imesa
->dmaVtxBuf
.total
= 0;
482 imesa
->dmaVtxBuf
.used
= 0;
483 imesa
->dmaVtxBuf
.flushed
= 0;
485 imesa
->clientVtxBuf
.total
= imesa
->bufferSize
/ 4;
486 imesa
->clientVtxBuf
.used
= 0;
487 imesa
->clientVtxBuf
.flushed
= 0;
488 imesa
->clientVtxBuf
.buf
= (u_int32_t
*)malloc(imesa
->bufferSize
);
490 imesa
->vtxBuf
= &imesa
->clientVtxBuf
;
492 imesa
->firstElt
= -1;
494 /* Uninitialized vertex format. Force setting the vertex state in
497 imesa
->vertex_size
= 0;
501 imesa
->new_state
= ~0;
502 imesa
->new_gl_state
= ~0;
503 imesa
->RenderIndex
= ~0;
505 imesa
->lostContext
= GL_TRUE
;
506 imesa
->CurrentTexObj
[0] = 0;
507 imesa
->CurrentTexObj
[1] = 0;
509 /* Initialize the software rasterizer and helper modules.
511 _swrast_CreateContext( ctx
);
512 _vbo_CreateContext( ctx
);
513 _tnl_CreateContext( ctx
);
515 _swsetup_CreateContext( ctx
);
517 /* Install the customized pipeline:
519 _tnl_destroy_pipeline( ctx
);
520 _tnl_install_pipeline( ctx
, savage_pipeline
);
522 imesa
->enable_fastpath
= driQueryOptionb(&imesa
->optionCache
,
524 /* DRM versions before 2.1.3 would only render triangle lists. ELTS
525 * support was added in 2.2.0. */
526 if (imesa
->enable_fastpath
&& sPriv
->drmMinor
< 2) {
528 "*** Disabling fast path because your DRM version is buggy "
529 "or doesn't\n*** support ELTS. You need at least Savage DRM "
531 imesa
->enable_fastpath
= GL_FALSE
;
534 if (!savageScreen
->bufs
|| savageScreen
->chipset
== S3_SUPERSAVAGE
)
535 imesa
->enable_vdma
= GL_FALSE
;
537 imesa
->enable_vdma
= driQueryOptionb(&imesa
->optionCache
, "enable_vdma");
539 imesa
->sync_frames
= driQueryOptionb(&imesa
->optionCache
, "sync_frames");
541 /* Configure swrast to match hardware characteristics:
543 _tnl_allow_pixel_fog( ctx
, GL_FALSE
);
544 _tnl_allow_vertex_fog( ctx
, GL_TRUE
);
545 _swrast_allow_pixel_fog( ctx
, GL_FALSE
);
546 _swrast_allow_vertex_fog( ctx
, GL_TRUE
);
548 ctx
->DriverCtx
= (void *) imesa
;
552 SAVAGE_DEBUG
= driParseDebugString( getenv( "SAVAGE_DEBUG" ),
556 driInitExtensions( ctx
, card_extensions
, GL_TRUE
);
557 if (savageScreen
->chipset
>= S3_SAVAGE4
)
558 driInitExtensions( ctx
, s4_extensions
, GL_FALSE
);
559 if (ctx
->Mesa_DXTn
||
560 driQueryOptionb (&imesa
->optionCache
, "force_s3tc_enable")) {
561 _mesa_enable_extension( ctx
, "GL_S3_s3tc" );
562 if (savageScreen
->chipset
>= S3_SAVAGE4
)
563 /* This extension needs DXT3 and DTX5 support in hardware.
