diff options
Diffstat (limited to 'src/gallium/state_trackers')
| -rw-r--r-- | src/gallium/state_trackers/egl/common/egl_g3d.c | 15 | ||||
| -rw-r--r-- | src/gallium/state_trackers/egl/common/native.h | 3 | ||||
| -rw-r--r-- | src/gallium/state_trackers/egl/x11/native_x11.c | 13 | ||||
| -rw-r--r-- | src/gallium/state_trackers/egl/x11/native_x11.h | 2 | ||||
| -rw-r--r-- | src/gallium/state_trackers/egl/x11/native_ximage.c | 192 | ||||
| -rw-r--r-- | src/gallium/state_trackers/egl/x11/sw_winsys.c | 231 | ||||
| -rw-r--r-- | src/gallium/state_trackers/egl/x11/sw_winsys.h | 40 |
7 files changed, 45 insertions, 451 deletions
diff --git a/src/gallium/state_trackers/egl/common/egl_g3d.c b/src/gallium/state_trackers/egl/common/egl_g3d.c index 04268c71c5a..2f7a8a8f7eb 100644 --- a/src/gallium/state_trackers/egl/common/egl_g3d.c +++ b/src/gallium/state_trackers/egl/common/egl_g3d.c @@ -508,20 +508,6 @@ egl_g3d_add_configs(_EGLDriver *drv, _EGLDisplay *dpy, EGLint id) } /** - * Flush the front buffer of the context's draw surface. - */ -static void -egl_g3d_flush_frontbuffer(struct pipe_screen *screen, - struct pipe_surface *surf, void *context_private) -{ - struct egl_g3d_context *gctx = egl_g3d_context(context_private); - struct egl_g3d_surface *gsurf = egl_g3d_surface(gctx->base.DrawSurface); - - if (gsurf) - gsurf->native->flush_frontbuffer(gsurf->native); -} - -/** * Re-validate the context. */ static void @@ -581,7 +567,6 @@ egl_g3d_initialize(_EGLDriver *drv, _EGLDisplay *dpy, goto fail; } - gdpy->native->screen->flush_frontbuffer = egl_g3d_flush_frontbuffer; gdpy->native->screen->update_buffer = egl_g3d_update_buffer; egl_g3d_init_st(&gdrv->base); diff --git a/src/gallium/state_trackers/egl/common/native.h b/src/gallium/state_trackers/egl/common/native.h index 4f9758545ab..4c9217e1a5b 100644 --- a/src/gallium/state_trackers/egl/common/native.h +++ b/src/gallium/state_trackers/egl/common/native.h @@ -137,9 +137,6 @@ struct native_display_modeset; struct native_display { /** * The pipe screen of the native display. - * - * Note that the "flush_frontbuffer" and "update_buffer" callbacks will be - * overridden. */ struct pipe_screen *screen; diff --git a/src/gallium/state_trackers/egl/x11/native_x11.c b/src/gallium/state_trackers/egl/x11/native_x11.c index 3add95d0aca..ef7490503b0 100644 --- a/src/gallium/state_trackers/egl/x11/native_x11.c +++ b/src/gallium/state_trackers/egl/x11/native_x11.c @@ -141,16 +141,9 @@ native_create_display(EGLNativeDisplayType dpy) if (!ndpy) { EGLint level = (force_sw) ? _EGL_INFO : _EGL_WARNING; - boolean use_shm; - - /* - * XXX st/mesa calls pipe_screen::update_buffer in st_validate_state. - * When SHM is used, there is a good chance that the shared memory - * segment is detached before the softpipe tile cache is flushed. - */ - use_shm = FALSE; - _eglLog(level, "use software%s fallback", (use_shm) ? " (SHM)" : ""); - ndpy = x11_create_ximage_display(dpy, use_shm); + + _eglLog(level, "use software fallback"); + ndpy = x11_create_ximage_display(dpy); } return ndpy; diff --git a/src/gallium/state_trackers/egl/x11/native_x11.h b/src/gallium/state_trackers/egl/x11/native_x11.h