2 * Mesa 3-D graphics library
4 * Copyright (C) 2016 Ilia Mirkin. All Rights Reserved.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
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11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included
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17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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22 * OTHER DEALINGS IN THE SOFTWARE.
28 * glPrimitiveBoundingBox function
35 _mesa_PrimitiveBoundingBox(
36 GLfloat minX
, GLfloat minY
, GLfloat minZ
, GLfloat minW
,
37 GLfloat maxX
, GLfloat maxY
, GLfloat maxZ
, GLfloat maxW
)
39 GET_CURRENT_CONTEXT(ctx
);
41 ctx
->PrimitiveBoundingBox
[0] = minX
;
42 ctx
->PrimitiveBoundingBox
[1] = minY
;
43 ctx
->PrimitiveBoundingBox
[2] = minZ
;
44 ctx
->PrimitiveBoundingBox
[3] = minW
;
45 ctx
->PrimitiveBoundingBox
[4] = maxX
;
46 ctx
->PrimitiveBoundingBox
[5] = maxY
;
47 ctx
->PrimitiveBoundingBox
[6] = maxZ
;
48 ctx
->PrimitiveBoundingBox
[7] = maxW
;
52 _mesa_init_bbox(struct gl_context
*ctx
)
54 ctx
->PrimitiveBoundingBox
[0] =
55 ctx
->PrimitiveBoundingBox
[1] =
56 ctx
->PrimitiveBoundingBox
[2] = -1.0f
;
58 ctx
->PrimitiveBoundingBox
[3] =
59 ctx
->PrimitiveBoundingBox
[4] =
60 ctx
->PrimitiveBoundingBox
[5] =
61 ctx
->PrimitiveBoundingBox
[6] =
62 ctx
->PrimitiveBoundingBox
[7] = 1.0f
;