564 * Not available on Savage3D/MX/IX. */
565 _mesa_enable_extension( ctx
, "GL_EXT_texture_compression_s3tc" );
568 savageDDInitStateFuncs( ctx
);
569 savageDDInitSpanFuncs( ctx
);
570 savageDDInitDriverFuncs( ctx
);
571 savageDDInitIoctlFuncs( ctx
);
572 savageInitTriFuncs( ctx
);
574 savageDDInitState( imesa
);
576 driContextPriv
->driverPrivate
= (void *) imesa
;
582 savageDestroyContext(__DRIcontextPrivate
*driContextPriv
)
584 savageContextPtr imesa
= (savageContextPtr
) driContextPriv
->driverPrivate
;
587 assert (imesa
); /* should never be NULL */
589 savageFlushVertices(imesa
);
590 savageReleaseIndexedVerts(imesa
);
591 savageFlushCmdBuf(imesa
, GL_TRUE
); /* release DMA buffer */
592 WAIT_IDLE_EMPTY(imesa
);
594 for (i
= 0; i
< imesa
->lastTexHeap
; i
++)
595 driDestroyTextureHeap(imesa
->textureHeaps
[i
]);
597 free(imesa
->cmdBuf
.base
);
598 free(imesa
->clientVtxBuf
.buf
);
600 _swsetup_DestroyContext(imesa
->glCtx
);
601 _tnl_DestroyContext( imesa
->glCtx
);
602 _vbo_DestroyContext( imesa
->glCtx
);
603 _swrast_DestroyContext( imesa
->glCtx
);
605 /* free the Mesa context */
606 imesa
->glCtx
->DriverCtx
= NULL
;
607 _mesa_destroy_context(imesa
->glCtx
);
609 /* no longer use vertex_dma_buf*/
616 savageCreateBuffer( __DRIscreenPrivate
*driScrnPriv
,
617 __DRIdrawablePrivate
*driDrawPriv
,
618 const __GLcontextModes
*mesaVis
,
621 savageScreenPrivate
*screen
= (savageScreenPrivate
*) driScrnPriv
->private;
624 return GL_FALSE
; /* not implemented */
627 GLboolean swStencil
= mesaVis
->stencilBits
> 0 && mesaVis
->depthBits
!= 24;
628 struct gl_framebuffer
*fb
= _mesa_create_framebuffer(mesaVis
);
630 * XXX: this value needs to be set according to the config file
631 * setting. But we don't get that until we create a rendering
634 GLboolean float_depth
= GL_FALSE
;
637 driRenderbuffer
*frontRb
638 = driNewRenderbuffer(GL_RGBA
,
639 (GLubyte
*) screen
->aperture
.map
640 + 0x01000000 * TARGET_FRONT
,
642 screen
->frontOffset
, screen
->aperturePitch
,
644 savageSetSpanFunctions(frontRb
, mesaVis
, float_depth
);
645 assert(frontRb
->Base
.Data
);
646 _mesa_add_renderbuffer(fb
, BUFFER_FRONT_LEFT
, &frontRb
->Base
);
649 if (mesaVis
->doubleBufferMode
) {
650 driRenderbuffer
*backRb
651 = driNewRenderbuffer(GL_RGBA
,
652 (GLubyte
*) screen
->aperture
.map
653 + 0x01000000 * TARGET_BACK
,
655 screen
->backOffset
, screen
->aperturePitch
,
657 savageSetSpanFunctions(backRb
, mesaVis
, float_depth
);
658 assert(backRb
->Base
.Data
);
659 _mesa_add_renderbuffer(fb
, BUFFER_BACK_LEFT
, &backRb
->Base
);
662 if (mesaVis
->depthBits
== 16) {
663 driRenderbuffer
*depthRb
664 = driNewRenderbuffer(GL_DEPTH_COMPONENT16
,
665 (GLubyte
*) screen
->aperture
.map
666 + 0x01000000 * TARGET_DEPTH
,
668 screen
->depthOffset
, screen
->aperturePitch
,
670 savageSetSpanFunctions(depthRb
, mesaVis
, float_depth
);
671 _mesa_add_renderbuffer(fb
, BUFFER_DEPTH
, &depthRb
->Base
);
673 else if (mesaVis
->depthBits
== 24) {
674 driRenderbuffer
*depthRb
675 = driNewRenderbuffer(GL_DEPTH_COMPONENT24
,
676 (GLubyte
*) screen
->aperture
.map
677 + 0x01000000 * TARGET_DEPTH
,
679 screen
->depthOffset
, screen
->aperturePitch
,
681 savageSetSpanFunctions(depthRb
, mesaVis
, float_depth
);
682 _mesa_add_renderbuffer(fb
, BUFFER_DEPTH
, &depthRb
->Base
);
685 if (mesaVis
->stencilBits
> 0 && !swStencil
) {
686 driRenderbuffer
*stencilRb
687 = driNewRenderbuffer(GL_STENCIL_INDEX8_EXT
,
688 (GLubyte
*) screen
->aperture
.map
689 + 0x01000000 * TARGET_DEPTH
,
691 screen
->depthOffset
, screen
->aperturePitch
,
693 savageSetSpanFunctions(stencilRb
, mesaVis
, float_depth
);
694 _mesa_add_renderbuffer(fb
, BUFFER_STENCIL
, &stencilRb
->Base
);
697 _mesa_add_soft_renderbuffers(fb
,
698 GL_FALSE
, /* color */
699 GL_FALSE
, /* depth */
701 mesaVis
->accumRedBits
> 0,
702 GL_FALSE
, /* alpha */
704 driDrawPriv
->driverPrivate
= (void *) fb
;
706 return (driDrawPriv
->driverPrivate
!= NULL
);
711 savageDestroyBuffer(__DRIdrawablePrivate
*driDrawPriv
