2 Copyright (C) The Weather Channel, Inc. 2002.
3 Copyright (C) 2004 Nicolai Haehnle.
6 The Weather Channel (TM) funded Tungsten Graphics to develop the
7 initial release of the Radeon 8500 driver under the XFree86 license.
8 This notice must be preserved.
10 Permission is hereby granted, free of charge, to any person obtaining
11 a copy of this software and associated documentation files (the
12 "Software"), to deal in the Software without restriction, including
13 without limitation the rights to use, copy, modify, merge, publish,
14 distribute, sublicense, and/or sell copies of the Software, and to
15 permit persons to whom the Software is furnished to do so, subject to
16 the following conditions:
18 The above copyright notice and this permission notice (including the
19 next paragraph) shall be included in all copies or substantial
20 portions of the Software.
22 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
23 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
24 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
25 IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
26 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
27 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
28 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
30 **************************************************************************/
34 * Keith Whitwell <keith@tungstengraphics.com>
35 * Nicolai Haehnle <prefect_@gmx.net>
45 #include "swrast/swrast.h"
47 #include "r300_context.h"
48 #include "radeon_ioctl.h"
49 #include "r300_ioctl.h"
50 #include "r300_cmdbuf.h"
51 #include "r300_state.h"
52 #include "r300_program.h"
53 #include "radeon_reg.h"
54 #include "r300_emit.h"
59 #define CLEARBUFFER_COLOR 0x1
60 #define CLEARBUFFER_DEPTH 0x2
62 static void r300ClearBuffer(r300ContextPtr r300
, int flags
, int buffer
)
64 GLcontext
* ctx
= r300
->radeon
.glCtx
;
65 r300ContextPtr rmesa
=r300
;
66 __DRIdrawablePrivate
*dPriv
= r300
->radeon
.dri
.drawable
;
68 GLuint cboffset
, cbpitch
;
69 drm_r300_cmd_header_t
* cmd2
;
72 if (RADEON_DEBUG
& DEBUG_IOCTL
)
73 fprintf(stderr
, "%s: %s buffer (%i,%i %ix%i)\n",
74 __FUNCTION__
, buffer
? "back" : "front",
75 dPriv
->x
, dPriv
->y
, dPriv
->w
, dPriv
->h
);
78 cboffset
= r300
->radeon
.radeonScreen
->backOffset
;
79 cbpitch
= r300
->radeon
.radeonScreen
->backPitch
;
81 cboffset
= r300
->radeon
.radeonScreen
->frontOffset
;
82 cbpitch
= r300
->radeon
.radeonScreen
->frontPitch
;
85 cboffset
+= r300
->radeon
.radeonScreen
->fbLocation
;
87 R300_STATECHANGE(r300
, vir
[0]);
88 ((drm_r300_cmd_header_t
*)r300
->hw
.vir
[0].cmd
)->unchecked_state
.count
= 1;
89 r300
->hw
.vir
[0].cmd
[1] = 0x21030003;
91 R300_STATECHANGE(r300
, vir
[1]);
92 ((drm_r300_cmd_header_t
*)r300
->hw
.vir
[1].cmd
)->unchecked_state
.count
