1 #include "swrast/swrast.h"
2 #include "main/texobj.h"
3 #include "main/teximage.h"
4 #include "main/mipmap.h"
5 #include "drivers/common/meta.h"
6 #include "intel_context.h"
7 #include "intel_mipmap_tree.h"
10 #define FILE_DEBUG_FLAG DEBUG_TEXTURE
12 static struct gl_texture_image
*
13 intelNewTextureImage(struct gl_context
* ctx
)
15 DBG("%s\n", __FUNCTION__
);
17 return (struct gl_texture_image
*) CALLOC_STRUCT(intel_texture_image
);
21 static struct gl_texture_object
*
22 intelNewTextureObject(struct gl_context
* ctx
, GLuint name
, GLenum target
)
24 struct intel_texture_object
*obj
= CALLOC_STRUCT(intel_texture_object
);
26 DBG("%s\n", __FUNCTION__
);
27 _mesa_initialize_texture_object(&obj
->base
, name
, target
);
33 intelDeleteTextureObject(struct gl_context
*ctx
,
34 struct gl_texture_object
*texObj
)
36 struct intel_context
*intel
= intel_context(ctx
);
37 struct intel_texture_object
*intelObj
= intel_texture_object(texObj
);
40 intel_miptree_release(intel
, &intelObj
->mt
);
42 _mesa_delete_texture_object(ctx
, texObj
);
47 intelFreeTextureImageData(struct gl_context
* ctx
, struct gl_texture_image
*texImage
)
49 struct intel_context
*intel
= intel_context(ctx
);
50 struct intel_texture_image
*intelImage
= intel_texture_image(texImage
);
52 DBG("%s\n", __FUNCTION__
);
55 intel_miptree_release(intel
, &intelImage
->mt
);
59 _mesa_free_texmemory(texImage
->Data
);
60 texImage
->Data
= NULL
;
65 * Called via ctx->Driver.GenerateMipmap()
66 * This is basically a wrapper for _mesa_meta_GenerateMipmap() which checks
67 * if we'll be using software mipmap generation. In that case, we need to
68 * map/unmap the base level texture image.
71 intelGenerateMipmap(struct gl_context
*ctx
, GLenum target
,
72 struct gl_texture_object
*texObj
)
74 if (_mesa_meta_check_generate_mipmap_fallback(ctx
, target
, texObj
)) {
75 /* sw path: need to map texture images */
76 struct intel_context
*intel
= intel_context(ctx
);
77 struct intel_texture_object
*intelObj
= intel_texture_object(texObj
);
79 fallback_debug("%s - fallback to swrast\n", __FUNCTION__
);
81 intel_tex_map_level_images(intel
, intelObj
, texObj
->BaseLevel
);
82 _mesa_generate_mipmap(ctx
, target
, texObj
);
83 intel_tex_unmap_level_images(intel
, intelObj
, texObj
->BaseLevel
);
86 GLuint nr_faces
= (texObj
->Target
== GL_TEXTURE_CUBE_MAP
) ? 6 : 1;
88 /* Update the level information in our private data in the new images,
89 * since it didn't get set as part of a normal TexImage path.
91 for (face
= 0; face
< nr_faces
; face
++) {
92 for (i
= texObj
->BaseLevel
+ 1; i
< texObj
->MaxLevel
; i
++) {
93 struct intel_texture_image
*intelImage
=
94 intel_texture_image(texObj
->Image
[face
][i
]);
97 intelImage
->level
= i
;
98 intelImage
->face
= face
;
99 /* Unreference the miptree to signal that the new Data is a
100 * bare pointer from mesa.
102 intel_miptree_release(intel
, &intelImage
->mt
);
108 _mesa_meta_GenerateMipmap(ctx
, target
, texObj
);
114 intelInitTextureFuncs(struct dd_function_table
*functions
)
116 functions
->ChooseTextureFormat
= intelChooseTextureFormat
;
117 functions
->GenerateMipmap
= intelGenerateMipmap
;
119 functions
->NewTextureObject
= intelNewTextureObject
;
120 functions
->NewTextureImage
= intelNewTextureImage
;
121 functions
->DeleteTexture
= intelDeleteTextureObject
;
122 functions
->FreeTexImageData
= intelFreeTextureImageData
;