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
|
/* $XFree86: xc/lib/GL/mesa/src/drv/radeon/radeon_texmem.c,v 1.7 2002/12/16 16:18:59 dawes Exp $ */
/**************************************************************************
Copyright 2000, 2001 ATI Technologies Inc., Ontario, Canada, and
VA Linux Systems Inc., Fremont, California.
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, VA LINUX SYSTEMS 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:
* Kevin E. Martin <martin@valinux.com>
* Gareth Hughes <gareth@valinux.com>
*
*/
#include <errno.h>
#include "glheader.h"
#include "imports.h"
#include "context.h"
#include "macros.h"
#include "simple_list.h"
#include "radeon_context.h"
#include "radeon_ioctl.h"
#include "radeon_tex.h"
/**
* Destroy any device-dependent state associated with the texture. This may
* include NULLing out hardware state that points to the texture.
*/
void
radeonDestroyTexObj( radeonContextPtr rmesa, radeonTexObjPtr t )
{
if ( RADEON_DEBUG & DEBUG_TEXTURE ) {
fprintf( stderr, "%s( %p, %p )\n", __FUNCTION__, (void *)t, (void *)t->base.tObj );
}
if ( rmesa != NULL ) {
unsigned i;
for ( i = 0 ; i < rmesa->glCtx->Const.MaxTextureUnits ; i++ ) {
if ( t == rmesa->state.texture.unit[i].texobj ) {
rmesa->state.texture.unit[i].texobj = NULL;
remove_from_list( &rmesa->hw.tex[i] );
make_empty_list( &rmesa->hw.tex[i] );
}
}
}
}
/* ------------------------------------------------------------
* Texture image conversions
*/
static void radeonUploadRectSubImage( radeonContextPtr rmesa,
radeonTexObjPtr t,
struct gl_texture_image *texImage,
GLint x, GLint y,
GLint width, GLint height )
{
const struct gl_texture_format *texFormat = texImage->TexFormat;
int blit_format, dstPitch, done;
switch ( texFormat->TexelBytes ) {
case 1:
blit_format = RADEON_GMC_DST_8BPP_CI;
break;
case 2:
blit_format = RADEON_GMC_DST_16BPP;
break;
case 4:
blit_format = RADEON_GMC_DST_32BPP;
break;
default:
fprintf( stderr, "radeonUploadRectSubImage: unknown blit_format (texelbytes=%d)\n",
texFormat->TexelBytes);
return;
}
t->image[0][0].data = texImage->Data;
/* Currently don't need to cope with small pitches.
*/
width = texImage->Width;
height = texImage->Height;
dstPitch = t->pp_txpitch + 32;
{ /* FIXME: prefer GART-texturing if possible */
/* Data not in GART memory, or bad pitch.
*/
for (done = 0; done < height ; ) {
struct radeon_dma_region region;
int lines = MIN2( height - done, RADEON_BUFFER_SIZE / dstPitch );
int src_pitch;
char *tex;
src_pitch = texImage->RowStride * texFormat->TexelBytes;
tex = (char *)texImage->Data + done * src_pitch;
memset(®ion, 0, sizeof(region));
radeonAllocDmaRegion( rmesa, ®ion, lines * dstPitch, 1024 );
/* Copy texdata to dma:
*/
if (0)
fprintf(stderr, "%s: src_pitch %d dst_pitch %d\n",
__FUNCTION__, src_pitch, dstPitch);
if (src_pitch == dstPitch) {
memcpy( region.address + region.start, tex, lines * src_pitch );
}
else {
char *buf = region.address + region.start;
int i;
for (i = 0 ; i < lines ; i++) {
memcpy( buf, tex, src_pitch );
buf += dstPitch;
tex += src_pitch;
}
}
radeonEmitWait( rmesa, RADEON_WAIT_3D );
/* Blit to framebuffer
*/
radeonEmitBlit( rmesa,
blit_format,
dstPitch, GET_START( ®ion ),
dstPitch, t->bufAddr,
0, 0,
0, done,
width, lines );
radeonEmitWait( rmesa, RADEON_WAIT_2D );
radeonReleaseDmaRegion( rmesa, ®ion, __FUNCTION__ );
done += lines;
}
}
}
/**
* Upload the texture image associated with texture \a t at the specified
* level at the address relative to \a start.
