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11 * The above copyright notice and this permission notice (including the next
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16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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25 * @file brw_object_purgeable.c
27 * The driver implementation of the GL_APPLE_object_purgeable extension.
30 #include "main/imports.h"
31 #include "main/mtypes.h"
32 #include "main/macros.h"
33 #include "main/bufferobj.h"
35 #include "brw_context.h"
36 #include "intel_buffer_objects.h"
37 #include "intel_fbo.h"
38 #include "intel_mipmap_tree.h"
41 intel_buffer_purgeable(drm_intel_bo
*buffer
)
46 retained
= drm_intel_bo_madvise(buffer
, I915_MADV_DONTNEED
);
48 return retained
? GL_VOLATILE_APPLE
: GL_RELEASED_APPLE
;
52 intel_buffer_object_purgeable(struct gl_context
* ctx
,
53 struct gl_buffer_object
*obj
,
56 struct intel_buffer_object
*intel_obj
= intel_buffer_object(obj
);
58 if (intel_obj
->buffer
!= NULL
)
59 return intel_buffer_purgeable(intel_obj
->buffer
);
61 if (option
== GL_RELEASED_APPLE
) {
62 return GL_RELEASED_APPLE
;
64 /* XXX Create the buffer and madvise(MADV_DONTNEED)? */
65 struct brw_context
*brw
= brw_context(ctx
);
66 drm_intel_bo
*bo
= intel_bufferobj_buffer(brw
, intel_obj
, INTEL_READ
);
68 return intel_buffer_purgeable(bo
);
73 intel_texture_object_purgeable(struct gl_context
* ctx
,
74 struct gl_texture_object
*obj
,
77 struct intel_texture_object
*intel
;
82 intel
= intel_texture_object(obj
);
83 if (intel
->mt
== NULL
|| intel
->mt
->region
== NULL
)
84 return GL_RELEASED_APPLE
;
86 return intel_buffer_purgeable(intel
->mt
->region
->bo
);
90 intel_render_object_purgeable(struct gl_context
* ctx
,
91 struct gl_renderbuffer
*obj
,
94 struct intel_renderbuffer
*intel
;
99 intel
= intel_renderbuffer(obj
);
100 if (intel
->mt
== NULL
)
101 return GL_RELEASED_APPLE
;
103 return intel_buffer_purgeable(intel
->mt
->region
->bo
);
107 intel_buffer_unpurgeable(drm_intel_bo
*buffer
)
113 retained
= drm_intel_bo_madvise(buffer
, I915_MADV_WILLNEED
);
115 return retained
? GL_RETAINED_APPLE
: GL_UNDEFINED_APPLE
;
119 intel_buffer_object_unpurgeable(struct gl_context
* ctx
,
120 struct gl_buffer_object
*obj
,
126 return intel_buffer_unpurgeable(intel_buffer_object(obj
)->buffer
);
130 intel_texture_object_unpurgeable(struct gl_context
* ctx
,
131 struct gl_texture_object
*obj
,
134 struct intel_texture_object
*intel
;
139 intel
= intel_texture_object(obj
);
140 if (intel
->mt
== NULL
|| intel
->mt
->region
== NULL
)
141 return GL_UNDEFINED_APPLE
;
143 return intel_buffer_unpurgeable(intel
->mt
->region
->bo
);
147 intel_render_object_unpurgeable(struct gl_context
* ctx
,
148 struct gl_renderbuffer
*obj
,
151 struct intel_renderbuffer
*intel
;
156 intel
= intel_renderbuffer(obj
);
157 if (intel
->mt
== NULL
)
158 return GL_UNDEFINED_APPLE
;
160 return intel_buffer_unpurgeable(intel
->mt
->region
->bo
);
164 brw_init_object_purgeable_functions(struct dd_function_table
*functions
)
166 functions
->BufferObjectPurgeable
= intel_buffer_object_purgeable
;
167 functions
->TextureObjectPurgeable
= intel_texture_object_purgeable
;
168 functions
->RenderObjectPurgeable
= intel_render_object_purgeable
;
170 functions
->BufferObjectUnpurgeable
= intel_buffer_object_unpurgeable
;
171 functions
->TextureObjectUnpurgeable
= intel_texture_object_unpurgeable
;
172 functions
->RenderObjectUnpurgeable
= intel_render_object_unpurgeable
;