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| Rev | Author | Line No. | Line |
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| 1901 | serge | 1 | /** |
| 2 | * \file texstate.h |
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| 3 | * Texture state management. |
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| 4 | */ |
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| 5 | |||
| 6 | /* |
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| 7 | * Mesa 3-D graphics library |
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| 8 | * Version: 7.1 |
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| 9 | * |
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| 10 | * Copyright (C) 1999-2007 Brian Paul All Rights Reserved. |
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| 11 | * |
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| 12 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 13 | * copy of this software and associated documentation files (the "Software"), |
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| 14 | * to deal in the Software without restriction, including without limitation |
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| 15 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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| 16 | * and/or sell copies of the Software, and to permit persons to whom the |
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| 17 | * Software is furnished to do so, subject to the following conditions: |
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| 18 | * |
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| 19 | * The above copyright notice and this permission notice shall be included |
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| 20 | * in all copies or substantial portions of the Software. |
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| 21 | * |
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| 22 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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| 23 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 24 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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| 25 | * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN |
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| 26 | * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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| 27 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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| 28 | */ |
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| 29 | |||
| 30 | |||
| 31 | #ifndef TEXSTATE_H |
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| 32 | #define TEXSTATE_H |
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| 33 | |||
| 34 | |||
| 35 | #include "compiler.h" |
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| 36 | #include "mtypes.h" |
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| 37 | |||
| 38 | |||
| 39 | /** |
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| 40 | * Return pointer to current texture unit. |
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| 41 | * This the texture unit set by glActiveTexture(), not glClientActiveTexture(). |
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| 42 | */ |
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| 43 | static INLINE struct gl_texture_unit * |
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| 44 | _mesa_get_current_tex_unit(struct gl_context *ctx) |
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| 45 | { |
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| 46 | ASSERT(ctx->Texture.CurrentUnit < Elements(ctx->Texture.Unit)); |
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| 47 | return &(ctx->Texture.Unit[ctx->Texture.CurrentUnit]); |
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| 48 | } |
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| 49 | |||
| 50 | |||
| 51 | extern void |
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| 52 | _mesa_copy_texture_state( const struct gl_context *src, struct gl_context *dst ); |
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| 53 | |||
| 54 | extern void |
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| 55 | _mesa_print_texunit_state( struct gl_context *ctx, GLuint unit ); |
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| 56 | |||
| 57 | |||
| 58 | |||
| 59 | /** |
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| 60 | * \name Called from API |
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| 61 | */ |
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| 62 | /*@{*/ |
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| 63 | |||
| 64 | extern void GLAPIENTRY |
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| 65 | _mesa_ActiveTextureARB( GLenum target ); |
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| 66 | |||
| 67 | extern void GLAPIENTRY |
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| 68 | _mesa_ClientActiveTextureARB( GLenum target ); |
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| 69 | |||
| 70 | /*@}*/ |
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| 71 | |||
| 72 | |||
| 73 | /** |
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| 74 | * \name Initialization, state maintenance |
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| 75 | */ |
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| 76 | /*@{*/ |
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| 77 | |||
| 78 | extern void |
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| 79 | _mesa_update_texture( struct gl_context *ctx, GLuint new_state ); |
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| 80 | |||
| 81 | extern GLboolean |
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| 82 | _mesa_init_texture( struct gl_context *ctx ); |
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| 83 | |||
| 84 | extern void |
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| 85 | _mesa_free_texture_data( struct gl_context *ctx ); |
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| 86 | |||
| 87 | extern void |
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| 88 | _mesa_update_default_objects_texture(struct gl_context *ctx); |
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| 89 | |||
| 90 | /*@}*/ |
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| 91 | |||
| 92 | #endif |