[deb_xorg-server.git] / glx / glxcontext.h

#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif

#ifndef _GLX_context_h_
#define _GLX_context_h_

/*
 * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
 * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice including the dates of first publication and
 * either this permission notice or a reference to
 * http://oss.sgi.com/projects/FreeB/
 * shall be included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 * Except as contained in this notice, the name of Silicon Graphics, Inc.
 * shall not be used in advertising or otherwise to promote the sale, use or
 * other dealings in this Software without prior written authorization from
 * Silicon Graphics, Inc.
 */

typedef struct __GLXtextureFromPixmap __GLXtextureFromPixmap;
struct __GLXtextureFromPixmap {
    int (*bindTexImage) (__GLXcontext * baseContext,
                         int buffer, __GLXdrawable * pixmap);
    int (*releaseTexImage) (__GLXcontext * baseContext,
                            int buffer, __GLXdrawable * pixmap);
};

struct __GLXcontext {
    void (*destroy) (__GLXcontext * context);
    int (*makeCurrent) (__GLXcontext * context);
    int (*loseCurrent) (__GLXcontext * context);
    int (*copy) (__GLXcontext * dst, __GLXcontext * src, unsigned long mask);
    Bool (*wait) (__GLXcontext * context, __GLXclientState * cl, int *error);

    __GLXtextureFromPixmap *textureFromPixmap;

    /*
     ** list of context structs
     */
    __GLXcontext *next;

    /*
     ** config struct for this context
     */
    __GLXconfig *config;

    /*
     ** Pointer to screen info data for this context.  This is set
     ** when the context is created.
     */
    __GLXscreen *pGlxScreen;

    /*
     ** If this context is current for a client, this will be that client
     */
    ClientPtr currentClient;

    /*
     ** The XID of this context.
     */
    XID id;

    /*
     ** The XID of the shareList context.
     */
    XID share_id;

    /*
     ** Whether this context's ID still exists.
     */
    GLboolean idExists;

    /*
     ** Whether this context is a direct rendering context.
     */
    GLboolean isDirect;

    /*
     ** This flag keeps track of whether there are unflushed GL commands.
     */
    GLboolean hasUnflushedCommands;

    /*
     ** Current rendering mode for this context.
     */
    GLenum renderMode;

    /**
     * Reset notification strategy used when a GPU reset occurs.
     */
    GLenum resetNotificationStrategy;

    /*
     ** Buffers for feedback and selection.
     */
    GLfloat *feedbackBuf;
    GLint feedbackBufSize;      /* number of elements allocated */
    GLuint *selectBuf;
    GLint selectBufSize;        /* number of elements allocated */

    /*
     ** The drawable private this context is bound to
     */
    __GLXdrawable *drawPriv;
    __GLXdrawable *readPriv;
};

void __glXContextDestroy(__GLXcontext * context);

extern int validGlxScreen(ClientPtr client, int screen,
                          __GLXscreen ** pGlxScreen, int *err);

extern int validGlxFBConfig(ClientPtr client, __GLXscreen * pGlxScreen,
                            XID id, __GLXconfig ** config, int *err);

extern int validGlxContext(ClientPtr client, XID id, int access_mode,
                           __GLXcontext ** context, int *err);

extern __GLXcontext *__glXdirectContextCreate(__GLXscreen * screen,
                                              __GLXconfig * modes,
                                              __GLXcontext * shareContext);

