diff options
Diffstat (limited to 'src/gallium/targets/dri-swrast/swrast_drm_api.c')
-rw-r--r-- | src/gallium/targets/dri-swrast/swrast_drm_api.c | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/src/gallium/targets/dri-swrast/swrast_drm_api.c b/src/gallium/targets/dri-swrast/swrast_drm_api.c new file mode 100644 index 0000000000..1fdfcccf88 --- /dev/null +++ b/src/gallium/targets/dri-swrast/swrast_drm_api.c @@ -0,0 +1,150 @@ +/************************************************************************** + * + * Copyright 2009, VMware, Inc. + * All Rights Reserved. + * Copyright 2010 George Sapountzis <gsapountzis@gmail.com> + * + * 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 VMWARE 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. + * + **************************************************************************/ + +#include "pipe/p_compiler.h" +#include "util/u_memory.h" +#include "state_tracker/drm_api.h" +#include "state_tracker/sw_winsys.h" +#include "dri_sw_winsys.h" + +/* Copied from targets/libgl-xlib. + * + * TODO: + * This function should be put in targets/common or winsys/sw/common and shared + * with targets/libgl-xlib and winsys/sw/drm. + * + * For targets/common, you get layering violations in the build system unless + * all of drm_api's are moved under targets. + */ + +#ifdef GALLIUM_SOFTPIPE +#include "softpipe/sp_public.h" +#endif + +#ifdef GALLIUM_LLVMPIPE +#include "llvmpipe/lp_public.h" +#endif + +#ifdef GALLIUM_CELL +#include "cell/ppu/cell_public.h" +#endif + +static struct pipe_screen * +swrast_create_screen(struct sw_winsys *winsys) +{ + const char *default_driver; + const char *driver; + struct pipe_screen *screen = NULL; + +#if defined(GALLIUM_CELL) + default_driver = "cell"; +#elif defined(GALLIUM_LLVMPIPE) + default_driver = "llvmpipe"; +#elif defined(GALLIUM_SOFTPIPE) + default_driver = "softpipe"; +#else + default_driver = ""; +#endif + + driver = debug_get_option("GALLIUM_DRIVER", default_driver); + +#if defined(GALLIUM_CELL) + if (screen == NULL && strcmp(driver, "cell") == 0) + screen = cell_create_screen( winsys ); +#endif + +#if defined(GALLIUM_LLVMPIPE) + if (screen == NULL && strcmp(driver, "llvmpipe") == 0) + screen = llvmpipe_create_screen( winsys ); +#endif + +#if defined(GALLIUM_SOFTPIPE) + if (screen == NULL) + screen = softpipe_create_screen( winsys ); +#endif + + return screen; +} + +static struct pipe_screen * +swrast_drm_create_screen(struct drm_api *api, + int drmFD, + struct drm_create_screen_arg *arg) +{ + struct sw_winsys *winsys = NULL; + struct pipe_screen *screen = NULL; + + (void) drmFD; + + if (arg != NULL) { + switch(arg->mode) { + case DRM_CREATE_DRISW: + break; + default: + return NULL; + } + } + + winsys = dri_create_sw_winsys(); + if (winsys == NULL) + return NULL; + + screen = swrast_create_screen(winsys); + if (!screen) + goto fail; + + return screen; + +fail: + if (winsys) + winsys->destroy(winsys); + + return NULL; +} + +static void +swrast_drm_api_destroy(struct drm_api *api) +{ + return; +} + +static struct drm_api swrast_drm_api = +{ + .name = "swrast", + .driver_name = "swrast", + .create_screen = swrast_drm_create_screen, + .destroy = swrast_drm_api_destroy, +}; + +struct drm_api * +drm_api_create() +{ + return &swrast_drm_api; +} + +/* vim: set sw=3 ts=8 sts=3 expandtab: */ |