)
713 _mesa_destroy_framebuffer((GLframebuffer
*) (driDrawPriv
->driverPrivate
));
717 void XMesaSwapBuffers(__DRIdrawablePrivate
*driDrawPriv
)
719 /* XXX should do swap according to the buffer, not the context! */
720 savageContextPtr imesa
= savageCtx
;
722 FLUSH_VB( imesa
->glCtx
, "swap buffers" );
723 savageSwapBuffers(imesa
);
728 void savageXMesaSetClipRects(savageContextPtr imesa
)
730 __DRIdrawablePrivate
*dPriv
= imesa
->driDrawable
;
732 if ((dPriv
->numBackClipRects
== 0)
733 || (imesa
->glCtx
->DrawBuffer
->_ColorDrawBufferMask
[0] == BUFFER_BIT_FRONT_LEFT
)) {
734 imesa
->numClipRects
= dPriv
->numClipRects
;
735 imesa
->pClipRects
= dPriv
->pClipRects
;
736 imesa
->drawX
= dPriv
->x
;
737 imesa
->drawY
= dPriv
->y
;
739 imesa
->numClipRects
= dPriv
->numBackClipRects
;
740 imesa
->pClipRects
= dPriv
->pBackClipRects
;
741 imesa
->drawX
= dPriv
->backX
;
742 imesa
->drawY
= dPriv
->backY
;
745 savageCalcViewport( imesa
->glCtx
);
749 static void savageXMesaWindowMoved( savageContextPtr imesa
)
751 __DRIdrawablePrivate
*const drawable
= imesa
->driDrawable
;
752 __DRIdrawablePrivate
*const readable
= imesa
->driReadable
;
755 fprintf(stderr
, "savageXMesaWindowMoved\n\n");
757 savageXMesaSetClipRects(imesa
);
759 driUpdateFramebufferSize(imesa
->glCtx
, drawable
);
760 if (drawable
!= readable
) {
761 driUpdateFramebufferSize(imesa
->glCtx
, readable
);
767 savageUnbindContext(__DRIcontextPrivate
*driContextPriv
)
769 savageContextPtr savage
= (savageContextPtr
) driContextPriv
->driverPrivate
;
778 savageOpenFullScreen(__DRIcontextPrivate
*driContextPriv
)
783 if (driContextPriv
) {
784 savageContextPtr imesa
= (savageContextPtr
) driContextPriv
->driverPrivate
;
785 imesa
->IsFullScreen
= GL_TRUE
;
786 imesa
->backup_frontOffset
= imesa
->savageScreen
->frontOffset
;
787 imesa
->backup_backOffset
= imesa
->savageScreen
->backOffset
;
788 imesa
->backup_frontBitmapDesc
= imesa
->savageScreen
->frontBitmapDesc
;
789 imesa
->savageScreen
->frontBitmapDesc
= imesa
->savageScreen
->backBitmapDesc
;
790 imesa
->toggle
= TARGET_BACK
;
797 savageCloseFullScreen(__DRIcontextPrivate
*driContextPriv
)
800 if (driContextPriv
) {
801 savageContextPtr imesa
= (savageContextPtr
) driContextPriv
->driverPrivate
;
802 WAIT_IDLE_EMPTY(imesa
);
803 imesa
->IsFullScreen
= GL_FALSE
;
804 imesa
->savageScreen
->frontOffset
= imesa
->backup_frontOffset
;
805 imesa
->savageScreen
->backOffset
= imesa
->backup_backOffset
;
806 imesa
->savageScreen
->frontBitmapDesc
= imesa
->backup_frontBitmapDesc
;
813 savageMakeCurrent(__DRIcontextPrivate
*driContextPriv
,
814 __DRIdrawablePrivate
*driDrawPriv
,
815 __DRIdrawablePrivate
*driReadPriv
)
817 if (driContextPriv
) {
818 savageContextPtr imesa
819 = (savageContextPtr
) driContextPriv
->driverPrivate
;
820 struct gl_framebuffer
*drawBuffer
821 = (GLframebuffer
*) driDrawPriv
->driverPrivate
;
822 struct gl_framebuffer
*readBuffer
823 = (GLframebuffer
*) driReadPriv
->driverPrivate
;
824 driRenderbuffer
*frontRb
= (driRenderbuffer
*)
825 drawBuffer
->Attachment
[BUFFER_FRONT_LEFT
].Renderbuffer
;
826 driRenderbuffer
*backRb
= (driRenderbuffer
*)
827 drawBuffer
->Attachment
[BUFFER_BACK_LEFT
].Renderbuffer
;
829 assert(frontRb
->Base
.Data
);
830 if (imesa
->glCtx
->Visual
.doubleBufferMode
) {
831 assert(backRb
->Base
.Data
);
834 imesa
->driReadable
= driReadPriv
;
835 imesa
->driDrawable
= driDrawPriv
;
838 _mesa_make_current(imesa
->glCtx
, drawBuffer
, readBuffer
);
840 savageXMesaWindowMoved( imesa
);
844 _mesa_make_current(NULL
, NULL
, NULL
);
850 void savageGetLock( savageContextPtr imesa
, GLuint flags
)
852 __DRIdrawablePrivate
*const drawable
= imesa
->driDrawable
;
853 __DRIdrawablePrivate
*const readable
= imesa
->driReadable
;
854 __DRIscreenPrivate
*sPriv
= imesa
->driScreen
;
855 drm_savage_sarea_t
*sarea
= imesa
->sarea
;
856 int me
= imesa
->hHWContext
;
857 int stamp
= drawable
->lastStamp
;
859 unsigned int timestamp
= 0;
863 /* We know there has been contention.
