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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 5564 | serge | 1 | /************************************************************************** |
| 2 | * |
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| 3 | * Copyright 2009 Marek Olšák |
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| 4 | * |
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| 5 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 6 | * copy of this software and associated documentation files (the |
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| 7 | * "Software"), to deal in the Software without restriction, including |
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| 8 | * without limitation the rights to use, copy, modify, merge, publish, |
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| 9 | * distribute, sub license, and/or sell copies of the Software, and to |
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| 10 | * permit persons to whom the Software is furnished to do so, subject to |
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| 11 | * the following conditions: |
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| 12 | * |
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| 13 | * The above copyright notice and this permission notice (including the |
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| 14 | * next paragraph) shall be included in all copies or substantial portions |
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| 15 | * of the Software. |
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| 16 | * |
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| 17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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| 18 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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| 19 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
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| 20 | * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR |
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| 21 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
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| 22 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
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| 23 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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| 24 | * |
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| 25 | **************************************************************************/ |
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| 26 | |||
| 27 | #ifndef U_TEXTURE_H |
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| 28 | #define U_TEXTURE_H |
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| 29 | |||
| 30 | #include "pipe/p_compiler.h" |
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| 31 | |||
| 32 | #ifdef __cplusplus |
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| 33 | extern "C" { |
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| 34 | #endif |
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| 35 | |||
| 36 | /** |
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| 37 | * Convert 2D texture coordinates of 4 vertices into cubemap coordinates |
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| 38 | * in the given face. |
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| 39 | * Coordinates must be in the range [0,1]. |
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| 40 | * |
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| 41 | * \param face Cubemap face. |
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| 42 | * \param in_st 4 pairs of 2D texture coordinates to convert. |
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| 43 | * \param in_stride Stride of in_st in floats. |
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| 44 | * \param out_str STR cubemap texture coordinates to compute. |
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| 45 | * \param out_stride Stride of out_str in floats. |
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| 46 | */ |
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| 47 | void util_map_texcoords2d_onto_cubemap(unsigned face, |
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| 48 | const float *in_st, unsigned in_stride, |
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| 49 | float *out_str, unsigned out_stride, |
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| 50 | boolean allow_scale); |
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| 51 | |||
| 52 | |||
| 53 | #ifdef __cplusplus |
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| 54 | } |
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| 55 | #endif |
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| 56 | |||
| 57 | #endif |