src/gallium/drivers/nvfx/nvfx_surface.c

   1
   2 /**************************************************************************
   3  *
   4  * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
   5  * All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the
   9  * "Software"), to deal in the Software without restriction, including
  10  * without limitation the rights to use, copy, modify, merge, publish,
  11  * distribute, sub license, and/or sell copies of the Software, and to
  12  * permit persons to whom the Software is furnished to do so, subject to
  13  * the following conditions:
  14  *
  15  * The above copyright notice and this permission notice (including the
  16  * next paragraph) shall be included in all copies or substantial portions
  17  * of the Software.
  18  *
  19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  20  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  21  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  22  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  23  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  24  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  25  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  26  *
  27  **************************************************************************/
  28
  29 #include "nvfx_context.h"
  30 #include "nvfx_resource.h"
  31 #include "pipe/p_defines.h"
  32 #include "util/u_inlines.h"
  33 #include "util/u_pack_color.h"
  34
  35 static void
  36 nvfx_surface_copy(struct pipe_context *pipe,
  37                   struct pipe_resource *dest, struct pipe_subresource subdst,
  38                   unsigned destx, unsigned desty, unsigned destz,
  39                   struct pipe_resource *src, struct pipe_subresource subsrc,
  40                   unsigned srcx, unsigned srcy, unsigned srcz,
  41                   unsigned width, unsigned height)
  42 {
  43         struct nvfx_context *nvfx = nvfx_context(pipe);
  44         struct nv04_surface_2d *eng2d = nvfx->screen->eng2d;
  45         struct pipe_surface *ps_dst, *ps_src;
  46
  47         ps_src = nvfx_miptree_surface_new(pipe->screen, src, subsrc.face,
  48                                           subsrc.level, srcz, 0 /* bind flags */);
  49         ps_dst = nvfx_miptree_surface_new(pipe->screen, dest, subdst.face,
  50                                           subdst.level, destz, 0 /* bindflags */);
  51
  52         eng2d->copy(eng2d, ps_dst, destx, desty, ps_src, srcx, srcy, width, height);
  53
  54         nvfx_miptree_surface_del(ps_src);
  55         nvfx_miptree_surface_del(ps_dst);
  56 }
  57
  58 static void
  59 nvfx_clear_render_target(struct pipe_context *pipe,
  60                          struct pipe_surface *dst,
  61                          const float *rgba,
  62                          unsigned dstx, unsigned dsty,
  63                          unsigned width, unsigned height)
  64 {
  65         struct nvfx_context *nvfx = nvfx_context(pipe);
  66         struct nv04_surface_2d *eng2d = nvfx->screen->eng2d;
  67         union util_color uc;
  68         util_pack_color(rgba, dst->format, &uc);
  69
  70         eng2d->fill(eng2d, dst, dstx, dsty, width, height, uc.ui);
  71 }
  72
  73 static void
  74 nvfx_clear_depth_stencil(struct pipe_context *pipe,
  75                          struct pipe_surface *dst,
  76                          unsigned clear_flags,
  77                          double depth,
  78                          unsigned stencil,
  79                          unsigned dstx, unsigned dsty,
  80                          unsigned width, unsigned height)
  81 {
  82         struct nvfx_context *nvfx = nvfx_context(pipe);
  83         struct nv04_surface_2d *eng2d = nvfx->screen->eng2d;
  84
  85         eng2d->fill(eng2d, dst, dstx, dsty, width, height,
  86                     util_pack_z_stencil(dst->format, depth, stencil));
  87 }
  88
  89
  90 void
  91 nvfx_init_surface_functions(struct nvfx_context *nvfx)
  92 {
  93         nvfx->pipe.resource_copy_region = nvfx_surface_copy;
  94         nvfx->pipe.clear_render_target = nvfx_clear_render_target;
  95         nvfx->pipe.clear_depth_stencil = nvfx_clear_depth_stencil;
  96 }