*/
static void uploadSubImage( radeonContextPtr rmesa, radeonTexObjPtr t,
GLint hwlevel,
GLint x, GLint y, GLint width, GLint height,
GLuint face )
{
struct gl_texture_image *texImage = NULL;
GLuint offset;
GLint imageWidth, imageHeight;
GLint ret;
drm_radeon_texture_t tex;
drm_radeon_tex_image_t tmp;
const int level = hwlevel + t->base.firstLevel;
if ( RADEON_DEBUG & DEBUG_TEXTURE ) {
fprintf( stderr, "%s( %p, %p ) level/width/height/face = %d/%d/%d/%u\n",
__FUNCTION__, (void *)t, (void *)t->base.tObj, level, width, height, face );
}
ASSERT(face < 6);
/* Ensure we have a valid texture to upload */
if ( ( hwlevel < 0 ) || ( hwlevel >= RADEON_MAX_TEXTURE_LEVELS ) ) {
_mesa_problem(NULL, "bad texture level in %s", __FUNCTION__);
return;
}
texImage = t->base.tObj->Image[face][level];
if ( !texImage ) {
if ( RADEON_DEBUG & DEBUG_TEXTURE )
fprintf( stderr, "%s: texImage %d is NULL!\n", __FUNCTION__, level );
return;
}
if ( !texImage->Data ) {
if ( RADEON_DEBUG & DEBUG_TEXTURE )
fprintf( stderr, "%s: image data is NULL!\n", __FUNCTION__ );
return;
}
if (t->base.tObj->Target == GL_TEXTURE_RECTANGLE_NV) {
assert(level == 0);
assert(hwlevel == 0);
if ( RADEON_DEBUG & DEBUG_TEXTURE )
fprintf( stderr, "%s: image data is rectangular\n", __FUNCTION__);
radeonUploadRectSubImage( rmesa, t, texImage, x, y, width, height );
return;
}
imageWidth = texImage->Width;
imageHeight = texImage->Height;
offset = t->bufAddr;
if ( RADEON_DEBUG & (DEBUG_TEXTURE|DEBUG_IOCTL) ) {
GLint imageX = 0;
GLint imageY = 0;
GLint blitX = t->image[face][hwlevel].x;
GLint blitY = t->image[face][hwlevel].y;
GLint blitWidth = t->image[face][hwlevel].width;
GLint blitHeight = t->image[face][hwlevel].height;
fprintf( stderr, " upload image: %d,%d at %d,%d\n",
imageWidth, imageHeight, imageX, imageY );
fprintf( stderr, " upload blit: %d,%d at %d,%d\n",
blitWidth, blitHeight, blitX, blitY );
fprintf( stderr, " blit ofs: 0x%07x level: %d/%d\n",
(GLuint)offset, hwlevel, level );
}
t->image[face][hwlevel].data = texImage->Data;
/* Init the DRM_RADEON_TEXTURE command / drm_radeon_texture_t struct.
* NOTE: we're always use a 1KB-wide blit and I8 texture format.
* We used to use 1, 2 and 4-byte texels and used to use the texture
* width to dictate the blit width - but that won't work for compressed
* textures. (Brian)
*/
tex.offset = offset;
tex.pitch = BLIT_WIDTH_BYTES / 64;
tex.format = RADEON_TXFORMAT_I8; /* any 1-byte texel format */
if (texImage->TexFormat->TexelBytes) {
tex.width = imageWidth * texImage->TexFormat->TexelBytes; /* in bytes */
tex.height = imageHeight;
}
else {
tex.width = imageWidth; /* compressed */
tex.height = imageHeight;
if (tex.height < 4)
tex.height = 4;
}
tex.image = &tmp;
/* copy (x,y,width,height,data) */
memcpy( &tmp, &t->image[face][hwlevel], sizeof(drm_radeon_tex_image_t) );
LOCK_HARDWARE( rmesa );
do {
ret = drmCommandWriteRead( rmesa->dri.fd, DRM_RADEON_TEXTURE,
&tex, sizeof(drm_radeon_texture_t) );
} while ( ret && errno == EAGAIN );
UNLOCK_HARDWARE( rmesa );
if ( ret ) {
fprintf( stderr, "DRM_RADEON_TEXTURE: return = %d\n", ret );
fprintf( stderr, " offset=0x%08x\n",
offset );
fprintf( stderr, " image width=%d height=%d\n",
imageWidth, imageHeight );
fprintf( stderr, " blit width=%d height=%d data=%p\n",
t->image[face][hwlevel].width, t->image[face][hwlevel].height,
t->image[face][hwlevel].data );
exit( 1 );
}
}
/**
* Upload the texture images associated with texture \a t. This might
* require the allocation of texture memory.
*
* \param rmesa Context pointer
* \param t Texture to be uploaded
* \param face Cube map face to be uploaded. Zero for non-cube maps.
*/
int radeonUploadTexImages( radeonContextPtr rmesa, radeonTexObjPtr t, GLuint face )
{
const int numLevels = t->base.lastLevel - t->base.firstLevel + 1;
if ( RADEON_DEBUG & (DEBUG_TEXTURE|DEBUG_IOCTL) ) {
fprintf( stderr, "%s( %p, %p ) sz=%d lvls=%d-%d\n", __FUNCTION__,
(void *)rmesa->glCtx, (void *)t->base.tObj, t->base.totalSize,
t->base.firstLevel, t->base.lastLevel );
}
if ( !t || t->base.totalSize == 0 )
return 0;
LOCK_HARDWARE( rmesa );
if ( t->base.memBlock == NULL ) {
int heap;
heap = driAllocateTexture( rmesa->texture_heaps, rmesa->nr_heaps,
(driTextureObject *) t );
if ( heap == -1 ) {
UNLOCK_HARDWARE( rmesa );
return -1;
}
/* Set the base offset of the texture image */
t->bufAddr = rmesa->radeonScreen->texOffset[heap]
+ t->base.memBlock->ofs;
t->pp_txoffset = t->bufAddr;
/* Mark this texobj as dirty on all units:
*/
t->dirty_state = TEX_ALL;
}
/* Let the world know we've used this memory recently.
*/
driUpdateTextureLRU( (driTextureObject *) t );
UNLOCK_HARDWARE( rmesa );
/* Upload any images that are new */
if (t->base.dirty_images[face]) {
int i;
for ( i = 0 ; i < numLevels ; i++ ) {
if ( (t->base.dirty_images[face] & (1 << (i+t->base.firstLevel))) != 0 ) {
uploadSubImage( rmesa, t, i, 0, 0, t->image[face][i].width,
t->image[face][i].height, face );
}
}
t->base.dirty_images[face] = 0;
}
return 0;
}
|