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