4d257cc71dc0505c6aac202616cfdbe5e3d95460
1 #include "main/mtypes.h"
2 #include "main/macros.h"
4 #include "intel_context.h"
5 #include "intel_mipmap_tree.h"
8 #define FILE_DEBUG_FLAG DEBUG_TEXTURE
11 * When validating, we only care about the texture images that could
12 * be seen, so for non-mipmapped modes we want to ignore everything
16 intel_update_max_level(struct intel_context
*intel
,
17 struct intel_texture_object
*intelObj
)
19 struct gl_texture_object
*tObj
= &intelObj
->base
;
21 if (tObj
->MinFilter
== GL_NEAREST
|| tObj
->MinFilter
== GL_LINEAR
) {
22 intelObj
->_MaxLevel
= tObj
->BaseLevel
;
24 intelObj
->_MaxLevel
= tObj
->_MaxLevel
;
29 * Copies the image's contents at its level into the object's miptree,
30 * and updates the image to point at the object's miptree.
33 copy_image_data_to_tree(struct intel_context
*intel
,
34 struct intel_texture_object
*intelObj
,
35 struct intel_texture_image
*intelImage
)
38 /* Copy potentially with the blitter:
40 intel_miptree_image_copy(intel
,
43 intelImage
->level
, intelImage
->mt
);
45 intel_miptree_release(intel
, &intelImage
->mt
);
48 assert(intelImage
->base
.Data
!= NULL
);
50 /* More straightforward upload.
52 intel_miptree_image_data(intel
,
56 intelImage
->base
.Data
,
57 intelImage
->base
.RowStride
,
58 intelImage
->base
.RowStride
*
59 intelImage
->base
.Height
);
60 _mesa_align_free(intelImage
->base
.Data
);
61 intelImage
->base
.Data
= NULL
;
64 intel_miptree_reference(&intelImage
->mt
, intelObj
->mt
);
71 intel_finalize_mipmap_tree(struct intel_context
*intel
, GLuint unit
)
73 struct gl_texture_object
*tObj
= intel
->ctx
.Texture
.Unit
[unit
]._Current
;
74 struct intel_texture_object
*intelObj
= intel_texture_object(tObj
);
79 struct intel_texture_image
*firstImage
;
81 /* We know/require this is true by now:
83 assert(intelObj
->base
._Complete
);
85 /* What levels must the tree include at a minimum?
87 intel_update_max_level(intel
, intelObj
);
88 firstImage
= intel_texture_image(tObj
->Image
[0][tObj
->BaseLevel
]);
92 if (firstImage
->base
.Border
) {
94 intel_miptree_release(intel
, &intelObj
->mt
);
100 /* If both firstImage and intelObj have a tree which can contain
101 * all active images, favour firstImage. Note that because of the
102 * completeness requirement, we know that the image dimensions
105 if (firstImage
->mt
&&
106 firstImage
->mt
!= intelObj
->mt
&&
107 firstImage
->mt
->first_level
<= tObj
->BaseLevel
&&
108 firstImage
->mt
->last_level
>= intelObj
->_MaxLevel
) {
111 intel_miptree_release(intel
, &intelObj
->mt
);
113 intel_miptree_reference(&intelObj
->mt
, firstImage
->mt
);
116 if (_mesa_is_format_compressed(firstImage
->base
.TexFormat
)) {
117 comp_byte
= intel_compressed_num_bytes(firstImage
->base
.TexFormat
);
121 cpp
= _mesa_get_format_bytes(firstImage
->base
.TexFormat
);
123 /* Check tree can hold all active levels. Check tree matches
124 * target, imageFormat, etc.
126 * XXX: For some layouts (eg i945?), the test might have to be
127 * first_level == firstLevel, as the tree isn't valid except at the
128 * original start level. Hope to get around this by
129 * programming minLod, maxLod, baseLevel into the hardware and
130 * leaving the tree alone.