= 1;
93 r300
->hw
.vir
[1].cmd
[1] = 0xF688F688;
95 R300_STATECHANGE(r300
, vic
);
96 r300
->hw
.vic
.cmd
[R300_VIC_CNTL_0
] = 0x00000001;
97 r300
->hw
.vic
.cmd
[R300_VIC_CNTL_1
] = 0x00000405;
99 R300_STATECHANGE(r300
, vof
);
100 r300
->hw
.vof
.cmd
[R300_VOF_CNTL_0
] = R300_VAP_OUTPUT_VTX_FMT_0__POS_PRESENT
101 | R300_VAP_OUTPUT_VTX_FMT_0__COLOR_PRESENT
;
102 r300
->hw
.vof
.cmd
[R300_VOF_CNTL_1
] = 0; /* no textures */
104 R300_STATECHANGE(r300
, txe
);
105 r300
->hw
.txe
.cmd
[R300_TXE_ENABLE
] = 0;
107 R300_STATECHANGE(r300
, vpt
);
108 r300
->hw
.vpt
.cmd
[R300_VPT_XSCALE
] = r300PackFloat32(1.0);
109 r300
->hw
.vpt
.cmd
[R300_VPT_XOFFSET
] = r300PackFloat32(dPriv
->x
);
110 r300
->hw
.vpt
.cmd
[R300_VPT_YSCALE
] = r300PackFloat32(1.0);
111 r300
->hw
.vpt
.cmd
[R300_VPT_YOFFSET
] = r300PackFloat32(dPriv
->y
);
112 r300
->hw
.vpt
.cmd
[R300_VPT_ZSCALE
] = r300PackFloat32(1.0);
113 r300
->hw
.vpt
.cmd
[R300_VPT_ZOFFSET
] = r300PackFloat32(0.0);
115 R300_STATECHANGE(r300
, at
);
116 r300
->hw
.at
.cmd
[R300_AT_ALPHA_TEST
] = 0;
118 R300_STATECHANGE(r300
, bld
);
119 r300
->hw
.bld
.cmd
[R300_BLD_CBLEND
] = 0;
120 r300
->hw
.bld
.cmd
[R300_BLD_ABLEND
] = 0;
122 R300_STATECHANGE(r300
, cb
);
123 r300
->hw
.cb
.cmd
[R300_CB_OFFSET
] = cboffset
;
124 r300
->hw
.cb
.cmd
[R300_CB_PITCH
] = cbpitch
| R300_COLOR_UNKNOWN_22_23
;
126 R300_STATECHANGE(r300
, unk221C
);
127 r300
->hw
.unk221C
.cmd
[1] = R300_221C_CLEAR
;
129 R300_STATECHANGE(r300
, ps
);
130 r300
->hw
.ps
.cmd
[R300_PS_POINTSIZE
] =
131 ((dPriv
->w
* 6) << R300_POINTSIZE_X_SHIFT
) |
132 ((dPriv
->h
* 6) << R300_POINTSIZE_Y_SHIFT
);
134 R300_STATECHANGE(r300
, ri
);
135 for(i
= 1; i
<= 8; ++i
)
136 r300
->hw
.ri
.cmd
[i
] = R300_RS_INTERP_USED
;
138 R300_STATECHANGE(r300
, rc
);
139 /* The second constant is needed to get glxgears display anything .. */
140 r300
->hw
.rc
.cmd
[1] = R300_RS_CNTL_0_UNKNOWN_7
| R300_RS_CNTL_0_UNKNOWN_18
;
141 r300
->hw
.rc
.cmd
[2] = 0;
143 R300_STATECHANGE(r300
, rr
);
144 ((drm_r300_cmd_header_t
*)r300
->hw
.rr
.cmd
)->unchecked_state
.count
= 1;
145 r300
->hw
.rr
.cmd
[1] = 0x00004000;
147 R300_STATECHANGE(r300
, cmk
);
148 if (flags
& CLEARBUFFER_COLOR
) {
149 r300
->hw
.cmk
.cmd
[R300_CMK_COLORMASK
] =
150 (ctx
->Color
.ColorMask
[BCOMP
] ? R300_COLORMASK0_B
: 0) |
151 (ctx
->Color
.ColorMask
[GCOMP
] ? R300_COLORMASK0_G
: 0) |
152 (ctx
->Color
.ColorMask
[RCOMP
] ? R300_COLORMASK0_R
: 0) |
153 (ctx
->Color
.ColorMask
[ACOMP
] ? R300_COLORMASK0_A
: 0);
155 r300
->hw
.cmk
.cmd
[R300_CMK_COLORMASK
] = 0;
158 R300_STATECHANGE(r300
, fp
);
159 r300
->hw
.fp
.cmd
[R300_FP_CNTL0
] = 0; /* 1 pass, no textures */
160 r300
->hw
.fp
.cmd
[R300_FP_CNTL1
] = 0; /* no temporaries */
161 r300
->hw
.fp
.cmd
[R300_FP_CNTL2
] = 0; /* no offset, one ALU instr */
162 r300