#endif                          /* !__GLX_context_h__ */
Commit	Line	Data
a09e091a JB	1	#ifdef HAVE_DIX_CONFIG_H
	2	#include <dix-config.h>
	3	#endif
	4
	5	#ifndef _GLX_context_h_
	6	#define _GLX_context_h_
	7
	8	/*
	9	* SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
	10	* Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
	11	*
	12	* Permission is hereby granted, free of charge, to any person obtaining a
	13	* copy of this software and associated documentation files (the "Software"),
	14	* to deal in the Software without restriction, including without limitation
	15	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
	16	* and/or sell copies of the Software, and to permit persons to whom the
	17	* Software is furnished to do so, subject to the following conditions:
	18	*
	19	* The above copyright notice including the dates of first publication and
	20	* either this permission notice or a reference to
	21	* http://oss.sgi.com/projects/FreeB/
	22	* shall be included in all copies or substantial portions of the Software.
	23	*
	24	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
	25	* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	26	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	27	* SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
	28	* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
	29	* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	30	* SOFTWARE.
	31	*
	32	* Except as contained in this notice, the name of Silicon Graphics, Inc.
	33	* shall not be used in advertising or otherwise to promote the sale, use or
	34	* other dealings in this Software without prior written authorization from
	35	* Silicon Graphics, Inc.
	36	*/
	37
	38	typedef struct __GLXtextureFromPixmap __GLXtextureFromPixmap;
	39	struct __GLXtextureFromPixmap {
	40	int (bindTexImage) (__GLXcontext baseContext,
	41	int buffer, __GLXdrawable * pixmap);
	42	int (releaseTexImage) (__GLXcontext baseContext,
	43	int buffer, __GLXdrawable * pixmap);
	44	};
	45
	46	struct __GLXcontext {
	47	void (destroy) (__GLXcontext context);
	48	int (makeCurrent) (__GLXcontext context);
	49	int (loseCurrent) (__GLXcontext context);
	50	int (copy) (__GLXcontext dst, __GLXcontext * src, unsigned long mask);
	51	Bool (wait) (__GLXcontext context, __GLXclientState * cl, int *error);
	52
	53	__GLXtextureFromPixmap *textureFromPixmap;
	54
	55	/*
	56	** list of context structs
	57	*/
	58	__GLXcontext *next;
	59
	60	/*
	61	** config struct for this context
	62	*/
	63	__GLXconfig *config;
	64
65	/*
66	** Pointer to screen info data for this context. This is set
67	** when the context is created.
68	*/
69	__GLXscreen *pGlxScreen;
70
71	/*
72	** If this context is current for a client, this will be that client
73	*/
74	ClientPtr currentClient;
75
76	/*
77	** The XID of this context.
78	*/
79	XID id;
80
81	/*
82	** The XID of the shareList context.
83	*/
84	XID share_id;
85
86	/*
87	** Whether this context's ID still exists.
88	*/
89	GLboolean idExists;
90
91	/*
92	** Whether this context is a direct rendering context.
93	*/
94	GLboolean isDirect;
95
96	/*
97	** This flag keeps track of whether there are unflushed GL commands.
98	*/
99	GLboolean hasUnflushedCommands;
100
101	/*
102	** Current rendering mode for this context.
103	*/
104	GLenum renderMode;
105
106	/**
107	* Reset notification strategy used when a GPU reset occurs.
108	*/
109	GLenum resetNotificationStrategy;
110
111	/*
112	** Buffers for feedback and selection.
113	*/
114	GLfloat *feedbackBuf;
115	GLint feedbackBufSize; /* number of elements allocated */
116	GLuint *selectBuf;
117	GLint selectBufSize; /* number of elements allocated */
118
119	/*
120	** The drawable private this context is bound to
121	*/
122	__GLXdrawable *drawPriv;
123	__GLXdrawable *readPriv;
124	};
125
126	void __glXContextDestroy(__GLXcontext * context);
127
128	extern int validGlxScreen(ClientPtr client, int screen,
129	__GLXscreen ** pGlxScreen, int *err);
130
131	extern int validGlxFBConfig(ClientPtr client, __GLXscreen * pGlxScreen,
132	XID id, __GLXconfig ** config, int *err);
133
134	extern int validGlxContext(ClientPtr client, XID id, int access_mode,
135	__GLXcontext ** context, int *err);
136
137	extern __GLXcontext __glXdirectContextCreate(__GLXscreen screen,
138	__GLXconfig * modes,
139	__GLXcontext * shareContext);
140
141	#endif /* !__GLX_context_h__ */