sync code with last improvements from OpenBSD

2023-08-28 05:57:34 +00:00 · 2023-08-28 05:57:34 +00:00 · 88965415ff
commit 88965415ff
26235 changed files with 29195616 additions and 0 deletions
--- a/xserver/glx/glxcontext.h
+++ b/xserver/glx/glxcontext.h
@ -0,0 +1,152 @@
+#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.
+ */
+
+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);
+
+    /* EXT_texture_from_pixmap */
+    int (*bindTexImage) (__GLXcontext * baseContext,
+                         int buffer, __GLXdrawable * pixmap);
+    int (*releaseTexImage) (__GLXcontext * baseContext,
+                            int buffer, __GLXdrawable * pixmap);
+
+    /*
+     ** 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;
+
+    /*
+     ** Current rendering mode for this context.
+     */
+    GLenum renderMode;
+
+    /**
+     * Reset notification strategy used when a GPU reset occurs.
+     */
+    GLenum resetNotificationStrategy;
+
+    /**
+     * Context release behavior
+     */
+    GLenum releaseBehavior;
+
+    /**
+     * Context render type
+     */
+    int renderType;
+
+    /*
+     ** Buffers for feedback and selection.
+     */
+    GLfloat *feedbackBuf;
+    GLint feedbackBufSize;      /* number of elements allocated */
+    GLuint *selectBuf;
+    GLint selectBufSize;        /* number of elements allocated */
+
+    /*
+     ** Keep track of large rendering commands, which span multiple requests.
+     */
+    GLint largeCmdBytesSoFar;   /* bytes received so far        */
+    GLint largeCmdBytesTotal;   /* total bytes expected         */
+    GLint largeCmdRequestsSoFar;        /* requests received so far     */
+    GLint largeCmdRequestsTotal;        /* total requests expected      */
+    GLbyte *largeCmdBuf;
+    GLint largeCmdBufSize;
+
+    /*
+     ** 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__ */