->hw
.fp
.cmd
[R300_FP_NODE0
] = 0;
163 r300
->hw
.fp
.cmd
[R300_FP_NODE1
] = 0;
164 r300
->hw
.fp
.cmd
[R300_FP_NODE2
] = 0;
165 r300
->hw
.fp
.cmd
[R300_FP_NODE3
] = R300_PFS_NODE_LAST_NODE
;
167 R300_STATECHANGE(r300
, fpi
[0]);
168 R300_STATECHANGE(r300
, fpi
[1]);
169 R300_STATECHANGE(r300
, fpi
[2]);
170 R300_STATECHANGE(r300
, fpi
[3]);
171 ((drm_r300_cmd_header_t
*)r300
->hw
.fpi
[0].cmd
)->unchecked_state
.count
= 1;
172 ((drm_r300_cmd_header_t
*)r300
->hw
.fpi
[1].cmd
)->unchecked_state
.count
= 1;
173 ((drm_r300_cmd_header_t
*)r300
->hw
.fpi
[2].cmd
)->unchecked_state
.count
= 1;
174 ((drm_r300_cmd_header_t
*)r300
->hw
.fpi
[3].cmd
)->unchecked_state
.count
= 1;
177 r300
->hw
.fpi
[0].cmd
[1] = FP_INSTRC(MAD
, FP_ARGC(SRC0C_XYZ
), FP_ARGC(ONE
), FP_ARGC(ZERO
));
178 r300
->hw
.fpi
[1].cmd
[1] = FP_SELC(0,NO
,XYZ
,FP_TMP(0),0,0);
179 r300
->hw
.fpi
[2].cmd
[1] = FP_INSTRA(MAD
, FP_ARGA(SRC0A
), FP_ARGA(ONE
), FP_ARGA(ZERO
));
180 r300
->hw
.fpi
[3].cmd
[1] = FP_SELA(0,NO
,W
,FP_TMP(0),0,0);
182 R300_STATECHANGE(r300
, pvs
);
183 r300
->hw
.pvs
.cmd
[R300_PVS_CNTL_1
] =
184 (0 << R300_PVS_CNTL_1_PROGRAM_START_SHIFT
) |
185 (0 << R300_PVS_CNTL_1_UNKNOWN_SHIFT
) |
186 (1 << R300_PVS_CNTL_1_PROGRAM_END_SHIFT
);
187 r300
->hw
.pvs
.cmd
[R300_PVS_CNTL_2
] = 0; /* no parameters */
188 r300
->hw
.pvs
.cmd
[R300_PVS_CNTL_3
] =
189 (1 << R300_PVS_CNTL_3_PROGRAM_UNKNOWN_SHIFT
);
191 R300_STATECHANGE(r300
, vpi
);
192 ((drm_r300_cmd_header_t
*)r300
->hw
.vpi
.cmd
)->unchecked_state
.count
= 8;
195 r300
->hw
.vpi
.cmd
[1] = VP_OUT(ADD
,OUT
,0,XYZW
);
196 r300
->hw
.vpi
.cmd
[2] = VP_IN(IN
,0);
197 r300
->hw
.vpi
.cmd
[3] = VP_ZERO();
198 r300
->hw
.vpi
.cmd
[4] = 0;
201 r300
->hw
.vpi
.cmd
[5] = VP_OUT(ADD
,OUT
,1,XYZW
);
202 r300
->hw
.vpi
.cmd
[6] = VP_IN(IN
,1);
203 r300
->hw
.vpi
.cmd
[7] = VP_ZERO();
204 r300
->hw
.vpi
.cmd
[8] = 0;
206 R300_STATECHANGE(r300
, zs
);
207 if (flags
& CLEARBUFFER_DEPTH
) {
208 r300
->hw
.zs
.cmd
[R300_ZS_CNTL_0
] = 0x6; // test and write
209 r300
->hw
.zs
.cmd
[R300_ZS_CNTL_1
] = (R300_ZS_ALWAYS
<<R300_RB3D_ZS1_DEPTH_FUNC_SHIFT
);
211 R300_STATECHANGE(r300, zb);
212 r300->hw.zb.cmd[R300_ZB_OFFSET] =
214 r300->radeon.radeonScreen->frontOffset +
215 r300->radeon.radeonScreen->fbLocation;
216 r300->hw.zb.cmd[R300_ZB_PITCH] =
217 r300->radeon.radeonScreen->depthPitch;
220 r300
->hw
.zs
.cmd
[R300_ZS_CNTL_0
] = 0; // disable
221 r300
->hw
.zs
.cmd
[R300_ZS_CNTL_1
] = 0;
224 /* Make sure we have enough space */
225 r300EnsureCmdBufSpace(r300
, r300
->hw
.max_state_size
+ 9+8, __FUNCTION__
);
227 /* needed before starting 3d operation .. */
228 reg_start(R300_RB3D_DSTCACHE_CTLSTAT
,0);
236 cmd2
= (drm_r300_cmd_header_t
*)r300AllocCmdBuf(r300
, 9, __FUNCTION__
);
237 cmd2
[0].packet3
.cmd_type
= R300_CMD_PACKET3
;
