1 #include "main/mtypes.h"
2 #include "main/macros.h"
3 #include "main/samplerobj.h"
5 #include "intel_context.h"
6 #include "intel_mipmap_tree.h"
9 #define FILE_DEBUG_FLAG DEBUG_TEXTURE
12 * When validating, we only care about the texture images that could
13 * be seen, so for non-mipmapped modes we want to ignore everything
17 intel_update_max_level(struct intel_context
*intel
,
18 struct intel_texture_object
*intelObj
,
19 struct gl_sampler_object
*sampler
)
21 struct gl_texture_object
*tObj
= &intelObj
->base
;
23 if (sampler
->MinFilter
== GL_NEAREST
||
24 sampler
->MinFilter
== GL_LINEAR
) {
25 intelObj
->_MaxLevel
= tObj
->BaseLevel
;
27 intelObj
->_MaxLevel
= tObj
->_MaxLevel
;
32 * Copies the image's contents at its level into the object's miptree,
33 * and updates the image to point at the object's miptree.
36 copy_image_data_to_tree(struct intel_context
*intel
,
37 struct intel_texture_object
*intelObj
,
38 struct intel_texture_image
*intelImage
)
41 /* Copy potentially with the blitter:
43 intel_miptree_image_copy(intel
,
45 intelImage
->base
.Face
,
46 intelImage
->base
.Level
, intelImage
->mt
);
48 intel_miptree_release(intel
, &intelImage
->mt
);
51 assert(intelImage
->base
.Data
!= NULL
);
53 /* More straightforward upload.
55 intel_miptree_image_data(intel
,
57 intelImage
->base
.Face
,
58 intelImage
->base
.Level
,
59 intelImage
->base
.Data
,
60 intelImage
->base
.RowStride
,
61 intelImage
->base
.RowStride
*
62 intelImage
->base
.Height
);
63 _mesa_align_free(intelImage
->base
.Data
);
64 intelImage
->base
.Data
= NULL
;
67 intel_miptree_reference(&intelImage
->mt
, intelObj
->mt
);
74 intel_finalize_mipmap_tree(struct intel_context
*intel
, GLuint unit
)
76 struct gl_context
*ctx
= &intel
->ctx
;
77 struct gl_texture_object
*tObj
= intel
->ctx
.Texture
.Unit
[unit
]._Current
;
78 struct intel_texture_object
*intelObj
= intel_texture_object(tObj
);
79 struct gl_sampler_object
*sampler
= _mesa_get_samplerobj(ctx
, unit
);
82 struct intel_texture_image
*firstImage
;
84 /* We know/require this is true by now:
86 assert(intelObj
->base
._Complete
);
88 /* What levels must the tree include at a minimum?
90 intel_update_max_level(intel
, intelObj
, sampler
);
91 firstImage
= intel_texture_image(tObj
->Image
[0][tObj
->BaseLevel
]);
95 if (firstImage
->base
.Border
) {
97 intel_miptree_release(intel
, &intelObj
->mt
);
102 /* Check tree can hold all active levels. Check tree matches
103 * target, imageFormat, etc.
105 * For pre-gen4, we have to match first_level == tObj->BaseLevel,
106 * because we don't have the control that gen4 does to make min/mag
107 * determination happen at a nonzero (hardware) baselevel. Because
108 * of that, we just always relayout on baselevel change.
111 (intelObj
->mt
->target
!= intelObj
->base
.Target
||
112 intelObj
->mt
->format
!= firstImage
->base
.TexFormat
||
113 intelObj
->mt
->first_level
!= tObj
->BaseLevel
||
114 intelObj
->mt
->last_level
< intelObj
->_MaxLevel
||
115 intelObj
->mt
->width0
!= firstImage
->base
.Width
||
116 intelObj
->mt
->height0
!= firstImage
->base
.Height
||
117 intelObj
->mt
->depth0
!= firstImage
->base
.Depth
)) {
118 intel_miptree_release(intel
, &intelObj
->mt
);
122 /* May need to create a new tree:
125 intelObj
->mt
= intel_miptree_create(intel
,
126 intelObj
->base
.Target
,
127 firstImage
->base
.TexFormat
,
130 firstImage
->base
.Width
,
131 firstImage
->base
.Height
,
132 firstImage
->base
.Depth
,
138 /* Pull in any images not in the object's tree:
140 nr_faces
= (intelObj
->base
.Target
== GL_TEXTURE_CUBE_MAP
) ? 6 : 1;
141 for (face
= 0; face
< nr_faces
; face
++) {
142 for (i
= tObj
->BaseLevel
; i
<= intelObj
->_MaxLevel
; i
++) {
143 struct intel_texture_image
*intelImage
=
144 intel_texture_image(intelObj
->base
.Image
[face
][i
]);
145 /* skip too small size mipmap */
146 if (intelImage
== NULL
)
148 /* Need to import images in main memory or held in other trees.
149 * If it's a render target, then its data isn't needed to be in
150 * the object tree (otherwise we'd be FBO incomplete), and we need
151 * to keep track of the image's MT as needing to be pulled in still,
152 * or we'll lose the rendering that's done to it.
154 if (intelObj
->mt
!= intelImage
->mt
&&
155 !intelImage
->used_as_render_target
) {
156 copy_image_data_to_tree(intel
, intelObj
, intelImage
);
165 intel_tex_map_level_images(struct intel_context
*intel
,
166 struct intel_texture_object
*intelObj
,
169 GLuint nr_faces
= (intelObj
->base
.Target
== GL_TEXTURE_CUBE_MAP
) ? 6 : 1;
172 for (face
= 0; face
< nr_faces
; face
++) {
173 struct intel_texture_image
*intelImage
=
174 intel_texture_image(intelObj
->base
.Image
[face
][level
]);
176 if (intelImage
&& intelImage
->mt
) {
177 intelImage
->base
.Data
=
178 intel_miptree_image_map(intel
,
180 intelImage
->base
.Face
,
181 intelImage
->base
.Level
,
182 &intelImage
->base
.RowStride
,
183 intelImage
->base
.ImageOffsets
);
184 /* convert stride to texels, not bytes */
185 intelImage
->base
.RowStride
/= intelImage
->mt
->cpp
;
186 /* intelImage->base.ImageStride /= intelImage->mt->cpp; */
192 intel_tex_unmap_level_images(struct intel_context
*intel
,
193 struct intel_texture_object
*intelObj
,
196 GLuint nr_faces
= (intelObj
->base
.Target
== GL_TEXTURE_CUBE_MAP
) ? 6 : 1;
199 for (face
= 0; face
< nr_faces
; face
++) {
200 struct intel_texture_image
*intelImage
=
201 intel_texture_image(intelObj
->base
.Image
[face
][level
]);
203 if (intelImage
&& intelImage
->mt
) {
204 intel_miptree_image_unmap(intel
, intelImage
->mt
);
205 intelImage
->base
.Data
= NULL
;
211 intel_tex_map_images(struct intel_context
*intel
,
212 struct intel_texture_object
*intelObj
)
216 DBG("%s\n", __FUNCTION__
);
218 for (i
= intelObj
->base
.BaseLevel
; i
<= intelObj
->_MaxLevel
; i
++)
219 intel_tex_map_level_images(intel
, intelObj
, i
);
223 intel_tex_unmap_images(struct intel_context
*intel
,
224 struct intel_texture_object
*intelObj
)
228 for (i
= intelObj
->base
.BaseLevel
; i
<= intelObj
->_MaxLevel
; i
++)
229 intel_tex_unmap_level_images(intel
, intelObj
, i
);