1 #include "main/mtypes.h"
2 #include "main/macros.h"
3 #include "main/samplerobj.h"
4 #include "main/texobj.h"
6 #include "intel_context.h"
7 #include "intel_mipmap_tree.h"
8 #include "intel_blit.h"
10 #include "intel_tex_layout.h"
12 #define FILE_DEBUG_FLAG DEBUG_TEXTURE
15 * When validating, we only care about the texture images that could
16 * be seen, so for non-mipmapped modes we want to ignore everything
20 intel_update_max_level(struct intel_texture_object
*intelObj
,
21 struct gl_sampler_object
*sampler
)
23 struct gl_texture_object
*tObj
= &intelObj
->base
;
25 if (sampler
->MinFilter
== GL_NEAREST
||
26 sampler
->MinFilter
== GL_LINEAR
) {
27 intelObj
->_MaxLevel
= tObj
->BaseLevel
;
29 intelObj
->_MaxLevel
= tObj
->_MaxLevel
;
36 intel_finalize_mipmap_tree(struct intel_context
*intel
, GLuint unit
)
38 struct gl_context
*ctx
= &intel
->ctx
;
39 struct gl_texture_object
*tObj
= intel
->ctx
.Texture
.Unit
[unit
]._Current
;
40 struct intel_texture_object
*intelObj
= intel_texture_object(tObj
);
41 struct gl_sampler_object
*sampler
= _mesa_get_samplerobj(ctx
, unit
);
44 struct intel_texture_image
*firstImage
;
45 int width
, height
, depth
;
47 /* TBOs require no validation -- they always just point to their BO. */
48 if (tObj
->Target
== GL_TEXTURE_BUFFER
)
51 /* We know/require this is true by now:
53 assert(intelObj
->base
._BaseComplete
);
55 /* What levels must the tree include at a minimum?
57 intel_update_max_level(intelObj
, sampler
);
58 firstImage
= intel_texture_image(tObj
->Image
[0][tObj
->BaseLevel
]);
60 /* Check tree can hold all active levels. Check tree matches
61 * target, imageFormat, etc.
63 * For pre-gen4, we have to match first_level == tObj->BaseLevel,
64 * because we don't have the control that gen4 does to make min/mag
65 * determination happen at a nonzero (hardware) baselevel. Because
66 * of that, we just always relayout on baselevel change.
69 (!intel_miptree_match_image(intelObj
->mt
, &firstImage
->base
.Base
) ||
70 intelObj
->mt
->first_level
!= tObj
->BaseLevel
||
71 intelObj
->mt
->last_level
< intelObj
->_MaxLevel
)) {
72 intel_miptree_release(&intelObj
->mt
);
76 /* May need to create a new tree:
79 intel_miptree_get_dimensions_for_image(&firstImage
->base
.Base
,
80 &width
, &height
, &depth
);
82 intelObj
->mt
= intel_miptree_create(intel
,
83 intelObj
->base
.Target
,
84 firstImage
->base
.Base
.TexFormat
,
92 INTEL_MSAA_LAYOUT_NONE
);
97 /* Pull in any images not in the object's tree:
99 nr_faces
= _mesa_num_tex_faces(intelObj
->base
.Target
);
100 for (face
= 0; face
< nr_faces
; face
++) {
101 for (i
= tObj
->BaseLevel
; i
<= intelObj
->_MaxLevel
; i
++) {
102 struct intel_texture_image
*intelImage
=
103 intel_texture_image(intelObj
->base
.Image
[face
][i
]);
104 /* skip too small size mipmap */
105 if (intelImage
== NULL
)
108 if (intelObj
->mt
!= intelImage
->mt
) {
109 intel_miptree_copy_teximage(intel
, intelImage
, intelObj
->mt
);
118 * \param mode bitmask of GL_MAP_READ_BIT, GL_MAP_WRITE_BIT
121 intel_tex_map_image_for_swrast(struct intel_context
*intel
,
122 struct intel_texture_image
*intel_image
,
127 struct intel_mipmap_tree
*mt
;
130 if (!intel_image
|| !intel_image
->mt
)
133 level
= intel_image
->base
.Base
.Level
;
134 face
= intel_image
->base
.Base
.Face
;
135 mt
= intel_image
->mt
;
137 for (int i
= 0; i
< mt
->level
[level
].depth
; i
++)
138 intel_miptree_slice_resolve_depth(intel
, mt
, level
, i
);
140 if (mt
->target
== GL_TEXTURE_3D
||
141 mt
->target
== GL_TEXTURE_2D_ARRAY
||
142 mt
->target
== GL_TEXTURE_1D_ARRAY
) {
145 /* ImageOffsets[] is only used for swrast's fetch_texel_3d, so we can't
146 * share code with the normal path.
148 for (i
= 0; i
< mt
->level
[level
].depth
; i
++) {
149 intel_miptree_get_image_offset(mt
, level
, face
, i
, &x
, &y
);
150 intel_image
->base
.ImageOffsets
[i
] = x
+ y
* mt
->region
->pitch
;
153 DBG("%s \n", __FUNCTION__
);
155 intel_image
->base
.Map
= intel_region_map(intel
, mt
->region
, mode
);
157 assert(intel_image
->base
.Base
.Depth
== 1);
158 intel_miptree_get_image_offset(mt
, level
, face
, 0, &x
, &y
);
160 DBG("%s: (%d,%d) -> (%d, %d)/%d\n",
161 __FUNCTION__
, face
, level
, x
, y
, mt
->region
->pitch
* mt
->cpp
);
163 intel_image
->base
.Map
= intel_region_map(intel
, mt
->region
, mode
) +
164 (x
+ y
* mt
->region
->pitch
) * mt
->cpp
;
167 intel_image
->base
.RowStride
= mt
->region
->pitch
;
171 intel_tex_unmap_image_for_swrast(struct intel_context
*intel
,
172 struct intel_texture_image
*intel_image
)
174 if (intel_image
&& intel_image
->mt
) {
175 intel_region_unmap(intel
, intel_image
->mt
->region
);
176 intel_image
->base
.Map
= NULL
;
181 * \param mode bitmask of GL_MAP_READ_BIT, GL_MAP_WRITE_BIT
184 intel_tex_map_images(struct intel_context
*intel
,
185 struct intel_texture_object
*intelObj
,
188 GLuint nr_faces
= _mesa_num_tex_faces(intelObj
->base
.Target
);
191 DBG("%s\n", __FUNCTION__
);
193 for (i
= intelObj
->base
.BaseLevel
; i
<= intelObj
->_MaxLevel
; i
++) {
194 for (face
= 0; face
< nr_faces
; face
++) {
195 struct intel_texture_image
*intel_image
=
196 intel_texture_image(intelObj
->base
.Image
[face
][i
]);
198 intel_tex_map_image_for_swrast(intel
, intel_image
, mode
);
204 intel_tex_unmap_images(struct intel_context
*intel
,
205 struct intel_texture_object
*intelObj
)
207 GLuint nr_faces
= _mesa_num_tex_faces(intelObj
->base
.Target
);
210 for (i
= intelObj
->base
.BaseLevel
; i
<= intelObj
->_MaxLevel
; i
++) {
211 for (face
= 0; face
< nr_faces
; face
++) {
212 struct intel_texture_image
*intel_image
=
213 intel_texture_image(intelObj
->base
.Image
[face
][i
]);
215 intel_tex_unmap_image_for_swrast(intel
, intel_image
);