From: Benjamin Franzke Date: Sat, 23 Apr 2011 12:14:29 +0000 (+0200) Subject: winsys: Add wayland shm sw winsys X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=aaa3c0d6de7fc2c8d209d3adba11eba1133c61d1;p=mesa.git winsys: Add wayland shm sw winsys --- diff --git a/configure.ac b/configure.ac index 1012ca56f4c..3b05ca35380 100644 --- a/configure.ac +++ b/configure.ac @@ -1636,6 +1636,7 @@ yes) PKG_CHECK_MODULES([WAYLAND], [wayland-client wayland-server],, \ [AC_MSG_ERROR([cannot find libwayland-client])]) WAYLAND_EGL_LIB_DEPS="$WAYLAND_LIBS $LIBDRM_LIBS" + GALLIUM_WINSYS_DIRS="$GALLIUM_WINSYS_DIRS sw/wayland" fi done EGL_PLATFORMS="$egl_platforms" diff --git a/src/gallium/winsys/sw/Makefile b/src/gallium/winsys/sw/Makefile index 094e811d57d..2fad717eb16 100644 --- a/src/gallium/winsys/sw/Makefile +++ b/src/gallium/winsys/sw/Makefile @@ -14,6 +14,10 @@ ifneq ($(findstring fbdev, $(EGL_PLATFORMS)),) SUBDIRS += fbdev endif +ifneq ($(findstring wayland, $(EGL_PLATFORMS)),) +SUBDIRS += wayland +endif + default install clean: @for dir in $(SUBDIRS) ; do \ if [ -d $$dir ] ; then \ diff --git a/src/gallium/winsys/sw/wayland/Makefile b/src/gallium/winsys/sw/wayland/Makefile new file mode 100644 index 00000000000..561fcabcfb5 --- /dev/null +++ b/src/gallium/winsys/sw/wayland/Makefile @@ -0,0 +1,13 @@ +TOP = ../../../../.. +include $(TOP)/configs/current + +LIBNAME = ws_wayland + +LIBRARY_INCLUDES = $(WALAND_CFLAGS) + +LIBRARY_DEFINES = + +C_SOURCES = \ + wayland_sw_winsys.c + +include ../../../Makefile.template diff --git a/src/gallium/winsys/sw/wayland/wayland_sw_winsys.c b/src/gallium/winsys/sw/wayland/wayland_sw_winsys.c new file mode 100644 index 00000000000..1a31ada0296 --- /dev/null +++ b/src/gallium/winsys/sw/wayland/wayland_sw_winsys.c @@ -0,0 +1,285 @@ +/* + * Mesa 3-D graphics library + * Version: 7.11 + * + * Copyright (C) 2011 Benjamin Franzke + * + * 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 and this permission notice 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 + * THE AUTHORS OR COPYRIGHT HOLDERS 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. + */ + +#include +#include +#include +#include + +#include "pipe/p_compiler.h" +#include "pipe/p_defines.h" +#include "pipe/p_state.h" +#include "util/u_format.h" +#include "util/u_math.h" +#include "util/u_memory.h" +#include "state_tracker/sw_winsys.h" + +#include +#include "wayland_sw_winsys.h" + +struct wayland_sw_displaytarget +{ + int fd; + unsigned size; + + unsigned width; + unsigned height; + unsigned stride; + + enum pipe_format format; + + void *map; + unsigned map_count; +}; + +struct wayland_sw_winsys +{ + struct sw_winsys base; + + struct wl_display *display; +}; + +static INLINE struct wayland_sw_displaytarget * +wayland_sw_displaytarget(struct sw_displaytarget *dt) +{ + return (struct wayland_sw_displaytarget *) dt; +} + +static INLINE struct wayland_sw_winsys * +wayland_sw_winsys(struct sw_winsys *ws) +{ + return (struct wayland_sw_winsys *) ws; +} + +static void +wayland_displaytarget_display(struct sw_winsys *ws, + struct sw_displaytarget *dt, + void *context_private) +{ +} + +static void +wayland_displaytarget_unmap(struct sw_winsys *ws, + struct sw_displaytarget *dt) +{ + struct wayland_sw_displaytarget *wldt = wayland_sw_displaytarget(dt); + + wldt->map_count--; + if (wldt->map_count > 0) + return; + + munmap(wldt->map, wldt->size); + wldt->map = NULL; +} + +static void * +wayland_displaytarget_map(struct sw_winsys *ws, + struct sw_displaytarget *dt, + unsigned flags) +{ + struct wayland_sw_displaytarget *wldt = wayland_sw_displaytarget(dt); + uint mmap_flags = 0; + + if (wldt->map) { + wldt->map_count++; + return wldt->map; + } + + if (flags & PIPE_TRANSFER_READ) + mmap_flags |= PROT_READ; + if (flags & PIPE_TRANSFER_WRITE) + mmap_flags |= PROT_WRITE; + + wldt->map = mmap(NULL, wldt->size, mmap_flags, + MAP_SHARED, wldt->fd, 0); + + if (wldt->map == MAP_FAILED) + return NULL; + + wldt->map_count = 1; + + return wldt->map; +} + +static void +wayland_displaytarget_destroy(struct sw_winsys *ws, + struct sw_displaytarget *dt) +{ + struct wayland_sw_displaytarget *wldt = wayland_sw_displaytarget(dt); + + if (wldt->map) + wayland_displaytarget_unmap(ws, dt); + + FREE(wldt); +} + +static boolean +wayland_is_displaytarget_format_supported(struct