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108 lines
3.5 KiB
C
108 lines
3.5 KiB
C
/*
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* Cogl
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*
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* A Low Level GPU Graphics and Utilities API
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*
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* Copyright (C) 2011 Intel Corporation.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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*
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*/
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#ifndef __COGL_RENDERER_GLX_PRIVATE_H
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#define __COGL_RENDERER_GLX_PRIVATE_H
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#include <gmodule.h>
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#include "cogl-object-private.h"
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#include "cogl-xlib-renderer-private.h"
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typedef struct _CoglGLXRenderer
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{
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int glx_major;
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int glx_minor;
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int glx_error_base;
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int glx_event_base;
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/* Vblank stuff */
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int dri_fd;
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/* enumeration with relatioship between OML_sync_control
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* UST (unadjusted-system-time) and the system clock */
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enum
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{
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COGL_GLX_UST_IS_UNKNOWN,
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COGL_GLX_UST_IS_GETTIMEOFDAY,
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COGL_GLX_UST_IS_MONOTONIC_TIME,
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COGL_GLX_UST_IS_OTHER
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} ust_type;
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/* GModule pointing to libGL which we use to get glX functions out of */
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GModule *libgl_module;
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CoglClosure *flush_notifications_idle;
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/* Copy of the winsys features that are based purely on the
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* information we can get without using a GL context. We want to
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* determine this before we have a context so that we can use the
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* function pointers from the extensions earlier. This is necessary
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* to use the glXCreateContextAttribs function. */
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unsigned long base_winsys_features
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[COGL_FLAGS_N_LONGS_FOR_SIZE (COGL_WINSYS_FEATURE_N_FEATURES)];
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CoglFeatureFlags legacy_feature_flags;
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/* Function pointers for core GLX functionality. We can't just link
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against these directly because we need to conditionally load
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libGL when we are using GLX so that it won't conflict with a GLES
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library if we are using EGL + GLES. These are just the functions
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that we want to use before calling glXGetProcAddress */
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Bool
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(* glXQueryExtension) (Display *dpy, int *errorb, int *event);
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const char *
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(* glXQueryExtensionsString) (Display *dpy, int screen);
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Bool
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(* glXQueryVersion) (Display *dpy, int *maj, int *min);
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void *
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(* glXGetProcAddress) (const GLubyte *procName);
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int
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(* glXQueryDrawable) (Display *dpy, GLXDrawable drawable,
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int attribute, unsigned int *value);
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/* Function pointers for GLX specific extensions */
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#define COGL_WINSYS_FEATURE_BEGIN(a, b, c, d, e, f, g)
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#define COGL_WINSYS_FEATURE_FUNCTION(ret, name, args) \
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ret (APIENTRY * name) args;
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#define COGL_WINSYS_FEATURE_END()
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#include "winsys/cogl-winsys-glx-feature-functions.h"
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#undef COGL_WINSYS_FEATURE_BEGIN
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#undef COGL_WINSYS_FEATURE_FUNCTION
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#undef COGL_WINSYS_FEATURE_END
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} CoglGLXRenderer;
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#endif /* __COGL_RENDERER_GLX_PRIVATE_H */
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