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/**************************************************************************
*
* 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 "pipe/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, 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;
}
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