index 622ddac5df6..2e71de1885b 100644 --- a/src/gallium/state_trackers/egl/x11/native_x11.h +++ b/src/gallium/state_trackers/egl/x11/native_x11.h @@ -29,7 +29,7 @@ #include "common/native.h" struct native_display * -x11_create_ximage_display(EGLNativeDisplayType dpy, boolean use_xshm); +x11_create_ximage_display(EGLNativeDisplayType dpy); struct native_display * x11_create_dri2_display(EGLNativeDisplayType dpy, struct drm_api *api); diff --git a/src/gallium/state_trackers/egl/x11/native_ximage.c b/src/gallium/state_trackers/egl/x11/native_ximage.c index a8633b1501e..6c6ba24e7b3 100644 --- a/src/gallium/state_trackers/egl/x11/native_ximage.c +++ b/src/gallium/state_trackers/egl/x11/native_ximage.c @@ -28,17 +28,15 @@ #include <sys/shm.h> #include <X11/Xlib.h> #include <X11/Xutil.h> -#include <X11/extensions/XShm.h> #include "util/u_memory.h" #include "util/u_math.h" #include "util/u_format.h" #include "pipe/p_compiler.h" #include "util/u_simple_screen.h" #include "util/u_inlines.h" -#include "softpipe/sp_winsys.h" +#include "state_tracker/xlib_sw_winsys.h" #include "egllog.h" -#include "sw_winsys.h" #include "native_x11.h" #include "x11_screen.h" @@ -56,19 +54,15 @@ struct ximage_display { struct x11_screen *xscr; int xscr_number; - boolean use_xshm; + struct xm_driver *driver; - struct pipe_winsys *winsys; struct ximage_config *configs; int num_configs; }; struct ximage_buffer { - XImage *ximage; - struct pipe_texture *texture; - XShmSegmentInfo *shm_info; - boolean xshm_attached; + struct xlib_drawable xdraw; }; struct ximage_surface { @@ -119,18 +113,6 @@ ximage_surface_free_buffer(struct native_surface *nsurf, struct ximage_buffer *xbuf = &xsurf->buffers[which]; pipe_texture_reference(&xbuf->texture, NULL); - - if (xbuf->shm_info) { - if (xbuf->xshm_attached) - XShmDetach(xsurf->xdpy->dpy, xbuf->shm_info); - if (xbuf->shm_info->shmaddr != (void *) -1) - shmdt(xbuf->shm_info->shmaddr); - if (xbuf->shm_info->shmid != -1) - shmctl(xbuf->shm_info->shmid, IPC_RMID, 0); - - xbuf->shm_info->shmaddr = (void *) -1; - xbuf->shm_info->shmid = -1; - } } static boolean @@ -154,40 +136,26 @@ ximage_surface_alloc_buffer(struct native_surface *nsurf, templ.depth0 = 1; templ.tex_usage = PIPE_TEXTURE_USAGE_RENDER_TARGET; - if (xbuf->shm_info) { - struct pipe_buffer *pbuf; - unsigned stride, size; - void *addr = NULL; - - stride = util_format_get_stride(xsurf->color_format, xsurf->width); - /* alignment should depend on visual? */ - stride = align(stride, 4); - size = stride * xsurf->height; - - /* create and attach shm object */ - xbuf->shm_info->shmid = shmget(IPC_PRIVATE, size, 0755); - if (xbuf->shm_info->shmid != -1) { - xbuf->shm_info->shmaddr = - shmat(xbuf->shm_info->shmid, NULL, 0); - if (xbuf->shm_info->shmaddr != (void *) -1) { - if (XShmAttach(xsurf->xdpy->dpy, xbuf->shm_info)) { - addr = xbuf->shm_info->shmaddr; - xbuf->xshm_attached = TRUE; - } - } - } - - if (addr) { - pbuf = screen->user_buffer_create(screen, addr, size); - if (pbuf) { - xbuf->texture = - screen->texture_blanket(screen, &templ, &stride, pbuf); - pipe_buffer_reference(&pbuf, NULL); - } + if (xsurf->type != XIMAGE_SURFACE_TYPE_PBUFFER) { + switch (which) { + case NATIVE_ATTACHMENT_FRONT_LEFT: + case NATIVE_ATTACHMENT_FRONT_RIGHT: + templ.tex_usage |= PIPE_TEXTURE_USAGE_PRIMARY; + break; + case NATIVE_ATTACHMENT_BACK_LEFT: + case NATIVE_ATTACHMENT_BACK_RIGHT: + templ.tex_usage |= PIPE_TEXTURE_USAGE_DISPLAY_TARGET; + break; + default: + break; } } - else { - xbuf->texture = screen->texture_create(screen, &templ); + xbuf->texture = screen->texture_create(screen, &templ); + if (xbuf->texture) { + xbuf->xdraw.visual = xsurf->visual.visual; + xbuf->xdraw.depth = xsurf->visual.depth; + xbuf->xdraw.drawable = xsurf->drawable; + xbuf->xdraw.gc = xsurf->gc; } /* clean up the buffer if allocation failed */ @@ -257,18 +225,10 @@ ximage_surface_update_buffers(struct native_surface *nsurf, uint buffer_mask) new_valid = 0x0; for (att = 0; att < NUM_NATIVE_ATTACHMENTS; att++) { if (native_attachment_mask_test(buffer_mask, att)) { - struct ximage_buffer *xbuf = &xsurf->buffers[att]; - /* reallocate the texture */ if (!ximage_surface_alloc_buffer(&xsurf->base, att)) break; - /* update ximage */ - if (xbuf->ximage) { - xbuf->ximage->width = xsurf->width; - xbuf->ximage->height = xsurf->height; - } - new_valid |= (1 << att); if (buffer_mask == new_valid) break; @@ -288,43 +248,22 @@ ximage_surface_draw_buffer(struct native_surface *nsurf, struct ximage_surface *xsurf = ximage_surface(nsurf); struct ximage_buffer *xbuf = &xsurf->buffers[which]; struct pipe_screen *screen = xsurf->xdpy->base.screen; - struct pipe_transfer *transfer; + struct pipe_surface *psurf; if (xsurf->type == XIMAGE_SURFACE_TYPE_PBUFFER) return TRUE; - assert(xsurf->drawable && xbuf->ximage && xbuf->texture); + assert(xsurf->drawable && xbuf->texture); - transfer = screen->get_tex_transfer(screen, xbuf->texture, - 0, 0, 0, PIPE_TRANSFER_READ, 0, 0, xsurf->width, xsurf->height); - if (!transfer) + /* what's the cost of surface creation? */ + psurf = screen->get_tex_surface(screen, + xbuf->texture, 0, 0, 0, PIPE_BUFFER_USAGE_CPU_READ); + if (!psurf) return FALSE; - xbuf->ximage->bytes_per_line = transfer->stride; - xbuf->ximage->data = screen->transfer_map(screen, transfer); - if (!xbuf->ximage->data) { - screen->tex_transfer_destroy(transfer); - return FALSE; - } - - - if (xbuf->shm_info) - XShmPutImage(xsurf->xdpy->dpy, xsurf->drawable, xsurf->gc, - xbuf->ximage, 0, 0, 0, 0, xsurf->width, xsurf->height, False); - else - XPutImage(xsurf->xdpy->dpy, xsurf->drawable, xsurf->gc, - xbuf->ximage, 0, 0, 0, 0, xsurf->width, xsurf->height); + screen->flush_frontbuffer(screen, psurf, &xbuf->xdraw); - xbuf->ximage->data = NULL; - screen->transfer_unmap(screen, transfer); - - /* - * softpipe allows the pipe transfer to be re-used, but we don't want to - * rely on that behavior. - */ - screen->tex_transfer_destroy(transfer); - - XSync(xsurf->xdpy->dpy, FALSE); + pipe_surface_reference(&psurf, NULL); return TRUE; } @@ -351,20 +290,20 @@ ximage_surface_swap_buffers(struct native_surface *nsurf) boolean ret; /* display the back buffer first */ - ret = ximage_surface_draw_buffer(nsurf, NATIVE_ATTACHMENT_BACK_LEFT); + ret = ximage_surface_draw_buffer(&xsurf->base, + NATIVE_ATTACHMENT_BACK_LEFT); /* force