diff options
Diffstat (limited to 'src/gallium/state_trackers/xlib/xm_api.h')
| -rw-r--r-- | src/gallium/state_trackers/xlib/xm_api.h | 153 |
1 files changed, 140 insertions, 13 deletions
diff --git a/src/gallium/state_trackers/xlib/xm_api.h b/src/gallium/state_trackers/xlib/xm_api.h index 33d2f2c522..2b8302d174 100644 --- a/src/gallium/state_trackers/xlib/xm_api.h +++ b/src/gallium/state_trackers/xlib/xm_api.h @@ -23,14 +23,6 @@ */ -/* - * Mesa/X11 interface. This header file serves as the documentation for - * the Mesa/X11 interface functions. - * - * Note: this interface isn't intended for user programs. It's primarily - * just for implementing the pseudo-GLX interface. - */ - /* Sample Usage: @@ -65,16 +57,25 @@ and create a window, you must do the following to use the X/Mesa interface: #define XMESA_H +#include "mtypes.h" +#include "state_tracker/st_context.h" +#include "state_tracker/st_public.h" +#include "pipe/p_thread.h" -typedef struct xmesa_context *XMesaContext; -typedef struct xmesa_visual *XMesaVisual; +# include <X11/Xlib.h> +# include <X11/Xlibint.h> +# include <X11/Xutil.h> +# ifdef USE_XSHM /* was SHM */ +# include <sys/ipc.h> +# include <sys/shm.h> +# include <X11/extensions/XShm.h> +# endif typedef struct xmesa_buffer *XMesaBuffer; +typedef struct xmesa_context *XMesaContext; +typedef struct xmesa_visual *XMesaVisual; -/* Every user of this file also includes xmesaP.h - */ -#include "xmesaP.h" /* @@ -263,4 +264,130 @@ XMesaCreatePixmapTextureBuffer(XMesaVisual v, Pixmap p, +/*********************************************************************** + */ + +extern pipe_mutex _xmesa_lock; + +extern struct xmesa_buffer *XMesaBufferList; + + +/** + * Visual inforation, derived from GLvisual. + * Basically corresponds to an XVisualInfo. + */ +struct xmesa_visual { + GLvisual mesa_visual; /* Device independent visual parameters */ + Display *display; /* The X11 display */ + XVisualInfo * visinfo; /* X's visual info (pointer to private copy) */ + XVisualInfo *vishandle; /* Only used in fakeglx.c */ + GLint BitsPerPixel; /* True bits per pixel for XImages */ + + GLboolean ximage_flag; /* Use XImage for back buffer (not pixmap)? */ +}; + + +/** + * Context info, derived from st_context. + * Basically corresponds to a GLXContext. + */ +struct xmesa_context { + struct st_context *st; + XMesaVisual xm_visual; /** pixel format info */ + XMesaBuffer xm_buffer; /** current drawbuffer */ +}; + + +/** + * Types of X/GLX drawables we might render into. + */ +typedef enum { + WINDOW, /* An X window */ + GLXWINDOW, /* GLX window */ + PIXMAP, /* GLX pixmap */ + PBUFFER /* GLX Pbuffer */ +} BufferType; + + +/** + * Framebuffer information, derived from. + * Basically corresponds to a GLXDrawable. + */ +struct xmesa_buffer { + struct st_framebuffer *stfb; + + GLboolean wasCurrent; /* was ever the current buffer? */ + XMesaVisual xm_visual; /* the X/Mesa visual */ + Drawable drawable; /* Usually the X window ID */ + Colormap cmap; /* the X colormap */ + BufferType type; /* window, pixmap, pbuffer or glxwindow */ + + XImage *tempImage; + unsigned long selectedEvents;/* for pbuffers only */ + + GLuint shm; /* X Shared Memory extension status: */ + /* 0 = not available */ + /* 1 = XImage support available */ + /* 2 = Pixmap support available too */ +#if defined(USE_XSHM) + XShmSegmentInfo shminfo; +#endif + + GC gc; /* scratch GC for span, line, tri drawing */ + + /* GLX_EXT_texture_from_pixmap */ + GLint TextureTarget; /** GLX_TEXTURE_1D_EXT, for example */ + GLint TextureFormat; /** GLX_TEXTURE_FORMAT_RGB_EXT, for example */ + GLint TextureMipmap; /** 0 or 1 */ + + struct xmesa_buffer *Next; /* Linked list pointer: */ +}; + + + +/** cast wrapper */ +static INLINE XMesaContext +xmesa_context(GLcontext *ctx) +{ + return (XMesaContext) ctx->DriverCtx; +} + + +/** cast wrapper */ +static INLINE XMesaBuffer +xmesa_buffer(GLframebuffer *fb) +{ + struct st_framebuffer *stfb = (struct st_framebuffer *) fb; + return (XMesaBuffer) st_framebuffer_private(stfb); +} + + +extern void +xmesa_delete_framebuffer(struct gl_framebuffer *fb); + +extern XMesaBuffer +xmesa_find_buffer(Display *dpy, Colormap cmap, XMesaBuffer notThis); + +extern void +xmesa_check_and_update_buffer_size(XMesaContext xmctx, XMesaBuffer drawBuffer); + +extern void +xmesa_destroy_buffers_on_display(Display *dpy); + +static INLINE GLuint +xmesa_buffer_width(XMesaBuffer b) +{ + return b->stfb->Base.Width; +} + +static INLINE GLuint +xmesa_buffer_height(XMesaBuffer b) +{ + return b->stfb->Base.Height; +} + +extern int +xmesa_check_for_xshm(Display *display); + + #endif |