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
|
#include "main/mtypes.h"
#include "main/macros.h"
#include "main/samplerobj.h"
#include "main/texobj.h"
#include "intel_context.h"
#include "intel_mipmap_tree.h"
#include "intel_blit.h"
#include "intel_tex.h"
#include "intel_tex_layout.h"
#define FILE_DEBUG_FLAG DEBUG_TEXTURE
/**
* When validating, we only care about the texture images that could
* be seen, so for non-mipmapped modes we want to ignore everything
* but BaseLevel.
*/
static void
intel_update_max_level(struct intel_texture_object *intelObj,
struct gl_sampler_object *sampler)
{
struct gl_texture_object *tObj = &intelObj->base;
int maxlevel;
if (sampler->MinFilter == GL_NEAREST ||
sampler->MinFilter == GL_LINEAR) {
maxlevel = tObj->BaseLevel;
} else {
maxlevel = tObj->_MaxLevel;
}
if (intelObj->_MaxLevel != maxlevel) {
intelObj->_MaxLevel = maxlevel;
intelObj->needs_validate = true;
}
}
/*
*/
GLuint
intel_finalize_mipmap_tree(struct intel_context *intel, GLuint unit)
{
struct gl_context *ctx = &intel->ctx;
struct gl_texture_object *tObj = intel->ctx.Texture.Unit[unit]._Current;
struct intel_texture_object *intelObj = intel_texture_object(tObj);
struct gl_sampler_object *sampler = _mesa_get_samplerobj(ctx, unit);
GLuint face, i;
GLuint nr_faces = 0;
struct intel_texture_image *firstImage;
int width, height, depth;
/* TBOs require no validation -- they always just point to their BO. */
if (tObj->Target == GL_TEXTURE_BUFFER)
return true;
/* We know/require this is true by now:
*/
assert(intelObj->base._BaseComplete);
/* What levels must the tree include at a minimum?
*/
intel_update_max_level(intelObj, sampler);
if (intelObj->mt && intelObj->mt->first_level != tObj->BaseLevel)
intelObj->needs_validate = true;
if (!intelObj->needs_validate)
return true;
firstImage = intel_texture_image(tObj->Image[0][tObj->BaseLevel]);
/* Check tree can hold all active levels. Check tree matches
* target, imageFormat, etc.
*
* For pre-gen4, we have to match first_level == tObj->BaseLevel,
* because we don't have the control that gen4 does to make min/mag
* determination happen at a nonzero (hardware) baselevel. Because
* of that, we just always relayout on baselevel change.
*/
if (intelObj->mt &&
(!intel_miptree_match_image(intelObj->mt, &firstImage->base.Base) ||
intelObj->mt->first_level != tObj->BaseLevel ||
intelObj->mt->last_level < intelObj->_MaxLevel)) {
intel_miptree_release(&intelObj->mt);
}
/* May need to create a new tree:
*/
if (!intelObj->mt) {
intel_miptree_get_dimensions_for_image(&firstImage->base.Base,
&width, &height, &depth);
perf_debug("Creating new %s %dx%dx%d %d..%d miptree to handle finalized "
"texture miptree.\n",
_mesa_get_format_name(firstImage->base.Base.TexFormat),
width, height, depth, tObj->BaseLevel, intelObj->_MaxLevel);
intelObj->mt = intel_miptree_create(intel,
intelObj->base.Target,
firstImage->base.Base.TexFormat,
tObj->BaseLevel,
intelObj->_MaxLevel,
width,
height,
depth,
true,
INTEL_MIPTREE_TILING_ANY);
if (!intelObj->mt)
return false;
}
/* Pull in any images not in the object's tree:
*/
nr_faces = _mesa_num_tex_faces(intelObj->base.Target);
for (face = 0; face < nr_faces; face++) {
for (i = tObj->BaseLevel; i <= intelObj->_MaxLevel; i++) {
struct intel_texture_image *intelImage =
intel_texture_image(intelObj->base.Image[face][i]);
/* skip too small size mipmap */
if (intelImage == NULL)
break;
if (intelObj->mt != intelImage->mt) {
intel_miptree_copy_teximage(intel, intelImage, intelObj->mt,
false /* invalidate */);
}
/* After we're done, we'd better agree that our layout is
* appropriate, or we'll end up hitting this function again on the
* next draw
*/
assert(intel_miptree_match_image(intelObj->mt, &intelImage->base.Base));
}
}
intelObj->needs_validate = false;
return true;
}
|
