1/*
2 * Copyright 2003 VMware, Inc.
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial portions
15 * of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
21 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
22 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
23 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 */
25
26#include "main/mtypes.h"
27#include "main/enums.h"
28#include "main/image.h"
29#include "main/teximage.h"
30#include "main/texobj.h"
31#include "main/texstate.h"
32#include "main/fbobject.h"
33
34#include "drivers/common/meta.h"
35
36#include "intel_screen.h"
37#include "intel_mipmap_tree.h"
38#include "intel_fbo.h"
39#include "intel_tex.h"
40#include "brw_context.h"
41
42#define FILE_DEBUG_FLAG DEBUG_TEXTURE
43
44
45static void
46intelCopyTexSubImage(struct gl_context *ctx, GLuint dims,
47                     struct gl_texture_image *texImage,
48                     GLint xoffset, GLint yoffset, GLint slice,
49                     struct gl_renderbuffer *rb,
50                     GLint x, GLint y,
51                     GLsizei width, GLsizei height)
52{
53   struct brw_context *brw = brw_context(ctx);
54
55   /* Try BLORP first.  It can handle almost everything. */
56   if (brw_blorp_copytexsubimage(brw, rb, texImage, slice, x, y,
57                                 xoffset, yoffset, width, height))
58      return;
59
60   /* Finally, fall back to meta.  This will likely be slow. */
61   perf_debug("%s - fallback to swrast\n", __func__);
62   _mesa_meta_CopyTexSubImage(ctx, dims, texImage,
63                              xoffset, yoffset, slice,
64                              rb, x, y, width, height);
65}
66
67
68void
69intelInitTextureCopyImageFuncs(struct dd_function_table *functions)
70{
71   functions->CopyTexSubImage = intelCopyTexSubImage;
72}
73