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Diffstat (limited to 'src/glx/mini/miniglxP.h')
| -rw-r--r-- | src/glx/mini/miniglxP.h | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/src/glx/mini/miniglxP.h b/src/glx/mini/miniglxP.h new file mode 100644 index 00000000000..a32429a677c --- /dev/null +++ b/src/glx/mini/miniglxP.h @@ -0,0 +1,194 @@ +/** + * \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 "dri.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 */ + + struct { + int nr, head, tail; + XEvent queue[MINIGLX_EVENT_QUEUE_SZ]; + } eventqueue; + + /** + * \name Visuals + * + * Visuals (configs) in this screen. + */ + /*@{*/ + int numModes; /**< \brief Number of modes. */ + const __GLcontextModes *modes; /**< \brief Modes list pointer. */ + /*@}*/ + + /** + * \name From __GLXdisplayPrivate + */ + /*@{*/ + driCreateScreenFunc *createScreen; /**< \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; + /*@}*/ +}; + +extern __DRIscreen *__glXFindDRIScreen(Display *dpy, int scrn); + +extern Bool __glXWindowExists(Display *dpy, GLXDrawable draw); + +extern int __miniglx_open_connections( Display *dpy ); +extern void __miniglx_close_connections( Display *dpy ); + +#endif /* !_mini_GLX_client_h_ */ |