2 * Copyright (C) 2009 Maciej Cencora <m.cencora@gmail.com>
6 * Permission is hereby granted, free of charge, to any person obtaining
7 * a copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sublicense, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial
16 * portions of the Software.
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
21 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
22 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
23 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
24 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
28 #include "radeon_common.h"
29 #include "radeon_texture.h"
31 #include "main/enums.h"
32 #include "main/image.h"
33 #include "main/teximage.h"
34 #include "main/texstate.h"
35 #include "drivers/common/meta.h"
37 #include "radeon_mipmap_tree.h"
40 do_copy_texsubimage(struct gl_context
*ctx
,
41 GLenum target
, GLint level
,
42 struct radeon_tex_obj
*tobj
,
43 radeon_texture_image
*timg
,
44 GLint dstx
, GLint dsty
,
46 GLsizei width
, GLsizei height
)
48 radeonContextPtr radeon
= RADEON_CONTEXT(ctx
);
49 struct radeon_renderbuffer
*rrb
;
52 gl_format src_mesaformat
;
53 gl_format dst_mesaformat
;
58 if (!radeon
->vtbl
.blit
) {
62 if (_mesa_get_format_bits(timg
->base
.Base
.TexFormat
, GL_DEPTH_BITS
) > 0) {
63 if (ctx
->ReadBuffer
->_DepthBuffer
&& ctx
->ReadBuffer
->_DepthBuffer
->Wrapped
) {
64 rrb
= radeon_renderbuffer(ctx
->ReadBuffer
->_DepthBuffer
->Wrapped
);
66 rrb
= radeon_renderbuffer(ctx
->ReadBuffer
->_DepthBuffer
);
68 flip_y
= ctx
->ReadBuffer
->Attachment
[BUFFER_DEPTH
].Type
== GL_NONE
;
70 rrb
= radeon_renderbuffer(ctx
->ReadBuffer
->_ColorReadBuffer
);
71 flip_y
= ctx
->ReadBuffer
->Attachment
[BUFFER_COLOR0
].Type
== GL_NONE
;
74 // This is software renderbuffer, fallback to swrast
80 radeon_validate_texture_miptree(ctx
, &tobj
->base
);
86 assert(timg
->base
.Base
.Width
>= dstx
+ width
);
87 assert(timg
->base
.Base
.Height
>= dsty
+ height
);
89 intptr_t src_offset
= rrb
->draw_offset
;
90 intptr_t dst_offset
= radeon_miptree_image_offset(timg
->mt
, _mesa_tex_target_to_face(target
), level
);
93 fprintf(stderr
, "%s: copying to face %d, level %d\n",
94 __FUNCTION__
, _mesa_tex_target_to_face(target
), level
);
95 fprintf(stderr
, "to: x %d, y %d, offset %d\n", dstx
, dsty
, (uint32_t) dst_offset
);
96 fprintf(stderr
, "from (%dx%d) width %d, height %d, offset %d, pitch %d\n",
97 x
, y
, rrb
->base
.Width
, rrb
->base
.Height
, (uint32_t) src_offset
, rrb
->pitch
/rrb
->cpp
);
98 fprintf(stderr
, "src size %d, dst size %d\n", rrb
->bo
->size
, timg
->mt
->bo
->size
);
102 src_mesaformat
= rrb
->base
.Format
;
103 dst_mesaformat
= timg
->base
.Base
.TexFormat
;
104 src_width
= rrb
->base
.Width
;
105 dst_width
= timg
->base
.Base
.Width
;
106 src_bpp
= _mesa_get_format_bytes(src_mesaformat
);
107 dst_bpp
= _mesa_get_format_bytes(dst_mesaformat
);
108 if (!radeon
->vtbl
.check_blit(dst_mesaformat
)) {
109 /* depth formats tend to be special */
110 if (_mesa_get_format_bits(dst_mesaformat
, GL_DEPTH_BITS
) > 0)
113 if (src_bpp
!= dst_bpp
)
118 src_mesaformat
= MESA_FORMAT_RGB565
;
119 dst_mesaformat
= MESA_FORMAT_RGB565
;
122 src_mesaformat
= MESA_FORMAT_ARGB8888
;
123 dst_mesaformat
= MESA_FORMAT_ARGB8888
;
126 src_mesaformat
= MESA_FORMAT_A8
;
127 dst_mesaformat
= MESA_FORMAT_A8
;
134 /* blit from src buffer to texture */
135 return radeon
->vtbl
.blit(ctx
, rrb
->bo
, src_offset
, src_mesaformat
, rrb
->pitch
/rrb
->cpp
,
136 src_width
, rrb
->base
.Height
, x
, y
,
137 timg
->mt
->bo
, dst_offset
, dst_mesaformat
,
138 timg
->mt
->levels
[level
].rowstride
/ dst_bpp
,
139 dst_width
, timg
->base
.Base
.Height
,
140 dstx
, dsty
, width
, height
, flip_y
);
144 radeonCopyTexSubImage2D(struct gl_context
*ctx
, GLenum target
, GLint level
,
145 GLint xoffset
, GLint yoffset
,
147 GLsizei width
, GLsizei height
)
149 struct gl_texture_unit
*texUnit
= _mesa_get_current_tex_unit(ctx
);
150 struct gl_texture_object
*texObj
= _mesa_select_tex_object(ctx
, texUnit
, target
);
151 struct gl_texture_image
*texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
153 radeonContextPtr radeon
= RADEON_CONTEXT(ctx
);
154 radeon_prepare_render(radeon
);
156 if (!do_copy_texsubimage(ctx
, target
, level
,
157 radeon_tex_obj(texObj
), (radeon_texture_image
*)texImage
,
158 xoffset
, yoffset
, x
, y
, width
, height
)) {
160 radeon_print(RADEON_FALLBACKS
, RADEON_NORMAL
,
161 "Falling back to sw for glCopyTexSubImage2D\n");
163 _mesa_meta_CopyTexSubImage2D(ctx
, target
, level
,
164 xoffset
, yoffset
, x
, y
, width
, height
);