865 drmGetLock(imesa
->driFd
, imesa
->hHWContext
, flags
);
868 /* Note contention for throttling hint
870 imesa
->any_contend
= 1;
872 /* If the window moved, may need to set a new cliprect now.
874 * NOTE: This releases and regains the hw lock, so all state
875 * checking must be done *after* this call:
877 DRI_VALIDATE_DRAWABLE_INFO(sPriv
, drawable
);
878 if (drawable
!= readable
) {
879 DRI_VALIDATE_DRAWABLE_INFO(sPriv
, readable
);
883 /* If we lost context, need to dump all registers to hardware.
884 * Note that we don't care about 2d contexts, even if they perform
885 * accelerated commands, so the DRI locking in the X server is even
886 * more broken than usual.
888 if (sarea
->ctxOwner
!= me
) {
889 imesa
->dirty
|= (SAVAGE_UPLOAD_LOCAL
|
890 SAVAGE_UPLOAD_GLOBAL
|
891 SAVAGE_UPLOAD_FOGTBL
|
894 SAVAGE_UPLOAD_TEXGLOBAL
);
895 imesa
->lostContext
= GL_TRUE
;
896 sarea
->ctxOwner
= me
;
899 for (heap
= 0; heap
< imesa
->lastTexHeap
; ++heap
) {
900 /* If a heap was changed, update its timestamp. Do this before
901 * DRI_AGE_TEXTURES updates the local_age. */
902 if (imesa
->textureHeaps
[heap
] &&
903 imesa
->textureHeaps
[heap
]->global_age
[0] >
904 imesa
->textureHeaps
[heap
]->local_age
) {
906 timestamp
= savageEmitEventLocked(imesa
, 0);
907 imesa
->textureHeaps
[heap
]->timestamp
= timestamp
;
909 DRI_AGE_TEXTURES( imesa
->textureHeaps
[heap
] );
912 if (drawable
->lastStamp
!= stamp
) {
913 driUpdateFramebufferSize(imesa
->glCtx
, drawable
);
914 savageXMesaWindowMoved( imesa
);
920 static const struct __DriverAPIRec savageAPI
= {
924 savageDestroyContext
,
933 static __GLcontextModes
*
934 savageFillInModes( unsigned pixel_bits
, unsigned depth_bits
,
935 unsigned stencil_bits
, GLboolean have_back_buffer
)
937 __GLcontextModes
* modes
;
938 __GLcontextModes
* m
;
940 unsigned depth_buffer_factor
;
941 unsigned back_buffer_factor
;
945 /* Right now GLX_SWAP_COPY_OML isn't supported, but it would be easy
946 * enough to add support. Basically, if a context is created with an
947 * fbconfig where the swap method is GLX_SWAP_COPY_OML, pageflipping
948 * will never be used.
950 * FK: What about drivers that don't use page flipping? Could they
951 * just expose GLX_SWAP_COPY_OML?
