1 #include "swrast/swrast.h"
2 #include "main/texobj.h"
3 #include "main/teximage.h"
4 #include "main/mipmap.h"
5 #include "intel_context.h"
6 #include "intel_mipmap_tree.h"
9 #define FILE_DEBUG_FLAG DEBUG_TEXTURE
12 intelIsTextureResident(GLcontext
* ctx
, struct gl_texture_object
*texObj
)
15 struct intel_context
*intel
= intel_context(ctx
);
16 struct intel_texture_object
*intelObj
= intel_texture_object(texObj
);
20 intelObj
->mt
->region
&&
21 intel_is_region_resident(intel
, intelObj
->mt
->region
);
28 static struct gl_texture_image
*
29 intelNewTextureImage(GLcontext
* ctx
)
31 DBG("%s\n", __FUNCTION__
);
33 return (struct gl_texture_image
*) CALLOC_STRUCT(intel_texture_image
);
37 static struct gl_texture_object
*
38 intelNewTextureObject(GLcontext
* ctx
, GLuint name
, GLenum target
)
40 struct intel_texture_object
*obj
= CALLOC_STRUCT(intel_texture_object
);
42 DBG("%s\n", __FUNCTION__
);
43 _mesa_initialize_texture_object(&obj
->base
, name
, target
);
49 intelDeleteTextureObject(GLcontext
*ctx
,
50 struct gl_texture_object
*texObj
)
52 struct intel_context
*intel
= intel_context(ctx
);
53 struct intel_texture_object
*intelObj
= intel_texture_object(texObj
);
56 intel_miptree_release(intel
, &intelObj
->mt
);
58 _mesa_delete_texture_object(ctx
, texObj
);
63 intelFreeTextureImageData(GLcontext
* ctx
, struct gl_texture_image
*texImage
)
65 struct intel_context
*intel
= intel_context(ctx
);
66 struct intel_texture_image
*intelImage
= intel_texture_image(texImage
);
68 DBG("%s\n", __FUNCTION__
);
71 intel_miptree_release(intel
, &intelImage
->mt
);
75 _mesa_free_texmemory(texImage
->Data
);
76 texImage
->Data
= NULL
;
81 /* The system memcpy (at least on ubuntu 5.10) has problems copying
82 * to agp (writecombined) memory from a source which isn't 64-byte
83 * aligned - there is a 4x performance falloff.
85 * The x86 __memcpy is immune to this but is slightly slower
86 * (10%-ish) than the system memcpy.
88 * The sse_memcpy seems to have a slight cliff at 64/32 bytes, but
89 * isn't much faster than x86_memcpy for agp copies.
91 * TODO: switch dynamically.
94 do_memcpy(void *dest
, const void *src
, size_t n
)
96 if ((((unsigned long) src
) & 63) || (((unsigned long) dest
) & 63)) {
97 return __memcpy(dest
, src
, n
);
100 return memcpy(dest
, src
, n
);
104 #if DO_DEBUG && !defined(__ia64__)
111 __asm__
volatile ("\t"
113 "cpuid\n\t" ".byte 0x0f, 0x31\n\t"
114 "popl %%ebx\n":"=a" (eax
)
116 :"ecx", "edx", "cc");
125 __asm__
volatile ("\t" "cpuid\n\t" ".byte 0x0f, 0x31\n\t":"=a" (eax
)
127 :"ecx", "edx", "ebx", "cc");
134 time_diff(unsigned t
, unsigned t2
)
136 return ((t
< t2
) ? t2
- t
: 0xFFFFFFFFU
- (t
- t2
- 1));
141 timed_memcpy(void *dest
, const void *src
, size_t n
)
147 if ((((unsigned) src
) & 63) || (((unsigned) dest
) & 63))
148 _mesa_printf("Warning - non-aligned texture copy!\n");
151 ret
= do_memcpy(dest
, src
, n
);
154 rate
= time_diff(t1
, t2
);
156 _mesa_printf("timed_memcpy: %u %u --> %f clocks/byte\n", t1
, t2
, rate
);
159 #endif /* DO_DEBUG */
162 intelInitTextureFuncs(struct dd_function_table
*functions
)
164 functions
->ChooseTextureFormat
= intelChooseTextureFormat
;
165 functions
->GenerateMipmap
= intel_generate_mipmap
;
167 functions
->NewTextureObject
= intelNewTextureObject
;
168 functions
->NewTextureImage
= intelNewTextureImage
;
169 functions
->DeleteTexture
= intelDeleteTextureObject
;
170 functions
->FreeTexImageData
= intelFreeTextureImageData
;
171 functions
->UpdateTexturePalette
= 0;
172 functions
->IsTextureResident
= intelIsTextureResident
;
174 #if DO_DEBUG && !defined(__ia64__)
175 if (INTEL_DEBUG
& DEBUG_BUFMGR
)
176 functions
->TextureMemCpy
= timed_memcpy
;
179 functions
->TextureMemCpy
= do_memcpy
;