238 cmd2
[0].packet3
.packet
= R300_CMD_PACKET3_CLEAR
;
239 cmd2
[1].u
= r300PackFloat32(dPriv
->w
/ 2.0);
240 cmd2
[2].u
= r300PackFloat32(dPriv
->h
/ 2.0);
241 cmd2
[3].u
= r300PackFloat32(ctx
->Depth
.Clear
);
242 cmd2
[4].u
= r300PackFloat32(1.0);
243 cmd2
[5].u
= r300PackFloat32(ctx
->Color
.ClearColor
[0]);
244 cmd2
[6].u
= r300PackFloat32(ctx
->Color
.ClearColor
[1]);
245 cmd2
[7].u
= r300PackFloat32(ctx
->Color
.ClearColor
[2]);
246 cmd2
[8].u
= r300PackFloat32(ctx
->Color
.ClearColor
[3]);
248 /* This sequence is required after any 3d drawing packet
249 I suspect it work arounds a bug (or deficiency) in hardware */
251 reg_start(R300_RB3D_DSTCACHE_CTLSTAT
,0);
263 static void r300Clear(GLcontext
* ctx
, GLbitfield mask
, GLboolean all
,
264 GLint cx
, GLint cy
, GLint cw
, GLint ch
)
266 r300ContextPtr r300
= R300_CONTEXT(ctx
);
267 __DRIdrawablePrivate
*dPriv
= r300
->radeon
.dri
.drawable
;
274 if (RADEON_DEBUG
& DEBUG_IOCTL
)
275 fprintf(stderr
, "%s: all=%d cx=%d cy=%d cw=%d ch=%d\n",
276 __FUNCTION__
, all
, cx
, cy
, cw
, ch
);
279 LOCK_HARDWARE(&r300
->radeon
);
280 UNLOCK_HARDWARE(&r300
->radeon
);
281 if (dPriv
->numClipRects
== 0)
285 #if 0 /* We shouldnt need this now */
286 /* When unk42B4==0 z-bias is still on for vb mode with points ... */
287 R300_STATECHANGE(r300
, zbs
);
288 zbs
[0]=r300
->hw
.zbs
.cmd
[R300_ZBS_T_FACTOR
];
289 zbs
[1]=r300
->hw
.zbs
.cmd
[R300_ZBS_T_CONSTANT
];
290 zbs
[2]=r300
->hw
.zbs
.cmd
[R300_ZBS_W_FACTOR
];
291 zbs
[3]=r300
->hw
.zbs
.cmd
[R300_ZBS_W_CONSTANT
];
293 r300
->hw
.zbs
.cmd
[R300_ZBS_T_FACTOR
] =
294 r300
->hw
.zbs
.cmd
[R300_ZBS_T_CONSTANT
] =
295 r300
->hw
.zbs
.cmd
[R300_ZBS_W_FACTOR
] =
296 r300
->hw
.zbs
.cmd
[R300_ZBS_W_CONSTANT
] = r300PackFloat32(0.0);
298 /* Make sure z-bias isnt on */
299 R300_STATECHANGE(r300
, unk42B4
);
300 unk42B4
=r300
->hw
.unk42B4
.cmd
[1];
301 r300
->hw
.unk42B4
.cmd
[1]=0;
303 if (mask
& DD_FRONT_LEFT_BIT
) {
304 flags
|= DD_FRONT_LEFT_BIT
;
305 mask
&= ~DD_FRONT_LEFT_BIT
;
308 if (mask
& DD_BACK_LEFT_BIT
) {
309 flags
|= DD_BACK_LEFT_BIT
;
310 mask
&= ~DD_BACK_LEFT_BIT
;
313 if (mask
& DD_DEPTH_BIT
) {
314 bits
|= CLEARBUFFER_DEPTH
;
315 mask
&= ~DD_DEPTH_BIT
;
319 if (RADEON_DEBUG
& DEBUG_FALLBACKS
)
320 fprintf(stderr
, "%s: swrast clear, mask: %x\n",
322 _swrast_Clear(ctx
, mask
, all
, cx
, cy
, cw
, ch
);
325 swapped
= r300
->radeon
.doPageFlip
&& (r300
->radeon
.sarea
->pfCurrentPage
== 1);
327 if (flags
& DD_FRONT_LEFT_BIT
) {
328 r300ClearBuffer(r300
, bits
| CLEARBUFFER_COLOR
, swapped
);
332 if (flags
& DD_BACK_LEFT_BIT
) {
333 r300ClearBuffer(r300
, bits
| CLEARBUFFER_COLOR
, swapped
^ 1);
338 r300ClearBuffer(r300
, bits
, 0);
340 /* Recalculate the hardware state. This could be done more efficiently,
341 * but do keep it like this for now.
