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+/**
+ * \file miniglxP.h
+ * \brief Define replacements for some X data types and define the DRI-related
+ * data structures.
+ *
+ * \note Cut down version of glxclient.h.
+ *
+ */
+
+#ifndef _mini_GLX_client_h_
+#define _mini_GLX_client_h_
+
+#include <signal.h>
+#include <linux/fb.h>
+
+#include <GL/miniglx.h>
+#include "glheader.h"
+#include "mtypes.h"
+
+#include "driver.h"
+#include "GL/internal/dri_interface.h"
+
+/**
+ * \brief Supported pixel formats.
+ */
+enum PixelFormat {
+ PF_B8G8R8, /**< \brief 24-bit BGR */
+ PF_B8G8R8A8, /**< \brief 32-bit BGRA */
+ PF_B5G6R5, /**< \brief 16-bit BGR */
+ PF_B5G5R5, /**< \brief 15-bit BGR */
+ PF_CI8 /**< \brief 8-bit color index */
+};
+
+/**
+ * \brief X Visual type.
+ *
+ * \sa ::Visual, \ref datatypes.
+ */
+struct MiniGLXVisualRec {
+ /** \brief GLX visual information */
+ const __GLcontextModes *mode;
+
+ /** \brief pointer back to corresponding ::XVisualInfo */
+ XVisualInfo *visInfo;
+
+ /** \brief display handle */
+ Display *dpy;
+
+ /** \brief pixel format */
+ enum PixelFormat pixelFormat;
+};
+
+
+
+/**
+ * \brief X Window type.
+ *
+ * \sa ::Window, \ref datatypes.
+ */
+struct MiniGLXWindowRec {
+ Visual *visual;
+ /** \brief position (always 0,0) */
+ int x, y;
+ /** \brief size */
+ unsigned int w, h;
+ void *frontStart; /**< \brief start of front color buffer */
+ void *backStart; /**< \brief start of back color buffer */
+ size_t size; /**< \brief color buffer size, in bytes */
+ GLuint bytesPerPixel;
+ GLuint rowStride; /**< \brief in bytes */
+ GLubyte *frontBottom; /**< \brief pointer to last row */
+ GLubyte *backBottom; /**< \brief pointer to last row */
+ GLubyte *curBottom; /**< = frontBottom or backBottom */
+ __DRIdrawable driDrawable;
+ GLuint ismapped;
+};
+
+
+/**
+ * \brief GLXContext type.
+ *
+ * \sa ::GLXContext, \ref datatypes.
+ */
+struct MiniGLXContextRec {
+ Window drawBuffer; /**< \brief drawing buffer */
+ Window curBuffer; /**< \brief current buffer */
+ VisualID vid; /**< \brief visual ID */
+ __DRIcontext driContext; /**< \brief context dependent methods */
+};
+
+#define MINIGLX_BUF_SIZE 512
+#define MINIGLX_MAX_SERVER_FDS 10
+#define MINIGLX_MAX_CLIENT_FDS 1
+#define MINIGLX_EVENT_QUEUE_SZ 16
+#define MINIGLX_EVENT_QUEUE_MASK (MINIGLX_EVENT_QUEUE_SZ-1)
+
+/**
+ * A connection to/from the server
+ *
+ * All information is to/from the server is buffered and then dispatched by
+ * __miniglx_Select() to avoid blocking the server.
+ */
+struct MiniGLXConnection {
+ int fd; /**< \brief file descriptor */
+ char readbuf[MINIGLX_BUF_SIZE]; /**< \brief read buffer */
+ char writebuf[MINIGLX_BUF_SIZE]; /**< \brief write buffer */
+ int readbuf_count; /**< \brief count of bytes waiting to be read */
+ int writebuf_count; /**< \brief count of bytes waiting to be written */
+};
+
+
+/**
+ * \brief X Display type
+ *
+ * \sa ::Display, \ref datatypes.
+ */
+struct MiniGLXDisplayRec {
+ /** \brief fixed framebuffer screen info */
+ struct fb_fix_screeninfo FixedInfo;
+ /** \brief original and current variable framebuffer screen info */
+ struct fb_var_screeninfo OrigVarInfo, VarInfo;
+ struct sigaction OrigSigUsr1;
+ struct sigaction OrigSigUsr2;
+ int OriginalVT;
+ int ConsoleFD; /**< \brief console TTY device file descriptor */
+ int FrameBufferFD; /**< \brief framebuffer device file descriptor */
+ int NumWindows; /**< \brief number of open windows */
+ Window TheWindow; /**< \brief open window - only allow one window for now */
+ int rotateMode;
+
+
+ volatile int vtSignalFlag;
+ volatile int haveVT; /**< \brief whether the VT is hold */
+ int hwActive; /**< \brief whether the hardware is active -- mimics
+ the variations of MiniGLXDisplayRec::haveVT */
+
+
+ int IsClient; /**< \brief whether it's a client or the server */
+ int clientID;
+ int nrFds; /**< \brief number of connections (usually just one for the clients) */
+ struct MiniGLXConnection *fd; /**< \brief connections */
+ int drmFd; /**< \brief handle to drm device */
+ int authorized; /**< \brief has server authorized this process? */
+
+ struct {
+ int nr, head, tail;
+ XEvent queue[MINIGLX_EVENT_QUEUE_SZ];
+ } eventqueue;
+
+ /**
+ * \name Visuals
+ *
+ * Visuals (configs) in this screen.
+ */
+ /*@{*/
+ const __GLcontextModes *driver_modes; /**< \brief Modes filtered by driver. */
+ /*@}*/
+
+ /**
+ * \name From __GLXdisplayPrivate
+ */
+ /*@{*/
+ PFNCREATENEWSCREENFUNC createNewScreen; /**< \brief \e __driCreateScreen hook */
+ __DRIscreen driScreen; /**< \brief Screen dependent methods */
+ void *dlHandle; /**<
+ * \brief handle to the client dynamic
+ * library
+ */
+ /*@}*/
+
+ /**
+ * \brief Mini GLX specific driver hooks
+ */
+ struct DRIDriverRec *driver;
+ struct DRIDriverContextRec driverContext;
+
+ /**
+ * \name Configuration details
+ *
+ * They are read from a configuration file by __read_config_file().
+ */
+ /*@{*/
+ const char *fbdevDevice;
+ const char *clientDriverName;
+ /*@}*/
+};
+
+/** Character messages. */
+enum msgs {
+ _CanIHaveFocus,
+ _IDontWantFocus,
+ _YouveGotFocus,
+ _YouveLostFocus,
+ _RepaintPlease,
+ _Authorize,
+};
+extern int send_msg( Display *dpy, int i, const void *msg, size_t sz );
+extern int send_char_msg( Display *dpy, int i, char msg );
+extern int blocking_read( Display *dpy, int connection, char *msg, size_t msg_size );
+extern int handle_fd_events( Display *dpy, int nonblock );
+
+extern int __miniglx_open_connections( Display *dpy );
+extern void __miniglx_close_connections( Display *dpy );
+
+#endif /* !_mini_GLX_client_h_ */