buffers to be updated in next validation call */ xsurf->server_stamp++; xfront = &xsurf->buffers[NATIVE_ATTACHMENT_FRONT_LEFT]; xback = &xsurf->buffers[NATIVE_ATTACHMENT_BACK_LEFT]; - /* skip swapping so that the front buffer is allocated only when needed */ - if (!xfront->texture) - return ret; - - xtmp = *xfront; - *xfront = *xback; - *xback = xtmp; + /* skip swapping unless there is a front buffer */ + if (xfront->texture) { + xtmp = *xfront; + *xfront = *xback; + *xback = xtmp; + } return ret; } @@ -419,15 +358,8 @@ ximage_surface_destroy(struct native_surface *nsurf) struct ximage_surface *xsurf = ximage_surface(nsurf); int i; - for (i = 0; i < NUM_NATIVE_ATTACHMENTS; i++) { - struct ximage_buffer *xbuf = &xsurf->buffers[i]; + for (i = 0; i < NUM_NATIVE_ATTACHMENTS; i++) ximage_surface_free_buffer(&xsurf->base, i); - /* xbuf->shm_info is owned by xbuf->ximage? */ - if (xbuf->ximage) { - XDestroyImage(xbuf->ximage); - xbuf->ximage = NULL; - } - } if (xsurf->type != XIMAGE_SURFACE_TYPE_PBUFFER) XFreeGC(xsurf->xdpy->dpy, xsurf->gc); @@ -443,7 +375,6 @@ ximage_display_create_surface(struct native_display *ndpy, struct ximage_display *xdpy = ximage_display(ndpy); struct ximage_config *xconf = ximage_config(nconf); struct ximage_surface *xsurf; - int i; xsurf = CALLOC_STRUCT(ximage_surface); if (!xsurf) @@ -466,43 +397,6 @@ ximage_display_create_surface(struct native_display *ndpy, /* initialize the geometry */ ximage_surface_update_buffers(&xsurf->base, 0x0); - - for (i = 0; i < NUM_NATIVE_ATTACHMENTS; i++) { - struct ximage_buffer *xbuf = &xsurf->buffers[i]; - - if (xdpy->use_xshm) { - xbuf->shm_info = calloc(1, sizeof(*xbuf->shm_info)); - if (xbuf->shm_info) { - /* initialize shm info */ - xbuf->shm_info->shmid = -1; - xbuf->shm_info->shmaddr = (void *) -1; - xbuf->shm_info->readOnly = TRUE; - - xbuf->ximage = XShmCreateImage(xsurf->xdpy->dpy, - xsurf->visual.visual, - xsurf->visual.depth, - ZPixmap, NULL, - xbuf->shm_info, - 0, 0); - } - } - else { - xbuf->ximage = XCreateImage(xsurf->xdpy->dpy, - xsurf->visual.visual, - xsurf->visual.depth, - ZPixmap, 0, /* format, offset */ - NULL, /* data */ - 0, 0, /* size */ - 8, /* bitmap_pad */ - 0); /* bytes_per_line */ - } - - if (!xbuf->ximage) { - XFreeGC(xdpy->dpy, xsurf->gc); - free(xsurf); - return NULL; - } - } } xsurf->base.destroy = ximage_surface_destroy; @@ -694,7 +588,6 @@ ximage_display_destroy(struct native_display *ndpy) free(xdpy->configs); xdpy->base.screen->destroy(xdpy->base.screen); - free(xdpy->winsys); x11_screen_destroy(xdpy->xscr); if (xdpy->own_dpy) @@ -703,7 +596,7 @@ ximage_display_destroy(struct native_display *ndpy) } struct native_display * -x11_create_ximage_display(EGLNativeDisplayType dpy, boolean use_xshm) +x11_create_ximage_display(EGLNativeDisplayType dpy) { struct ximage_display *xdpy; @@ -728,11 +621,8 @@ x11_create_ximage_display(EGLNativeDisplayType dpy, boolean use_xshm) return NULL; } - xdpy->use_xshm = - (use_xshm && x11_screen_support(xdpy->xscr, X11_SCREEN_EXTENSION_XSHM)); - - xdpy->winsys = create_sw_winsys(); - xdpy->base.screen = softpipe_create_screen(xdpy->winsys); + xdpy->driver = xlib_sw_winsys_init(); + xdpy->base.screen = xdpy->driver->create_pipe_screen(xdpy->dpy); xdpy->base.destroy = ximage_display_destroy; diff --git a/src/gallium/state_trackers/egl/x11/sw_winsys.c b/src/gallium/state_trackers/egl/x11/sw_winsys.c deleted file mode 100644 index 33328aadf26..00000000000 --- a/src/gallium/state_trackers/egl/x11/sw_winsys.c +++ /dev/null @@ -1,231 +0,0 @@ -/************************************************************************** - * - * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. - * 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, sub license, 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 and this permission notice (including the - * next paragraph) 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 NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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. - * - **************************************************************************/ - -/** - * Totally software-based winsys layer. - * Note that the one winsys function that we can't implement here - * is flush_frontbuffer(). - * Whoever uses this code will have to provide that. - * - * Authors: Brian Paul - */ - - -#include "util/u_simple_screen.h" -#include "pipe/p_state.h" -#include "util/u_inlines.h" -#include "util/u_format.h" -#include "util/u_math.h" -#include "util/u_memory.h" - -#include "sw_winsys.h" - - - -/** Subclass of pipe_winsys */ -struct sw_pipe_winsys -{ - struct pipe_winsys Base; - /* no extra fields for now */ -}; - - -/** subclass of pipe_buffer */ -struct sw_pipe_buffer -{ - struct pipe_buffer Base; - boolean UserBuffer; /** Is this a user-space buffer? */ - void *Data; - void *Mapped; -}; - - -/** cast wrapper */ -static INLINE struct sw_pipe_buffer * -sw_pipe_buffer(struct pipe_buffer *b) -{ - return (struct sw_pipe_buffer *) b; -} - - -static const char * -get_name(struct pipe_winsys *pws) -{ - return "software"; -} - - -/** Create new pipe_buffer and allocate storage of given size */ -static struct pipe_buffer * -buffer_create(struct pipe_winsys *pws, - unsigned alignment, - unsigned usage, - unsigned size) -{ - struct sw_pipe_buffer *buffer = CALLOC_STRUCT(sw_pipe_buffer); - if (!buffer) - return NULL; - - pipe_reference_init(&buffer->Base.reference, 1); - buffer->Base.alignment = alignment; - buffer->Base.usage = usage; - buffer->Base.size = size; - - /* align to 16-byte multiple for Cell */ - buffer->Data = align_malloc(size, MAX2(alignment, 16)); - - return &buffer->Base; -} - - -/** - * Create buffer which wraps user-space data. - */ -static struct pipe_buffer * -user_buffer_create(struct pipe_winsys *pws, void *ptr, unsigned bytes) -{ - struct sw_pipe_buffer *buffer = CALLOC_STRUCT(sw_pipe_buffer); - if (!buffer) - return NULL; - - pipe_reference_init(&buffer->Base.reference, 1); - buffer->Base.size = bytes; - buffer->UserBuffer = TRUE; - buffer->Data = ptr; - - return &buffer->Base; -} - - -static void * -buffer_map(struct pipe_winsys *pws, struct pipe_buffer *buf, unsigned flags) -{ - struct sw_pipe_buffer *buffer = sw_pipe_buffer(buf); - buffer->Mapped = buffer->Data; - return