1f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/************************************************************************** 2f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 3f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. 4f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Copyright 2009-2010 Chia-I Wu <olvaffe@gmail.com> 5f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Copyright 2010-2011 LunarG, Inc. 6f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * All Rights Reserved. 7f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 8f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Permission is hereby granted, free of charge, to any person obtaining a 9f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * copy of this software and associated documentation files (the 10f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * "Software"), to deal in the Software without restriction, including 11f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * without limitation the rights to use, copy, modify, merge, publish, 12f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * distribute, sub license, and/or sell copies of the Software, and to 13f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * permit persons to whom the Software is furnished to do so, subject to 14f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * the following conditions: 15f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 16f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * The above copyright notice and this permission notice (including the 17f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * next paragraph) shall be included in all copies or substantial portions 18f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * of the Software. 19f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 20f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 21f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 22f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 23f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 24f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 25f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 26f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * DEALINGS IN THE SOFTWARE. 27f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 28f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org **************************************************************************/ 29f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 30f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 31f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#ifndef EGLCONTEXT_INCLUDED 32f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define EGLCONTEXT_INCLUDED 33f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 34f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 35f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "egltypedefs.h" 36f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "egldisplay.h" 37f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 38f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 39f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 40f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * "Base" class for device driver contexts. 41f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 42f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct _egl_context 43f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 44f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* A context is a display resource */ 45f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _EGLResource Resource; 46f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 47f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* The bound status of the context */ 48f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _EGLThreadInfo *Binding; 49f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _EGLSurface *DrawSurface; 50f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _EGLSurface *ReadSurface; 51f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 52f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _EGLConfig *Config; 53f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 54f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org EGLint ClientAPI; /**< EGL_OPENGL_ES_API, EGL_OPENGL_API, EGL_OPENVG_API */ 55f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org EGLint ClientMajorVersion; 56f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org EGLint ClientMinorVersion; 57f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org EGLint Flags; 58f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org EGLint Profile; 59f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org EGLint ResetNotificationStrategy; 60f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 61f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* The real render buffer when a window surface is bound */ 62f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org EGLint WindowRenderBuffer; 63f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org}; 64f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 65f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 66f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgPUBLIC EGLBoolean 67f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_eglInitContext(_EGLContext *ctx, _EGLDisplay *dpy, 68f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _EGLConfig *config, const EGLint *attrib_list); 69f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 70f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 71f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgextern EGLBoolean 72f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_eglQueryContext(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx, EGLint attribute, EGLint *value); 73f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 74f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 75f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgPUBLIC EGLBoolean 76f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_eglBindContext(_EGLContext *ctx, _EGLSurface *draw, _EGLSurface *read, 77f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _EGLContext **old_ctx, 78f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _EGLSurface **old_draw, _EGLSurface **old_read); 79f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 80f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 81f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 82f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Increment reference count for the context. 83f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 84f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic INLINE _EGLContext * 85f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_eglGetContext(_EGLContext *ctx) 86f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 87f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ctx) 88f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _eglGetResource(&ctx->Resource); 89f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return ctx; 90f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 91f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 92f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 93f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 94f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Decrement reference count for the context. 95f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 96f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic INLINE EGLBoolean 97f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_eglPutContext(_EGLContext *ctx) 98f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 99f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return (ctx) ? _eglPutResource(&ctx->Resource) : EGL_FALSE; 100f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 101f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 102f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 103f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 104f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Link a context to its display and return the handle of the link. 105f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * The handle can be passed to client directly. 106f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 107f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic INLINE EGLContext 108f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_eglLinkContext(_EGLContext *ctx) 109f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 110f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _eglLinkResource(&ctx->Resource, _EGL_RESOURCE_CONTEXT); 111f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return (EGLContext) ctx; 112f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 113f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 114f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 115f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 116f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Unlink a linked context from its display. 117f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Accessing an unlinked context should generate EGL_BAD_CONTEXT error. 118f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 119f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic INLINE void 120f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_eglUnlinkContext(_EGLContext *ctx) 121f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 122f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _eglUnlinkResource(&ctx->Resource, _EGL_RESOURCE_CONTEXT); 123f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 124f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 125f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 126f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 127f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Lookup a handle to find the linked context. 128f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Return NULL if the handle has no corresponding linked context. 129f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 130f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic INLINE _EGLContext * 131f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_eglLookupContext(EGLContext context, _EGLDisplay *dpy) 132f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 133f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _EGLContext *ctx = (_EGLContext *) context; 134f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!dpy || !_eglCheckResource((void *) ctx, _EGL_RESOURCE_CONTEXT, dpy)) 135f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx = NULL; 136f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return ctx; 137f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 138f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 139f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 140f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 141f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Return the handle of a linked context, or EGL_NO_CONTEXT. 142f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 143f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic INLINE EGLContext 144f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_eglGetContextHandle(_EGLContext *ctx) 145f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 146f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _EGLResource *res = (_EGLResource *) ctx; 147f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return (res && _eglIsResourceLinked(res)) ? 148f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org (EGLContext) ctx : EGL_NO_CONTEXT; 149f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 150f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 151f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 152f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif /* EGLCONTEXT_INCLUDED */ 153