953 static const GLenum back_buffer_modes
[] = {
954 GLX_NONE
, GLX_SWAP_UNDEFINED_OML
/*, GLX_SWAP_COPY_OML */
957 u_int8_t depth_bits_array
[2];
958 u_int8_t stencil_bits_array
[2];
961 depth_bits_array
[0] = depth_bits
;
962 depth_bits_array
[1] = depth_bits
;
964 /* Just like with the accumulation buffer, always provide some modes
965 * with a stencil buffer. It will be a sw fallback, but some apps won't
968 stencil_bits_array
[0] = 0;
969 stencil_bits_array
[1] = (stencil_bits
== 0) ? 8 : stencil_bits
;
971 depth_buffer_factor
= ((depth_bits
!= 0) || (stencil_bits
!= 0)) ? 2 : 1;
972 back_buffer_factor
= (have_back_buffer
) ? 2 : 1;
974 num_modes
= depth_buffer_factor
* back_buffer_factor
* 4;
976 if ( pixel_bits
== 16 ) {
978 fb_type
= GL_UNSIGNED_SHORT_5_6_5
;
982 fb_type
= GL_UNSIGNED_INT_8_8_8_8_REV
;
985 modes
= (*dri_interface
->createContextModes
)( num_modes
, sizeof( __GLcontextModes
) );
987 if ( ! driFillInModes( & m
, fb_format
, fb_type
,
988 depth_bits_array
, stencil_bits_array
, depth_buffer_factor
,
989 back_buffer_modes
, back_buffer_factor
,
991 fprintf( stderr
, "[%s:%u] Error creating FBConfig!\n",
992 __func__
, __LINE__
);
996 if ( ! driFillInModes( & m
, fb_format
, fb_type
,
997 depth_bits_array
, stencil_bits_array
, depth_buffer_factor
,
998 back_buffer_modes
, back_buffer_factor
,
999 GLX_DIRECT_COLOR
) ) {
1000 fprintf( stderr
, "[%s:%u] Error creating FBConfig!\n",
1001 __func__
, __LINE__
);
1005 /* Mark the visual as slow if there are "fake" stencil bits.
1007 for ( m
= modes
; m
!= NULL
; m
= m
->next
) {
1008 if ( (m
->stencilBits
!= 0) && (m
->stencilBits
!= stencil_bits
) ) {
1009 m
->visualRating
= GLX_SLOW_CONFIG
;
1018 * This is the bootstrap function for the driver. libGL supplies all of the
1019 * requisite information about the system, and the driver initializes itself.
1020 * This routine also fills in the linked list pointed to by \c driver_modes
1021 * with the \c __GLcontextModes that the driver can support for windows or
1024 * \return A pointer to a \c __DRIscreenPrivate on success, or \c NULL on
1028 void * __driCreateNewScreen_20050727( __DRInativeDisplay
*dpy
, int scrn
, __DRIscreen
*psc
,
1029 const __GLcontextModes
* modes
,
1030 const __DRIversion
* ddx_version
,
1031 const __DRIversion
* dri_version
,
1032 const __DRIversion
* drm_version
,
1033 const __DRIframebuffer
* frame_buffer
,
1034 drmAddress pSAREA
, int fd
,
1035 int internal_api_version
,
1036 const __DRIinterfaceMethods
* interface
,
1037 __GLcontextModes
** driver_modes
)
1040 __DRIscreenPrivate
*psp
;
1041 static const __DRIversion ddx_expected
= { 2, 0, 0 };
1042 static const __DRIversion dri_expected
= { 4, 0, 0 };
1043 static const __DRIversion drm_expected
= { 2, 1, 0 };
1045 dri_interface
= interface
;
1047 if ( ! driCheckDriDdxDrmVersions2( "Savage",
1048 dri_version
, & dri_expected
,
1049 ddx_version
, & ddx_expected
,
1050 drm_version
, & drm_expected
) ) {
1054 psp
= __driUtilCreateNewScreen(dpy
, scrn
, psc
, NULL
,
1055 ddx_version
, dri_version
, drm_version
,
1056 frame_buffer
, pSAREA
, fd
,
1057 internal_api_version
, &savageAPI
);
1058 if ( psp
!= NULL
) {
1059 SAVAGEDRIPtr dri_priv
= (SAVAGEDRIPtr
)psp
->pDevPriv
;
1060 *driver_modes
= savageFillInModes( dri_priv
->cpp
*8,
1061 (dri_priv
->cpp
== 2) ? 16 : 24,
1062 (dri_priv
->cpp
== 2) ? 0 : 8,
1063 (dri_priv
->backOffset
!= dri_priv
->depthOffset
) );
1065 /* Calling driInitExtensions here, with a NULL context pointer, does not actually
1066 * enable the extensions. It just makes sure that all the dispatch offsets for all
1067 * the extensions that *might* be enables are known. This is needed because the
1068 * dispatch offsets need to be known when _mesa_context_create is called, but we can't
1069 * enable the extensions until we have a context pointer.
1071 * Hello chicken. Hello egg. How are you two today?
1073 driInitExtensions( NULL
, card_extensions
, GL_FALSE
);
1076 return (void *) psp
;