343 r300ResetHwState(r300
);
345 R300_STATECHANGE(r300
, unk42B4
);
346 r300
->hw
.unk42B4
.cmd
[1]=unk42B4
;
348 #if 0 /* We shouldnt need this now */
349 /* Put real z-bias back */
350 R300_STATECHANGE(r300
, zbs
);
351 r300
->hw
.zbs
.cmd
[R300_ZBS_T_FACTOR
] = zbs
[0];
352 r300
->hw
.zbs
.cmd
[R300_ZBS_T_CONSTANT
] = zbs
[1];
353 r300
->hw
.zbs
.cmd
[R300_ZBS_W_FACTOR
] = zbs
[2];
354 r300
->hw
.zbs
.cmd
[R300_ZBS_W_CONSTANT
] = zbs
[3];
356 /* r300ClearBuffer has trampled all over the hardware state.. */
357 r300
->hw
.all_dirty
=GL_TRUE
;
360 void r300Flush(GLcontext
* ctx
)
362 r300ContextPtr r300
= R300_CONTEXT(ctx
);
364 if (RADEON_DEBUG
& DEBUG_IOCTL
)
365 fprintf(stderr
, "%s\n", __FUNCTION__
);
367 if (r300
->cmdbuf
.count_used
> r300
->cmdbuf
.count_reemit
)
368 r300FlushCmdBuf(r300
, __FUNCTION__
);
371 void r300RefillCurrentDmaRegion(r300ContextPtr rmesa
)
373 struct r300_dma_buffer
*dmabuf
;
374 int fd
= rmesa
->radeon
.dri
.fd
;
380 if (RADEON_DEBUG
& (DEBUG_IOCTL
| DEBUG_DMA
))
381 fprintf(stderr
, "%s\n", __FUNCTION__
);
383 if (rmesa
->dma
.flush
) {
384 rmesa
->dma
.flush(rmesa
);
387 if (rmesa
->dma
.current
.buf
)
388 r300ReleaseDmaRegion(rmesa
, &rmesa
->dma
.current
, __FUNCTION__
);
390 if (rmesa
->dma
.nr_released_bufs
> 4)
391 r300FlushCmdBuf(rmesa
, __FUNCTION__
);
393 dma
.context
= rmesa
->radeon
.dri
.hwContext
;
395 dma
.send_list
= NULL
;
396 dma
.send_sizes
= NULL
;
398 dma
.request_count
= 1;
399 dma
.request_size
= RADEON_BUFFER_SIZE
;
400 dma
.request_list
= &index
;
401 dma
.request_sizes
= &size
;
402 dma
.granted_count
= 0;
404 LOCK_HARDWARE(&rmesa
->radeon
); /* no need to validate */
407 ret
= drmDMA(fd
, &dma
);
411 if (rmesa
->dma
.nr_released_bufs
) {
412 r300FlushCmdBufLocked(rmesa
, __FUNCTION__
);
415 if (rmesa
->radeon
.do_usleeps
) {
416 UNLOCK_HARDWARE(&rmesa
->radeon
);
418 LOCK_HARDWARE(&rmesa
->radeon
);
422 UNLOCK_HARDWARE(&rmesa
->radeon
);
424 if (RADEON_DEBUG
& DEBUG_DMA
)
425 fprintf(stderr
, "Allocated buffer %d\n", index
);
427 dmabuf
= CALLOC_STRUCT(r300_dma_buffer
);
428 dmabuf
->buf
= &rmesa
->radeon
.radeonScreen
->buffers
->list
[index
];
429 dmabuf
->refcount
= 1;
431 rmesa
->dma
.current
.buf
= dmabuf
;
432 rmesa
->dma
.current
.address
= dmabuf
->buf
->address
;
433 rmesa
->dma
.current
.end
= dmabuf
->buf
->total
;
434 rmesa
->dma
.current
.start
= 0;
435 rmesa
->dma
.current
.ptr
= 0;
438 void r300ReleaseDmaRegion(r300ContextPtr rmesa
,
439 struct r300_dma_region
*region
, const char *caller
)
441 if (RADEON_DEBUG
& DEBUG_IOCTL
)
442 fprintf(stderr
, "%s from %s\n", __FUNCTION__
, caller
);
447 if (rmesa
->dma
.flush
)
448 rmesa
->dma
.flush(rmesa
);
450 if (--region
->buf
->refcount
== 0) {
451 drm_radeon_cmd_header_t
*cmd
;
453 if (RADEON_DEBUG
& (DEBUG_IOCTL
| DEBUG_DMA
))
454 fprintf(stderr
, "%s -- DISCARD BUF %d\n", __FUNCTION__
,
455 region
->buf
->buf
->idx
);
