| 1 | /* | 
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| 2 | Copyright (c) 2012, Broadcom Europe Ltd | 
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| 3 | All rights reserved. | 
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| 4 |  | 
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| 5 | Redistribution and use in source and binary forms, with or without | 
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| 6 | modification, are permitted provided that the following conditions are met: | 
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| 7 | * Redistributions of source code must retain the above copyright | 
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| 8 | notice, this list of conditions and the following disclaimer. | 
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| 9 | * Redistributions in binary form must reproduce the above copyright | 
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| 10 | notice, this list of conditions and the following disclaimer in the | 
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| 11 | documentation and/or other materials provided with the distribution. | 
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| 12 | * Neither the name of the copyright holder nor the | 
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| 13 | names of its contributors may be used to endorse or promote products | 
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| 14 | derived from this software without specific prior written permission. | 
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| 15 |  | 
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| 16 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND | 
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| 17 | ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | 
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| 18 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | 
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| 19 | DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY | 
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| 20 | DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | 
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| 21 | (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | 
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| 22 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | 
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| 23 | ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 
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| 24 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | 
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| 25 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 
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| 26 | */ | 
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| 27 |  | 
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| 28 | #ifndef EGL_CLIENT_CONTEXT_H | 
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| 29 | #define EGL_CLIENT_CONTEXT_H | 
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| 30 |  | 
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| 31 | #include "interface/khronos/egl/egl_int.h" | 
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| 32 |  | 
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| 33 | typedef struct { | 
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| 34 | EGLContext name; | 
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| 35 | EGLDisplay display; | 
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| 36 | EGLConfig configname; | 
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| 37 |  | 
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| 38 | EGL_CONTEXT_TYPE_T type; | 
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| 39 |  | 
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| 40 | EGLint renderbuffer;    //EGL_NONE, EGL_BACK_BUFFER or EGL_SINGLE_BUFFER | 
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| 41 |  | 
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| 42 | void *state;                                 // GLXX_CLIENT_STATE_T or VG_CLIENT_STATE_T | 
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| 43 | EGL_CONTEXT_ID_T servercontext; | 
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| 44 |  | 
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| 45 | struct CLIENT_THREAD_STATE *thread;          // If we are current, which the client state for the thread are we associated with. | 
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| 46 |  | 
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| 47 | /* | 
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| 48 | is_current | 
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| 49 |  | 
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| 50 | Invariant: | 
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| 51 |  | 
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| 52 | (EGL_CONTEXT_IS_CURRENT) | 
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| 53 | Iff true, the context is current to some thread. | 
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| 54 | */ | 
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| 55 | bool is_current; | 
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| 56 | /* | 
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| 57 | is_destroyed | 
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| 58 |  | 
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| 59 | Invariant: | 
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| 60 |  | 
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| 61 | (EGL_CONTEXT_IS_DESTROYED) | 
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| 62 | Iff true, is not a member of the CLIENT_PROCESS_STATE_T.contexts | 
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| 63 | */ | 
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| 64 | bool is_destroyed; | 
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| 65 | } EGL_CONTEXT_T; | 
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| 66 |  | 
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| 67 | extern EGLBoolean egl_context_check_attribs(const EGLint *attrib_list, EGLint max_version, EGLint *version); | 
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| 68 |  | 
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| 69 | extern EGL_CONTEXT_T *egl_context_create(EGL_CONTEXT_T *share_context, EGLContext name, EGLDisplay display, EGLConfig configname, EGL_CONTEXT_TYPE_T type); | 
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| 70 | extern void egl_context_term(EGL_CONTEXT_T *context); | 
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| 71 |  | 
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| 72 | extern void egl_context_set_callbacks(EGL_CONTEXT_T *context, | 
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| 73 | void (*gl_render_callback)(void), | 
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| 74 | void (*gl_flush_callback)(bool), | 
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| 75 | void (*vg_render_callback)(void), | 
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| 76 | void (*vg_flush_callback)(bool)); | 
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| 77 |  | 
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| 78 | extern EGLBoolean egl_context_get_attrib(EGL_CONTEXT_T *context, EGLint attrib, EGLint *value); | 
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| 79 | extern void egl_context_maybe_free(EGL_CONTEXT_T *context); | 
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| 80 |  | 
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| 81 | #endif | 
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| 82 |  | 
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