diff options
Diffstat (limited to 'src/gallium/drivers/nv40/nv40_surface.c')
| -rw-r--r-- | src/gallium/drivers/nv40/nv40_surface.c | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/src/gallium/drivers/nv40/nv40_surface.c b/src/gallium/drivers/nv40/nv40_surface.c new file mode 100644 index 0000000000..9726ab4e4d --- /dev/null +++ b/src/gallium/drivers/nv40/nv40_surface.c @@ -0,0 +1,137 @@ + +/************************************************************************** + * + * 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 "nv40_context.h" +#include "pipe/p_defines.h" +#include "pipe/p_util.h" +#include "pipe/p_winsys.h" +#include "pipe/p_inlines.h" +#include "util/p_tile.h" + +static boolean +nv40_surface_format_supported(struct pipe_context *pipe, + enum pipe_format format, uint type) +{ + switch (type) { + case PIPE_SURFACE: + switch (format) { + case PIPE_FORMAT_A8R8G8B8_UNORM: + case PIPE_FORMAT_R5G6B5_UNORM: + case PIPE_FORMAT_Z24S8_UNORM: + case PIPE_FORMAT_Z16_UNORM: + return TRUE; + default: + break; + } + break; + case PIPE_TEXTURE: + switch (format) { + case PIPE_FORMAT_A8R8G8B8_UNORM: + case PIPE_FORMAT_A1R5G5B5_UNORM: + case PIPE_FORMAT_A4R4G4B4_UNORM: + case PIPE_FORMAT_R5G6B5_UNORM: + case PIPE_FORMAT_U_L8: + case PIPE_FORMAT_U_A8: + case PIPE_FORMAT_U_I8: + case PIPE_FORMAT_U_A8_L8: + case PIPE_FORMAT_Z16_UNORM: + case PIPE_FORMAT_Z24S8_UNORM: + return TRUE; + default: + break; + } + break; + default: + assert(0); + }; + + return FALSE; +} + +static struct pipe_surface * +nv40_get_tex_surface(struct pipe_context *pipe, struct pipe_texture *pt, + unsigned face, unsigned level, unsigned zslice) +{ + struct pipe_winsys *ws = pipe->winsys; + struct nv40_miptree *nv40mt = (struct nv40_miptree *)pt; + struct pipe_surface *ps; + + ps = ws->surface_alloc(ws); + if (!ps) + return NULL; + pipe_buffer_reference(ws, &ps->buffer, nv40mt->buffer); + ps->format = pt->format; + ps->cpp = pt->cpp; + ps->width = pt->width[level]; + ps->height = pt->height[level]; + ps->pitch = nv40mt->level[level].pitch / ps->cpp; + + if (pt->target == PIPE_TEXTURE_CUBE) { + ps->offset = nv40mt->level[level].image_offset[face]; + } else + if (pt->target == PIPE_TEXTURE_3D) { + ps->offset = nv40mt->level[level].image_offset[zslice]; + } else { + ps->offset = nv40mt->level[level].image_offset[0]; + } + + return ps; +} + +static void +nv40_surface_copy(struct pipe_context *pipe, unsigned do_flip, + struct pipe_surface *dest, unsigned destx, unsigned desty, + struct pipe_surface *src, unsigned srcx, unsigned srcy, + unsigned width, unsigned height) +{ + struct nv40_context *nv40 = nv40_context(pipe); + struct nouveau_winsys *nvws = nv40->nvws; + + nvws->surface_copy(nvws, dest, destx, desty, src, srcx, srcy, + width, height); +} + +static void +nv40_surface_fill(struct pipe_context *pipe, struct pipe_surface *dest, + unsigned destx, unsigned desty, unsigned width, + unsigned height, unsigned value) +{ + struct nv40_context *nv40 = nv40_context(pipe); + struct nouveau_winsys *nvws = nv40->nvws; + + nvws->surface_fill(nvws, dest, destx, desty, width, height, value); +} + +void +nv40_init_surface_functions(struct nv40_context *nv40) +{ + nv40->pipe.is_format_supported = nv40_surface_format_supported; + nv40->pipe.get_tex_surface = nv40_get_tex_surface; + nv40->pipe.surface_copy = nv40_surface_copy; + nv40->pipe.surface_fill = nv40_surface_fill; +} |