sw_winsys *ws, + unsigned tex_usage, + enum pipe_format format) +{ + switch (format) { + case PIPE_FORMAT_B8G8R8X8_UNORM: + case PIPE_FORMAT_B8G8R8A8_UNORM: + return TRUE; + default: + return FALSE; + } +} + +static struct sw_displaytarget * +wayland_displaytarget_create(struct sw_winsys *ws, + unsigned tex_usage, + enum pipe_format format, + unsigned width, unsigned height, + unsigned alignment, + unsigned *stride) +{ + struct wayland_sw_displaytarget *wldt; + unsigned nblocksy, format_stride; + char filename[] = "/tmp/wayland-shm-XXXXXX"; + + if (!wayland_is_displaytarget_format_supported(ws, tex_usage, format)) + return NULL; + + wldt = CALLOC_STRUCT(wayland_sw_displaytarget); + if (!wldt) + return NULL; + + wldt->map = NULL; + + wldt->format = format; + wldt->width = width; + wldt->height = height; + + format_stride = util_format_get_stride(format, width); + wldt->stride = align(format_stride, alignment); + + nblocksy = util_format_get_nblocksy(format, height); + wldt->size = wldt->stride * nblocksy; + + wldt->fd = mkstemp(filename); + if (wldt->fd < 0) { + FREE(wldt); + return NULL; + } + + if (ftruncate(wldt->fd, wldt->size) < 0) { + unlink(filename); + close(wldt->fd); + FREE(wldt); + return NULL; + } + + unlink(filename); + + *stride = wldt->stride; + + return (struct sw_displaytarget *) wldt; +} + +static struct sw_displaytarget * +wayland_displaytarget_from_handle(struct sw_winsys *ws, + const struct pipe_resource *templet, + struct winsys_handle *whandle, + unsigned *stride) +{ + struct wayland_sw_displaytarget *wldt; + unsigned nblocksy; + + if (!wayland_is_displaytarget_format_supported(ws, 0, templet->format)) + return NULL; + + wldt = CALLOC_STRUCT(wayland_sw_displaytarget); + if (!wldt) + return NULL; + + wldt->fd = whandle->fd; + wldt->stride = whandle->stride; + wldt->width = templet->width0; + wldt->height = templet->height0; + wldt->format = templet->format; + + nblocksy = util_format_get_nblocksy(wldt->format, wldt->height); + + wldt->size = wldt->stride * nblocksy; + + wldt->map = NULL; + + *stride = wldt->stride; + + return (struct sw_displaytarget *) wldt; +} + + +static boolean +wayland_displaytarget_get_handle(struct sw_winsys *ws, + struct sw_displaytarget *dt, + struct winsys_handle *whandle) +{ + struct wayland_sw_displaytarget *wldt = wayland_sw_displaytarget(dt); + + whandle->fd = wldt->fd; + whandle->stride = wldt->stride; + + return TRUE; +} + +static void +wayland_destroy(struct sw_winsys *ws) +{ + struct wayland_sw_winsys *wayland = wayland_sw_winsys(ws); + + FREE(wayland); +} + +struct sw_winsys * +wayland_create_sw_winsys(struct wl_display *display) +{ + struct wayland_sw_winsys *wlws; + + wlws = CALLOC_STRUCT(wayland_sw_winsys); + if (!wlws) + return NULL; + + wlws->display = display; + + wlws->base.destroy = wayland_destroy; + wlws->base.is_displaytarget_format_supported = + wayland_is_displaytarget_format_supported; + + wlws->base.displaytarget_create = wayland_displaytarget_create; + wlws->base.displaytarget_from_handle = wayland_displaytarget_from_handle; + wlws->base.displaytarget_get_handle = wayland_displaytarget_get_handle; + wlws->base.displaytarget_destroy = wayland_displaytarget_destroy; + wlws->base.displaytarget_map = wayland_displaytarget_map; + wlws->base.displaytarget_unmap = wayland_displaytarget_unmap; + + wlws->base.displaytarget_display = wayland_displaytarget_display; + + return &wlws->base; +} + +/* vim: set sw=3 ts=8 sts=3 expandtab: */ diff --git a/src/gallium/winsys/sw/wayland/wayland_sw_winsys.h b/src/gallium/winsys/sw/wayland/wayland_sw_winsys.h new file mode 100644 index 00000000000..5e3cfd0bf23 --- /dev/null +++ b/src/gallium/winsys/sw/wayland/wayland_sw_winsys.h @@ -0,0 +1,41 @@ +/* + * Mesa 3-D graphics library + * Version: 7.11 + * + * Copyright (C) 2011 Benjamin Franzke + * + * 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 and this permission notice 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 + * THE AUTHORS OR COPYRIGHT HOLDERS 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 WAYLAND_SW_WINSYS +#define WAYLAND_SW_WINSYS + +struct sw_winsys; + +struct winsys_handle { + int fd; + unsigned stride; +}; + +struct sw_winsys * +wayland_create_sw_winsys(struct wl_display *display); + +#endif /* WAYLAND_SW_WINSYS */ + +/* vim: set sw=3 ts=8 sts=3 expandtab: */