diff options
Diffstat (limited to 'src/gallium/drivers/nv20/nv20_surface.c')
-rw-r--r-- | src/gallium/drivers/nv20/nv20_surface.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/src/gallium/drivers/nv20/nv20_surface.c b/src/gallium/drivers/nv20/nv20_surface.c new file mode 100644 index 00000000000..6cd607583cf --- /dev/null +++ b/src/gallium/drivers/nv20/nv20_surface.c @@ -0,0 +1,72 @@ + +/************************************************************************** + * + * Copyright 2003 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. + * + **************************************************************************/ + +#include "nv20_context.h" +#include "pipe/p_defines.h" +#include "pipe/internal/p_winsys_screen.h" +#include "pipe/p_inlines.h" +#include "util/u_tile.h" + +static void +nv20_surface_copy(struct pipe_context *pipe, boolean do_flip, + struct pipe_surface *dest, unsigned destx, unsigned desty, + struct pipe_surface *src, unsigned srcx, unsigned srcy, + unsigned width, unsigned height) +{ + struct nv20_context *nv20 = nv20_context(pipe); + struct nv04_surface_2d *eng2d = nv20->screen->eng2d; + + if (do_flip) { + desty += height; + while (height--) { + eng2d->copy(eng2d, dest, destx, desty--, src, + srcx, srcy++, width, 1); + } + return; + } + + eng2d->copy(eng2d, dest, destx, desty, src, srcx, srcy, width, height); +} + +static void +nv20_surface_fill(struct pipe_context *pipe, struct pipe_surface *dest, + unsigned destx, unsigned desty, unsigned width, + unsigned height, unsigned value) +{ + struct nv20_context *nv20 = nv20_context(pipe); + struct nv04_surface_2d *eng2d = nv20->screen->eng2d; + + eng2d->fill(eng2d, dest, destx, desty, width, height, value); +} + +void +nv20_init_surface_functions(struct nv20_context *nv20) +{ + nv20->pipe.surface_copy = nv20_surface_copy; + nv20->pipe.surface_fill = nv20_surface_fill; +} |