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
45 static void
intelCopyTexSubImage(struct gl_context * ctx,GLuint dims,struct gl_texture_image * texImage,GLint xoffset,GLint yoffset,GLint slice,struct gl_renderbuffer * rb,GLint x,GLint y,GLsizei width,GLsizei height)46 intelCopyTexSubImage(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
68 void
intelInitTextureCopyImageFuncs(struct dd_function_table * functions)69 intelInitTextureCopyImageFuncs(struct dd_function_table *functions)
70 {
71 functions->CopyTexSubImage = intelCopyTexSubImage;
72 }
73