buffer->Mapped; -} - - -static void -buffer_unmap(struct pipe_winsys *pws, struct pipe_buffer *buf) -{ - struct sw_pipe_buffer *buffer = sw_pipe_buffer(buf); - buffer->Mapped = NULL; -} - - -static void -buffer_destroy(struct pipe_buffer *buf) -{ - struct sw_pipe_buffer *buffer = sw_pipe_buffer(buf); - - if (buffer->Data && !buffer->UserBuffer) { - align_free(buffer->Data); - buffer->Data = NULL; - } - - free(buffer); -} - - -static struct pipe_buffer * -surface_buffer_create(struct pipe_winsys *winsys, - unsigned width, unsigned height, - enum pipe_format format, - unsigned usage, - unsigned tex_usage, - unsigned *stride) -{ - const unsigned alignment = 64; - unsigned nblocksy; - - nblocksy = util_format_get_nblocksy(format, height); - *stride = align(util_format_get_stride(format, width), alignment); - - return winsys->buffer_create(winsys, alignment, - usage, - *stride * nblocksy); -} - - -static void -fence_reference(struct pipe_winsys *sws, struct pipe_fence_handle **ptr, - struct pipe_fence_handle *fence) -{ - /* no-op */ -} - - -static int -fence_signalled(struct pipe_winsys *sws, struct pipe_fence_handle *fence, - unsigned flag) -{ - /* no-op */ - return 0; -} - - -static int -fence_finish(struct pipe_winsys *sws, struct pipe_fence_handle *fence, - unsigned flag) -{ - /* no-op */ - return 0; -} - - -/** - * Create/return a new pipe_winsys object. - */ -struct pipe_winsys * -create_sw_winsys(void) -{ - struct sw_pipe_winsys *ws = CALLOC_STRUCT(sw_pipe_winsys); - if (!ws) - return NULL; - - /* Fill in this struct with callbacks that pipe will need to - * communicate with the window system, buffer manager, etc. - */ - ws->Base.buffer_create = buffer_create; - ws->Base.user_buffer_create = user_buffer_create; - ws->Base.buffer_map = buffer_map; - ws->Base.buffer_unmap = buffer_unmap; - ws->Base.buffer_destroy = buffer_destroy; - - ws->Base.surface_buffer_create = surface_buffer_create; - - ws->Base.fence_reference = fence_reference; - ws->Base.fence_signalled = fence_signalled; - ws->Base.fence_finish = fence_finish; - - ws->Base.flush_frontbuffer = NULL; /* not implemented here! */ - - ws->Base.get_name = get_name; - - return &ws->Base; -} diff --git a/src/gallium/state_trackers/egl/x11/sw_winsys.h b/src/gallium/state_trackers/egl/x11/sw_winsys.h deleted file mode 100644 index f96c5a14b0a..00000000000 --- a/src/gallium/state_trackers/egl/x11/sw_winsys.h +++ /dev/null @@ -1,40 +0,0 @@ -/************************************************************************** - * - * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. - * 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, sub license, 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 and this permission notice (including the - * next paragraph) 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 NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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. - * - **************************************************************************/ - - -#ifndef SW_WINSYS_H -#define SW_WINSYS_H - - -struct pipe_winsys; - - -extern struct pipe_winsys * -create_sw_winsys(void); - - -#endif /* SW_WINSYS_H */ |