457 (drm_radeon_cmd_header_t
*) r300AllocCmdBuf(rmesa
,
460 cmd
->dma
.cmd_type
= R300_CMD_DMA_DISCARD
;
461 cmd
->dma
.buf_idx
= region
->buf
->buf
->idx
;
464 rmesa
->dma
.nr_released_bufs
++;
471 /* Allocates a region from rmesa->dma.current. If there isn't enough
472 * space in current, grab a new buffer (and discard what was left of current)
474 void r300AllocDmaRegion(r300ContextPtr rmesa
,
475 struct r300_dma_region
*region
,
476 int bytes
, int alignment
)
478 if (RADEON_DEBUG
& DEBUG_IOCTL
)
479 fprintf(stderr
, "%s %d\n", __FUNCTION__
, bytes
);
481 if (rmesa
->dma
.flush
)
482 rmesa
->dma
.flush(rmesa
);
485 r300ReleaseDmaRegion(rmesa
, region
, __FUNCTION__
);
488 rmesa
->dma
.current
.start
= rmesa
->dma
.current
.ptr
=
489 (rmesa
->dma
.current
.ptr
+ alignment
) & ~alignment
;
491 if (rmesa
->dma
.current
.ptr
+ bytes
> rmesa
->dma
.current
.end
)
492 r300RefillCurrentDmaRegion(rmesa
);
494 region
->start
= rmesa
->dma
.current
.start
;
495 region
->ptr
= rmesa
->dma
.current
.start
;
496 region
->end
= rmesa
->dma
.current
.start
+ bytes
;
497 region
->address
= rmesa
->dma
.current
.address
;
498 region
->buf
= rmesa
->dma
.current
.buf
;
499 region
->buf
->refcount
++;
501 rmesa
->dma
.current
.ptr
+= bytes
; /* bug - if alignment > 7 */
502 rmesa
->dma
.current
.start
=
503 rmesa
->dma
.current
.ptr
= (rmesa
->dma
.current
.ptr
+ 0x7) & ~0x7;
505 assert(rmesa
->dma
.current
.ptr
<= rmesa
->dma
.current
.end
);
508 /* Called via glXGetMemoryOffsetMESA() */
509 GLuint
r300GetMemoryOffsetMESA(__DRInativeDisplay
* dpy
, int scrn
,
510 const GLvoid
* pointer
)
512 GET_CURRENT_CONTEXT(ctx
);
513 r300ContextPtr rmesa
;
516 if (!ctx
|| !(rmesa
= R300_CONTEXT(ctx
))) {
517 fprintf(stderr
, "%s: no context\n", __FUNCTION__
);
521 if (!r300IsGartMemory(rmesa
, pointer
, 0))
524 if (rmesa
->radeon
.dri
.drmMinor
< 6)
527 card_offset
= r300GartOffsetFromVirtual(rmesa
, pointer
);
529 return card_offset
- rmesa
->radeon
.radeonScreen
->gart_base
;
532 GLboolean
r300IsGartMemory(r300ContextPtr rmesa
, const GLvoid
* pointer
,
536 (char *)pointer
- (char *)rmesa
->radeon
.radeonScreen
->gartTextures
.map
;
537 int valid
= (size
>= 0 && offset
>= 0
538 && offset
+ size
< rmesa
->radeon
.radeonScreen
->gartTextures
.size
);
540 if (RADEON_DEBUG
& DEBUG_IOCTL
)
541 fprintf(stderr
, "r300IsGartMemory( %p ) : %d\n", pointer
,
547 GLuint
r300GartOffsetFromVirtual(r300ContextPtr rmesa
, const GLvoid
* pointer
)
550 (char *)pointer
- (char *)rmesa
->radeon
.radeonScreen
->gartTextures
.map
;
552 fprintf(stderr
, "offset=%08x\n", offset
);
554 if (offset
< 0 || offset
> rmesa
->radeon
.radeonScreen
->gartTextures
.size
)
557 return rmesa
->radeon
.radeonScreen
->gart_texture_offset
+ offset
;
560 void r300InitIoctlFuncs(struct dd_function_table
*functions
)
562 functions
->Clear
= r300Clear
;
563 functions
->Finish
= radeonFinish
;
564 functions
->Flush
= r300Flush
;