133 (intelObj
->mt
->target
!= intelObj
->base
.Target
||
134 intelObj
->mt
->internal_format
!= firstImage
->base
.InternalFormat
||
135 intelObj
->mt
->first_level
!= tObj
->BaseLevel
||
136 intelObj
->mt
->last_level
!= intelObj
->_MaxLevel
||
137 intelObj
->mt
->width0
!= firstImage
->base
.Width
||
138 intelObj
->mt
->height0
!= firstImage
->base
.Height
||
139 intelObj
->mt
->depth0
!= firstImage
->base
.Depth
||
140 intelObj
->mt
->cpp
!= cpp
||
141 intelObj
->mt
->compressed
!= _mesa_is_format_compressed(firstImage
->base
.TexFormat
))) {
142 intel_miptree_release(intel
, &intelObj
->mt
);
146 /* May need to create a new tree:
149 intelObj
->mt
= intel_miptree_create(intel
,
150 intelObj
->base
.Target
,
151 firstImage
->base
._BaseFormat
,
152 firstImage
->base
.InternalFormat
,
155 firstImage
->base
.Width
,
156 firstImage
->base
.Height
,
157 firstImage
->base
.Depth
,
163 /* Pull in any images not in the object's tree:
165 nr_faces
= (intelObj
->base
.Target
== GL_TEXTURE_CUBE_MAP
) ? 6 : 1;
166 for (face
= 0; face
< nr_faces
; face
++) {
167 for (i
= tObj
->BaseLevel
; i
<= intelObj
->_MaxLevel
; i
++) {
168 struct intel_texture_image
*intelImage
=
169 intel_texture_image(intelObj
->base
.Image
[face
][i
]);
171 /* Need to import images in main memory or held in other trees.
172 * If it's a render target, then its data isn't needed to be in
173 * the object tree (otherwise we'd be FBO incomplete), and we need
174 * to keep track of the image's MT as needing to be pulled in still,
175 * or we'll lose the rendering that's done to it.
177 if (intelObj
->mt
!= intelImage
->mt
&&
178 !intelImage
->used_as_render_target
) {
179 copy_image_data_to_tree(intel
, intelObj
, intelImage
);
188 intel_tex_map_level_images(struct intel_context
*intel
,
189 struct intel_texture_object
*intelObj
,
192 GLuint nr_faces
= (intelObj
->base
.Target
== GL_TEXTURE_CUBE_MAP
) ? 6 : 1;
195 for (face
= 0; face
< nr_faces
; face
++) {
196 struct intel_texture_image
*intelImage
=
197 intel_texture_image(intelObj
->base
.Image
[face
][level
]);
199 if (intelImage
&& intelImage
->mt
) {
200 intelImage
->base
.Data
=
201 intel_miptree_image_map(intel
,
205 &intelImage
->base
.RowStride
,
206 intelImage
->base
.ImageOffsets
);
207 /* convert stride to texels, not bytes */
208 intelImage
->base
.RowStride
/= intelImage
->mt
->cpp
;
209 /* intelImage->base.ImageStride /= intelImage->mt->cpp; */
215 intel_tex_unmap_level_images(struct intel_context
*intel
,
216 struct intel_texture_object
*intelObj
,
219 GLuint nr_faces
= (intelObj
->base
.Target
== GL_TEXTURE_CUBE_MAP
) ? 6 : 1;
222 for (face
= 0; face
< nr_faces
; face
++) {
223 struct intel_texture_image
*intelImage
=
224 intel_texture_image(intelObj
->base
.Image
[face
][level
]);
226 if (intelImage
&& intelImage
->mt
) {
227 intel_miptree_image_unmap(intel
, intelImage
->mt
);
228 intelImage
->base
.Data
= NULL
;
234 intel_tex_map_images(struct intel_context
*intel
,
235 struct intel_texture_object
*intelObj
)
239 DBG("%s\n", __FUNCTION__
);
241 for (i
= intelObj
->base
.BaseLevel
; i
<= intelObj
->_MaxLevel
; i
++)
242 intel_tex_map_level_images(intel
, intelObj
, i
);
246 intel_tex_unmap_images(struct intel_context
*intel
,
247 struct intel_texture_object
*intelObj
)
251 for (i
= intelObj
->base
.BaseLevel
; i
<= intelObj
->_MaxLevel
; i
++)
252 intel_tex_unmap_level_images(intel
, intelObj
, i
);